CN115213340A - Automatic rivet assembly line for tensioning chain wheel production - Google Patents

Abstract

The invention belongs to the technical field of assembly of tensioning sprockets, and provides an automatic rivet assembly line for production of tensioning sprockets, which comprises a rack, wherein a turntable driven by a driving device is rotatably arranged on the rack, and a plurality of workpiece positioning and placing mechanisms are uniformly arranged on the circumferential edge of the turntable; the periphery of the rotary table is sequentially provided with an accessory assembling position, a rivet installing position, a rivet punching position and a workpiece discharging position along the rotation direction of the rotary table, the rivet installing position is provided with a rivet feeding device, the upstream of the rivet feeding device is correspondingly provided with a rivet feeding device, the rivet punching position is provided with a punching and transferring device, the downstream of the punching and transferring device is correspondingly provided with a rivet punching device, and the workpiece discharging position is provided with a workpiece discharging device. The automatic rivet pressing and assembling device can realize automatic pressing and assembling and stamping of rivets, has high automation degree, accurate and reliable assembly and high-efficiency and orderly assembly, greatly improves the rivet assembling efficiency of the tension sprocket, and can meet the production requirement of automatic assembly lines of the tension sprocket.

Description

Automatic rivet assembly line for tensioning chain wheel production

Technical Field

The invention relates to the technical field of assembly of tension sprockets, in particular to an automatic rivet assembly line for production of tension sprockets.

Background

The sprocket transmission is one of mechanical transmissions, and has the advantages of capability of maintaining accurate transmission ratio due to no elastic sliding or slipping, and is widely applied to a plurality of industries, but the sprocket transmission device inevitably has the phenomena of chain abrasion and the like after running for a period of time, so that chain links are lengthened, the chain is loosened, and tooth jumping or chain dropping can be caused if the loosened chain cannot be tensioned in time; the tensioning chain wheel is a core component for ensuring that the chain is kept in an effective tensioning state in the chain wheel transmission device, and the tensioning adjustment of the tensioning chain wheel on the chain can compensate the slack of the chain and ensure that the chain wheel transmission device is always kept in a stable running state.

As shown in fig. 1, for a current tension sprocket structure, the tension sprocket 1 includes a sprocket 101, two stop discs 102 and two rivets 103, where the two stop discs 102 are respectively disposed on two sides of the sprocket 101, and the stop discs 102 are fixedly connected to the sprocket 101 by the rivets 103, so as to ensure that the bearings of the sprocket 101 always maintain an effective assembly state through the stop discs 102, and prevent the bearings from coming off.

At present, the assembly production operation of the tension chain wheel with the structure is still manually completed by manpower, an operator needs to manually buckle the baffle discs on the two sides of the chain wheel respectively and align the baffle discs, after the baffle discs are ensured to correspond to rivet mounting holes of the chain wheel, rivets are inserted one by one, and finally the baffle discs are placed in a punching machine for punching the rivets, so that the assembly of the tension chain wheel is completed; however, the manual rivet installation and the punching process by the punch not only reduces the assembling efficiency of the tension sprocket, increases the assembling cost, increases the labor intensity, wastes time and labor in the assembling work, but also has certain potential safety hazard in the punching process and other operations.

Disclosure of Invention

The present inventors have made intensive studies to overcome the above-identified drawbacks of the prior art, and as a result, have made extensive and inventive efforts, thereby completing the present invention.

Specifically, the technical problems to be solved by the invention are as follows: the utility model provides a tensioning sprocket production is with rivet automatic assembly line to solve present artifical manual rivet installation and take the punching machine again and carry out the processing mode that punches, not only make tensioning sprocket's assembly efficiency low, assembly cost is high, and intensity of labour is big, and assembly work wastes time and energy, and the technical problem who exists certain potential safety hazard.

In order to solve the technical problem, the technical scheme of the invention is as follows:

an automatic rivet assembly line for tensioning chain wheel production comprises a rack, wherein a rotary table driven by a driving device is rotatably mounted on the rack, and a plurality of workpiece positioning and placing mechanisms are uniformly arranged on the circumferential edge of the rotary table;

the periphery of carousel is equipped with accessory assembly position, rivet installation position, rivet punching press position and work piece unloading position in proper order along its direction of rotation, and accessory assembly position, rivet installation position, rivet punching press position and work piece unloading position center on carousel evenly distributed sets up, rivet installation position department is equipped with rivet loading attachment, rivet loading attachment's upper reaches correspondence is equipped with rivet feedway, rivet punching press position department is equipped with the punching press transfer device, the low reaches correspondence of punching press transfer device is equipped with rivet punching press device, work piece unloading position department is equipped with work piece extracting device.

As an improved technical scheme, the driving device comprises a rotary table driving motor fixedly installed on the rack workbench, a driving belt wheel is installed on an output shaft of the rotary table driving motor, a driven belt wheel is installed on a supporting shaft of the rotary table, a synchronous belt is wound between the driving belt wheel and the driven belt wheel, and the driving belt wheel and the driven belt wheel are connected in a transmission mode through the synchronous belt.

As an improved technical scheme, the number of the workpiece positioning and placing mechanisms is four, and the four workpiece positioning and placing mechanisms are distributed at the circumferential edge positions of the turntable respectively.

As a modified technical scheme, work piece location placement mechanism include fixed mounting in the board is placed in location on the carousel, the bottom fixed mounting that the board was placed in the location has the location cylinder, the tailpiece of the piston rod portion fixed mounting of location cylinder has the locating pin that is used for realizing the positioning of tensioning sprocket, the locating pin is equipped with two, and two have between the locating pin with the interval of tensioning sprocket to angular position rivet hole looks adaptation, the location place set up on the board respectively with the locating pin corresponds the setting, supplies the through-hole that the locating pin activity was alternated, when being in the positioning state, the locating pin passes through the through-hole runs through the board is placed in the location.

As an improved technical scheme, the circumferential edge position of the turntable is uniformly provided with placing plate mounting openings matched with the positioning placing plates, and the positioning placing plates are fixedly mounted on the turntable at the placing plate mounting openings respectively.

As an improved technical scheme, a first positioning groove used for positioning and placing the tensioning chain wheel is further formed in the positioning placing plate, and the first positioning groove is located between the two positioning pins.

As an improved technical scheme, a rivet material frame is arranged on one side of the rack, the rivet feeding device is a vibration disc type feeding machine, and the vibration disc type feeding machine is fixedly installed on the rivet material frame.

As a modified technical scheme, rivet loading attachment include along X axle direction fixed mounting in first electric jar on the rivet work or material rest, on the rivet work or material rest still fixed mounting have with first electric jar parallel arrangement's electric jar secondary rail, first electric jar with install the mounting bracket that slides on the slide of electric jar secondary rail, it has the second electric jar to slide along Y axle direction fixed mounting on the mounting bracket, fixed mounting has the mount pad that slides on the slide of second electric jar, it has the third electric jar to slide along Z axle direction fixed mounting on the mount pad, fixed mounting has the mounting panel that slides on the slide of third electric jar, be equipped with the rivet mechanism of impressing on the mounting panel that slides.

As an improved technical scheme, the rivet pressing-in mechanism comprises a grabbing head mounting plate which is arranged on the sliding mounting plate in a sliding mode and driven by a rivet pressing-in cylinder, and a rivet grabbing head is fixedly arranged on the grabbing head mounting plate.

As a modified technical scheme, fixed mounting has the punching press mounting bracket in the frame, the punching press transfer device include fixed mounting in first lift cylinder on the punching press mounting bracket, the piston shaft tip fixed mounting of first lift cylinder has first cylinder mounting panel, fixed mounting has revolving cylinder on the first cylinder mounting panel, fixed mounting has second cylinder mounting panel on revolving stage of revolving cylinder, the first clamping jaw cylinder that is used for realizing that tension sprocket snatchs is all installed at the both ends of second cylinder mounting panel.

As a modified technical scheme, rivet stamping device include fixed mounting in punching press support body on the punching press mounting bracket, the bottom of punching press support body is equipped with the punching press chopping block, set up the second constant head tank that is used for realizing that the positioning of tension sprocket placed on the punching press chopping block, still install punching press cylinder driven clamp plate on the punching press support body, the bottom fixed mounting of clamp plate have with the second constant head tank corresponds the clamping ring that sets up.

As a modified technical scheme, fixed mounting has the fixed plate on the punching press support body, there is first cylinder mount pad along vertical direction slidable mounting on the fixed plate, the top fixed mounting of fixed plate has the kicking block, rotate on the kicking block and install adjusting screw, adjusting screw's screw thread end runs through the kicking block and with first cylinder mount pad threaded connection, punching press cylinder fixed mounting in on the first cylinder mount pad, just the piston shaft of punching press cylinder runs through first cylinder mount pad and with clamp plate fixed connection.

As a modified technical scheme, work piece extracting device include fixed mounting in electric jar mounting panel in the frame, there is the fourth electric jar along X axle direction fixed mounting on the electric jar mounting panel, fixed mounting has second cylinder mount pad on the slide of fourth electric jar, fixed mounting has second lift cylinder on the second cylinder mount pad, the piston shaft tip fixed mounting of second lift cylinder has third cylinder mounting panel, the third cylinder mounting panel is close to the one end fixed mounting of carousel has the second clamping jaw cylinder that is used for realizing that tension sprocket snatchs.

After the technical scheme is adopted, the invention has the beneficial effects that:

(1) The automatic rivet assembly line for the production of the tension chain wheel has the advantages that workpieces are positioned and placed on the workpiece positioning and placing mechanism of the rotary table, the rotary table is driven by the driving device to rotate intermittently, so that the intermittent conveying of the workpieces is realized, after the feeding and the positioning assembly of the chain wheel of the tension chain wheel and the baffle discs on two sides are completed at the accessory assembling position, the workpieces are conveyed to the rivet installing position by the rotary table, and through the matching of the rivet feeding device and the rivet feeding device, the rivet is sequentially installed, after the rivets are installed, the tensioning chain wheel is conveyed to a rivet punching position by the rotary table, the rivets are punched by the punching and transferring device and the rivet punching device, and finally, the tensioning chain wheel is conveyed to a workpiece discharging position by the rotary table, and the assembled tensioning chain wheel is transferred to the next procedure by the workpiece taking device, so that the automatic assembling production of the tensioning chain wheel is realized; and after the workpiece is processed at one station, the next workpiece automatically enters the current station while being conveyed to the next station, so that the rivet assembling work of the tension chain wheel is efficient and orderly.

Through this automatic rivet assembly line for tensioning sprocket production, can realize the automatic installation and the punching press of impressing of rivet to realize tensioning sprocket's automatic assembly production, not only degree of automation is high, and the assembly is accurate reliable, and the assembly is high-efficient orderly, has improved tensioning sprocket's rivet assembly efficiency greatly, can satisfy the production demand of the automatic assembly line of tensioning sprocket.

(2) The turntable driven by the driving device is arranged, the turntable driving motor works to drive the turntable to intermittently rotate, after the workpiece is processed at the current station, the turntable conveys the workpiece to the next station, and meanwhile, the next workpiece is conveyed to the current station, so that automatic installation and stamping of rivets are realized, and automatic blanking of the assembled tensioning chain wheel is realized, and the assembled tensioning chain wheel is efficient and orderly in assembly production.

(3) The workpiece positioning and placing mechanism is arranged, a distance which is matched with a rivet hole at an angular position of the tensioning chain wheel is formed between two positioning pins driven by a positioning cylinder, the positioning pins can be lifted and lowered under the driving of the positioning cylinder, and the chain wheel and two side blocking discs thereof are inserted on the positioning pins, so that the tensioning chain wheel is positioned and placed; during rivet installation, rivet loading attachment is earlier with two rivet location cartridge to two rivet holes in the tensioning sprocket angular position, realizes the location connection back between sprocket and both sides fender dish through two rivets of installation, and the location cylinder work, and the drive locating pin descends, and later, rivet loading attachment is again installed two rivets in two other rivet holes in tensioning sprocket angular position, so realize the accurate orderly installation of rivet.

(4) The positioning placing plate is provided with a first positioning groove, positioning placing of the tension sprocket can be achieved, and after the positioning cylinder drives the positioning pin to descend, positioning placing of the tension sprocket in a conveying process from the rivet mounting position to the rivet punching position and from the rivet punching position to the workpiece blanking position is achieved.

(5) The rivet feeding device is arranged, so that automatic feeding of rivets can be realized; this rivet loading attachment that is equipped with, under the coordination of first electric jar, second electric jar and third electric jar, the displacement of drive rivet impressing mechanism is got the material back from the rivet feedway through rivet impressing mechanism, snatchs the rivet to rivet installation position, realizes the automatic installation of rivet.

(6) This rivet mechanism of impressing that is equipped with snatchs first through the rivet and realizes getting of rivet and put, snatchs the rivet to rivet installation position and just behind tension sprocket's rivet hole, and the cylinder work of impressing is riveted to the rivet, and the drive rivet snatchs first decline displacement, impresses the rivet in tension sprocket's rivet hole to realize the automatic installation of rivet.

(7) Realize snatching first mounting panel in the ascending slidable mounting of vertical side through guide rail and slider for the lift that the rivet snatched the head is steady, provides reliable guarantee for the rivet is impressed in the downthehole accuracy of tension sprocket's rivet.

(8) According to the stamping and transferring device, after a tensioning chain wheel provided with rivets is conveyed to a rivet stamping position, a first lifting cylinder works to drive a first cylinder mounting plate to descend and reset, then first clamping jaw cylinders at two ends of a second cylinder mounting plate work to clamp a tensioning chain wheel to be stamped on a turntable and a tensioning chain wheel completing stamping on a stamping chopping board respectively, then a first lifting cylinder works to lift the rotating cylinder and the first clamping jaw cylinders, the rotating cylinder works to drive a second cylinder mounting plate to rotate at 180 degrees, the tensioning chain wheel to be stamped and the tensioning chain wheel completing stamping are shifted, after the tensioning chain wheel to be stamped and completed stamping is shifted, the first lifting cylinder works to re-drive the first cylinder mounting plate to descend and reset, the first clamping jaw cylinder releases the clamping state of the tensioning chain wheel, the tensioning chain wheel completing stamping is placed on the turntable, the tensioning chain wheel to be stamped and placed on the stamping device of the stamping device, and finally, the first lifting cylinder works to drive the rotating cylinder and the first clamping jaw cylinders to ascend, and reset, and the tensioning chain wheel to repeatedly transfer the rivets between the turntable and the stamping device.

(9) This rivet stamping device that is equipped with, set up some second constant head tanks on the punching press chopping block and can realize that tension sprocket's location is placed, tension sprocket location is placed the back, punching press cylinder work, the drive clamp plate descends, realize the punching press to the rivet through the clamping ring, and the clamping ring structure that is equipped with, when the fender dish of realization to tension sprocket dodges, it is corresponding with each rivet of installation on the tensioning material wheel, under the driving of punching press cylinder, can once accomplish the punching press of all rivets on the tension sprocket, make the punching press operation to tension sprocket high-efficient orderly.

(10) This punching press cylinder mounting structure who is equipped with loosens locking bolt and lock nut, rotates adjusting screw, can realize the fine setting to punching press cylinder height, through the high fine setting to punching press cylinder, realizes the fine setting to clamping ring punching press stroke, ensures when realizing the effective punching press of rivet, can not cause the punching press damage to tension sprocket, and then has ensured the punching press quality to tension sprocket, the back of finishing adjusting, screws locking bolt and lock nut again, alright realize that the location of the current height-adjusting of punching press cylinder is fixed.

(11) The workpiece taking device is provided with a second lifting cylinder which works to drive a third cylinder mounting plate to descend after the tension chain wheel which completes stamping processing is conveyed to a workpiece discharging position, then a second clamping jaw cylinder works to clamp the tension chain wheel, then the second lifting cylinder works to drive the third cylinder mounting plate to ascend and reset, the second clamping jaw cylinder which clamps the tension chain wheel is lifted, finally, a fourth electric cylinder works to realize the transfer of the tension chain wheel and transfer the tension chain wheel to the next process, so that the automatic and orderly discharging of the tension chain wheel is realized, and after the discharging is completed, a rotary disc conveys a workpiece positioning and placing mechanism after the discharging to an accessory assembling position, so that the assembling period of the tension chain wheel is completed.

Drawings

In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings used in the detailed description or the prior art description will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of a tension sprocket of the present invention;

FIG. 2 is a schematic structural diagram of an automatic assembly line for rivets used in the production of chain wheels according to an embodiment of the present invention;

FIG. 3 is a schematic view of the installation structure of the turntable of the present invention;

FIG. 4 is a schematic structural diagram of a workpiece positioning and placing mechanism according to the present invention;

FIG. 5 is a schematic view of the cooperating structure of the rivet supplying device and the rivet loading device of the present invention;

FIG. 6 is a schematic structural view of the rivet pressing mechanism of the present invention;

fig. 7 is a schematic view of a cooperating mounting structure of the punch-transfer device and the rivet punch device of the present invention;

fig. 8 is a schematic structural view of the punch transfer device of the present invention;

FIG. 9 is a schematic view of the structure of the rivet punching apparatus of the present invention;

fig. 10 is a schematic view of a workpiece take out device of the present invention;

FIG. 11 is a schematic view showing an automatic assembly line for rivets used in the production of a second tension sprocket according to an embodiment of the present invention;

FIG. 12 is a schematic structural view of a second feeding device for accessories according to an embodiment of the present invention;

reference numerals: 1-a tension sprocket; 101-a sprocket; 102-a catch tray; 103-rivets; 2-a frame; 3-universal wheels; 4-a first support leg; 5-a turntable driving motor; 6-driving belt wheel; 7-a driven pulley; 8-synchronous belt; 9-a turntable; 10-positioning a placing plate; 1001-first positioning groove; 11-positioning a cylinder; 12-a locating pin; 13-rivet holders; 14-a second support foot; 15-vibration disc type feeding machine; 16-a first electric cylinder; 17-electric cylinder secondary rail; 18-a skid mounting frame; 19-a second electric cylinder; 20-a sliding mounting seat; 21-a third electric cylinder; 22-a sliding mounting plate; 23-a guide rail; 24-a slide block; 25-gripper head mounting plate; 26-rivet pressing into cylinder; 27-a rivet grasping head; 28-stamping the mounting frame; 29-a first lifting cylinder; 30-a first cylinder mounting plate; 31-a rotary cylinder; 32-a second cylinder mounting plate; 33-a first jaw cylinder; 34-punching the frame body; 35-a punching chopping board; 3501-a second positioning groove; 36-a ram cylinder; 37-a press plate; 38-a pressure ring; 39-fixing plate; 40-a first cylinder mount; 41-a top block; 42-adjusting screw; 43-electric cylinder mounting plate; 44-a fourth electric cylinder; 45-a second cylinder mount; 46-a second lifting cylinder; 47-a third cylinder mounting plate; 48-a second jaw cylinder; 49-a control box; 50-fitting feeding frame body; 51-accessory feed motor; 52-reciprocating sliding cylinder; 53-third jaw cylinder; 54-clamping bar.

Detailed Description

The invention is further illustrated by the following specific examples. The use and purpose of these exemplary embodiments are to illustrate the present invention, not to limit the actual scope of the present invention in any way, and not to limit the scope of the present invention in any way.

Example one

As shown in fig. 1 to 10, the present embodiment provides an automatic rivet assembly line for producing a tension sprocket, which includes a frame 2, a turntable 9 driven by a driving device is rotatably mounted on the frame 2, and a plurality of workpiece positioning and placing mechanisms are uniformly arranged on the circumferential edge of the turntable 9; the periphery of carousel 9 is equipped with accessory assembly position along its direction of rotation in proper order, rivet installation position, rivet punching press position and work piece unloading position, and accessory assembly position, rivet installation position, rivet punching press position and work piece unloading position set up around carousel 9 evenly distributed, rivet installation position department is equipped with rivet loading attachment, rivet feeding attachment's upper reaches correspondence is equipped with rivet feedway, rivet punching press position department is equipped with punching press transfer device, punching press transfer device's low reaches correspondence is equipped with rivet punching press device, work piece unloading position department is equipped with work piece extracting device.

In this embodiment, universal wheel 3 and first supporting leg 4 are all installed to the bottom corner position of frame 2, and the universal wheel 3 is convenient for the transport displacement of frame 2, and the firm support of frame 2 is realized to first supporting leg 4.

The driving device comprises a turntable driving motor 5 fixedly installed on a workbench of the frame 2, a driving belt wheel 6 is installed on an output shaft of the turntable driving motor 5, a driven belt wheel 7 is installed on a supporting shaft of the turntable 9, a synchronous belt 8 is erected between the driving belt wheel 6 and the driven belt wheel 7, the synchronous belt 8 is meshed with the driving belt wheel 6 and the driven belt wheel 7, and the driving belt wheel 6 and the driven belt wheel 7 are connected through the transmission of the synchronous belt 8. The turntable driving motor 5 works to drive the turntable 9 to rotate intermittently through the driving belt wheel 6, the synchronous belt 8 and the driven belt wheel 7.

In this embodiment, four workpiece positioning and placing mechanisms are provided and are respectively distributed at the circumferential edge of the turntable 9, and when the turntable 9 is in a rotation stop state, the four workpiece positioning and placing mechanisms respectively correspond to the accessory mounting position, the rivet punching position and the workpiece discharging position.

By drive arrangement driven carousel 9, carousel driving motor 5 works, and drive carousel 9 intermittent type formula rotates, and the work piece is in current station processing completion back, and carousel 9 carries the work piece to next station, and simultaneously, next work piece carries to current station, so, realizes automatic installation, the punching press of rivet to and the automatic unloading of assembly back tension sprocket, make tension sprocket 1's assembly production high-efficient orderly.

Workpiece location places mechanism and places board 10 including fixed mounting's location on carousel 9, the bottom fixed mounting that board 10 was placed in the location has location cylinder 11, the piston rod tip fixed mounting of location cylinder 11 has the locating pin 12 that is used for realizing the positioning of tensioning sprocket, locating pin 12 is equipped with two, and have the interval with 1 diagonal position rivet hole looks adaptation of tensioning sprocket between two locating pins 12, the location is placed and is offered respectively and corresponds the setting with locating pin 12 on the board 10, the through-hole that supplies the activity of locating pin 12 to alternate, when being in the orientation state, locating pin 12 runs through the location through-hole and places board 10. The workpiece positioning and placing mechanism is arranged, a distance which is matched with a rivet hole at the diagonal position of the tension chain wheel 1 is formed between two positioning pins 12 driven by a positioning cylinder 11, the positioning pins 12 can be lifted and lowered under the driving of the positioning cylinder 11, and the chain wheel 101 and two side baffle discs 102 thereof are inserted on the positioning pins 12, so that the tension chain wheel is positioned and placed; when the rivet 103 is installed, the rivet feeding device firstly positions and inserts the two rivets 103 into the two rivet holes at the angular position of the tensioning sprocket, after the positioning connection between the sprocket 101 and the two side baffle discs 102 is realized through the two installed rivets 103, the positioning cylinder 11 works to drive the positioning pin 12 to descend, and then the rivet feeding device installs the two rivets 103 into the other two rivet holes at the angular position of the tensioning sprocket, so that the accurate and orderly installation of the rivets 103 is realized.

In order to realize the installation of the workpiece positioning and placing mechanism on the turntable 9, in this embodiment, a placing plate installation opening matched with the positioning placing plate 10 is uniformly formed in the circumferential edge position of the turntable 9, and the positioning placing plate 10 is fixedly installed on the turntable 9 at the placing plate installation opening respectively.

In this embodiment, the positioning placing plate 10 is further provided with a first positioning groove 1001 for positioning and placing the tension sprocket 1, and the first positioning groove 1001 is located between the two positioning pins 12; the first positioning groove 1001 formed in the positioning placing plate 10 can realize positioning placing of the tension sprocket 1, and after the positioning cylinder 11 drives the positioning pin 12 to descend, positioning placing of the tension sprocket in a conveying process from a rivet mounting position to a rivet punching position and from the rivet punching position to a workpiece blanking position is realized.

In this embodiment, the workman carries out the accessory assembly of tension sprocket in accessory assembly position department, places the accessory charging basket on station one side, and during operation, the operation workman inserts one side fender dish 102, sprocket 101, the opposite side fender dish 102 of tension sprocket 1 on locating pin 12 in proper order, alright completion tension sprocket's accessory assembly work.

In this embodiment, 2 one sides of frame are equipped with rivet work or material rest 13, and second supporting legs 14 are all installed to the bottom corner position department of rivet work or material rest 13, and second supporting legs 14 are used for realizing the high fine setting to rivet work or material rest 13, and rivet work or material rest 13 can adopt active grab and 2 fixed connection of frame.

In this embodiment, the rivet feeding device may be a commercially available vibration disc type feeding machine 15, and the vibration disc type feeding machine 15 is fixedly mounted on the rivet frame 13 to realize automatic feeding of the rivets 103.

The rivet feeding device comprises a first electric cylinder 16 fixedly mounted on a rivet rack 13 along the X-axis direction, an electric cylinder auxiliary rail 17 arranged in parallel with the first electric cylinder 16 is further fixedly mounted on the rivet rack 13, a sliding mounting frame 18 is mounted on a sliding plate of the first electric cylinder 16 and the electric cylinder auxiliary rail 17, a second electric cylinder 19 is fixedly mounted on the sliding mounting frame 18 along the Y-axis direction, a sliding mounting seat 20 is fixedly mounted on a sliding plate of the second electric cylinder 19, a third electric cylinder 21 is fixedly mounted on the sliding mounting seat 20 along the Z-axis direction, a sliding mounting plate 22 is fixedly mounted on a sliding plate of the third electric cylinder 21, and a rivet press-in mechanism is arranged on the sliding mounting plate 22; the rivet feeding device can drive the rivet pressing mechanism to realize displacement between the rivet feeding device and the rivet installation position through the coordinated and matched work of the first electric cylinder 16, the second electric cylinder 19 and the third electric cylinder 21.

The rivet pressing mechanism comprises a grabbing head mounting plate 25 which is arranged on the sliding mounting plate 22 in a sliding mode along the vertical direction and driven by a rivet pressing cylinder 26, and a rivet grabbing head 27 is fixedly arranged on the grabbing head mounting plate 25; this rivet mechanism of impressing that is equipped with snatchs first 27 through the rivet and realizes getting of rivet 103 and puts, snatchs rivet 103 to rivet installation position and just to the rivet hole of tension sprocket after, the rivet is impressed cylinder 26 work, and drive rivet snatchs first 27 decline displacements, impresses rivet 103 in the rivet hole of tension sprocket to realize the automatic installation of rivet 103.

In this embodiment, a guide rail 23 is fixedly installed on the sliding installation plate 22 along the vertical direction, a slider 24 is slidably installed on the guide rail 23, a grasping head installation plate 25 is fixedly installed on the slider 24, a rivet pressing cylinder 26 is fixedly installed on the sliding installation plate 22, and the end of a piston shaft of the rivet pressing cylinder 26 is fixedly connected with the grasping head installation plate 25; the sliding installation of the grabbing head installation plate 25 in the vertical direction is realized through the guide rail 23 and the sliding block 24, so that the rivet grabbing head 27 is stably lifted, and the reliable guarantee is provided for the accurate pressing of the rivet 103 in the rivet hole of the tension chain wheel.

The rivet feeding device drives the rivet pressing-in mechanism to move under the coordination of the first electric cylinder 16, the second electric cylinder 19 and the third electric cylinder 21, and after the rivet pressing-in mechanism takes materials from the rivet feeding device, the rivet 103 is grabbed to the rivet mounting position, so that the automatic mounting of the rivet 103 is realized.

Fixed mounting has punching press mounting bracket 28 on frame 2, and the punching press transfer device includes first lift cylinder 29 of fixed mounting on punching press mounting bracket 28, and the piston shaft tip fixed mounting of first lift cylinder 29 has first cylinder mounting panel 30, and fixed mounting has revolving cylinder 31 on the first cylinder mounting panel 30, and fixed mounting has second cylinder mounting panel 32 on revolving stage of revolving cylinder 31, and the first clamping jaw cylinder 33 that is used for realizing that tensioning sprocket 1 snatchs is all installed at the both ends of second cylinder mounting panel 32.

According to the punching and transferring device, after the tensioning chain wheel 1 provided with the rivet 103 is conveyed to a rivet punching position, the first lifting cylinder 29 works to drive the first cylinder mounting plate 30 to descend and reset, then the first clamping jaw cylinders 33 at two ends of the second cylinder mounting plate 32 work to clamp the tensioning chain wheel to be punched on the rotary table 9 and the tensioning chain wheel 1 which is punched on the punching and transferring plate 35 respectively, then the first lifting cylinder 29 works to lift the rotating cylinder 31 and the first clamping jaw cylinders 33, the rotating cylinder 31 works to drive the second cylinder mounting plate 32 to rotate 180 degrees, the tensioning chain wheel to be punched and the tensioning chain wheel 1 which is punched are adjusted, after the tensioning chain wheel 1 to be punched and punched is adjusted in position, the first lifting cylinder 29 works to re-drive the first cylinder mounting plate 30 to descend and reset, the first clamping jaw cylinders 33 release the clamping state of the tensioning chain wheel 1, the tensioning chain wheel 1 which is punched is placed on the rotary table 9, the tensioning chain wheel to be punched and the punching and transferring device is placed on the punching and transferring plate 35, the first clamping jaw cylinders 33 repeatedly lift the tensioning chain wheel 1 and the punching and transferring device, and the rivet transferring device.

Rivet stamping device includes the punching press support body 34 of fixed mounting on punching press mounting bracket 28, the bottom of punching press support body 34 is equipped with punching press chopping block 35, offer the second constant head tank 3501 that is used for realizing that tensioning sprocket 1 location is placed on punching press chopping block 35, punching press chopping block 35 is when realizing that tensioning sprocket 1 location is placed, the realization is to tensioning sprocket 1's bearing when adding the punching press to tensioning sprocket 1 man-hour, still install punching press cylinder 36 driven clamp plate 37 on punching press support body 34, the bottom fixed mounting of clamp plate 37 has the clamping ring 38 that corresponds the setting with second constant head tank 3501.

This rivet stamping device that is equipped with, set up some second constant head tanks 3501 on the punching press chopping block 35 and can realize that tensioning sprocket 1's location is placed, tensioning sprocket 1 location is placed the back, punching press cylinder 36 is worked, drive clamp plate 37 descends, realize the punching press to rivet 103 through clamping ring 38, and the clamping ring 38 structure that is equipped with, when realizing dodging the fender dish 102 of tensioning sprocket 1, corresponding with each rivet 103 of installation on the tensioning material wheel, under the drive of punching press cylinder 36, can once accomplish the punching press of all rivets 103 on tensioning sprocket 1, make the punching press operation to tensioning sprocket 1 high-efficient orderly.

Fixed mounting has fixed plate 39 on the punching press support body 34, there is first cylinder mount pad 40 along vertical direction slidable mounting on the fixed plate 39, the top fixed mounting of fixed plate 39 has kicking block 41, rotate on the kicking block 41 and install adjusting screw 42, adjusting screw 42's screw thread end runs through kicking block 41, and with 40 threaded connection of first cylinder mount pad, punching press cylinder 36 fixed mounting is on first cylinder mount pad 40, and punching press cylinder 36's piston shaft runs through first cylinder mount pad 40, and with clamp plate 37 fixed connection.

In this embodiment, a T-shaped chute is formed in the fixing plate 39 in the vertical direction, the first cylinder mounting seat 40 is mounted on the fixing plate 39 by using a locking bolt and a locking nut, the locking bolt and the locking nut are loosened, the adjusting screw 42 is rotated, fine adjustment of the height of the punching cylinder 36 can be realized, fine adjustment of the punching stroke of the pressing ring 38 is realized by fine adjustment of the height of the punching cylinder 36, it is ensured that punching damage cannot be caused to the tension sprocket 1 while effective punching of the rivet 103 is realized, further, the punching quality of the tension sprocket 1 is ensured, after the adjustment is completed, the locking bolt and the locking nut are screwed again, and positioning fixation of the current height adjustment of the punching cylinder 36 can be realized.

The workpiece taking device comprises an electric cylinder mounting plate 43 fixedly mounted on the frame 2, a fourth electric cylinder 44 is fixedly mounted on the electric cylinder mounting plate 43 along the X-axis direction, a second cylinder mounting seat 45 is fixedly mounted on a sliding plate of the fourth electric cylinder 44, a second lifting cylinder 46 is fixedly mounted on the second cylinder mounting seat 45, a third cylinder mounting plate 47 is fixedly mounted at the end part of a piston shaft of the second lifting cylinder 46, and a second clamping jaw cylinder 48 used for realizing the grabbing of the tension sprocket 1 is fixedly mounted at one end, close to the rotary table 9, of the third cylinder mounting plate 47.

According to the workpiece taking device, after the tension sprocket 1 which is subjected to stamping processing is conveyed to a workpiece discharging position, the second lifting cylinder 46 works to drive the third cylinder mounting plate 47 to descend, then the second clamping jaw cylinder 48 works to clamp the tension sprocket 1, then the second lifting cylinder 46 works to drive the third cylinder mounting plate 47 to ascend and reset, the second clamping jaw cylinder 48 which is clamped with the tension sprocket 1 is lifted, finally, the fourth electric cylinder 44 works to transfer the tension sprocket 1 and transfer the tension sprocket 1 to the next process, so that automatic and orderly discharging of the tension sprocket 1 is realized, and after discharging is finished, the turntable 9 conveys a workpiece positioning and placing mechanism after discharging to an accessory assembling position, so that the assembling period of the tension sprocket 1 is finished.

In this embodiment, a control box 49 is further installed on the frame 2, a controller is arranged in the control box 49, a control button convenient for an operator to operate is arranged on the control box 49, and the controller controls the turntable driving motor 5, the first electric cylinder 16, the second electric cylinder 19, the third electric cylinder 21, the rivet pressing cylinder 26, the first lifting cylinder 29, the rotating cylinder 31, the first clamping jaw cylinder 33, the stamping cylinder 36, the fourth electric cylinder 44, the second lifting cylinder 46 and the second clamping jaw cylinder 48 to cooperatively work, so that rivet installation and stamping of the tension sprocket are completed, automatic blanking of the tension sprocket 1 after assembly is completed, and automatic assembly production of the tension sprocket 1 is realized.

The automatic rivet assembly line for the production of the tension sprocket wheel based on the structure is characterized in that a workpiece is positioned on a workpiece positioning and placing mechanism of a rotary table 9, the rotary table 9 intermittently rotates under the driving of a driving device, so that the intermittent conveying of the workpiece is realized, after the feeding and positioning assembly of a sprocket wheel 101 and two side baffle discs 102 of the tension sprocket wheel is completed at an accessory assembling position, the workpiece is conveyed to a rivet installing position by the rotary table 9, the sequential installation of rivets 103 is completed through the matching of a rivet feeding device and a rivet feeding device, after the rivets 103 are installed, the tension sprocket wheel is conveyed to a rivet punching position by the rotary table 9, the punching of the rivets 103 is completed through the matching of a punching and conveying device and a rivet punching device, finally, the rotary table 9 conveys the tension sprocket wheel 1 to a workpiece discharging position, and the assembled tension sprocket wheel 1 is transferred to the next process by the workpiece taking device, so that the automatic assembly production of the tension sprocket wheel is realized; and after the workpiece is processed at one station, the next workpiece automatically enters the current station while being conveyed to the next station, so that the rivet assembling work of the tension chain wheel is efficient and orderly.

Through this automatic rivet assembly line for tensioning sprocket production, can realize rivet 103's automation installation and punching press of impressing to realize tensioning sprocket's automatic assembly production, not only degree of automation is high, and the assembly is accurate reliable, and the assembly is high-efficient orderly, has improved tensioning sprocket's rivet assembly efficiency greatly, can satisfy the production demand of automatic assembly line of tensioning sprocket.

Example two

As shown in fig. 1 and fig. 3 to fig. 12, the present embodiment has the same structure as the embodiment, except that in the present embodiment, an accessory feeding device is disposed at the accessory assembling position, and the sprocket 101 and the two side blocking discs 102 thereof are positioned and inserted on the workpiece positioning and placing mechanism by the accessory feeding device, so as to assemble the accessories; compared with the manual work mode of positioning and assembling the accessories, the automatic riveting machine has the advantages that the efficient and orderly assembling work of the accessories of the tension chain wheel 1 is realized while the manual labor force is effectively replaced, the subsequent rivet installation and stamping are prevented from being influenced when the accessories are inserted wrongly or assembled untimely, and the production efficiency and the production quality of the tension chain wheel can be greatly improved.

In this embodiment, the accessory feeding device includes an accessory feeding frame 50 fixedly mounted on the frame 2, a reciprocating sliding cylinder 52 driven by an accessory feeding motor 51 is slidably mounted on the top of the accessory feeding frame 50 along the Y-axis direction, a third clamping jaw cylinder 53 is fixedly mounted at the end of a piston shaft of the reciprocating sliding cylinder 52, and a clamping rod 54 for clamping the chain wheel 101 or the catch tray 102 is fixedly mounted on a clamping jaw of the third clamping jaw cylinder 53; during operation, the clamping rod 54 driven by the third clamping jaw air cylinder 53 realizes the grabbing of the chain wheel 101 and the baffle disc 102, after the accessories are grabbed, the reciprocating sliding air cylinder 52 lifts the accessories, after the accessories are lifted, the accessories are driven by the accessory feeding motor 51 to realize displacement, and the accessories are sequentially inserted on the positioning pin 12 of the workpiece positioning and placing mechanism.

It will be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should also be understood that various alterations, modifications and/or variations can be made to the present invention by those skilled in the art after reading the technical content of the present invention, and all such equivalents fall within the protective scope defined by the claims of the present application.

Claims (10)

1. The utility model provides a tensioning sprocket production is with rivet automatic assembly line which characterized in that: the automatic positioning device comprises a rack, wherein a turntable driven by a driving device is rotatably arranged on the rack, and a plurality of workpiece positioning and placing mechanisms are uniformly arranged on the circumferential edge of the turntable;

the workpiece positioning and placing mechanism comprises a positioning and placing plate fixedly arranged on the turntable, a positioning cylinder is fixedly arranged at the bottom of the positioning and placing plate, two positioning pins used for positioning a tensioning chain wheel are fixedly arranged at the end part of a piston rod of the positioning cylinder, an interval matched with a rivet hole at an angular position of the tensioning chain wheel is formed between the two positioning pins, through holes which are respectively arranged corresponding to the positioning pins and used for the positioning pins to movably penetrate are formed in the positioning and placing plate, and the positioning pins penetrate through the positioning and placing plate through the through holes when in a positioning state;

the periphery of carousel is equipped with accessory assembly position, rivet installation position, rivet punching press position and work piece unloading position in proper order along its direction of rotation, and accessory assembly position, rivet installation position, rivet punching press position and work piece unloading position center on carousel evenly distributed sets up, rivet installation position department is equipped with rivet loading attachment, rivet loading attachment's upper reaches correspondence is equipped with rivet feedway, rivet punching press position department is equipped with punching press transfer device, punching press transfer device's low reaches correspondence is equipped with rivet punching press device, work piece unloading position department is equipped with work piece extracting device.

2. An automatic assembly line of rivets for the production of tension sprockets according to claim 1, characterized in that: the driving device comprises a turntable driving motor fixedly installed on the rack workbench, a driving belt wheel is installed on an output shaft of the turntable driving motor, a driven belt wheel is installed on a supporting shaft of the turntable, a synchronous belt is wound between the driving belt wheel and the driven belt wheel, and the driving belt wheel and the driven belt wheel are connected in a transmission mode through the synchronous belt.

3. An automatic assembly line of rivets for the production of tension sprockets as recited in claim 2, characterized in that: the four workpiece positioning and placing mechanisms are respectively distributed at the peripheral edge positions of the rotary table.

4. An automatic assembly line for rivets to be produced for tension sprockets as recited in claim 3, characterized in that: the circumferential edge position of the turntable is uniformly provided with placing plate mounting openings matched with the positioning placing plates, and the positioning placing plates are fixedly mounted on the turntable at the placing plate mounting openings respectively;

still offer the first locating slot that is used for realizing that tensioning sprocket location is placed on the board is placed in the location, first locating slot is located two between the locating pin.

5. An automatic assembly line for rivets to be produced for tension sprockets as recited in claim 4, wherein: a rivet rack is arranged on one side of the rack, the rivet feeding device is a vibration disc type feeding machine, and the vibration disc type feeding machine is fixedly arranged on the rivet rack;

rivet loading attachment include along X axle direction fixed mounting in first electric jar on the rivet work or material rest, on the rivet work or material rest still fixed mounting have with first electric jar parallel arrangement's electric jar accessory rail, first electric jar with install the mounting bracket that slides on the slide of electric jar accessory rail, it has the second electric jar to slide along Y axle direction fixed mounting on the mounting bracket, fixed mounting has the mount pad that slides on the slide of second electric jar, it has the third electric jar to slide along Z axle direction fixed mounting on the mount pad, fixed mounting has the mounting panel that slides on the slide of third electric jar, be equipped with the rivet mechanism of impressing on the mounting panel that slides.

6. An automatic assembly line for rivets to be produced for tension sprockets as recited in claim 5, wherein: the rivet pressing mechanism comprises a grabbing head mounting plate which is arranged on the sliding mounting plate in a sliding mode along the vertical direction and driven by a rivet pressing cylinder, and a rivet grabbing head is fixedly arranged on the grabbing head mounting plate.

7. An automatic assembly line for rivets to be produced for tension sprockets as recited in claim 6, wherein: fixed mounting has the punching press mounting bracket in the frame, the punching press transfer device include fixed mounting in first lift cylinder on the punching press mounting bracket, the piston shaft tip fixed mounting of first lift cylinder has first cylinder mounting panel, fixed mounting has revolving cylinder on the first cylinder mounting panel, fixed mounting has second cylinder mounting panel on revolving stage of revolving cylinder, the first clamping jaw cylinder that is used for realizing that tension sprocket snatchs is all installed at the both ends of second cylinder mounting panel.

8. An automatic assembly line of rivets for the production of tension sprockets as recited in claim 7, characterized in that: rivet stamping device include fixed mounting in punching press support body on the punching press mounting bracket, the bottom of punching press support body is equipped with the punching press chopping block, set up the second constant head tank that is used for realizing that the tensioning sprocket location was placed on the punching press chopping block, still install punching press cylinder driven clamp plate on the punching press support body, the bottom fixed mounting of clamp plate have with the second constant head tank corresponds the clamping ring that sets up.

9. An automatic assembly line for rivets to be produced for tension sprockets as recited in claim 8, wherein: fixed mounting has the fixed plate on the punching press support body, there is first cylinder mount pad along vertical direction slidable mounting on the fixed plate, the top fixed mounting of fixed plate has the kicking block, rotate on the kicking block and install adjusting screw, adjusting screw's screw thread end runs through the kicking block and with first cylinder mount pad threaded connection, punching press cylinder fixed mounting in on the first cylinder mount pad, just the piston shaft of punching press cylinder runs through first cylinder mount pad and with clamp plate fixed connection.

10. An automatic assembly line for rivets for manufacturing tension sprockets as claimed in any one of claims 1 to 9, characterized in that: work piece extracting device include fixed mounting in electricity jar mounting panel in the frame, there is the fourth electricity jar along X axle direction fixed mounting on the electricity jar mounting panel, fixed mounting has second cylinder mount pad on the slide of fourth electricity jar, fixed mounting has second lift cylinder on the second cylinder mount pad, the piston shaft tip fixed mounting of second lift cylinder has third cylinder mounting panel, third cylinder mounting panel is close to the one end fixed mounting of carousel has the second clamping jaw cylinder that is used for realizing that the tension sprocket snatchs.

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