CN108747330B - Bolt press-fitting machine - Google Patents
Bolt press-fitting machine Download PDFInfo
- Publication number
- CN108747330B CN108747330B CN201810845873.0A CN201810845873A CN108747330B CN 108747330 B CN108747330 B CN 108747330B CN 201810845873 A CN201810845873 A CN 201810845873A CN 108747330 B CN108747330 B CN 108747330B
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- Prior art keywords
- bolt
- moving block
- moving
- clamping jaw
- blanking
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- 238000003825 pressing Methods 0.000 claims abstract description 47
- 210000000078 claw Anatomy 0.000 claims description 44
- 230000002950 deficient Effects 0.000 claims description 27
- 238000003860 storage Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 8
- 238000006073 displacement reaction Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000009826 distribution Methods 0.000 claims description 3
- 208000033985 Device component issue Diseases 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/001—Article feeders for assembling machines
- B23P19/004—Feeding the articles from hoppers to machines or dispensers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/10—Aligning parts to be fitted together
- B23P19/102—Aligning parts to be fitted together using remote centre compliance devices
- B23P19/105—Aligning parts to be fitted together using remote centre compliance devices using sensing means
Abstract
The invention relates to a bolt press-fitting machine, which comprises a machine case, wherein a feeding station, a bolt-fitting station, a bolt-pressing station and a blanking station are sequentially arranged on the machine case; the machine case is also provided with a material moving mechanism for moving the disc-shaped workpiece from the previous station to the next station; the invention has the beneficial effects that: the press mounting of the bolts on the most disc-shaped workpieces can be realized fully automatically, the press mounting speed is high, and the production efficiency is greatly improved.
Description
Technical Field
The invention relates to a bolt press-fitting machine, in particular to a bolt press-fitting machine for disc-shaped workpieces.
Background
The bolt press-mounting on the disc-shaped workpiece in the prior art is generally carried out by adopting manual press-mounting, and the manual press-mounting mode is low in efficiency, so that the workload is greatly increased.
Disclosure of Invention
In order to overcome the defect of low bolt press-mounting speed in the prior art, the invention provides a bolt press-mounting machine.
The technical scheme for solving the technical problems is as follows: the bolt press-fitting machine comprises a machine case, wherein a feeding station, a bolt loading station, a bolt pressing station and a discharging station are sequentially arranged on the machine case; the machine case is also provided with a material moving mechanism for moving the disc-shaped workpiece from the previous station to the next station;
the feeding station comprises a disc-shaped workpiece storage device, a feeding base fixed on the chassis and a material taking manipulator for moving the disc-shaped workpiece from the disc-shaped workpiece storage device to the feeding base;
the optimal design of the disc-shaped workpiece storage device comprises a feed box, wherein a rotary tray is rotatably arranged on the feed box, a plurality of material levels are arranged at the edges of the rotary tray, and upright material rods are arranged on the material levels; a material tray is arranged on the material rod in a penetrating way, and a disc-shaped workpiece is arranged above the material tray in a penetrating way on the material rod; the lower end of the rotating tray is provided with a step ratchet wheel, the step ratchet wheel is driven to rotate step by a poking wheel, and the poking wheel is connected to a step ratchet wheel driving motor; the feed box is also provided with a chain wheel stand, a driven chain wheel is arranged above the chain wheel stand, a driving chain wheel driven by a chain wheel driving motor is arranged below the chain wheel stand, and a transmission chain is arranged between the driving chain wheel and the driven chain wheel; a vertical material lifting guide rail is arranged between the front side of the vertical frame and the material rotating disc, a material lifting fork frame is movably arranged on the material lifting guide rail, the material lifting fork frame is inserted below the material rotating disc, and the material lifting fork frame is connected up and down by a transmission chain; the lifting fork frame has the function that when the material taking manipulator takes off one disc-shaped workpiece, the lifting fork frame drives the material disc to ascend to a compensation position, so that the material taking manipulator can take off the material disc next time.
The optimal design of the material taking manipulator comprises a material taking vertical frame positioned between a material loading base and a disc-shaped workpiece storage device, wherein a material taking horizontal guide rail is arranged on the material taking vertical frame, a material taking horizontal workbench is transversely arranged on the material taking horizontal guide rail, a material taking vertical guide rail is arranged below the material taking horizontal workbench, a material taking vertical workbench is arranged on the material taking vertical guide rail in a sliding manner, and a material taking mechanical claw which is clamped by a material taking cylinder in a driving manner is arranged below the material taking vertical workbench;
the bolt loading station comprises a bolt feeding channel connected with a bolt feeding device, a bolt loading base capable of transversely moving and a bolt transferring manipulator for transferring bolts; the bolt transfer manipulator is a manipulator with two-finger mechanical clamping claws arranged at the top ends of two degrees of freedom;
the bolt feeding channel comprises a material cavity for only accommodating single bolt rods to pass through and guard edges positioned at two sides of the material cavity, the bolt heads are hung on the guard edges when the bolts pass through the material cavity in a row, a bolt lifting bracket is arranged at the tail end of the bolt feeding channel and is slidably arranged on a bolt lifting bracket guide rail, and a bolt lifting bracket lifting cylinder for driving the bolt lifting bracket guide rail to ascend is arranged below the bolt lifting bracket;
the bolt-mounting base is rotatably arranged on a bolt-mounting station moving table, the bolt-mounting station moving table is arranged on a transverse sliding rail of the bolt-mounting station moving table in a sliding manner, and the bolt-mounting station moving table is driven by a bolt-mounting station moving table driving cylinder to transversely move; the bolt mounting base is driven by a bolt mounting base driving motor to rotate;
the disc-shaped workpiece is placed in the bolt mounting base, and the bolt transferring manipulator clamps and transfers the bolts positioned on the bolt mounting base into the bolt holes on the disc-shaped workpiece;
the detection function of a bolt is increased to remove defective bolts, and a thread detection mechanism and a defective bolt removing mechanism are arranged on the bolt feeding channel;
the thread detection mechanism comprises a comparison seat with a comparison guide rail; the left moving block and the right moving block are slidably arranged on the comparison guide rail and can be mutually folded or separated by being connected by a moving block driving device; the left moving block is provided with a transverse guide pillar, the transverse guide pillar is provided with a comparison block in a sliding manner, a reset spring is arranged between the comparison block and the left moving block, and the left moving block is also provided with a position sensor for detecting the position displacement of the comparison block; the device comprises a right moving block, a left moving block and a right moving block, wherein the right moving block is provided with a clamping claw, the clamping claw and the left moving block are driven by a moving block driving device to clamp a bolt to be detected, and threads of the comparing bolt are propped against the bolt to be detected;
the lower side of the screw to be detected below the screw feeding channel is also provided with a lifting cylinder, the upper end of the lifting cylinder is provided with a lifting center, and the lifting center rises to prop against the screw to be detected;
the defective bolt removing mechanism comprises a blanking channel positioned on the edge of a bolt feeding channel, and a blanking push rod for pushing defective bolts into the blanking channel is arranged on the edge of the bolt feeding channel; the screw thread of the bolt to be detected is the same as that of the comparison bolt; the blanking push rod of the defective bolt removing mechanism is positioned at the lower side of the bolt feeding channel, and the blanking push rod pushes out the bolts upwards; the upper side of the bolt feeding channel corresponding to the position of the blanking push rod is provided with a steering contact piece bent to the blanking channel; the head of the defective bolt can change direction to the discharging channel when meeting the turning contact piece and fall into the discharging channel;
the method for realizing the defective bolt removing mechanism comprises the following steps that after a bolt feeding channel is connected to a bolt feeding mechanism, a bolt advances in a stepping state, when the bolt is positioned on a thread detecting mechanism, a movable block driving device drives a clamping claw and a comparison block to clamp the bolt to be detected left and right, threads of the comparison bolt on the comparison block are aligned with the threads of the bolt to be detected and are tightly close together, then a top is lifted to lift the bolt to be detected, so that the comparison block with the comparison screw rod reciprocates along a transverse guide post to generate a displacement path with a tooth grain diameter, a position sensor positioned on the left movable block records the displacement path, a host computer connected with the position sensor calculates whether the threads are in a standard fit or not, if the threads are not in the standard fit, the threads are marked as defective, and the bolt enters the defective bolt removing mechanism and is sent into a discharging channel to be removed.
The comparison bolt consistent with the standard bolt is adopted to perform comparison with the bolt to be detected, and when the bolt to be detected is a defective bolt with inconsistent threads or defective threads, the position sensor can generate an irregular track, so that the product is judged to be defective.
The driving end of the bolt-mounting base driving motor is in transmission connection with the bolt-mounting base through a transmission belt to drive the bolt-mounting base driving motor to rotate;
the bolt pressing station comprises a bolt pressing base and a pressing mechanism which are rotatably arranged on a bolt pressing station moving table,
the bolt pressing station moving table is arranged on a transverse sliding rail of the bolt pressing station moving table in a sliding manner, and the bolt pressing station moving table is driven by a bolt pressing station moving table to drive an air cylinder to drive the air cylinder to transversely move; the pressing bolt base is driven by a pressing bolt base driving motor to rotate;
the press-mounting mechanism comprises a press-mounting frame arranged on the chassis and a press-mounting driving device arranged on the press-mounting frame, wherein the lower end of the press-mounting driving device is provided with a movable press-mounting head, and the press-mounting head is provided with a downward riveting bolt; the press-fit driving device can be a motor or a cylinder hydraulic cylinder;
the pressing mechanism further comprises a center positioning rod driving cylinder arranged on the pressing frame, wherein the lower end of the center positioning rod driving cylinder is provided with a lifting center positioning rod, and the center positioning rod is inserted into the center of the disc-shaped workpiece in a descending mode;
the blanking station comprises a blanking base arranged on the chassis and a blanking manipulator which is arranged on one side of the blanking base and used for blanking disc-shaped workpieces on the blanking base;
the optimal design of the material shifting mechanism comprises a transverse moving guide rail arranged on a chassis, wherein a transverse moving table and a transverse moving table driving cylinder for driving the transverse moving table are arranged on the transverse moving guide rail, a material shifting lifting cylinder and a lifting vertical rail are arranged on the transverse moving table, a material shifting table capable of ascending and descending is arranged on the lifting vertical rail in a sliding manner, and the movable end of the material shifting lifting cylinder is connected to the material shifting table; the material moving table is provided with a material moving guide rail arranged along the distribution direction of the stations, and the material moving guide rail is provided with a left clamping jaw group and a right clamping jaw group which form a plurality of clamping jaws in a sliding manner; the left clamping jaw set and the right clamping jaw set are connected to the clamping cylinder so that the clamping jaws are clamped or separated, and one of the left clamping jaw set and the right clamping jaw set is connected to a clamping jaw set moving cylinder so that the clamping jaws can move left and right.
The left clamping jaw set comprises a first left clamping jaw, a second left clamping jaw and a third left clamping jaw, wherein a first left clamping jaw moving block is arranged at the rear end of the first left clamping jaw, a second left clamping jaw moving block is arranged at the rear end of the second left clamping jaw, a third left clamping jaw moving block is arranged at the rear end of the third left clamping jaw, and the first left clamping jaw moving block, the second left clamping jaw moving block and the third left clamping jaw moving block are fixedly connected together and are arranged on a material moving guide rail in a sliding manner;
the right clamping jaw set comprises a first right clamping jaw, a second right clamping jaw and a third right clamping jaw which are connected together; the rear end of the first right clamping jaw is provided with a first right clamping jaw moving block, the rear end of the second right clamping jaw is provided with a second right clamping jaw moving block, the rear end of the third right clamping jaw is provided with a third right clamping jaw moving block, and the first right clamping jaw moving block, the second right clamping jaw moving block and the third right clamping jaw moving block are fixedly connected together and are arranged on a material moving guide rail in a sliding way;
the first left and right clamping claws are used for transferring disc-shaped workpieces between a feeding station and a bolting station, the second left and right clamping claws are used for transferring disc-shaped workpieces between a bolting station and a bolting station, and the third left and right clamping claws are used for transferring disc-shaped workpieces between a bolting station and a blanking station;
the gripper jaw set moving cylinder is connected to the third left gripper jaw moving block.
Further, the first left clamping claw moving block, the second left clamping claw moving block and the third left clamping claw moving block are fixedly connected together in a mode that the first left clamping claw moving block, the second left clamping claw moving block and the third left clamping claw moving block are connected to the connecting rod through threaded pieces;
the first right clamping claw moving block, the second right clamping claw moving block and the third right clamping claw moving block are fixedly connected together in a mode that the first right clamping claw moving block, the second right clamping claw moving block and the third right clamping claw moving block are connected to the connecting rod through threaded pieces;
the utility model provides an optimal design of unloading gripper, unloading manipulator includes a unloading grudging post that is located unloading base limit, be equipped with unloading horizontal guide rail on the unloading grudging post, transversely be equipped with unloading horizontal workstation on the unloading horizontal guide rail, unloading horizontal workstation below is equipped with unloading vertical guide rail, unloading vertical guide rail is gone up to slide and is equipped with an unloading vertical workstation, unloading vertical workstation below is equipped with an unloading cylinder drive clamping's unloading gripper.
When the feeding device is used, disc-shaped workpieces are stacked on a disc-shaped workpiece storage device, and then a material taking manipulator can take off and transfer the uppermost disc-shaped workpiece positioned at the material level closest to one side of the material taking machine to a feeding base; then the material moving mechanism lifts and removes the disc-shaped workpiece, the disc-shaped workpiece is transferred onto a bolt mounting base of a bolt mounting station, the bolt mounting station moving table drives the bolt base to transversely move to the right, then a bolt at the tail end of a bolt feeding channel enters a bolt lifting bracket to be lifted, a bolt transferring manipulator removes the bolt and inserts the bolt into a bolt hole of the disc-shaped workpiece, then a bolt mounting base driving motor drives the bolt mounting base to rotate, the bolt transferring manipulator continuously works to fill the bolt hole on the disc-shaped workpiece, then the bolt mounting station moving table transversely moves to reset, the material moving mechanism transfers the disc-shaped workpiece onto a bolt pressing base on a bolt pressing station, the bolt station moving table transversely moves to enable the disc-shaped workpiece to be located below a pressing machine, a center positioning rod is inserted into the center of the disc-shaped workpiece, the pressing head of the pressing driving device downwards presses the bolt to the right, the bolt mounting base driving motor rotates, the pressing mechanism repeatedly works to press all bolts on the disc-shaped workpiece to the right, then the bolt mounting station moving table transversely moves to reset, the material moving mechanism transfers the disc-shaped workpiece onto a blanking base, and the disc-shaped workpiece after the pressing of the bolt is removed to realize one cycle.
The invention has the beneficial effects that: 1. the press mounting of the bolts on the most disc-shaped workpieces can be realized fully automatically, the press mounting speed is high, and the production efficiency is greatly improved. 2. The automatic defective product detection device has the function of detecting the fed bolts, and reduces the defective rate in production.
Drawings
Fig. 1 is a schematic diagram of a switchboard according to the present invention.
Fig. 2 is another schematic diagram of the switchboard according to the present invention.
Fig. 3 is a schematic view of a disc-shaped workpiece storage device of the present invention.
Fig. 4 is a schematic view of a disc-shaped workpiece storage device in another direction of the invention.
Fig. 5 is a schematic view of the attachment structure of the bolt feed passage of the present invention.
Fig. 6 is a schematic view of an attachment structure of a bolt feed passage according to another aspect of the invention.
Fig. 7 is a schematic view of the four stations of the present invention.
Fig. 8 is an enlarged schematic view of the structure of the bolt lifting bracket of the present invention.
Fig. 9 is a schematic view of a transfer mechanism of the present invention.
Detailed Description
The invention is described in further detail below with reference to the embodiments of the drawings.
Referring to fig. 1 to 9, a bolt press-fitting machine comprises a machine case 1, wherein a feeding station 2, a bolt mounting station 3, a bolt pressing station 4 and a blanking station 5 are sequentially arranged on the machine case 1; the machine case 1 is also provided with a material moving mechanism 6 for moving the disc-shaped workpiece from the previous station to the next station;
the feeding station 2 comprises a disc-shaped workpiece storage device 7, a feeding base 8 fixed on the case 1, and a material taking manipulator 10 for moving a disc-shaped workpiece 9 from the disc-shaped workpiece storage device 7 to the feeding base 8;
the optimal design of the disc-shaped workpiece storage device 7 is that the disc-shaped workpiece storage device 7 comprises a feed box 11, a rotary tray 12 is rotatably arranged on the feed box 11, a plurality of material levels are arranged at the edge of the rotary tray 12, and upright material rods 13 are arranged on the material levels; a material tray 14 is arranged on the material rod 13 in a penetrating way, and the disc-shaped workpiece 9 is arranged above the material tray 14 on the material rod 13 in a penetrating way; the lower end of the rotary tray 12 is provided with a step ratchet 15, the step ratchet 15 is driven to rotate step by a poking wheel, and the poking wheel is connected to a step ratchet driving motor 16; the feed box 11 is also provided with a chain wheel stand 17, a driven chain wheel 18 is arranged above the chain wheel stand 17, a driving chain wheel 20 driven by a chain wheel driving motor 19 is arranged below the chain wheel stand 17, and a transmission chain 21 is arranged between the driving chain wheel 20 and the driven chain wheel 18; a vertical material lifting guide rail 22 is arranged between the front side of the vertical frame 17 and the material rotating disc 12, a material lifting fork frame 23 is movably arranged on the material lifting guide rail 22, the material lifting fork frame 23 is inserted below the material rotating disc 14, and the material lifting fork frame 23 is connected with the upper and lower sides by a transmission chain 21; the lifting fork 23 has the function that when the material taking manipulator 10 takes off one disc-shaped workpiece 9, the lifting fork 23 drives the material disc 14 to rise to a compensation position, so that the material taking manipulator 10 can take off the workpiece next time.
The optimal design of the material taking manipulator 10 is that the material taking manipulator 10 comprises a material taking vertical frame 17 positioned between a material loading base 8 and a disc-shaped workpiece storage device 7, a material taking horizontal guide rail 24 is arranged on the material taking vertical frame 17, a material taking horizontal workbench 25 is transversely arranged on the material taking horizontal guide rail 24, a material taking vertical guide rail 26 is arranged below the material taking horizontal workbench 25, a material taking vertical workbench 27 is arranged on the material taking vertical guide rail 26 in a sliding manner, and a material taking mechanical claw 29 which is clamped by a material taking cylinder 28 is arranged below the material taking vertical workbench 27;
the bolt loading station 3 comprises a bolt feeding channel 31 connected with a bolt feeding device, a bolt loading base 32 capable of transversely moving and a bolt transferring manipulator 33 for transferring bolts; the bolt transferring manipulator 33 is a manipulator with two-finger mechanical clamping claws 34 arranged at the top ends of two degrees of freedom;
the bolt feeding channel 31 comprises a material cavity 35 for only accommodating single bolt rods to pass through and guard edges 36 positioned on two sides of the material cavity 35, bolts are hung on the guard edges 36 when passing through the material cavity 35 in rows, a bolt lifting bracket 37 is arranged at the tail end of the bolt feeding channel 31, the bolt lifting bracket 37 is slidably arranged on a bolt lifting bracket guide rail 38, and a bolt lifting bracket lifting cylinder 39 for driving the bolt lifting bracket guide rail 38 to ascend is arranged below the bolt lifting bracket 37;
the bolt-mounting base 32 is rotatably arranged on a bolt-mounting station moving table 40, the bolt-mounting station moving table 40 is slidably arranged on a bolt-mounting station moving table transverse sliding rail 41, and the bolt-mounting station moving table 40 is driven to transversely move by a bolt-mounting station moving table driving cylinder 42; the bolt mounting base 32 is driven to rotate by a bolt mounting base driving motor 43;
the disc-shaped workpiece 9 is placed in the bolt mounting base 32, and the bolt clamping and transferring manipulator 33 clamps and transfers the bolts positioned on the bolt mounting base 32 into the bolt holes on the disc-shaped workpiece 9;
a screw thread detection mechanism 44 and a defective screw bolt removing mechanism 45 are arranged on the screw bolt feeding channel 31;
the thread detection mechanism 44 includes an alignment seat with an alignment guide 46; the alignment guide rail 46 is provided with a left moving block 48 and a right moving block 49 in a sliding manner, and the left moving block 48 and the right moving block 49 are connected by a moving block driving device 55 and can be mutually folded or separated; the left moving block 48 is provided with a transverse guide post 50, the transverse guide post 50 is provided with a comparison block 51 in a sliding manner, a reset spring is arranged between the comparison block 51 and the left moving block 48, and the left moving block 48 is also provided with a position sensor 52 for detecting the position displacement of the comparison block 51; the comparison block 51 is provided with a comparison bolt 53, the right moving block 49 is provided with a clamping claw, the moving block driving device 55 drives the clamping claw and the comparison block 51 to clamp the bolt 56 to be detected left and right, and the threads of the comparison bolt 53 are propped against the bolt 56 to be detected; the moving block driving device 55 is a screw motor or an air cylinder driving structure;
the lower side of the screw to be detected below the screw feeding channel 31 is also provided with a lifting cylinder 57, the upper end of the lifting cylinder 57 is provided with a lifting tip 58, and the lifting tip 58 rises to prop up the screw to be detected 56;
the defective bolt removing mechanism 45 comprises a blanking channel 59 positioned on the edge of the bolt feeding channel 31, and a blanking push rod 60 for pushing defective bolts into the blanking channel 59 is arranged on the edge of the bolt feeding channel 31; the screw thread of the bolt 56 to be detected is the same as that of the comparison bolt 53; the blanking push rod 60 of the defective bolt removing mechanism 45 is positioned at the lower side of the bolt feeding channel 31, and the blanking push rod 60 pushes out the bolts upwards; the upper side of the bolt feeding channel 31 corresponding to the position of the blanking push rod 60 is provided with a steering contact piece 61 bent to the blanking channel 59; the head of the defective bolt can be turned to the blanking channel 59 when meeting the turning contact piece 61 and falls into the blanking channel 59;
the inferior quality bolt removing mechanism is realized by the following steps that after a bolt feeding channel 31 is connected to a bolt feeding mechanism, a bolt advances in a stepping state, when the bolt is positioned on a thread detecting mechanism 44, a moving block driving device 55 drives a clamping claw and a comparing block 51 to clamp the bolt to be detected left and right, threads of a comparing bolt 53 on the comparing block 51 are aligned with threads of the bolt to be detected and are tightly close together, then a lifting center 58 is lifted to drive the bolt to be detected to lift, so that the comparing block 51 with a comparing screw rod reciprocates along a transverse guide post 50 to generate a displacement path with a tooth grain diameter, a position sensor 52 positioned on a left moving block 48 records the displacement path, a host computer connected with the position sensor 52 calculates whether the threads are in a standard or not, if the threads are not in a standard, the threads are marked as inferior quality, and the bolt enters the inferior quality bolt removing mechanism 45 to be sent into a blanking channel 59 for removing.
The comparison bolt 53 which is consistent with the standard bolt is adopted to perform comparison with the bolt to be detected, and when the bolt to be detected is a defective bolt with inconsistent threads or defective threads, the position sensor 52 can generate an irregular track, so that the product is judged to be defective.
An optimization, wherein the bolt-mounting base driving motor 43 is positioned at the other side of the bolt-mounting station moving table 40, and the driving end of the bolt-mounting base driving motor 43 is in transmission connection with the bolt-mounting base 32 through a transmission belt to drive the bolt-mounting base to rotate;
the bolt pressing station 4 comprises a bolt pressing base 63 and a pressing mechanism 64 which are rotatably arranged on a bolt pressing station moving table 62;
the bolt pressing station moving table 62 is arranged on a transverse sliding rail 65 of the bolt pressing station moving table in a sliding manner, and the bolt pressing station moving table 62 is pressed by a bolt pressing station moving table driving cylinder 66 to drive the bolt pressing station moving table to transversely move; the pressing bolt base 63 is driven to rotate by a pressing bolt base driving motor 67;
the press-fitting mechanism 64 comprises a press-fitting frame 68 arranged on the chassis 1 and a press-fitting driving device 69 arranged on the press-fitting frame 68, wherein a movable press-fitting head 70 is arranged at the lower end of the press-fitting driving device 69, and the press-fitting head 70 is provided with a downward riveting bolt; the press-fit driving device can be a motor or a cylinder hydraulic cylinder;
the press-fitting mechanism 64 further comprises a center positioning rod driving cylinder arranged on the press frame 68, wherein the lower end of the center positioning rod driving cylinder is provided with a lifting center positioning rod 71, and the center positioning rod 71 is inserted into the center of the disc-shaped workpiece in a descending manner;
the blanking station 5 comprises a blanking base 72 arranged on the chassis 1 and a blanking manipulator 73 arranged on one side for blanking the disc-shaped workpiece on the blanking base 72;
the optimal design of the material moving mechanism 6 is that the material moving mechanism 6 comprises a transverse moving guide rail 74 arranged on a chassis 1, wherein a transverse moving table 75 and a transverse moving table driving cylinder 76 for driving the transverse moving table 75 are arranged on the transverse moving guide rail 74, a material moving lifting cylinder 54 and a lifting vertical rail 77 are arranged on the transverse moving table 75, a material moving table 78 capable of moving up and down is arranged on the lifting vertical rail 77 in a sliding manner, and the movable end of the material moving lifting cylinder 54 is connected to the material moving table 78; a material moving guide rail 79 arranged along the distribution direction of the stations is arranged on the material moving table 78, and a left clamping jaw set 80 and a right clamping jaw set 81 which form a plurality of clamping jaws are slidably arranged on the material moving guide rail 79; the left and right gripper jaw groups 80 and 81 are connected to the gripper cylinder 82 so that the gripper jaws are gripped or separated, and one of the left and right gripper jaw groups 80 and 81 is connected to a gripper jaw group moving cylinder 83 so that the gripper jaws can move left and right.
The left gripper jaw set 80 comprises a first left gripper jaw 84, a second left gripper jaw 85 and a third left gripper jaw 86, wherein a first left gripper jaw moving block 87 is arranged at the rear end of the first left gripper jaw 84, a second left gripper jaw moving block 88 is arranged at the rear end of the second left gripper jaw 85, a third left gripper jaw moving block 89 is arranged at the rear end of the third left gripper jaw 86, and the first left gripper jaw moving block 87, the second left gripper jaw moving block 88 and the third left gripper jaw moving block 89 are fixedly connected together and are slidably arranged on a material moving guide rail 79;
the right clamping jaw set 81 comprises a first right clamping jaw 90, a second right clamping jaw 91 and a third right clamping jaw 92 which are connected together; the rear end of the first right clamping jaw 90 is provided with a first right clamping jaw moving block 93, the rear end of the second right clamping jaw 91 is provided with a second right clamping jaw moving block 94, the rear end of the third right clamping jaw 92 is provided with a third clamping jaw moving block 95, the first right clamping jaw moving block 93, the second right clamping jaw moving block 94 and the third right clamping jaw moving block 95 are fixedly connected together and are slidably arranged on the material moving guide rail 79;
the first left and right clamping claws are used for transferring disc-shaped workpieces between the feeding station 2 and the bolt loading station 3, the second left and right clamping claws are used for transferring disc-shaped workpieces between the bolt loading station 3 and the bolt pressing station 4, and the third left and right clamping claws are used for transferring disc-shaped workpieces between the bolt pressing station 4 and the discharging station 5;
the gripper group moving cylinder 83 is connected to a third left gripper 86 moving block.
Further, the first left gripper jaw moving block 87, the second left gripper jaw moving block 88 and the third left gripper jaw moving block 89 are fixedly connected together in a way that the first left gripper jaw moving block, the second left gripper jaw moving block and the third left gripper jaw moving block 89 are connected to the connecting rod through threaded pieces;
the first right gripper jaw moving block 93, the second right gripper jaw moving block 94 and the third right gripper jaw moving block 95 are fixedly connected together in a way that the first right gripper jaw moving block, the second right gripper jaw moving block and the third right gripper jaw moving block are connected to the connecting rod through threaded pieces;
the utility model provides an optimal design of unloading gripper, unloading manipulator 73 includes a unloading grudging post 20 that is located unloading base 72 limit, be equipped with unloading horizontal guide rail 96 on the unloading grudging post 20, transversely be equipped with unloading horizontal workstation 97 on the unloading horizontal guide rail 96, unloading horizontal workstation 97 below is equipped with unloading vertical guide rail 98, unloading vertical guide rail 98 is gone up the slide and is equipped with an unloading vertical workstation 99, unloading vertical workstation 99 below is equipped with an unloading gripper 101 that receives unloading cylinder 100 drive clamp.
When the invention is used, disc-shaped workpieces are stacked on the disc-shaped workpiece storage device 7, and then the material taking manipulator 10 can take off and transfer the uppermost disc-shaped workpiece positioned at the material level closest to one side of the material taking machine to the material loading base 8; the disc-shaped workpiece is lifted and taken down by the material transferring mechanism 6 and is transferred onto the bolt mounting base 32 of the bolt mounting station 3, the bolt mounting station moving table 40 drives the bolt base to transversely move into position, then the bolt at the tail end of the bolt feeding channel 31 enters the bolt lifting bracket 37 to be lifted, the bolt transferring manipulator 33 takes the bolt down and inserts the bolt into the bolt hole of the disc-shaped workpiece, the bolt mounting base driving motor 43 drives the bolt mounting base 32 to rotate, the bolt transferring manipulator 33 continuously works to fill the bolt hole on the disc-shaped workpiece, then the bolt mounting station moving table 40 transversely moves and returns, the material transferring mechanism 6 transfers the disc-shaped workpiece onto the bolt mounting base 63 on the bolt mounting station 4, the bolt station moving table transversely moves to enable the disc-shaped workpiece to be located below the press, the center positioning rod is inserted into the center of the disc-shaped workpiece, the press mounting head of the press driving device downwards presses the bolt into position, the bolt mounting base driving motor 43 rotates, the press mechanism 64 repeatedly works to press all the bolts on the disc-shaped workpiece into position, then the bolt mounting station moving table 62 transversely moves, and the disc-shaped workpiece is transferred onto the blanking base 72 by the material transferring mechanism 6, and the disc-shaped workpiece is moved to the disc-shaped workpiece and the disc-shaped workpiece 73 is completely pressed.
The invention has the beneficial effects that: 1. the press mounting of the bolts on the most disc-shaped workpieces can be realized fully automatically, the press mounting speed is high, and the production efficiency is greatly improved. 2. The automatic defective product detection device has the function of detecting the fed bolts, and reduces the defective rate in production.
Claims (10)
1. The utility model provides a bolt pressure equipment machine which characterized in that: the machine comprises a machine case, wherein a feeding station, a bolt loading station, a bolt pressing station and a discharging station are sequentially arranged on the machine case; the machine case is also provided with a material moving mechanism for moving the disc-shaped workpiece from the previous station to the next station;
the feeding station comprises a disc-shaped workpiece storage device, a feeding base fixed on the chassis and a material taking manipulator for moving the disc-shaped workpiece from the disc-shaped workpiece storage device to the feeding base;
the bolt loading station comprises a bolt feeding channel connected with a bolt feeding device, a bolt loading base capable of transversely moving and a bolt transferring manipulator for transferring bolts;
the bolt feeding channel comprises a material cavity for only accommodating single bolt rods to pass through and guard edges positioned at two sides of the material cavity, the bolt heads are hung on the guard edges when the bolts pass through the material cavity in a row, a bolt lifting bracket is arranged at the tail end of the bolt feeding channel and is slidably arranged on a bolt lifting bracket guide rail, and a bolt lifting bracket lifting cylinder for driving the bolt lifting bracket guide rail to ascend is arranged below the bolt lifting bracket;
the bolt-mounting base is rotatably arranged on a bolt-mounting station moving table, the bolt-mounting station moving table is arranged on a transverse sliding rail of the bolt-mounting station moving table in a sliding manner, and the bolt-mounting station moving table is driven by a bolt-mounting station moving table driving cylinder to transversely move; the bolt mounting base is driven by a bolt mounting base driving motor to rotate;
the disc-shaped workpiece is placed in the bolt mounting base, and the bolt transferring manipulator clamps and transfers the bolts positioned on the bolt mounting base into the bolt holes on the disc-shaped workpiece;
the bolt pressing station comprises a bolt pressing base and a pressing mechanism which are rotatably arranged on a bolt pressing station moving table, the bolt pressing station moving table is arranged on a transverse sliding rail of the bolt pressing station moving table in a sliding manner, and the bolt pressing station moving table is driven by a bolt pressing station moving table driving cylinder to drive the bolt pressing station moving table to transversely move; the pressing bolt base is driven by a pressing bolt base driving motor to rotate;
the press-mounting mechanism comprises a press-mounting frame arranged on the chassis and a press-mounting driving device arranged on the press-mounting frame, wherein the lower end of the press-mounting driving device is provided with a movable press-mounting head, and the press-mounting head is provided with a downward riveting bolt;
the blanking station comprises a blanking base arranged on the chassis and a blanking manipulator which is arranged on one side of the blanking base and used for blanking the disc-shaped workpiece on the blanking base.
2. The bolt press according to claim 1, wherein: the disc-shaped workpiece storage device comprises a feed box, a rotary tray is rotatably arranged on the feed box, a plurality of material levels are arranged at the edge of the rotary tray, and upright material rods are arranged on the material levels; a material tray is arranged on the material rod in a penetrating way, and a disc-shaped workpiece is arranged above the material tray in a penetrating way on the material rod; the lower end of the rotating tray is provided with a step ratchet wheel, the step ratchet wheel is driven to rotate step by a poking wheel, and the poking wheel is connected to a step ratchet wheel driving motor; the feed box is also provided with a vertical frame, a driven sprocket is arranged above the vertical frame, a driving sprocket driven by a sprocket driving motor is arranged below the vertical frame, and a transmission chain is arranged between the driving sprocket and the driven sprocket; the lifting guide rail is arranged between the front side of the vertical frame and the material rotating disc, the lifting guide rail is movably provided with a lifting fork frame, the lifting fork frame is inserted below the material rotating disc, and the lifting fork frame is connected up and down by a transmission chain.
3. The bolt press according to claim 1, wherein: the material taking manipulator comprises a material taking vertical frame positioned between a material loading base and a disc-shaped workpiece storage device, a material taking horizontal guide rail is arranged on the material taking vertical frame, a material taking horizontal workbench is transversely arranged on the material taking horizontal guide rail, a material taking vertical guide rail is arranged below the material taking horizontal workbench, a material taking vertical workbench is arranged on the material taking vertical guide rail in a sliding manner, and a material taking mechanical claw which is clamped by a material taking cylinder in a driving manner is arranged below the material taking vertical workbench.
4. The bolt press according to claim 1, wherein: the screw thread detection mechanism and the defective screw bolt removing mechanism are arranged on the screw bolt feeding channel;
the thread detection mechanism comprises a comparison seat with a comparison guide rail; the left moving block and the right moving block are slidably arranged on the comparison guide rail and can be mutually folded or separated by being connected by a moving block driving device; the left moving block is provided with a transverse guide pillar, the transverse guide pillar is provided with a comparison block in a sliding manner, a reset spring is arranged between the comparison block and the left moving block, and the left moving block is also provided with a position sensor for detecting the position displacement of the comparison block; the device comprises a right moving block, a left moving block and a right moving block, wherein the right moving block is provided with a clamping claw, the clamping claw and the left moving block are driven by a moving block driving device to clamp a bolt to be detected, and threads of the comparing bolt are propped against the bolt to be detected;
the lower side of the screw to be detected below the screw feeding channel is also provided with a lifting cylinder, the upper end of the lifting cylinder is provided with a lifting center, and the lifting center rises to prop against the screw to be detected;
the defective bolt removing mechanism comprises a blanking channel positioned on the edge of a bolt feeding channel, and a blanking push rod for pushing defective bolts into the blanking channel is arranged on the edge of the bolt feeding channel; the screw thread of the bolt to be detected is the same as that of the comparison bolt; the blanking push rod of the defective bolt removing mechanism is positioned at the lower side of the bolt feeding channel, and the blanking push rod pushes out the bolts upwards; the upper side of the bolt feeding channel corresponding to the position of the blanking push rod is provided with a steering contact piece bent to the blanking channel; the head of the defective bolt can change direction to the discharging channel when meeting the turning contact piece and fall into the discharging channel.
5. The bolt press according to claim 1, wherein: the bolt-mounting base driving motor is positioned on the other side of the bolt-mounting station moving table, and the driving end of the bolt-mounting base driving motor is in transmission connection with the bolt-mounting base through a transmission belt to drive the bolt-mounting base to rotate.
6. The bolt press according to claim 1, wherein: the press mounting mechanism further comprises a center positioning rod driving cylinder arranged on the press frame, a lifting center positioning rod is arranged at the lower end of the center positioning rod driving cylinder, and the center positioning rod is inserted into the center of the disc-shaped workpiece in a descending mode.
7. The bolt press according to claim 1, wherein: the material moving mechanism comprises a transverse moving guide rail arranged on the chassis, a transverse moving table and a transverse moving table driving cylinder for driving the transverse moving table are arranged on the transverse moving guide rail, a material moving lifting cylinder and a lifting vertical rail are arranged on the transverse moving table, a material moving table capable of moving up and down is arranged on the lifting vertical rail in a sliding manner, and the movable end of the material moving lifting cylinder is connected to the material moving table; the material moving table is provided with a material moving guide rail arranged along the distribution direction of the stations, and the material moving guide rail is provided with a left clamping jaw group and a right clamping jaw group which form a plurality of clamping jaws in a sliding manner; the left clamping jaw set and the right clamping jaw set are connected to the clamping cylinder so that the clamping jaws are clamped or separated, and one of the left clamping jaw set and the right clamping jaw set is connected to a clamping jaw set moving cylinder so that the clamping jaws can move left and right.
8. The bolt press according to claim 7, wherein: the left clamping jaw set comprises a first left clamping jaw, a second left clamping jaw and a third left clamping jaw, wherein a first left clamping jaw moving block is arranged at the rear end of the first left clamping jaw, a second left clamping jaw moving block is arranged at the rear end of the second left clamping jaw, a third left clamping jaw moving block is arranged at the rear end of the third left clamping jaw, and the first left clamping jaw moving block, the second left clamping jaw moving block and the third left clamping jaw moving block are fixedly connected together and are arranged on a material moving guide rail in a sliding manner;
the right clamping jaw set comprises a first right clamping jaw, a second right clamping jaw and a third right clamping jaw which are connected together; the rear end of the first right clamping jaw is provided with a first right clamping jaw moving block, the rear end of the second right clamping jaw is provided with a second right clamping jaw moving block, the rear end of the third right clamping jaw is provided with a third right clamping jaw moving block, and the first right clamping jaw moving block, the second right clamping jaw moving block and the third right clamping jaw moving block are fixedly connected together and are arranged on a material moving guide rail in a sliding way;
the gripper jaw set moving cylinder is connected to the third left gripper jaw moving block.
9. The bolt press according to claim 8, wherein: the first left clamping claw moving block, the second left clamping claw moving block and the third left clamping claw moving block are fixedly connected together in a mode that the first left clamping claw moving block, the second left clamping claw moving block and the third left clamping claw moving block are connected to the connecting rod through threaded pieces;
the first right clamping claw moving block, the second right clamping claw moving block and the third right clamping claw moving block are fixedly connected together in a mode that the first right clamping claw moving block, the second right clamping claw moving block and the third right clamping claw moving block are connected to the connecting rod through threaded pieces.
10. The bolt press according to claim 1, wherein: the blanking manipulator comprises a blanking vertical frame positioned on the edge of a blanking base, a blanking horizontal guide rail is arranged on the blanking vertical frame, a blanking horizontal workbench is transversely arranged on the blanking horizontal guide rail, a blanking vertical guide rail is arranged below the blanking horizontal workbench, a blanking vertical workbench is arranged on the blanking vertical guide rail in a sliding mode, and a blanking mechanical claw clamped by a blanking cylinder is arranged below the blanking vertical workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810845873.0A CN108747330B (en) | 2018-07-27 | 2018-07-27 | Bolt press-fitting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810845873.0A CN108747330B (en) | 2018-07-27 | 2018-07-27 | Bolt press-fitting machine |
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| CN108747330A CN108747330A (en) | 2018-11-06 |
| CN108747330B true CN108747330B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109664083A (en) * | 2018-12-28 | 2019-04-23 | 依工（宁波）电子元件紧固装置有限公司 | A kind of automatic assembly equipment of jacking bracket |
| CN110340969A (en) * | 2019-08-19 | 2019-10-18 | 长沙瑞捷机械科技股份有限公司 | A kind of high-precision flexible pipe blanking machine |
| CN110465565B (en) * | 2019-08-26 | 2021-12-10 | 昆山中固精密五金有限公司 | U-shaped bolt manufacturing and discharging device |
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| JPH08118167A (en) * | 1994-10-25 | 1996-05-14 | Mitsubishi Motors Corp | Automatic bolt fastening device |
| CN102294591A (en) * | 2011-07-30 | 2011-12-28 | 郭术松 | Automatic expansion bolt assembling machine |
| CN203751653U (en) * | 2014-03-04 | 2014-08-06 | 十堰科威机电有限公司 | Hub bolt pressing machine |
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| CN108747330A (en) | 2018-11-06 |
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