Automatic assembly equipment for solenoid valve of water purifier

Abstract

The present invention relates to the field of electromagnetic valve assembly technology, and in particular to an automatic assembly device for electromagnetic valves of water purifiers; comprising an equipment frame; the equipment frame comprises a main body, a bottom plate fixedly mounted on the upper end of the main body, and a rotating table with a rotating outer ring and a fixed inner ring fixedly mounted on the upper end of the bottom plate, a disc with a fixing mechanism fixedly mounted on the upper end of the outer ring of the rotating table, and a fixed disc located directly above the disc fixedly mounted on the upper end of the inner ring of the rotating table. The fixing mechanism of the present invention first pre-limits the base through a circular groove, and then aligns and fixes the base through a fixing part, limiting the deflection of the base to cope with the torsional reaction force of subsequent screws, improving the installation quality of the electromagnetic valve, and fixing the valve core, T-shaped sleeve and magnetic sleeve in turn through an extrusion part to ensure the stability of each part when the disc rotates, thereby further improving the installation accuracy of the electromagnetic valve.

Description

Technical Field

[0001] The invention relates to the technical field of solenoid valve assembly, and in particular to automatic assembly equipment for a solenoid valve of a water purifier. Background Art

[0002] The main purpose of the water purifier solenoid valve is to control the water flow. The on-off function is achieved by driving the valve core to move through the on-off power of the electromagnetic coil, thereby adjusting the water inlet, water shut-off and flushing process of the water purifier. The water purifier solenoid valve can ensure that the water purifier automatically switches the water path during water production, shutdown and flushing, prevents wastewater backflow, protects the filter element and RO membrane, improves water purification efficiency, and extends the life of the equipment; the water purifier solenoid valve is composed of a base, a valve core, a T-shaped sleeve, and a magnetic sleeve from bottom to top. The base is provided with raised parts around it, and the lower end of the raised part is a support foot structure (such as Fig.10 as shown).

[0003] Multiple assembly machines for assembling the parts of the solenoid valve in sequence are evenly distributed along the circumference of a turntable. The turntable is fixedly equipped with limit seats corresponding to the assembly machines one by one, and the limit seats are provided with limit slots. The water purifier solenoid valve is assembled by the cooperation of the assembly machines. After the assembly is completed, the screws are automatically installed by the screw machine to fix the assembled solenoid valve into a whole. However, the above assembly process relies on a single limit slot for physical positioning and lacks a correction mechanism. When the turntable rotates and produces inertial offset, the parts are prone to deflection and dislocation, thereby affecting the subsequent installation accuracy of the valve core, magnetic sleeve and other components, and the position deviation directly affects the alignment of the screw holes, resulting in an increase in the scrap rate of the screw driving process. Secondly, it only relies on the static limit of the initial limit slot, and no suppression mechanism for the torsional reaction force of the screw is set. When the screw machine applies a rotational torque, the solenoid valve base and the valve core, magnetic sleeve and other components are prone to rotate in the same direction due to insufficient friction on the contact surface, resulting in damage to the parts. Summary of the invention

[0004] In view of the above problems, an embodiment of the present invention provides an automatic assembly device for a solenoid valve of a water purifier to solve the above-mentioned technical problems.

[0005] In order to achieve the above-mentioned purpose, an embodiment of the present invention provides the following technical solution: an automatic assembly device for a solenoid valve of a water purifier, comprising an equipment frame; the equipment frame comprises a main body, a base plate fixedly installed on the upper end of the main body, and a rotating table with an outer ring rotating and an inner ring fixedly installed on the upper end of the base plate, a disc with a fixing mechanism fixedly installed on the upper end of the outer ring of the rotating table, and a fixed disc located directly above the disc fixedly installed on the upper end of the inner ring of the rotating table.

[0006] The upper end of the base plate in the equipment frame is provided with a plurality of loading stations evenly distributed along the circumference of the disc for clamping the various parts of the solenoid valve onto the fixing mechanism for assembly in sequence, as well as a screw installation station and a unloading station; the loading station is provided with a material taking machine installed at the upper end of the base plate, the screw installation station is provided with a screw driving machine installed at the upper end of the base plate for installing screws on the assembled solenoid valve, and the unloading station is provided with a unloading machine for removing the solenoid valve fixed into one by screws from the fixing mechanism, and the unloading machine is installed at the upper end of the base plate and located at the front side of the disc.

[0007] The fixing mechanism includes a cylindrical seat fixedly installed on the disc and corresponding to the material taking machine, screw driver and material unloading machine. The upper end of the cylindrical seat is provided with four rectangularly distributed circular grooves for inserting the legs on the solenoid valve base to pre-fix the solenoid valve base.

[0008] The upper end of the cylindrical seat is provided with a fixing part for clamping and fixing the solenoid valve base and limiting and aligning it, and an extrusion part for fixing the valve core, the T-shaped sleeve and the magnetic conductive sleeve in sequence.

[0009] The fixing part comprises an extrusion block and a positioning member symmetrically arranged on the upper end of the cylindrical seat and sliding along the radial direction thereof; when the extrusion block moves toward each other to clamp the base, the positioning member adaptively contacts the raised part of the base to limit the rotation and align it.

[0010] The extrusion part includes an inverted L-shaped extrusion frame symmetrically arranged on the upper end of the cylindrical seat and sliding along its radial direction; while the disc rotates to sequentially install the various parts of the solenoid valve, the inverted L-shaped extrusion frame reciprocates to sequentially fix the valve core, the T-shaped sleeve and the magnetic sleeve, and after the screws are installed, the extrusion block and the positioning piece are released.

[0011] As a preferred embodiment, the fixed part also includes an extrusion plate, and the upper end of the cylindrical seat is radially slidingly installed with an extrusion plate symmetrically about the axis of the cylindrical seat, and the opposite surfaces of the two extrusion plates on the same cylindrical seat are fixedly installed with extrusion blocks, the positioning piece is arranged on the extrusion plate, and the cylindrical seat is provided with a driving part for driving the corresponding two extrusion plates to move toward or away from each other.

[0012] As a preferred embodiment, the positioning member includes a pushing plate, and the upper end of the extrusion plate is rotatably installed with two pushing plates symmetrical about the center line of the extrusion plate through two torsion spring rods. A pressure roller that contacts the raised portion of the base is rotatably installed at one end of the pushing plate away from the torsion spring rod. The two torsion spring rods are meshed with spur gears for transmission, and the pushing plate and the extrusion plate are jointly provided with a limiter for limiting the rotation angle of the pushing plate.

[0013] As a preferred embodiment, the driving part includes a pushing frame, and two pushing frames with an inverted L-shaped structure symmetrical about the center line of the extrusion plates are fixedly installed on the opposite ends of the two extrusion plates on the same cylindrical seat. A mounting groove is provided at the lower end of the cylindrical seat, and a guide shaft is fixedly installed at one end of the vertical section of the pushing frame close to the corresponding cylindrical seat. The guide shafts on the two pushing frames on the same extrusion plate slide through the mounting groove and are jointly fixedly installed with a connecting plate. An actuator is provided on the cylindrical seat for driving the corresponding two connecting plates to move toward or away from each other.

[0014] As a preferred embodiment, the actuator includes a moving block, a moving block located below the connecting plate is arranged in the mounting groove, two push shafts symmetrical about the axis of the cylindrical seat are fixedly installed at one end of the moving block close to the center of the disk, and a ball is rollingly installed after the other end of the push shaft slides through the cylindrical seat, a return spring sleeved on the push shaft is installed between the end of the moving block close to the center of the disk and the inner wall of the mounting groove, an inclined groove is provided on the connecting plate, the inclined grooves on the two connecting plates form an eight-shaped structure, and the small opening end of the eight-shaped structure faces the center of the disk, a guide column corresponding to the inclined grooves is fixedly installed on the moving block, and a guide member for pushing the push shaft to slide is provided on the fixed plate.

[0015] As a preferred embodiment, the extrusion part also includes a second guide shaft, an inverted L-shaped extrusion frame is located between the two push frames on the corresponding side, a V-shaped groove is provided at the end of the horizontal section of the inverted L-shaped extrusion frame, and two second guide shafts are fixedly installed at one end of the vertical section of the inverted L-shaped extrusion frame close to the corresponding cylindrical seat. After the two second guide shafts on the same inverted L-shaped extrusion frame slide through the mounting groove, a connecting block located below the moving block is fixedly installed together, and an actuator second is provided on the cylindrical seat for driving the corresponding two connecting blocks to move toward or away from each other.

[0016] As a preferred embodiment, the second actuator includes a movable plate, a movable plate located below the connecting block is arranged in the mounting groove, two push shafts are fixedly installed at one end of the movable plate close to the center of the disk, and two balls are rollingly installed on the push shaft after the end of the push shaft away from the movable plate slides through the cylindrical seat, and two return springs sleeved on the push shaft are installed between the end of the movable plate close to the center of the disk and the mounting groove, two inclined grooves corresponding to the connecting blocks are opened on the movable plate, and the two inclined grooves on the movable plate form an eight-shaped structure, and the small opening end of the formed eight-shaped structure faces the center of the disk, and two guide pillars cooperating with the inclined grooves are fixedly installed at the lower end of the connecting block, and a pushing member for pushing the push shaft to slide is arranged on the fixed plate.

[0017] As a preferred embodiment, the pushing part includes a telescopic cylinder, and the upper end of the fixed plate is equipped with telescopic cylinders at positions corresponding to the material-reclaiming machines for clamping the valve core, T-tube and magnetic sleeve. The telescopic section of the telescopic cylinder is fixedly equipped with an arc plate 1 located below the guide ring and in contact with the ball 2 on the push shaft 2. The position on the fixed plate corresponding to the screw driver is fixedly equipped with an arc plate 2 below the guide ring through a support plate 2.

[0018] As a preferred embodiment, the guide member includes a guide ring, and a guide ring coaxial with the fixed disk and in a C-shaped structure is fixedly installed on the outer side of the fixed disk through a support plate. Inclined sections inclined inwardly are provided at both ends of the guide ring, and the push shaft is in contact with the outer wall of the guide ring through a ball.

[0019] As a preferred embodiment, the limiting member includes an arc groove, the upper end of the extrusion plate is provided with an arc groove corresponding to the torsion spring rod, and the arc groove is concentric with the corresponding torsion spring rod, and the lower end of the pushing plate is fixedly installed with a limiting column which cooperates with the corresponding arc groove to limit the deflection of the pushing plate.

[0020] The above one or more technical solutions in the embodiments of the present invention have at least one of the following technical effects: 1. The fixing mechanism of the present invention first pre-limits the base through the circular groove, and then aligns and fixes the base through the fixing part, thereby limiting the deflection of the base to cope with the torsional reaction force of the subsequent screws, thereby improving the installation quality of the solenoid valve, and fixing the valve core, T-shaped sleeve and magnetic sleeve in turn through the extrusion part to ensure the stability of each part when the disc rotates, thereby further improving the installation accuracy of the solenoid valve and ensuring the service life of the solenoid valve.

[0021] 2. The fixing part provided in the present invention presses and fixes the base by the push shaft 1 and the guide ring, thereby ensuring the stability of the base. The positioning part adaptively contacts the raised part of the base through the pressure roller. On the one hand, the base can be straightened, and on the other hand, it can prevent torsion to cope with the torsional reaction force of the subsequent screws, ensuring that the solenoid valve is stably assembled, thereby improving the assembly quality and qualified rate of the solenoid valve.

[0022] 3. When the disc rotates, the extrusion part of the present invention pushes the corresponding arc plate through three telescopic cylinders to push the two push shafts in sequence, so as to fix the valve core, T-shaped sleeve and magnetic sleeve in sequence, ensure that each part can remain stable, and thus ensure the quality of the solenoid valve assembly.

[0023] Additional aspects and advantages of the present invention will be given in part in the following description and in part will be obvious from the following description, or will be learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention after rotating 90 degrees counterclockwise.

[0026] Figure 2 It is a structural schematic diagram of the fixing mechanism of the present invention.

[0027] Figure 3 It is a schematic structural diagram of the cylindrical seat and some positioning parts of the present invention.

[0028] Figure 4 It is a schematic structural diagram of the fixing part of the present invention.

[0029] Figure 5 It is a structural schematic diagram of the execution unit 1 of the present invention.

[0030] Figure 6 It is a schematic structural diagram of the extrusion portion of the present invention.

[0031] Figure 7 It is a structural schematic diagram of the execution part 2 of the present invention.

[0032] Figure 8 It is a schematic structural diagram of the pushing member of the present invention.

[0033] Fig. 9 It is a top view of the working state of the guide member and the pushing member of the present invention.

[0034] Fig.10 This is the exploded structure diagram of the solenoid valve.

[0035] Figure numerals: 10, equipment frame; 11, bottom plate; 12, rotating table; 13, disc; 14, fixed disc; 2, fixing mechanism; 20, cylindrical seat; 21, circular groove; 22, fixing part; 220, extrusion plate; 221, extrusion block; 3, positioning member; 30, pushing plate; 31, pressure roller; 4, limiting member; 40, arc groove; 41, limiting column; 5, driving part; 50, push frame; 51, guide shaft 1; 52, connecting plate; 6, execution part 1; 60, moving block; 61, push shaft 1 ; 62. Reset spring one; 63. Inclined slot one; 64. Guide column one; 7. Guide piece; 70. Guide ring; 23. Extrusion unit; 230. Inverted L-shaped extrusion frame; 231. Guide shaft two; 232. Connecting block; 8. Actuator two; 80. Moving plate; 81. Pushing shaft two; 82. Reset spring two; 83. Inclined slot two; 84. Guide column two; 9. Pushing piece; 90. Telescopic cylinder; 91. Arc plate one; 92. Arc plate two; 15. Reclaimer; 16. Screw driver; 17. Unloader. DETAILED DESCRIPTION

[0036] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0037] like Figure 1 and Figure 2 As shown, an automatic assembly device for a solenoid valve of a water purifier includes an equipment frame 10; the equipment frame 10 includes a main body, a bottom plate 11 fixedly installed on the upper end of the main body, and a rotating table 12 with a rotating outer ring and a fixed inner ring fixedly installed on the upper end of the bottom plate 11, a disc 13 with a fixing mechanism 2 is fixedly installed on the upper end of the outer ring of the rotating table 12, and a fixed plate 14 located directly above the disc 13 is fixedly installed on the upper end of the inner ring of the rotating table 12.

[0038] like Figure 1 and Figure 2As shown, a plurality of loading stations, a screw installation station, and a unloading station are evenly arranged along the circumference of the disc 13 at the upper end of the base plate 11 in the equipment frame 10 for clamping the various parts of the solenoid valve on the fixing mechanism 2 for assembly in sequence while the rotating table 12 drives the disc 13 to rotate; the loading station is provided with a reclaimer 15 installed on the upper end of the base plate 11, the screw installation station is provided with a screw driver 16 installed on the upper end of the base plate 11 and for installing screws on the assembled solenoid valve, and the unloading station is provided with a unloading machine 17 for removing the solenoid valve fixed into one by screws from the fixing mechanism 2, and the unloading machine 17 is installed on the upper end of the base plate 11 and located on the front side of the disc 13; the reclaimer 15, the screw driver 16 and the unloading machine 17 are all existing public technologies, and the specific structure is not the innovation point of the present invention, which will not be described in detail here.

[0039] like Figure 1 , Figure 2 and Figure 3 As shown, the fixing mechanism 2 includes a cylindrical seat 20, and the cylindrical seats 20 are fixedly installed at the positions on the disc 13 corresponding to the material picker 15, the screw driver 16 and the feeder 17. The upper end of the cylindrical seat 20 is provided with four rectangularly distributed circular grooves 21 for inserting the legs on the solenoid valve base to pre-fix the solenoid valve base.

[0040] like Figure 1 , Figure 2 , Figure 3 and Fig. 9 As shown, the upper end of the cylindrical seat 20 is provided with a fixing portion 22 for clamping and fixing the solenoid valve base and limiting and aligning it, and an extrusion portion 23 for fixing the valve core, the T-shaped sleeve and the magnetic sleeve in sequence.

[0041] During specific operation, the material picker 15 adjacent to the feeder 17 clamps the solenoid valve base transported by the corresponding external conveying mechanism and places it on the corresponding cylindrical seat 20, and inserts the legs on the cylindrical seat 20 into the corresponding circular grooves 21, and then the rotating table 12 drives the disc 13 to rotate counterclockwise, so that the cylindrical seat 20 with the base is rotated to the next material picker 15 position, and the solenoid valve base will be straightened and fixed by the fixing part 22 during the movement, and then the corresponding material picker 15 places the valve core on the corresponding base, and then the extrusion part 23 clamps and fixes the valve core, and then the material picker 15 releases the fixation of the valve core and resets it, and at the same time, the next unloaded cylindrical seat 20 moves to the position of the material picker 15 adjacent to the feeder 17 to install the solenoid valve base to the corresponding cylindrical seat 20, thereby realizing the continuity of the solenoid valve assembly.

[0042] As the disc 13 continues to rotate, the corresponding material picker 15 installs the T-sleeve and the magnetic sleeve in turn, and fixes the T-sleeve and the magnetic sleeve in turn through the extrusion part 23, and the assembled solenoid valve moves to the position of the screw driver 16, and the screw driver 16 performs the operation of installing the screws to combine the assembled solenoid valve into a whole, and the fully assembled solenoid valve moves to the position of the unloader 17, and the unloader 17 moves the fully assembled solenoid valve out of the cylindrical seat 20 for unloading operation.

[0043] like Figure 2 and Figure 3 As shown, the fixing portion 22 includes an extrusion plate 220, and the upper end of the cylindrical seat 20 is radially slidably installed with an extrusion plate 220 symmetrical about the axis of the cylindrical seat 20, and the opposite surfaces of the two extrusion plates 220 on the same cylindrical seat 20 are fixedly installed with extrusion blocks 221 for clamping and fixing the solenoid valve base, and the extrusion plate 220 is provided with a positioning member 3 for abutting against the raised portion of the solenoid valve base to align and limit the solenoid valve base, and the cylindrical seat 20 is provided with a driving portion 5 for driving the corresponding two extrusion plates 220 to move toward or away from each other.

[0044] like Figure 3 and Figure 4 As shown, the positioning member 3 includes a pushing plate 30, and the upper end of the extrusion plate 220 is rotatably installed with two pushing plates 30 symmetrical about the center line of the extrusion plate 220 through two torsion spring rods, and the end of the pushing plate 30 away from the torsion spring rod is rotatably installed with a pressure roller 31 that contacts the base of the solenoid valve, and the two torsion spring rods are meshed with spur gears for transmission, and the pushing plate 30 and the extrusion plate 220 are jointly provided with a limit member 4 for limiting the rotation angle of the pushing plate 30.

[0045] like Figure 2 , Figure 3 , Figure 4 and Fig.10 As shown, the limiting member 4 includes an arc groove 40, the upper end of the extrusion plate 220 is provided with an arc groove 40 corresponding to the torsion spring rod, and the arc groove 40 is concentric with the corresponding torsion spring rod, and the lower end of the pushing plate 30 is fixedly installed with a limiting column 41 that cooperates with the corresponding arc groove 40 to limit the deflection of the pushing plate 30.

[0046] During operation, as the disc 13 rotates, the driving unit 5 pushes the extrusion plate 220 to move toward the solenoid valve base, and the extrusion plate 220 first drives the pressure roller 31 to contact the solenoid valve base. As the extrusion plate 220 continues to move, the pressure roller 31 is affected by the solenoid valve base, so that the two pushing plates 30 on the same extrusion plate 220 rotate with the movement of the extrusion plate 220, and the opening angle of the two pushing plates 30 increases until the pressure roller 31 contacts the raised portion of the solenoid valve base (such as Figure 4As shown), the two corresponding torsion spring rods are meshed with spur gears to enable the two pushing plates 30 to rotate synchronously and at the same rotation angle. As the pushing plate 30 rotates, the limit column 41 moves into the corresponding arc groove 40 and contacts the inner wall of the arc groove 40, thereby ensuring the pressing and fixing of the pressure roller 31 on the solenoid valve base to avoid unilateral deviation of the solenoid valve base. At the same time, the squeezing plate 220 further squeezes and fixes the base through the squeezing block 221 (as shown in FIG. Figure 4 As shown), during the installation of the screws, the pressure roller 31 contacts the raised portion of the solenoid valve base to limit the deflection of the solenoid valve base, thereby ensuring the stability of the solenoid valve base during the installation of the screws and preventing the solenoid valve base from moving and causing the screw installation to be skewed, affecting the assembly quality of the solenoid valve and further affecting the service life of the solenoid valve.

[0047] After the solenoid valve is assembled and the screws are installed, the driving unit 5 drives the extrusion block 221 away from the solenoid valve base through the extrusion plate 220. As the extrusion plate 220 moves, the pushing plate 30 rotates under the torsional force of the torsion spring rod. The two pushing plates 30 on the same extrusion plate 220 rotate closer to each other and finally reset until the pressure roller 31 is no longer in contact with the solenoid valve base, thereby releasing the fixation of the solenoid valve base.

[0048] like Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the driving part 5 includes a push frame 50, and two push frames 50 with an inverted L-shaped structure symmetrical about the center line of the extrusion plate 220 are fixedly installed at the opposite ends of the two extrusion plates 220 on the same cylindrical seat 20. A mounting groove is opened at the lower end of the cylindrical seat 20, and a guide shaft 51 is fixedly installed at one end of the vertical section of the push frame 50 close to the corresponding cylindrical seat 20. The guide shafts 51 on the two push frames 50 on the same extrusion plate 220 slide through the mounting groove and are jointly fixedly installed with a connecting plate 52. The cylindrical seat 20 is provided with an actuator 6 for driving the corresponding two connecting plates 52 to move toward or away from each other.

[0049] like Figure 1 , Figure 2 , Figure 4 , Figure 5 and Figure 6As shown, the actuator 6 includes a moving block 60, and the moving block 60 located below the connecting plate 52 is arranged in the installation groove. Two push shafts 61 symmetrical about the axis of the cylindrical seat 20 are fixedly installed at one end of the moving block 60 close to the center of the disk 13, and a ball 1 is rolledly installed after the other end of the push shaft 61 slides through the cylindrical seat 20. A return spring 62 sleeved on the push shaft 61 is installed between the end of the moving block 60 close to the center of the disk 13 and the inner wall of the installation groove. An inclined groove 63 is provided on the connecting plate 52. The inclined grooves 63 on the two connecting plates 52 form an eight-shaped structure, and the small opening end of the formed eight-shaped structure faces the center of the disk 13. A guide column 64 corresponding to the inclined groove 63 is fixedly installed on the moving block 60, and a guide member 7 for pushing the push shaft 61 to slide is provided on the fixed plate 14.

[0050] like Figure 1 , Figure 2 , Figure 5 , Figure 6 , Figure 8 and Fig. 9 As shown, the guide member 7 includes a guide ring 70, and a guide ring 70 coaxial with the fixed disk 14 and in a C-shaped structure is fixedly installed on the outer side of the fixed disk 14 through a support plate 1, and inclined sections inclined toward the inside are arranged at both ends of the guide ring 70, and the push shaft 1 61 contacts the outer wall of the guide ring 70 through a ball 1.

[0051] During specific operation, after the solenoid valve base is placed on the corresponding cylindrical seat 20, the rotating table 12 drives the fixing mechanism 2 to rotate through the disc 13. Because the ball 1 on the push shaft 161 corresponding to the cylindrical seat 20 conflicts with the inclined section of the guide ring 70, the push shaft 161 is pushed by the inclined section of the guide ring 70 and moves in the direction away from the center of the disc 13 as the disc 13 rotates. The movement of the push shaft 161 will push the moving block 60 away from the center of the disc 13 and stretch the reset spring 162. The movement of the moving block 60 will drive the corresponding two connecting plates 52 to approach each other through the cooperation of the guide column 164 and the inclined groove 163. The connecting plate 52 drives the corresponding push frame 50 to move through the guide shaft 151. The push frame 50 drives the corresponding two extrusion plates 220 to approach each other, and the solenoid valve base is squeezed and fixed through the extrusion block 221 and the positioning member 3.

[0052] Then the disc 13 continues to rotate, and the ball 1 on the push shaft 61 keeps in contact with the outer wall of the guide ring 70, so that the solenoid valve base remains fixed until the solenoid valve after the screws are installed rotates toward the feeder 17. At this time, the push shaft 61 will move to the inclined section at the other end of the guide ring 70, and finally disengage from the inclined section of the guide ring 70. The ball 1 on the push shaft 61 does not contact the guide ring 70, so that the moving block 60 is driven to move toward the center of the disc 13 and reset under the action of the rebound force of the reset spring 62. The moving block 60 drives the corresponding two connecting plates 52 away from each other through the cooperation of the guide column 64 and the inclined groove 63. The connecting plate 52 drives the corresponding two extrusion plates 220 away from the solenoid valve base through the guide shaft 51 to release the fixation of the solenoid valve base.

[0053] like Figure 2 , Figure 4 , Figure 6 and Figure 7 As shown, the extrusion portion 23 includes an inverted L-shaped extrusion frame 230, and two inverted L-shaped extrusion frames 230 are symmetrical about its axis and have an inverted L-shaped structure are arranged on the cylindrical seat 20. The inverted L-shaped extrusion frame 230 is located between the two push frames 50 on the corresponding side, and a V-shaped groove is opened at the end of the horizontal section of the inverted L-shaped extrusion frame 230. Two guide shafts 231 are fixedly installed at one end of the vertical section of the inverted L-shaped extrusion frame 230 close to the corresponding cylindrical seat 20. After the two guide shafts 231 on the same inverted L-shaped extrusion frame 230 slide through the installation groove, a connecting block 232 located below the moving block 60 is fixedly installed together. The cylindrical seat 20 is provided with an actuator 8 for driving the corresponding two connecting blocks 232 to move toward or away from each other.

[0054] like Figure 2 , Figure 4 , Figure 6 , Figure 7 , Figure 8 and Fig. 9 As shown, the actuator 8 includes a movable plate 80, and a movable plate 80 located below the connecting block 232 is arranged in the mounting groove. Two push shafts 81 are fixedly installed at one end of the movable plate 80 close to the center of the disk 13. After the push shaft 81 at one end away from the movable plate 80 slides through the cylindrical seat 20, a ball bearing 2 is rollingly installed thereon. A return spring 82 sleeved on the push shaft 81 is installed between the end of the movable plate 80 close to the center of the disk 13 and the mounting groove. An inclined groove 83 corresponding to the connecting block 232 is provided on the movable plate 80. The two inclined grooves 83 on the movable plate 80 form an eight-shaped structure, and the small opening end of the eight-shaped structure faces the center of the disk 13. A guide column 84 cooperating with the inclined groove 83 is fixedly installed at the lower end of the connecting block 232. A pushing member 9 for pushing the push shaft 81 to slide is provided on the fixed disk 14.

[0055] like Figure 1 , Figure 2 , Figure 8 and Fig. 9 As shown, the pushing member 9 includes a telescopic cylinder 90, and the upper end of the fixed plate 14 is equipped with a telescopic cylinder 90 corresponding to the material picker 15 that clamps the valve core, T-tube and magnetic sleeve. The telescopic section of the telescopic cylinder 90 is fixedly installed with an arc plate 91 located below the guide ring 70 and in contact with the ball bearing 2 on the push shaft 81. The position on the fixed plate 14 corresponding to the screw driver 16 is fixedly installed with an arc plate 92 below the guide ring 70 through a support plate 2.

[0056] like Figure 1-Figure 10 As shown, during specific operation, as the disc 13 rotates, the fixing mechanism 2 equipped with the solenoid valve base moves to the position of the material taking machine 15 for clamping and installing the valve core, and then the corresponding material taking machine 15 clamps and installs the valve core to the corresponding position on the solenoid valve base. At this time, the material taking machine 15 maintains the clamping of the valve core, and then the corresponding telescopic cylinder 90 pushes the corresponding push shaft 2 81 through the corresponding arc plate 1 91 via the ball 2 to move away from the center of the disc 13, and the push shaft 2 81 pushes the moving plate 80 to move and stretch the reset spring 2 82, and the moving plate 80 drives the corresponding two connecting blocks 232 to approach each other through the cooperation of the guide column 2 84 and the inclined groove 2 83, and the connecting block 232 drives the corresponding two inverted L-shaped extrusion frames 230 to approach each other through the guide shaft 2 231, and the inverted L-shaped extrusion frame 230 pushes and fixes the valve core through the inner wall of the V-shaped groove, and then the material taking machine 15 releases the clamping and fixation of the valve core and moves and resets.

[0057] Then the disc 13 continues to rotate, driving the fixing mechanism 2 with the valve core fixed thereon to move toward the material grabber 15 for installing the T-sleeve, and during the movement, the arc plate 91 corresponding to the material grabber 15 for installing the valve core and the outer ring wall of the arc plate 91 corresponding to the material grabber 15 for installing the T-sleeve are located on the same path, so that in the process of the fixing mechanism 2 moving to the position of the material grabber 15 for installing the T-sleeve, the extrusion portion 23 can keep the valve core fixed, and then the material grabber 15 installs the T-sleeve on the valve core, and after the valve core is partially inserted into the T-sleeve, the corresponding telescopic cylinder 90 pulls the corresponding arc plate 91 away from the push shaft 2 81, and then drives the inverted L-shaped extrusion frame 230 away from the valve core under the rebound force of the reset spring 2 82 and resets it, and then the material grabber 15 drives the T-sleeve to continue to move downward and insert it into the base of the solenoid valve, at which time the valve core is completely located in the T-sleeve (such as Fig. 9 shown).

[0058] The disc 13 continues to rotate to move the fixing mechanism 2 fixed with the T-sleeve to the position of the material picker 15 for installing the magnetic sleeve. During this process, the arc plate 191 corresponding to the material picker 15 for installing the valve core is separated from the corresponding push shaft 2 81 without contact, and then reset in the direction away from the center of the disc 13 under the push of the corresponding telescopic cylinder 90, so that the outer annular wall of the arc plate 191 corresponding to the material picker 15 for installing the T-sleeve and the outer annular wall of the arc plate 191 corresponding to the material picker 15 for installing the valve core are in the same path. Then, the telescopic cylinder 90 corresponding to the material taking machine 15 for installing the magnetic sleeve pulls the corresponding arc plate 1 91 away from the push shaft 2 81, so that the inverted L-shaped extrusion frames 230 are separated from each other by a certain distance for the installation of the magnetic sleeve. Then, the material taking machine 15 installs the magnetic sleeve on the solenoid valve base, and then the corresponding telescopic cylinder 90 pushes the push shaft 2 81 to move, so as to drive the inverted L-shaped extrusion frame 230 to squeeze and fix the magnetic sleeve through the actuator 2 8. At this time, the outer ring wall of the arc plate 1 91 and the outer ring wall of the arc plate 2 92 are located on the same path, so that as the disc 13 continues to rotate The push shaft 81 is moved, and the push shaft 81 contacts the arc plate 92 through the ball bearing 2, and the magnetic sleeve remains fixed and moves to the position of the screw driver 16. After the screws are installed, the disc 13 continues to rotate to drive the solenoid valve assembled as a whole to move toward the feeder 17, and the push shaft 81 will be separated from the arc plate 92, so that under the action of the rebound force of the reset spring 82, the inverted L-shaped extrusion frame 230 is moved away from the magnetic sleeve to release the fixation of the magnetic sleeve, and the fixing part 22 releases the fixation of the base, and then the feeder 17 can remove the solenoid valve assembled as a whole for subsequent processing.

[0059] It should be noted that, since two push shafts 81 are provided on each cylindrical seat 20, and the distance between the two push shafts 81 is greater than the distance between the opposite ends of adjacent arc plates 91 and between the opposite ends of arc plates 92 and adjacent arc plates 91, when the cylindrical seat 20 moves from the current arc plate 91 to the next arc plate 91 or arc plate 92, the two push shafts 81 will not be simultaneously located between the opposite ends of adjacent arc plates 91 and between the opposite ends of arc plates 92 and arc plates 91, so that at least one push shaft 81 on the same cylindrical seat 20 is always kept pushed, thereby ensuring that the parts fixed by the inverted L-shaped extrusion frame 230 can move smoothly to the next workstation.

[0060] In the description of the present invention, it is necessary to understand that the orientation or positional relationship indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, vertical, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present invention; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself. In addition, in the description of the present invention, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0061] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "connect", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic assembly device for a water purifier solenoid valve, comprising a device rack; characterized in that: The equipment frame is rotatably provided with a disc with a fixing mechanism, and a fixed disc located directly above the disc is fixedly provided; The upper end of the equipment frame is provided with a plurality of evenly distributed loading stations, screw installation stations, and unloading stations for sequentially clamping the parts of the solenoid valve onto the fixing mechanism for assembly, along the circumference of the disc; The fixing mechanism includes a cylindrical seat fixedly installed on the disc and corresponding to the loading station, the screw installation station, and the unloading station. The upper end of the cylindrical seat is provided with four rectangularly distributed circular grooves for inserting the base legs. The upper end of the cylindrical seat is provided with a fixing part and an extrusion part; the fixing part includes an extrusion block and a positioning member symmetrically arranged on the upper end of the cylindrical seat and sliding along its radial direction; when the extrusion block moves toward the clamping base, the positioning member adaptively contacts the raised part of the base to limit rotation and align; The extrusion part includes an inverted L-shaped extrusion frame symmetrically arranged on the upper end of the cylindrical seat and sliding along its radial direction; when the disc rotates to sequentially install various parts of the solenoid valve, the inverted L-shaped extrusion frame reciprocates to fix the valve core, T-shaped sleeve and magnetic sleeve in sequence.

2. According to claim 1, the automatic assembly equipment for the solenoid valve of a water purifier is characterized by: The fixing part also includes an extrusion plate, and the upper end of the cylindrical seat is radially slidingly installed with an extrusion plate symmetrical about the axis of the cylindrical seat, and the opposite surfaces of the two extrusion plates on the same cylindrical seat are fixedly installed with extrusion blocks, the positioning piece is arranged on the extrusion plate, and the cylindrical seat is provided with a driving part for driving the corresponding two extrusion plates to move toward or away from each other.

3. According to claim 2, the automatic assembly equipment for the solenoid valve of a water purifier is characterized by: The positioning member includes a pushing plate, and the upper end of the extrusion plate is rotatably installed with two pushing plates symmetrical about the center line of the extrusion plate through two torsion spring rods. A pressure roller that contacts the raised portion of the base is rotatably installed at one end of the pushing plate away from the torsion spring rod. The two torsion spring rods are meshed with spur gears for transmission, and a limiter for limiting the rotation angle of the pushing plate is commonly provided on the pushing plate and the extrusion plate.

4. According to claim 2, the automatic assembly equipment for the solenoid valve of a water purifier is characterized by: The driving part includes a pushing frame, and two inverted L-shaped pushing frames symmetrical about the center line of the extrusion plates are fixedly installed at the opposite ends of the two extrusion plates on the same cylindrical seat. A mounting groove is opened at the lower end of the cylindrical seat, and a guide shaft 1 is fixedly installed at one end of the vertical section of the pushing frame close to the corresponding cylindrical seat. The guide shafts 1 on the two pushing frames on the same extrusion plate slide through the mounting groove and are jointly fixedly installed with a connecting plate. An actuator 1 is provided on the cylindrical seat for driving the corresponding two connecting plates to move toward or away from each other.

5. The automatic assembly equipment for the solenoid valve of a water purifier according to claim 4 is characterized by: The actuator includes a moving block, a moving block located below the connecting plate is arranged in the mounting groove, and one end of the moving block close to the center of the disk is fixedly mounted with two push shafts symmetrical about the axis of the cylindrical seat, and the other end of the push shaft is slid through the cylindrical seat and is rollingly mounted with a ball, a return spring mounted on the push shaft is installed between the end of the moving block close to the center of the disk and the inner wall of the mounting groove, an inclined groove is provided on the connecting plate, the inclined grooves on the two connecting plates form an eight-shaped structure, and the small opening end of the formed eight-shaped structure faces the center of the disk, a guide column corresponding to the inclined grooves is fixedly mounted on the moving block, and a guide member for pushing the push shaft to slide is provided on the fixed plate.

6. The automatic assembly equipment for the solenoid valve of a water purifier according to claim 5, characterized in that: The extrusion part also includes a second guide shaft. The inverted L-shaped extrusion frame is located between the two push frames on the corresponding side. A V-shaped groove is provided at the end of the horizontal section of the inverted L-shaped extrusion frame. Two second guide shafts are fixedly installed at one end of the vertical section of the inverted L-shaped extrusion frame close to the corresponding cylindrical seat. After the two second guide shafts on the same inverted L-shaped extrusion frame slide through the installation groove, a connecting block located below the moving block is fixedly installed together. An actuator second is provided on the cylindrical seat for driving the corresponding two connecting blocks to move toward or away from each other.

7. The automatic assembly equipment for the solenoid valve of a water purifier according to claim 6, characterized in that: The second actuator includes a moving plate, a moving plate located below the connecting block is arranged in the mounting groove, two push shafts are fixedly installed on one end of the moving plate close to the center of the disk, and two balls are rollingly installed on the push shaft after the end of the push shaft away from the moving plate slides through the cylindrical seat, and two return springs sleeved on the push shaft are installed between the end of the moving plate close to the center of the disk and the mounting groove, and two inclined grooves corresponding to the connecting blocks are opened on the moving plate, and the two inclined grooves on the moving plate form an eight-shaped structure, and the small opening end of the formed eight-shaped structure faces the center of the disk, and two guide pillars cooperating with the inclined grooves are fixedly installed on the lower end of the connecting block, and a pushing member for pushing the push shaft to slide is arranged on the fixed plate.

8. The automatic assembly equipment for the solenoid valve of a water purifier according to claim 7, characterized in that: The pushing member includes a telescopic cylinder, and the upper end of the fixed plate is equipped with telescopic cylinders at positions corresponding to the loading stations. The telescopic section of the telescopic cylinder is fixedly equipped with an arc plate 1 located below the guide ring and in contact with the ball 2 on the push shaft 2. The position on the fixed plate corresponding to the screw installation station is fixedly equipped with an arc plate 2 below the guide ring through a support plate 2.

9. The automatic assembly equipment for the solenoid valve of a water purifier according to claim 5, characterized in that: The guide member includes a guide ring, and a guide ring coaxial with the fixed disk and in a C-shaped structure is fixedly installed on the outer side of the fixed disk through a support plate. Inclined sections inclined toward the inner side are arranged at both ends of the guide ring, and the push shaft contacts the outer wall of the guide ring through a ball.

10. The automatic assembly equipment for the solenoid valve of a water purifier according to claim 3, characterized in that: The limiting member includes an arc groove, the upper end of the extrusion plate is provided with an arc groove corresponding to the torsion spring rod one by one, and the arc groove is concentric with the corresponding torsion spring rod, and the lower end of the pushing plate is fixedly installed with a limiting column that cooperates with the corresponding arc groove to limit the deflection of the pushing plate.

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