CN113145694B

CN113145694B - Full-automatic impeller washing machine box body riveting forming equipment and method

Info

Publication number: CN113145694B
Application number: CN202110495748.3A
Authority: CN
Inventors: 於在文; 杨宏升; 毛元彪; 邢友胜; 严寿凯; 张小勇
Original assignee: Csic Pride(nanjing)intelligent Equipment System Co ltd
Current assignee: Csic Pride(nanjing)intelligent Equipment System Co ltd
Priority date: 2021-05-07
Filing date: 2021-05-07
Publication date: 2022-08-16
Anticipated expiration: 2041-05-07
Also published as: CN113145694A

Abstract

The invention discloses a full-automatic pulsator washing machine box body riveting forming device and a method, wherein the box body riveting forming device comprises a box body bending system, a transferring mechanism, a connecting plate riveting machine and an angle plate riveting machine; the small bending machine and the large bending machine are sequentially arranged along the transmission direction of the box body plate transmission line, the small bending machine is used for bending the two bending plates of the plate downwards by 90 degrees, and the large bending machine is used for bending the two side plates of the plate downwards by 90 degrees, so that a washing machine box body is formed; the transfer mechanism can transfer the washing machine box body which is bent greatly to the connecting plate riveting machine on one hand, and can transfer the washing machine box body which is riveted by the connecting plate to the angle plate riveting machine on the other hand. The automatic material taking, riveting and informatization control are adopted, so that the automatic bending, riveting and forming of the washing machine box body can be realized, and the automation degree is high.

Description

Full-automatic impeller washing machine box body riveting forming equipment and method

Technical Field

The invention relates to the technical field of product forming, in particular to riveting forming equipment and method for a box body of a full-automatic pulsator washing machine.

Background

At present, the riveting forming of the box body of the full-automatic pulsator washing machine mostly adopts semi-automatic equipment, even some manufacturers still use manual riveting production lines, huge manpower is wasted, production efficiency is low, and the increasing requirements of people on the washing machine cannot be met. The method comprises the following specific steps:

1. need tens people to carry out the material loading, transport box, whole forming process, not only hard consuming time, production efficiency is lower moreover.

2. One set of mould and anchor clamps can only satisfy the riveting shaping of a box size, and this brings a great deal of inconvenience for the formation, and extravagant fund input. In addition, the riveting forming positioning is difficult due to different sizes of washing machine box products, so that the final product is not ideal.

Disclosure of Invention

The invention aims to solve the technical problems of the prior art and provides riveting forming equipment and a riveting forming method for a full-automatic impeller type washing machine box body. Meanwhile, the riveting forming device can adapt to box bodies of various sizes, is high in universality, saves production cost and is convenient to operate.

In order to solve the technical problems, the invention adopts the technical scheme that: a full-automatic pulsator washing machine box body riveting forming device comprises a box body bending system, a transfer mechanism, a connecting plate riveting machine and an angle plate riveting machine;

the box body bending system comprises a box body plate transmission line, a small bending machine and a large bending machine;

the box body plate conveying line comprises a conveying part and a plate centering and positioning mechanism;

the conveying part is used for automatically conveying the plates, and the plate centering and positioning mechanism is used for centering and positioning the plates on the conveying part;

the small bending machine and the large bending machine are sequentially arranged along the transmission direction of the box body plate transmission line and are positioned at the downstream of the plate centering and positioning mechanism; the small bending machine is used for bending the two bending plates of the plate downwards by 90 degrees, and the large bending machine is used for bending the two side plates of the plate downwards by 90 degrees, so that a washing machine box body is formed;

the transfer mechanism can transfer the washing machine box body which is bent greatly to the connecting plate riveting machine on one hand, and can transfer the washing machine box body which is riveted by the connecting plate to the angle plate riveting machine on the other hand;

the connecting plate riveting machine comprises a connecting plate feeding device, a connecting plate feeding mechanism, a box body transverse positioning mechanism and a connecting plate riveting die;

the box body transverse positioning mechanism is arranged at the downstream of the large bending machine and is used for positioning the washing machine box body which is bent greatly;

the two connecting plate riveting dies are symmetrically arranged at two ends of the transverse box body positioning mechanism and are positioned on the X axis; each connecting plate riveting die can slide along the X axis; each connecting plate riveting die comprises connecting plate upper riveting pliers and connecting plate lower riveting pliers; the upper riveting clamp and the lower riveting clamp of the connecting plate are lifted along the Z direction of the height; the upper riveting clamp of the connecting plate can be electromagnetically adsorbed and positions the upper connecting plate or the lower connecting plate through the positioning needle;

the connecting plate feeding mechanism comprises a connecting plate conveying line and a connecting plate conveyor;

the connecting plate conveying line is positioned between the two connecting plate riveting dies and is distributed along the Y direction;

the connecting plate conveyor is arranged on the connecting plate conveying line in a sliding manner and comprises two connecting plate bearing plates; the two connecting plate bearing plates can slide to the positions right below the riveting tongs on the two connecting plates under the driving of the connecting plate conveyor;

the outer side of each connecting plate bearing plate is provided with a connecting plate feeding device respectively, and the connecting plate feeding devices are used for placing the upper connecting plate or the lower connecting plate on the corresponding connecting plate bearing plate;

the number of the angle plate riveting machines is two, namely a front angle plate riveting machine and a rear angle plate riveting machine; the front gusset riveting machine is used for riveting two front gussets on a washing machine box body; the rear angle plate riveting machine is positioned at the downstream of the front angle plate riveting machine and is used for riveting two rear angle plates on the washing machine box body;

each angle plate riveting machine comprises an angle plate feeding device, an angle plate feeding mechanism, a box body vertical positioning mechanism and an angle plate riveting die;

a box body vertical positioning mechanism in the front gusset plate riveting machine is arranged at the downstream of the connecting plate riveting machine and is used for vertically positioning the box body of the washing machine riveted by the connecting plate; a box body vertical positioning mechanism in the rear gusset riveting machine is arranged at the downstream of the front gusset riveting machine and is used for vertically positioning the washing machine box body riveted by the front gusset;

the number of the angle plate riveting dies in each angle plate riveting machine is two, the angle plate riveting dies are arranged on the same side of the corresponding box body vertical positioning mechanism, each angle plate riveting die can slide along the X axis and the Y axis, and each angle plate riveting die comprises an angle plate upper riveting clamp and an angle plate lower riveting clamp; the angle plate upper riveting clamp and the angle plate lower riveting clamp can lift along the height Z direction;

the angle plate feeding mechanism comprises an angle plate conveyor and an angle plate conveying line;

one end of the angle plate conveying line is positioned below the corresponding angle plate feeding device, and the other end of the angle plate conveying line is positioned below the corresponding angle plate riveting die;

the angle plate conveyor is arranged on the angle plate conveying line in a sliding mode and comprises two angle plate vacuum suction parts; the angle plate vacuum suction part can slide to the position under the two angle plate upper riveting clamps under the driving of the angle plate conveyor, and the two angle plates are placed on the angle plate lower riveting clamps of the corresponding angle plate riveting die;

the lower part of each angle plate vacuum suction part is provided with a profiling cavity for positioning the angle plate;

an angle plate feeding device is arranged on the outer side of each angle plate conveyor and used for feeding a front angle plate or a rear angle plate to the position right below the angle plate vacuum suction part;

further, the plate centering and positioning mechanism comprises a pressing part, a lateral centering and positioning mechanism and a front positioning assembly;

a centering and positioning station is arranged at the tail end of the conveying part;

the material pressing part is arranged above the centering and positioning station and can press the front plate of the plate;

the lateral centering and positioning mechanisms are arranged on two sides of the centering and positioning station and are used for laterally centering and positioning the plates;

the front positioning assembly is arranged in front of the centering positioning station and used for positioning the front end of the plate;

furthermore, the transfer mechanism comprises a grabbing component, a lifting component, a translation component and a rack, wherein the grabbing component is connected to the lower part of the lifting component, and the lifting component is connected to the rack in a sliding manner through the translation component;

the grabbing component comprises a first grabbing component and a second grabbing component, wherein the first grabbing component comprises two fixing plates and a plurality of vacuum suckers, the two fixing plates are oppositely arranged, and the plurality of vacuum suckers are arranged on the inner sides of the two fixing plates and used for carrying out adsorption and fixation on the box body;

the vacuum chuck is connected to the lower part of the lifting assembly through a fixing plate; a gear is arranged on a rotating shaft of the fixed plate on the side of the grabbing component II, and the gear is meshed with a rack fixed on the cylinder, so that the fixed plate is pushed by the cylinder to rotate to realize the rotation of the box body;

furthermore, the transverse box positioning mechanism comprises an outer positioning mechanism and an inner positioning mechanism, wherein the outer positioning mechanism comprises rollers arranged at two sides of a preset position of the box body, and baffles arranged at two sides of the rollers; the roller is used for restraining the box body, and the baffle is used for limiting the box body;

the inner positioning mechanism comprises two pressing claws and two cylinders, the pressing claws are hinged to the middle of the preset position of the box body respectively, and the pressing claws can be controlled to rotate through the cylinders.

Furthermore, the connecting plate feeding device comprises a connecting plate feeding mechanism, a connecting plate taking mechanism, a connecting plate positioning mechanism and a connecting plate transferring mechanism;

the connecting plate feeding mechanism is a progressive feeding machine and is used for automatically conveying the connecting plate to a material taking position of the connecting plate material taking mechanism;

the connecting plate taking mechanism comprises a lifting arm and an electromagnet, the electromagnet is arranged at the lower end of the lifting arm and used for adsorbing the connecting plate through the electromagnet and transferring the connecting plate to the connecting plate positioning mechanism through the lifting arm;

the connecting plate positioning mechanisms are symmetrically arranged on two sides of the connecting plate conveying line and comprise limiting grooves, and the limiting grooves are positioned above the connecting plate positioning mechanisms and are used for positioning the connecting plates;

the connecting plate transfer mechanism is provided with positioning needles which can slide along the vertical direction of the connecting plate conveying line, the positioning needles are matched with the positioning holes in the connecting plates, and the connecting plate conveying machines are two in number and arranged oppositely and used for feeding an upper connecting plate and a lower connecting plate simultaneously;

furthermore, the angle plate feeding device comprises an angle plate feeding mechanism, an angle plate taking mechanism and an angle plate discharging mechanism;

the angle plate feeding mechanism is used for automatically conveying angle plates to a material taking position of the angle plate material taking mechanism;

the angle plate taking mechanism comprises a taking claw hand, and the lower end of the taking claw hand is provided with an electromagnet and is used for electromagnetically adsorbing and transferring the angle plate to the angle plate discharging mechanism;

the angle plate discharging mechanism is arranged on one side of the angle plate conveying line, and a profiling cavity is arranged on the angle plate discharging mechanism and used for positioning the angle plate after the angle plate is placed on the angle plate discharging mechanism;

the angle plate discharging mechanism comprises an electromagnet arranged above and is used for transferring the angle plate positioned by the angle plate discharging mechanism to a riveting clamp of an angle plate riveting die in an adsorption manner;

furthermore, the gusset feeding mechanism further comprises a feeding sliding arm, the feeding sliding arm is used for installing a feeding gripper, and the feeding gripper is controlled to translate and lift through the feeding sliding arm;

furthermore, a lifting machine and a wide belt line are sequentially arranged at the downstream of the angle plate riveting machine; the lifter is used for blanking the formed washing machine box body and placing the formed washing machine box body on a wide belt line to be conveyed to a specified position;

furthermore, riveting pieces are arranged on two sides of the connecting plate, positioning holes are formed in the connecting plate, and the positioning holes are matched with positioning pins on the connecting plate transfer mechanism;

a riveting forming method for a box body of a full-automatic pulsator washing machine comprises the following steps:

step 1, plate centering: the plate is placed on the conveying part and conveyed forwards continuously, the front positioning assembly blocks the plate, the pressing part lowers the pressure and tightens the plate, and the servo centering mechanism acts to center the plate;

step 2, conveying the plates: the positioning part of the transferring part acts, the positioning pin is inserted into the plate positioning hole, the lifting part is lifted to a designated height, the conveying part conveys the plate to a small bending station, the lifting mechanism is lowered to a material placing position, the positioning pin extracts the plate, and the conveying mechanism returns to the previous station;

and 3, small bending, comprising the following steps:

the positioning mechanism of the small bending machine works to position the conveyed plate, the pressing mechanism descends to press the plate, the servo centering mechanism works to a specified position, and the bending forming mechanism acts to bend the bending plate to 90 degrees;

step 4, bending greatly: the positioning mechanism of the large bending machine accurately positions the fed plate, the pressing mechanism descends to press the plate, the servo centering mechanism works to a specified position, and the bending forming mechanism acts to bend the side plate to 90 degrees;

step 5, transferring and grabbing: the grabbing components of the transferring mechanism simultaneously descend to the designated positions to respectively take materials, the materials are lifted to the designated height under the action of the lifting mechanism, the whole is transferred to the next station through the translation component, the lifting mechanism acts, the grabbing components respectively descend to the designated heights, the materials are placed, the lifting mechanism acts, the grabbing components respectively ascend to the designated heights, and the whole is transferred to the initial station;

step 6, riveting an upper connecting plate and a lower connecting plate:

step 61, feeding materials through an upper connecting plate and a lower connecting plate: the connecting plate feeding mechanism of the connecting plate riveting machine progressively conveys the upper connecting plate and the lower connecting plate to a material taking position, the connecting plate taking mechanism acts to take materials and conveys the materials into the connecting plate discharging mechanism for positioning, the connecting plate feeding mechanism acts to convey the connecting plate to the riveting machine, an upper riveting clamp positioning pin of a riveting die positions the connecting plate through outer positioning holes in two sides of the connecting plate, and meanwhile, the connecting plate is adsorbed and fixed through an electromagnet arranged on the upper riveting clamp;

step 62, transversely positioning the box body; the box body bent in the step 4 is moved and loaded on the box body transverse positioning mechanism through the moving and loading mechanism, the box body is guided through the pulleys and limited by the baffle plate, so that the side wall of the box body is fixed, and meanwhile, the pressing claw is pushed by the air cylinder to rotate to press the bending plate on the inner side of the box body tightly, so that the box body is positioned;

step 63, riveting the upper connecting plate and the lower connecting plate, simultaneously moving the lower riveting pliers of the two connecting plate riveting dies upwards, and riveting the two ends of the upper connecting plate and the two ends of the lower connecting plate on the box body bending plate;

step 7, riveting a front angle plate:

step 71, vertically positioning the box body: moving the box body riveted with the connecting plate in the step 6 to a box body vertical positioning mechanism through a grabbing assembly II, pushing the gear to rotate by the air cylinder so as to drive the fixing plate to rotate the box body, enabling the box body to be erected and moved to the box body vertical positioning mechanism, and fixing the periphery of the box body through a limiting mechanism;

step 72, front corner panel feeding: the angle plate feeding mechanism of the front angle plate riveting machine rotates the front angle plate to a specified position at fixed time, the angle plate taking mechanism acts, the angle taking plate is placed on the angle plate discharging mechanism for positioning, after the positioning is finished, the angle plate feeding mechanism absorbs the angle plate and acts, and the angle plate is transferred to a lower riveting clamp of an angle plate riveting die of the angle plate riveting machine;

step 73, front corner panel riveting: the front corner plate riveting clamp positioning assembly moves the front corner plate to the riveting position of the bottom of the box body by moving the riveting die, and the lower riveting clamp of the front corner plate riveting die presses upwards to rivet the front corner plate to the bottom of the box body;

step 8, riveting a rear corner plate:

riveting the rear angle plate by adopting the same riveting method as the step 7;

step 9, blanking:

the lifting machine rises to a designated height, the riveting completion box body conveyed by the lower moving and carrying machine descends to the designated height, and the conveying mechanism on the lifting machine and the wide belt line simultaneously act to convey the riveting completion box body to a designated position.

The invention has the following beneficial effects:

1. the automatic material taking, automatic riveting and informatization control are adopted, so that the automatic bending, riveting and forming of the washing machine box body can be realized, the automation degree is high, and the production efficiency is high.

2. The invention can adapt to washing machine boxes with different sizes, has strong universality, saves the production cost and is convenient to operate.

Drawings

FIG. 1 is a schematic structural diagram of a full-automatic pulsator washing machine box riveting forming device and method of the invention;

FIG. 2 is a schematic view of the structure of the transfer part;

FIG. 3 is a schematic structural view of a plate centering and positioning mechanism;

FIG. 4 is a layout view of the conveying section and the plate centering and positioning mechanism;

FIG. 5 is a schematic view of the centering and positioning machine at A in FIG. 3;

FIG. 6 is a schematic view of the positioning machine of FIG. 3 at B;

FIG. 7 is a schematic view of a mini-bend process;

FIG. 8 is a schematic representation of the operating state of the present invention;

FIG. 9 is a schematic view of the transfer mechanism;

FIG. 10 is a schematic structural view of a first grasping element;

FIG. 11 is a schematic structural view of a second grasping element;

FIG. 12 is a schematic view of a panel riveter;

FIG. 13 is an enlarged fragmentary view of the tie plate riveter;

FIG. 14 is a schematic structural view of a case positioning assembly;

FIG. 15 is a schematic perspective view of a web riveter;

FIG. 16 is a schematic view of the construction of the web feed mechanism;

FIG. 17 is a schematic view of the construction of the web pick-up mechanism and the web drop out mechanism;

FIG. 18 is a schematic view of the construction of the web feed mechanism;

FIG. 19 is an enlarged view of the fill level at C in FIG. 18;

FIG. 20 is a schematic view of the construction of a tie plate;

FIG. 21 is a schematic view of a tie riveting die;

FIG. 22 is a schematic view of the construction of the gusset riveter;

FIG. 23 is a schematic structural view of a locating mechanism of the corner plate riveter;

FIG. 24 is a schematic view of the gusset construction;

FIG. 25 is a schematic view of a gusset take off mechanism;

FIG. 26 is an enlarged detail view of the take out gripper shown in FIG. 25 at D;

FIG. 27 is a schematic perspective view of the corner plate feeding mechanism;

FIG. 28 is a schematic perspective view of the corner plate drop feed mechanism;

FIG. 29 is an enlarged view of the gusset drop mechanism and gusset conveyor of FIG. 28 at E;

FIG. 30 is a schematic view of the corner plate staking die.

Among them are:

10. a conveying section; 11. a conveyor belt; 111. fixing a gear; 112. a spring catch; 12. a material pressing part; 13. a lateral centering and positioning mechanism;

20. a plate centering and positioning mechanism; 21. a first conveying part; 211. a lifting part; 22. a second conveying part; 23. a positioning part; 231. centering and positioning machine; 24. a chassis;

30. a small bending machine;

40. a large bending machine;

50. a transfer mechanism; 51. grabbing a first component; 511. a fixing plate; 512. a vacuum chuck; 52. a second grabbing component; 521. a rack; 522. a gear; 53. a lifting assembly; 54. a translation assembly; 55. a frame;

60. a connecting plate riveting machine; 61. a connecting plate feeding mechanism; 62. a connecting plate material taking mechanism; 63. a link plate positioning mechanism; 64. a connecting plate feeding mechanism; 65. a connecting plate transfer mechanism; 66. a box body transverse positioning assembly; 661. a roller; 662. a baffle plate; 663. pressing claws; 67. connecting plate riveting die; 671. riveting pincers on the connecting plate; 672. connecting plate lower riveting pliers; 68. a web conveyor line; 681. a carrier plate;

70. an angle plate riveting machine; 71. a corner plate feeding mechanism; 72. an angle plate material taking mechanism; 721. a material taking slide arm; 722. a material taking gripper; 723. an electromagnet; 73. an angle plate discharging mechanism; 74. an angle plate feeding mechanism; 741. an angle plate conveyor; 742. a gusset conveyor line; 743. a profiling cavity; 75. an angle plate riveting die; 751. riveting pincers on the angle plate; 752. riveting pliers below the angle plate; 753. an angle plate riveting clamp positioning component; 76. a vertical positioning mechanism of the box body;

80. a plate material; 81. pre-flanging; 82. a front plate; 83. a side plate; 84. bending the plate;

90. connecting plates; 91. riveting a connecting piece; 92. positioning holes;

100. a gusset is provided.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific preferred embodiments.

In the description of the present invention, it is to be understood that the terms "left side", "right side", "upper part", "lower part", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but 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 that "first", "second", etc., do not represent an important degree of the component parts, and thus are not to be construed as limiting the present invention. The specific dimensions used in the present example are only for illustrating the technical solution and do not limit the protection scope of the present invention.

As shown in fig. 1, the full-automatic pulsator washing machine box riveting forming equipment comprises a box bending system, a transferring mechanism 50, a connecting plate riveting machine 60 and an angle plate riveting machine 70.

The plate to be bent of the washing machine comprises pre-bent edges, a front plate, side plates and bent plates, wherein the pre-bent edges are arranged on the front side and the rear side of the plate, the side plates are positioned on the left side and the right side of the front plate, the bent plate is arranged on the outer side of each side plate, and positioning holes are formed in the pre-bent edges;

the box body bending system comprises a box body plate transmission line, a small bending machine 30 and a large bending machine 40;

the box body plate conveying line comprises a conveying part 10 and a plate centering and positioning mechanism 20;

the conveying part 10 is used for automatically conveying the plates 80, and the plate centering and positioning mechanism 20 is arranged at the tail end of the conveying part and comprises a pressing part, a lateral centering and positioning mechanism and a front end positioning assembly; the material pressing part is positioned above the conveying part and is opposite to a side plate of the plate to be bent of the washing machine; the height of the material pressing part can be reduced, and a plurality of universal wheels are arranged at the bottom of the material pressing part; the lateral centering and positioning mechanisms are arranged on two sides of the conveying part and can stretch and retract along the direction vertical to the material pressing part; the front end positioning assemblies are fixedly arranged at the front end of the conveying part and comprise fixed stops and spring stops; the inner side wall surfaces of the fixed block and the spring block are positioned on the same straight line vertical to the conveying part; the inner side wall surface of the spring block is also provided with a spring parallel to the conveying part; the transfer part is arranged at the inner side of the conveying part in an inserting way; the transfer part comprises a conveying part, a positioning part and a driving part; the driving part comprises a translation mechanism and a lifting mechanism; the conveying part can convey the plate to be bent of the washing machine and/or the bent plate of the washing machine; the rear end of the conveying part is provided with a positioning needle which can be inserted into a positioning hole of the pre-flanging; the translation mechanism can drive the horizontal movement of the conveying part, and the lifting mechanism can drive the height of the conveying part to lift.

The conveying part comprises four conveying belts which are horizontally arranged, the fixed baffle is arranged on the conveying belt on the outer side, the spring baffle is arranged on the conveying belt on the inner side, and in the plate material feeding direction, the contact surface of the spring baffle extends out of the contact surface of the fixed baffle by a certain distance.

The material pressing portion comprises a lifting rod and a connecting plate, the lifting rod is connected with the connecting plate, and the universal wheel is installed at the bottom of the connecting plate. Thereby the universal wheel passes through the telescopic link and goes up and down to push down on panel, prevents to center the location in-process, and panel middle part hunches.

The conveying part comprises a first conveying part and a second conveying part, and the first conveying part and the second conveying part are both arranged on the rack; the lifting mechanism is arranged on the rack and comprises a cylinder and a fixed block; the fixed block is fixed in the frame lateral part, and cylinder quantity is two, installs respectively in both sides about the fixed block, and the below cylinder is used for the lift to the frame, and the top cylinder is used for going up and down alone conveying portion. Specifically, the number of the second conveying parts is two, the second conveying parts are arranged on two sides of the first conveying part, the second conveying parts and the first conveying parts are horizontally arranged, the second conveying parts are fixed on the rack, the first conveying parts are connected to the rack through cylinders, further, the cylinders below the fixed blocks are connected to the rack through the fixed blocks, so that the rack is driven to ascend and descend, and the upper ends of the cylinders above the fixed blocks are connected to the first conveying parts, so that the first conveying parts are driven to ascend and descend.

The translation mechanism is installed in the frame, and translation mechanism includes through motor drive's gear and drive belt, and specifically speaking, conveying part one still can go up and down work through the cylinder owing to in horizontal migration, so drive conveying part one through motor drive's conveyer belt and carry out the translation, and conveying part two only does horizontal migration, drives conveying part two horizontal slip in the frame through the gear.

The positioning parts are three in number, namely a positioning part a, a positioning part b and a positioning part c, and the three positioning parts are equidistantly distributed on the conveying part. That is to say, three location portion corresponds three station respectively, and the sheet metal location, the board of bending are buckled and the curb plate is buckled promptly.

The small bending machine 30 and the large bending machine 40 are sequentially arranged along the transmission direction of the box body plate transmission line and are positioned at the downstream of the plate centering and positioning mechanism; the small bending machine is used for bending the two bending plates of the plate downwards by 90 degrees, and the large bending machine is used for bending the two side plates of the plate downwards by 90 degrees, so that a washing machine box body is formed;

the transfer mechanism 50 can transfer the washing machine box body which is bent greatly to the connecting plate riveting machine on one hand, and can transfer the washing machine box body which is riveted by the connecting plate to the angle plate riveting machine on the other hand;

the connecting plate riveting machine 60 comprises a connecting plate feeding device, a connecting plate feeding mechanism 64, a box body transverse positioning mechanism 66 and a connecting plate riveting die 67;

the box body transverse positioning mechanism 66 is arranged at the downstream of the large bending machine 40 and is used for positioning the washing machine box body which is bent greatly;

the two connecting plate riveting dies 67 are symmetrically arranged at two ends of the box body transverse positioning mechanism and are positioned on the X axis; each connecting plate riveting die can slide along the X axis; each connecting plate riveting die comprises connecting plate upper riveting pincers 671 and connecting plate lower riveting pincers 672; the upper riveting clamp and the lower riveting clamp of the connecting plate are lifted along the Z direction of the height; the upper riveting clamp of the connecting plate can be electromagnetically adsorbed and positions the upper connecting plate or the lower connecting plate through the positioning needle;

the connecting plate feeding mechanism 64 comprises a connecting plate conveying line 68 and a connecting plate conveyor;

the connecting plate conveying line 68 is positioned between the two connecting plate riveting dies and is distributed along the Y direction;

the connecting plate conveyor is arranged on the connecting plate conveying line 68 in a sliding manner and comprises two connecting plate bearing plates 681; the two connecting plate bearing plates can slide to the positions right below the riveting pincers 371 on the two connecting plates under the driving of the connecting plate conveyor;

a connecting plate feeding device is arranged on the outer side of each connecting plate bearing plate 681 and used for placing an upper connecting plate or a lower connecting plate on the corresponding connecting plate bearing plate;

as shown in FIGS. 22-30, there are two sets of gusset rivets 70, a front gusset rivet and a rear gusset rivet, respectively; the front gusset riveting machine is used for riveting two front gussets on a washing machine box body; the rear angle plate riveting machine is positioned at the downstream of the front angle plate riveting machine and is used for riveting two rear angle plates on the washing machine box body;

each angle plate riveting machine 70 comprises an angle plate feeding device, an angle plate feeding mechanism 74, a box body vertical positioning mechanism 76 and an angle plate riveting die 75;

a box body vertical positioning mechanism 76 in the front gusset plate riveting machine is arranged at the downstream of the connecting plate riveting machine and is used for vertically positioning the box body of the washing machine riveted by the connecting plate; a box body vertical positioning mechanism in the rear gusset riveting machine is arranged at the downstream of the front gusset riveting machine and is used for vertically positioning the washing machine box body riveted by the front gusset;

the number of the angle plate riveting dies in each angle plate riveting machine is two, the angle plate riveting dies are arranged on the same side of the corresponding box body vertical positioning mechanism 76, each angle plate riveting die can slide along the X axis and the Y axis, and each angle plate riveting die comprises an angle plate upper riveting clamp and an angle plate lower riveting clamp; the angle plate upper riveting clamp and the angle plate lower riveting clamp can lift along the height Z direction;

the angle plate feeding mechanism 74 comprises an angle plate conveyor 741 and an angle plate conveying line 742;

one end of the angle plate conveying line 742 is positioned below the corresponding angle plate feeding device, and the other end of the angle plate conveying line is positioned below the corresponding angle plate riveting die;

the angle plate conveyor is arranged on the angle plate conveying line in a sliding mode and comprises two angle plate vacuum suction parts; the angle plate vacuum suction part can slide to the position under two angle plate upper riveting clamps 751 under the driving of the angle plate conveyor, and the two angle plates are placed on angle plate lower riveting clamps 752 of a corresponding angle plate riveting die;

the lower part of each angle plate vacuum suction part is provided with a profiling cavity 743 for positioning the angle plate;

and a corner plate feeding device is arranged on the outer side of each corner plate conveyor 751 and is used for feeding front corner plates or rear corner plates to positions right below the corner plate vacuum suction parts.

As shown in fig. 3, the plate centering and positioning mechanism 20 includes a pressing portion 12, a lateral centering and positioning mechanism 13, and a front positioning assembly; a centering and positioning station is arranged at the tail end of the conveying part 10; the material pressing part 12 is arranged above the centering and positioning station and can press the front plate of the plate; the lateral centering and positioning mechanisms 13 are arranged on two sides of the centering and positioning station and are used for laterally centering and positioning the plates; the front positioning assembly is arranged in front of the centering station and used for positioning the front end of the plate. Specifically, the pressing portion presses the plate, so that the phenomenon that when the plate is centered and positioned and a lateral centering and positioning mechanism applies force to the plate, the plate is arched, deformation occurs, and materials are wasted is avoided.

The transferring mechanism 50 comprises a grabbing component, a lifting component 52, a translation component 53 and a rack 54, wherein the grabbing component is connected to the lower part of the lifting component, and the lifting component is connected to the rack in a sliding manner through the translation component; the grabbing component is divided into a first grabbing component 51 and a second grabbing component 52, wherein the first grabbing component comprises two fixing plates 511 and a plurality of vacuum suction cups 512, the two fixing plates are oppositely arranged, and the plurality of vacuum suction cups are arranged on the inner sides of the two fixing plates and face the box body for adsorption and fixation; the vacuum chuck is connected to the lower part of the lifting assembly through a fixing plate; the gear 522 is arranged on the rotating shaft of the fixing plate at the two side parts of the grabbing assembly, and the gear is meshed with the rack 521 fixed on the cylinder, so that the fixing plate is pushed by the cylinder to rotate to realize the rotation of the box body. Particularly, after the box body is adsorbed by the vacuum chuck, when the box body is transferred to a specific station, the fixed plate is controlled to rotate to a specified angle for positioning, so that the next process operation is facilitated.

The box body transverse positioning mechanism 66 comprises an outer positioning mechanism and an inner positioning mechanism, wherein the outer positioning mechanism comprises rollers 661 arranged at two sides of a box body presetting position, and baffles 662 arranged at two sides of the rollers; the roller is used for restraining the box body, and the baffle is used for limiting the box body; the inner positioning mechanism comprises two pressing claws and two cylinders, the pressing claws are hinged to the middle of the preset position of the box body respectively, and the pressing claws can be controlled to rotate through the cylinders. During the box location, retrain the box through the gyro wheel for the box removes between to the baffle, later presses the claw through cylinder drive, makes to press the claw to compress tightly the good buckled plate of the box inside bending, box stability when being convenient for even board welding.

The connecting plate feeding device comprises a connecting plate feeding mechanism 61, a connecting plate taking mechanism 62, a connecting plate positioning mechanism 63 and a connecting plate transferring mechanism 65; the connecting plate feeding mechanism 61 is a progressive feeding machine and is used for automatically conveying the connecting plates to the material taking position of the connecting plate material taking mechanism; the connecting plate taking mechanism 62 comprises a lifting arm and an electromagnet, wherein the electromagnet is arranged at the lower end of the lifting arm and used for adsorbing the connecting plate through the electromagnet and transferring the connecting plate to the connecting plate positioning mechanism through the lifting arm; the connecting plate positioning mechanisms 63 are symmetrically arranged on two sides of the connecting plate conveying line and comprise limiting grooves, and the limiting grooves are positioned above the connecting plate positioning mechanisms and are used for positioning the connecting plates; even set up the pilot pin on the board moves and carries mechanism 65, and can slide along the vertical direction of even board transfer chain, even board conveyer quantity is two, and sets up mutually for two upper and lower even boards are the feed simultaneously. Specifically, the connecting plate positioning mechanism positions the connecting plates through the limiting grooves, and then the connecting plates are moved and transferred through the connecting plate moving and transferring mechanism after positioning, and positioning pins on the moving and transferring mechanism can avoid the position change of the connecting plates in the moving and transferring process, so that the normal operation of riveting the connecting plates is ensured; and meanwhile, an opening is formed between the connecting plate riveting dies, so that the connecting plate conveyor can slide between the connecting plate riveting dies for feeding conveniently.

The angle plate feeding device comprises an angle plate feeding mechanism 71, an angle plate taking mechanism 72 and an angle plate discharging mechanism 73; the angle plate feeding mechanism 71 is a material taking position for automatically conveying angle plates to the angle plate material taking mechanism; the angle plate taking mechanism 72 comprises a taking claw 722, the lower end of the taking claw is provided with an electromagnet 723 which is used for electromagnetically adsorbing and transferring the angle plate to the angle plate discharging mechanism; the angle plate discharging mechanism 73 is arranged on one side of the angle plate conveying line 742, and is provided with a profiling cavity for positioning the angle plate after the angle plate is placed on the angle plate discharging mechanism; an electromagnet is arranged above the angle plate discharging mechanism 72, and is used for adsorbing and transferring the angle plate 100 positioned by the angle plate discharging mechanism to the riveting pliers of the angle plate riveting die 75. The gusset take-out mechanism 72 further includes a take-out slide 721 for mounting a take-out gripper 722 that is controlled by the take-out slide to translate and lift. The material taking sliding arm drives the material taking gripper to take materials from the material feeding mechanism and move the material taking gripper to the angle plate material discharging mechanism, so that the angle plate can be taken.

Riveting pieces 91 are arranged on two sides of the connecting plate 90, and positioning holes 92 are formed in the surface of the connecting plate. The locating hole on even board surface can match each other with the pilot pin on even board reprinting mechanism, avoids even board position in the reprinting to take place to remove, leads to riveting to take place the mistake.

A lifter and a wide belt line are provided in sequence downstream of the gusset riveter 70. After the forming of the washing machine box body is completed, the formed box body is discharged through a lifter and a wide belt line and conveyed to a specified position.

step 1, plate centering: the plate is placed on the conveying part and conveyed forwards continuously, the front positioning assembly blocks the plate, the pressing part lowers the pressure to tightly press the plate, and the servo centering mechanism acts to center the plate.

Step 2, conveying the plates:

the lifting mechanism controls the transfer part to lift from the lower part of the conveying part, the positioning machine acts, the positioning needle is inserted into the plate positioning hole, and the plate is positioned at the positioning part a;

the lifting mechanism is lifted to a specified height to lift the plate, wherein the cylinder lifts the position of the first conveying part higher than the second conveying part, the translation mechanism drives the plate to translate, and the lifting mechanism descends to the positioning part b;

when the bending machine arrives at a bending station of the bending plate, a positioning needle of the positioning machine draws out the plate, and bending operation of the bending plate is performed on a positioning part b, (meanwhile, the plate originally located at the positioning part b is lifted by a lifting mechanism and is conveyed by a translation mechanism to be transferred to a positioning part c, namely a side plate bending station, so that bending of the side plate is performed);

and then, the translation mechanism returns to the previous station to start the next round of transferring work.

And 3, small bending, comprising the following steps:

the positioning mechanism of the small bending machine works to position the conveyed plate, the pressing mechanism descends to press the plate, the servo centering mechanism works to a specified position, and the bending forming mechanism acts to bend the bent plate into 90 degrees.

Step 4, bending greatly: the positioning mechanism of the large bending machine accurately positions the sent plates, the pressing mechanism descends to press the plates, the servo centering mechanism works to a specified position, and the bending forming mechanism acts to bend the side plates to 90 degrees.

Step 5, transferring and grabbing: the grabbing components of the transferring mechanism simultaneously descend to the designated positions to respectively take materials, the materials are lifted to the designated height under the action of the lifting mechanism, the whole transferring mechanism is transferred to the next station through the translation component, the lifting mechanism acts, the grabbing components respectively descend to the designated heights, the materials are discharged, the lifting mechanism acts, the grabbing components respectively ascend to the designated heights, and the whole transferring mechanism transfers the materials to the initial station.

Step 6, riveting an upper connecting plate and a lower connecting plate:

step 7, riveting a front angle plate:

step 72, front angle plate feeding: the angle plate feeding mechanism of the front angle plate riveting machine rotates the front angle plate to a specified position at fixed time, the angle plate taking mechanism acts, the angle taking plate is placed on the angle plate discharging mechanism for positioning, after the positioning is finished, the angle plate feeding mechanism absorbs the angle plate and acts, and the angle plate is transferred to a lower riveting clamp of an angle plate riveting die of the angle plate riveting machine;

step 73, front corner panel riveting: the front corner plate riveting clamp positioning assembly moves the front corner plate to a riveting position of the bottom of the box body by moving the riveting die, and the lower riveting clamp of the front corner plate riveting die presses upwards to rivet the front corner plate to the bottom of the box body;

step 8, riveting a rear corner plate:

the rear gusset riveting was performed by the same riveting method as in step 7.

Step 9, blanking: the lifting machine rises to a designated height, the riveting completion box body conveyed by the lower moving and carrying machine descends to the designated height, and the conveying mechanism on the lifting machine and the wide belt line simultaneously act to convey the riveting completion box body to a designated position.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the details of the embodiments, and various equivalent modifications can be made within the technical spirit of the present invention, and the scope of the present invention is also within the scope of the present invention.

Claims

1. The utility model provides a full-automatic impeller type washing machine box riveting forming equipment which characterized in that: the device comprises a box body bending system, a transfer mechanism, a connecting plate riveting machine and an angle plate riveting machine;

the two connecting plate riveting dies are symmetrically arranged at two ends of the transverse box body positioning mechanism and are positioned on the X axis; each connecting plate riveting die can slide along the X axis; each connecting plate riveting die comprises connecting plate upper riveting pliers and connecting plate lower riveting pliers; the upper riveting clamp and the lower riveting clamp of the connecting plate are lifted along the Z direction of the height; the upper riveting clamp of the connecting plate can be electromagnetically adsorbed and positions the upper connecting plate or the lower connecting plate through the positioning needle; the connecting plate feeding mechanism comprises a connecting plate conveying line and a connecting plate conveyor;

and the outer side of each angle plate conveyor is respectively provided with an angle plate feeding device, and the angle plate feeding devices are used for feeding the front angle plates or the rear angle plates to the positions under the angle plate vacuum suction parts.

2. The full-automatic pulsator washing machine box body riveting forming equipment as claimed in claim 1, wherein: the plate centering and positioning mechanism comprises a material pressing part, a lateral centering and positioning mechanism and a front positioning assembly;

the front positioning assembly is arranged in front of the centering station and used for positioning the front end of the plate.

3. The full-automatic pulsator washing machine box body riveting forming equipment as claimed in claim 1, wherein: the transfer mechanism comprises a grabbing component, a lifting component, a translation component and a rack, wherein the grabbing component is connected to the lower part of the lifting component, and the lifting component is connected to the rack in a sliding manner through the translation component;

the vacuum chuck is connected to the lower part of the lifting assembly through a fixing plate; the gear is arranged on the side part of the grabbing component on the rotating shaft of the fixing plate, and the gear is meshed with the rack fixed on the cylinder, so that the fixing plate is pushed by the cylinder to rotate to realize the rotation of the box body.

4. The full-automatic pulsator washing machine box riveting forming equipment as claimed in claim 1, wherein: the box body transverse positioning mechanism comprises an outer positioning mechanism and an inner positioning mechanism, wherein the outer positioning mechanism comprises rollers arranged at two sides of a box body preset position, and baffles arranged at two sides of the rollers; the roller is used for restraining the box body, and the baffle is used for limiting the box body;

interior positioning mechanism is including pressing claw and cylinder, and it is two to press claw quantity, presses the claw to articulate respectively in box preset position middle part, and can press the claw rotation through cylinder control.

5. The full-automatic pulsator washing machine box riveting forming equipment as claimed in claim 1, wherein: the connecting plate feeding device comprises a connecting plate feeding mechanism, a connecting plate taking mechanism, a connecting plate positioning mechanism and a connecting plate transferring mechanism;

even set up the pilot pin on the board moves and carries the mechanism, and can slide along the vertical direction of even board transfer chain, and the pilot pin matches with the locating hole on even the board, even board conveyer quantity is two, and sets up mutually for upper and lower two even boards are the feed simultaneously.

6. The full-automatic pulsator washing machine box body riveting forming equipment as claimed in claim 1, wherein: the angle plate feeding device comprises an angle plate feeding mechanism, an angle plate taking mechanism and an angle plate discharging mechanism;

the angle plate discharging mechanism comprises an electromagnet arranged above and is used for transferring the angle plate positioned by the angle plate discharging mechanism to riveting pliers of the angle plate riveting die in an adsorption manner.

7. The full-automatic pulsator washing machine box riveting forming equipment as claimed in claim 6, wherein: the angle plate taking mechanism further comprises a taking sliding arm, the taking sliding arm is used for installing a taking gripper, and the taking gripper controls translation and lifting through the taking sliding arm.

8. The full-automatic pulsator washing machine box body riveting forming equipment as claimed in claim 1, wherein: a lifter and a wide belt line are sequentially arranged at the downstream of the angle plate riveting machine; the elevator is used for blanking the formed washing machine box body and placing the formed washing machine box body on a wide belt line to be conveyed to a specified position.

9. The full-automatic pulsator washing machine box body riveting forming equipment as claimed in claim 1, wherein: riveting pieces are arranged on two sides of the connecting plate, positioning holes are formed in the connecting plate, and the positioning holes are matched with positioning pins on the connecting plate transfer mechanism.

10. The riveting forming method of the full-automatic pulsator washing machine box body riveting forming equipment as claimed in claim 3, wherein the riveting forming method comprises the following steps: the method comprises the following steps:

step 2, conveying the plates: the positioning part of the transfer part acts, a positioning pin of the transfer part is inserted into a plate positioning hole, the lifting part is lifted to a specified height, the conveying part conveys the plate to a small bending station, the lifting mechanism is lowered to a material placing position, the positioning pin extracts the plate, and the conveying mechanism returns to the previous station;

and 3, small bending, comprising the following steps:

step 6, riveting an upper connecting plate and a lower connecting plate:

step 62, transversely positioning the box body; the box body bent in the step 4 is transferred and loaded on the box body transverse positioning mechanism through the transfer mechanism, the box body is limited through pulley guiding and a baffle plate, so that the side wall of the box body is fixed, and meanwhile, the pressing claw is pushed by the air cylinder to rotate to press a bending plate on the inner side of the box body tightly, so that the box body is positioned;

step 63, riveting the upper connecting plate and the lower connecting plate, moving the lower riveting pliers of the two connecting plate riveting dies upwards simultaneously, and riveting two ends of the upper connecting plate and the lower connecting plate on the box body bending plate;

step 7, riveting a front angle plate:

step 8, riveting a rear corner plate:

step 9, blanking: