CN113319207A

CN113319207A - Dish washer inner bag rolls rivets assembly line

Info

Publication number: CN113319207A
Application number: CN202110884201.2A
Authority: CN
Inventors: 钟祥源; 苏鑫; 罗文成; 其他发明人请求不公开姓名
Original assignee: Foshan Longshen Robot Co Ltd
Current assignee: Foshan Longshen Robot Co Ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2021-08-31
Anticipated expiration: 2041-08-03
Also published as: WO2023010693A1; CN113319207B

Abstract

The invention provides a dish washer liner roll riveting processing line which comprises a pre-assembly die for pre-assembling a middle plate, a top plate and a bottom plate, a roll riveting machine for roll riveting a pre-assembled dish washer liner semi-finished product and a manipulator for transferring the dish washer liner semi-finished product from the pre-assembly die to the roll riveting machine, wherein the pre-assembly die is used for pre-assembling the middle plate, the top plate and the bottom plate; the preassembly die is provided with a first positioning surface for positioning the bottom plate and a second positioning surface for positioning the top plate, the first positioning surface and the second positioning surface are respectively vertical to a horizontal plane, and the distance between the first positioning surface and the second positioning surface is adjustable; the manipulator comprises a transfer clamp, and the transfer clamp is provided with two clamping areas with adjustable intervals; the roll riveting machine comprises a roll riveting die and a roll riveting module, wherein the roll riveting die is provided with two roll riveting support areas with adjustable intervals. The dish washer inner container roll riveting production line can be suitable for processing of dish washer inner containers with middle plates of different heights, and has good processing convenience for processing of the dish washer inner containers.

Description

Dish washer inner bag rolls rivets assembly line

Technical Field

The invention relates to the field of machining, in particular to a dish washer liner roll riveting production line.

Background

Fig. 1 is a schematic diagram of a three-dimensional structure of an inner container of a dishwasher in the prior art, fig. 2 is a schematic diagram of a three-dimensional structure of a middle plate of an inner container of a dishwasher in the prior art, fig. 3 is a schematic diagram of a bottom plate structure of an inner container of a dishwasher in the prior art, fig. 4 is a schematic diagram of a top plate structure of an inner container of a dishwasher in the prior art, for clarity of illustration, a space rectangular coordinate system is marked in fig. 1 of the accompanying drawings, the space rectangular coordinate system is bound on the middle plate 1, and space postures of other schematic diagrams are consistent with fig. 1 of the accompanying drawings.

Referring to a coordinate system in the figure, the inner container of the dishwasher is formed by assembling a middle plate 1, a bottom plate 2 and a top plate 3, basically, the cross-sectional structure of the middle plate 1 is n-shaped, and the bottom plate 2 and the top plate 3 are respectively arranged on two opening positions of the middle plate in the x direction.

Specifically, the middle plate 1 is generally a structure formed by bending and other sheet metal processing of a plate, the middle plate is formed by a first middle plate side plate 6 located in the negative y direction, a middle plate top plate 5 located in the positive z direction and a second middle plate side plate 4 located in the positive y direction, the first middle plate side plate 6, the middle plate top plate 5 and the second middle plate side plate 4 are sequentially connected, and the connection position is generally an arc structure designed according to the preset; the first middle plate side plate 6, the middle plate top plate 5 and the second middle plate side plate 4 are respectively processed with a certain shape structure according to the structure requirement, and it should be noted that the first middle plate side plate 6 and the second middle plate side plate 4 are respectively provided with an everted middle plate folding edge 7.

Specifically, the top plate 3 is generally a structure formed by sheet metal processing such as die pressing of plates, and comprises a top plate main body 8 which is mainly of a plane structure and a top plate edge covering 9 located around the top plate main body, the top plate main body 8 and the top plate edge covering 9 are connected through a pre-designed circular arc connecting structure, and corresponding local structures are designed on the top plate main body 8 and the top plate edge covering 9 according to requirements.

Specifically, the bottom plate 2 is generally a structure formed by sheet metal processing such as die pressing of a plate, the bottom plate 2 comprises a bottom plate main body 10 which is mainly of a plane structure and a bottom plate edge covering 11 which is located around the bottom plate main body, the bottom plate main body 10 and the bottom plate edge covering 11 are connected through a pre-designed circular arc connecting structure, and the bottom plate main body 10 and the bottom plate edge covering 11 are designed with corresponding local structures according to requirements.

Fig. 5 is a partially enlarged view of the cross-sectional structure of the middle plate and the bottom plate, and fig. 6 is a partially enlarged view of the cross-sectional structure of the middle plate and the top plate. In specific implementation, the middle plate 1 is provided with a lower flanging surface 12 and an upper flanging surface 14, correspondingly, the top plate is provided with a top plate flanging surface 15, the bottom plate is provided with a bottom plate flanging surface 13, according to the structure shown in the figure, the top plate flanging surface 15 and the upper flanging surface 14 are buckled together, the bottom plate flanging surface 13 and the lower flanging surface 12 are buckled together, and the top plate, the middle plate and the bottom plate are combined to form the dishwasher liner.

Fig. 7 is a schematic cross-sectional structure of an inner container of a dishwasher before a roll riveting operation, before the roll riveting operation, the top plate, the middle plate and the bottom plate need to be fixed in relative positions and then subjected to the roll riveting operation, correspondingly, before the roll riveting operation, the relative positions of the top plate 3, the middle plate 1 and the bottom plate 2 are shown in fig. 7, and the schematic structure of the top plate flanging surface, the bottom plate flanging surface, the upper flanging surface and the lower flanging surface before the roll riveting operation is shown in fig. 7.

In order to improve the production efficiency of the inner container of the dish washing machine, a dish washing machine inner container rolling riveting processing production line is required to be designed for carrying out quick rolling riveting assembly on the dish washing machine inner container.

Disclosure of Invention

The invention provides a dish washer liner roll riveting production line which can automatically realize the processing of finished products of a dish washer liner from material supply to roll riveting operation, and the dish washer liner roll riveting production line can be suitable for the processing of dish washer liners with middle plates of different heights, and has good processing convenience.

Correspondingly, the invention provides a dish-washing machine liner rolling riveting processing line which comprises a pre-assembly mould for pre-assembling a middle plate, a top plate and a bottom plate, a rolling riveting machine for performing rolling riveting operation on a pre-assembled dish-washing machine liner semi-finished product and a manipulator for transferring the dish-washing machine liner semi-finished product from the pre-assembly mould to the rolling riveting machine;

the preassembly mold is provided with a first positioning surface for positioning the bottom plate and a second positioning surface for positioning the top plate, the first positioning surface and the second positioning surface are respectively vertical to a horizontal plane, and the distance between the first positioning surface and the second positioning surface is adjustable;

the manipulator comprises a transfer clamp, the transfer clamp is provided with two clamping areas with adjustable distance, and any one of the clamping areas is established based on a group of top clamping jaw assemblies and two groups of side clamping jaws;

the roll riveting machine comprises a roll riveting die and roll riveting modules, wherein the roll riveting die is provided with two roll riveting support areas with adjustable intervals, the two roll riveting modules correspond to the two roll riveting support areas respectively, and the roll riveting modules can move towards or away from the corresponding roll riveting support areas.

In an alternative embodiment, the pre-assembly mold comprises a mold support, an adjustment device, a bottom plate mold assembly, and a top plate mold assembly;

the preassembly mould is provided with a relative orthogonal coordinate system fixed relative to the mould bracket, and three axes of the relative orthogonal coordinate system are a first axis, a second axis and a third axis respectively;

the first positioning surface is located on the positive direction of the first axis of the die support, and the second positioning surface is located on the negative direction of the first axis of the die support;

the bottom plate mold assembly is arranged on the mold bracket;

the adjusting device comprises an adjusting driving piece, a body of the adjusting driving piece is fixed on the die support, and the top plate die assembly is arranged at a driving end of the adjusting driving piece;

the first locating surface is established based on the bottom plate die assembly, the second locating surface is established based on the top plate die assembly, and the distance between the second locating surface and the first locating surface is adjusted through the driving end of the adjusting driving piece.

In an optional embodiment, the transfer jig is configured according to an absolute orthogonal coordinate system, wherein three axial directions of the absolute orthogonal coordinate system respectively include an x direction, a y direction and a z direction; the direction of a third axis of the relative orthogonal coordinate system is the same as the direction of z of the absolute orthogonal coordinate system;

the transfer fixture comprises a connecting frame, a top limiting assembly and two groups of side clamping jaw assemblies arranged in a mirror image mode, wherein the two groups of side clamping jaw assemblies are arranged on the connecting frame and are oppositely arranged along the y direction;

the connecting frame comprises a fixed support plate, a moving support plate and a support plate adjusting module, and the moving support plate moves relative to the fixed support plate along the x direction based on the support plate adjusting module;

any group of side clamping jaw assemblies comprises a fixed part bottom plate and a moving part bottom plate, the fixed part bottom plate and the fixed support plate are relatively fixed at the x-direction position, the moving part bottom plate and the moving support plate are relatively fixed at the x-direction position, and side clamping jaw modules facing the clamping space are respectively arranged on the fixed part bottom plate and the moving part bottom plate;

the top limit assembly comprises two groups of top limit modules which are respectively arranged on the fixed bracket plate and the moving bracket plate;

two sets of side jaw modules and one set of top limit modules located on the same side establish one said clamping area.

In an alternative embodiment, the robot further comprises a multi-axis robot arm, and the transfer jig is disposed on a working end of the multi-axis robot arm.

In an optional embodiment, the roll riveting die comprises a roll riveting die bracket, a fixed roll riveting die set, a movable roll riveting die set and a roll riveting die adjusting module, and the roll riveting die bracket is fixed in arrangement position;

the fixed roll riveting die set comprises a fixed bottom plate and a bottom plate roll riveting support module, the bottom plate roll riveting support module is arranged on the fixed bottom plate, and the bottom plate roll riveting support module is provided with a first roll riveting support surface for supporting the bottom plate and the middle plate in roll riveting operation;

the movable roll riveting die set comprises a movable bottom plate and a top plate roll riveting support module, the top plate roll riveting support module is arranged on the movable bottom plate, and the top plate roll riveting support module is provided with a second roll riveting support surface for supporting the top plate and the middle plate in roll riveting operation;

the rolling riveting die adjusting module comprises a rolling riveting adjusting driving piece;

in the x direction, the output end of the rolling riveting adjusting driving piece reciprocates along the x direction, the movable bottom plate is relatively fixed with the output end of the rolling riveting adjusting driving piece, and the body of the rolling riveting adjusting driving piece and the fixed bottom plate are respectively relatively fixed with the rolling riveting die support;

the first rolling rivet support surface and the second rolling rivet support surface belong to two rolling rivet support areas.

In an optional embodiment, the roll riveting module comprises a roll riveting module seat, a profiling, a track die, a roll riveting chain module and a roll riveting driving module;

the profiling and the track die are respectively arranged on the roll riveting die set seat, the track die comprises an outer track die and an inner track die, a chain guide rail with an n-shaped track is formed between the outer wall of the inner track die and the inner wall of the outer track die, the profiling is positioned on the inner side of the inner track die, and a driving space is formed below the chain guide rail;

the roll riveting chain module comprises a roll riveting chain and a plurality of roll riveting wheels which are connected end to end, the roll riveting chain is formed by sequentially connecting a plurality of standard chain links, any standard chain link comprises a roll riveting shaft, and the width of the chain guide rail is matched with the roll riveting shaft;

any one of the rolling riveting wheels is coaxially connected with a corresponding rolling riveting shaft, all the rolling riveting wheels are positioned on the same side of the track mold, and a leaning mold cavity for adapting to a top plate or a bottom plate is arranged on one side of the rolling riveting wheel of the profiling mold;

the rolling riveting driving module comprises a rolling riveting driving wheel, the rolling riveting driving wheel is positioned in the driving space, and the rolling riveting chain is matched on the rolling riveting driving wheel; the rolling riveting chain is driven to move along the chain guide track based on the rolling riveting driving wheel, and the rolling riveting wheels move along a rolling riveting track;

when the rolling riveting module moves to a preset position towards the corresponding rolling riveting support area, the rolling riveting track surrounds the corresponding rolling riveting support surface.

In an optional embodiment, any group of the rolling riveting modules is provided with a corresponding rolling riveting module driving part, and any group of the rolling riveting modules is driven to move towards or away from the rolling riveting die based on the corresponding rolling riveting module driving part;

and the rolling riveting module spacing adjusting assembly is arranged between the driving end of one group of rolling riveting module driving pieces and the corresponding rolling riveting module.

In an alternative embodiment, any of the standard links further comprises double-layer link plates;

in the roll riveting chain, a roll riveting shaft in any standard chain link is connected with a roll riveting shaft in an adjacent standard chain link on the basis of a corresponding double-layer chain plate;

and any one of the rivet rolling shafts is respectively matched with two groups of double-layer chain plates.

In an optional implementation manner, the outer track mold comprises a first outer track template and a second outer track template which are arranged oppositely at a preset distance, and any one rivet rolling shaft is limited between the first outer track template and the second outer track template based on one of two corresponding double-layer chain plates;

and/or the inner track die comprises a first inner track die plate and a second inner track die plate which are arranged opposite to each other at intervals of preset distance, and any one rivet rolling shaft is limited between the first inner track die plate and the second inner track die plate based on one group of double-layer chain plates in the two groups of corresponding double-layer chain plates.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of an inner container of a dishwasher in the prior art.

Fig. 2 is a schematic diagram of a three-dimensional structure of a middle plate of a dishwasher liner in the prior art.

Fig. 3 is a schematic structural diagram of a bottom plate of a dishwasher liner in the prior art.

Fig. 4 is a schematic structural view of a top plate of a dishwasher liner in the prior art.

FIG. 5 is a partially enlarged schematic view of the cross-sectional structure of the connection position of the middle plate and the bottom plate.

FIG. 6 is a partially enlarged schematic view of the cross-sectional structure of the connection position of the middle plate and the top plate.

FIG. 7 is a schematic sectional view of the inner tub of the dishwasher before the roll riveting operation.

FIG. 8 is a schematic view of a three-dimensional structure of a dish washer liner roll-riveting processing line according to an embodiment of the invention.

Fig. 9 is a schematic three-dimensional structure diagram of a pre-assembly mold for a dishwasher liner according to an embodiment of the present invention.

Fig. 10 is a side view of a pre-assembly mold for a dishwasher liner according to an embodiment of the present invention.

Fig. 11 is a front view of a pre-assembled mold for a dishwasher liner according to an embodiment of the present invention.

Fig. 12 is a bottom view of a pre-assembly mold for a dishwasher liner according to an embodiment of the present invention.

Fig. 13 is a schematic three-dimensional structure diagram of an adjusting driving member of a pre-assembly mold for a dishwasher liner according to an embodiment of the present invention.

Fig. 14 is a schematic three-dimensional structure diagram of a robot hand according to an embodiment of the present invention.

Fig. 15 shows a schematic three-dimensional structure of a transfer fixture for a dishwasher liner according to an embodiment of the present invention.

Figure 16 shows a top view of a transfer clip for a dishwasher liner according to an embodiment of the present invention.

Fig. 17 shows a front view partially enlarged schematic view of a transfer fixture for a dishwasher liner according to an embodiment of the present invention.

Figure 18 shows a bottom view of a transfer clip for a dishwasher liner according to an embodiment of the present invention.

Figure 19 shows a top view of a side jaw module of an embodiment of the present invention.

Figure 20 illustrates a side view of a top stop module of an embodiment of the present invention.

Fig. 21 is a schematic three-dimensional structure view of a rolling riveting and rolling riveting die for a dishwasher liner according to an embodiment of the present invention.

Fig. 22 is a schematic view of a forward viewing angle z of a roll riveting die for a dishwasher liner according to an embodiment of the present invention.

Fig. 23 is a schematic view of a negative viewing angle of a roll riveting die for a dishwasher liner according to an embodiment of the present invention.

Fig. 24 is a schematic view of a roll riveting die for a dishwasher liner from a negative x-direction view according to an embodiment of the present invention.

Fig. 25 is a schematic view of a forward viewing angle x of a roll riveting die for a dishwasher liner according to an embodiment of the present invention.

Fig. 26 is a schematic three-dimensional structure view of a movable roll riveting die of the roll riveting die for the dishwasher liner according to the embodiment of the present invention.

Fig. 27 is a schematic three-dimensional structure diagram of a roll riveting module according to an embodiment of the invention.

Fig. 28 is a front view of a roll-riveting module according to an embodiment of the invention.

Fig. 29 is a schematic diagram of a three-dimensional structure of a track model according to an embodiment of the present invention.

FIG. 30 is a front view of a modular link according to an embodiment of the present invention.

Fig. 31 is a top perspective view of a riveter according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, in the embodiment of the present invention, two coordinate systems are provided, specifically, two coordinate systems are a relative orthogonal coordinate system and an absolute orthogonal coordinate system, specifically, three axes of the relative orthogonal coordinate system are a first axis, a second axis and a third axis, respectively; the three-axis directions of the absolute orthogonal coordinate system respectively comprise an x direction, a y direction and a z direction; and the direction of a third axis of the relative orthogonal coordinate system is the same as the direction of the z of the absolute orthogonal coordinate system.

Specifically, the absolute orthogonal coordinate system is fixed outside the rolling riveting processing line of the inner container of the dishwasher, the relative orthogonal coordinate system is fixedly connected on the die support, and the die support can rotate around a rotating shaft parallel to the third axis, so that the relative position between the relative orthogonal coordinate system and the absolute orthogonal coordinate system is changeable; in the drawings of the embodiments of the present invention, for convenience of illustration and description, the pre-assembled mold is adjusted to a predetermined position such that the first axis is in the same direction as the x-axis, the second axis is in the same direction as the y-axis, the relative orthogonal coordinate system coincides with the absolute orthogonal coordinate system, and the absolute orthogonal coordinate system is used for description.

Fig. 8 shows a three-dimensional structure diagram of a dish washer liner roll riveting production line of an embodiment of the invention, and it should be noted that, since the pre-assembly mold is rotatable, the description of the structure and the direction of the pre-assembly mold is only based on the corresponding view for easy understanding.

Basically, the embodiment of the invention provides a dish washer liner roll riveting production line, which comprises a pre-assembly mold 1000 for pre-assembling a middle plate, a top plate and a bottom plate, a roll riveting machine 3000 for roll riveting a pre-assembled dish washer liner semi-finished product, and a manipulator 2000 for transferring the dish washer liner semi-finished product from the pre-assembly mold to the roll riveting machine;

the preassembly mold 1000 is provided with a first positioning surface for positioning the bottom plate and a second positioning surface for positioning the top plate, the first positioning surface and the second positioning surface are respectively perpendicular to a horizontal plane, and the distance between the first positioning surface and the second positioning surface is adjustable;

the robot 2000 comprises a transfer gripper having two gripping areas with adjustable spacing, either of which is established based on one set of top gripper jaw assemblies and two sets of side gripper jaws;

the roll riveting machine 3000 comprises a roll riveting die and roll riveting modules, wherein the roll riveting die is provided with two roll riveting support areas with adjustable intervals, the two roll riveting modules correspond to the two roll riveting support areas respectively, and the roll riveting modules can move towards or away from the corresponding roll riveting support areas.

In specific implementation, the preassembly die 1000 is firstly utilized to complete preassembly of three main components (a middle plate, a top plate and a bottom plate) of the dishwasher liner, so that the requirements of the riveting operation of the riveting machine 3000 are met; then the dish washer inner bag semi-manufactured goods that will pre-assembly accomplish are whole to be shifted to the mould of riveting of rolling of riveting machine through the manipulator, and the mould of riveting rolls and carries out the position location back once more to dish washer inner bag semi-manufactured goods, rolls through the module of riveting to dish washer inner bag semi-manufactured goods and rivets the operation to accomplish the equipment of riveting of rolling of dish washer inner bag. Specifically, in the rolling riveting assembly process of the inner container of the dish washing machine, due to the fact that workers are involved in feeding and gluing of the centering plate, the top plate and the bottom plate, pre-assembly needs to be carried out through a pre-assembly die, and the semi-finished product of the inner container of the dish washing machine is integrally transferred to the rolling riveting die through the integral transferring mode.

The rolling riveting processing line for the inner container of the dish-washing machine, provided by the invention, has the advantages that the rolling riveting assembly line can be adapted to the rolling riveting assembly of the inner container of the dish-washing machine with middle plates with different heights, and has good use convenience in actual production.

In order to ensure the adaptive capacity of the dishwasher liner with middle plates of different heights, the embodiment of the invention correspondingly improves the structures of three devices, namely a pre-assembly die, a manipulator and a riveting roll. Specifically, a description will be given below of a specific embodiment of each apparatus.

Pre-assembling a mold:

fig. 9 is a schematic three-dimensional structure diagram of a pre-assembly mold for a dishwasher liner according to an embodiment of the present invention, fig. 10 is a side view of the pre-assembly mold for the dishwasher liner according to the embodiment of the present invention, fig. 11 is a front view of the pre-assembly mold for the dishwasher liner according to the embodiment of the present invention, fig. 12 is a bottom view of the pre-assembly mold for the dishwasher liner according to the embodiment of the present invention, and fig. 13 is a schematic three-dimensional structure diagram of an adjustment driving member of the pre-assembly mold for the dishwasher liner according to the embodiment of the present invention.

It should be noted that, for the sake of descriptive accuracy, the relative orthogonal rectangular coordinate system is affixed to the mold carrier 101, since the mold carrier 101 and the equipment thereon can be rotated about the pivot axis 120 parallel to the third axis based on the mold turning assembly 119.

Specifically, the embodiment of the invention provides a pre-assembly die for a dishwasher liner, which basically comprises a die support 101, wherein the pre-assembly die comprises a first positioning surface 191 located on the first axis of the die support 101 in a positive direction, a second positioning surface 192 located on the first axis of the die support 101 in a negative direction, a third positioning surface 193 located on the second axis of the die support 101 in a positive direction, a fourth positioning surface 194 located on the second axis of the die support 101 in a negative direction and a fifth positioning surface 195 located on the third axis of the die support 101 in a positive direction, and the first axis, the second axis and the third axis are arranged in an orthogonal manner.

With regard to the structure of the dishwasher liner shown in fig. 1 to 7, in particular, the preassembly mold provided by the embodiment of the present invention is to solve the positioning problem before the connection (riveting) between the middle plate, the top plate and the bottom plate, so in the embodiment of the present invention, the middle plate, the top plate and the bottom plate are regarded as a flat plate type structure of the base plate, and only the structural features of the connection position are retained for convenience of description. Correspondingly, the above-mentioned positioning surface specifically refers to the object as a plane in the space, specifically, the inner wall of the middle plate (the inner wall of the first middle plate side plate, the inner wall of the second middle plate side plate, the inner wall of the middle plate top plate) overlaps with the third positioning surface 193, the fourth positioning surface 194 and the fifth positioning surface 195, the bottom plate main body of the bottom plate overlaps with the first positioning surface 191, the top plate main body inner wall of the top plate overlaps with the second positioning surface 192, after the overlapping relation between the upper positioning surface and the corresponding inner wall is satisfied, the relative position between the lower flanging surface of the middle plate and the bottom plate flanging surface of the bottom plate satisfies the pre-assembly requirement, the upper flanging surface of the middle plate and the top plate flanging surface of the top plate satisfy the pre-assembly requirement, and the dishwasher liner integrally satisfies the pre-assembly positioning requirement before the rolling riveting operation.

Specifically, the mold holder 101 is a fixed structure, and the relative orientations of the first positioning surface 191, the second positioning surface 192, the third positioning surface 193, the fourth positioning surface 194, and the fifth positioning surface 195 are fixed with reference to the mold holder 101, and basically, the first positioning surface 191, the second positioning surface 192, the third positioning surface 193, the fourth positioning surface 194, and the fifth positioning surface 195 are respectively provided so as to surround in a specific direction of the mold holder 101.

Basically, the pre-assembled mould comprises an adjustment device, a bottom plate mould assembly 103 and a top plate mould assembly 104;

the bottom plate mold assembly 103 is disposed on the mold support 101;

the adjusting device comprises an adjusting driving member 114, the body of the adjusting driving member 114 is fixed on the die support 101, and the top plate die assembly 104 is arranged on the driving end of the adjusting driving member 114;

the first locating surface 191 is established based on the bottom plate mold assembly 103, the second locating surface 192 is established based on the top plate mold assembly 104, and the distance between the second locating surface 192 and the first locating surface 191 is adjusted by the drive end of the adjustment drive 114.

In particular, the effect of the middle plates of different heights (x-direction size) on the preassembly of the dishwasher liner mainly affects the distance between the top plate and the bottom plate of the dishwasher liner during preassembly, the distance between the top plate and the bottom plate is controlled by the distance between the first positioning surface 191 and the second positioning surface 192, thus, embodiments of the present invention provide a pre-assembled mold having a first locating surface 191 in the region of the bottom plate mold assembly 103, a second locating surface 192 established by the top plate mold assembly 104, under the control of an adjustment device, essentially an adjustment drive 114, the bottom plate die assembly 103 is fixed relative to the die holder 101, the top plate die assembly 104 is fixed relative to the drive end of the adjustment drive 114, driven by the adjustment drive 114, the distance between the top plate mold assembly 104 and the bottom plate mold assembly 103 is adjustable, thereby achieving the purpose of adjusting the distance between the first positioning surface 191 and the second positioning surface 192.

Specifically, in the embodiment of the present invention, the adjusting driving member 114 is an air cylinder. Accordingly, the drive end of the cylinder generally has two positioning positions, and accordingly, the preassembly mold using the cylinder as the adjusting drive piece 114 can be adapted to the middle plates of two heights, namely, the preassembly of two dishwasher liners is realized. Specifically, by replacing the middle plates of two heights, the height of the dishwasher liner can be 775 mm and 815 mm.

Specifically, for the specific forming manner of the first positioning surface 191 and the second positioning surface 192, the bottom plate mold assembly 103 includes a bottom plate mold driving member 122 and a bottom plate suction cup device, the body of the bottom plate mold driving member 122 is fixed on the mold support 101, the driving end of the bottom plate mold driving member 122 moves along the first axial direction, the bottom plate suction cup device is disposed on the driving end of the bottom plate mold driving member 122, and when the driving end of the bottom plate mold driving member 122 moves to the stroke end point of the first axial direction, one side of the bottom plate suction cup device away from the top plate mold assembly 104 establishes the first positioning surface 191;

the top plate die assembly 104 comprises a top plate die driving member 121 and a top plate suction cup device, wherein the body of the top plate die driving member 121 is fixed on the output end of the adjusting driving member 114, the driving end of the top plate die driving member 121 moves along the first axial direction, and the top plate suction cup device is arranged on the driving end of the top plate die driving member 121;

the second locating surface 192 is established on the side of the top plate suction cup device away from the bottom plate die assembly 103 when the drive end of the adjustment drive 114 moves to a predetermined position and the drive end of the top plate die drive 121 moves to the end of the negative first axis stroke.

Specifically, the bottom plate sucker device and the top plate sucker device of the embodiment of the invention are driven to move in the x direction based on the corresponding die driving parts; because the dish washer inner bag need take out after preassembling, in order to avoid bottom plate sucking disc device and roof sucking disc device to cause the influence to taking out of dish washer inner bag, bottom plate sucking disc device and roof sucking disc device are accomplishing the back to the location of roof and bottom plate, return through bottom plate sucking disc device and roof sucking disc device, avoid bottom plate sucking disc device and bottom plate to produce the contact, and avoid roof sucking disc device and roof to produce the contact, thereby avoided preassembling the mould to cause the influence to taking out of dish washer inner bag.

Accordingly, according to the foregoing description of the motion and functions of the bottom plate sucking disc device and the top plate sucking disc device, the bottom plate sucking disc device and the top plate sucking disc device only need two position states to meet the implementation requirement, and therefore, in the embodiment of the present invention, the bottom plate mold driving member 122 is an air cylinder; and/or the top plate mold drive 121 is a pneumatic cylinder.

Specifically, since the top plate and the bottom plate are plate structures, a certain bending deformation is generated in the assembly posture of the embodiment of the invention under the action of gravity, in order to ensure the positioning effect of the main body of the top plate and the main body of the bottom plate, the bottom plate sucker device comprises a plurality of first suckers 109 which are fixed in position with each other and the operation surfaces of which face to the positive direction of the first axis, and the operation surfaces of the plurality of first suckers 109 are positioned on the same plane; and/or the roof suction cup device comprises a plurality of second suction cups 113 which are fixed in position and have working surfaces facing the forward direction of the first axis, and the working surfaces of the second suction cups 113 are positioned on the same plane. Utilize first sucking disc 109 and second sucking disc 113 to carry out the multiple spot respectively to a plurality of local position on bottom plate and the roof and adsorb, each local position in the main part of even main part with the roof and the main part of bottom plate adsorbs fixedly, and the deformation of effectual control roof and bottom plate guarantees roof and bottom plate location effect. In addition, the bottom plate sucker device or the top plate sucker device generally comprises corresponding connecting structural members so as to meet the fixing and transmission requirements of the sucker, and the bottom plate sucker device or the top plate sucker device can be designed according to actual requirements in specific implementation.

It should be noted that the end of the suction cup is generally made of a soft material, and when the suction cup is in operation, the end of the suction cup deforms to a certain extent to adhere to an object to be sucked, so that the position of the suction cup fixed to the object to be sucked is the operation surface of the suction cup in actual operation.

Furthermore, the middle plate of the inner container of the dishwasher is required to be positioned, and in the embodiment of the invention,

the preassembly mold further comprises a middle plate mold assembly, the middle plate mold assembly comprises a middle plate fixing mold 102, and the middle plate fixing mold 102 is arranged on the mold support 101;

the second axial positive surface of the middle plate fixing mold 102 establishes the third positioning surface 193;

the second axial negative surface of the midplane fixed die 102 establishes the fourth locating surface 194;

the third axis positive surface of the midplane holding die 102 establishes the fifth locating surface 195.

Specifically, since the middle plate adapted to the pre-assembly mold of the embodiment of the present invention only changes in height, and the middle plate fixing mold 102 mainly performs the matching positioning of the connecting arc structure (the radius of the connecting arc structure is generally R40 mm) between the top plate and the side plate of the middle plate, the middle plate fixing mold 102 is substantially a certain mold, and the position of the middle plate fixing mold 102 is relatively fixed to the mold support 101; the adaptation with respect to the middle plates of different heights needs to be achieved by means of a bottom plate mould assembly and a top plate mould assembly.

Specifically, the embodiment of the present invention further positions a middle plate flanging of the middle plate with respect to the structural characteristics of the middle plate, and specifically, the middle plate die assembly further includes a middle plate stopper 123 and a middle plate side pressing module 107;

a group of middle plate limiting blocks are respectively arranged on the positive surface and the negative surface of the second axis of the die support 101; a group of middle plate side pressure modules 107 are correspondingly arranged outside the middle plate fixing mold 102 corresponding to each group of middle plate limiting blocks;

any one set of the middle plate side pressure modules 107 includes a side pressure driving element 115 and a side pressure block 116, and the side pressure block 116 is driven to press against the middle plate stopper 123 by the side pressure driving element 115 or the side pressure block 116 is driven to be disengaged from the middle plate stopper 123 by the side pressure driving element 115.

Specifically, two sets of middle plate limit blocks located in the positive direction of the second axis and the negative direction of the second axis of the mold support 101 may limit the first middle plate side plate and the second middle plate side plate of the middle plate when the middle plate is placed on the pre-assembly mold, and the side pressure block 116 may drive the middle plate hem of the middle plate to be pressed on the middle plate limit blocks through the side pressure driving element 115 after the middle plate is fed, so that the middle plate hem of the middle plate is fixed.

Specifically, when the preassembly mold according to the embodiment of the present invention is used, firstly, a middle plate needs to be loaded, and the middle plate needs to be positioned and matched by the third positioning surface 193, the fourth positioning surface 194, and the fifth positioning surface 195, and also needs to control the x-direction position of the middle plate, so as to ensure the convenience in assembling the subsequent top plate and the bottom plate. Therefore, in the embodiment of the present invention, the middle plate mold assembly further includes a fixed limiting assembly 105 and a movable limiting assembly 106;

the fixed limit assembly 105 comprises a fixed limit driving element 130 and a fixed limit block 110, the body of the fixed limit driving element is fixed relative to the die holder 101 in the first axial direction, the driving end of the fixed limit driving element moves in the third axial direction, and the fixed limit block 110 is arranged on the driving end of the fixed limit driving element;

the movable limiting assembly 106 comprises a movable limiting driving part 112 and a movable limiting block 111, the body of the movable limiting driving part 112 and the top plate suction cup device are fixed in relative position in the first axial direction, the driving end of the movable limiting driving part 112 moves in the third axial direction, and the movable limiting block 111 is arranged at the driving end of the movable limiting driving part 112;

the fixed limiting block 110 has a first middle plate height limiting surface facing the movable limiting block 111, and the movable limiting block 111 has a second middle plate height limiting surface facing the fixed limiting block 110;

when the driving end of the fixed limit driving member moves to the forward stroke end of the third axis and the driving end of the movable limit driving member 112 moves to the forward stroke end of the third axis, the first middle plate height limit surface and the second middle plate height limit surface are opposite, and the fifth positioning surface 195 passes through the first middle plate height limit surface and the second middle plate height limit surface respectively.

Specifically, the fixed limiting block 110 and the movable limiting block 111 are parts capable of moving along the z direction, the fixed limiting block 110 and the mold support 101 are relatively fixed in the x direction, and the movable limiting block 111 and the top plate suction cup device are relatively fixed in the x direction; because the bottom plate sucker device and the top plate sucker device are used for controlling the distance between the top plate and the bottom plate, correspondingly, the space between the bottom plate sucker device and the top plate sucker device for accommodating the middle plate can be correspondingly adjusted, through the design mode, when the fixed limiting block 110 and the movable limiting block 111 move to the stroke end point along the z forward direction, the first middle plate height limiting surface is opposite to the second middle plate height limiting surface, and the first middle plate height limiting surface and the second middle plate height limiting surface can limit the position of the middle plate in the x direction; after the positioning of the first middle plate height limiting surface and the second middle plate height limiting surface to the centering plate is finished, the fixed limiting block 110 and the movable limiting block 111 respectively move towards the negative z direction to avoid the interference to the subsequent assembly.

Specifically, in order to effectively fix the middle plate, the middle plate die assembly further includes a third suction assembly corresponding to the third positioning surface 193, the third suction assembly includes a third suction driving member and a third suction cup 117, a body of the third suction driving member is relatively fixed to the die holder 101, a driving end of the third suction driving member moves along the second axis direction, the third suction cup 117 is fixed to the driving end of the third suction driving member, and a working surface of the third suction cup 117 faces the second axis direction, and when the driving end of the third suction driving member moves to a stroke end point of the second axis direction, the working surface of the third suction cup 117 coincides with the third positioning surface 193;

and/or the middle plate die assembly further includes a fourth suction assembly corresponding to the fourth positioning surface 194, the fourth suction assembly includes a fourth suction driving member and a fourth suction cup 118, a body of the fourth suction driving member is relatively fixed to the die holder 101, a driving end of the fourth suction driving member moves along a second axis direction, the fourth suction cup 118 is fixed to a driving end of the fourth suction driving member, and an operation surface of the fourth suction cup 118 faces the negative direction of the second axis direction, and when the driving end of the fourth suction driving member moves to a stroke end point of the negative direction of the second axis, the operation surface of the fourth suction cup 118 coincides with the fourth positioning surface 194;

and/or the middle plate mold assembly further comprises a fifth adsorption assembly corresponding to the fifth positioning surface 195, the fifth adsorption assembly comprises a fifth suction cup 108, the position of the fifth suction cup 108 is relatively fixed to the mold support 101, the working surface of the fifth suction cup 108 faces the forward direction of the third axis, and the working surface of the fifth suction cup 108 coincides with the fifth positioning surface 195.

Further, the loading direction of workers to the center, top and bottom plates may interfere with other machines, and for flexibility in field placement, the pre-assembled mold further includes a mold turning assembly 119; the mold turning assembly 119 is used to drive the mold carrier 101 about an axis of rotation 120 parallel to the third axis.

In summary, the invention provides a pre-assembly mold for an inner container of a dishwasher, which comprises the following use processes: before the middle plate, the bottom plate and the top plate are fed, the position of the driving end of the adjusting driving part 114 is adjusted to a matched position according to the height of the middle plate to be matched, the driving end of the bottom plate die driving part 122 moves to the positive stroke end point of the first axis, the driving end of the top plate die driving part 121 moves to the negative stroke end point of the first axis, and the fixed limiting block 110 and the movable limiting block 111 move to the positive z-direction stroke end point.

A worker firstly carries out feeding of the middle plate, the limiting of the middle plate in the x direction is realized through a fixed limiting block 110 and a movable limiting block 111, the middle plate fixing mold 102 carries out limiting of the middle plate in the y direction in an appearance adapting mode, the middle plate limiting block carries out limiting of the middle plate in the z direction, and at the moment, the basic limiting of the middle plate is completed; in order to ensure the attachment of the middle plate to each positioning surface, further, the fifth suction cup 108 of the fifth adsorption assembly sucks air, the third suction cup 117 and the fourth suction cup 118 move away from each other to the stroke end point and execute an air sucking action, the side pressing block 116 in the middle plate side pressing module 107 presses the middle plate hem on the middle plate limiting block, at this time, the positioning of the middle plate is completed, and the fixed limiting block 110 and the movable limiting block 111 move to the z-direction stroke end point to avoid interference on subsequent operation; a worker assembles the top plate and the bottom plate onto the middle plate, the basic limit of the top plate and the bottom plate is completed through the limit of the middle plate, the first suction disc 109 and the second suction disc 113 start to suck air, the top plate is attached to the first positioning surface 191, the bottom plate is attached to the second positioning surface 192, and the top plate and the bottom plate are positioned completely; after the clamp clamps the pre-assembled dishwasher liner, the driving end of the bottom plate mold driving part 122 and the driving end of the top plate mold driving part 121 retreat in corresponding directions, so as to avoid interference on the transfer of the dishwasher liner.

In conclusion, the pre-assembly die for the inner container of the dish-washing machine can be used for pre-assembling the middle plate, the top plate and the bottom plate of the inner container of the dish-washing machine, and can be adapted to the middle plates with different heights through the arrangement of the adjusting device, namely, the pre-assembly die can be used for pre-assembling the inner container of the dish-washing machine consisting of the middle plates with different heights, and has good production convenience; the preassembly die has the advantages that the corresponding sucker groups on each positioning surface are subjected to multi-point adsorption, so that the posture stability and the assembly position stability of the middle plate, the top plate and the bottom plate can be ensured; corresponding structural design is carried out to aiming at centering plate, roof and bottom plate, is favorable to guaranteeing that the cooperation of medium plate, roof and bottom plate joint position is good, has good practicality.

A mechanical arm:

fig. 14 is a schematic three-dimensional structure diagram of a robot hand according to an embodiment of the present invention. Accordingly, the present invention provides a robot arm comprising a multi-axis robot arm 960 and the above-described transfer jig 961 for a dishwasher liner; the transfer clamp 961 is disposed on the working end of the multi-axis robotic arm 960. Under the drive of multiaxis arm, transfer anchor clamps can carry out the motion at predetermineeing the plane within range to shift the dish washer inner bag.

Fig. 15 shows a schematic three-dimensional structure diagram of a transfer fixture for a dishwasher liner according to an embodiment of the present invention, fig. 16 shows a top view of the transfer fixture for a dishwasher liner according to an embodiment of the present invention, fig. 17 shows a partially enlarged front view of the transfer fixture for a dishwasher liner according to an embodiment of the present invention, fig. 18 shows a bottom view of the transfer fixture for a dishwasher liner according to an embodiment of the present invention, fig. 19 shows a top view of a side jaw module according to an embodiment of the present invention, and fig. 20 shows a side view of a top limit module according to an embodiment of the present invention.

For clarity of description, a spatial rectangular coordinate system is established according to the orientation illustrated in fig. 8 of the drawings.

Correspondingly, the invention provides a transfer clamp for a dishwasher liner, which comprises a connecting frame, a top limiting assembly and two groups of side clamping jaw assemblies arranged in a mirror image manner, wherein the two groups of clamping jaw assemblies are arranged on the connecting frame and oppositely arranged along the y direction;

the connecting frame comprises a fixed support plate 702, a moving support plate 701 and a support plate adjusting module 703, wherein the moving support plate 701 relatively moves along the x direction relative to the fixed support plate 702 based on the support plate adjusting module 703;

any group of the clamping jaw assemblies comprises a fixed part bottom plate 710 and a moving part bottom plate 706, the fixed part bottom plate 710 and the fixed bracket plate 702 are relatively fixed at an x-direction position, the moving part bottom plate 706 and the moving bracket plate 701 are relatively fixed at an x-direction position, and the fixed part bottom plate 710 and the moving part bottom plate 706 are respectively provided with a side clamping jaw module 712 facing the clamping space;

the top limit assembly comprises two groups of top limit modules which are respectively arranged on the fixed support plate 702 and the moving support plate 701;

Specifically, since the number of jaw assemblies is two, the total number of side jaw modules 712 is four; depending on the arrangement parts of the side jaw module 712, the side jaw module 712 provided on the fixed part is named a fixed side jaw module, and the side jaw module 712 provided on the moving part is named a moving side jaw module. Accordingly, the top limit module disposed on the fixed bracket plate 702 is named as a fixed top limit module 716, and the top limit module disposed on the moving bracket plate 701 is named as a moving top limit module 715.

Specifically, the dishwasher liner mainly needs to guarantee the connection structure stability of the combination position of the middle plate and the top plate and the combination position of the middle plate and the bottom plate in the transfer process, and combines the structure description of the dishwasher liner which is pre-assembled, namely, the relative position stability of the flanging surface of the top plate and the upper flanging surface of the middle plate needs to be guaranteed, and the relative position stability of the flanging surface of the bottom plate and the lower flanging surface of the middle plate needs to be guaranteed. Specifically, the matching structure of the top plate flanging surface and the (middle plate) upper flanging surface and the matching structure of the bottom plate flanging surface and the (middle plate) lower flanging surface are similar, in the embodiment of the invention, two fixed side clamping jaw modules and one fixed top limiting module 716 form a fixed positioning structure, and two moving side clamping jaw modules and one moving top limiting module 715 form a moving positioning structure to respectively limit the two.

Specifically, because two motion side clamping jaw modules and a motion top limit module 715 are installed on the movable part, the positioning structure composed of two motion side clamping jaw modules and a motion top limit module 715 can move along the x direction relative to the fixed positioning structure, correspondingly, the distance between the objects positioned by the positioning structure is adjustable (namely, the distance between the matching structure of the top plate flanging surface and the middle plate upper flanging surface and the distance between the matching structure of the bottom plate flanging surface and the middle plate lower flanging surface are adjustable), thereby meeting the requirement of transferring the dishwasher liners with different middle plate heights.

The transfer clamp further includes an ejection assembly 704, any set of the side jaw assemblies being disposed on the link frame based on the ejection assembly 704. Transfer anchor clamps when the operation, in the centre gripping space is entered into in the for the convenience of dishwasher inner bag, it is corresponding, release subassembly 704 can make the distance between two side clamping jaw subassemblies adjustable to enlarge the entry size in centre gripping space temporarily and supply the dishwasher inner bag to get into, and after the dishwasher inner bag entered into the centre gripping space, make side clamping jaw subassembly can move and carry out the centre gripping to the dishwasher inner bag on the position of predetermineeing.

In the embodiment of the present invention, the pushing assembly includes a pushing assembly fixing plate 707, a pushing element 708, and a synchronous motion module;

the pushing-out assembly fixing plate 707 is fixedly connected with the motion bracket plate 701, the body of the pushing-out element 708 is fixed on the pushing-out assembly fixing plate 707, the driving end of the pushing-out element 708 moves along the y direction, and the driving end of the pushing-out element 708 is fixedly connected with the moving part bottom plate 706 in the corresponding group of side clamping jaw assemblies;

the fixed part bottom plate 710 has a slide rail along the x direction, and the moving part bottom plate 706 is slidably fitted on the slide rail;

the synchronous motion module comprises a guide connecting piece 711 and a first guide part 709 which guides along the y direction;

the guide connector 711 is fixedly connected with the fixed support plate 702, and the fixed portion bottom plate 710 is slidably connected with the guide connector 711 through a first guide part 709;

based on the slide rails, the moving part base plate 706 and the fixed part base plate 710 move synchronously in the y direction.

Through the arrangement mode, the moving part bottom plate 706 can simultaneously meet the relative movement relation with the fixed part bottom plate 710 and the relative movement relation with the moving support plate 701, and the stability of the whole structure is kept.

Specifically, the clamping implementation structure of the side clamping jaw module 712 is:

any of the side jaw modules 712 includes first jaw motions 751, second jaw motions 750, and jaw drive elements 752; the first and second

jaw moving members

751 and 750 respectively drive the centering movement toward and away from each other based on the jaw driving element 752. A side clamping port 753 is formed between the first jaw moving member 751 and the second jaw moving member 750 to clamp a fitting structure of the middle plate upper flange face and the top plate flange face or a fitting structure of the middle plate lower flange face and the bottom plate flange face.

Correspondingly, the top limit module comprises a top limit member, and a side surface of the top limit member facing the clamping space is provided with a top clamping groove 754. In conjunction with the illustrated structure, the top detent recess 754 prevents separation of the mating structures of the corresponding medial plate upper and top plate flanging surfaces or the corresponding medial plate lower and bottom plate flanging surfaces.

Further, in view of the flanging configuration of the middle plate, the transfer fixture further comprises a plurality of sets of bottom clamping jaw assemblies 705;

any set of the bottom jaw assemblies 705 comprises a swing driving mechanism and a bottom jaw 757, the root of the bottom jaw 757 is driven by the swing driving mechanism, and the end of the bottom jaw 757 is provided with a limit block 756;

when the bottom jaw 757 is driven to the working position based on the swing driving mechanism, the end of the stopper 756 swings to the lower side of the clamping space.

Specifically, referring to the drawings, first, after the bottom clamping jaw 757 swings to a working position, the plate can be limited in the vertical direction; furthermore, by reasonably arranging the structure of the bottom clamping jaw 757, the bottom clamping jaw 757 can be matched with the folded edge of the centering plate in shape and position so as to better support the centering plate; furthermore, the limiting block 756 and the side clamping jaw module 712 on the corresponding side respectively limit the side plates of the middle plate from two sides, so that the position stability of the middle plate can be better ensured.

With respect to the mount plate adjustment module 703, in an embodiment of the present invention, the mount plate adjustment module 703 includes a first connection plate, a second connection plate, and a mount plate drive 717; the first connecting plate is fixedly connected with the fixed bracket plate 702; the second connecting plate is fixedly connected with the moving support plate 701; the body of the bracket plate driving part 717 is arranged on the first connecting plate, and the bracket plate driving part 717 is fixedly connected with the second connecting plate, or the body of the bracket plate driving part 717 is arranged on the second connecting plate, and the bracket plate driving part 717 is fixedly connected with the first connecting plate.

With this arrangement, the fixed bracket plate 702 and the moving bracket plate 701 achieve relative sliding in the x direction.

Further, first connecting plate and/or the second connecting plate orientation one side in centre gripping space is provided with the top and inhales the dish group to it is fixed to be used for carrying out the multiple spot absorption to the medium plate roof of median plate, improves the clamping capacity of transfer anchor clamps to the dish washer inner bag.

In specific implementation, when the transfer fixture for the dishwasher liner provided by the embodiment of the invention is used, the structural stability of the dishwasher liner preassembled in the transfer process can be ensured through the clamping of the side clamping jaw module 712, the clamping limit of the top limit module and the matching limit of the bottom clamping jaw 757; through the installation position setting of offside clamping jaw module 712 and top spacing module, this shift anchor clamps can the adaptation have the dish washer inner bag of co-altitude medium plate, and the production of remodeling is more convenient.

In summary, the embodiment of the invention provides a transfer fixture and a manipulator for a dishwasher liner, the transfer fixture can adjust the clamping position according to the height of a middle plate of the dishwasher liner, ensure the position stability between the middle plate and a top plate of the dishwasher liner and between the middle plate and a bottom plate of the dishwasher liner, and have good practicability; the manipulator can meet the requirements of transferring the pre-assembled semi-finished product of the inner container of the dish-washing machine and the finished product after riveting processing, and has good pertinence and practicability.

Specifically, the roll riveting machine includes a roll riveting die and a roll riveting module, and the following describes implementation structures of the roll riveting die and the roll riveting module, respectively.

And (3) rolling and riveting the die:

The invention provides a roll riveting die for a dishwasher liner, which comprises a roll riveting die bracket, a fixed roll riveting die set, a movable roll riveting die set and a roll riveting die adjusting module, wherein the roll riveting die bracket is fixed in arrangement position.

Specifically, the roll riveting die support is a structural component serving as a support structure (fixed) in the roll riveting die, and needs to be designed according to the setting conditions of other equipment in specific implementation.

Specifically, according to the rolling riveting track of the inner container of the dish washing machine during the rolling riveting operation, correspondingly, the inner wall of the inner container of the dish washing machine needs to be supported at the corresponding position. Specifically, referring to the connection structure of the middle plate and the top plate and the connection structure of the middle plate and the bottom plate, the rolling riveting track is an n-shaped track, and correspondingly, the cross section of the supporting surface matched with the rolling riveting track is also n-shaped. Specifically, the roll riveting die of the embodiment of the invention has a first roll riveting support surface 440 for supporting the roll riveting operation of the bottom plate and the middle plate, and the top plate roll riveting support module 404 has a second roll riveting support surface 430 for supporting the roll riveting operation of the top plate and the middle plate.

Specifically, the first rolling rivet support surface 440 includes a first rolling rivet left support surface 441, a first rolling rivet top support surface 442, and a first rolling rivet right support surface 443, which are connected in sequence; the second rolling riveting support surface 430 comprises a second rolling riveting left support surface 431, a second rolling riveting top support surface 432 and a second rolling riveting right support surface 433 which are connected in sequence. Specifically, the connection between each supporting surface is adapted according to the adapted inner container of the dishwasher.

The fixed roll riveting die set comprises a fixed bottom plate 401 and a bottom plate roll riveting support module 402, wherein the bottom plate roll riveting support module 402 is arranged on the fixed bottom plate 401, and the bottom plate roll riveting support module 402 is provided with a first roll riveting support surface 440 for supporting the bottom plate and the middle plate in roll riveting operation; the movable roll riveting die set comprises a movable bottom plate 403 and a top plate roll riveting supporting module 404, the top plate roll riveting supporting module 404 is arranged on the movable bottom plate 403, and the top plate roll riveting supporting module 404 is provided with a second roll riveting supporting surface 430 for supporting the top plate and the middle plate roll riveting operation; the roll riveting die adjusting module comprises a roll riveting adjusting driving piece 450; in the x direction, the output end of the roll riveting adjusting driving piece 450 reciprocates along the x direction, the movable bottom plate 403 is relatively fixed with the output end of the roll riveting adjusting driving piece 450, and the body of the roll riveting adjusting driving piece 450 and the fixed bottom plate 401 are respectively relatively fixed with the roll riveting die support.

Specifically, the first rolling riveting supporting surface 440 is established based on the bottom plate rolling riveting supporting module 402, the second rolling riveting supporting surface 430 is established based on the top plate rolling riveting supporting module 404, and the top plate rolling riveting supporting module 404 can roll riveting supporting module 402 for the bottom plate in the x-direction movement, correspondingly, the x-direction distance between the first rolling riveting supporting surface 440 and the second rolling riveting supporting surface 430 is adjustable, so that rolling riveting operation of the dishwasher liner with different middle plate heights can be realized, and the use convenience is good.

Specifically, the roll riveting adjusting driving element 450 can be an air cylinder, correspondingly, the driving end of the roll riveting adjusting driving element 450 is provided with two positioning positions, correspondingly, two x-direction distances can be formed between the first roll riveting supporting surface 440 and the second roll riveting supporting surface 430, and accordingly two dishwasher liners with different heights can be adapted to the first roll riveting supporting surface and the second roll riveting supporting surface.

Further, in order to receive the pre-assembled dishwasher liner and avoid scraping the dishwasher liner, the bottom plate roll riveting support module 402 includes a bottom plate left mold 421 moving along the y direction and a bottom plate right mold 423 moving along the y direction, and x-direction surfaces of the bottom plate left mold 421 and the bottom plate right mold 423 are attached to the fixed bottom plate 401; when the bottom plate left die 421 moves to the y negative stroke end and the bottom plate right die 423 moves to the y positive stroke end, the first rolling rivet supporting surface 440 is established.

Specifically, when the bottom plate left die 421 moves to the y-negative stroke end and the bottom plate right die 423 moves to the y-positive stroke end, the y-negative direction of the bottom plate left die 421, the y-positive direction of the bottom plate right die 423, the z-positive surface of the bottom plate left die 421 and the z-positive surface of the bottom plate right die 423 jointly establish the first rolling rivet support surface 440. When the rolling riveting die needs to receive the dishwasher liner or the dishwasher liner needs to be taken out of the rolling riveting die, the bottom plate left die 421 returns along the positive direction of y, and the bottom plate right die 423 returns along the negative direction of y, so that the phenomenon that the bottom plate left die 421 and the bottom plate right die 423 scrape the dishwasher liner is avoided.

Accordingly, the movement of the bottom plate left mold 421 and the bottom plate right mold 423 may be controlled by a corresponding driving element, which may be an air cylinder. Correspondingly, in order to ensure the stability of the moving direction, guide rails which are guided along the y direction are respectively arranged on the positions of the fixed bottom plate 401 corresponding to the bottom plate left die 421 and the bottom plate right die 423, and the bottom plate left die 421 and the bottom plate right die 423 are correspondingly matched on the corresponding guide rails in a sliding manner; in order to ensure the stability of the guiding, the contact relationship between the bottom plate left die 421 and the bottom plate right die 423 and the corresponding slide rails is surface contact.

Further, considering that the roll riveting mold is subjected to a large pressure during the roll riveting operation and the gap between the bottom plate left mold 421 and the bottom plate right mold 423 lacks support, in order to prevent the bottom plate roll riveting support module 402 from being deformed and ensure the operational reliability of the roll riveting operation,

the bottom plate roll riveting support module 402 further comprises a bottom plate middle die 422 moving along the z direction, an x-direction surface of the bottom plate middle die 422 is attached to the fixed bottom plate 401, the bottom plate left die 421 is located in the y-direction of the bottom plate middle die 422, and the bottom plate right die 423 is located in the y-direction of the bottom plate middle die 422;

the middle die 422 in the base plate has an operative position and an inoperative position in the z-direction;

when the bottom plate middle die 422 is located at a working position, the bottom plate left die 421 moves to a y-negative stroke end point and the bottom plate right die 423 moves to a y-positive stroke end point, the bottom plate left die 421 and the bottom plate right die 423 are respectively in contact with the bottom plate middle die 422 in the y direction and are respectively limited based on the bottom plate middle die 422, and the bottom plate left die 421, the bottom plate middle die 422 and the bottom plate right die 423 establish the first rolling riveting supporting surface 440;

when the bottom plate middle die 422 is located at the non-working position, the bottom plate left die 421 and the bottom plate right die 423 can move along the y direction respectively.

Specifically, the bottom plate left die 421 and the bottom plate right die 423 are driven by corresponding driving parts, the supporting force of the driving parts is weak, and in order to ensure that the positions of the bottom plate left die 421 and the bottom plate right die 423 are fixed, in the embodiment of the invention, the bottom plate middle die 422 is arranged, when the bottom plate left die 421 and the bottom plate right die 423 deviate and move to the stroke end, the bottom plate left die 421 and the bottom plate right die 423 are limited and supported by the bottom plate middle die 422, so that the bottom plate left die 421 and the bottom plate right die 423 are ensured not to move in the y direction, because the bottom plate middle die 422 is a rigid structural member, the supporting capability of the bottom plate middle die 422 is stronger than that of the driving parts corresponding to the bottom plate left die 421 and the bottom plate right die 423, and through the implementation mode, the stability of the overall posture of the bottom plate roll riveting supporting module 402 during roll riveting operation can be ensured, deformation is avoided, and the roll riveting operation effect is ensured. In addition, the clearance between bottom plate left mould 421 and the bottom plate right mould 423 has been filled up to mould 422 in the bottom plate, the z forward face of bottom plate left mould 421 and the z forward face of bottom plate right mould 423 borders on each other and form first rivet rolling top bearing surface 442, can guarantee to roll the support of the dish washer inner bag relevant position when riveting the operation, this structural design about fixed rivet rolling mould, can guarantee that the size of rivet rolling mould is unanimous with the default, guarantee to roll effective the going on of riveting the operation.

In particular, the z-direction movement of the mold 422 in the base plate may be driven by a corresponding actuator, which may be a pneumatic cylinder.

Further, the bottom plate middle mold 422 has a bottom plate middle mold 422 supporting surface facing the negative z direction, the bottom plate middle mold has a first bottom plate middle mold supporting space and a second bottom plate middle mold supporting space which penetrate along the x direction, the bottom plate left mold has a bottom plate left mold supporting space which penetrates along the x direction, and the bottom plate right mold has a bottom plate right mold supporting space which penetrates along the x direction; the fixed roll riveting die set further comprises a first bottom plate stress supporting piece and a second bottom plate stress supporting piece which move along the x direction; when the middle die of the bottom plate is located at the working position, a first bottom plate middle die supporting space and a bottom plate left die supporting space are communicated to form a first bottom plate supporting space, and the first bottom plate stress supporting piece can extend into the first bottom plate supporting space along the x forward direction and limits the middle die of the bottom plate to move along the z direction; when the bottom plate middle mold is located at the working position, a second bottom plate middle mold supporting space and a bottom plate right mold supporting space are communicated to form a second bottom plate supporting space, and the second bottom plate stress supporting piece can extend into the second bottom plate supporting space in the x forward direction and limits the bottom plate middle mold to move in the z direction. Specifically, lack reliable support in the bottom plate mould 422z direction, easy drunkenness causes the deformation when rolling the operation of riveting, in order to guarantee the position stability of mould 422 in the z direction in the bottom plate, when mould 422 is in operating position in the bottom plate, first bottom plate atress support piece and second bottom plate atress support piece stretch into respectively to first bottom plate support space and second bottom plate support space, through first bottom plate atress support piece and second bottom plate atress support piece, it is spacing that mould 422 carries out the z to utilize bottom plate left side mould and bottom plate right side mould to carry out the z to in the bottom plate jointly.

Specifically, the first bottom plate force-receiving support member and the second bottom plate force-receiving support member may be an integrated structure, i.e., the bottom plate force-receiving support member 406 structure shown in the figure. The driving element of the floor force support 406 may be a cylinder, considering the movement position of the floor force support 406.

Further, the fixed rolling riveting die set also comprises a bottom plate receiving sucker set moving along the x direction; the bottom plate receiving suction cup group can pass through the bottom plate rolling riveting support module 402 from the x positive direction. Specifically, the bottom plate receiving sucker group is used for absorbing the bottom plate in the received dishwasher liner, tensioning the bottom plate and ensuring the stability of the overall structure of the bottom plate.

The basic structure of the movable rolling riveting die set is similar to that of the fixed rolling riveting die set, and the embodiment of the invention is similar to the fixed rolling riveting die set

The detailed description of the similar structure is not repeated.

Specifically, the top plate roll riveting support module 404 comprises a top plate right die 413 moving along the y direction and a top plate left die 411 moving along the y direction, and x-direction surfaces of the top plate right die 413 and the top plate left die 411 are abutted against the movable bottom plate 403;

the second rolling rivet support surface 430 is formed when the top plate right die 413 moves to the y negative stroke end and the top plate left die 411 moves to the y positive stroke end.

In an alternative embodiment, the top plate roll-riveting support module 404 further includes a top plate middle mold 412 moving along the z direction, an x-direction surface of the top plate middle mold 412 abuts against the movable bottom plate 403, the top plate right mold 413 is located in a y-direction of the top plate middle mold 412, and the top plate left mold 411 is located in a y-direction of the top plate middle mold 412;

a middle die 412 in the top plate having an operative position and an inoperative position in the z-direction;

when the top plate middle die 412 is located at the working position, the top plate right die 413 moves to a y-negative stroke end point and the top plate left die 411 moves to a y-positive stroke end point, the top plate right die 413 and the top plate left die 411 are respectively in contact with the top plate middle die 412 in the y direction and are respectively limited by the top plate middle die 412, and the top plate right die 413, the top plate middle die 412 and the top plate left die 411 form the second rolling rivet supporting surface 430;

when the top plate middle die 412 is located at the non-working position, the top plate right die 413 and the top plate left die 411 can move along the y direction respectively.

In an alternative embodiment, the top plate middle mold has a first top plate middle mold supporting space and a second top plate middle mold supporting space penetrating along the x direction, the top plate left mold has a top plate left mold supporting space penetrating along the x direction, and the top plate right mold has a top plate right mold supporting space penetrating along the x direction;

the fixed roll riveting die set further comprises a first top plate stress supporting piece and a second top plate stress supporting piece which move along the x direction;

when the middle die of the top plate is located at the working position, a first top plate middle die supporting space and a top plate left die supporting space are communicated to form a first top plate supporting space, and the first top plate stress supporting piece can extend into the first top plate supporting space along the negative x direction and limits the middle die of the top plate to move along the z direction;

when the middle die in the top plate is located at the working position, a second top plate supporting space is formed by communicating a second top plate middle die supporting space and a top plate right die supporting space, and the second top plate stress supporting piece can stretch into the second top plate supporting space along the negative x direction and limits the middle die in the top plate to move along the z direction.

In an optional embodiment, the movable rolling riveting die set further comprises a top plate receiving sucker set moving along the x direction; the top plate receiving suction cup group can penetrate through the top plate rolling riveting supporting module 404 from the negative direction x.

Specifically, the main difference between the movable rolling riveting die set and the fixed rolling riveting die set is that the movable rolling riveting die set further comprises a support back plate 409 moving along the z direction, the support back plate 409 is attached to the x forward surface of the movable bottom plate 403, and a plurality of shape-changing supporting pieces 410 are arranged on the x forward surface of the support back plate 409;

when the driving end of the roll riveting adjusting driving piece 450 is located at the extending station, the supporting back plate 409 moves along the z direction, and the plurality of shape-changing supporting pieces 410 abut against the roll riveting die support;

when the driving end of the roll riveting adjusting driving piece 450 is located at the retraction station, the support back plate 409 moves along the z direction, the x forward surface of the support back plate 409 abuts against the roll riveting die support, and the plurality of shape-changing supporting pieces 410 are embedded in the roll riveting die support.

Specifically, the roll riveting adjusting driving member 450 is an air cylinder, a driving end of the roll riveting adjusting driving member 450 is provided with an extending station and a retracting station, correspondingly, the movable roll riveting die set is provided with two moving stations, in order to ensure the position stability of the movable roll riveting die set in the y direction, a supporting back plate 409 capable of moving in the z direction is arranged on the x forward surface of the movable bottom plate 403, and a plurality of shape-changing supporting members 410 are arranged on the x forward surface of the supporting back plate 409; in essence, two support positions are correspondingly provided on the x positive side of the back plate 409, the first support position is the x positive side of the back plate 409, and the second support position is the x positive side of the remodeling support 410; therefore, when the driving end of the rolling rivet adjusting driving piece 450 is located at the extending station or the retracting station, the movable rolling rivet die set can be effectively supported in the x direction, and the position stability of the movable rolling rivet die set in the x direction is ensured.

It should be noted that, in practical implementation, by controlling the size of the model-changing support 410 in the x direction, the receiving of the dishwasher liners of two different middle plate heights can be satisfied. Specifically, if the size of the protruded supporting back plate of the model-changing supporting piece 410 in the x direction is 40 mm, the height difference between the two middle plates can be adapted to the dishwasher liner with the height difference of 40 mm. For example, when the drive end of the roll-rivet adjustment drive 450 is in the retracted position, the x-face of the support backplate 409 contacts the roll-rivet tool holder that supports the support backplate 409, assuming that the established dishwasher liner height is 775 mm in this case, the dishwasher liner height is 815 mm when the drive end of the roll-rivet adjustment drive 450 is in the extended position.

Specifically, in order to ensure the movement stability of the movable bottom plate 403, the movable bottom plate 403 moves in the x direction relative to the roll riveting die holder based on the guide mechanism 451; the guiding mechanism 451 is a guide post and guide sleeve mechanism. Optionally, the number of the guide mechanisms 451 is multiple, and the multiple guide mechanisms 451 are uniformly arranged on the movable base plate 403.

Furthermore, considering the fixation of the rolling riveting die to the panel of the inner container of the dishwasher in all directions,

the roll riveting die further comprises a fifth receiving sucker group 407, and the fifth receiving sucker group 407 is arranged on one side of the roll riveting die bracket in the z forward direction;

and/or the roll riveting die further comprises a third receiving sucker group with y-direction freedom of movement, and the third receiving sucker group is arranged on one side of the roll riveting die bracket in the y direction;

and/or the roll riveting die further comprises a fourth receiving sucker group 408 with a y-direction freedom of movement, and the fourth receiving sucker group 408 is arranged on the y-direction negative side of the roll riveting die bracket.

Specifically, for the middle plate flanging of the dishwasher liner and the positioning of the dishwasher liner in the z direction, the roll riveting die further comprises a first middle plate z-direction limiting piece 416 and a second middle plate z-direction limiting piece;

the first middle plate z-direction limiting piece 416 and the second middle plate z-direction limiting piece are respectively fixed on a y positive surface and a y negative surface of the roll riveting die support;

a receiving side pressure module 405 is correspondingly arranged at the outer side of the first middle plate z-direction limiting member 416 and the second middle plate z-direction limiting member respectively, and the receiving side pressure module 405 comprises a receiving side pressure driving element 414 and a receiving side pressure block 415;

the receiving-side pressing block 415 can be driven and pressed on the corresponding first middle plate z-direction limiting piece 416 or second middle plate z-direction limiting piece based on the driving end of the receiving-side pressure driving element 414.

Furthermore, after the bottom plate is matched with the first rolling riveting supporting surface, the y-direction size of the bottom plate at any z coordinate is z1, correspondingly, in order to achieve a better rolling riveting effect, the y-direction size of the first rolling riveting supporting surface at the corresponding z coordinate is z1+ c, and c belongs to (0 mm, 4 mm), specifically, c gradually decreases along with the increase of the z coordinate, and a better assembly effect of the dishwasher liner can be obtained based on the embodiment.

Correspondingly, after the top plate is matched with the second rolling riveting supporting surface, the y-direction size of the top plate at the z coordinate is z2, correspondingly, in order to achieve a better rolling riveting effect, the y-direction size of the first rolling riveting supporting surface at the corresponding z coordinate is z2+ d, and the d belongs to (0 mm, 4 mm), specifically, the c is gradually reduced along with the increase of the z coordinate, and a better assembling effect of the dishwasher liner can be obtained based on the embodiment.

To sum up, the rolling riveting die for the dishwasher liner provided by the embodiment of the invention is used for receiving the preassembled dishwasher liner, before the rolling riveting die receives the dishwasher liner, the movable bottom plate 403 of the movable rolling riveting die set is driven to a preset position to be adapted to the dishwasher liner to be received, the bottom plate left die 421 and the bottom plate right die 423 move oppositely, and the top plate left die 411 and the top plate right die 413 move oppositely, so that the transfer of the dishwasher liner is prevented from being influenced; after the dishwasher liner is sleeved in place from the upper part of the roll riveting die by the transferring clamp, the bottom plate left die 421 and the bottom plate right die 423 move away from each other to the stroke end point, the top plate left die 411 and the top plate right die 413 move away from each other to the stroke end point, the bottom plate middle die 422 and the bottom plate middle die 422 move towards the z forward direction to the working position, and the first roll riveting supporting surface 440 and the second roll riveting supporting surface 430 are constructed; at this moment, the middle plate folding edge of the middle plate is pressed on the corresponding middle plate z-direction limiting part through the receiving side pressing block 415, the plate in each direction of the inner container of the dish-washing machine is adsorbed and tensioned by the suckers in all directions, and the positioning and the supporting of the inner container of the dish-washing machine can be completed.

To sum up, the embodiment of the invention provides a rolling riveting die for a dishwasher liner, the distance between a first rolling riveting supporting surface and a second rolling riveting supporting surface of the rolling riveting die is adjustable, the rolling riveting die can be used for dishwasher liners with various structures and middle plates with different heights, and the rolling riveting die has good processing flexibility in actual production; the cooperation setting of left mould, right mould and well mould, can be better receive the dish washer inner bag and provide enough stable holding power when the operation is riveted in rolling of dish washer inner bag, guaranteed the operation effect of riveting the operation in rolling.

And (3) rolling and riveting the module:

The embodiment of the invention provides a roll riveting module for a dishwasher liner, which comprises a roll riveting module seat 502, a profiling 508, a track die, a roll riveting chain module and a roll riveting driving module.

Specifically, the roll riveting module base is a support, and the explorator 508 and the track die are respectively disposed on the roll riveting module base 502.

The track mould comprises an outer track mould and an inner track mould, a chain guide track with an n-shaped track is formed between the outer wall of the inner track mould and the inner wall of the outer track mould, the explorator is positioned at the inner side of the inner track mould, and a driving space is formed below the chain guide track;

specifically, since the rolling riveting track of the rolling riveting module of the embodiment of the present invention is n-type, in order to meet the requirement, the chain guide track 530 needs to be designed to be a corresponding n-type track, and the rolling riveting chain does not need to be limited below the n-type track;

the roll riveting chain module comprises a roll riveting chain and a plurality of roll riveting wheels 506 which are connected end to end, the roll riveting chain is formed by sequentially connecting a plurality of standard chain links, any standard chain link comprises a roll riveting shaft 510, and the width of the chain guide track space 530 is matched with the roll riveting shaft 510; the rivet shaft 510 may be tightly fitted in the chain guide rail 530, and the chain guide rail 530 may ensure that the rivet shaft 510 circulates based on a predetermined trajectory, and the rivet shaft 510 does not move in the width direction of the chain guide rail 530.

Specifically, any one of the rolling riveting wheels 506 is coaxially connected with a corresponding rolling riveting shaft 510, all the rolling riveting wheels 506 are located on the same side of the track mold, and the profiling 508 is provided with a profiling cavity on the side where the rolling riveting wheels 506 are arranged; specifically, the profiling cavity is used for adapting the shape and position of the top plate or the bottom plate, so as to ensure that the rolling riveting wheel 506 can reach the position needing the rolling riveting operation in the x direction. When the rolling riveting module moves to a preset position towards the corresponding rolling riveting support area, the rolling riveting track surrounds the corresponding rolling riveting support surface.

The rolling riveting driving module comprises a rolling riveting driving wheel, the rolling riveting driving wheel is positioned in the driving space, and the rolling riveting chain is matched on the rolling riveting driving wheel; based on the rolling riveting driving wheel, the rolling riveting chain moves along the chain guide track 530, and the rolling riveting wheels 506 move along the rolling riveting track. Specifically, the rolling riveting chain is matched with a rolling riveting driving wheel in a driving space, and the rolling riveting chain rotates along a preset direction under the driving of the rolling riveting driving wheel; since a part of the structure of the roll riveting chain is matched in the chain guide rail 530, correspondingly, the roll riveting chain is guided by the chain guide rail 530 when passing through the chain guide rail 530, and the roll riveting wheel 506 arranged on the roll riveting shaft 510 is synchronously driven to move along a preset track, thereby completing the required roll riveting operation.

Specifically, aiming at the structure of the roll riveting chain, the roll riveting chain is formed by splicing standard chain link standard parts, optionally, the national standard model of the standard part for forming the roll riveting chain is 56B, and the chain pitch is 88.9 mm.

Any of the standard links further comprises double-layer link plates 512; in the roll riveting chain, the roll riveting shaft 510 in any standard chain link is connected with the roll riveting shaft 510 in an adjacent standard chain link on the basis of a corresponding double-layer chain plate 512; any one of the rivet shafts 510 is respectively matched with two groups of double-layer chain plates 512. The roll riveting chain is made by adopting the standard chain link standard part, so that the roll riveting chain consisting of the standard chain link standard part is low in manufacturing cost and maintenance cost, and the chain transmission has good transmission capacity and bearing capacity and is particularly suitable for roll riveting operation.

The outer track template comprises a first outer track template 509 and a second outer track template 511 which are oppositely arranged at a preset distance, and any one rolling riveting shaft is limited between the first outer track template and the second outer track template based on one of the two corresponding double-layer chain plates; the first outer track template 509 and the second outer track template 511 are limited, so that the roll riveting chain cannot be separated from the track mold along the x direction, and the roll riveting shaft 510 can be always kept in contact with the inner wall of the track mold and the outer wall of the explorator 508.

Based on the corresponding implementation principle, the inner track die comprises a first inner track die plate and a second inner track die plate which are arranged opposite to each other at intervals of a preset distance, and any one rivet rolling shaft is limited between the first inner track die plate and the second inner track die plate based on one group of double-layer chain plates in the two groups of corresponding double-layer chain plates.

Further, in order to reduce wear and running resistance, bearings 550 are further respectively sleeved on two sides of the roll riveting shaft corresponding to the double-layer structure of the outer track die and the inner track die, and in specific implementation, the bearings 550 on each side of the roll riveting shaft are matched between the corresponding inner track die and the corresponding outer track die.

Specifically, the roll riveting driving module further comprises a roll riveting driving element 503, a driving end of the roll riveting driving element 503 is used for driving the roll riveting driving wheel 504 to rotate, and a body of the roll riveting driving element 503 is arranged on the other side, opposite to the explorator 508, of the roll riveting die base.

Further, the rolling rivet chain driving assembly further comprises a rolling rivet driven wheel 505, and the rolling rivet driven wheel 505 is located in the driving space; the roll riveting chain is tensioned based on the roll riveting driven wheel 505. The position of the roll rivet driven wheel 505 can be fine-tuned to tension the roll rivet chain.

Specifically, the number of the rolling riveting wheels 506 is eight or nine, the rolling riveting effect is mainly controlled by the diameter of each rolling riveting wheel 506, in the embodiment of the invention, the diameters of the rolling riveting wheels 506 are different from each other, and the rolling riveting wheels are required to be set according to actual conditions in specific implementation so as to better complete the required rolling riveting operation. Specifically, the rolling rivet spare wheel 507 can be arranged to reduce the fault maintenance time.

Further, the chain track has a guide entrance and a guide exit, and the master form 508 is provided with guide slopes 513 at positions corresponding to the guide entrance and the guide exit, respectively; the distance between any position on the guide inclined surface 513 and the track die is larger than the diameter of the rivet rolling shaft 510.

Further, the chain guide rail comprises a second sub-rail positioned above and a first sub-rail and a third sub-rail positioned at two sides, and the first sub-rail, the second sub-rail and the third sub-rail are connected in sequence;

when the top plate or the bottom plate is matched with the die leaning cavity, the profiling width of the top plate or the bottom plate is x at any height, the distance between the first sub-track and the third sub-track is x + d at the corresponding height, and d is equal to (0 mm, 4 mm), and d is gradually reduced along with the increase of the height.

In the embodiment of the invention, the distance between the first sub-track and the third sub-track is redesigned, so that a better rolling riveting effect can be realized, and the rolling riveting quality of the inner container of the dish-washing machine is ensured.

Further, the roll riveting module further comprises a plurality of pressing plate modules 501, any one of the pressing plate modules 501 comprises a pressing plate driving part and a pressing plate, a body of the pressing plate driving part is fixed on the roll riveting module seat 502, and the pressing plate is arranged at a driving end of the pressing plate driving part. Specifically, the pressing plate module 501 is used for assisting and pressing the surface position surface of the middle plate close to the upper flanging surface or the lower flanging surface, so as to ensure the position stability of the middle plate near the upper flanging surface accessory or the lower flanging surface during the roll riveting operation. Specifically, when the inner bumper of the dishwasher leans against the explorator 508, the pressing plate is driven by the pressing plate driving piece to press the corresponding position of the inner container of the dishwasher so as to ensure the fixation of the inner container of the dishwasher.

Specifically, in combination with the above description of the roll riveting die and the roll riveting module, the roll riveting machine according to the embodiment of the present invention includes a roll riveting receiving die 400 and more than two sets of roll riveting modules 600 for the dishwasher liner; the two groups of rolling riveting modules are respectively arranged on two sides of the rolling riveting receiving die 400 in the x direction, and the explorator cavity of the explorator 508 in any group of rolling riveting modules faces the rolling riveting receiving die 400; any group of the rolling riveting modules is provided with a corresponding rolling riveting module driving piece 601, and any group of the rolling riveting modules is driven to move towards or away from the rolling riveting receiving die 400 based on the corresponding rolling riveting module driving piece 601.

Specifically, the roll riveting receiving die 400 receives the pre-assembled dishwasher liner, and the middle plate and the top plate of the dishwasher liner and the middle plate and the bottom plate of the dishwasher liner need to be subjected to roll riveting operation through a group of roll riveting modules respectively; when the rolling riveting receiving die 400 receives the inner container of the dishwasher, the rolling riveting module needs to be far away from the rolling riveting receiving die 400 based on the corresponding rolling riveting module driving piece 601, and when the rolling riveting operation needs to be carried out, the rolling riveting module needs to move towards the rolling riveting receiving die 400 to a set position based on the corresponding rolling riveting module driving piece 601.

Further, the roll riveting module distance adjusting assembly 602 is further included, and the roll riveting module distance adjusting assembly 602 is arranged between the driving end of one group of the roll riveting module driving pieces 601 and the corresponding roll riveting module. Specifically, in practical implementation, the driving unit 601 of the roll riveting module adopts an air cylinder, and accordingly, when the driving unit 601 of the roll riveting module extends out, the driving unit 601 of the roll riveting module drives the roll riveting module to move to a set position towards the roll riveting receiving mold 400; in order to adapt to the inner containers of the dish washer with the middle plates with different heights, a group of rolling rivet module spacing adjusting assemblies 602 (such as air cylinders) are arranged between the driving ends of the group of rolling rivet module driving pieces 601 and the corresponding rolling rivet modules, and accordingly, through the adjustment of the rolling rivet module spacing adjusting assemblies 602, the rolling rivet modules have more working positions and can be used for adapting to the inner containers of the dish washer with the middle plates with different heights.

In summary, the embodiment of the invention provides a roll riveting module and a roll riveting machine for a dishwasher liner, the roll riveting module has a simple structure, and part of easily damaged parts are standardized parts, so that the roll riveting module has the advantages of low manufacturing cost, easiness in maintenance and the like; the riveting roll can be adapted to liner structures with middle plates of different heights, and has good processing convenience.

In conclusion, the invention provides the dish washer liner roll riveting production line which can automatically realize the processing of finished products of the dish washer liner from material supply to roll riveting operation, can be suitable for the processing of the dish washer liners with middle plates of different heights, and has good processing convenience.

The rolling riveting production line for the inner container of the dishwasher provided by the embodiment of the invention is described in detail, the principle and the embodiment of the invention are explained by applying specific examples, and the description of the embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims

1. A dish washer liner roll riveting production line is characterized by comprising a pre-assembly die for pre-assembling a middle plate, a top plate and a bottom plate, a roll riveting machine for roll riveting a pre-assembled dish washer liner semi-finished product and a manipulator for transferring the dish washer liner semi-finished product from the pre-assembly die to the roll riveting machine;

2. The dishwasher liner roll-riveting processing line of claim 1, wherein the pre-assembly mold comprises a mold support, an adjusting device, a bottom plate mold assembly and a top plate mold assembly;

the bottom plate mold assembly is arranged on the mold bracket;

3. The dishwasher liner roll riveting process line of claim 2, wherein the transfer fixture is arranged according to an absolute orthogonal coordinate system, wherein the three-axis directions of the absolute orthogonal coordinate system respectively comprise an x-direction, a y-direction and a z-direction; the direction of a third axis of the relative orthogonal coordinate system is the same as the direction of z of the absolute orthogonal coordinate system;

4. The dishwasher liner roll-riveting processing line of claim 3, wherein the robot further comprises a multi-axis robot, and the transfer clamp is disposed on a working end of the multi-axis robot.

5. The dish washer liner roll riveting processing line of claim 1, wherein the roll riveting die comprises a roll riveting die bracket, a fixed roll riveting die set, a movable roll riveting die set and a roll riveting die adjusting module, and the roll riveting die bracket is fixed in arrangement position;

6. The dish washer liner roll riveting processing line of claim 1, wherein the roll riveting module comprises a roll riveting module seat, a profiling mold, a track mold, a roll riveting chain module and a roll riveting driving module;

7. The dishwasher liner roll riveting processing line of claim 6, wherein any group of the roll riveting modules is provided with a corresponding roll riveting module driving part, and any group of the roll riveting modules is driven to move towards or away from the roll riveting die based on the corresponding roll riveting module driving part;

8. The dishwasher liner roll riveting processing line of claim 7, wherein any one of the standard chain links further comprises a double-layer chain plate;

9. The dishwasher liner roll riveting processing line of claim 8, wherein the outer track die comprises a first outer track die plate and a second outer track die plate which are oppositely arranged at a preset distance, and any one roll riveting shaft is limited between the first outer track die plate and the second outer track die plate based on one of the two corresponding groups of double-layer chain plates;