CN114393122A - Multipoint position pressure riveting mechanism - Google Patents
Multipoint position pressure riveting mechanism Download PDFInfo
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- CN114393122A CN114393122A CN202111550810.0A CN202111550810A CN114393122A CN 114393122 A CN114393122 A CN 114393122A CN 202111550810 A CN202111550810 A CN 202111550810A CN 114393122 A CN114393122 A CN 114393122A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 230000000712 assembly Effects 0.000 claims abstract description 18
- 238000000429 assembly Methods 0.000 claims abstract description 18
- 238000006073 displacement reaction Methods 0.000 claims description 15
- 238000005096 rolling process Methods 0.000 claims description 6
- 239000003550 marker Substances 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 description 17
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000007665 sagging Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000000641 cold extrusion Methods 0.000 description 1
- 238000005097 cold rolling Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
Abstract
The invention discloses a multipoint position riveting mechanism, which comprises: the center of the rotating disc is provided with a press riveting working space; the connecting rod assemblies are circumferentially arranged on the rotating disc and comprise rotating ends and press riveting ends, the rotating ends are connected with the rotating disc, and the press riveting ends face the center of the rotating disc and correspond to the press riveting working space; the driving device is arranged on one side of the rotating disc and used for driving the rotating disc to rotate; when the rotating ends of all the connecting rod assemblies rotate along with the rotating disc, the press riveting ends of all the connecting rod assemblies can slide towards the center of the rotating disc and simultaneously extend into the press riveting working space. The invention effectively solves the problems of low production efficiency and low precision because the circumferential riveting of the tubular workpiece needs to be carried out for multiple times.
Description
Technical Field
The invention relates to the field of machining, in particular to a multi-point position pressure riveting mechanism.
Background
The squeeze riveter is a novel riveting device developed according to the cold rolling principle, and a stress-free concentrated internal embedding round point with certain tensile strength and shear strength is formed according to the cold extrusion deformation of the plate material.
For the tubular workpieces which are nested with each other, circumferential uniform riveting is needed to ensure that the structure of the tubular workpieces is more stable. At present, tubular workpiece need carry out a lot of rotations to and a lot of riveting, just can realize above-mentioned structure, consequently prior art has following problem: 1. repeated riveting and pressing processing consumes longer time and has lower production efficiency; 2. and the angle error is easy to generate by multiple rotations, so that the riveting position is not uniform, and the structure of the tubular workpiece is unstable.
Disclosure of Invention
Therefore, the embodiment of the invention provides a multi-point position riveting mechanism which effectively solves the problems that circumferential riveting of tubular workpieces needs to be carried out for multiple times, the production efficiency is low, and the precision is low.
The embodiment of the invention provides a multipoint riveting mechanism, which comprises: the center of the rotating disc is provided with a press riveting working space; the connecting rod assemblies are circumferentially arranged on the rotating disc and comprise rotating ends and press riveting ends, the rotating ends are connected with the rotating disc, and the press riveting ends face the center of the rotating disc and correspond to the press riveting working space; the driving device is arranged on one side of the rotating disc and used for driving the rotating disc to rotate; when the rotating ends of all the connecting rod assemblies rotate along with the rotating disc, the press riveting ends of all the connecting rod assemblies can slide towards the center of the rotating disc and simultaneously extend into the press riveting working space.
Compared with the prior art, the technical effect achieved after the technical scheme is adopted is as follows: the rotation ends of the connecting rod assemblies rotate along with the rotation disc, so that the press riveting end is pushed to slide towards the press riveting working space, the tubular workpieces in the press riveting working space are simultaneously subjected to multi-direction multi-point press riveting, the press riveting process of the tubular workpieces is completed at one time without rotation, and multiple press riveting is not needed, so that the production efficiency is higher, errors caused by rotation are avoided, the press riveting positions are more uniform, the precision is higher, and the structural strength of the tubular workpieces is further improved.
In one embodiment of the present invention, the multi-point riveting mechanism includes: the fixed disk, the rolling disc is located fixed disk one side, fixed disk circumference is equipped with a plurality of connecting rod guide ways, the connecting rod guide way is located the fixed disk orientation one side of rolling disc, link assembly locates the connecting rod guide way.
The technical effect achieved after the technical scheme is adopted is as follows: the fixed disc keeps static in the rotating process of the rotating disc, namely each connecting rod guide groove also keeps static, the connecting rod guide grooves play a role in guiding the connecting rod assembly, the transmission direction of the connecting rod assembly is limited, and the press riveting action of the connecting rod assembly is more accurate.
In one embodiment of the present invention, the link guide groove includes: the translational guide groove is arranged along the radial direction of the fixed disc and communicated with the press riveting working space; and the rotary guide groove is communicated with one side of the translational guide groove, which is far away from the pressure riveting working space.
The technical effect achieved after the technical scheme is adopted is as follows: the rotary guide groove is used for limiting the rotary range of the connecting rod assembly, so that the sliding distance of the connecting rod assembly in the translational guide groove is determined, the press riveting depth is limited, the tubular workpiece is prevented from being damaged due to too deep press riveting, and the inlaid round points are not formed in the tubular workpiece due to too shallow press riveting.
In one embodiment of the present invention, the connecting rod assembly includes: the first connecting rod is arranged in the translational guide groove, and the riveting end is arranged on the first connecting rod; the second connecting rod is arranged in the rotating guide groove and hinged to one side, away from the squeeze riveting end, of the first connecting rod, the rotating end is arranged on one side, away from the first connecting rod, of the second connecting rod, and the rotating end is hinged to the rotating disc.
The technical effect achieved after the technical scheme is adopted is as follows: when the rotating end rotates along with the rotating disc, namely the second connecting rod sweeps through the rotating guide groove, the second connecting rod pushes the first connecting rod to slide towards the press riveting working space in the translational guide groove, the included angle between the second connecting rod and the first connecting rod is gradually reduced until the second connecting rod and the first connecting rod are in the same straight line, and the press riveting end reaches the maximum depth, so that press riveting is completed; when the rotating disc rotates reversely, the included angle between the second connecting rod and the first connecting rod is increased, the second connecting rod pulls the first connecting rod to retract, the tubular workpiece is convenient to take out, and the pressing riveting of other parts is carried out.
In one embodiment of the present invention, the fixed tray includes: the rotating disc moving groove is formed in the rotating disc; the driving opening is arranged on any one side of the rotating disc moving groove and communicated with the rotating disc moving groove; wherein the rotating disc is provided with an extension piece, and the extension piece extends out of the driving opening and is connected with the driving device.
The technical effect achieved after the technical scheme is adopted is as follows: the drive opening is convenient for drive arrangement control the rolling disc rotates, simultaneously, the drive opening has also injectd the rotation range of extension piece, avoids the turned angle of rolling disc too big leads to link assembly's the depth of riveting is too big.
In one embodiment of the present invention, the driving device includes: the output piece is arranged along the tangential direction of the rotating disc and is hinged to the extending piece; and the linear driving mechanism is connected with the output piece and pushes the output piece to move.
The technical effect achieved after the technical scheme is adopted is as follows: the linear driving mechanism pushes the output piece to move, so that one end, connected with the extension piece, of the output piece slides along the tangential direction of the rotating disc, the steering disc is pushed or pulled to rotate, and the press riveting action and the retracting action of the connecting rod assembly are achieved.
In an embodiment of the present invention, the multi-point riveting mechanism further includes: and the displacement sensor is arranged on one side of the extension piece, which is far away from the driving device, and is used for detecting the displacement of the extension piece.
The technical effect achieved after the technical scheme is adopted is as follows: the displacement sensor obtains a signal according to the displacement of the extension piece, and the driving device acts or stops according to the signal, so that the rotation angle of the rotating disc is accurately controlled, and the riveting depth of the connecting rod assembly is accurately controlled.
In an embodiment of the present invention, the multi-point riveting mechanism further includes: the supporting disk is arranged on one side, far away from the fixed disk, of the rotating disk and connected with the fixed disk, a workpiece mounting cavity is formed in the center of the supporting disk and communicated with the riveting working space.
The technical effect achieved after the technical scheme is adopted is as follows: the supporting disc is used for supporting the rotating disc and the connecting rod assembly, so that the rotating disc can stably rotate, and the pressing rivet end of the connecting rod assembly is prevented from sagging; the tubular workpiece to be subjected to press riveting can be loaded into the press riveting working space from the workpiece mounting cavity so as to facilitate the press riveting process.
In an embodiment of the present invention, the multi-point riveting mechanism further includes: the fixture is arranged on one side, far away from the fixed disc, of the supporting disc and at least comprises chucks located on two sides of the workpiece mounting cavity.
The technical effect achieved after the technical scheme is adopted is as follows: the clamp is used for fixing the tubular workpiece to the workpiece mounting cavity, so that the tubular workpiece can extend into the press riveting working space; the tubular workpiece is not easy to shake in the riveting and pressing process and is more stable.
In an embodiment of the present invention, the multi-point riveting mechanism further includes: model identification component locates supporting disk one side, and/or anchor clamps one side, model identification component includes: a photosensor and a marker.
The technical effect achieved after the technical scheme is adopted is as follows: the number and the positions of the installed markers can represent various different models through arrangement and combination; the photoelectric sensors are used for determining whether the marker exists at the detection position of the photoelectric sensors, and the detection results of the photoelectric sensors form finished model information so as to determine the model of the supporting plate or the clamp; the driving device adopts a preset action amount according to the detection result of the photoelectric sensor, and the tubular workpiece to be processed is matched with the clamp, so that the tubular workpiece can be riveted with a proper depth according to the action amount preset by the type of the clamp, and the strength is enough.
In summary, the above embodiments of the present application may have one or more of the following advantages or benefits: i) the rotating ends of the connecting rod assemblies rotate along with the rotating disc at the same time, the second connecting rod sweeps in the rotating guide groove, so that the first connecting rod is pushed to slide in the translational guide groove, and the riveting end extends into the riveting working space to rivet a tubular workpiece to be processed in a pressing mode, so that simultaneous circumferential multi-point riveting of the tubular workpiece is realized, the riveting efficiency is improved, errors caused when the tubular workpiece is rotated to switch the riveting position are avoided, and the riveting precision is improved; ii) the displacement sensor can control the rotation angle of the rotating disc, so that the press riveting depth of the press riveting end is controlled, different press riveting depths are adopted for tubular workpieces with different sizes, and the tubular workpieces are prevented from being damaged; and iii) the photoelectric sensor detects the position and the number of the marker to obtain the corresponding clamp model, and the clamp is matched with the tubular workpiece, so that the driving device controls the riveting depth of the riveting end according to the detection result of the photoelectric sensor, the tubular workpiece cannot be damaged due to too deep riveting, and the strength of the riveting position cannot be insufficient due to too shallow riveting.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a multi-point riveting mechanism according to an embodiment of the present invention.
Fig. 2 is an exploded view of the multi-point clinching mechanism of fig. 1.
Fig. 3 is another exploded view of the multi-point clinching mechanism of fig. 2.
FIG. 4 is a schematic view of the connection of the rotor plate and link assembly of FIG. 3.
FIG. 5 is a schematic view of the connection of the rotating disk and link assembly of FIG. 4 from another perspective.
FIG. 6 is a schematic view of the connection of the connecting rod assembly and the internal stationary disk of FIG. 4.
Fig. 7 is a schematic connection diagram of the driving assembly in fig. 2.
Fig. 8 is a schematic structural view of the jig of fig. 2.
Description of the main element symbols:
100 is a multi-point position pressure riveting mechanism; 110 is a rotating disc; 110a is a first rotating disk; 110b is a second rotating disk; 111 is a press riveting working space; 112 is an extension piece; 113 is a first connection block; 114 is a first connecting groove; 120 is a connecting rod assembly; 121 is a rotating end; 122 is a press-riveting end; 123 is a first connecting rod; 124 is a second connecting rod; 130 is a driving device; 131 is an output piece; 132 is a linear drive mechanism; reference numeral 133 denotes a displacement sensor; 134 is a top block; 135 is a spring; 140 is a fixed disk; 140a is an internal fixed disk; 140b is an external fixed disk; 141 is a connecting rod guide groove; 142 is a translational guide groove; 143 is a rotary guide groove; 144 is a rotating disc moving groove; 145 is a drive opening; 146 is a second connecting block; 147 is a second connecting groove; 148 is a guide block; 149a is a first pin hole; 149b is a second pin hole; 150 is a support disc; 151 is a workpiece mounting cavity; 160 is a clamp; 170 is a model identification component; 171 is a photosensor; 172 is a label; 180 is a panel; 181 is a first opening; 200 is a tubular workpiece.
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.
Referring to fig. 1-6, a multi-point riveting mechanism 100 is provided for an embodiment of the invention, comprising: a rotating disc 110, a plurality of link assemblies 120, and a drive device 130. Wherein, the center of the rotating disc 110 is provided with a press riveting working space 111; the connecting rod assemblies 120 are circumferentially arranged on the rotating disc 110, each connecting rod assembly 120 comprises a rotating end 121 and a riveting end 122, the rotating end 121 is connected with the rotating disc 110, and the riveting end 122 faces the center of the rotating disc 110 and corresponds to the riveting working space 111; the driving device 130 is disposed at one side of the rotating disc 110, and is used for driving the rotating disc 110 to rotate.
In this embodiment, when the rotation ends 121 of all the link assemblies 120 rotate along with the rotation disc 110, the press riveting ends 122 of all the link assemblies 120 can slide toward the center of the rotation disc 110 and simultaneously extend into the press riveting working space 111, so as to perform circumferential multi-point press riveting on the tubular workpiece 200 to be processed in the press riveting working space 111, the press riveting process of the tubular workpiece 200 is completed at one time, the press riveting position does not need to be switched by rotation, so that the production efficiency is higher, meanwhile, errors caused by rotation are avoided, therefore, the press riveting position is more uniform, the press riveting precision is higher, and the structural strength of the tubular workpiece 200 is further improved.
In one specific embodiment, the multi-point riveting mechanism 100 includes, for example: the fixed disk 140, the rotating disk 110 is disposed on one side of the fixed disk 140, the fixed disk 140 is circumferentially provided with a plurality of connecting rod guide grooves 141, the connecting rod guide grooves 141 are located on one side of the fixed disk 140 facing the rotating disk 110, and the connecting rod assembly 120 is disposed in the connecting rod guide grooves 141. The connecting rod guide groove 141 guides the connecting rod assembly 120, and limits the transmission direction of the connecting rod assembly 120, so that the press riveting end 122 of the connecting rod assembly 120 can accurately enter the press riveting working space 111 along with the connecting rod guide groove 141.
Preferably, the multi-point riveting mechanism 100 includes, for example, a panel 180, and the panel 180 is provided with a first opening 181. The fixing plate 140 is connected to the bottom of the panel 180, the first opening 181 communicates with the rivet pressing working space 111, and the tubular workpiece 200 to be processed can be loaded into the rivet pressing working space 111 from the first opening 181, or can be removed from the rivet pressing working space 111 to the first opening 181.
Preferably, the fixed disk 140 includes, for example, an inner fixed disk 140a and an outer fixed disk 140 b. The outer fixed disk 140b is connected to the panel 180, the inner fixed disk 140a is connected to a side of the outer fixed disk 140b away from the panel 180, and the link guide groove 141 is formed in the inner fixed disk 140 a. When the tubular workpiece 200 is not sized to match the current connecting rod assembly 120, quick replacement of the connecting rod assembly 120 to match tubular workpieces 200 of different sizes may be accomplished by removing the internal fixation disk 140 a.
Further, the inner fixed disk 140a is provided with a plurality of first pin holes 149a, for example, and the outer fixed disk 140b is provided with a plurality of second pin holes 149b, for example, wherein the first pin holes 149a and the second pin holes 149b are connected by positioning pins, so that the inner fixed disk 140a and the outer fixed disk 140b do not rotate relatively and are convenient to detach. For example, the first pin holes 149a may be circumferentially and uniformly formed in the inner fixing plate 140a, and the second pin holes 149b may be circumferentially formed in the outer fixing plate 140b, which is not limited herein.
Preferably, the rotating disc 110 is sleeved outside the inner fixed disc 140a and the plurality of connecting rod assemblies 120, so that the rotating disc 110 rotates relative to the inner fixed disc 140a to realize transmission of the connecting rod assemblies 120, and meanwhile, the rotating disc 110 is axially fixed by the inner fixed disc 140 a.
Further, the rotating disk 110 includes, for example: a first rotating disk 110a and a second rotating disk 110b, wherein the first rotating disk 110a is disposed on the top of the inner fixed disk 140a, the first rotating disk 110a is provided with a second opening, wherein the diameter of the second opening is smaller than the diameter of the inner fixed disk 140a, such that the inner fixed disk 140a can support the first rotating disk 110 a; the second rotating disk 110b is disposed at the bottom of the inner fixed disk 140a and is connected to the first rotating disk 110a at the outside of the inner fixed disk 140a such that the first rotating disk 110a and the second rotating disk 110b can rotate synchronously, and the driving device 130 can be drivingly connected to the first rotating disk 110a or the second rotating disk 110 b.
Still further, the first rotary disk 110a is provided with, for example, first connecting blocks 113, the first connecting blocks 113 being provided on the peripheral side of the first rotary disk 110 a; the second rotating disk 110b is provided with a first connecting groove 114, for example, and the first connecting groove 114 is provided on the peripheral side of the second rotating disk 110b, wherein the first connecting block 113 and the first connecting groove 114 are inserted to realize the synchronous rotation of the first rotating disk 110a and the second rotating disk 110 b. For example, the first coupling blocks 113 are provided at opposite sides of the first rotating disk 110a, and the first coupling grooves 114 are provided at opposite sides of the second rotating disk 110b, thereby achieving stable transmission of the first rotating disk 110a and the second rotating disk 110 b. Of course, the positions of the first connection block 113 and the first connection slot 114 may be interchanged, and are not limited herein.
In one specific embodiment, the link guide groove 141 includes, for example: the translational guide groove 142 is radially arranged along the fixed disc 140 and communicated with the press riveting working space 111, so that the connecting rod assembly 120 can be accurately press-riveted to the radial position of the tubular workpiece 200 to be processed; the rotating guide groove 143 is communicated with one side, far away from the pressure riveting working space 111, of the translational guide groove 142 and used for limiting the rotating range of the connecting rod assembly 120, so that the sliding distance of the connecting rod assembly 120 in the translational guide groove 142 is determined, the pressure riveting depth is limited, the tubular workpiece 200 is prevented from being damaged due to too deep pressure riveting, and the pressure riveting position is prevented from being insufficient in strength due to the fact that inlaid circular points are not formed in the tubular workpiece 200 due to too shallow pressure riveting.
Preferably, the connecting rod assembly 120 includes, for example: the first connecting rod 123 is arranged in the translational guide groove 142, and the squeeze riveting end 122 is arranged on the first connecting rod 123; the second link 124 is disposed in the rotation guide groove 143 and hinged to a side of the first link 123 away from the squeeze rivet end 122, and the rotation end 121 is disposed on a side of the second link 124 away from the first link 123.
It should be noted that, on the one hand, when the rotating end 121 rotates with the rotating disc 110, that is, the second link 124 sweeps through the rotating guide groove 143, the second link 124 pushes the first link 123 to slide towards the rivet pressing work space 111 in the translation guide groove 142; in this process, the included angle between the second connecting rod 124 and the first connecting rod 123 gradually decreases until they are in the same straight line, and the rivet pressing end 122 reaches the maximum depth to complete the rivet pressing, and of course, the rivet pressing end 122 can be retracted when it does not reach the maximum depth under the control of the driving device 130. On the other hand, when the driving device 130 controls the rotating disc 110 to rotate reversely, the included angle between the second connecting rod 124 and the first connecting rod 123 is increased, and the second connecting rod 124 pulls the first connecting rod 123 to retract, so that the tubular workpiece 200 can be conveniently taken out, and other parts can be conveniently pressed and riveted.
Further, the rotating end 121 is hinged to the rotating disc 110. For example, the second link 124 is provided with an axle seat at the rotating end 121. The shaft seat is provided with the rotating shaft, and the rotating shaft is rotatably connected with a second rotating disc 110 b; accordingly, the second rotating disk 110b is circumferentially provided with a plurality of shaft holes for simultaneously rotatably connecting the plurality of second connecting rods 124, thereby simultaneously driving the plurality of connecting rod assemblies 120.
Still further, the internal fixed disk 140a further includes a guide block 148, for example, the guide block 148 is disposed on one side of the rotation guide slot 143, a sliding slot is formed on one side of the guide block 148 away from the translation guide slot 142, and the shaft seat of the second connecting rod 124 slides in the sliding slot, so that the transmission process of the second connecting rod 124 is more stable.
In one particular embodiment, referring to fig. 3-4, the fixed disk 140 includes, for example: a rotating disk movement groove 144, and the rotating disk 110 is provided in the rotating disk movement groove 144. For example, the rotating disc moving groove 144 is located on one side of the outer fixed disc 140b facing the rotating disc 110, and the first rotating disc 110a is disposed in the rotating disc moving groove 144 for rotation, so as to prevent the first rotating disc 110a from moving radially during the movement process, and improve the stability of the rotating disc 110.
In a particular embodiment, the fixed disk 140 further comprises, for example: a driving opening 145, the driving opening 145 being provided at any one side of the rotating disc moving groove 144 and communicating with the rotating disc moving groove 144; accordingly, the rotary plate 110 is provided with an extension member 112, and the extension member 112 protrudes out of the driving opening 145 and is connected to the driving device 130. For example, on the basis that the rotating disc moving groove 144 is located on the outer fixed disc 140b, the driving opening 145 is opened at the bottom of the sidewall of the outer fixed disc 140b for limiting the rotating range of the extending member 112, thereby avoiding that the rotating angle of the rotating disc 110 is too large to cause too large press-riveting depth of the connecting rod assembly 120; the extension member 112 protrudes through the driving opening 145, so that the driving device 130 can be prevented from interfering with the fixed disk 140 during the driving process.
In a specific embodiment, in conjunction with fig. 7, the driving device 130 includes, for example: an output member 131 and a linear driving mechanism 132, wherein the output member 131 is tangentially arranged along the rotating disc 110 and hinged to the extending member 112; and the linear driving mechanism 132 is connected with the output piece 131 and pushes the output piece 131 to move. For example, the driving device 130 is an electric cylinder, and an output shaft of the electric cylinder is coaxially and fixedly connected with the output member 131, so as to push or pull the output member 131, rotate the extending member 112 and the rotating disc 110, and realize the press riveting action and the retracting action of the connecting rod assembly 120.
Of course, the driving device 130 may also be a motor and crank-slider mechanism (not shown in the figure), the motor controlling the crank to rotate, the slider realizing the linear motion of the output member 131, which is not limited herein.
In a specific embodiment, the multi-point riveting mechanism 100 further includes, for example: and the displacement sensor 133 is arranged on one side of the extending piece 112 away from the driving device 130 and is used for detecting the displacement of the extending piece 112. It should be noted that the displacement sensor 133 obtains a signal according to the displacement of the extending member 112, and the driving device 130 is activated or deactivated according to the signal, so as to precisely control the rotation angle of the rotating disc 110 and precisely control the riveting depth of the connecting rod assembly 120.
Preferably, the multi-point riveting mechanism 100 includes, for example, a top block 134 and a spring 135, which are disposed between the displacement sensor 133 and the extension member 112, wherein when the driving device 130 pushes the extension member 112, the extension member 112 pushes the top block 134 to move, so that the spring 135 is compressed, and the displacement sensor 133 detects the elastic force of the spring 135, thereby obtaining the displacement of the extension member 112, and thus realizing the precise control of the riveting depth of the connecting rod assembly 120; when the driving device 130 pulls the extension member 112, the top block 134 is restored to the original position by the elastic force of the spring 135.
In a specific embodiment, the multi-point riveting mechanism 100 further includes, for example: and the supporting plate 150 is arranged on one side of the rotating plate 110 far away from the fixed plate 140 and is connected with the fixed plate 140. For example, the support disk 150 and the outer fixed disk 140b are connected, e.g., by a plurality of circumferentially disposed fasteners, so as to be relatively fixed. Such as a screw or pin.
It should be noted that the support plate 150 can support the rotating disc 110 and the connecting rod assembly 120, so that the rotating disc 110 can stably rotate, and the rivet pressing end 122 of the connecting rod assembly 120 can be prevented from sagging.
Preferably, the outer fixed disk 140b is provided with, for example, a second coupling block 146, and the support disk 150 is provided with, for example, a corresponding second coupling groove 147, and the second coupling block 146 and the second coupling groove 147 are engaged, so that the support disk 150 is prevented from rotating with the rotating disk 110 while supporting the rotating disk 110.
Preferably, a workpiece mounting cavity 151 is formed in the center of the support plate 150, the workpiece mounting cavity 151 is communicated with the rivet pressing working space 111, and the tubular workpiece 200 to be riveted can be loaded into the rivet pressing working space 111 from the workpiece mounting cavity 151, so that the rivet pressing process can be conveniently carried out.
In a specific embodiment, with reference to fig. 8, the multi-point riveting mechanism 100 further includes, for example: the clamp 160 is disposed on a side of the support plate 150 away from the fixed plate 140, and the clamp 160 at least includes clamping heads located on two sides of the workpiece mounting cavity 151, so as to fix the tubular workpiece 200 to the workpiece mounting cavity 151, so that the tubular workpiece 200 is more stable when being processed in the rivet pressing working space 111.
In one particular embodiment, with continued reference to fig. 1-4, the multi-point clinching mechanism 100, for example, further comprises: the model identification assembly 170 is disposed on one side of the support plate 150 and/or one side of the clamp 160, and is configured to identify a model of the support plate 150 or the clamp 160, and the driving device 130 controls the link assembly 120 to perform corresponding actions according to the model of the support plate 150 or the clamp 160, for example, different riveting depths or speeds are adopted, which is not limited herein.
Preferably, the model identification component 170 includes, for example: photoelectric sensors 171 and markers 172, wherein the markers 172 are, for example, screws or other detachable fasteners, each marker 172 corresponds to one photoelectric sensor 171, and a plurality of photoelectric sensors 171 can be combined to form a finished model information according to the existence of the markers 172, so as to determine the model of the support plate 150 or the fixture 160; the tubular workpiece 200 to be machined is matched with the clamp 160 and the supporting disc 150, so that the tubular workpiece 200 can be riveted according to the type of the supporting disc 150 or the clamp 160, and the tubular workpiece 200 has enough strength. For example, the number of the markers 172 is 4, and the total number may correspond to different model information in 16 according to the existence of the markers 172, and accordingly, the driving device 130 may adopt 16 different driving manners, which is not limited herein.
Preferably, the photoelectric sensor 171 is attached to the panel 180 by a fixing sheet, for example, and the photoelectric sensor 171 faces the supporting plate 150, and a plurality of threaded holes are provided on a corresponding side surface of the supporting plate 150, for example, and the markers 172 are detachably connected to the threaded holes, so that the photoelectric sensor 171 can determine the model of the supporting plate 150 according to the markers 172 of the supporting plate 150. Of course, the photo sensor 171 may also be fixed on the side of the supporting plate 150 away from the fixed plate 140 and toward the fixture 160, and a plurality of threaded holes are provided on the fixture 160 for example to be detachably connected with the indicators 172, so that the photo sensor 171 can determine the model of the fixture 160 according to the indicators 172 of the fixture 160.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a mechanism is riveted to multiple spot position pressure which characterized in that includes:
the center of the rotating disc is provided with a press riveting working space;
the connecting rod assemblies are circumferentially arranged on the rotating disc and comprise rotating ends and press riveting ends, the rotating ends are connected with the rotating disc, and the press riveting ends face the center of the rotating disc and correspond to the press riveting working space;
the driving device is arranged on one side of the rotating disc and used for driving the rotating disc to rotate;
when the rotating ends of all the connecting rod assemblies rotate along with the rotating disc, the press riveting ends of all the connecting rod assemblies can slide towards the center of the rotating disc and simultaneously extend into the press riveting working space.
2. The multi-point riveting press according to claim 1, wherein the multi-point riveting press comprises:
the fixed disk, the rolling disc is located fixed disk one side, fixed disk circumference is equipped with a plurality of connecting rod guide ways, the connecting rod guide way is located the fixed disk orientation one side of rolling disc, link assembly locates the connecting rod guide way.
3. The multi-point clinch mechanism of claim 2, wherein the link guide channel includes:
the translational guide groove is arranged along the radial direction of the fixed disc and communicated with the press riveting working space;
and the rotary guide groove is communicated with one side of the translational guide groove, which is far away from the pressure riveting working space.
4. The multi-point riveting press mechanism according to claim 3, wherein the connecting rod assembly comprises:
the first connecting rod is arranged in the translational guide groove, and the riveting end is arranged on the first connecting rod;
the second connecting rod is arranged in the rotating guide groove and hinged to one side, away from the squeeze riveting end, of the first connecting rod, the rotating end is arranged on one side, away from the first connecting rod, of the second connecting rod, and the rotating end is hinged to the rotating disc.
5. The multi-point riveting press mechanism according to claim 2, wherein the fixed plate comprises:
the rotating disc moving groove is formed in the rotating disc;
the driving opening is arranged on any one side of the rotating disc moving groove and communicated with the rotating disc moving groove;
wherein the rotating disc is provided with an extension piece, and the extension piece extends out of the driving opening and is connected with the driving device.
6. The multi-point clinching mechanism of claim 5, wherein the drive means includes:
the output piece is arranged along the tangential direction of the rotating disc and is hinged to the extending piece;
and the linear driving mechanism is connected with the output piece and pushes the output piece to move.
7. The multi-point riveting press according to claim 5, further comprising:
and the displacement sensor is arranged on one side of the extension piece, which is far away from the driving device, and is used for detecting the displacement of the extension piece.
8. The multi-point riveting press according to any one of claims 2-7, further comprising:
the supporting disk is arranged on one side, far away from the fixed disk, of the rotating disk and connected with the fixed disk, a workpiece mounting cavity is formed in the center of the supporting disk and communicated with the riveting working space.
9. The multi-point riveting press according to claim 8, further comprising:
the fixture is arranged on one side, far away from the fixed disc, of the supporting disc and at least comprises chucks located on two sides of the workpiece mounting cavity.
10. The multi-point riveting press according to claim 9, further comprising:
model identification component locates supporting disk one side, and/or anchor clamps one side, model identification component includes: a photosensor and a marker.
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|---|---|---|---|
| CN202111550810.0A CN114393122B (en) | 2021-12-17 | 2021-12-17 | Multi-point riveting mechanism |
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| CN202111550810.0A CN114393122B (en) | 2021-12-17 | 2021-12-17 | Multi-point riveting mechanism |
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| CN114393122A true CN114393122A (en) | 2022-04-26 |
| CN114393122B CN114393122B (en) | 2024-04-12 |
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| CN202111550810.0A Active CN114393122B (en) | 2021-12-17 | 2021-12-17 | Multi-point riveting mechanism |
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|---|---|
| CN114393122B (en) | 2024-04-12 |
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