A diesel fuel injection nozzle valve core automatic assembly method and equipment

Abstract

The present application relates to the field of diesel fuel injector valve cores, and in particular, to an automatic assembly method and equipment for diesel fuel injector valve cores, including a base, a loading device, a transport device, and an assembly component. The transport device includes a rotating disk and a positioning cylinder. The rotating disk is rotatably connected to the surface of the base, and the positioning cylinder is connected to the surface of the rotating disk. The surface of the rotating disk is provided with a loading station one, a loading station two, and an assembly station at intervals. The loading device includes two vibration disks and two loading components. The assembly component is connected to the base, and the assembly end of the assembly component can install the valve core on the assembly station on the valve body. The provision of the vibration disk and the loading component in the present application realizes the automatic assembly of the diesel fuel injector valve core, and there is no need for the staff to manually assemble the valve core and the valve body, which shortens the processing cycle of the diesel fuel injector valve core, thereby reducing the processing cost of the diesel fuel injector valve core.

Description

Technical Field

[0001] The present application relates to the field of diesel fuel injection nozzle valve cores, and in particular to an automatic assembly method and equipment for a diesel fuel injection nozzle valve core. Background Art

[0002] The diesel fuel injection nozzle valve core usually includes a precision couple, which is composed of a needle valve and a needle valve body.

[0003] Since the valve core of the diesel fuel injector is small in structure, the diesel fuel injector production process in the prior art requires workers to manually assemble the valve core and the valve body, which prolongs the production cycle of the diesel fuel injector and thus increases the production cost of the diesel fuel injector. Summary of the invention

[0004] In order to improve the production cost problem of diesel fuel injectors, the present application provides a diesel fuel injector valve core automatic assembly method and equipment.

[0005] In the first aspect, the present application provides a diesel fuel injector valve core automatic assembly device, which adopts the following technical solution:

[0006] A diesel fuel injector valve core automatic assembly device, comprising a base, a feeding device, a transport device and an assembly component, wherein the transport device comprises a rotating disk and a positioning cylinder, wherein the rotating disk is rotatably connected to the surface of the base, wherein the positioning cylinder is connected to the surface of the rotating disk, wherein the inner cavity of the positioning cylinder is used for placing the valve body, wherein the surface of the rotating disk is provided with a feeding station 1, a feeding station 2 and an assembly station at intervals, wherein the rotating disk drives the positioning cylinder to pass through the feeding station 1, the feeding station 2 and the assembly station in sequence, wherein the feeding device comprises two vibrating disks and two feeding components, wherein one of the vibrating disks is used for storing the valve body , and the discharge port of the vibration plate faces the first loading station, the other vibration plate is for storing the valve core, and the discharge port of the vibration plate faces the second loading station, the two loading components are connected to the surface of the base at intervals, the loading components and the vibration plates correspond one to one, one of the loading components can embed the valve body in the vibration plate into the inner cavity of the positioning cylinder located on the first loading station, and the other loading component can embed the valve core into the inner cavity of the valve body located on the second loading station, the assembly component is connected to the base, and the assembly end of the assembly component can install the valve core on the assembly station on the valve body.

[0007] By adopting the above technical solution, when assembling the diesel fuel injector, the rotating disk rotates on the base and drives the positioning cylinder to pass through the feeding station one, the feeding station two and the assembly station in sequence. When the positioning cylinder is located on the feeding station one, the discharge port of the vibration disk faces the feeding station one, and the feeding assembly embeds the valve body of the discharge port of the vibration disk into the inner cavity of the positioning cylinder located on the feeding station one. The rotating disk rotates to drive the positioning cylinder on the feeding station one to approach the feeding station two. When the positioning cylinder is located on the feeding station two, the feeding assembly can move the discharge port of the vibration disk to the inner cavity of the positioning cylinder located on the feeding station one. The valve core is embedded in the inner cavity of the valve body located on the second loading station to realize the preliminary assembly of the valve body and the valve core. The rotating disk continues to rotate to drive the positioning cylinder on the second loading station to approach the assembly station. When the positioning cylinder is located on the assembly station, the assembly end of the assembly component installs and fixes the valve core on the assembly station in the inner cavity of the valve body, thereby realizing the automatic assembly of the diesel injector valve core. There is no need for staff to manually assemble the valve core and the valve body, shortening the processing cycle of the diesel injector valve core, thereby reducing the processing cost of the diesel injector valve core.

[0008] Optionally, the transport device further comprises a tightening assembly, the tightening assembly comprises a tightening ring bag, the outer ring of the tightening ring bag is connected to the inner wall of the positioning tube, and the inner ring of the tightening ring bag can tighten the outer periphery of the valve body to form a limit.

[0009] By adopting the above technical solution, when the loading assembly drives the valve body at the outlet of the vibration plate to embed into the inner cavity of the positioning cylinder, the inner ring of the tight ring bag presses against the outer periphery of the valve body to form a limit, so that the valve body is not easily displaced in the inner cavity of the positioning cylinder, thereby improving the limit stability of the valve body in the inner cavity of the positioning cylinder.

[0010] Optionally, the clamping assembly also includes a clamping piston and an elastic member, the bottom wall of the positioning cylinder is provided with an inflation channel for the clamping piston to slide, one end of the elastic member in the elastic direction is connected to the surface of the clamping piston, and the other end of the elastic member in the elastic direction is connected to the inner wall of the inflation channel, the elastic member has the elastic force to drive the clamping piston to slide in the direction away from the inflation channel, and the end of the clamping piston tends to protrude from the bottom wall of the positioning cylinder, the valve body can abut the end face of the clamping piston and drive the clamping piston to slide in the direction close to the inflation channel.

[0011] By adopting the above technical scheme, when the valve body is embedded in the inner cavity of the positioning cylinder, the bottom of the valve body abuts against the end of the tightening piston protruding from the bottom wall of the positioning cylinder, and the tightening piston slides toward the inflation flow channel under the pressure of the valve body. The air pressure in the inner cavity of the inflation flow channel increases, and the inflation flow channel is connected to the inner cavity of the tightening ring bag. The air in the inflation ring bag enters the inner cavity of the tightening ring bag, and the inner ring of the tightening ring bag is pressurized and expanded to press against the periphery of the valve body to form a limit, thereby further increasing the tightening force between the inner ring of the tightening ring bag and the periphery of the valve body.

[0012] Optionally, the feeding assembly includes a feeding seat, a feeding cylinder, a feeding frame, a feeding plate, a feeding gear, an elastic member 2 and a feeding rack, the bottom of the feeding seat is connected to the end surface of the base, the feeding cylinder is connected to the top of the feeding seat, the end of the piston rod of the feeding cylinder passes through the outer wall of the feeding seat and is connected to the feeding frame, the feeding frame opens toward the discharge port of the vibration disk, the valve body of the discharge port of the vibration disk can enter the inner cavity of the feeding frame, and the surface of the feeding frame facing the rotating disk is provided with a rotating cavity for the feeding plate to rotate, and the rotating cavity is connected to the inner cavity of the feeding frame Cavity, one end of the elastic part in the elastic direction is connected to the rotating shaft of the loading plate, and the other end of the elastic part in the elastic direction is connected to the inner wall of the rotating cavity. The elastic part has the elastic force to drive the loading plate to rotate toward the rotating cavity, and the circumferential outer wall of the loading plate abuts against the inner wall of the rotating cavity to form a sealing tendency. The valve body is placed on the plate surface of the loading plate facing the inner cavity of the loading frame, and the loading gear is coaxially connected to the rotating shaft of the loading plate, one end of the loading rack is connected to the surface of the positioning cylinder, and the other end of the loading rack can engage with the loading gear.

[0013] By adopting the above technical scheme, the valve body in the vibrating disk enters the inner cavity of the feeding frame through the discharge port, and the elastic force of the second elastic member drives the feeding plate to rotate in the direction close to the rotating cavity, and the circumferential outer wall of the feeding plate abuts against the inner wall of the rotating cavity, and the plate surface of the feeding plate is flush with the inner wall of the feeding frame, and the bottom of the valve body abuts against the plate surface of the feeding plate; when the rotating disk rotates on the surface of the base and drives the positioning cylinder to be located on the processing station one, the feeding frame is located directly above the positioning cylinder, and the feeding cylinder drives the feeding frame to approach the positioning cylinder, and the end of the feeding rack engages with the feeding gear and drives the feeding plate to rotate in the direction away from the rotating cavity, the supporting effect of the feeding plate on the valve body disappears, and the valve body naturally falls in the direction close to the positioning cylinder due to its own gravity, and the valve body is embedded in the inner cavity of the positioning cylinder, so as to realize automatic feeding of the valve body in the positioning cylinder.

[0014] Optionally, a guide assembly is connected to the positioning cylinder, and the guide assembly includes a guide rack, a guide gear, a bevel gear one, a bevel gear two, a guide screw, a guide plate and a guide air bag. The guide screw is rotatably connected to the surface of the positioning cylinder, the guide plate is threadedly connected to the outer wall of the guide screw, one end of the guide air bag is connected to the surface of the positioning cylinder, and the other end of the guide air bag is connected to the surface of the guide plate. The surface of the guide air bag can guide the valve body to embed into the inner cavity of the positioning cylinder, and a rotating hole for the guide gear to rotate is provided on the surface of the guide cylinder. The bevel gear is coaxially connected to the rotating shaft of the guide gear, and the bevel gear two is coaxially connected to the rotating shaft of the guide screw. The bevel gear one meshes with the bevel gear two. One end of the guide rack is connected to the bottom of the loading frame, and the other end of the guide rack can mesh with the guide gear.

[0015] By adopting the above technical scheme, when the positioning cylinder is located on the processing station one, the loading cylinder drives the loading frame to slide in the direction close to the positioning cylinder, the end of the guide rack is embedded in the rotating hole and engages with the guide gear, driving the guide gear to rotate, and bevel gear one engages with bevel gear two, driving the guide plate to slide along the axis of the guide screw in the direction away from the positioning cylinder, and the guide airbag opens. The surface of the guide airbag can abut the surface of the valve body and guide the valve body to embed into the inner cavity of the positioning cylinder, so that the valve body is not easily offset during the free fall process, thereby ensuring the stability of the loading of the valve body in the inner cavity of the positioning cylinder.

[0016] Optionally, the guide assembly further includes a one-way valve 1 and a one-way valve 2, wherein the one-way valve 1 is connected to the guide plate surface, and the one-way valve 1 allows outside air to enter the inner cavity of the guide airbag. A guide flow channel is provided on the surface of the positioning cylinder, and the guide flow channel connects the inner cavity of the guide airbag and the inner cavity of the tightening ring bag. The one-way valve 2 is connected to the inner wall of the guide flow channel, and the one-way valve 2 allows air in the guide airbag to enter the guide flow channel.

[0017] By adopting the above technical scheme, when the guide plate slides along the axis of the guide screw rod in the direction away from the positioning cylinder, one end of the guide airbag is connected to the surface of the positioning cylinder, and the other end of the guide airbag is connected to the surface of the guide plate, the guide airbag opens, and the outside air enters the inner cavity of the guide airbag through the one-way valve, and the inner cavity of the guide airbag is pressurized and expanded. When the guide plate slides along the axis of the guide screw rod in the direction close to the positioning cylinder, the guide airbag shrinks due to the pressure of the guide plate, and the air in the guide airbag enters the guide flow channel through the one-way valve, the air pressure in the guide flow channel increases, and the air in the guide flow channel enters the inner cavity of the tightening ring bag. The inner ring of the tightening ring bag is pressurized and expanded, and presses against the periphery of the valve body to form a limit, thereby further increasing the tightening force between the valve body and the tightening ring bag.

[0018] Optionally, the assembly component includes an assembly seat, an assembly cylinder and an assembly part, the assembly seat is connected to the base surface, the assembly cylinder is connected to the top surface of the assembly seat, the assembly cylinder piston rod passes through the assembly seat surface and is connected to the assembly part, the assembly end of the assembly part faces the assembly station, the assembly cylinder can drive the assembly part close to the assembly station, and the assembly part can assemble and fix the valve body and valve core.

[0019] By adopting the above technical solution, when the rotating disk rotates on the base and drives the positioning cylinder to be located at the assembly station, the assembly end of the assembly part faces the assembly station, the assembly cylinder drives the assembly part close to the assembly station, and the assembly part assembles and fixes the valve body and the valve core, thereby realizing the automatic assembly of the diesel injector valve core, shortening the assembly cycle of the diesel injector valve core, and thus reducing the processing cost of the diesel injector valve core.

[0020] Optionally, a unloading assembly is connected to the base, and the unloading assembly includes a unloading seat, a unloading motor, a unloading screw, a unloading cylinder and a unloading manipulator. The bottom of the unloading seat is connected to the base, the unloading screw is rotatably connected to the surface of the unloading seat, the motor shaft of the unloading motor is coaxially connected to the unloading screw, the unloading cylinder is threadedly connected to the outer wall of the unloading screw, the unloading cylinder can move away from the axis of the rotating disk along the axis of the unloading screw, the unloading manipulator is connected to the piston rod of the unloading cylinder, the unloading cylinder can drive the unloading manipulator to approach the surface of the rotating disk, the unloading manipulator can clamp the valve body in the positioning cylinder, and the surface of the rotating disk facing the unloading manipulator is provided with a unloading station, and the rotation of the rotating disk drives the positioning cylinder of the assembly station to move to the unloading station.

[0021] By adopting the above technical scheme, when the rotating disk drives the positioning cylinder on the assembly station to move to the unloading station, the clamping end of the unloading robot faces the diesel fuel injector valve core in the positioning cylinder, and the unloading cylinder drives the unloading robot to approach the positioning cylinder. The clamping end of the unloading robot clamps the diesel fuel injector valve core in the positioning cylinder, and the unloading cylinder drives the unloading robot away from the rotating disk. The diesel fuel injector valve core is separated from the inner cavity of the positioning cylinder, thereby realizing the automatic unloading of the diesel fuel injector valve core in the positioning cylinder. At the same time, the unloading motor runs, driving the unloading cylinder to slide along the axis of the unloading screw in the direction away from the axis of the rotating disk, thereby realizing the automatic unloading of the diesel fuel injector valve core.

[0022] Optionally, the unloading assembly also includes a transport seat, two synchronous wheels and a synchronous belt used in conjunction with the synchronous wheels. The two synchronous wheels are connected to the top surface of the transport seat in a rotational manner at an interval. The synchronous belt tensions the two synchronous wheels. The end face of the synchronous belt faces the unloading screw rod. The surface of the synchronous belt is for the diesel injector valve core on the unloading robot to fall off.

[0023] By adopting the above technical scheme, the synchronous belt is tensioned to connect the two synchronous wheels, and the surface of the synchronous belt faces the unloading screw. When the unloading cylinder slides along the unloading screw toward the transport seat, the clamping end of the unloading robot is located directly above the synchronous belt. The clamping end of the unloading robot is loosened, and the clamping force of the diesel injector valve core caused by the unloading robot disappears. The diesel injector valve core falls to the end face of the synchronous belt due to its own gravity. The synchronous belt drives the diesel injector valve core to move toward the storage space, thereby realizing the automatic storage of the diesel injector valve core. There is no need for staff to carry the diesel injector valve core, thereby further improving the processing efficiency of the diesel injector valve core.

[0024] In a second aspect, the present application provides a method for automatically assembling a diesel fuel injector valve core, which adopts the following technical solution:

[0025] A diesel fuel injection nozzle valve core automatic assembly method, using the above-mentioned diesel fuel injection nozzle valve core automatic assembly device, comprises the following steps:

[0026] Material preparation: place the valve body in the vibration plate near processing station one, and place the valve core in the vibration plate near processing station two;

[0027] The valve body and the valve core are assembled, and the rotating disk rotates to drive the positioning cylinder to pass through the processing station one, the processing station two and the assembly station in sequence.

[0028] By adopting the above technical scheme, the valve body is placed in a vibration plate near the processing station one, and the valve core is placed in a vibration plate near the processing station two. The rotation of the rotating plate drives the positioning cylinder to pass through the processing station one, the processing station two and the assembly station in sequence. The feeding device drives the valve core to be embedded in the valve body, and the assembly component assembles and fixes the valve body on the valve body, thereby realizing the automatic assembly of the diesel injector valve core, thereby improving the assembly efficiency of the diesel injector valve core and reducing the processing cost of the diesel injector valve core.

[0029] In summary, the present application includes at least one of the following beneficial technical effects:

[0030] 1. The setting of the vibration plate and the feeding assembly realizes the automatic assembly of the diesel fuel injection nozzle valve core, and the staff does not need to manually assemble the valve core and the valve body, which shortens the processing cycle of the diesel fuel injection nozzle valve core, thereby reducing the processing cost of the diesel fuel injection nozzle valve core;

[0031] 2. The setting of the tight ring bag makes it difficult for the valve body to deviate in the inner cavity of the positioning tube, thereby improving the limiting stability of the valve body in the inner cavity of the positioning tube;

[0032] 3. The arrangement of the pressing piston and the elastic member 1 causes the inner ring of the pressing ring bag to be pressurized and expand and press against the outer periphery of the valve body to form a limit, thereby further increasing the pressing force between the inner ring of the pressing ring bag and the outer periphery of the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall structure in the embodiment of the present application.

[0034] Figure 2 It is a partial cross-sectional view in the embodiment of the present application, mainly showing the feeding device.

[0035] Figure 3 It is a schematic diagram of the overall structure of the loading plate in the embodiment of the present application.

[0036] Figure 4 It is a partial cross-sectional view in an embodiment of the present application, mainly showing the guide component.

[0037] Figure 5 It is a schematic diagram of the local structure in the embodiment of the present application, mainly showing the blanking components.

[0038] Description of the reference numerals: 1. base; 2. feeding device; 21. vibrating plate; 22. feeding assembly; 221. feeding seat; 222. feeding cylinder; 223. feeding frame; 2231. rotating chamber; 224. feeding plate; 225. feeding gear; 226. elastic member 2; 227. feeding rack; 3. transport device; 31. rotating plate; 32. positioning cylinder; 321. inflatable flow channel; 322. rotating hole; 323. guide flow channel; 33. tightening assembly; 331. tightening ring capsule; 332. tightening piston; 333. Elastic part 1; 4. Assembly component; 41. Assembly seat; 42. Assembly cylinder; 43. Assembly part; 5. Guide component; 51. Guide rack; 52. Guide gear; 53. Bevel gear 1; 54. Bevel gear 2; 55. Guide screw; 56. Guide plate; 57. Guide airbag; 58. One-way valve 1; 59. One-way valve 2; 6. Unloading component; 61. Unloading seat; 62. Unloading motor; 63. Unloading screw; 64. Unloading cylinder; 65. Unloading manipulator; 66. Transport seat; 67. Synchronous wheel; 68. Synchronous belt. DETAILED DESCRIPTION

[0039] The following is combined with Figure 1-5 This application is described in further detail.

[0040] The present application embodiment discloses a diesel fuel injection nozzle valve core automatic assembly device. Figure 1 A diesel fuel injector valve core automatic assembly device includes a base 1, a loading device 2, a transport device 3 and an assembly component 4. The bottom of the base 1 abuts the ground to form a support. The loading device 2, the transport device 3 and the assembly component 4 are sequentially installed on the top surface of the base 1. The loading device 2 can drive the valve body and the valve core to be embedded in the transport device 3. The transport device 3 can drive the valve body and the valve core to approach the assembly component 4. The assembly component 4 can assemble and fix the valve core on the valve body, thereby completing the automatic assembly of the diesel fuel injector valve core.

[0041] Reference Figure 1 and Figure 2The transport device 3 includes a rotating disk 31, a positioning cylinder 32 and a tightening assembly 33. The rotating disk 31 is rotatably connected to the top surface of the base 1. The number of positioning cylinders 32 can be one, two or more. In the embodiment of the present application, the number of positioning cylinders 32 is multiple, and multiple positioning cylinders 32 are fixed at the edge of the rotating disk 31 at intervals around the axis of the rotating disk 31. The inner cavity of the positioning cylinder 32 is for the valve body to be embedded. The top surface of the rotating disk 31 is spaced apart with a loading station 1, a loading station 2 and an assembly station. When the rotating disk 31 rotates on the top surface of the base 1, it drives the positioning cylinder 32 to pass through the loading station 1, the loading station 2 and the assembly station in sequence. The number of tightening assemblies 33 It can be one, two or more. In the embodiment of the present application, the number of the tightening components 33 is multiple. The tightening components 33 and the positioning cylinder 32 correspond one to one. The tightening components 33 can improve the limiting stability of the valve body in the inner cavity of the positioning cylinder 32. The tightening components 33 include a tightening ring capsule 331, a tightening piston 332 and an elastic member 333. The material of the tightening ring capsule 331 can be rubber or silicone. In the embodiment of the present application, the material of the tightening ring capsule 331 is rubber, which has a certain deformation ability. The outer ring of the tightening ring capsule 331 is coaxially fixed in the inner cavity of the positioning cylinder 32, and the inner ring of the tightening ring capsule 331 can tighten the outer periphery of the valve body to form a limit.

[0042] Reference Figure 2 The material of the pressing piston 332 can be rubber or silicone. In the embodiment of the present application, the material of the pressing piston 332 is rubber, which has a certain deformation ability. The bottom wall of the positioning cylinder 32 is provided with an inflation channel 321 for the sliding of the pressing piston 332. The inflation channel 321 is connected to the inner cavity of the tightening ring bag 331. The sliding direction of the pressing piston 332 is parallel to the axis of the rotating disk 31. The elastic member 333 can be a compression spring or a tension spring. In the embodiment of the present application, the elastic member 333 is a compression spring with a certain deformation ability. One end of the elastic member 333 in the elastic direction is fixed on the inner wall of the inflation channel 321, and the other end of the elastic member 333 in the elastic direction is fixed on the surface of the pressing piston 332. The elastic member 333 has the elastic force to drive the pressing piston 332 to slide in the direction away from the inflation channel 321, and the end of the pressing piston 332 has a tendency to protrude from the bottom wall of the positioning cylinder 32.

[0043] Reference Figure 2The end of the tightening piston 332 protruding from the bottom wall of the positioning cylinder 32 can abut the bottom of the valve body. When the valve body is embedded in the inner cavity of the positioning cylinder 32, the bottom of the valve body abuts the bottom of the tightening piston 332. The tightening piston 332 slides toward the inflation flow channel 321 under the pressure of the valve body. The air pressure in the inflation flow channel 321 increases, and the inflation flow channel 321 is connected to the inner cavity of the tightening ring bag 331. The air in the inflation flow channel 321 enters the inner cavity of the tightening ring bag 331. The inner ring of the tightening ring bag 331 is pressurized and expanded and presses against the circumferential outer wall of the valve body to form a limit, further increasing the tightening force between the inner ring of the tightening ring bag 331 and the outer periphery of the valve body, making it difficult for the valve body to deviate in the inner cavity of the positioning cylinder 32, thereby improving the limiting stability of the valve body in the inner cavity of the positioning cylinder 32.

[0044] Reference Figure 1 The feeding device 2 includes two vibration disks 21 and two feeding components 22, wherein one vibration disk 21 is used to store the valve body, and the discharge port of the vibration disk 21 faces the feeding station one, and the other vibration disk 21 is used to store the valve core, and the discharge port of the vibration disk 21 faces the feeding station two. The two feeding components 22 are fixed on the surface of the base 1 at intervals, and the feeding components 22 correspond to the vibration disks 21 one by one. One of the feeding components 22 can embed the valve body in the vibration disk 21 into the inner cavity of the positioning cylinder 32 located on the feeding station one, and the other feeding component 22 can embed the valve core in the vibration disk 21 into the inner cavity of the valve body located on the feeding station two, thereby realizing the preliminary assembly of the valve core and the valve body.

[0045] Reference Figure 2 and Figure 3The feeding assembly 22 includes a feeding seat 221, a feeding cylinder 222, a feeding frame 223, a feeding plate 224, a feeding gear 225, an elastic member 226 and a feeding rack 227. The bottom of the feeding seat 221 is welded and fixed to the top surface of the base 1, and the feeding cylinder 222 is fixed to the top of the feeding seat 221 by bolts. The axis of the piston rod of the feeding cylinder 222 and the axis of the rotating disk 31 are parallel to each other. The end of the piston rod of the feeding cylinder 222 passes through the outer wall of the feeding seat 221 and is fixed to the outer wall of the feeding frame 223. The opening of the feeding frame 223 faces the discharge port of the vibration disk 21. The adjacent valve bodies in the vibration disk 21 squeeze each other, driving the valve body of the discharge port of the vibration disk 21 to embed into the inner cavity of the feeding frame 223, and the feeding frame 223 faces the rotating disk A rotating cavity 2231 is provided on the surface of 31 for the loading plate 224 to rotate. The rotation axis of the loading plate 224 and the axis of the rotating disk 31 are perpendicular to each other. The rotating cavity 2231 is connected to the inner cavity of the loading frame 223. The elastic member 226 can be a tension spring or a torsion spring. In the embodiment of the present application, the elastic member 226 is a torsion spring with a certain deformation ability. One end of the elastic member 226 in the elastic direction is fixed on the inner wall of the rotating cavity 2231, and the other end of the elastic member 226 in the elastic direction is fixed on the rotating shaft of the loading plate 224. The elastic member 226 has the elastic force to drive the loading plate 224 to rotate in the direction close to the rotating cavity 2231, and the circumferential outer wall of the loading plate 224 abuts against the inner wall of the rotating cavity 2231 to form a sealing tendency.

[0046] Reference Figure 2 The surface of the loading plate 224 facing the loading frame 223 is flush with the inner wall of the loading frame 223, and the plate surface of the loading plate 224 facing the loading frame 223 is abutted against the bottom of the valve body, and the loading plate 224 provides support for the valve body; the loading gear 225 is coaxially fixed on the rotating shaft of the loading plate 224, one end of the loading rack 227 is fixed on the top of the positioning cylinder 32, and the other end of the loading rack 227 can engage with the loading gear 225.

[0047] Reference Figure 2 When the positioning cylinder 32 is located at the loading station 1, the loading cylinder 222 drives the loading frame 223 to slide in the direction close to the positioning cylinder 32, and the end of the loading rack 227 engages the loading gear 225 and drives the loading plate 224 to rotate. The loading plate 224 rotates in the direction away from the rotating chamber 2231. The sealing effect of the loading plate 224 on the rotating chamber 2231 disappears, and the support effect of the loading plate 224 on the valve body in the loading frame 223 disappears. The valve body falls due to its own gravity, and the valve body is embedded in the inner cavity of the positioning cylinder 32. The circumferential outer wall of the valve body presses against the inner circle of the annular bag 331 to form a limit, thereby realizing automatic loading of the valve body.

[0048] Reference Figure 2When the positioning cylinder 32 is located at the second loading station, the loading cylinder 222 drives the loading frame 223 to slide in the direction close to the positioning cylinder 32, and the end of the loading rack 227 engages the loading gear 225 and drives the loading plate 224 to rotate. The loading plate 224 rotates in the direction away from the rotating chamber 2231. The sealing effect of the loading plate 224 on the rotating chamber 2231 disappears, and the supporting effect of the loading plate 224 on the valve core in the loading frame 223 disappears. The valve core falls due to its own gravity, and the valve core is embedded in the inner cavity of the valve body, thereby realizing the preliminary installation of the valve body and the valve core.

[0049] Reference Figure 2 and Figure 4 A guide assembly 5 is installed on the positioning cylinder 32, and the guide valve body of the guide assembly 5 is embedded in the inner cavity of the positioning cylinder 32. The guide assembly 5 includes a guide rack 51, a guide gear 52, a bevel gear 1 53, a bevel gear 2 54, a guide screw 55, a guide plate 56, a guide airbag 57, a one-way valve 1 58 and a one-way valve 2 59. The end of the guide screw 55 is rotatably connected to the top surface of the positioning cylinder 32, and the axis of the guide screw 55 and the axis of the rotating disk 31 are parallel to each other. The guide plate 56 is threadedly connected to the outer periphery of the guide screw 55, and the guide plate 56 can slide along the axis of the guide screw 55. The material of the guide airbag 57 can be rubber or silicone. In the embodiment of the present application, the guide airbag 57 The material is rubber with a certain deformation ability. One end of the guide airbag 57 is fixed on the top surface of the positioning cylinder 32, and the other end of the guide airbag 57 is fixed on the surface of the guide plate 56. A rotating hole 322 is provided on the top surface of the positioning cylinder 32 for the guide gear 52 to rotate. The axis of the guide gear 52 and the axis of the guide screw rod 55 are perpendicular to each other. Bevel gear 1 53 is coaxially welded and fixed on the rotating shaft of the guide gear 52, and bevel gear 2 54 is coaxially welded and fixed on the rotating shaft of the guide screw rod 55. Bevel gear 1 53 meshes with bevel gear 2 54. One end of the guide rack 51 is fixed on the bottom of the loading frame 223, and the other end of the guide rack 51 can be embedded in the rotating hole 322 and mesh with the guide gear 52.

[0050] Reference Figure 2 and Figure 4 One-way valve 58 is installed on the guide plate 56, and one-way valve 58 allows external air to enter the inner cavity of the guide airbag 57. A guide channel 323 is opened on the surface of the positioning tube 32 facing the guide airbag 57. The guide channel 323 connects the inner cavity of the guide airbag 57 and the inner cavity of the tightening ring bag 331. One-way valve 59 is installed on the inner wall of the guide channel 323, and one-way valve 59 allows the air in the guide airbag 57 to enter the guide channel 323.

[0051] Reference Figure 2 and Figure 4When the feeding cylinder 222 drives the feeding frame 223 to slide in the direction close to the positioning cylinder 32, the end of the guide rack 51 is embedded in the rotating hole 322 and engages with the guide gear 52. The guide gear 52 rotates, and the bevel gear 1 53 engages with the bevel gear 2 54, driving the guide screw 55 to rotate around its own axis, driving the guide plate 56 to slide along the axis of the guide screw 55 in the direction away from the positioning cylinder 32, and the guide plate 56 drives the guide airbag 57 to open, and the outside air enters the inner cavity of the guide airbag 57 through the one-way valve 1 58, and the guide airbag 57 expands. The surface of the guide airbag 57 can abut the valve body and guide the valve body to embed into the inner cavity of the positioning cylinder 32, thereby realizing the precise feeding of the valve body in the inner cavity of the positioning cylinder 32.

[0052] Reference Figure 2 and Figure 4 When the feeding cylinder 222 drives the feeding frame 223 to slide in the direction away from the positioning cylinder 32, the end of the guide rack 51 slides in the direction away from the rotating hole 322, the guide gear 52 rotates, and the bevel gear 1 53 engages with the bevel gear 2 54, driving the guide screw 55 to rotate around its own axis, driving the guide plate 56 to slide along the axis of the guide screw 55 toward the positioning cylinder 32, and the guide plate 56 squeezes the guide airbag 57 to shrink, and the air in the guide airbag 57 enters the guide channel 323 through the one-way valve 2 59, and the air pressure in the guide channel 323 increases. The air in the guide channel 323 enters the inner cavity of the tightening ring bag 331, and the inner ring of the tightening ring bag 331 is pressurized and expanded and presses against the outer periphery of the valve body to form a limit, further increasing the tightening force between the valve body and the tightening ring bag 331.

[0053] Reference Figure 1 The assembly component 4 includes an assembly seat 41, an assembly cylinder 42 and an assembly part 43. The bottom of the assembly seat 41 is fixed to the top surface of the base 1 by bolts, and the assembly cylinder 42 is fixed to the top of the assembly seat 41 by bolts. The axis of the piston rod of the assembly cylinder 42 and the axis of the rotating disk 31 are parallel to each other. The end of the piston rod of the assembly cylinder 42 passes through the outer wall of the assembly seat 41 and is fixed on the assembly part 43. In the embodiment of the present application, the assembly part 43 is an electric bolt. The assembly cylinder 42 can drive the assembly part 43 to approach the rotating disk 31, and the assembly end of the assembly part 43 faces the assembly station.

[0054] Reference Figure 1 When the positioning cylinder 32 on the second loading station rotates to the assembly station, the assembly cylinder 42 drives the assembly part 43 to approach the rotating disk 31, and the assembly end of the assembly part 43 is assembled and fixed to the valve core on the assembly station on the valve body, thereby completing the automatic assembly of the valve core on the valve body.

[0055] Reference Figure 1 and Figure 5A material unloading assembly 6 is installed on the base 1, and the material unloading assembly 6 can automatically remove the diesel fuel injector valve core in the positioning cylinder 32; the material unloading assembly 6 includes a material unloading seat 61, a material unloading motor 62, a material unloading screw rod 63, a material unloading cylinder 64, a material unloading manipulator 65, a transport seat 66, two synchronous wheels 67 and a synchronous belt 68 used in conjunction with the synchronous wheel 67. The bottom of the material unloading seat 61 is welded and fixed to the top surface of the base 1, one end of the material unloading screw rod 63 is rotatably connected to the top surface of the material unloading seat 61, and the other end of the material unloading screw rod 63 is coaxially welded and fixed to the motor shaft of the material unloading motor 62, and the axis of the material unloading screw rod 63 and the axis of the rotating disk 31 are perpendicular to each other. The unloading cylinder 64 is threadedly connected to the outer periphery of the unloading screw rod 63, and the unloading cylinder 64 can slide along the axis of the unloading screw rod 63 in the direction away from the axis of the rotating disk 31. The axis of the unloading screw rod 63 and the axis of the rotating disk 31 are parallel to each other. The unloading manipulator 65 is fixed to the piston rod of the unloading cylinder 64 by bolts. The clamping end of the unloading manipulator 65 faces the surface of the rotating disk 31. The clamping end of the unloading manipulator 65 can clamp the diesel injector valve core. A unloading station is provided on the surface of the rotating disk 31 facing the clamping end of the unloading manipulator 65. The rotating disk 31 rotates and drives the positioning cylinder 32 on the assembly station to move to the unloading station.

[0056] Reference Figure 5 , two synchronous wheels 67 are fixed at intervals at both ends of the transport seat 66, and the synchronous belt 68 is tensioned to connect the two synchronous wheels 67. The end face of the synchronous belt 68 faces the unloading screw 63, and the surface of the synchronous belt 68 is used to place the diesel fuel injection nozzle valve core; when the positioning cylinder 32 on the assembly station moves to the unloading station, the unloading cylinder 64 drives the unloading manipulator 65 to move in the direction close to the positioning cylinder 32, and the clamping end of the unloading manipulator 65 clamps the diesel fuel injection nozzle valve core, and the unloading cylinder 64 drives the unloading manipulator 65 away from the positioning cylinder 32, and the diesel fuel injection nozzle valve core is clamped. The fuel injector valve core detaches from the positioning cylinder 32, and the unloading motor 62 runs at the same time, driving the unloading cylinder 64 along the axis of the unloading screw 63 to approach the synchronous belt 68, and the unloading robot 65 clamps the diesel fuel injector valve core and faces the end face of the synchronous belt 68. The unloading robot 65 is released, and the diesel fuel injector valve core naturally falls on the end face of the synchronous belt 68 due to its own gravity. The two synchronous wheels 67 rotate on the surface of the transport seat 66, driving the diesel fuel injector valve core to move toward the storage bin, thereby realizing the automatic storage of the diesel fuel injector valve core.

[0057] The implementation principle of an automatic assembly device for a diesel fuel injector valve core in the embodiment of the present application is as follows: when the diesel fuel injector valve core is assembled, the rotating disk 31 rotates on the surface of the base 1, and when the positioning cylinder 32 is located at the loading station one, the loading cylinder 222 drives the loading frame 223 to slide in the direction close to the positioning cylinder 32, and the end of the loading rack 227 engages with the loading gear 225 and drives the loading plate 224 to rotate, and the loading plate 224 rotates in the direction away from the rotating chamber 2231, and the sealing effect of the loading plate 224 on the rotating chamber 2231 disappears, and the supporting effect of the loading plate 224 on the valve body in the loading frame 223 disappears, and the valve body falls due to its own gravity, and the valve body is embedded in the inner cavity of the positioning cylinder 32, and the circumferential outer wall of the valve body is pressed against the inner ring of the tight ring bag 331 to form a limit, thereby realizing the automatic loading of the valve body; when the positioning cylinder 32 is located at the loading station two, the loading cylinder 222 drives the loading frame 223 to slide in the direction close to the positioning cylinder 32, and the end of the loading rack 227 engages with the loading gear 225 and drives the loading plate 224 to rotate, and the loading plate 224 rotates in the direction away from the rotating chamber 2231. The loading plate 224 rotates in the direction away from the rotating chamber 2231, and the sealing effect of the loading plate 224 on the rotating chamber 2231 disappears. The supporting effect of the valve core in the loading frame 223 by the loading plate 224 disappears, and the valve core falls due to its own gravity, and the valve core is embedded in the inner cavity of the valve body, thereby realizing the preliminary installation of the valve body and the valve core; when the positioning cylinder 32 on the loading station 2 is rotated to the assembly station, the assembly cylinder 42 drives the assembly part 43 to approach the rotating disk 31, and the assembly end of the assembly part 43 is assembled and fixed to the valve core on the assembly station on the valve body, thereby realizing the automatic assembly of the diesel injector valve core, without the need for staff to manually assemble the valve core and the valve body, shortening the processing cycle of the diesel injector valve core, thereby reducing the processing cost of the diesel injector valve core.

[0058] The embodiment of the present application also discloses a diesel fuel injector valve core automatic assembly method, using the above-mentioned diesel fuel injector valve core automatic assembly device, comprising the following steps:

[0059] Material preparation: place the valve body in the vibration plate 21 near the processing station 1, and place the valve core in the vibration plate 21 near the processing station 2;

[0060] The valve body and the valve core are assembled, and the rotating disk 31 rotates to drive the positioning cylinder 32 to pass through the processing station 1, the processing station 2 and the assembly station in sequence.

[0061] The implementation principle of an automatic assembly method for a diesel fuel injector valve core in an embodiment of the present application is as follows: the valve body is placed in a vibration plate 21 near processing station one, the valve core is placed in a vibration plate 21 near processing station two, the rotating plate 31 rotates to drive the positioning cylinder 32 to pass through processing station one, processing station two and assembly station in sequence, the feeding device 2 drives the valve core to be embedded in the valve body, and the assembly component 4 assembles and fixes the valve body on the valve body, thereby completing the automatic assembly of the diesel fuel injector valve core, thereby improving the assembly efficiency of the diesel fuel injector valve core and reducing the processing cost of the diesel fuel injector valve core.

[0062] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A diesel fuel injection nozzle valve core automatic assembly equipment, characterized in that: The invention comprises a base (1), a feeding device (2), a transport device (3) and an assembly component (4), wherein the transport device (3) comprises a rotating disk (31) and a positioning cylinder (32), wherein the rotating disk (31) is rotatably connected to the surface of the base (1), the positioning cylinder (32) is connected to the surface of the rotating disk (31), the inner cavity of the positioning cylinder (32) is used to place a valve body, and the surface of the rotating disk (31) is provided with a first feeding station, a second feeding station and an assembly station at intervals, and the rotating disk (31) drives the positioning cylinder (32) to pass through the first feeding station, the second feeding station and the assembly station in sequence, and the feeding device (2) comprises two vibration disks (2 1) and two loading assemblies (22), wherein one of the vibration disks (21) is used to store the valve body, and the discharge port of the vibration disk (21) faces the first loading station, and the other of the vibration disks (21) is used to store the valve core, and the discharge port of the vibration disk (21) faces the second loading station, the two loading assemblies (22) are connected to the surface of the base (1) at intervals, the loading assemblies (22) and the vibration disks (21) correspond one to one, one of the loading assemblies (22) can embed the valve body in the vibration disk (21) into the inner cavity of the positioning cylinder (32) located on the first loading station, and the other of the loading assemblies (22) can embed the valve core The transport device (3) further comprises a tightening assembly (33), wherein the tightening assembly (33) comprises a tightening ring capsule (331), wherein the outer ring of the tightening ring capsule (331) is connected to the inner wall of the positioning tube (32), and the inner ring of the tightening ring capsule (331) can tighten against the periphery of the valve body to form a limit position; the tightening assembly (33) further comprises a tightening piston (332) and an elastic member (333), and the bottom wall of the positioning tube (32) is provided with a tightening member (331). The piston (332) slides in the inflation flow channel (321), one end of the elastic member (333) in the elastic direction is connected to the surface of the abutting piston (332), and the other end of the elastic member (333) in the elastic direction is connected to the inner wall of the inflation flow channel (321), the elastic member (333) has an elastic force to drive the abutting piston (332) to slide in a direction away from the inflation flow channel (321), and the end of the abutting piston (332) has a tendency to protrude from the bottom wall of the positioning cylinder (32), and the valve body can abut the end surface of the abutting piston (332) and drive the abutting piston (332) to slide in a direction close to the inflation flow channel (321);The feeding assembly (22) comprises a feeding seat (221), a feeding cylinder (222), a feeding frame (223), a feeding plate (224), a feeding gear (225), a second elastic member (226) and a feeding rack (227); the bottom of the feeding seat (221) is connected to the end surface of the base (1); the feeding cylinder (222) is connected to the top of the feeding seat (221); the end of the piston rod of the feeding cylinder (222) passes through the outer wall of the feeding seat (221) and is connected to the feeding frame (223); the opening of the feeding frame (223) faces the discharge port of the vibration disk (21); the valve body of the discharge port of the vibration disk (21) can enter the inner cavity of the feeding frame (223); the surface of the feeding frame (223) facing the rotating disk (31) is provided with a rotating cavity (2231) for the feeding plate (224) to rotate; the rotating cavity (2231) is provided with a rotating cavity (2231) for the feeding plate (224) to rotate. 231) is connected to the inner cavity of the loading frame (223), one end of the elastic member 2 (226) in the elastic direction is connected to the rotating shaft of the loading plate (224), and the other end of the elastic member 2 (226) in the elastic direction is connected to the inner wall of the rotating cavity (2231), the elastic member 2 (226) has the elastic force to drive the loading plate (224) to rotate in the direction close to the rotating cavity (2231), and the circumferential outer wall of the loading plate (224) abuts against the inner wall of the rotating cavity (2231) to form a seal, the plate surface of the loading plate (224) facing the inner cavity of the loading frame (223) is used for placing the valve body, the loading gear (225) is coaxially connected to the rotating shaft of the loading plate (224), one end of the loading rack (227) is connected to the surface of the positioning cylinder (32), and the other end of the loading rack (227) can mesh with the loading gear (225). ; 2. The diesel fuel injection nozzle valve core automatic assembly equipment according to claim 1 is characterized by: The positioning cylinder (32) is connected with a guide assembly (5), the guide assembly (5) comprising a guide rack (51), a guide gear (52), a bevel gear 1 (53), a bevel gear 2 (54), a guide screw (55), a guide plate (56) and a guide airbag (57), the guide screw (55) being rotatably connected to the surface of the positioning cylinder (32), the guide plate (56) being threadedly connected to the outer wall of the guide screw (55), one end of the guide airbag (57) being connected to the surface of the positioning cylinder (32), and the other end of the guide airbag (57) being connected to the plate surface of the guide plate (56). The surface of the guide airbag (57) can guide the valve body to be embedded in the inner cavity of the positioning tube (32); the surface of the positioning tube (32) is provided with a rotating hole (322) for the guide gear (52) to rotate; the bevel gear 1 (53) is coaxially connected to the rotating shaft of the guide gear (52); the bevel gear 2 (54) is coaxially connected to the rotating shaft of the guide screw rod (55); the bevel gear 1 (53) meshes with the bevel gear 2 (54); one end of the guide rack (51) is connected to the bottom of the loading frame (223); the other end of the guide rack (51) can mesh with the guide gear (52).

3. The diesel fuel injection nozzle valve core automatic assembly equipment according to claim 2 is characterized by: The guide assembly (5) further comprises a one-way valve (58) and a two-way valve (59). The one-way valve (58) is connected to the surface of the guide plate (56). The one-way valve (58) allows outside air to enter the inner cavity of the guide airbag (57). A guide flow channel (323) is provided on the surface of the positioning cylinder (32). The guide flow channel (323) communicates with the inner cavity of the guide airbag (57) and the inner cavity of the tightening ring bag (331). The two-way valve (59) is connected to the inner wall of the guide flow channel (323). The one-way valve (59) allows air in the guide airbag (57) to enter the guide flow channel (323).

4. The diesel fuel injection nozzle valve core automatic assembly equipment according to claim 1 is characterized by: The assembly component (4) comprises an assembly seat (41), an assembly cylinder (42) and an assembly part (43); the assembly seat (41) is connected to the surface of the base (1); the assembly cylinder (42) is connected to the top surface of the assembly seat (41); the piston rod of the assembly cylinder (42) penetrates the surface of the assembly seat (41) and is connected to the assembly part (43); the assembly end of the assembly part (43) faces the assembly station; the assembly cylinder (42) can drive the assembly part (43) to approach the assembly station; and the assembly part (43) can assemble and fix the valve body and the valve core.

5. The diesel fuel injection nozzle valve core automatic assembly equipment according to claim 1, characterized in that: The base (1) is connected to a material unloading assembly (6), the material unloading assembly (6) comprising a material unloading seat (61), a material unloading motor (62), a material unloading screw rod (63), a material unloading cylinder (64) and a material unloading manipulator (65), the bottom of the material unloading seat (61) is connected to the base (1), the material unloading screw rod (63) is rotatably connected to the surface of the material unloading seat (61), the motor shaft of the material unloading motor (62) is coaxially connected to the material unloading screw rod (63), the material unloading cylinder (64) is threadedly connected to the outer wall of the material unloading screw rod (63), and the material unloading cylinder (64) is threadedly connected to the outer wall of the material unloading screw rod (63). The cylinder (64) can move away from the axis of the rotating disk (31) along the axis of the unloading screw rod (63); the unloading robot (65) is connected to the piston rod of the unloading cylinder (64); the unloading cylinder (64) can drive the unloading robot (65) to approach the surface of the rotating disk (31); the unloading robot (65) can clamp the valve body in the positioning cylinder (32); a unloading station is provided on the surface of the rotating disk (31) facing the unloading robot (65); the rotating disk (31) rotates to drive the positioning cylinder (32) of the assembly station to move to the unloading station.

6. The diesel fuel injection nozzle valve core automatic assembly equipment according to claim 5, characterized in that: The unloading assembly (6) also includes a transport seat (66), two synchronous wheels (67) and a synchronous belt (68) used in conjunction with the synchronous wheels (67). The two synchronous wheels (67) are connected to the top surface of the transport seat (66) in an interval rotation manner. The synchronous belt (68) tensions the two synchronous wheels (67). The end face of the synchronous belt (68) faces the unloading screw rod (63). The surface of the synchronous belt (68) is used for the diesel injector valve core on the unloading robot (65) to fall off.

7. A diesel fuel injection nozzle valve core automatic assembly method, characterized in that: The diesel fuel injection nozzle valve core automatic assembly device according to any one of claims 1 to 6 is used, comprising the following steps: Material preparation: placing the valve body in a vibration plate (21) near the first processing station, and placing the valve core in a vibration plate (21) near the second processing station; The valve body and the valve core are assembled, and the rotating disk (31) rotates to drive the positioning cylinder (32) to pass through the processing station 1, the processing station 2 and the assembly station in sequence.

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