CN109127924B - Automatic riveting device for double sealing covers and silencing cross pipes - Google Patents
Automatic riveting device for double sealing covers and silencing cross pipes Download PDFInfo
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- CN109127924B CN109127924B CN201811173669.5A CN201811173669A CN109127924B CN 109127924 B CN109127924 B CN 109127924B CN 201811173669 A CN201811173669 A CN 201811173669A CN 109127924 B CN109127924 B CN 109127924B
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- 238000007789 sealing Methods 0.000 title claims abstract description 39
- 230000030279 gene silencing Effects 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 125
- 238000007599 discharging Methods 0.000 claims abstract description 35
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000003825 pressing Methods 0.000 claims description 52
- 239000000463 material Substances 0.000 claims description 28
- 238000007667 floating Methods 0.000 claims description 18
- 239000000523 sample Substances 0.000 claims description 18
- 230000007704 transition Effects 0.000 claims description 12
- 238000004080 punching Methods 0.000 claims description 11
- 230000009977 dual effect Effects 0.000 claims 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003584 silencer Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
-
- 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
-
- 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
-
- 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
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/027—Combined feeding and ejecting devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention relates to an automatic riveting device for double sealing covers and silencing cross pipes, which belongs to the technical field of riveting equipment and is characterized in that: the automatic riveting machine comprises a frame, and a conveying mechanism, a follower fixture, a detection mechanism, a positioning mechanism, a riveting mechanism and a discharging mechanism which are respectively arranged on the frame; the conveying mechanism drives the follower fixture to horizontally slide and sequentially pass through the detecting mechanism, the riveting mechanism and the discharging mechanism; the positioning mechanisms are at least three and are respectively arranged corresponding to the detection mechanism, the riveting mechanism and the unloading mechanism. The beneficial effects of the invention are as follows: the double-sealing cover and the silencing cross pipe are arranged on the follow-up tool, the conveying mechanism drives the follow-up tool to sequentially pass through the detecting mechanism, the riveting mechanism and the unloading mechanism, prepressing, riveting and unloading are automatically completed, the structure is compact, the processing efficiency is remarkably improved, the labor intensity is reduced, meanwhile, accurate positioning is realized through the positioning mechanism, the riveting precision is guaranteed, and the product quality is improved.
Description
Technical Field
The invention relates to the technical field of riveting equipment, in particular to an automatic double-sealing cover and silencing cross-pipe riveting device.
Background
A piston compressor is a compressor that pressurizes and delivers gas by means of a reciprocating motion of living cold. Belongs to a volume type compressor, which is also called a reciprocating piston compressor or a reciprocating compressor. Mainly comprises a working cavity, a transmission part, a machine body and an auxiliary part. The working cavity is directly used for compressing gas and consists of a cylinder, a cylinder sleeve, a gas valve, a filler, a piston and a piston rod. The piston is driven by the piston rod to reciprocate in the cylinder, the volumes of working chambers at two sides of the piston are inversely changed in turn, the gas at one side with the reduced volume is discharged through the gas valve due to the pressure increase, the gas is sucked into the cylinder through the gas valve due to the pressure decrease at one side with the increased volume, the transmission part is used for realizing the reciprocating motion, and the transmission part is provided with a curved sleeve connecting rod, an eccentric sliding block, a sloping cam plate and the like, wherein the crankshaft connecting rod mechanism is most commonly used and consists of a cross head, a connecting rod, a crankshaft and the like.
In order to reduce noise, a silencing pipe assembly is arranged in the piston compressor and comprises two sealing covers and a silencing cross pipe, the silencing cross pipe is U-shaped, and two ends of the silencing cross pipe are respectively connected to the two sealing covers; the silencing cross pipe needs to be riveted and then subjected to seal welding processing, so that deformation of a product in the seal welding process is reduced. However, the existing riveting process of the silencer pipe assembly has low automation degree and low production efficiency, and is a main problem which always puzzles various manufacturers. In order to solve the above-mentioned problems, the present application proposes a solution.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an automatic riveting device for double sealing covers and silencing cross pipes. Solves the technical problem of low riveting efficiency.
The aim of the invention is realized by the following technical scheme: automatic riveting set is striden to two closing caps and amortization, its characterized in that: the automatic riveting machine comprises a frame, and a conveying mechanism, a follower fixture, a detection mechanism, a positioning mechanism, a riveting mechanism and a discharging mechanism which are respectively arranged on the frame; the conveying mechanism drives the follower fixture to horizontally slide and sequentially pass through the detecting mechanism, the riveting mechanism and the discharging mechanism; the positioning mechanisms are at least three and are respectively arranged corresponding to the detection mechanism, the riveting mechanism and the unloading mechanism.
Preferably, a placement groove is formed in the follower fixture, and comprises two circular grooves and a strip-shaped long groove; a plurality of sector grooves are uniformly formed around the circular groove, the small ends of the sector grooves face the circular groove and are communicated with the circular groove, and the central line of the sector grooves is arranged along the radial direction of the circular groove; at least two V-shaped grooves are formed in one side face of the follower fixture; and a discharging through hole is formed in the follower fixture and is positioned in the middle of the circular groove.
Preferably, the rack is provided with a track, and the conveying mechanism drives the follower fixture to horizontally and circularly slide on the track; the track is a closed rectangular channel.
Preferably, the inner side of the track is rotatably provided with a plurality of rollers, and the rollers are arranged on the lateral side and are abutted against the lateral side of the follower fixture.
Preferably, the positioning mechanism comprises at least one positioning cylinder and a positioning pin; the free end of the positioning pin is a V-shaped inclined plane and is matched with the V-shaped groove; the two positioning mechanisms are fixed on the side face of the frame, and the positioning pins penetrate through the frame to lean against the V-shaped grooves.
Preferably, the detection mechanism comprises a first lifting cylinder, a first connecting block, a pressing rod, a pressing cylinder, a probe and a detector; the first lifting cylinder is vertically fixed on the frame, and the first connecting block is fixed at the lower end of the piston cylinder of the first lifting cylinder; the material pressing rod and the probe are vertically arranged in the first connecting block in a sliding manner, and return springs positioned in the first connecting block are sleeved on the material pressing rod and the probe; the first connecting block is provided with a detector; one end of the probe is arranged corresponding to the circular groove, and the other end extends out of the first connecting block to correspond to the detector; one end of the material pressing rod extends upwards to form a first connecting block, the other end of the material pressing rod is arranged above the strip-shaped long groove in a downward corresponding mode, and the lower end of the material pressing rod is matched with the strip-shaped long groove; the material pressing cylinder is fixed above the first connecting block.
Preferably, the riveting mechanism comprises a second lifting cylinder, a second connecting block, a punching assembly and an impact cylinder; the second lifting cylinder is vertically fixed on the frame, and the second connecting block is fixed at the lower end of the piston cylinder of the second lifting cylinder; the stamping assembly is vertically and slidably connected to the second connecting block, the lower end of the stamping assembly is connected with a pressing die, and the pressing die is matched with the sealing cover and the silencing cross pipe and is correspondingly arranged above the sealing cover and the silencing cross pipe; the impact cylinder is vertically fixed on the frame, and a piston rod of the impact cylinder is correspondingly arranged above the punching assembly.
Preferably, a second transition block is fixed below the second connecting block; the punching component comprises a floating block, a cushion block, a fixed block and a riveting needle; the riveting needle is fixed at the lower end of the fixed block, and the cushion block is abutted between the floating block and the fixed block; a guide block is fixed on the second transition block, the floating block is arranged in the guide block in a sliding way, and the riveting needle is arranged in the second connecting block in a sliding way; the upper end of the floating block exceeds the guide block and corresponds to the impact cylinder, the lower end of the floating block is abutted against the upper end of the cushion block, and the pressing die is fixedly connected with the lower end of the riveting needle; and the lower end of the piston rod of the impact cylinder is connected with an impact block corresponding to the floating block.
Preferably, the lower ends of the first connecting block and the second connecting block are respectively fixed with a limiting block, a plurality of limiting blocks are uniformly arranged along the circumferential direction, and the limiting blocks are matched with the fan-shaped grooves; the lower extreme of stopper has the inclined plane that sets up towards the inboard.
Preferably, the unloading mechanism comprises a supporting plate, a jacking cylinder and an unloading cylinder; the discharging cylinder is fixed on the frame, the supporting plate is connected to the discharging cylinder, and the discharging cylinder drives the supporting plate to reciprocate; the jacking cylinder is fixed below the frame, a piston rod of the jacking cylinder is connected with a push rod, and the push rod is matched with the discharging through hole; and one side of the supporting plate, facing the follower fixture, is provided with a through groove, and the through groove is matched with the ejector rod.
The beneficial effects of the invention are as follows: the double-sealing cover and the silencing cross pipe are arranged on the follow-up tool, the conveying mechanism drives the follow-up tool to sequentially pass through the detecting mechanism, the riveting mechanism and the unloading mechanism, prepressing, riveting and unloading are automatically completed, the structure is compact, the processing efficiency is remarkably improved, the labor intensity is reduced, meanwhile, accurate positioning is realized through the positioning mechanism, the riveting precision is guaranteed, and the product quality is improved.
Drawings
FIG. 1 is a schematic view of a preferred embodiment of the present invention;
FIG. 2 is a schematic diagram of a positioning mechanism;
FIG. 3 is a schematic structural view of a follower fixture;
FIG. 4 is a schematic perspective view of a detection mechanism;
FIG. 5 is a front cross-sectional view of the detection mechanism;
FIG. 6 is a side cross-sectional view of the detection mechanism;
FIG. 7 is a schematic perspective view of a riveting mechanism;
FIG. 8 is an exploded view of the riveting mechanism;
FIG. 9 is a schematic perspective view of the discharge mechanism;
FIG. 10 is a plan view of the discharge mechanism;
FIG. 11 is a schematic view of the structure after riveting the double cover and the silencing cross pipe;
in the figure: 11-a frame, 12-a conveying mechanism, 13-a follower fixture, 14-a detecting mechanism, 15-a positioning mechanism, 16-a riveting mechanism and 17-a discharging mechanism,
21-circular grooves, 22-strip-shaped long grooves, 23-sector grooves, 24-V-shaped grooves, 25-discharging through holes, 26-rubber pads,
31-transverse cylinder, 32-longitudinal cylinder, 33-roller, 34-positioning cylinder, 35-positioning pin, 36-cover, 37-silencing cross pipe, 38-track, 39-welding ring,
41-first lifting cylinder, 42-first connecting block, 43-first limiting block, 44-pressing rod, 45-pressing cylinder, 46-probe, 47-detector, 48-upright post, 49-reset spring,
51-first transition block, 52-cylinder mount, 53-second transition block, 54-impact block,
61-second lifting cylinder, 62-second connecting block, 63-second limiting block, 64-impact cylinder, 65-die, 66-floating block, 67-cushion block, 68-fixed block, 69-rivet,
71-supporting plate, 72-jacking cylinder, 73-unloading cylinder, 74-through groove, 75-ejector rod, 76-stock bin and 77-raw material box.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present invention more apparent. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 11, a machine for automatically riveting a double-cover and silencing cross pipe is characterized in that: the automatic riveting machine comprises a frame 11, and a conveying mechanism 12, a follower fixture 13, a detection mechanism 14, a positioning mechanism 15, a riveting mechanism 16 and a discharging mechanism 17 which are respectively arranged on the frame 11; the conveying mechanism 12 drives the follower fixture 13 to horizontally slide and sequentially pass through the detecting mechanism 14, the riveting mechanism 16 and the discharging mechanism 17; the positioning mechanisms 15 are at least three, and are respectively arranged corresponding to the detection mechanism 14, the riveting mechanism 16 and the unloading mechanism 17.
As shown in fig. 3, the follower fixture 13 is provided with a placing groove for placing the cover 36 and the silencing span tube 37, the placing groove comprises two circular grooves 21 and a strip-shaped long groove 22, the follower fixture 13 is provided with a bulge, the strip-shaped long groove 22 is arranged on the bulge, the circular groove 21 is used for placing the cover 36, the size of the circular groove is 0.5 mm-1 mm larger than the outer circle size of the cover 36, and the strip-shaped long groove 22 is used for placing the silencing span tube 37; a plurality of sector grooves 23 are uniformly formed around the circular groove 21, the small ends of the sector grooves 23 face the circular groove 21 and are communicated with the circular groove 21, the central line of the sector grooves 23 is arranged along the radial direction of the circular groove 21, and the sector grooves 23 are used for limiting the sealing cover 36 in the detection mechanism 14 and the riveting mechanism 16; at least two V-shaped grooves 24 are formed in one side face of the follower fixture 13, the V-shaped grooves 24 extend from the top face to the bottom face of the follower fixture 13, and the V-shaped grooves 24 are used for horizontally and accurately positioning the detection mechanism 14 and the riveting mechanism 16; the follower fixture 13 is provided with a discharging through hole 25, and the discharging through hole 25 is positioned in the middle of the circular groove 21 and used for the ejection procedure of the discharging mechanism 17.
As shown in fig. 2, when the follower fixture 13 moves laterally, the end faces of the adjacent follower fixtures 13 abut against each other, a rubber pad 26 is fixed at one end of the follower fixture 13, when the follower fixture 13 moves laterally, the former fixture is pushed by the latter fixture to move, and the buffer rubber mounted on the follower fixture 13 can reduce vibration between the adjacent follower fixtures 13.
As shown in fig. 1, the frame 11 is provided with a track 38, and the conveying mechanism 12 drives the follower fixture 13 to horizontally and circularly slide on the track 38; the track 38 is a closed rectangular channel; the conveying mechanism 12 comprises two transverse air cylinders 31 and two longitudinal air cylinders 32, the two transverse air cylinders 31 and the two longitudinal air cylinders 32 respectively correspond to one sides of the rectangular track 38, the transverse air cylinders 31 drive the follower fixture 13 to transversely move, and the longitudinal air cylinders 32 drive the follower fixture 13 to longitudinally move. In this embodiment, the transverse cylinder 31 is fixed on the side of the frame 11, the piston rod of the transverse cylinder is connected with a transverse push plate, the transverse push plate is located above the track 38, the follower fixture 13 is rectangular, and the transverse push plate correspondingly pushes the end face of the follower fixture 13; the longitudinal cylinder 32 is fixed below the frame 11, the longitudinal cylinder 32 adopts a rodless cylinder, the structure is more compact, a longitudinal push plate is connected to the rodless cylinder, and the longitudinal push plate correspondingly pushes the side face of the follower fixture 13. The detecting mechanism 14, the positioning mechanism 15, the riveting mechanism 16 and the discharging mechanism 17 are all disposed on the long side of the rail 38.
The follower fixture 13 is circularly operated in a fixed annular closed track 38, and the number of the fixture can be appropriately increased or decreased according to the production takt requirement of the product.
As shown in fig. 2, a plurality of rollers 33 are rotatably disposed on the inner side of the track 38, and the rollers 33 are disposed on lateral sides and abut against the lateral sides of the follower fixture 13, so as to reduce the lateral movement friction force when the follower fixture 13 slides.
As shown in fig. 2, the positioning mechanism 15 includes at least one positioning cylinder 34 and a positioning pin 35, the positioning cylinder 34 is fixed on one side of the frame 11, the positioning pin 35 is fixed on the end of the piston rod of the positioning cylinder 34, and the positioning pin 35 is arranged corresponding to the V-shaped groove 24; in the present embodiment, the positioning cylinder 34 is provided with two; the free end of the positioning pin 35 is a V-shaped inclined plane and is matched with the V-shaped groove 24; the two positioning mechanisms 15 are fixed on the side surface of the frame 11, and the positioning pin 35 passes through the frame 11 to be abutted in the V-shaped groove 24; the positioning mechanisms 15 are at least three, the three positioning mechanisms 15 are respectively arranged corresponding to the detecting mechanism 14, the riveting mechanism 16 and the discharging mechanism 17, when the follower fixture 13 enters the detecting station or the riveting station, the positioning cylinder 34 pushes the positioning pin 35 to extend out, the V-shaped inclined planes are abutted against the V-shaped grooves 24 and are matched with each other, and the positioning of the follower fixture 13 is completed.
The detection mechanism 14, the riveting mechanism 16 and the discharging mechanism 17 are all arranged on the transverse part of the track 38; the follower fixture 13 sequentially passes through the detection mechanism 14, the riveting mechanism 16 and the discharging mechanism 17 under the pushing of the transverse cylinder 31.
As shown in fig. 4, 5 and 6, the detecting mechanism 14 includes a first lifting cylinder 41, a first connecting block 42, a first limiting block 43, a pressing rod 44, a pressing cylinder 45, a probe 46 and a detector 47; the first lifting cylinder 41 is vertically fixed on the frame 11, the first connecting block 42 is fixed at the lower end of the piston cylinder of the first lifting cylinder 41, in this embodiment, two upright posts 48 are fixed on the frame 11, the first lifting cylinder 41 is fixed on the upright posts 48, the first connecting block 42 is slidably sleeved on the two upright posts 48, and the first lifting cylinder 41 drives the first connecting block 42 to move up and down;
the first limiting blocks 43 are fixed at the lower ends of the first connecting blocks 42, a plurality of first limiting blocks 43 are uniformly arranged along the circumferential direction, and the first limiting blocks 43 are matched with the fan-shaped grooves 23; the lower end of the first stopper 43 has an inclined surface facing the inside. When in prepressing, the sealing cover 36 is placed in the circular groove 21, the first limiting block 43 moves downwards along with the first connecting block 42, the first limiting block 43 enters the fan-shaped groove 23, the inclined surface is abutted against the circumference of the sealing cover 36, the sealing cover 36 is pressed and fixed, the displacement of the sealing cover 36 is limited, the structure is simple and reliable, the sealing cover 36 can be prevented from jumping during prepressing, accurate positioning is completed, and the prepressing precision is improved;
the material pressing rod 44 and the probe 46 are vertically arranged in the first connecting block 42 in a sliding manner, and return springs 49 positioned in the first connecting block 42 are sleeved on the material pressing rod 44 and the probe 46; the first connecting block 42 is provided with a detector 47; one end of the probe 46 is arranged corresponding to the circular groove 21, and the other end extends out of the first connecting block 42 to correspond to the detector 47; one end of the material pressing rod 44 extends upwards to form a first connecting block 42, the other end of the material pressing rod 44 is arranged above the strip-shaped long groove 22 correspondingly downwards, and the lower end of the material pressing rod 44 is matched with the strip-shaped long groove 22; the pressing cylinder 45 is fixed above the first connecting block 42, and a piston rod of the pressing cylinder 45 is correspondingly arranged above the pressing rod 44.
In the present embodiment, for ease of installation, a first transition block 51 is fixed below the first connection block 42, and is fixed by bolting; the first limiting block 43 is fixed at the lower end of the first transition block 51 through a bolt; the middle parts of the first connecting block 42 and the first transition block 51 are provided with a spring cavity, the upper end and the lower end of the spring cavity are all communicated, the diameter of a communication hole at the upper end and the lower end is smaller than that of the spring cavity, the material pressing rod 44 and the probe 46 are provided with steps, the steps are clamped at the lower end of the spring cavity, and the reset spring 49 is arranged in the spring cavity; and a cylinder bracket 52 is fixed at the upper end of the first connecting block 42 by bolts, a pressing cylinder 45 is fixed on the cylinder bracket 52, and a detector 47 is also fixed on the cylinder bracket 52.
The product on the follower fixture 13 is pre-installed by manual work and placed in a placing groove, when pre-installed, two ends of the silencing span pipe 37 are inserted on the two sealing covers 36, but the pressed depth is not up to the standard, and mechanical external force is needed to be adopted for pressing; when the follower fixture 13 moves to the detection station, the first lifting cylinder 41 drives the whole detection mechanism 14 to move downwards to a fixed position, if a product is arranged on the follower fixture 13, the probe 46 moves upwards by a certain distance due to the sealing cover 36, the probe 46 moves upwards and triggers the detector 47, a signal is fed back to the controller through the detector 47, the controller sends a signal to enable the material pressing cylinder 45 to press the material pressing rod 44 downwards, the material pressing rod 44 enables the force of the material pressing cylinder 45 to act on the silencing spanning pipe 37, and the two ends of the silencing spanning pipe 37 are thoroughly pressed into the sealing cover 36 to prepare for the next riveting process.
Referring to fig. 6 and 11, the welding ring 39 is already sleeved on the silencing span pipe 37, and grooves for avoiding the welding ring 39 are formed in the material pressing rod 44 and the long strip groove 22.
The device also comprises a controller, wherein the input end of the controller is electrically connected with the detector 47, and the output end of the controller is respectively electrically connected with the transverse cylinder 31, the longitudinal cylinder 32, the first lifting cylinder 41, the material pressing cylinder 45, the second lifting cylinder 61, the lifting cylinder 72 and the unloading cylinder 73 to control the starting and the closing of the cylinders. The detector 47 is a conventional proximity switch.
As shown in fig. 7 and 8, the riveting mechanism 16 includes a second lifting cylinder 61, a second connecting block 62, a second stopper 63, a punching assembly and an impact cylinder 64; the second lifting cylinder 61 is vertically fixed on the frame 11, the second connecting block 62 is fixed at the lower end of the piston cylinder of the second lifting cylinder 61, in this embodiment, two upright posts 48 are fixed on the frame 11, the second lifting cylinder 61 is fixed on the upright posts 48, the second connecting block 62 is slidably sleeved on the two upright posts 48, and the second lifting cylinder 61 drives the second connecting block 62 to move up and down;
the second limiting blocks 63 are fixed at the lower ends of the second connecting blocks 62, a plurality of second limiting blocks 63 are uniformly arranged along the circumferential direction, and the second limiting blocks 63 are matched with the fan-shaped grooves 23; the lower end of the second limiting block 63 has an inclined surface facing the inner side. When the sealing cover is in operation, the second limiting block 63 moves downwards along with the second connecting block 62, the second limiting block 63 enters the fan-shaped groove 23, the inclined surface abuts against the circumference of the sealing cover 36, the sealing cover 36 is pressed and fixed, the displacement of the sealing cover 36 is limited, and the sealing cover is simple and reliable in structure;
the stamping assembly is vertically and slidably connected to the second connecting block 62, the lower end of the stamping assembly is connected with a pressing die 65, the pressing die 65 is matched with the sealing cover 36 and the silencing span pipe 37 and is correspondingly arranged above the sealing cover 36 and the silencing span pipe 37, and the upper end of the stamping assembly exceeds the second connecting block 62; the impact cylinder 64 is vertically fixed on the frame 11, and a piston rod of the impact cylinder 64 is correspondingly arranged above the punching assembly.
In the present embodiment, for easy installation, a second transition block 53 is fixed below the second connection block 62, and is fixed by bolting; the second limiting block 63 is fixed at the lower end of the second transition block 53 through a bolt; and the punching assembly comprises a floating block 66, a cushion block 67, a fixed block 68 and a riveting pin 69; the rivet 69 is fixed at the lower end of the fixed block 68, and the cushion block 67 is abutted between the floating block 66 and the fixed block 68; a guide block is fixed on the second transition block 53, a floating block 66 is arranged in the guide block in a sliding way, and a riveting needle 69 is arranged in the second connecting block 62 in a sliding way; the upper end of the floating block 66 exceeds the guide block and corresponds to the impact cylinder 64, the lower end of the floating block is abutted against the upper end of the cushion block 67, and the pressing die 65 is fixedly connected to the lower end of the riveting pin 69. And an impact block 54 corresponding to the slider 66 is connected to the lower end of the piston rod of the impact cylinder 64.
During riveting, the second lifting cylinder 61 stretches out and drives the second limiting block 63 to move downwards to finish positioning the sealing cover 36, then the impact cylinder 64 is started to drive the impact block 54 to move downwards and strike the punching assembly, and the pressing die 65 is driven to press the silencing span pipe 37 to rivet the silencing span pipe 37 on the sealing cover 36.
The first stopper 43 and the second stopper 63 have the same structure and are applied to the detecting mechanism 14 and the caulking mechanism 16, respectively.
As shown in fig. 9 and 10, the discharging mechanism 17 includes a support plate 71, a jacking cylinder 72, and a discharging cylinder 73; the unloading cylinder 73 is fixed on the frame 11, the supporting plate 71 is connected to the unloading cylinder 73, and the unloading cylinder 73 drives the supporting plate 71 to reciprocate; the jacking cylinder 72 is fixed below the frame 11, a piston rod of the jacking cylinder 72 is connected with a push rod 75, the push rod 75 is matched with the unloading through hole 25, the diameter of the push rod 75 is smaller than that of the unloading through hole 25, and the push rod 75 can slide in the unloading through hole 25; the support plate 71 is provided with a through groove 74 on one side facing the follower fixture 13, and the through groove 74 is matched with the ejector rod 75. The unloading cylinder 73 adopts a rodless cylinder. A positioning mechanism 15 is fixed on one side of the frame 11.
After the follower fixture 13 enters the unloading station, the positioning cylinder 34 is started, the positioning pin 35 props against the follower fixture 13, then the jacking cylinder 72 is started, the ejector rod 75 ejects the riveted finished product, then the unloading cylinder 73 is started, the supporting plate 71 is driven to retract through the ejector rod 75, the jacking cylinder 72 can retract, the finished product can fall on the supporting plate 71, the unloading cylinder 73 drives the supporting plate 71 to reset, the bin 76 fixed on the support is arranged below the supporting plate 71, the frame 11 is connected with the compressed air pipe, the supporting plate 71 is aligned, the compressed air pipe is not shown in the figure, and after the supporting plate 71 brings the double sealing cover 36 back, the double sealing cover 36 is blown off the feeding bin 76 through the compressed air.
A stock box 77 is fixed to one side of the frame 11, and a double cover 36 or a silencing cross tube 37 can be placed in the stock box 77, so that a worker can take out the stock conveniently, and the worker installs the stock onto the follower fixture 13 at this preassembling station, and in this embodiment, the stock box 77 is disposed on the opposite side of the riveting mechanism 16.
The working steps of the application are as follows:
s1: a preassembling procedure, wherein the conveying mechanism 12 drives the follower fixture 13 to enter a preassembling station, and workers install the double sealing covers 36 and the silencing cross pipes 37 on the follower fixture 13;
s2: the detection procedure, the conveying mechanism 12 drives the follower fixture 13 to enter a detection station, the first lifting cylinder 41 is started to drive the whole detection mechanism 14 to move downwards to a fixed position, if a product is arranged on the follower fixture 13, the probe 46 moves upwards by a certain distance due to the sealing cover 36, the probe 46 moves upwards and triggers the detector 47, a signal is fed back to the controller through the detector 47, the controller sends a signal to enable the material pressing cylinder 45 to press the material pressing rod 44 downwards, the material pressing rod 44 acts the force of the material pressing cylinder 45 on the silencing spanning pipe 37, the two ends of the silencing spanning pipe 37 are thoroughly pressed into the sealing cover 36, the first lifting cylinder 41 is reset, and the prepressing detection is completed;
s3: a riveting process, namely driving the follower fixture 13 to enter a riveting station by the conveying mechanism 12, starting a second lifting cylinder 61, driving a second limiting block 63 to move downwards to finish positioning the sealing cover 36, then starting an impact cylinder 64, driving an impact block 54 to move downwards and impact a punching assembly, driving a pressing die 65 to squeeze the silencing span pipe 37, riveting the silencing span pipe 37 on the sealing cover 36, and resetting the second lifting cylinder 61 to finish riveting;
s4: a discharging procedure, wherein the conveying mechanism 12 drives the follower fixture 13 to enter a discharging station, the positioning cylinder 34 is started, the positioning pin 35 props against the follower fixture 13, the jacking cylinder 72 is started, the ejector rod 75 is driven to move upwards, and the double sealing covers 36 are ejected through the discharging through holes 25; then the unloading cylinder 73 is started to push the supporting plate 71 so as to pass through the ejector rod 75 through the groove 74, then the jacking cylinder 72 is retracted, the ejector rod 75 moves downwards, and the finished product is left on the supporting plate 71; starting the unloading cylinder 73 again to drive the supporting plate 71 to retract, and finally blowing off the finished product from the feeding bin 76 by compressed air to finish unloading;
s5: and repeating the steps S1 to S4 to finish automatic riveting.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and changes may be made by those skilled in the art within the spirit and principles of the present invention, and such equivalent modifications and substitutions are intended to be included in the scope of the present invention.
Claims (6)
1. Automatic riveting set is striden to two closing caps and amortization, its characterized in that: the automatic riveting machine comprises a frame, and a conveying mechanism, a follower fixture, a detection mechanism, a positioning mechanism, a riveting mechanism and a discharging mechanism which are respectively arranged on the frame; the conveying mechanism drives the follower fixture to horizontally slide and sequentially pass through the detecting mechanism, the riveting mechanism and the discharging mechanism; the positioning mechanisms are at least three and are respectively arranged corresponding to the detection mechanism, the riveting mechanism and the unloading mechanism; a placing groove is formed in the follower fixture, and comprises two circular grooves and a strip-shaped long groove; a plurality of sector grooves are uniformly formed around the circular groove, the small ends of the sector grooves face the circular groove and are communicated with the circular groove, and the central line of the sector grooves is arranged along the radial direction of the circular groove; at least two V-shaped grooves are formed in one side face of the follower fixture; the following tool is provided with a discharging through hole, and the discharging through hole is positioned in the middle of the circular groove; the positioning mechanism comprises at least one positioning cylinder and a positioning pin; the free end of the positioning pin is a V-shaped inclined plane and is matched with the V-shaped groove; the two positioning mechanisms are fixed on the side face of the frame, and the positioning pins penetrate through the frame and lean against the V-shaped grooves; the detection mechanism comprises a first lifting cylinder, a first connecting block, a pressing rod, a pressing cylinder, a probe and a detector; the first lifting cylinder is vertically fixed on the frame, and the first connecting block is fixed at the lower end of the piston cylinder of the first lifting cylinder; the material pressing rod and the probe are vertically arranged in the first connecting block in a sliding manner, and return springs positioned in the first connecting block are sleeved on the material pressing rod and the probe; the first connecting block is provided with a detector; one end of the probe is arranged corresponding to the circular groove, and the other end extends out of the first connecting block to correspond to the detector; one end of the material pressing rod extends upwards to form a first connecting block, the other end of the material pressing rod is arranged above the strip-shaped long groove in a downward corresponding mode, and the lower end of the material pressing rod is matched with the strip-shaped long groove; the material pressing cylinder is fixed above the first connecting block; the riveting mechanism comprises a second lifting cylinder, a second connecting block, a punching assembly and an impact cylinder; the second lifting cylinder is vertically fixed on the frame, and the second connecting block is fixed at the lower end of the piston cylinder of the second lifting cylinder; the stamping assembly is vertically and slidably connected to the second connecting block, the lower end of the stamping assembly is connected with a pressing die, and the pressing die is matched with the sealing cover and the silencing cross pipe and is correspondingly arranged above the sealing cover and the silencing cross pipe; the impact cylinder is vertically fixed on the frame, and a piston rod of the impact cylinder is correspondingly arranged above the punching assembly.
2. The dual closure and sound deadening cross-tube automatic staking device of claim 1, wherein: the rack is provided with a track, and the conveying mechanism drives the follower tool to horizontally and circularly slide on the track; the track is a closed rectangular channel.
3. The dual closure and sound deadening cross-tube automatic staking device of claim 2, wherein: the inner side of the track is rotatably provided with a plurality of rollers, and the rollers are arranged on the lateral side and are propped against the lateral side of the follower fixture.
4. The dual closure and sound deadening cross-tube automatic staking device of claim 1, wherein: a second transition block is fixed below the second connecting block; the punching component comprises a floating block, a cushion block, a fixed block and a riveting needle; the riveting needle is fixed at the lower end of the fixed block, and the cushion block is abutted between the floating block and the fixed block; a guide block is fixed on the second transition block, the floating block is arranged in the guide block in a sliding way, and the riveting needle is arranged in the second connecting block in a sliding way; the upper end of the floating block exceeds the guide block and corresponds to the impact cylinder, the lower end of the floating block is abutted against the upper end of the cushion block, and the pressing die is fixedly connected with the lower end of the riveting needle; and the lower end of the piston rod of the impact cylinder is connected with an impact block corresponding to the floating block.
5. The dual closure and sound deadening cross-tube automatic staking device of claim 1 or 4, wherein: limiting blocks are fixed at the lower ends of the first connecting block and the second connecting block, a plurality of limiting blocks are uniformly arranged along the circumferential direction, and the limiting blocks are matched with the fan-shaped grooves; the lower extreme of stopper has the inclined plane that sets up towards the inboard.
6. The dual closure and sound deadening cross-tube automatic staking device of claim 1, wherein: the discharging mechanism comprises a supporting plate, a jacking cylinder and a discharging cylinder; the discharging cylinder is fixed on the frame, the supporting plate is connected to the discharging cylinder, and the discharging cylinder drives the supporting plate to reciprocate; the jacking cylinder is fixed below the frame, a piston rod of the jacking cylinder is connected with a push rod, and the push rod is matched with the discharging through hole; and one side of the supporting plate, facing the follower fixture, is provided with a through groove, and the through groove is matched with the ejector rod.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811173669.5A CN109127924B (en) | 2018-10-09 | 2018-10-09 | Automatic riveting device for double sealing covers and silencing cross pipes |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811173669.5A CN109127924B (en) | 2018-10-09 | 2018-10-09 | Automatic riveting device for double sealing covers and silencing cross pipes |
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| CN109127924A CN109127924A (en) | 2019-01-04 |
| CN109127924B true CN109127924B (en) | 2024-04-09 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110587217A (en) * | 2019-10-30 | 2019-12-20 | 联伟汽车零部件(重庆)有限公司 | Positioning tool for circumferential welding of tubular parts |
| CN112872283A (en) * | 2021-02-26 | 2021-06-01 | 上海威凝非开挖技术服务有限公司 | Riveting tool |
| CN113385590B (en) * | 2021-06-11 | 2022-12-09 | 中船重工鹏力（南京）智能装备系统有限公司 | Double-end floating riveting equipment |
| CN114713757B (en) * | 2022-04-02 | 2022-11-11 | 成都宏明双新科技股份有限公司 | Annular riveting equipment and method for riveting rivets on product |
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