CN211845992U

CN211845992U - A directional feed mechanism for valve body assembly

Info

Publication number: CN211845992U
Application number: CN202020152526.2U
Authority: CN
Inventors: 姜斌
Original assignee: Jinhua Hongchi Technology Co ltd
Current assignee: Jinhua Hongchi Technology Co ltd
Priority date: 2020-02-05
Filing date: 2020-02-05
Publication date: 2020-11-03
Anticipated expiration: 2030-02-05

Abstract

The utility model discloses a directional feeding mechanism for valve body assembly, including slant feeding device, direction adjusting device, horizontal feeding device, slant feeding device includes the conveyer belt that the slope set up, the interval is provided with a plurality of material selection strips on the transport surface of conveyer belt, two adjacent material selection strips cooperate the transport surface to form the material selection groove, slant feeding device has feed end and discharge end, material selection strip selects the sealing washer subassembly that is in different gestures, the conveyer belt drives the sealing washer subassembly that is in predetermined gesture to shift up to the discharge end; the discharge end is provided with a first material moving unit which conveys the sealing ring assembly to the direction adjusting device, the sealing ring assembly turns from an inclined state to a horizontal state in the direction adjusting device, and the sealing ring assembly enters the horizontal material conveying device under the action of a second material moving unit. The utility model discloses can be high-efficient accurate carry out directional material loading to the sealing washer subassembly, and whole material loading in-process, the sealing washer subassembly can not receive strong collision friction, has guaranteed the quality and the assembly precision of the subassembly of sealing washer.

Description

A directional feed mechanism for valve body assembly

Technical Field

The utility model belongs to the technical field of the valve body assembly, concretely relates to directional feed mechanism for valve body assembly.

Background

The sealing washer subassembly is the important part in the valve body, for the production assembly efficiency who improves the valve body, adopt automatic feeding assembly more, adopt the vibration dish to carry out directional permutation to the sealing washer subassembly now more, its theory of operation is through the vibration with unordered sealing washer subassembly directional arrangement in order, accurately carry next process, but at directional in-process of ordering, the vibration dish vibration is followed to the sealing washer subassembly, can produce strong collision friction between sealing washer subassembly and the vibration dish, the sealing washer subassembly is easily impaired, and produce the piece, lead to the assembly precision of sealing washer subassembly to reduce, influence the leakproofness and the product quality of valve body.

Disclosure of Invention

The utility model discloses to among the prior art sealing washer subassembly provide a directional feed mechanism for valve body assembly because the easy impaired problem of collision friction in the in-process of directional sequencing, its orientation material loading through slant feeding device, accent to device, horizontal feeding device's cooperation realization sealing washer, whole orientation material loading in-process, sealing washer subassembly can not receive strong collision friction to sealing washer subassembly's quality and assembly precision have been guaranteed.

The purpose of the utility model is realized through the following technical scheme:

a directional feeding mechanism for valve body assembly comprises an oblique feeding device, a horizontal feeding device and a direction adjusting device arranged between the oblique feeding device and the horizontal feeding device; the inclined material conveying device comprises a conveying belt which is obliquely arranged on the rack relative to a horizontal plane, a plurality of material selecting strips are arranged on the conveying surface of the conveying belt at intervals, and the length directions of the material selecting strips are all perpendicular to the conveying direction of the conveying belt; the two adjacent material selecting strips are matched with the conveying surface to form a material selecting groove, and the groove depth of the material selecting groove is defined by the height of the material selecting strips; the oblique material conveying device is provided with a feeding end positioned at the lower end and a discharging end positioned at the upper end, the material selecting strip selects the sealing ring assemblies positioned at the feeding end and positioned at different postures, each sealing ring assembly comprises a support and a sealing ring, the sealing ring assemblies face outwards through the supports, the sealing rings enter the material selecting groove in an inwards preset posture, the height of the material selecting strip is matched with the thickness of the sealing ring, the material selecting groove provides stable supporting force for the sealing ring assemblies in the preset posture, and the conveying belt drives the sealing ring assemblies to move upwards to the discharging end; the discharge end is provided with a first material moving unit which conveys the sealing ring assembly to the direction adjusting device from the material selecting groove, the sealing ring assembly turns to a horizontal state from an inclined state in the direction adjusting device, and the sealing ring assembly enters the horizontal material conveying device under the action of a second material moving unit. The material selecting strips are arranged on the obliquely arranged conveying belt, so that directional material conveying can be completed by utilizing the structural characteristics of the sealing ring, the height of the material selecting strips is matched with the thickness of the sealing ring, the material selecting strips can only stably support the sealing ring assembly in a preset posture, the sealing end surface of the sealing ring is tightly attached to the conveying surface, the outer peripheral surface of the sealing ring is supported on the material selecting strips, the sealing ring assemblies in other postures cannot enter a material selecting groove, or the sealing ring assemblies cannot be effectively supported and can slide down to a feeding end again in the process of obliquely moving the conveying belt, and the material selecting strips can drive the sealing ring assembly at the feeding end to turn over in the process of moving the conveying belt, so that the posture of the sealing ring assembly in a non-preset posture is adjusted; the direction adjusting device is arranged between the oblique material conveying device and the horizontal material conveying device, so that the sealing ring components in the inclined state can be adjusted to the horizontal state to meet the assembly requirement, and the sealing ring components are conveyed to the assembly station in an oriented and aligned mode by the horizontal conveying device.

Preferably, the first material moving unit comprises a first blowing assembly and a limiting assembly, the blowing direction of the first blowing assembly is arranged along the length direction of the material selecting groove, the limiting assembly comprises a limiting cover and a limiting cylinder, and the limiting cover can move downwards under the driving of the limiting cylinder and is covered on the material selecting groove in a buckling mode. The air blowing device is used for blowing and transferring the sealing ring assembly, the force application is milder compared with other force application devices, the sealing ring assembly cannot be damaged, and meanwhile, foreign matters such as an ash layer and the like on the sealing ring assembly can be blown off, so that the assembly precision is improved; because the conveyer belt is the slope setting, the setting of spacing cover can avoid the sealing washer subassembly to be blown off by compressed gas to enable the air current more concentrated, guarantee the accurate entering of sealing washer subassembly and transfer to in the device.

Preferably, a directional screening unit is arranged between the feeding end and the discharging end and comprises a directional sensing device and a second air blowing assembly, the directional sensing device detects the posture of the sealing ring assembly, and the second air blowing assembly is controlled to blow off the sealing ring assembly in a non-preset posture in the material selecting groove. The directional screening unit can further ensure the directional alignment conveying of the sealing ring assemblies, the directional sensing device can detect the relative height of the passing sealing ring assemblies, the relative height of the sealing ring assemblies in preset postures is the lowest and is lower than the set value of the directional sensing device, the sealing ring assemblies can safely pass through the directional screening unit, the relative heights of the sealing ring assemblies in non-preset postures and stacked sealing ring assemblies are higher than the set value of the directional sensing device, the sealing ring assemblies can be sensed by the directional sensing device, and the sealing ring assemblies are blown down by the second blowing device to readjust the postures to wait for the directional conveying.

Preferably, the direction adjusting device comprises a material walking groove and a turning frame, the material walking groove is adjacent to the discharge end of the oblique material conveying device, the groove bottom of the material walking groove is obliquely arranged relative to the horizontal plane, the inclination angle of the material walking groove is consistent with that of the conveying belt, the feeding port of the material walking groove is communicated with the material selecting groove located at the discharge end, and the sealing ring assembly enters the material walking groove in an oblique state. Because the material carrying quantity of each material selecting groove is not fixed, the material feeding grooves can provide a temporary storage area for the sealing ring assembly, and the sealing ring assembly can continuously enter the roll-over stand one by one to turn to in a high-efficiency and orderly manner.

Preferably, the material feeding groove is sequentially provided with a reducing section and an equal-width section along the material feeding direction. The setting of convergent section can make and walk the silo and form a horn mouth at feed port, makes things convenient for the sealing washer subassembly to get into and walks in the silo.

Preferably, the roll-over stand is arranged adjacent to the horizontal conveying device, the roll-over stand can rotate to a horizontal state from an inclined state under the action of the turnover driving assembly, a material carrying groove is arranged on the roll-over stand, when the roll-over stand is in the inclined state, a material outlet port of the material carrying groove is communicated with the material carrying groove, and when the roll-over stand rotates to the horizontal state, the material carrying groove is communicated with a straight vibration track of the horizontal conveying device. The material loading groove is communicated with the material feeding groove in an inclined state and is communicated with the horizontal conveying device in a horizontal state, and the continuous direction adjustment of the sealing ring assembly can be completed without additionally arranging other conveying devices, so that the material feeding time is shortened, the material feeding efficiency is improved, and the structure of the whole feeding mechanism is simpler and more compact.

Preferably, the roll-over stand is rotated through the pivot and is set up in the frame, and the upset drive assembly includes upset cylinder, upset rack, upset gear, and wherein the upset rack is connected with the piston rod of upset cylinder, and the length direction of upset rack sets up along upset cylinder piston rod moving direction, the upset gear suit is on the pivot to with the meshing of upset rack. The rotation of roll-over stand is realized to the component more than adopting, and the cylinder stroke is fixed, therefore the turned angle of roll-over stand is fixed, can make the accurate adjustment to the horizontality of sealing washer subassembly by the tilt state in the year silo.

Preferably, the discharge port of the material passing groove is provided with a blocking cylinder, and a piston rod of the blocking cylinder reciprocates to clear and block the sealing ring assembly in the material passing groove. The arrangement of the blocking cylinder can effectively ensure that the sealing ring assemblies orderly enter the roll-over stand one by one to be turned.

Preferably, the material selecting strips are arranged at equal intervals, the distance between every two adjacent material selecting strips is D, the diameter of the sealing ring is D, and D is less than D and less than 2D. The interval between the aforesaid select the material strip is when the sealing washer subassembly that conveniently is in predetermined gesture enters the optional groove, can avoid the sealing washer subassembly pile to enter the optional groove, guarantees that only one row of sealing washer subassembly has in every optional groove.

Preferably, the material selecting strip is a rectangular strip and is arranged perpendicular to the conveying surface of the conveying belt, and the length of the material selecting strip is consistent with the width of the conveying belt. The material selecting strip with the structure can provide a planar supporting surface for the sealing ring, the stability of directional material conveying is improved, the length of the material selecting strip is consistent with the width of the conveying belt, and the material selecting efficiency of the material selecting strip and the material carrying capacity of the material selecting trough can be improved.

Preferably, a dosing device is arranged at the feeding end of the oblique material conveying device and comprises a roller and a material mixing box which is obliquely arranged, the roller is arranged between the material mixing box and the oblique material conveying device, and the axis of the roller is parallel to the material selecting strip. The feed proportioning device can realize automatic blending, further improves feed mechanism's material loading efficiency, and the setting of cylinder can make the sealing washer subassembly in the batching box pass through the cylinder rotate the mild feeding end that gets into slant feeding device gradually, avoids the feeding end to have too much sealing washer subassembly to pile up, causes the backlog friction.

Preferably, an inclined material bearing plate is arranged at the feeding end of the inclined material conveying device, the bearing surface of the material bearing plate is perpendicular to the conveying surface of the conveying belt, and the bearing surface is lower than the bottom surface of the ingredient box. The setting of holding the flitch can provide a space of keeping in for the sealing washer subassembly to accept the sealing washer subassembly that falls from the groove of selecting materials, holding the flitch slope and setting up and to make the sealing washer subassembly on holding the flitch carry out effective contact with folding the material strip, make the sealing washer subassembly select or be selected the material strip and drive the upset adjustment gesture gradually.

Compared with the prior art, the utility model discloses following beneficial effect has: the material selecting strips are arranged on the conveying belt which is obliquely arranged, directional material conveying is completed by utilizing the structural characteristics of the sealing ring, and the sealing ring component is not subjected to strong collision and friction in the whole directional material conveying process, so that the component quality and the assembly precision of the sealing ring are ensured; the direction adjusting device arranged between the oblique material conveying device and the horizontal material conveying device can adjust the sealing ring assembly from an inclined state to a horizontal state so as to meet the assembly requirement, has reasonable and compact structure, can be efficiently and orderly matched with the oblique material conveying device and the horizontal material conveying device at the same time, and is accurate in adjustment; whole mechanism adopts the mode of blowing to the sealing washer subassembly application of force, and it is more gentle to compare in other force applying device's application of force, can not harm the sealing washer subassembly, still can blow off foreign matter such as the ash layer on the sealing washer subassembly simultaneously to improve the assembly precision.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the slant feeding device, the direction-adjusting device and the horizontal feeding device of the present invention;

FIG. 3 is a schematic view of the structure of the middle oblique feeding device of the present invention;

FIG. 4 is a schematic structural view of a middle direction adjusting device and a horizontal feeding device of the present invention;

FIG. 5 is a schematic structural view of a middle direction adjusting device and a horizontal feeding device of the present invention;

FIG. 6 is a schematic structural view of the middle direction adjusting device of the present invention;

FIG. 7 is a schematic view of the structure of the roll-over stand of the present invention;

fig. 8 is a schematic structural view of the turnover driving assembly of the present invention;

fig. 9 is a schematic structural view of the middle seal ring assembly of the present invention;

FIG. 10 is a schematic view of the structure of the dispensing device of the present invention;

the labels in the figure are: an inclined material conveying device 10; a conveyor belt 11; selecting a material strip 12; a material selecting groove 13; a material-receiving plate 14; a first air nozzle mounting plate 15; a limit cover 16; a limiting cylinder 17; a second nozzle mounting plate 18; a direction-adjusting device 20; a feeding base plate 211; a feeding trough 212; a tapered section 213; equal width sections 214; a first restriction plate 215; a second restriction plate 216; a blocking cylinder 217; a roll-over stand 221; a loading chute 222; a rotating shaft 223; a roll-over cylinder 224; a roll-over rack 225; a tumble gear 226; a stopper block 227; a horizontal feeding device 30; a straight vibration rail 31; a dosing device 40; a ingredient box 41; a drum 42; a seal ring assembly 50; a seal ring 51; a bracket 52.

Detailed Description

The invention will be further described with reference to the accompanying drawings:

referring to fig. 1-10, the present embodiment discloses a directional feeding mechanism for valve body assembly, which includes a material distribution device 40, an oblique material conveying device 10, a direction adjusting device 20, and a horizontal material conveying device 30, which are sequentially arranged, and a sealing ring assembly 50 is sequentially and directionally conveyed to a valve body assembly station through the above devices to realize automatic assembly, in the whole directional feeding process, the sealing ring assembly 50 does not have severe collision and friction, and the sealing ring assembly 50 is not easily damaged, thereby ensuring the quality and assembly precision of the sealing ring assembly 50.

The batching device 40 is adjacent to the feeding end of the inclined material conveying device 10, the sealing ring assembly 50 is distributed to the feeding end of the material conveying device, the batching device 40 comprises a roller 42 and a batching box 41, the batching box 41 is obliquely arranged relative to the horizontal plane, the lower end of the batching box 41 is provided with a discharging port, the feeding end of the inclined material conveying device 10 is provided with an inclined material bearing plate 14, the roller 42 is arranged between the discharging port and the feeding end of the material conveying device, the axis of the roller 42 is parallel to the material selecting strip 12, the roller 42 intermittently rotates under the action of a motor and a control system, the outer surface of the roller 42 forms a material walking curved surface, the sealing ring assembly 50 firstly gradually slides to the discharging port under the action of self gravity, then the sealing ring assembly is transferred to the material bearing plate 14 by the action of the rotation of the roller 42, the sealing ring assembly 50 smoothly reaches the material bearing plate 14 depending on the peripheral surface of, and the intermittent rotation of the roller 42 can avoid the accumulation of excessive sealing ring components 50 on the material bearing plate 14 to cause overstock friction, so as to ensure the quality and the assembly precision of the sealing ring components 50, and the rotation frequency of the roller 42 is set in cooperation with the material conveying capacity of the inclined material conveying device 10.

The inclined material conveying device 10 comprises a conveying belt 11 which is obliquely arranged on a rack relative to a horizontal plane, a driving roller is arranged at the upper end of the rack, a transmission roller is arranged at the lower end of the rack, the conveying belt 11 is tensioned on the driving roller and the transmission roller in a closed ring shape, the driving roller is driven by a servo motor to rotate and drives the conveying belt 11 to move forwards at equal intervals, and the inclination angle of the conveying belt 11 is 60 degrees; a plurality of material selecting strips 12 are fixedly arranged on the conveying surface of the conveying belt 11, and the length directions of the material selecting strips 12 are all perpendicular to the conveying direction of the conveying belt 11; two adjacent material selecting strips 12 are matched with a conveying surface to form a material selecting groove 13, and the groove depth of the material selecting groove 13 is defined by the height of the material selecting strips 12; the conveying belt 11 is provided with a feeding end positioned at the lower end and a discharging end positioned at the upper end, the feeding end is fixedly provided with a material bearing plate 14 for bearing the sealing ring assembly 50, an installation gap is formed between the material bearing plate 14 and the conveying belt 11, and the conveying belt 11 and the material selecting strips 12 can pass through the installation gap; the material selecting strip 12 selects the sealing ring assemblies 50 on the material bearing plate 14 in different postures, each sealing ring assembly 50 comprises a support 52 and a sealing ring 51, each sealing ring assembly 50 faces outwards through the support 52, each sealing ring 51 enters the material selecting groove 13 in a preset inward posture, the material selecting strips 12 are arranged on the obliquely arranged conveying belt 11, directional material conveying can be completed by utilizing the structural characteristics of the sealing rings 51, the height of each material selecting strip 12 is matched with the thickness of the corresponding sealing ring 51, each material selecting strip 12 only can stably support the corresponding sealing ring assembly 50 in the preset posture, the sealing end faces of the sealing rings 51 are tightly attached to the conveying faces, the outer peripheral faces of the sealing rings 51 are supported on the material selecting strips 12, the sealing ring assemblies 50 in other postures cannot enter the material selecting grooves 13, or cannot be effectively supported and fall to the feeding end again in the inclined upward moving process of the conveying belt 11, and the material selecting strips 12 can drive the sealing ring assemblies 50 on the material bearing plate 14 to overturn in the moving process of the conveying belt And thus the seal ring assembly 50 in a non-predetermined posture is subjected to posture adjustment.

The material selecting strips 12 are arranged on the whole conveying surface at equal intervals, the interval between every two adjacent material selecting strips 12 is D, the diameter of each sealing ring 51 is D, and D is more than D and less than 2D, the interval between the material selecting strips 12 can effectively prevent the sealing ring assemblies 50 from being stacked into the material selecting groove 13 when the sealing ring assemblies 50 in preset postures conveniently enter the material selecting groove 13, and only one row of sealing ring assemblies 50 in each material selecting groove 13 is ensured to prepare for subsequent directional conveying in an array; in order to provide a plane supporting surface for the sealing ring assembly 50 and improve the stability of the directional conveying of the sealing ring assembly 50, the material strip 12 is selected to be a rectangular strip; the length of the material selecting strip 12 is consistent with the width of the conveying belt 11, so that the material selecting efficiency of the material selecting strip 12 and the material carrying capacity of the material selecting groove 13 can be improved.

The discharging end of the oblique material conveying device 10 is provided with a first material moving unit which is used for conveying the sealing ring assembly 50 from the material selecting groove 13 to the direction adjusting device 20, the first material moving unit comprises a first blowing assembly and a limiting assembly, the first blowing assembly is arranged on one side of the conveying belt 11 and comprises a first air nozzle mounting plate 15 and a first compressed air pipeline, the blowing direction of an air nozzle is arranged along the length direction of the material selecting groove 13, the blowing assembly is used for blowing and transferring the sealing ring assembly 50, compared with other force applying devices, the force applying device is mild in force applying, the sealing ring assembly 50 cannot be damaged, meanwhile, foreign matters such as an ash layer and the like on the sealing ring assembly 50 can be blown off, and the assembling precision is improved; the conveying belt 11 is obliquely arranged, the limiting assembly is arranged to prevent the sealing ring assembly 50 from being blown off by compressed gas and enable air flow to be more concentrated, the sealing ring assembly 50 is enabled to move out in an accurate posture, the position of the limiting assembly corresponds to that of the first blowing assembly, the limiting assembly comprises a limiting cover 16 and a limiting driving piece, the limiting cover 16 can be covered above the material selecting groove 13 under the driving of the limiting driving piece and is matched with the material selecting groove 13 to limit an air flow channel in the length direction of the material selecting groove 13; the limiting cover 16 is a U-shaped cover, the cover opening of the limiting cover is arranged towards the conveying belt 11, the width of the cover opening is matched with the width of the material selecting groove 13, the length of the cover opening is matched with the length of the material selecting groove 13, the limiting driving piece is a limiting cylinder 17 fixedly arranged on the rack, a piston rod of the limiting cylinder 17 is fixedly connected with the limiting cover 16 through a connecting plate, and the piston rod moves back and forth perpendicular to the conveying surface; the distance that conveyer belt 11 antedisplacement at every turn under servo motor's drive is d, and 11 intermittent type formula equidistance antedisplacement of conveyer belt can guarantee to be in the selection silo 13 of discharge end and the position of first subassembly and spacing subassembly of blowing corresponding to realize moving material cooperation and spacing cooperation, improve whole feeding device's operational reliability.

A directional screening unit is arranged between the feeding end and the discharging end, the directional screening unit comprises a directional sensing device and a second air blowing assembly, the second air blowing assembly is the same as the first air blowing assembly in structure and comprises a second air nozzle mounting plate 18 and a second compressed air pipeline, the air blowing direction of the air nozzles is arranged along the length direction of the material selecting groove 13, the directional sensing device is an infrared sensing switch and senses the height of the sealing ring assemblies 50 in the material selecting groove 13 and controls the second air blowing assembly to blow off the assemblies higher than the preset height, the infrared sensing switch and the second air blowing assembly are fixedly arranged on the mounting frame and are positioned on one side of the conveying belt 11, the directional screening unit can further ensure that the sealing ring assemblies 50 are conveyed in a directional array manner, the directional sensing device can detect the relative height of the passing sealing ring assemblies 50, and the relative height of the sealing ring assemblies 50 in the preset posture is the lowest, when the height of the sealing ring assembly 50 is lower than the set value of the directional sensing device, the sealing ring assembly can safely pass through the directional screening unit, the non-preset posture and the stacking are generated, the relative height of the sealing ring assembly 50 is higher than the set value of the directional sensing device, the sealing ring assembly can be sensed by the directional sensing device, the sealing ring assembly is blown down into the material bearing plate 14 at the feeding end by the second blowing device, and the posture is readjusted to wait for directional conveying; in order to avoid damage caused by too large fall in the process of blowing the sealing ring assembly 50, the directional screening unit is arranged close to the feeding end of the inclined material conveying device 10.

The direction adjusting device 20 comprises a material feeding groove 212 and a turning frame 221, the material feeding groove 212 is arranged on a material feeding bottom plate 211 and is adjacent to the discharge end of the slant material conveying device 10, the bottom of the material feeding groove 212 is obliquely arranged relative to the horizontal plane, the inclination angle of the material feeding groove is consistent with that of the conveying belt, a feeding port of the material feeding groove 212 is communicated with a material selecting groove 13 at the discharge end, the sealing ring assemblies 50 enter the material feeding groove 212 in an oblique state, and because the carrying quantity of each material selecting groove 13 is not fixed, the material feeding groove 212 can provide a temporary storage area for the sealing ring assemblies 50, and the sealing ring assemblies 50 can continuously enter the turning frame 221 one by one to turn efficiently and orderly; the material feeding groove 212 is sequentially provided with a tapered section 213 and an equal-width section 214 along the material feeding direction, and the tapered section 213 can enable the material feeding groove 212 to form a bell mouth at a material inlet port, so that the sealing ring assembly 50 can conveniently enter the material feeding groove 212; walk the both sides of silo 212 and be provided with first limiting plate 215 and second limiting plate 216 respectively, two limiting plates extend in opposite directions and cover part notch, and the setting of two limiting plates can be retrained the sealing washer subassembly 50 of walking in the silo 212, avoids the in-process of sealing washer subassembly 50 at the antedisplacement to break away from and walks the silo 212.

The overturning frame 221 is arranged adjacent to the horizontal material conveying device 30, the overturning frame 221 can rotate to a horizontal state from an inclined state under the action of an overturning driving assembly, a material carrying groove 222 is arranged on the overturning frame 221, when the overturning frame 221 is in the inclined state, a material outlet port of a material conveying groove 212 is communicated with the material carrying groove 222, when the overturning frame 221 rotates to the horizontal state, the material carrying groove 222 is communicated with a straight vibration rail 31 of the horizontal conveying device, the material carrying groove 222 is communicated with the material conveying groove 212 in the inclined state and is communicated with the horizontal conveying device in the horizontal state, other conveying devices do not need to be additionally arranged, the continuous direction adjustment of the sealing ring assembly 50 can be completed, the material conveying time is reduced, the material conveying efficiency is improved, and the structure of the whole feeding mechanism is simpler and more compact; the turnover frame 221 is rotatably arranged on the rack through a rotating shaft 223, the turnover driving assembly comprises a turnover cylinder 224, a turnover rack 225 and a turnover gear 226, wherein the turnover rack 225 is connected with a piston rod of the turnover cylinder 224, the length direction of the turnover rack 225 is arranged along the moving direction of the piston rod of the turnover cylinder 224, the turnover gear 226 is sleeved on the rotating shaft 223 and is meshed with the turnover rack 225, the turnover frame 221 is rotated by adopting the above components, the stroke of the cylinder is fixed, and therefore, the rotating angle of the turnover frame 221 is fixed, in the embodiment, the turnover angle of the turnover frame 221 is 60 degrees, and the sealing ring assembly 50 in the material carrying groove 222 is accurately adjusted to be in a horizontal state from an inclined state so as to meet the requirement of directional assembly.

In order to ensure that the sealing ring assemblies 50 orderly enter the turning frame 221 one by one to be turned, the discharge port of the material conveying groove 212 is provided with a blocking cylinder 217, a piston rod of the blocking cylinder 217 reciprocates to release and block the sealing ring assemblies 50 in the material conveying groove 212, and the arrangement of the blocking cylinder 217 can effectively ensure that the sealing ring assemblies 50 orderly enter the turning frame 221 one by one to be turned; in order to prevent the sealing ring assemblies 50 from slipping out of the material loading groove 222, a stop block 227 is arranged on one side of the bogie far away from the material running groove 212, the position of the stop block 227 corresponds to the position of the material loading groove 222 in the initial position, and the sealing ring assemblies 50 which are not adjusted are stopped in the material loading groove 222; the first air blowing assembly blows the sealing ring assembly 50 from the material selecting groove 13 to the material conveying groove 212, and simultaneously provides power for the sealing ring assembly 50 to move from the material conveying groove 212 to the material carrying groove 222, the sealing ring assembly 50 in the material carrying groove 222 is blown to the horizontal conveying device by the third air blowing assembly after being adjusted to be in a horizontal state along with the turnover frame 221, the horizontal conveying device is the straight vibrating rail 31 in the embodiment, and the sealing ring assembly 50 is conveyed to the assembling station by the straight vibrating rail 31 for directional assembling.

The directional feeding mechanism for valve body assembly disclosed in this embodiment can automatically and directionally convey the disordered sealing ring component 50 to the assembly station for directional assembly under the control of the control system, and in the whole directional conveying process, the sealing ring component 50 is not subjected to violent collision and friction and is not easy to be damaged, so that the quality and the assembly precision of the sealing ring component 50 are ensured, and meanwhile, the quality of the whole valve body is also improved; the whole mechanism is compact and reasonable in structure, and the devices are orderly and efficiently matched, so that the assembly efficiency of the valve body is greatly improved.

The above description is only the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and those skilled in the art should be able to make changes, modifications, additions or substitutions within the scope of the present invention.

Claims

1. A directional feeding mechanism for valve body assembly is characterized by comprising an oblique feeding device, a horizontal feeding device and a direction adjusting device arranged between the oblique feeding device and the horizontal feeding device; the inclined material conveying device comprises a conveying belt which is obliquely arranged on the rack relative to a horizontal plane, a plurality of material selecting strips are arranged on the conveying surface of the conveying belt at intervals, and the length directions of the material selecting strips are all perpendicular to the conveying direction of the conveying belt; the two adjacent material selecting strips are matched with the conveying surface to form a material selecting groove, and the groove depth of the material selecting groove is defined by the height of the material selecting strips; the oblique material conveying device is provided with a feeding end positioned at the lower end and a discharging end positioned at the upper end, the material selecting strip selects the sealing ring assemblies positioned at the feeding end and positioned at different postures, each sealing ring assembly comprises a support and a sealing ring, the sealing ring assemblies face outwards through the supports, the sealing rings enter the material selecting groove in an inwards preset posture, the height of the material selecting strip is matched with the thickness of the sealing ring, the material selecting groove provides stable supporting force for the sealing ring assemblies in the preset posture, and the conveying belt drives the sealing ring assemblies to move upwards to the discharging end; the discharge end is provided with a first material moving unit which conveys the sealing ring assembly to the direction adjusting device from the material selecting groove, the sealing ring assembly turns to a horizontal state from an inclined state in the direction adjusting device, and the sealing ring assembly enters the horizontal material conveying device under the action of a second material moving unit.

2. The directional feeding mechanism for valve body assembly according to claim 1, wherein the first material moving unit comprises a first blowing assembly and a limiting assembly, the blowing direction of the first blowing assembly is arranged along the length direction of the material selecting tank, the limiting assembly comprises a limiting cover and a limiting cylinder, and the limiting cover can move downwards and cover the material selecting tank under the driving of the limiting cylinder.

3. The directional feeding mechanism for valve body assembly according to claim 1, wherein a directional screening unit is arranged between the feeding end and the discharging end, the directional screening unit comprises a directional sensing device and a second air blowing assembly, the directional sensing device detects the posture of the sealing ring assembly, and the second air blowing assembly is controlled to blow off the sealing ring assembly in the non-preset posture in the material selecting tank.

4. A directional feeding mechanism for valve body assembly according to claim 1, characterized in that the material selecting strips are arranged at equal intervals, the distance between two adjacent material selecting strips is D, the diameter of the sealing ring is D, and D < D < 2D.

5. A directional feeding mechanism for valve body assembly according to any one of claims 1 to 4, wherein said direction-adjusting means comprises a chute and a roll-over stand, the chute is adjacent to the discharge end of the slant feeding means, the bottom of the chute is disposed at an inclination with respect to the horizontal plane, and the inclination angle of the chute is consistent with the inclination angle of the conveyor belt, the feeding port of the chute is communicated with the material selecting groove at the discharge end, and the sealing ring assembly enters the chute in an inclined state.

6. A directional feeding mechanism for valve body assembly according to claim 5, characterized in that the material feeding groove is provided with a tapered section and an equal-width section in sequence along the material feeding direction.

7. A directional feeding mechanism for valve body assembly according to claim 5, wherein the roll-over stand is arranged adjacent to the horizontal feeding device, the roll-over stand can be rotated from a tilted state to a horizontal state by the roll-over driving assembly, a material carrying groove is arranged on the roll-over stand, the material outlet of the material carrying groove is communicated with the material carrying groove when the roll-over stand is in the tilted state, and the material carrying groove is communicated with the straight vibrating track of the horizontal feeding device when the roll-over stand is rotated to the horizontal state.

8. The directional feeding mechanism for the valve body assembly according to claim 5, wherein the turning frame is rotatably arranged on the machine frame through a rotating shaft, the turning driving assembly comprises a turning cylinder, a turning rack and a turning gear, the turning rack is connected with a piston rod of the turning cylinder, the length direction of the turning rack is arranged along the moving direction of the piston rod of the turning cylinder, and the turning gear is sleeved on the rotating shaft and meshed with the turning rack.

9. A directional feeding mechanism for valve body assembly according to any one of claims 1 to 4, wherein a dosing device is provided at the feeding end of the inclined feeding device, the dosing device comprises a roller and an obliquely arranged dosing box, the roller is arranged between the dosing box and the inclined feeding device, and the axis of the roller is parallel to the material selecting strip.

10. A directional feeding mechanism for valve body assembly according to claim 9, wherein the feeding end of the inclined feeding device is provided with an inclined material receiving plate, the receiving surface of the material receiving plate is perpendicular to the conveying surface of the conveying belt, and the receiving surface is lower than the bottom surface of the ingredient box.