A valve stem clamping ring assembly device for valve body processing

Abstract

The present invention relates to the field of valve body assembly technology, and discloses a valve stem clamp assembly device for valve body processing. In the present invention, each time each supporting seat synchronously moves an assembly distance, each supporting seat can stably move to the bottom of the next assembly mechanism, so that the assembly groove of each supporting seat is aligned with the assembly position of the assembly mechanism, and then the fixing mechanism temporarily fixes each supporting seat located inside the assembly track, and each assembly mechanism respectively assembles the corresponding parts inside the corresponding supporting seat. After all the assembly mechanisms are assembled at the same time, the fixing mechanism unlocks each supporting seat, and each supporting seat continues to move an assembly distance, and the valve body is assembled in sequence. Therefore, in each sequential assembly step of the valve body, by accurately positioning, the accuracy and effectiveness of the assembly are effectively guaranteed, and the effect of the valve body assembly is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of valve body assembly, in particular to a valve stem clamping ring assembly device for valve body machining. Background Art

[0002] Valves are pipeline accessories used to open and close pipelines, control flow direction, and regulate and control the parameters of the conveyed medium (temperature, pressure, and flow). Based on their function, they can be divided into shut-off valves, check valves, and regulating valves. Valves are control components in fluid conveying systems, performing functions such as shutoff, regulation, diversion, backflow prevention, pressure stabilization, diversion, and overflow pressure relief. Valves used in fluid control systems come in a wide variety of types and specifications, from the simplest shut-off valves to the most complex valves used in automatic control systems. Valves can be used to control the flow of various types of fluids, including air, water, steam, various corrosive media, mud, oil, liquid metal, and radioactive media.

[0003] Among the various components of a valve, the valve body is a primary component, while the valve core is the valve part that uses the movement of the valve body to achieve the basic functions of directional control, pressure control, or flow control. Valve cores can be divided into rotational types (such as 45°, 90°, 180°, and 360°) and translational types (such as radial and directional). Based on their shape, they can generally be divided into spherical (ball valves), conical (plug valves), disc-shaped (butterfly valves and gate valves), dome-shaped (globe valves and check valves), and cylindrical (diverter valves).

[0004] The valve core is mainly composed of the following parts: valve core body: This is the main part of the valve core, usually cylindrical or conical, with a certain number of channels on its surface for controlling the flow of liquid. The design and shape of the valve core body have a significant impact on the performance of the valve, such as flow rate, pressure loss and sealing performance; valve core cone: This is the part used to control the flow of liquid. Its shape and size will affect the flow rate and flow of the liquid. The accuracy and surface quality of the valve core cone have a direct impact on the sealing performance and life of the valve; spring: The spring is used to apply a certain pressure to the valve core to ensure the stable operation of the valve core. The stiffness and preload of the spring can be adjusted according to the specific application scenario and requirements. In addition, depending on the type of valve and specific design requirements, the valve core may also include other auxiliary components, such as sealing rings, guide devices, limit devices, etc. These components can further improve the sealing performance, stability and service life of the valve.

[0005] In the assembly process of the valve body, the most important step is the assembly step of the valve core (valve stem, retaining ring, etc.). In the existing technology, conventional technical means are mostly carried out manually. Although manual positioning is performed manually, the retaining ring installation process is complicated and needs to be compressed before it can be installed in the valve body. This not only causes low efficiency in manual installation of the retaining ring, but may also lead to unstable quality. In the automated assembly of valve stems, retaining rings, etc., due to the large number of parts in the valve body and the need to be accurately assembled in the center position of the valve body, positioning accuracy becomes the biggest factor affecting the quality of the valve body. Inaccurate positioning not only affects the quality of the valve body, but also easily leads to a decrease in assembly efficiency and a decrease in output.

[0006] Currently, no effective solutions have been proposed for the problems in related technologies. Summary of the Invention

[0007] In view of the deficiencies in the prior art, the present invention provides a valve stem clamping ring assembly device for valve body machining.

[0008] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0009] A valve stem clamping ring assembly device for valve body processing, comprising a plurality of supporting seats, each of which continuously circulates along a given circulation path, wherein the circulation path sequentially comprises an assembly track, a reversing track, a conveying track and a reset track, wherein the assembly track, the reversing track, the conveying track and the reset track are sequentially connected end to end, a plurality of assembly mechanisms are provided on the outer side of the assembly track, and a fixing mechanism is provided on the inner side of the assembly track; an assembly groove is provided on the upper surface of each supporting seat, and each assembly mechanism has an assembly position, and each assembly mechanism can assemble the corresponding parts on the assembly position; on the assembly track, each supporting seat can simultaneously move an assembly distance each time, and each time each supporting seat is completed in movement, each assembly groove is respectively connected to the corresponding The assembly positions of the corresponding assembly mechanisms are aligned, and the fixing mechanism temporarily fixes each of the support seats; each of the assembly mechanisms assembles the corresponding parts inside the corresponding support seats respectively, and after all of the assembly mechanisms are assembled at the same time, the fixing mechanism unlocks each of the support seats, and each of the support seats continues to move an assembly distance to assemble the valve bodies in turn; the support seat that leaves the last assembly mechanism enters the reversing track after continuing to move an assembly distance, and enters the conveying track along the reversing track; at the tail end of the conveying track, the assembled valve body inside the support seat is detached from the inside of the support seat and collected, and the empty support seat enters the reset track from the tail end of the conveying track, and the empty support seat re-enters the assembly track along the reset track.

[0010] Preferably, along the forward direction of the assembly track, the spacing between the assembly positions of two adjacent assembly mechanisms is equal, the assembly distance is the same as the spacing between the assembly positions of two adjacent assembly mechanisms, and the spacing between two adjacent assembly grooves is the same as the spacing between the assembly positions of two adjacent assembly mechanisms.

[0011] Preferably, the assembly track includes a positioning track and a driving belt, and a positioning groove and a driven rack are provided on the lower surface of the support seat. The positioning groove is aligned with the positioning track, and the driven rack is aligned with the driving belt. When the driving belt rotates, the engagement between the driving belt and the driven rack can drive the entire support seat to slide along the assembly track under the restriction of the positioning groove and the positioning track.

[0012] Preferably, the reversing track includes a reciprocating drive guide rail and a reciprocating sliding plate. Under the drive of the reciprocating drive guide rail, the reciprocating sliding plate can respectively stay at the two ends of the reciprocating drive guide rail and reciprocate between the two ends of the reciprocating drive guide rail under the drive of the reciprocating drive guide rail.

[0013] Preferably, a driving block is provided at the top of the reciprocating sliding plate, and when the supporting seat enters the reversing track from the assembly track and enters the conveying track from the reversing track, the driving block can slide inside the positioning groove; when the reciprocating sliding plate reciprocates between the two ends of the reciprocating drive guide rail, the driving block fits into the inner wall of the positioning groove, and the movement of the driving block can drive the supporting seat to reciprocate synchronously with the reciprocating sliding plate.

[0014] Preferably, both ends of the driving belt extend into the reversing track and the reset track respectively; when the supporting seat enters the reversing track from the assembly track, the movement of the driving block can drive the supporting seat to detach from the driving belt; when the supporting seat enters the assembly track from the reset track, the supporting seat can be moved back to the driving belt, and the driven rack is re-engaged with the driving belt.

[0015] Preferably, the fixing mechanism includes a rotating shaft and several bearing seats, the rotating shaft passes through each of the bearing seats in sequence, several fixing rods are fixedly arranged on the outside of the rotating shaft, and a fixing groove is provided in the center of one side of each supporting seat close to the fixing mechanism; after each movement of each supporting seat is completed, each fixing rod is aligned with the fixing groove of each supporting seat after movement, and the rotating shaft rotates under the limit of each bearing seat, which can drive each fixing rod to rotate into each fixing groove to temporarily fix each supporting seat.

[0016] Preferably, a belt drive gear and several driven limit gears are provided on the inner side of the driving belt, and the belt drive gear is meshed with the gears on the inner side of the driving belt. Under the drive of the belt drive gear, the driving belt can rotate under the tension limit of the belt drive gear and the several driven limit gears; a one-way transmission mechanism is provided through the center of the belt drive gear, and the one-way transmission mechanism includes a transmission pawl and a transmission ratchet, and a transmission shaft is provided through the center of the transmission ratchet; when the transmission shaft rotates forward, the belt drive gear can be driven to rotate through the transmission of the transmission pawl and the transmission ratchet, thereby driving the driving belt to rotate; when the transmission shaft is stationary and rotates in the reverse direction, the driving belt stops rotating.

[0017] Preferably, a reverse transmission mechanism is provided on the outer side of one end of the transmission shaft close to the rotating shaft, and the direction of one-way transmission of the reverse transmission mechanism is opposite to the one-way transmission direction of the one-way transmission mechanism; a rotating link is also connected to one side of the reverse transmission mechanism, and a driven link is fixedly provided on the outer side of the rotating shaft, and the rotating link is rotatably connected to the driven link at one end away from the reverse transmission mechanism; when the transmission shaft rotates in the reverse direction, the rotating link can be driven to rotate up and down by the transmission of the reverse transmission mechanism, and the fixed rod can be driven to rotate to temporarily fix and unlock each of the supporting seats; when the transmission shaft is stationary and rotates forward, the fixed rod stops at the unlocking position of the supporting seat.

[0018] Preferably, each of the assembly mechanisms includes a loading unit and an assembly unit, and the loading unit can provide parts to the corresponding assembly unit; in the conveying direction of each of the supporting seats along the assembly track, the assembly unit of each of the assembly mechanisms can assemble parts into the assembly groove located at the assembly position in sequence, and complete the assembly of the valve body from the outside to the inside.

[0019] Compared with the prior art, the present invention provides a valve stem clamping ring assembly device for valve body processing, which has the following beneficial effects:

[0020] 1. This type of valve stem clamp assembly equipment for valve body processing has the following advantages: since the spacing between the assembly positions of two adjacent assembly mechanisms is equal along the forward direction of the assembly track, the assembly distance is the same as the spacing between the assembly positions of two adjacent assembly mechanisms, and the spacing between two adjacent assembly grooves is the same as the spacing between the assembly positions of two adjacent assembly mechanisms, so that each time each supporting seat moves an assembly distance synchronously, each supporting seat can stably move to the bottom of the next assembly mechanism, so that the assembly groove of each supporting seat is aligned with the assembly position of the assembly mechanism, and then the fixing mechanism temporarily fixes each supporting seat located inside the assembly track, and each assembly mechanism assembles the corresponding parts inside the corresponding supporting seat respectively. After all the assembly mechanisms are assembled at the same time, the fixing mechanism unlocks each supporting seat, and each supporting seat continues to move an assembly distance, and the valve body is assembled in sequence, so that the accuracy and effectiveness of the assembly are effectively guaranteed by accurate positioning in each sequential assembly step of the valve body, thereby improving the effect of valve body assembly.

[0021] 2. This type of valve stem clamp assembly equipment for valve body processing, in the forward direction of the assembly track, the supporting seat is assembled under each assembly mechanism in turn, and then leaves the supporting seat of the last assembly mechanism, and after continuing to move an assembly distance, enters the reversing track, and enters the conveying track along the reversing track; at the tail end of the conveying track, the assembled valve body inside the supporting seat is detached from the inside of the supporting seat and collected, and the empty supporting seat enters the reset track from the tail end of the conveying track, and the empty supporting seat re-enters the assembly track along the reset track, and so on and so forth. The assembly operation can be continuously performed on each continuously running supporting seat, and the various components of the valve body can be regularly and quickly assembled through continuous reciprocating cycles, and the valve stem clamps and the like that need to be strictly positioned in the various components of the valve body can be quickly assembled under the condition of stable positioning, thereby effectively ensuring the assembly efficiency of the valve body.

[0022] 3. This type of valve stem clamp assembly equipment for valve body processing, when the driving belt rotates, can drive the entire support seat to move an assembly distance each time within the limitation of the positioning groove and the positioning rail through the engagement between the driving belt and the driven rack, and can slide along the assembly rail, and can assemble the valve body in sequence. After the assembly is completed, the reciprocating sliding plate of the reversing rail is pre-moved to one end of the assembly rail, and then the driving belt extending into the reversing rail is used to move the support seat into the reversing rail, so that the driving block and the positioning groove slide, and the driving block enters the positioning groove, and then, under the drive of the reciprocating drive guide rail, the driving block and the positioning groove are engaged. The inner walls of the grooves fit together, and the movement of the driving block can drive the supporting seat to reciprocate synchronously with the reciprocating sliding plate, thereby moving the supporting seat to one end close to the conveying track. At this time, similarly, the supporting seat enters the conveying track from the reversing track; at the tail end of the conveying track, the assembled valve body inside the supporting seat is detached from the inside of the supporting seat and collected, and the empty supporting seat enters the reset track from the tail end of the conveying track, and when the empty supporting seat enters the assembly track from the reset track, the empty supporting seat can be moved back to the driving belt, and the driven rack is re-engaged with the driving belt. The empty supporting seat re-enters the assembly track to continue the continuous cycle of assembly, effectively completing the assembly operation of the valve body.

[0023] 4. The valve stem clamp assembly equipment for valve body processing can drive the belt drive gear to rotate through the transmission of the transmission pawl and the transmission ratchet when the transmission shaft rotates in the forward direction, thereby driving the drive belt to rotate, so that the drive belt moves an assembly distance each time the transmission shaft rotates forward; when the transmission shaft is stationary and rotates in the reverse direction, the drive belt stops rotating; when the transmission shaft rotates in the reverse direction, it can drive the rotating connecting rod away from the reverse transmission mechanism. The end of the driving mechanism rotates up and down, driving the fixed rod to rotate and temporarily fix and unlock each supporting seat; when the transmission shaft is stationary and rotates forward, the fixed rod stops at the unlocking position of the supporting seat, so that the movement of the driving belt and the rotation of the fixed rod can be controlled respectively by driving the forward and reverse movement of the transmission shaft, so that the speed and rotation time of the transmission shaft can be controlled by the servo motor, and the moving distance of the supporting seat and the temporary fixation and unlocking of each supporting seat can be stably controlled by a control unit, thereby effectively ensuring a stable assembly process on each supporting seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is one of the three-dimensional structural schematic diagrams of a valve stem clamping ring assembly device for valve body processing according to the present invention;

[0025] Figure 2 This is a second schematic diagram of the three-dimensional structure of a valve stem clamping ring assembly device for valve body processing according to the present invention;

[0026] Figure 3 This is one of the three-dimensional structural schematic diagrams of the supporting seat of the present invention;

[0027] Figure 4 This is the second schematic diagram of the three-dimensional structure of the supporting seat of the present invention;

[0028] Figure 5 One of the schematic diagrams of a partial circulation path of the present invention;

[0029] Figure 6 This is a second schematic diagram of a partial circulation path of the present invention;

[0030] Figure 7 This is a schematic diagram of the transmission structure of the belt drive gear and the rotating shaft of the present invention;

[0031] Figure 8 This is a second schematic diagram of the transmission structure of the belt drive gear and the rotating shaft of the present invention;

[0032] Figure 9 This is a schematic diagram of the valve body structure assembled in the present invention.

[0033] In the figure: 1. Support seat; 11. Assembly groove; 12. Positioning groove; 13. Driven rack; 14. Fixing groove; 2. Assembly rail; 21. Positioning rail; 22. Drive belt; 23. Belt drive gear; 24. Driven limit gear; 25. One-way transmission mechanism; 251. Transmission pawl; 252. Transmission ratchet; 26. Transmission shaft; 3. Reversing rail; 31. Reciprocating drive guide rail; 32. Reciprocating slide plate; 321. Drive block; 4. Conveying rail; 5. Reset rail; 6. Assembly mechanism; 61. Loading unit; 62. Assembly unit; 7. Fixing mechanism; 71. Rotating shaft; 72. Bearing seat; 73. Fixing rod; 74. Reverse transmission mechanism; 75. Rotating connecting rod; 76. Driven connecting rod;

[0034] a. Valve stem; b. Inner cover nut; c. O-ring I; d. Copper gasket I; e. O-ring II; f. Snap ring I; g. Positioning sleeve; h. Spring; i. Nut; j. O-ring III; k. Copper gasket II; l. Rubber gasket; m. Snap ring II. DETAILED DESCRIPTION

[0035] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] As introduced in the background technology, in order to solve the deficiencies in the prior art and the above technical problems, the present application proposes a valve stem clamping ring assembly device for valve body processing.

[0037] See also Figures 1-9 , a valve stem clamp assembly device for valve body processing, comprising several supporting seats 1, each supporting seat 1 continuously circulates along a given circulation path, the circulation path sequentially comprising an assembly track 2, a reversing track 3, a conveying track 4 and a reset track 5, the assembly track 2, the reversing track 3, the conveying track 4 and the reset track 5 are sequentially connected end to end, a plurality of assembly mechanisms 6 are provided on the outside of the assembly track 2, and a fixing mechanism 7 is provided on the inside of the assembly track 2; an assembly groove 11 is provided on the upper surface of each supporting seat 1, each assembly mechanism 6 has an assembly position, and each assembly mechanism 6 can assemble the corresponding parts on the assembly position; on the assembly track 2, each supporting seat 1 can move an assembly distance at a time, and after each support seat 1 moves, each The assembly groove 11 is aligned with the assembly position of the corresponding assembly mechanism 6, and the fixing mechanism 7 temporarily fixes each support seat 1; each assembly mechanism 6 assembles the corresponding parts inside the corresponding support seat 1, and after all the assembly mechanisms 6 are assembled at the same time, the fixing mechanism 7 unlocks each support seat 1, and each support seat 1 continues to move an assembly distance to assemble the valve body in turn; the support seat 1 leaving the last assembly mechanism 6 enters the reversing track 3 after continuing to move an assembly distance, and enters the conveying track 4 along the reversing track 3; at the tail end of the conveying track 4, the assembled valve body inside the support seat 1 is detached from the inside of the support seat 1 and collected, and the empty support seat 1 enters the reset track 5 from the tail end of the conveying track 4, and the empty support seat 1 re-enters the assembly track 2 along the reset track 5.

[0038] Along the forward direction of the assembly track 2, the spacing between the assembly positions of two adjacent assembly mechanisms 6 is equal, the assembly distance is the same as the spacing between the assembly positions of two adjacent assembly mechanisms 6, and the spacing between two adjacent assembly grooves 11 is the same as the spacing between the assembly positions of two adjacent assembly mechanisms 6.

[0039] When in use, since the spacing between the assembly positions of two adjacent assembly mechanisms 6 along the forward direction of the assembly track 2 is equal, the assembly distance is the same as the spacing between the assembly positions of two adjacent assembly mechanisms 6, and the spacing between two adjacent assembly grooves 11 is the same as the spacing between the assembly positions of two adjacent assembly mechanisms 6, so that each time each support seat 1 synchronously moves an assembly distance, each support seat 1 can stably move to the bottom of the next assembly mechanism 6, so that the assembly groove 11 of each support seat 1 is aligned with the assembly position of the assembly mechanism 6, and then the fixing mechanism 7 temporarily fixes each support seat 1 located inside the assembly track 2, and each assembly mechanism 6 respectively assembles the corresponding parts inside the corresponding support seat 1, and after all the assembly mechanisms 6 are assembled at the same time, the fixing mechanism 7 unlocks each support seat 1, and each support seat 1 continues to move an assembly distance, and the valve body is assembled in sequence, thereby accurately positioning in each assembly step of the valve body, effectively ensuring the accuracy and effectiveness of the assembly, and improving the effect of the valve body assembly;

[0040] In the forward direction of the assembly track 2, the supporting seat 1 is assembled under each assembly mechanism 6 in turn, and after the supporting seat 1 leaves the last assembly mechanism 6, it continues to move an assembly distance and enters the reversing track 3, and enters the conveying track 4 along the reversing track 3 (in actual use, the structure and operation principle of the conveying track 4 are similar to those of the assembly track 2. The difference is that the driving source of the conveying track 4 is an independently set motor drive); at the tail end of the conveying track 4, the assembled valve body inside the supporting seat 1 is separated from the inside of the supporting seat 1 and collected (the structure of collecting the assembled valve body at the tail end of the conveying track 4 is a common technical solution in the prior art, which can be The assembled valve body is collected by grabbing or flipping the material by a robotic arm), the empty supporting seat 1 enters the reset track 5 from the tail end of the conveying track 4 (when in use, the reset track 5 and the reversing track 3 have the same structure and operation principle), and the empty supporting seat 1 re-enters the assembly track 2 along the reset track 5, and repeats this cycle. The assembly operation can be continuously performed on each continuously running supporting seat 1. Through the continuous reciprocating cycle, the various components of the valve body can be regularly and quickly assembled, and the valve stem retaining ring that needs to be strictly positioned in the various components of the valve body can be stably positioned under the condition of rapid assembly, thereby effectively ensuring the assembly efficiency of the valve body.

[0041] Further, see Figures 1-6The assembly track 2 includes a positioning track 21 and a driving belt 22. A positioning groove 12 and a driven rack 13 are provided on the lower surface of the supporting seat 1. The positioning groove 12 is aligned with the positioning track 21, and the driven rack 13 is aligned with the driving belt 22. When the driving belt 22 rotates, the engagement between the driving belt 22 and the driven rack 13 can drive the entire supporting seat 1 to slide along the assembly track 2 under the restriction of the positioning groove 12 and the positioning track 21.

[0042] The reversing track 3 includes a reciprocating drive guide rail 31 and a reciprocating sliding plate 32. Under the drive of the reciprocating drive guide rail 31, the reciprocating sliding plate 32 can stay at both ends of the reciprocating drive guide rail 31 respectively, and under the drive of the reciprocating drive guide rail 31, reciprocate between the two ends of the reciprocating drive guide rail 31.

[0043] A driving block 321 is provided at the top of the reciprocating sliding plate 32. When the supporting seat 1 enters the reversing track 3 from the assembly track 2 and enters the conveying track 4 from the reversing track 3, the driving block 321 can slide inside the positioning groove 12; when the reciprocating sliding plate 32 reciprocates between the two ends of the reciprocating drive guide rail 31, the driving block 321 fits against the inner wall of the positioning groove 12, and the movement of the driving block 321 can drive the supporting seat 1 to reciprocate synchronously with the reciprocating sliding plate 32.

[0044] The two ends of the driving belt 22 extend into the reversing track 3 and the reset track 5 respectively; when the supporting seat 1 enters the reversing track 3 from the assembly track 2, the movement of the driving block 321 can drive the supporting seat 1 to disengage from the driving belt 22; when the supporting seat 1 enters the assembly track 2 from the reset track 5, the supporting seat 1 can move back to the driving belt 22, and the driven rack 13 re-engages with the driving belt 22.

[0045] Therefore, when in use, inside the assembly track 2, when the driving belt 22 rotates, the entire supporting seat 1 can be driven by the engagement between the driving belt 22 and the driven rack 13, within the limitation of the positioning groove 12 and the positioning track 21, to move an assembly distance each time, slide along the assembly track 2, and assemble the valve body in sequence. After the assembly is completed, the reciprocating sliding plate 32 of the reversing track 3 is pre-moved to one end of the assembly track 2, and then the driving belt 22 extending into the reversing track 3 is used to move the supporting seat 1 into the reversing track 3, so that the driving block 321 and the positioning groove 12 slide, the driving block 321 enters the positioning groove 12, and then, under the drive of the reciprocating driving guide rail 31, the driving block 321 and the positioning groove 1 are engaged. 2, the inner walls of the support seat 1 fit together, and the movement of the driving block 321 can drive the support seat 1 to reciprocate synchronously with the reciprocating sliding plate 32, thereby moving the support seat 1 to one end close to the conveying track 4. At this time, similarly, the support seat 1 enters the conveying track 4 from the reversing track 3; at the tail end of the conveying track 4, the assembled valve body inside the support seat 1 is separated from the inside of the support seat 1 and collected, and the empty support seat 1 enters the reset track 5 from the tail end of the conveying track 4. When the empty support seat 1 enters the assembly track 2 from the reset track 5, the empty support seat 1 can be moved back to the driving belt 22, and the driven rack 13 is re-engaged with the driving belt 22. The empty support seat 1 re-enters the assembly track 2 to continue the continuous cycle of assembly, effectively completing the assembly operation of the valve body.

[0046] Further, see Figures 1-8 The fixing mechanism 7 includes a rotating shaft 71 and several bearing seats 72. The rotating shaft 71 passes through each bearing seat 72 in sequence. Several fixing rods 73 are fixedly arranged on the outside of the rotating shaft 71. A fixing groove 14 is opened in the center of one side of each supporting seat 1 close to the fixing mechanism 7; after each support seat 1 is moved, each fixing rod 73 is aligned with the fixing groove 14 of each supported seat 1 after the movement, and the rotating shaft 71 rotates under the limit of each bearing seat 72, which can drive each fixing rod 73 to rotate into each fixing groove 14, thereby temporarily fixing each supported seat 1.

[0047] A belt drive gear 23 and several driven limit gears 24 are provided on the inner side of the driving belt 22. The belt drive gear 23 is meshed with the inner side of the driving belt 22. Under the drive of the belt drive gear 23, the driving belt 22 can rotate under the tension limit of the belt drive gear 23 and the several driven limit gears 24; a one-way transmission mechanism 25 is provided through the center of the belt drive gear 23, and the one-way transmission mechanism 25 includes a transmission pawl 251 and a transmission ratchet 252, and a transmission shaft 26 is provided through the center of the transmission ratchet 252; when the transmission shaft 26 rotates forward, the belt drive gear 23 can be driven to rotate through the transmission of the transmission pawl 251 and the transmission ratchet 252, thereby driving the driving belt 22 to rotate; when the transmission shaft 26 is stationary and rotates in the reverse direction, the driving belt 22 stops rotating.

[0048] A reverse transmission mechanism 74 is provided on the outer side of the end of the transmission shaft 26 close to the rotating shaft 71. The direction of the unidirectional transmission of the reverse transmission mechanism 74 is opposite to the unidirectional transmission direction of the unidirectional transmission mechanism 25; a rotating link 75 is also connected to one side of the reverse transmission mechanism 74, and a driven link 76 is fixedly provided on the outer side of the rotating shaft 71. The rotating link 75 is rotatably connected to the driven link 76 at the end away from the reverse transmission mechanism 74; when the transmission shaft 26 rotates in the reverse direction, the reverse transmission mechanism 74 can be used to drive the rotating link 75 to rotate up and down at the end away from the reverse transmission mechanism 74, thereby driving the fixed rod 73 to rotate and temporarily fix and unlock each supporting seat 1; when the transmission shaft 26 is stationary and rotates forward, the fixed rod 73 stops at the unlocking position of the supporting seat 1.

[0049] Therefore, when in use, when the transmission shaft 26 rotates in the forward direction, the transmission pawl 251 and the transmission ratchet 252 can be used to drive the belt drive gear 23 to rotate, thereby driving the drive belt 22 to rotate, so that each time the transmission shaft 26 rotates in the forward direction, the drive belt 2 moves an assembly distance (linear distance); when the transmission shaft 26 is stationary and rotates in the reverse direction, the drive belt 22 stops rotating; when the transmission shaft 26 rotates in the reverse direction, the reverse transmission mechanism 74 can be used to drive the rotating connecting rod 75 to rotate up and down at one end away from the reverse transmission mechanism 74, thereby driving the fixed rod 73 to rotate and adjust the speed of the transmission shaft 26 to the desired speed. Each supporting seat 1 is temporarily fixed and unlocked; when the transmission shaft 26 is stationary and rotates forward, the fixing rod 73 stops at the unlocking position of the supporting seat 1, so that the forward and reverse movement of the driving transmission shaft 26 can be driven to control the movement of the driving belt 22 and the rotation of the fixing rod 73 respectively, so that the speed and rotation time of the transmission shaft 26 can be controlled by the servo motor, and the moving distance (assembly distance) of the supporting seat 1 and the temporary fixing and unlocking of each supporting seat 1 can be stably controlled by a control unit, thereby effectively ensuring a stable assembly process on each supporting seat 1.

[0050] Further, see Figure 1-Figure 2、 Figure 5-Figure 6 Each assembly mechanism 6 includes a loading unit 61 and an assembly unit 62. The loading unit 61 can provide parts to the corresponding assembly unit 62. In the conveying direction of each support seat 1 along the assembly track 2, the assembly unit 62 of each assembly mechanism 6 can sequentially assemble parts into the assembly slot 11 located at the assembly position. Please refer to Figure 9 , assemble the valve body from outside to inside according to the various components of the valve body.

[0051] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A valve stem clamp assembly device for valve body processing, comprising a plurality of support seats (1), each of the support seats (1) continuously circulating along a given circulation path, wherein the circulation path sequentially comprises an assembly track (2), a reversing track (3), a conveying track (4) and a reset track (5), wherein the assembly track (2), the reversing track (3), the conveying track (4) and the reset track (5) are sequentially connected end to end, and characterized in that: A plurality of assembly mechanisms (6) are provided on the outer side of the assembly track (2), and a fixing mechanism (7) is provided on the inner side of the assembly track (2); Each support seat (1) has an assembly groove (11) on its upper surface, and each assembly mechanism (6) has an assembly position, and each assembly mechanism (6) can assemble corresponding parts at the assembly position; On the assembly track (2), each of the support seats (1) can simultaneously move an assembly distance each time, and after each of the support seats (1) is moved, each of the assembly slots (11) is aligned with the assembly position of the corresponding assembly mechanism (6), and the fixing mechanism (7) temporarily fixes each of the support seats (1); Each of the assembly mechanisms (6) respectively assembles the corresponding parts inside the corresponding supporting seat (1). After all of the assembly mechanisms (6) are assembled at the same time, the fixing mechanism (7) unlocks each of the supporting seats (1), and each of the supporting seats (1) continues to move an assembly distance, and the valve body is assembled in sequence. Leaving the supporting seat (1) of the last assembly mechanism (6), after continuing to move an assembly distance, entering the reversing track (3), and entering the conveying track (4) along the reversing track (3); At the tail end of the conveying track (4), the assembled valve body inside the supporting seat (1) is separated from the inside of the supporting seat (1) and collected, and the empty supporting seat (1) enters the reset track (5) from the tail end of the conveying track (4), and the empty supporting seat (1) re-enters the assembly track (2) along the reset track (5); The fixing mechanism (7) includes a rotating shaft (71) and a plurality of bearing seats (72), wherein the rotating shaft (71) sequentially passes through each of the bearing seats (72), a plurality of fixing rods (73) are fixedly provided on the outside of the rotating shaft (71), and a fixing groove (14) is provided at the center of one side of each supporting seat (1) close to the fixing mechanism (7); After each support seat (1) is moved, each fixing rod (73) is aligned with the fixing groove (14) of each support seat (1) after the movement, and the rotating shaft (71) rotates under the limit of each bearing seat (72), which can drive each fixing rod (73) to rotate into each fixing groove (14) to temporarily fix each support seat (1).

2. The valve stem clamping ring assembly equipment for valve body processing according to claim 1, characterized in that: Along the forward direction of the assembly track (2), the spacing between the assembly positions of two adjacent assembly mechanisms (6) is equal, the assembly distance is the same as the spacing between the assembly positions of two adjacent assembly mechanisms (6), and the spacing between two adjacent assembly grooves (11) is the same as the spacing between the assembly positions of two adjacent assembly mechanisms (6).

3. The valve stem clamping ring assembly equipment for valve body processing according to claim 1, characterized in that: The assembly track (2) includes a positioning track (21) and a driving belt (22); a positioning groove (12) and a driven rack (13) are provided on the lower surface of the support seat (1); the positioning groove (12) and the positioning track (21) are aligned, and the driven rack (13) and the driving belt (22) are aligned; When the driving belt (22) rotates, the engagement between the driving belt (22) and the driven rack (13) can drive the entire supporting seat (1) to slide along the assembly track (2) under the restriction of the positioning groove (12) and the positioning track (21).

4. The valve stem clamping ring assembly equipment for valve body processing according to claim 3, characterized in that: The reversing track (3) includes a reciprocating drive guide rail (31) and a reciprocating sliding plate (32). Under the drive of the reciprocating drive guide rail (31), the reciprocating sliding plate (32) can respectively stay at the two ends of the reciprocating drive guide rail (31) and, under the drive of the reciprocating drive guide rail (31), reciprocate between the two ends of the reciprocating drive guide rail (31).

5. The valve stem clamping ring assembly equipment for valve body processing according to claim 4, characterized in that: A driving block (321) is provided at the top end of the reciprocating sliding plate (32), and when the supporting seat (1) enters the reversing track (3) from the assembly track (2) and enters the conveying track (4) from the reversing track (3), the driving block (321) can slide inside the positioning groove (12); When the reciprocating sliding plate (32) reciprocates between the two ends of the reciprocating drive guide rail (31), the driving block (321) fits against the inner wall of the positioning groove (12), and the movement of the driving block (321) can drive the supporting seat (1) to reciprocate synchronously with the reciprocating sliding plate (32).

6. The valve stem clamping ring assembly equipment for valve body processing according to claim 5, characterized in that: The two ends of the driving belt (22) extend into the interior of the reversing track (3) and the reset track (5) respectively; When the supporting seat (1) enters the reversing track (3) from the assembly track (2), the movement of the driving block (321) can drive the supporting seat (1) to disengage from the driving belt (22); When the supporting seat (1) enters the assembly track (2) from the reset track (5), the supporting seat (1) can be moved back onto the driving belt (22), and the driven rack (13) is re-engaged with the driving belt (22).

7. The valve stem clamping ring assembly equipment for valve body processing according to claim 6, characterized in that: A belt drive gear (23) and a plurality of driven limit gears (24) are provided on the inner side of the driving belt (22); the belt drive gear (23) is engaged with the inner side of the driving belt (22); and under the drive of the belt drive gear (23), the driving belt (22) can rotate under the tension limit of the belt drive gear (23) and the plurality of driven limit gears (24); A one-way transmission mechanism (25) is provided through the center of the belt drive gear (23), the one-way transmission mechanism (25) comprises a transmission pawl (251) and a transmission ratchet (252), and a transmission shaft (26) is provided through the center of the transmission ratchet (252); When the transmission shaft (26) rotates in the forward direction, the transmission pawl (251) and the transmission ratchet (252) can drive the belt drive gear (23) to rotate, thereby driving the drive belt (22) to rotate; When the transmission shaft (26) is stationary and rotates in the reverse direction, the drive belt (22) stops rotating.

8. The valve stem clamping ring assembly equipment for valve body processing according to claim 7, characterized in that: A reverse transmission mechanism (74) is provided on the outer side of one end of the transmission shaft (26) close to the rotating shaft (71), and the one-way transmission direction of the reverse transmission mechanism (74) is opposite to the one-way transmission direction of the one-way transmission mechanism (25); A rotating connecting rod (75) is further connected to one side of the reverse transmission mechanism (74), a driven connecting rod (76) is fixedly provided on the outer side of the rotating shaft (71), and an end of the rotating connecting rod (75) away from the reverse transmission mechanism (74) is rotatably connected to the driven connecting rod (76); When the transmission shaft (26) rotates in the reverse direction, the reverse transmission mechanism (74) can be used to drive the rotating connecting rod (75) to rotate up and down at one end away from the reverse transmission mechanism (74), thereby driving the fixing rod (73) to rotate and temporarily fix and unlock each of the supporting seats (1); When the transmission shaft (26) is stationary and rotates in the forward direction, the fixing rod (73) stops at a position where the supporting seat (1) is unlocked.

9. The valve stem clamping ring assembly equipment for valve body processing according to claim 1, characterized in that: Each of the assembly mechanisms (6) comprises a loading unit (61) and an assembly unit (62), wherein the loading unit (61) is capable of providing parts to the corresponding assembly unit (62); In the conveying direction of each supporting seat (1) along the assembly track (2), the assembly unit (62) of each assembly mechanism (6) can sequentially assemble parts into the assembly groove (11) located at the assembly position, and assemble the valve body sequentially from the outside to the inside.

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