CN209830843U - Fuel pump assembly line - Google Patents

Abstract

The utility model discloses a fuel pump assembly line, it is used for assembling into the fuel pump with upper end cap subassembly, casing subassembly, rotor, impeller, bearing, back lid. The utility model discloses a fuel pump assembly line, including first mould, the transfer line body, upper end cover subassembly feed mechanism, casing subassembly feeding manipulator, upper end cover subassembly installation mechanism, casing upper end binding off mechanism, magnetism charging mechanism, rotor installation mechanism, bearing impeller assembly mechanism, back lid squeeze riveter mechanism, first unloading mechanism and second unloading mechanism.

Description

Fuel pump assembly line

Technical Field

The utility model belongs to the technical field of the machinery that becomes the combination unit with the part assembly of multiple difference, specifically speaking relate to a machinery of equipment oil pump.

Background

The fuel pump comprises an upper end cover assembly, a shell assembly, a rotor, an impeller, a bearing and a rear cover, and is of an electric fuel pump structure, wherein the shell assembly comprises magnetic sheets, a shell and a U-shaped clamp. How to assemble top end cover subassembly, casing subassembly, rotor, impeller, bearing and back lid into fuel pump is the technical problem who awaits urgent need to solve among the technical personnel in this field.

Disclosure of Invention

The utility model aims at providing a fuel pump assembly line, it is used for assembling into the fuel pump with upper end cover subassembly, casing subassembly, rotor, impeller, bearing, back lid.

In order to solve the technical problem, the utility model discloses a technical scheme is:

an oil pump assembly line comprises

The first die is used for bearing a workpiece;

the conveying line body is used for conveying the first die arranged on the conveying line body and enabling the first die to be intermittent when passing through a set station;

the upper end cover assembly feeding mechanism is used for grabbing the upper end cover assembly and placing the upper end cover assembly on the first mold;

the shell assembly feeding manipulator is used for installing the shell assemblies placed according to the preset circumferential angle position on the first die;

an upper end cover assembly mounting mechanism for mounting the upper end cover assembly to the upper end of the housing assembly;

the shell upper end closing mechanism is used for inwards bending the upper end of the shell in the shell assembly to reduce the caliber so as to fix the upper end cover assembly;

a magnetizing mechanism for magnetizing a magnetic sheet (an accessory of a fuel pump) in the housing assembly;

a rotor mounting mechanism for mounting the rotor to a workpiece;

a bearing impeller fitting mechanism for fitting a bearing impeller assembly (a bearing and an impeller stacked together) to a workpiece (an upper end cover assembly, a housing assembly, and a rotor fitted together);

the impeller assembling mechanism is used for assembling an impeller on the workpiece with the rotor;

the rear cover assembling mechanism is used for assembling the rear cover on the workpiece;

the rear cover press riveting mechanism is used for bending the rear end of the shell in the shell assembly inwards to reduce the caliber so as to fix the rear cover;

and the first blanking mechanism is used for taking down the workpiece on the first die.

On the basis of the above scheme and as a preferable scheme of the scheme: the first mold comprises a substrate, a first jig and a second jig for bearing the shell assembly, and the first jig and the second jig are fixed on the substrate and arranged along the conveying direction of the conveying line body; the first jig comprises an outer sleeve, the upper end of the outer sleeve is provided with an opening and is in a cylindrical structure, and the outer sleeve is fixedly connected with the substrate; the inner sleeve is sleeved in the outer sleeve and slides in an axial limiting mode, the inner sleeve is releasably locked at the locking mechanism of the lower dead point, and the inner sleeve is pushed to the first spring of the upper dead point after the locking mechanism is unlocked.

On the basis of the above scheme and as a preferable scheme of the scheme: the conveying line body comprises a first line body guide rail and a second line body guide rail which is arranged in parallel with the first line body guide rail, and the third line body guide rail is mutually switched between a first position connected with the first line body guide rail and a second position connected with the second line body guide rail by means of a first guide rail position switching mechanism; switching the fourth wire body guide rail between a third position engaged with the second wire body guide rail and a fourth position engaged with the first wire body guide rail by means of a second guide rail position switching mechanism; the friction block mechanism is used for contacting with the first conveyor belt mechanism or the second conveyor belt mechanism corresponding to the position and forming friction transmission.

On the basis of the above scheme and as a preferable scheme of the scheme: the upper end cover assembly feeding mechanism comprises a first machine vision system, a first upper cover assembly feeding manipulator, a second upper cover assembly feeding manipulator and a first discharging mould; the first upper cover assembly feeding manipulator is used for grabbing the upper cover assembly from a material box to the first discharging mould; the second upper cover assembly feeding manipulator is used for grabbing the upper cover assembly from the first discharging mould onto the first mould; the first discharging die is connected with the output end of the first motor, and the first machine vision system is used for detecting the circumferential position of the upper end cover and taking the circumferential position as the basis for controlling the first motor, so that the upper end cover assembly stops at the set circumferential position.

On the basis of the above scheme and as a preferable scheme of the scheme: casing subassembly material loading manipulator includes fourth linear module, fifth linear module and third finger cylinder, and wherein, fourth linear module and fifth linear module are mutually perpendicular and set up, and one among fourth linear module and the fifth linear module is used for controlling the displacement of the horizontal direction of third finger cylinder, and another is used for controlling the displacement of the direction of height of third finger cylinder.

On the basis of the above scheme and as a preferable scheme of the scheme: the upper end cover assembly mounting mechanism comprises a fixed upper end cover assembly mounting rack, a first press is fixed on the upper end cover assembly mounting rack, a first pressing head capable of adsorbing the upper end cover assembly is fixed at the output end of the first press, and the first pressing head is switched between a position right opposite to a first jig on a first die and a position right opposite to a second jig on the first die by means of a first position switching mechanism.

On the basis of the above scheme and as a preferable scheme of the scheme: the rotor mounting mechanism comprises a rotor manipulator and a rotor cleaning mechanism; the rotor manipulator grabs the rotor from the material box and installs the rotor on the workpiece, and is used for placing the rotor into the rotor cleaning mechanism to clean the rotor in the period, wherein the rotor cleaning mechanism comprises a rotor cleaning box, one end part of the rotor is inserted into the cleaning box, two air nozzles are further arranged on the cleaning box, one air nozzle is communicated with the compressor system, and the other air nozzle is communicated with the negative pressure system.

On the basis of the above scheme and as a preferable scheme of the scheme: the bearing impeller assembling mechanism comprises a second machine vision system, a first bearing impeller feeding mechanical arm, a second discharging mold and a fourth motor; the second machine vision system is used for detecting the circumferential position of the bearing impeller assembly and taking the circumferential position as a basis for controlling the fourth motor so as to stop the bearing impeller assembly at a set circumferential position; the first bearing impeller feeding manipulator is used for grabbing the bearing impeller assembly onto the second discharging mould from the material box; and the second bearing impeller feeding manipulator is used for grabbing the bearing impeller assembly from the second discharging mould and installing the bearing impeller assembly on the workpiece.

On the basis of the above scheme and as a preferable scheme of the scheme: the impeller assembling mechanism comprises a friction wheel, the friction wheel is fixedly connected with a probe seat, an axially movable probe is hung on the probe seat, the end part of the probe extends out of the friction wheel, and the probe seat is in transmission connection with an output shaft of a fifth motor; the fifth motor is driven by the output end of the thirteenth linear reciprocating motion mechanism integrally, so that the friction wheel moves from a position far away from the impeller to a position contacted with the impeller, a detection hole is arranged on the probe seat and is arranged along the moving direction vertical to the probe; the impeller assembling frame is fixed with a photoelectric switch opposite to the detection hole; when the top of the probe triggers the photoelectric switch, the luminous switch sends a signal as a control parameter for stopping the rotation of the fifth motor; the first mounting frame is fixedly connected with the output end of the thirteenth linear reciprocating motion mechanism, the second mounting frame is connected with the first mounting frame in a sliding mode, the base is fixedly connected with the second mounting frame, the base is used for being in contact with the end portion of the shell, the second mounting frame is fixedly provided with a displacement sensor, the detection end of the displacement sensor is fixedly provided with a contact block, the contact block is used for being in contact with the impeller, and the second position switching mechanism is used for enabling the first jig to be switched to the position opposite to the contact block from the position opposite to the friction wheel.

On the basis of the above scheme and as a preferable scheme of the scheme: the rear cover assembling mechanism comprises a third machine vision system, a first rear cover feeding mechanical arm, a second rear cover feeding mechanical arm and a third discharging mould; the third machine vision system is used for detecting the circumferential position of the rear cover and taking the circumferential position as a basis for controlling the sixth motor so as to stop the rear cover at a set circumferential position; the first rear cover feeding manipulator is used for grabbing a rear cover from the material box to the third discharging mould; and the second rear cover feeding manipulator is used for grabbing the rear cover from the third discharging mould and installing the rear cover on the workpiece.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses a fuel pump assembly line has adopted first mould, the conveying line body, upper end cap subassembly feed mechanism, casing subassembly feeding manipulator, upper end cap subassembly installation mechanism, casing upper end binding off mechanism, magnetism mechanism, rotor installation mechanism, bearing impeller assembly mechanism, back lid assembly mechanism and back lid squeeze riveter to construct, can assemble upper end cap subassembly, casing subassembly, rotor, impeller, bearing, back lid into the fuel pump.

Drawings

Fig. 1 is a schematic structural diagram of the first mold of the present invention.

Fig. 2 is a schematic sectional structure diagram of the first mold of the present invention.

Fig. 3 is a schematic sectional structure diagram of the first mold of the present invention.

Fig. 4 is a schematic structural view of the conveyor line body of the present invention.

Fig. 5 is a schematic structural diagram of the feeding mechanism of the upper end cover assembly of the present invention.

Fig. 6 is a schematic structural diagram of the casing assembly loading manipulator of the present invention.

Fig. 7 is a schematic structural diagram of the upper end cover assembly mounting mechanism of the present invention.

Fig. 8 is a schematic structural view of the shell upper end closing mechanism of the present invention.

Fig. 9 is a schematic structural diagram of the magnetizing mechanism of the present invention.

Fig. 10 is a schematic structural view of the rotor mounting mechanism of the present invention.

Fig. 11 is a schematic structural view of the bearing impeller mounting mechanism of the present invention.

Fig. 12 is a schematic structural view of the impeller mounting mechanism of the present invention.

Fig. 13 is a sectional view of a partial structure of the impeller mounting mechanism of the present invention.

Fig. 14 is a schematic structural view of the rear cover assembly mechanism of the present invention.

Fig. 15 is a schematic structural view of the rear cover press-riveting mechanism of the present invention.

Fig. 16 is a schematic structural view of the first blanking mechanism of the present invention.

Fig. 17 is a schematic structural view of a second blanking mechanism of the present invention.

Fig. 18 is a schematic structural view of the fuel pump.

Detailed Description

In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.

The utility model discloses a fuel pump assembly line, it is used for assembling oil pump spare part into the oil pump.

The utility model discloses in, the fuel pump assembly line includes that first mould 01, transfer line body 02, upper end cap subassembly feed mechanism 03, casing assembly feed manipulator 04, upper end cap subassembly installation mechanism 05, casing upper end binding off mechanism 06, magnetism charging mechanism 07, rotor installation mechanism 08, bearing impeller assembly devices 09, impeller assembly devices 10, back lid assembly devices 11, back lid squeeze riveter constructs 12, first feed mechanism 13 and second feed mechanism 14.

The first mold 01 is mounted on the conveyor line body 02 and used for carrying a workpiece.

The first mold 01 includes a substrate 015, a first jig 012 and a second jig 013, wherein the first jig 012 and the second jig 013 are linearly arranged. Normally, the first jig 012 is in front, and the second jig 013 is in rear. It should be noted that the terms "front" and "rear" are defined with reference to the direction of the linear transport.

The first jig 012 and the second jig 013 are both provided for workpiece installation.

Specifically, the first mold 01 includes a slider 011, a substrate 015 is fixed to the slider 011, and first jigs 012 and a second jig are fixed to the substrate 015

The second jig 013 and the base plate 015 are further fixed with a friction block mechanism 014.

As shown in the figure, the first fixture 012 includes an outer cover 0121, an upper end of the outer cover 0121 has an opening and is in a cylindrical structure, and the outer cover 0121 is fixedly connected to the substrate 015. An inner sleeve 0122 which slides in an axial limiting mode is sleeved inside the outer sleeve 0121, the inner sleeve 0122 is locked at the lower dead center by the locking mechanism, and the inner sleeve 0122 unlocked by the locking mechanism is pushed to the upper dead center by a first spring 018. As shown in the figure, one end of the first spring is abutted against the base plate, and the other end of the first spring is abutted against the inner sleeve. When the inner sleeve 0122 is located at the top dead center, the inner sleeve 0122 is used for supporting the upper end cover assembly, when the inner sleeve 0122 is located at the bottom dead center, the part of the workpiece inserted into the first jig is more, so that the workpiece is reliably installed on the first jig for corresponding processing, and the workpiece can be protected.

As shown in the figure, the outer sleeve 0121 is provided with a limiting groove 0123, the inner sleeve 0122 is fixed with a limiting column 0124, the limiting column 0124 can slide in the limiting groove 0123 along the length direction, and the circumferential relative positions of the outer sleeve 0121 and the inner sleeve 0122 are also limited by the structures of the limiting groove 0123 and the limiting column 0124. In this embodiment, the inner diameter of the outer sleeve 0121 is slightly larger than the outer diameter of the housing (component of the fuel pump), and the inner diameter of the inner sleeve 0122 is smaller than the outer diameters of the housing and the upper end cap assembly (component of the fuel pump). In this way, the workpiece can be supported on the inner jacket 0122.

In this embodiment, the locking mechanism comprises a spring seat 0125, the spring seat 0125 being fixed in a hole of the inner sleeve 0122, the hole extending radially along the inner diameter. One end of the second spring (not shown in the figure) abuts against the spring seat 0125, and the other end of the second spring abuts against the marble 0126. A marble hole 0127 for partially fitting the marble 0126 is provided in the outer jacket 0121 and located at the lower part of the outer jacket 0121. Specifically, when the inner sleeve 0122 moves downward, the balls 0126 are pressed into the ball holes 0127 by the second spring, so that the inner sleeve 0122 is fixed relative to the outer sleeve 0121 and the inner sleeve 0122 is located at the bottom dead center. When the marble 0126 is separated from the marble hole 0127, the inner sleeve 0122 moves upward under the action of the second spring, and the inner sleeve 0122 is limited by the limiting mechanism to be located at the top dead center after moving upward.

In this embodiment, the first connection terminal 0128 is fixed to the substrate 015, and the first connection terminal is in clearance fit with the first connection terminal hole 0129 of the inner cover 0122, and when the inner cover 0122 is located at the bottom dead center, the first connection terminal contacts with an electrode on the workpiece. Generally, the first connection terminal is of an elastically stretchable structure. In this embodiment, there are two first terminals, each of which is in contact with an electrode of the workpiece.

The first wire terminals 0128 are electrically connected to lead wires (not shown), and the ends 01291 of the lead wires are exposed outside the substrate 015. Thus, the fuel pump can be directly detected at the end of the lead wire, for example, the resistance value of the fuel pump can be detected.

The second jig 013 is generally cylindrical and is provided for the rear end of the housing to be sleeved. A notch 0131 is also provided in the cylindrical structure to accommodate the rear end structure of the housing.

The utility model discloses in, the transfer line body 02 for carry first mould 01 and make it intermittent type when passing through the station of settlement in proper order. The conveyor line body 02 is mounted on the frame.

In one embodiment, the conveyor wire body 02 includes a first wire guide 021, a second wire guide 022; as shown in the figures, the first and second wire guides 021 and 022 are both fixed to the chassis. The first wire guide 021 and the second wire guide 022 are arranged in parallel;

the third wire guide 023, which is disposed in the same direction as the first wire guide 021 and the second wire guide 022 and is located at one end of the first wire guide 021 and the second wire guide 022, is switched between a first position engaged with the first wire guide 021 and a second position engaged with the second wire guide 022 by the first guide position switching mechanism 025. When the third wire guide 023 is at the first position, i.e. the third wire guide 023 is engaged with the first wire guide 021, the third wire guide 023 and the first wire guide 021 are linearly arranged, and at this time, the first mold 01 on the first wire guide 021 can slide onto the third wire guide 023. When the third line body guide 023 is in the second position, i.e. the third line body guide 023 is engaged with the second line body guide 022, the third line body guide 023 and the second line body guide 022 are in linear arrangement, and at this time the first mold 01 on the third line body guide 023 can slide onto the second line body guide 022. In this way, the first mold 01 on the first wire guide 021 can be swung onto the second wire guide 022 by the structure of the first guide position switching mechanism 025.

The fourth wire body guide rail 024 disposed in the same direction as the first wire body guide 021 and the second wire body guide 022 and at the other end of the first wire body guide 021 and the second wire body guide 022 is switched between a third position engaged with the second wire body guide 022 and a fourth position engaged with the first wire body guide 021 by the second guide rail position switching mechanism 026. When the fourth wire body guide 024 is in the third position, i.e., the fourth wire body guide 024 is engaged with the second wire body guide 022, the fourth wire body guide 024 is in a linear arrangement with the second wire body guide 022, and the first mold 01 on the second wire body guide 022 can slide onto the fourth wire body guide 024. When the fourth wire guide 024 is in the fourth position, that is, the fourth wire guide 024 is engaged with the first wire guide 021, the fourth wire guide 024 is linearly arranged with the first wire guide 021, and at this time, the first mold 01 on the fourth wire guide 024 can slide onto the first wire guide 021. Thus, the structure of the fourth wire body guide 024 that is moved by the control of the second guide position switching mechanism 026 can ferry the first mold 01 on the second wire body guide 022 to the first wire body guide 021.

It will be appreciated that in a particular application, the working path of the first mold 01 is established by the first wire body guide 021, the controllably movable third wire body guide 023, the second wire body guide 022 and the controllably movable fourth wire body guide 024 such that the first mold 01 can be cycled on the oil pump assembly line for loading a workpiece.

In the present embodiment, the first guide rail position switching mechanism 025 includes a first linear reciprocating mechanism in a horizontal direction and a second linear reciprocating mechanism in a vertical direction. The third line body guide is connected to the output of the second linear reciprocating motion mechanism in the first guide position switching mechanism 025, whereby the third line body guide is lifted during the switching position. The second linear reciprocating mechanism is arranged on the output end of the first linear reciprocating mechanism.

The second guide position switching mechanism 026 includes a third linear reciprocating motion mechanism in a horizontal direction and a fourth linear reciprocating motion mechanism in a vertical direction. The fourth linear guide rail is connected to the output of the fourth linear reciprocating motion mechanism in the second guide rail position switching mechanism 026, whereby the fourth linear guide rail is lifted during position switching. The fourth linear reciprocating mechanism is arranged on the output end of the third linear reciprocating mechanism.

In this embodiment, the conveyor line body 02 further includes a first conveyor belt mechanism 027 and a second conveyor belt mechanism 028. First conveyer belt mechanism 027 is used for driving the first mould 01 that is located on first line body guide rail 021, third line body guide rail 023 and fourth line body guide rail 024 and removes. The second conveyor belt mechanism 028 is used for driving the first mold 01 located on the second thread body guide rail 022, the third thread body guide rail 023 and the fourth thread body guide rail 024 to move.

First conveyer belt mechanism 027 includes first motor 0271, first synchronous belt, a plurality of first synchronous pulley and first idler, and first synchronous belt is located the side of first line body guide rail 021, and both are parallel arrangement. The first synchronous belt and the plurality of first synchronous pulleys form a synchronous belt transmission mechanism, and the output end of the first motor is in transmission connection with the first synchronous pulleys and used for controlling the operation of the first conveying belt mechanism 027.

The second conveyer belt mechanism 028 includes second motor 0281, second hold-in range, a plurality of second synchronous pulley and second idler, and the second hold-in range is located the side of second line body guide rail 022, and both are parallel arrangement. The second hold-in range and a plurality of second synchronous pulley form hold-in range drive mechanism, and the output and the second synchronous pulley transmission of second motor are connected for control second conveyer belt mechanism 028 moves.

In one embodiment, the low friction material 029 is disposed on the frame at both sides of the first and second wire guides 021 and 022, and the low friction material at the sides of the first wire guide 021 is used for the first timing belt to adhere to. The low friction coefficient material located on the side of the second linear guide 022 is used for the second synchronous belt to adhere to. Generally, POM, PTFE, etc. are selected as the low coefficient of friction material.

When specifically in use, the first synchronous belt and the second synchronous belt both run against the low friction coefficient material to provide reaction force to the first synchronous belt and the second synchronous belt, so that sufficient friction force is provided between the first mold 01 and the first synchronous belt and between the first mold 01 and the second synchronous belt, and thereby the first synchronous belt and the second synchronous belt drive the first mold 01 to move respectively.

The slide block 011 is matched with a linear guide rail in the conveying line body 02, and the slide block and the linear guide rail form a guide rail pair.

The friction block mechanism 014 is used for contacting with the synchronous belt in the linear guide rail to make the synchronous belt and the linear guide rail form friction transmission, so that the first mold 01 is driven to move along the linear guide rail.

The friction block mechanism 014 is used for contacting with the first conveyor belt mechanism or the second conveyor belt mechanism corresponding to the position and forming friction transmission. That is, when the first die is positioned on the first linear guide, the friction block mechanism contacts the first conveyor belt mechanism and forms a friction drive, and when the first die is positioned on the second linear guide, the friction block mechanism contacts the second conveyor belt mechanism and forms a friction drive.

Specifically, the friction block mechanism 014 includes a friction block 0141, the friction block 0141 being slidably connected to the base plate 015, typically, below the base plate. A third spring 0142 is provided between the friction block and the base plate 015, and the friction block 0141 is pressed against the timing belt of the conveyor wire body 02 by the third spring 0142, so that the friction block obtains sufficient friction to drive the first mold 01.

A positioning block 016 is arranged on the base plate 015 and is used for being matched with the stopper, so that the first mold 01 is stopped by the stopper in a controllable manner and is intermittent to form a corresponding processing station.

A lock 017 is fixed to the base plate 015 and is engaged with the pin to be locked with each other in the conveying direction of the conveyor line, whereby the first mold 01 is dragged by the position switching mechanism.

An upper cap assembly feed mechanism 03 for grasping the upper cap assembly (the upper cap assembly 030 is a component of a fuel pump assembled with other components into a fuel pump) and placing it on the first mold 01.

As shown in fig. 5, the upper cover assembly feeding mechanism 03 includes a first magazine stacker 031, a second magazine stacker 032, a first material moving table 033, a first machine vision system 034, a first upper cover assembly feeding manipulator 035, a second upper cover assembly feeding manipulator 036, a first material placing mold 037, a fifth linear reciprocating mechanism 038, and a sixth linear reciprocating mechanism 039.

The first magazine stacker 031 is used to stack magazines on which upper end cap assemblies (fittings for assembly into fuel pumps) have been placed. The second magazine stacker 032 is used to stack the magazines from which the upper lid assembly has been removed.

As shown in the figure, the first material box stacking rack 031 includes a first material rack 0311, and the first material rack can hold a plurality of material boxes that are placed in order to stack vertically, is equipped with slidable fender material pole on the first material rack, and the activity direction perpendicular to material box's of fender material pole stacking direction keeps off the material pole and is connected with the piston rod of first material cylinder 0312. When the material storage device works, when the piston rod of the first material cylinder 0312 extends out, the piston rod pushes the material blocking rod, so that the upper edge of a material box is lapped on the material blocking rod, and the material box is supported on the first material box stacking rack 031; when the piston rod of the first material cylinder 0312 retracts, the piston rod drives the striker rod to reset, so that the upper edge of the material box is separated from the striker rod, and the material box moves downwards through the position of the striker rod.

When specifically using, the piston rod of first material cylinder 0312 retracts, and first material moving platform 033 holds in the palm the magazine this moment, and the magazine wholly moves down, and only after the magazine of below passes through, the piston rod of first material cylinder 0312 stretches out and promotes the striker rod, borrows this, remaining magazine is supported on first magazine piling bin 031.

As shown in the figure, the second material rack 032 includes a second material rack 0321, the second material rack can accommodate a plurality of material racks stacked vertically, the material blocking block 0322 is rotatably disposed on the second material rack, a supporting block is fixed below the material blocking block for supporting the material blocking block, and when the material blocking block is supported on the supporting block, the material blocking block is perpendicular to the height direction of the second material rack to form a state of supporting the material racks. When the material blocking block is turned over towards the inner side of the second material box stacking rack 032, namely, in a state of supporting the material box, the upper edges of the material supply boxes at the end parts of the material blocking block are lapped to support the material box. The material blocking block is always in a state of supporting the material box by virtue of the first torsion spring.

In this way, a magazine can be put in from below the second magazine stacker 032. When concrete application, the magazine moves from the below of second magazine piling bin 032 to the top, and the last edge that the magazine touches keeps off the material piece and makes it folded in, and the magazine continues to go upward, and the last edge of magazine is crossed and is kept off the material piece, and up to the last edge of magazine and keep off the material piece phase separation, keeps off the material piece and is the state of holding in the palm the magazine under the effect of first torsional spring, borrows this to keep off the material piece and hold in the palm the magazine.

The sixth linear reciprocating mechanism 039 is installed at the output end of the fifth linear reciprocating mechanism 038, and the first material moving table 033 is fixedly connected with the output end of the sixth linear reciprocating mechanism 039. The first magazine stacker 031 and the second magazine stacker 032 are arranged on a movement path of an output end of the fifth linear reciprocating mechanism 038. By means of the fifth linear reciprocating mechanism 038, the first material moving table 033 has a first position below the first magazine stacker 031, a second position below the second magazine stacker 032, and a third position staggered from the first magazine stacker 031 and the second magazine stacker 032 to form a material supply position.

When the first material moving table 033 is located at the first position, the output end of the sixth linear reciprocating mechanism 039 extends to drive the first material moving table 033 to move upwards to hold the material box, at this time, the first material cylinder 0312 retracts, during the retracting process of the output end of the sixth linear reciprocating mechanism 039, the first material cylinder 0312 extends, the output end of the sixth linear reciprocating mechanism 039 continues to retract, then the first material moving table 033 is moved to the third position, the output end of the sixth linear reciprocating mechanism 039 extends, the first upper cover assembly feeding manipulator 035 is used to grab the upper cover assembly in the material box placed on the first material moving table 033, the first upper cover assembly feeding manipulator 035 grabs the upper cover assembly onto the first material placing mold 037, after the upper cover assembly on the material box is completely picked, the output end of the sixth linear reciprocating mechanism 039 retracts, the first material moving table 033 is moved to the second position, the output end of the sixth linear reciprocating mechanism 039 extends out and the material box is placed into the second material box stacking rack 032, and after completion, the output end of the sixth linear reciprocating mechanism 039 retracts; the first transfer table 033 is then transferred to the first position for the next cycle of operation.

In this embodiment, the first discharging mold 037 is connected to an output end of the first motor, and the first machine vision system 034 is configured to detect a circumferential position of the upper end cover as a basis for controlling the first motor, so that the upper end cover assembly stops at a set circumferential position.

In this embodiment, the first upper cover assembly feeding manipulator 035 is used for grabbing the upper cover assembly from the magazine onto the first discharging mold 037; the second upper cover assembly feeding manipulator 036 is used for grabbing the upper cover assembly from the first discharging mold 037 onto the first mold 01. The first and second cover assembly feeding manipulators 035 and 036 have both horizontal and vertical movements in transferring the cover assemblies.

In this embodiment, the first lid assembly feeding robot 035 includes a first linear module, a second linear module, and a first finger cylinder. The second upper cover assembly feeding manipulator 036 includes a third linear module, a linear reciprocating mechanism, and a second finger cylinder. It should be noted that the first cover assembly feeding manipulator 035 and the second cover assembly feeding manipulator 036 are conventional technologies, and will not be described in detail herein.

A first stopper is provided on the rack to stop one first mold 01 on the first wire guide 021 to be intermittent, whereby the upper cover assembly is placed on the first mold 01 by a second upper cover assembly feeding robot 036.

And the shell assembly feeding manipulator 04 is configured to mount the shell assemblies 040 placed at predetermined circumferential angle positions on the first mold 01. The shell assembly is a spare and accessory part of the fuel pump and comprises a shell, a magnetic sheet and a U-shaped clamp.

In the present embodiment, the housing assembly loading robot 04 includes a fourth linear module 041, a fifth linear module 042, and a third finger cylinder 043. The fourth linear module 041 and the fifth linear module 042 are disposed perpendicular to each other, one of which is used for controlling the displacement of the third finger cylinder 043 in the horizontal direction, and the other is used for controlling the displacement of the third finger cylinder 043 in the height direction. Such a housing assembly loading robot 04 is conventional in the art and will not be described in detail herein.

The side of line body guide rail 02 is equipped with the second stopper for block the first mould 01 that comes on first line body guide rail 021, make its intermittent type, borrow this to place the casing subassembly on first mould 01 by casing subassembly material loading manipulator 04. In this way, a housing assembly feeding station is formed at the position of the body guide rail where the second stopper is provided.

Before placing the shell assembly to the second fixture, clean the shell assembly through clean mechanism 044 of blowing.

It should be noted that the shell assembly is placed at a predetermined circumferential angle for the shell assembly loading robot to grasp. The circumferential position of the shell assembly can be identified through a machine vision system, and the circumferential position of the shell assembly is adjusted through a motor.

Upper end cap assembly mounting means 05 for mounting the upper end cap assembly 050 to the upper end of the housing assembly.

The upper end cover assembly mounting mechanism 05 comprises a fixed upper end cover assembly mounting frame 051, a first pressing machine 052 is fixed on the upper end cover assembly mounting frame 051, a first pressing head 053 capable of adsorbing the upper end cover assembly is fixed at the output end of the first pressing machine 052, and the first pressing head 053 is switched between a position right opposite to a first jig 012 on the first mold 01 and a position right opposite to a second jig 013 on the first mold 01 by means of a first position switching mechanism 054.

In this embodiment, the first press is a servo press.

And a third stopper is arranged on the frame and has a distance with the second stopper, and the third stopper is used for stopping the first mold 01 approaching on the first conductor guide rail to make the first mold intermittent to form an upper end cover mounting station, so that the upper end cover assembly is assembled on the upper end of the shell assembly by the upper end cover assembly mounting mechanism.

In this embodiment, the first position switching mechanism 054 includes a first switching cylinder 0541, a second switching cylinder 052 and a first pin 053, wherein the first pin is fixedly connected to an output end of the first switching cylinder, the first switching cylinder is installed at an output end of the second switching cylinder, and the second switching cylinder is installed on the frame. The output end moving direction of the first switching air cylinder is perpendicular to the output end moving direction of the second switching air cylinder. When the output end of the first switching cylinder extends out, the first pin is inserted into the first lock catch; when the output end of the first switching cylinder retracts, the first pin is disengaged from the first lock. After the first pin is inserted into the first lock catch, the second switching cylinder works to drag the first mold 01, so as to change the relative position relationship between the first pressing head 053 and the first and second jigs 012, 013.

In order to make the first ram 053 adhere to the upper cap assembly, in this embodiment, the first ram 053 has a concave cavity, the open end of the concave cavity is used for contacting with the upper cap assembly to close the concave cavity, and the vacuum system for generating negative pressure is connected to the concave cavity, so that the concave cavity generates negative pressure to adhere to the upper cap assembly.

In this embodiment, when the first mold 01 is blocked by the third stopper, the first ram 053 is opposite to the second jig 013, the first position switching mechanism 054 works to make the first ram 053 opposite to the first jig 012, the servo press controls the first ram 053 to move downward, the first ram 053 contacts the upper end cap assembly and adsorbs the upper end cap assembly, the first switching cylinder in the first position switching mechanism 054 works to separate the first pin from the first latch, the first mold 01 is moved by the first conveying belt mechanism 027 and then blocked by the third stopper again, at this time, the first ram 053 is opposite to the second jig 013, the servo press controls the first ram 053 to move downward again, and the upper end cap assembly is pressed on the upper end of the housing assembly.

And a shell upper end closing mechanism 06 for bending the shell upper end of the shell assembly inwards to reduce the caliber so as to fix the upper end cover assembly.

The shell upper end closing mechanism 06 comprises a closing pressing frame 061, a closing pressing machine 062 and an upper end closing die 063.

The upper end necking die 063 sleeved on the upper end of the shell is provided with a conical surface part for necking the upper end of the shell. The upper end closing-up die 063 is fixedly connected with the output end of the closing-up press 062, and the closing-up press 062 is arranged on the closing-up press frame 061.

In specific application, under the action of the closing-in press, the closing-in die 063 at the upper end moves downward to contact with the upper end of the shell until the upper end of the shell is extruded by the conical surface part to deform and reduce the caliber, so that the upper end of the shell is buckled with the upper end cover assembly.

In this embodiment, the shell upper end necking mechanism 06 further includes a first cleaning cover 064 connected to the output end of the necking press, a rotatable first cleaning brush is disposed in the first cleaning cover 064, and the first cleaning brush is in transmission connection with a third motor 065; on the cleaning hood, a plurality of first air nozzles 066 are also provided on the first cleaning hood, one part of which is in communication with the compressor system and the other part of which is in communication with the negative pressure system. Thus, there is formed blowing air and also suction air in the first air nozzle, thereby preventing the cleaned workpiece from being secondarily contaminated.

When the closing-in press is applied specifically, after the output end of the closing-in press extends out, the workpiece on the second jig extends into the first cleaning cover to receive cleaning.

And a fourth stopper is arranged on the rack, and a distance is reserved between the fourth stopper and the third stopper, so that the first mold 01 coming from the first conductor guide rail is stopped, the first mold is intermittent, a shell upper end closing station is formed, and therefore, the shell upper end closing mechanism closes the upper end of the shell assembly.

And a magnetizing mechanism 07 for magnetizing a magnetic sheet (a fitting of a fuel pump) in the housing assembly.

The magnetizing mechanism 07 comprises a magnetizing manipulator 071, a magnetizing device 072 and a turning manipulator 073. The magnetizing manipulator 071 is used to grasp the workpiece (the upper end cover assembly and the housing assembly are assembled together) on the second jig 013 to the magnetizing device 072. The magnetizing device 072 is used for magnetizing the magnetic sheets in the workpiece. The magnetizing manipulator 071 is also used to place the magnetized workpiece onto the first fixture 012 on the first mold 01 again.

In this embodiment, the magnetizing manipulator 071 comprises a magnetizing frame 0711, a sixth linear reciprocating mechanism 0712, a seventh linear reciprocating mechanism 0713, an eighth linear reciprocating mechanism 0714 and a fourth finger cylinder 0715.

The fourth finger cylinder 0715 is mounted on the output end of the eighth linear reciprocating mechanism 0714, the eighth linear reciprocating mechanism 0714 is mounted on the output end of the seventh linear reciprocating mechanism 0713, the seventh linear reciprocating mechanism 0713 is mounted on the output end of the sixth linear reciprocating mechanism 0712, and the sixth linear reciprocating mechanism 0712 is mounted on the magnetizing rack.

The overturning mechanical arm adopts a grabbing swing cylinder, and is installed on the magnetizing rack 0711.

In specific application, a workpiece is positioned on a second jig 013, a fourth finger cylinder 0715 is moved to the upper side of the second jig 013 by an output end of a sixth linear reciprocating mechanism 0712, the seventh linear reciprocating mechanism 0713 moves downwards to enable the fourth finger cylinder 0715 to grasp the workpiece, then the seventh linear reciprocating mechanism 0713 and the sixth linear reciprocating mechanism 0712 are matched with each other, the workpiece is placed on a magnetizing device 072 by the fourth finger cylinder 0715 so that the magnetizing device 072 magnetizes the workpiece, after the workpiece is completely grasped, the fourth finger cylinder 0715 grasps the workpiece again, the seventh linear reciprocating mechanism 0713 and the sixth linear reciprocating mechanism 0712 are matched with each other, the workpiece is placed on a grasping swing cylinder clamping position (position corresponding to the grasping swing cylinder opening) by the fourth finger cylinder 0715, the workpiece is grasped by the grasping swing cylinder and overturned by 180 degrees, and then the workpiece is grasped by the fourth finger cylinder 5, then, the seventh linear reciprocating mechanism 0713, the sixth linear reciprocating mechanism 0712 and the eighth linear reciprocating mechanism 0714 cooperate with each other to insert the workpiece into the first jig 012.

It should be noted that the stroke of the eighth linear reciprocating mechanism 0714 is adapted to the distance between the first jig 012 and the second jig 013.

And a fifth stopper is arranged on the frame, and a distance is reserved between the fifth stopper and the fourth stopper, so that the fifth stopper is used for stopping the first mold 01 approaching on the first conductor guide rail, so that the first mold is intermittent to form a magnetizing station, and the magnetizing mechanism magnetizes the magnetic sheet.

A rotor mounting mechanism 08 for mounting the rotor 080 to a workpiece.

The rotor mounting mechanism 08 includes a rotor robot 081. The rotor robot 081 grabs the rotor from the magazine and mounts it to the workpiece.

In the present embodiment, the rotor robot 081 includes a rotor mounting frame 0811, a ninth linear reciprocating motion mechanism 0812, a tenth linear reciprocating motion mechanism 0813, an eleventh linear reciprocating motion mechanism 0814, and a fifth finger cylinder 0815.

A fifth finger cylinder 0815 is mounted on an output end of an eleventh linear reciprocating motion mechanism 0814, the eleventh linear reciprocating motion mechanism 0814 is mounted on an output end of a tenth linear reciprocating motion mechanism 0813, the tenth linear reciprocating motion mechanism 0813 is mounted on an output end of a ninth linear reciprocating motion mechanism 0811, and the ninth linear reciprocating motion mechanism 0812 is mounted on a rotor mounting frame 0811. The moving direction of the output end of the ninth linear reciprocating mechanism 0812 is perpendicular to the moving direction of the output end of the tenth linear reciprocating mechanism 0813, for positioning in the horizontal direction to obtain the rotor on the cartridge and to obtain the installation position in the horizontal direction.

In this embodiment, the rotor mounting mechanism 08 further includes a rotor cleaning mechanism 082 that also cleans an end of the rotor that is mounted to the head assembly by inserting the rotor into the chamber and sucking and blowing.

The rotor cleaning mechanism 082 includes a rotor cleaning tank 0821, the cleaning tank 0821 being inserted by an end of the rotor. Specifically, a hole is provided in the cleaning tank, and one end portion of the rotor is inserted through the hole. Two air nozzles 0822 are also arranged on the cleaning box, wherein one air nozzle is communicated with the compressor system, and the other air nozzle is communicated with the negative pressure system. To prevent secondary contamination of the cleaned, post-consumer rotor.

It should be noted that the rotor robot 081 inserts the rotor into the cleaning tank for cleaning and then mounts the rotor onto the workpiece after grasping the rotor. That is, after the rotor robot 081 grips the rotor, the tenth linear reciprocating motion mechanism 0813 lifts the fifth finger cylinder 0815, and then moves it above the cleaning tank by the ninth linear reciprocating motion mechanism 0812.

And a sixth stopper is arranged on the frame, and a distance is reserved between the sixth stopper and the fifth stopper, and the sixth stopper and the fifth stopper are used for stopping the first mold 01 approaching on the first conductor guide rail to enable the first mold to be intermittent so as to form a rotor assembling station, so that the rotor installing mechanism is used for assembling the rotor on a workpiece.

In this embodiment, the rotor cleaning mechanism 082 also adopts a magazine storage structure, which is consistent with the structural principles of the first magazine stacker 031, the second magazine stacker 032, the first material moving platform 033, the fifth linear reciprocating mechanism 038 and the sixth linear reciprocating mechanism 039 in the upper end cover assembly feeding mechanism 03, and is not described herein again.

A bearing impeller fitting mechanism 09 for fitting the bearing impeller assembly (the bearing 090 and the impeller 0900 stacked together) to the workpiece (the upper end cover assembly, the housing assembly, and the rotor fitted together).

The bearing impeller assembling mechanism, as shown in the figure, includes a second machine vision system 091, a first bearing impeller feeding manipulator 092, a second bearing impeller feeding manipulator 093, a second discharging mold 094, and a fourth motor 095

In this embodiment, the second discharge mold 094 is connected to an output end of the fourth motor 095, and the second machine vision system 091 is configured to detect the circumferential position of the bearing impeller assembly as a basis for controlling the fourth motor 095, so that the bearing impeller assembly stops at the set circumferential position.

It is noted that in the bearing impeller assembly, the outer side of the bearing has a recess (as is the case with the existing oil pump structure) for the second machine vision system 091 to identify.

In this embodiment, the industrial camera and the illumination in the second machine vision system 091 are movably mounted, and the industrial camera and the illumination are driven by the linear reciprocating mechanism and moved above the second discharge mold 094 so that the second machine vision system 091 obtains a circumferential position where the bearing wheel can be identified. When the industrial camera and the lighting are driven away from the position above the second discharging mould 094, the bearing impeller is made to be free of a taking and placing space.

In this embodiment, the first bearing impeller feeding manipulator 092 is used to grab the bearing impeller assembly from the magazine onto the second discharging mold 094; the second bearing impeller feeding manipulator 093 is used to pick and mount the bearing impeller assembly from the second discharge mold 094 on the workpiece.

In the present embodiment, the first bearing impeller feeding robot 092 includes a fifth linear module, a sixth linear module, a twelfth linear reciprocating mechanism, and a sixth finger cylinder. The second bearing impeller feeding manipulator 093 includes a seventh linear module, an eighth linear module, and a seventh finger cylinder. It should be noted that the first bearing impeller feeding manipulator 092 and the rotor manipulator 093 work in a similar principle, and are not described in detail herein. The second bearing impeller feeding manipulator is conventional technology and is not described in detail here.

A seventh stopper is further provided on the frame for stopping one of the first molds 01 on the first wire guide 021 to be intermittent, whereby the bearing impeller assembly is mounted to the workpiece by the second bearing impeller loading robot 093.

In this embodiment, the bearing impeller assembly mechanism 09 also adopts a magazine storage structure, which is consistent with the structural principles of the first magazine stacker 031, the second magazine stacker 032, the first material moving table 033, the fifth linear reciprocating mechanism 038 and the sixth linear reciprocating mechanism 039 in the upper end cover assembly feeding mechanism 03, and is not described herein again.

An impeller mounting mechanism 10 for mounting the impeller 0900 on the workpiece to the rotor.

It should be noted that the shaft of the rotor is a flat shaft, the end of the shaft for assembling with the impeller is a flat head structure, and the shaft hole of the impeller is matched with the flat shaft, so that the impeller rotates along with the rotor.

By adopting the bearing impeller assembly mechanism, after the bearing impeller assembly is assembled on the workpiece, the impeller and the rotor of the bearing impeller assembly are possibly not assembled in place, and the impeller is assembled in place by the impeller assembly mechanism.

In this embodiment, the impeller mounting mechanism 10 includes an impeller mounting frame 101, a thirteenth linear reciprocating mechanism 102, a probe holder 103, a probe 104, a friction wheel 105, a fifth motor 106, and a photoelectric switch 107.

The friction wheel 105 is fixedly connected with the probe base 103, the probe 104 capable of moving axially is hung on the probe base 103, the end part of the probe 104 extends out of the friction wheel 105, a detection hole 1031 is arranged on the probe base 103, and the detection hole 1031 is arranged along the moving direction vertical to the probe 104. Generally, the test holes 1031 are provided in plural sets, and are arranged along the circumferential direction of the probe holder 103. The impeller mounting frame 101 has a photoelectric switch 107 fixed thereto so as to face the detection hole 1031. The probe seat 103 is in transmission connection with an output shaft of a fifth motor 106. The fifth motor 106 is integrally driven by the output end of the thirteenth linear reciprocating motion mechanism 102 to move the friction wheel 105 from a position away from the impeller to a position in contact with the impeller.

In operation, the output end of the thirteenth linear reciprocating mechanism 102 is extended to bring the friction wheel 105 into contact with the impeller, and at this time, the seventh motor 106 is operated to drive the friction wheel 105 to rotate slowly, and the impeller is driven by the friction wheel 105 to rotate accompanying the friction wheel 105 by the friction force, thereby allowing the impeller to obtain the fitting position in the circumferential direction to be fitted with the rotor. After the impeller is assembled with the rotor, the shaft of the rotor contacts the bottom end of the probe 104, so that the probe 104 is lifted up, and the top end of the probe 104 triggers the photoelectric switch 107 to send out a signal as a control parameter for stopping the operation of the fifth motor. In the present embodiment, the transmitting end and the receiving end of the photoelectric switch 107 are each fitted to one end of the detection hole. When the impeller and the rotor are assembled, the shaft hole on the impeller is occupied by the rotor, so that the probe 104 is jacked up by the rotor, the top of the probe 104 is blocked in the detection hole, and therefore the light beam emitted by the emitting end cannot be received by the receiving end, and the probe 104 triggers the photoelectric switch 107. When the impeller and the rotor are not assembled, the bottom end of the probe 104 extends into the shaft hole of the impeller, so that the top of the probe 104 is not blocked in the detection hole, and the light beam emitted by the emitting end is received by the receiving end.

In this embodiment, the photoelectric switch 107 is used as a signal parameter for controlling the retraction of the output end of the thirteenth linear reciprocating mechanism 102 to move the friction wheel 105 away from the impeller.

In this embodiment, the seventh motor is slidably connected to the output end of the thirteenth linear reciprocating mechanism, so that the friction wheel is elastically pressed against the impeller.

In the present embodiment, the impeller fitting mechanism 10 further includes a height detection mechanism 108 for detecting a height difference between the impeller end surface and the end surface of the housing rear end.

The height detection mechanism includes: the first mounting frame 1021 fixedly connected with the output end of the thirteenth linear reciprocating mechanism 102, the second mounting frame 1022 slidably connected with the first mounting frame, the base 1023 fixedly connected with the second mounting frame, the base is used for contacting with the end 100 of the housing, the second mounting frame is fixed with the displacement sensor 1024, the detection end of the displacement sensor is fixed with the contact block 1025, and the contact block is used for contacting with the impeller.

The height detection mechanism further comprises a second position switching mechanism 109 which comprises a third switching cylinder 1091, a fourth switching cylinder 1092 and a second pin 1093, wherein the second pin is fixedly connected with the output end of the third switching cylinder, the third switching cylinder is installed at the output end of the fourth switching cylinder and connected, and the fourth switching cylinder is installed on the rack. The output end moving direction of the third switching cylinder is perpendicular to the output end moving direction of the fourth switching cylinder. When the output end of the third switching cylinder extends out, the second pin is inserted into the first lock catch; when the output end of the third switching cylinder retracts, the second pin is disengaged from the first lock. After the second pin is inserted into the first lock catch, the fourth switching cylinder operates to drag the first mold 01, so that the first jig 012 is switched from a position opposite to the friction wheel to a position opposite to the contact block.

The displacement measured by the displacement sensor 1024 is compared with a threshold value, so as to determine whether the height difference between the impeller end surface and the housing end surface 100 meets the requirement.

In this embodiment, an eighth stopper is further provided on the frame to stop a first mold 01 on the first bobbin guide 021 to be intermittent, whereby the impeller is assembled with the rotor by the impeller assembling mechanism.

And a back cover assembling mechanism 11 for assembling the back cover 110 to the workpiece.

The rear cover assembling mechanism, as shown in the figure, includes a third machine vision system 111, a first rear cover feeding robot 112, a second rear cover feeding robot 113, and a third discharging mold 114.

In this embodiment, the third discharging mold 114 is connected to an output end of the sixth motor, and the third machine vision system 111 is configured to detect a circumferential position of the rear cover as a basis for controlling the sixth motor, so that the rear cover stops at the set circumferential position.

In the present embodiment, the industrial camera and the illumination in the third machine vision system 111 are movably installed, and the industrial camera and the illumination are driven and moved above the third discharging mold 114 by the linear reciprocating mechanism so that the third machine vision system 111 recognizes the circumferential position of the back cover. The industrial camera and lighting are driven out of position above the third discharge die 114 to make room for the bearing wheel.

In this embodiment, the first rear lid loading robot 112 is used to grab a rear lid from the magazine onto the third discharge mold 114; the second back cover loading robot 113 is used to pick up and mount the back cover from the third discharging mold 114 on the workpiece.

In this embodiment, the first rear cover loading robot 112 has a similar structure to the third loading robot, and thus, the description thereof is omitted. The second rear cover loading robot 113 includes a fourteenth linear reciprocating mechanism, a fifteenth linear reciprocating mechanism, and an eighth finger cylinder. The second back cover loading robot 113 is conventional and will not be described in detail herein.

An eighth stopper is further provided on the frame to stop a first mold 01 on the first wire guide 021 to be intermittent to form a rear cover assembling station, whereby the rear cover is mounted to the workpiece by the second rear cover feeding robot 113.

The rear cover assembling mechanism 11 further comprises a servo press 114, a gland 115 for contacting with a workpiece is fixed at an output end of the servo press 114, the gland is matched with the rear cover, and the gland driven by the servo press presses the rear cover into the rear end of the shell (the end part of the shell for assembling the rear cover).

Rear cover assembly devices 11 still includes second position switching mechanism 116, and it includes fifth switches cylinder 1161, sixth switches cylinder 1162 and third round pin post, and wherein, the output fixed connection of third round pin post and fifth switches cylinder, and the output at the sixth switches cylinder is installed to the fifth switches cylinder, and the sixth switches cylinder is installed in the frame. The output end moving direction of the fifth switching cylinder is perpendicular to the output end moving direction of the sixth switching cylinder. When the output end of the fifth switching cylinder extends out, the third pin is inserted into the first lock catch; when the output end of the fifth switching cylinder retracts, the third pin is disengaged from the first latch. After the third pin is inserted into the first lock catch, the sixth switching cylinder operates to drag the first mold 01, so that the first jig 012 is opposite to the press cover.

In this embodiment, the rear cover assembling mechanism 082 also adopts a magazine storage structure for providing the rear cover, and the rear cover assembling structure is consistent with the structural principles of the first magazine stacker 031, the second magazine stacker 032, the first material moving platform 033, the fifth linear reciprocating mechanism 038 and the sixth linear reciprocating mechanism 039 in the upper end cover assembly feeding mechanism 03, and will not be described herein again.

And a back cover squeeze-riveting mechanism 12 for bending the back end of the shell in the shell component inwards to reduce the caliber so as to fix the back cover.

The rear cover squeeze-riveting mechanism 12 comprises a squeeze-riveting rack 121, a press 122 fixedly connected with the squeeze-riveting rack 121, a closing-up pressure head 123 fixedly connected with the output end of the press, and a closing-up pressure head 123 sleeved at the rear end of the shell is provided with a conical surface part and used for necking the rear end of the shell, so that the rear cover is reliably fixed with the shell.

In this embodiment, a ninth stopper is further disposed on the frame, and is used to stop a first mold 01 on the first wire guide 021, so that the first mold is intermittent, and a back cover squeeze-riveting station is formed, so that the back cover squeeze-riveting mechanism 12 closes the workpiece to rivet the back cover.

The rear cover squeeze riveting mechanism 12 further comprises a first cleaning cover 124 connected with the output end of the press, a rotatable first cleaning brush is arranged in the first cleaning cover, and the first cleaning brush is in transmission connection with a seventh motor 125; a plurality of first air nozzles 126 are also provided on the first cleaning cover, one portion of which is in communication with the compressor system and the other portion of which is in communication with the negative pressure system. Therefore, one part of the first air nozzle blows air, and the other part of the air nozzle sucks air, so that the cleaned workpiece can be prevented from being secondarily polluted.

And a ninth stopper is further arranged on the machine frame and used for stopping a first die 01 on the first wire guide 021 to enable the first die to be intermittent so as to form a cleaning station, so that the workpiece is cleaned after being pressed and riveted.

The back cover squeeze riveting mechanism 12 further comprises a sixteenth linear reciprocating mechanism 127, the sixteenth linear reciprocating mechanism is fixedly connected with the squeeze riveting machine frame, a detection wiring terminal is fixed on the output end of the linear reciprocating mechanism, and when the output end of the linear reciprocating mechanism extends out, the detection wiring terminal is in electric connection contact with the end portion 01291 of the connecting lead of the first die 01, and the detection action is completed.

And a first blanking mechanism 13 for taking down the workpiece on the first die 01.

In this embodiment, the first discharging mechanism includes a first discharging frame 131, a seventeenth linear reciprocating mechanism 132, an eighteenth linear reciprocating mechanism 133, and a ninth finger cylinder 134.

As shown in the drawing, the first finger cylinder 134 is installed at an output end of an eighteenth linear reciprocating motion mechanism, the eighteenth linear reciprocating motion mechanism is installed at an output end of a seventeenth linear reciprocating motion mechanism, and the seventeenth linear reciprocating motion mechanism is installed at the first discharging frame. The output end of the seventeenth linear reciprocating motion mechanism moves in the horizontal direction, and the output end of the eighteenth linear reciprocating motion mechanism moves in the vertical direction.

Usually, the seventeenth linear reciprocating mechanism adopts a cylinder, and the eighteenth linear reciprocating mechanism adopts a linear module.

In this embodiment, a tenth stopper is further disposed on the frame, and is used to stop a first mold 01 on the first bobbin guide 021, so that the first mold is intermittent, and a post-good product blanking station is formed, so that the first blanking mechanism 13 can remove the workpiece from the first mold.

In one embodiment, the third wire guide is switched by the first guide position switching mechanism 025 after the workpiece is removed from the first die.

And a second blanking mechanism 14 for removing the defective work pieces from the first die 01. Generally, the defective products move to the second line guide rail along with the first die, and then are discharged by the second discharging mechanism.

The second discharging mechanism includes a second discharging frame 141, a nineteenth linear reciprocating mechanism 142, a twentieth linear reciprocating mechanism 143, and a tenth finger cylinder 144.

The first finger cylinder 144 is installed at the output end of the twentieth linear reciprocating mechanism, the twentieth linear reciprocating mechanism is installed at the output end of the nineteenth linear reciprocating mechanism, and the nineteenth linear reciprocating mechanism is installed on the second blanking frame. The output end of the nineteenth linear reciprocating motion mechanism moves in the horizontal direction, and the output end of the twentieth linear reciprocating motion mechanism moves in the vertical direction.

In this embodiment, an eleventh stopper is further provided on the frame for stopping and intermitting a first mold 01 on the second wire guide 022 to form a post-defective blanking station, whereby the workpiece is removed from the first mold by the second blanking mechanism 14.

The utility model discloses in, when straight reciprocating motion mechanism's output was required to have 2 operating position, can adopt the structure of cylinder or linear module, when straight reciprocating motion mechanism's output was required to have 3 or 3 above operating position, it can adopt the structure of linear module. Of course, a linear module requiring only 2 work positions could be replaced with a pneumatic cylinder.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. A fuel pump assembly line which characterized in that: comprises that

A first die (01) for carrying a workpiece;

the conveying line body (02) is used for conveying the first die (01) mounted on the conveying line body and enabling the first die to pass through a set station intermittently;

an upper end cover assembly feeding mechanism (03) for grabbing the upper end cover assembly and placing the upper end cover assembly on the first mold;

the shell assembly feeding manipulator (04) is used for installing the shell assembly (040) placed according to a preset circumferential angle position on the first mold (01);

an upper end cover assembly mounting mechanism (05) for mounting the upper end cover assembly (050) to the upper end of the housing assembly;

a shell upper end closing mechanism (06) for bending the shell upper end in the shell assembly inwards to reduce the caliber so as to fix the upper end cover assembly;

the magnetizing mechanism (07) is used for magnetizing the magnetic sheet in the shell assembly;

a rotor mounting mechanism (08) for mounting the rotor (080) to a workpiece;

a bearing impeller assembling mechanism (09) for assembling the bearing impeller assembly to the workpiece;

an impeller assembling mechanism (10) for assembling an impeller (0900) on a workpiece with a rotor;

a rear cover assembling mechanism (11) for assembling the rear cover (110) to the workpiece;

a rear cover squeeze-riveting mechanism (12) for bending the rear end of the shell in the shell component inwards to reduce the caliber so as to fix the rear cover;

and the first blanking mechanism (13) is used for taking down the workpiece on the first die (01).

2. The fuel pump assembly line of claim 1, wherein: the first die comprises a base plate (015), a first jig (012) and a second jig (013) for bearing the shell assembly, wherein the first jig and the second jig are fixed on the base plate and are arranged along the conveying direction of the conveying line body; the first jig (012) comprises an outer sleeve (0121), the upper end of the outer sleeve (0121) is provided with an opening and is of a cylindrical structure, and the outer sleeve (0121) is fixedly connected with the substrate (015); an inner sleeve (0122) capable of axially limiting and sliding is sleeved inside the outer sleeve (0121), the inner sleeve is releasably locked at the locking mechanism of the lower dead center, and the inner sleeve (0122) is pushed to a first spring (018) at the upper dead center after the locking mechanism is unlocked.

3. The fuel pump assembly line of claim 1, wherein: the conveying line body (02) comprises a first line body guide rail (021), a second line body guide rail (022) which is parallel to the first line body guide rail, and a third line body guide rail (023) is switched between a first position connected with the first line body guide rail (021) and a second position connected with the second line body guide rail (022) by means of a first guide rail position switching mechanism (025); switching the fourth wire body guide rail (024) between a third position engaged with the second wire body guide rail (022) and a fourth position engaged with the first wire body guide rail (021) by means of a second guide rail position switching mechanism (026); the friction block mechanism is used for contacting with the first conveyor belt mechanism or the second conveyor belt mechanism corresponding to the position and forming friction transmission.

4. The fuel pump assembly line of claim 1, wherein: the upper end cover assembly feeding mechanism comprises a first machine vision system (034), a first upper cover assembly feeding mechanical arm (035), a second upper cover assembly feeding mechanical arm (036) and a first discharging mould (037); the first upper cover assembly feeding manipulator (035) is used for grabbing the upper cover assembly from the material box to the first discharging mould (037); the second upper cover assembly feeding manipulator (036) is used for grabbing the upper cover assembly from the first discharging mould (037) to the first mould (01); the first discharging die (037) is connected with the output end of the first motor (0371), and the first machine vision system (034) is used for detecting the circumferential position of the upper end cover as a basis for controlling the first motor, so that the upper end cover assembly stops at a set circumferential position.

5. The fuel pump assembly line of claim 1, wherein: casing subassembly material loading manipulator (04) include fourth linearity module (041), fifth linearity module (042) and third finger cylinder (043), wherein, fourth linearity module (041) and fifth linearity module (042) are mutually perpendicular and set up, and one of fourth linearity module (041) and fifth linearity module (042) is used for controlling the displacement of the horizontal direction of third finger cylinder (043), and another is used for controlling the displacement of the direction of height of third finger cylinder (043).

6. The fuel pump assembly line of claim 1, wherein: the upper end cover assembly mounting mechanism (05) comprises an upper end cover assembly mounting frame (051) which is fixed, a first pressing machine (052) is fixed on the upper end cover assembly mounting frame (051), the output end of the first pressing machine (052) is fixed with a first pressing head (053) capable of adsorbing the upper end cover assembly, and the first pressing head (053) is switched between the position of a first jig (012) on the first mold (01) and the position of a second jig (013) on the first mold (01) by means of a first position switching mechanism (054).

7. The fuel pump assembly line of claim 1, wherein: the rotor mounting mechanism (08) comprises a rotor manipulator (081) and a rotor cleaning mechanism (082); the rotor manipulator (081) grabs the rotor from the material box and installs the rotor on the workpiece, and is used for putting the rotor into a rotor cleaning mechanism (082) in the period to clean the rotor, wherein, a rotor cleaning box (0821) is included, the cleaning box (0821) is inserted by one end part of the rotor, two air nozzles (0822) are also arranged on the cleaning box, one air nozzle is communicated with the compressor system, and the other air nozzle is communicated with the negative pressure system.

8. The fuel pump assembly line of claim 1, wherein: the bearing impeller assembling mechanism comprises a second machine vision system (091), a first bearing impeller feeding manipulator (092), a second bearing impeller feeding manipulator (093), a second discharging mould (094) and a fourth motor (095); the second discharging mould (094) is connected with the output end of the fourth motor (095), and the second machine vision system (091) is used for detecting the circumferential position of the bearing impeller assembly as a basis for controlling the fourth motor (095) so as to stop the bearing impeller assembly at the set circumferential position; the first bearing impeller feeding manipulator (092) is used for grabbing the bearing impeller assembly from the material box to the second discharging mould (094); and the second bearing impeller feeding manipulator (093) is used for grabbing the bearing impeller assembly from the second discharging mould (094) and installing the bearing impeller assembly on the workpiece.

9. The fuel pump assembly line of claim 1, wherein: the impeller assembling mechanism (10) comprises a friction wheel, the friction wheel (105) is fixedly connected with a probe seat (103), a probe (104) capable of moving axially is hung on the probe seat (103), the end part of the probe (104) extends out of the friction wheel (105), and the probe seat (103) is in transmission connection with an output shaft of a fifth motor (106); the fifth motor (106) is driven by the output end of the thirteenth linear reciprocating mechanism (102) as a whole, so that the friction wheel (105) moves from a position far away from the impeller to a position contacted with the impeller, a detection hole (1031) is arranged on the probe seat (103), and the detection hole (1031) is arranged along the moving direction vertical to the probe (104); a photoelectric switch (107) opposite to the detection hole (1031) is fixed on the impeller assembly frame (101); when the top of the probe (104) triggers the photoelectric switch (107), the luminous electric switch sends out a signal as a control parameter for stopping the rotation of the fifth motor; the first mounting bracket (1021) with the output end fixed connection of thirteenth straight reciprocating motion mechanism (102), second mounting bracket (1022) with first mounting bracket sliding connection, base (1023) with second mounting bracket fixed connection, the base is used for contacting with tip (100) of casing, be fixed with displacement sensor (1024) at the second mounting bracket, displacement sensor's sense terminal is fixed with contact piece (1025), the contact piece is used for contacting with the impeller, a second position switching mechanism for making first tool (012) switch to the position relative with the contact piece from the position relative with the friction pulley.

10. The fuel pump assembly line of claim 1, wherein: the rear cover assembling mechanism comprises a third machine vision system (111), a first rear cover feeding mechanical arm (112), a second rear cover feeding mechanical arm (113) and a third discharging mould (114); the third discharging die (114) is connected with the output end of the sixth motor, and the third machine vision system (111) is used for detecting the circumferential position of the rear cover to be used as a basis for controlling the sixth motor, so that the rear cover is stopped at the set circumferential position; the first rear cover feeding manipulator (112) is used for grabbing the rear cover from the material box to the third discharging mould (114); the second rear cover feeding manipulator (113) is used for grabbing the rear cover from the third discharging mould (114) and installing the rear cover on the workpiece.