CN211161762U - Thin shaft detection device of chain assembly machine - Google Patents
Thin shaft detection device of chain assembly machine Download PDFInfo
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- CN211161762U CN211161762U CN201921416399.6U CN201921416399U CN211161762U CN 211161762 U CN211161762 U CN 211161762U CN 201921416399 U CN201921416399 U CN 201921416399U CN 211161762 U CN211161762 U CN 211161762U
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Abstract
The utility model belongs to the technical field of the chain, especially, relate to a device is examined to chain assembly machine thin axle, the utility model discloses a following assembly machine girder synchronous operation's the detecting element detects the round pin axle in every single section of the chain of assembly completion, the round pin axle is pressed the nail and is promoted the round pin axle downwards, directly release from the chain with the round pin axle that the diameter size is littleer, the round pin axle exposes the back and contacts and put through electromagnetic clutch brake's the solenoid place return circuit with the electrically conductive sheetmetal that sets up in the unloading guide rail, and then control assembly machine shut down is handled thin axle with making things convenient for the staff, the automation that thin axle was examined has been realized, and detect efficiently, the inaccuracy of artifical detection among the prior art has been avoided, greatly reduced the operation labor capacity, the substandard product has been prevented from flowing.
Description
Technical Field
The utility model belongs to the technical field of the chain, especially, relate to a device is examined to chain assembly machine thin axle.
Background
Today, various enterprises with high development of the chain industry can further deepen the understanding degree of the quality of products, only high-quality products can benefit customers and society, however, the quality of the chain is seriously affected by the ultra-poor machining size of parts caused by unstable factors such as machining equipment and the like in the manufacturing process of the chain,
at present, the chain assembles on the assembly machine, get into the unloading guide rail ejection of compact after the assembly, then through the process flows such as the ring joint die that prestretches of the whole process of tearing open, at last through artifical visual inspection whether have unqualified product, but the round pin axle is thin slightly only sees very easily by the workman carelessly in some time, because the chain part is little and many, the work load by artifical visual inspection is big, and the precision of detecting is very low, so the defective products flow in the customer end often appears, and the chain is in the use, thin axle drops and can lead to the chain fracture, bring serious potential safety hazard for the customer.
SUMMERY OF THE UTILITY MODEL
According to the not enough of above prior art, the utility model provides a device and method are examined to chain assembly machine thin axle, it can be through the unqualified round pin axle of automatic accurate detection out diameter in the chain, prevented that unqualified product from flowing into in the customer's hand.
The utility model provides a technical scheme that technical problem adopted does: a thin shaft detection device of a chain assembly machine comprises a fixed seat assembly, a detection assembly and a response assembly, wherein the fixed seat assembly is detachably arranged at a discharge station at the rear end of a girder of the chain assembly machine, the fixed seat assembly is used for fixedly connecting the detection assembly, the detection assembly and the girder of the assembly machine synchronously run, the detection assembly is matched with a blanking guide rail and is used for detecting a thin shaft, and the thin shaft is a pin shaft with the cross section diameter smaller than a specified value;
the detection assembly comprises a pin shaft pressing nail seat, a pin shaft pressing nail, an elastic piece, a conductive metal sheet, a normally open relay and an electromagnetic clutch brake for stopping the operation of the assembly machine;
the pin shaft pressing nail seat is detachably arranged at the bottom of the fixing seat component, two blind hole holes with downward openings are formed in the bottom of the pin shaft pressing nail seat, a pin shaft pressing nail and an elastic component are sleeved in a gap in each hole, the top of the pin shaft pressing nail is fixedly connected to the top of the inner side wall of each hole through the elastic component, the pin shaft pressing nail is always arranged coaxially with each hole and a pin shaft to be tested, the diameter of the cross section of the bottom end of the pin shaft pressing nail is smaller than or equal to the diameter of the cross section of the pin shaft to be tested, the pin shaft pressing nail is used for pressing the pin shaft to be tested downwards, the top end of the pin shaft pressing nail is connected with a ground wire through;
the blanking guide rail is arranged below the pin shaft pressing nail and comprises a groove with an upward opening, and the groove is used for discharging the chain; the bottom of the inner side wall of the groove is provided with a detection groove, the detection groove is used for providing a displacement space for the pressed thin shaft, a conductive metal sheet is arranged in the detection groove and is positioned right below the pin shaft pressing nail, the top of the conductive metal sheet is lower than the horizontal plane where the edge of the top of the detection groove is positioned, one end of the conductive metal sheet is connected with one end of a coil of a normally open relay through a wire, and the other end of the coil is connected with a power supply;
the normally open relay is connected with the electromagnetic coil of the electromagnetic clutch brake for stopping the operation of the assembling machine in series and then connected to a power supply, when the coil of the normally open relay is electrified, the normally open contact is closed, then the electromagnetic coil of the electromagnetic clutch brake is electrified, and the assembling machine is controlled to stop.
Furthermore, the fixing seat assembly comprises a fixing seat, a fixing plate and a limiting bolt, the fixing seat is detachably connected with the fixing plate, a girder of the assembling machine is sleeved in a gap in a frame enclosed by the fixing seat and the fixing plate, a through hole with internal threads is formed in the fixing seat, the limiting bolt is connected with the through hole in an internal thread mode and used for being fixed on the girder of the assembling machine, and the pin shaft pressing nail seat is detachably arranged at the bottom of the fixing plate.
Furthermore, the pin shaft nail pressing seat is fixed with the fixed seat component through a pin shaft nail pressing seat fixing plate.
Furthermore, the device also comprises an alarm, and the alarm is connected with a normally open contact of the normally open relay in series and then is connected to a power supply.
Furthermore, the conductive metal sheet is a special-shaped spring sheet, the head end of the conductive metal sheet is arranged in the detection groove in a suspension mode, the length of the head end is larger than the minimum distance between two pin shafts in a single-section chain, the shortest distance between the head end and the two pin shafts is equal, the tail end penetrates through the side wall of the blanking guide rail and is connected with a normally open contact of a normally open relay in series, and the tail end and the blanking guide rail are isolated through an insulating material.
Further, the pin shaft is pressed at the bottom of the pin shaft nail to give the maximum pressure F to the pin shaftmaxIs smaller than the pressing force F between the pin shaft and the chain plate of the chain.
Furthermore, the top of the conductive metal sheet is 0.2 mm-0.5 mm lower than the horizontal plane where the top edge of the detection groove is located.
The utility model discloses following beneficial effect has: the utility model discloses a follow assembly machine girder synchronous operation's the subassembly and detect the round pin axle in every single section of the chain of accomplishing the assembly, round pin axle pressure nail promotes the round pin axle downwards, directly release the round pin axle that the diameter size is littleer in the chain, the bottom exposure volume of round pin axle increases and switches on normally open relay's coil with the electrically conductive sheetmetal contact that sets up in the unloading guide rail, and then make normally open relay's normally open contact switch-on, make electromagnetic clutch brake's solenoid place return circuit also switch on, and then the control assembly machine stops, the automation that the thin axle was detected out has been realized, and detect efficiently, the inaccuracy of artifical detection among the prior art has been avoided, greatly reduced the operation amount of labour, the substandard product has been prevented from flowing into the customer.
Drawings
Fig. 1 is a schematic front view of an embodiment provided by the present invention;
FIG. 2 is a schematic view of the structure of part A in FIG. 1, partially in section and enlarged;
fig. 3 is a schematic left-side longitudinal sectional view of the blanking guide rail at the detection groove in the embodiment provided by the present invention;
FIG. 4 is a left side longitudinal cross-sectional view of a prior art blanking guide rail;
fig. 5 is a schematic circuit diagram of an embodiment of the present invention;
in the figure: 1. the assembling machine comprises a crossbeam 2, a blanking guide rail 21, a groove 22, a detection groove 31, a pin shaft pressing nail seat 311, a hole 32, a pin shaft pressing nail 33, an elastic part 34, a conductive metal sheet 35, a normally open relay 36, an electromagnetic clutch brake 37, a pin shaft pressing nail seat fixing plate 41, a pin shaft 42 to be tested, a chain 43, a pin shaft pressing block 44, a first chain plate pressing block 45, a second chain plate pressing block 46, a third chain plate pressing block 51, a fixing seat 52, a fixing plate 53, a limiting bolt 6 and an alarm.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The first embodiment is as follows:
as shown in fig. 1 to 5, a thin shaft detection device of a chain assembly machine comprises a fixed seat assembly, a detection assembly and a response assembly, wherein the fixed seat assembly is detachably arranged at a discharge station at the rear end of a crossbeam 1 of the chain assembly machine, the fixed seat assembly is used for fixedly connecting the detection assembly, the detection assembly and the crossbeam 1 of the chain assembly machine synchronously run, the detection assembly is matched with a blanking guide rail 2 and is used for detecting a thin shaft, and the thin shaft is a pin shaft with a cross section diameter smaller than a specified value;
the detection assembly comprises a pin shaft pressing nail seat 31, a pin shaft pressing nail 32, an elastic piece 33, a conductive metal sheet 34, a normally open relay 35 and an electromagnetic clutch brake 36 for stopping the operation of the assembly machine;
the pin shaft pressing nail seat 31 is detachably arranged at the bottom of the fixing seat assembly, two blind hole holes 311 with downward openings are formed in the bottom of the pin shaft pressing nail seat 31, a pin shaft pressing nail 32 and an elastic part 33 are sleeved in the hole 311 in a clearance mode, the top of the pin shaft pressing nail 32 is fixedly connected to the top of the inner side wall of the hole through the elastic part 33, the pin shaft pressing nail 32 is always arranged coaxially with the hole 311 and a pin shaft 41 to be tested, the diameter of the cross section of the bottom end of the pin shaft pressing nail 32 is smaller than or equal to the diameter of the cross section of the pin shaft 41 to be tested, the pin shaft pressing nail 32 is used for pressing the pin shaft 41 to be tested downwards, the top end of the pin shaft pressing nail 32 is connected with a ground wire through an;
the blanking guide rail 2 is arranged below the pin shaft pressing nail 32, the blanking guide rail 2 comprises a groove 21 with an upward opening, and the groove 21 is used for chain discharging; the bottom of the inner side wall of the groove 21 is provided with a detection groove 22, the detection groove 22 is used for providing a displacement space for a pressed thin shaft, a conductive metal sheet 34 is arranged in the detection groove 22, the conductive metal sheet 34 is positioned right below the pin shaft pressing nail 32, the top of the conductive metal sheet 34 is lower than the horizontal plane where the edge of the top of the detection groove 22 is positioned, one end of the conductive metal sheet 34 is connected with one end of a coil of a normally open relay 35 through a wire, and the other end of the coil is connected with a power supply;
the normally open contact of the normally open relay 35 and the electromagnetic coil of the electromagnetic clutch brake 36 for stopping the operation of the assembling machine are connected in series and then connected to a power supply, when the coil of the normally open relay 35 is electrified, the normally open contact is closed, then the electromagnetic coil of the electromagnetic clutch brake 35 is electrified, and the assembling machine is controlled to stop.
The power supply may be supplied at +24V from the electrical control box.
Further, the fixing seat assembly comprises a fixing seat 51, a fixing plate 52 and a limiting bolt 53, the fixing seat 51 and the fixing plate 52 are detachably connected and can be fixed by a bolt, an assembly machine girder 1 is sleeved in a gap in a frame surrounded by the fixing seat 51 and the fixing plate 52, a through hole with internal threads is formed in the fixing seat 51, the limiting bolt 53 is connected in the through hole in an internal thread manner, the limiting bolt 53 is used for positioning the fixing seat 51 on the assembly machine girder 1, the pin shaft press pin seat 31 is detachably arranged at the bottom of the fixing plate 52 and can be connected by a bolt, and when the limiting bolt 53 is screwed, one end of the limiting bolt abuts against the assembly machine girder 1, so that the fixing seat 51 is fixed.
Further, the pin shaft pressing nail seat 31 and the fixed seat component are fixed through a pin shaft pressing nail seat fixing plate 37.
Further, the device also comprises an alarm 6, the alarm 6 is connected with a normally open contact of the normally open relay 35 in series and then is connected with a power supply, and when the normally open contact is connected, a loop where the alarm 6 is located is also connected so as to send out an alarm.
Further, the conductive metal sheet 34 is a special-shaped spring sheet, the head end of the conductive metal sheet is arranged in the detection groove 22 in a suspension mode, the length of the head end is larger than the minimum distance between two pin shafts in a single chain, the shortest distance between the head end and the two pin shafts is equal, the tail end penetrates through the side wall of the blanking guide rail 2 and is connected with a normally open contact of the normally open relay 35 in series, and the tail end and the blanking guide rail 2 are isolated through an insulating material and are arranged in series
The electromagnetic clutch brake can be D L Z1-25.
Further, the pin shaft is pressed by the bottom of the pin shaft pressing nail 32 to give the maximum pressure F to the pin shaftmaxLess than the pressing force F between the pin shaft and the chain platePress and press。
Further, the top of the conductive metal sheet 34 is 0.5mm lower than the horizontal plane of the top edge of the detection slot 22, that is, the distance between the bottom of the pin shaft and the top of the conductive metal sheet 34 is 0.5mm in normal size, because considering the existence of burrs and short shafts, if the distance is too large, a missing detection occurs.
The method for detecting the thin shaft by using the thin shaft detecting device of the chain assembling machine comprises the following steps:
(1) the fixing seat 51 is arranged on the top of the assembling machine girder 1 in a spanning mode, the fixing seat 51 can be a square frame, then a fixing plate 52 is placed at the bottom of the assembling machine girder 1 and connected with the fixing seat 51 through bolts, a pin shaft pressing seat fixing plate 37 and a pin shaft pressing seat 31 are fixedly connected and connected onto the fixing seat 51 through bolts in sequence, the fixing seat assembly is installed on a rear end discharging station of the assembling machine girder 1, the adjusting position ensures that a pin shaft pressing nail 32 is positioned right above a pin shaft 41 to be detected and is coincided with an extension line of the central axis of the pin shaft 41 to be detected, the fixing seat 51 is fixed through a fastening limiting bolt 52, and a conductive metal sheet 34, a normally open relay 35, an electromagnetic clutch brake 36;
(2) debugging the assembly machine to enable the assembly machine to enter a normal chain assembly state;
(3) the chain is assembled at each station of the assembling machine, the chain 42 is assembled into a complete chain 42 sequentially through a pin shaft pressing block 43, a chain plate first pressing block 44, a chain plate second pressing block 45 and a chain plate third pressing block 46, then the chain 42 enters the blanking guide rail 2, the pin shaft 41 to be detected advances to the appointed detection position of the blanking guide rail 2, and the pin shaft pressing nail seat 31 and the girder 1 of the assembling machine synchronously run;
(4) after the assembling machine girder 1 drives the pin shaft press nail 32 to move downwards to contact the pin shaft 41 to be tested, two situations can occur:
A. the size of the pin shaft 41 to be measured is normal:
when the pin shaft press nails 32 contact with the pin shaft with normal size and continue to press down the pin shaft with normal size, the protruding amount of the pin shaft is unchanged, the pin shaft press nails 32 are blocked by the pin shaft to extrude the elastic part 33 in the holes 311 and partially retract into the holes 311, then the assembling machine girder 1 drives the pin shaft press nail seat 31 to move upwards, the extrusion force of the pin shaft press nails 32 from the pin shaft is reduced, the lower ends of the pin shaft press nails 32 are moved out of the holes 311 due to the pushing of the elastic part 33 until the pin shaft press nails 32 are separated from the pin shaft, the assembling machine normally operates to carry out next single-joint assembly, at the moment, the pin shaft press nail seat 31 and the assembling machine girder 1 synchronously operate to detect the pin shaft in a new single joint;
B. the pin shaft to be detected is a thin shaft:
when the pin shaft pressing nail 32 is in contact with the thin shaft and continues to press down the thin shaft, the head exposure amount of the upper end of the thin shaft is reduced, the head exposure amount of the lower end of the thin shaft is increased, the bottom of the pressed thin shaft is in contact with the conductive metal sheet 34, the loop where the pin shaft pressing nail 32, the thin shaft, the conductive metal sheet 34 and the coil of the normally open relay 35 are located is switched on, the coil is electrified, the normally open contact of the normally open relay 35 is controlled to be closed, then the circuit where the normally open contact of the normally open relay 35 is located is switched on by the electromagnetic coil of the electromagnetic clutch brake 36 for stopping the operation of the assembling machine, and the electromagnetic.
Meanwhile, a loop where the normally open contacts of the alarm 6 and the normally open relay 35 are connected in series is also connected, the alarm 6 gives an alarm, the schematic circuit connection diagram is shown in fig. 5, a switch K in the diagram is a switch formed by a pin shaft pressing nail 32, a thin shaft and a conductive metal sheet 34, the alarm 6 can adopt a TGSG-01T acousto-optic integrated alarm, and the normally open relay 35 can adopt an ASW100-24V direct current reversing contactor.
(5) The thin shaft is picked out by an operator of the assembly machine through a magnetic iron rod, the iron rod is a common iron rod and can also be made of iron wires, the end part of the iron rod is magnetized and is used for attracting the thin shaft so as to conveniently pick out the thin shaft, the assembly machine is controlled to reset, the next single-section assembly and detection are carried out, and the operation and the detection are carried out in a circulating mode.
The above is the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures or equivalent processes that the contents of the specification and the drawings are used for conversion, or directly or indirectly applied to other related technical fields, all the same principles are included in the patent protection scope of the present invention.
Claims (7)
1. The fine shaft detection device of the chain assembling machine is characterized in that: the chain assembling machine comprises a fixed seat assembly, a detection assembly and a response assembly, wherein the fixed seat assembly is detachably arranged at a discharge station at the rear end of a crossbeam of the chain assembling machine, the fixed seat assembly is used for fixedly connecting the detection assembly, the detection assembly and the crossbeam of the assembling machine synchronously run, the detection assembly is matched with a blanking guide rail and is used for detecting a thin shaft, and the thin shaft is a pin shaft with the cross section diameter smaller than a specified value;
the detection assembly comprises a pin shaft pressing nail seat, a pin shaft pressing nail, an elastic piece, a conductive metal sheet, a normally open relay and an electromagnetic clutch brake for stopping the operation of the assembly machine;
the pin shaft pressing nail seat is detachably arranged at the bottom of the fixing seat component, two blind hole holes with downward openings are formed in the bottom of the pin shaft pressing nail seat, a pin shaft pressing nail and an elastic part are sleeved in a gap in each hole, the top of the pin shaft pressing nail is fixedly connected to the top of the inner side wall of each hole through the elastic part, the pin shaft pressing nail is always arranged coaxially with each hole and a pin shaft to be tested, the pin shaft pressing nail is used for pressing the pin shaft to be tested downwards, the top end of the pin shaft pressing nail is connected with a ground wire through a crossbeam of an assembling machine, and the pin shaft pressing nail is made of a conductive metal material;
the blanking guide rail is arranged below the pin shaft pressing nail and comprises a groove with an upward opening, and the groove is used for discharging the chain; a detection groove is formed in the bottom of the inner side wall of the groove, a conductive metal sheet is arranged in the detection groove and is positioned right below the pin shaft pressing nail, one end of the conductive metal sheet is connected with one end of a coil of the normally open relay through a wire, and the other end of the coil is connected with a power supply;
and a normally open contact of the normally open relay and an electromagnetic coil of the electromagnetic clutch brake for stopping the operation of the assembly machine are connected in series and then connected to a power supply.
2. The fine axis detection device of a chain assembling machine according to claim 1, wherein: the fixing seat assembly comprises a fixing seat, a fixing plate and a limiting bolt, the fixing seat is detachably connected with the fixing plate, a girder of the assembling machine is sleeved in a gap in a frame enclosed by the fixing seat and the fixing plate, a through hole with internal threads is formed in the fixing seat, the limiting bolt is connected with the through hole in an internal thread mode and used for being fixed on the girder of the assembling machine in a fixing mode, and the pin shaft pressing nail seat is detachably arranged at the bottom of the fixing plate.
3. The fine axis detection device of a chain assembling machine according to claim 2, wherein: the pin shaft nail pressing seat is fixed with the fixed seat component through a pin shaft nail pressing seat fixing plate.
4. The fine axis detection device of a chain assembling machine according to claim 1, wherein: the device also comprises an alarm, wherein the alarm is connected with a normally open contact of the normally open relay in series and then is connected to a power supply.
5. The fine axis detection device of a chain assembling machine according to claim 1, wherein: the conductive metal sheet is a special-shaped spring sheet, the head end of the conductive metal sheet is arranged in the detection groove in a suspension mode, the length of the head end is larger than the minimum distance between two pin shafts in a single-section chain, the shortest distance between the head end and the two pin shafts is equal, the tail end penetrates through the side wall of the blanking guide rail and is connected with a normally open contact of a normally open relay in series, and the tail end and the blanking guide rail are isolated through an insulating material.
6. The fine axis detection device of a chain assembling machine according to claim 1, wherein: the pin shaft is pressed on the bottom of the nail to give the maximum pressure F to the pin shaftmaxLess than the pressing force F between the pin shaft and the chain platePress and press。
7. The fine axis detection device of a chain assembling machine according to claim 1, wherein: the top of the conductive metal sheet is 0.2 mm-0.5 mm lower than the horizontal plane where the top edge of the detection groove is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921416399.6U CN211161762U (en) | 2019-08-29 | 2019-08-29 | Thin shaft detection device of chain assembly machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921416399.6U CN211161762U (en) | 2019-08-29 | 2019-08-29 | Thin shaft detection device of chain assembly machine |
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| Publication Number | Publication Date |
|---|---|
| CN211161762U true CN211161762U (en) | 2020-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921416399.6U Active CN211161762U (en) | 2019-08-29 | 2019-08-29 | Thin shaft detection device of chain assembly machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449545A (en) * | 2019-08-29 | 2019-11-15 | 青岛征和链传动有限公司 | A kind of thin repacking of chain assembly machine goes out device and method |
-
2019
- 2019-08-29 CN CN201921416399.6U patent/CN211161762U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110449545A (en) * | 2019-08-29 | 2019-11-15 | 青岛征和链传动有限公司 | A kind of thin repacking of chain assembly machine goes out device and method |
| CN110449545B (en) * | 2019-08-29 | 2024-07-09 | 青岛征和链传动有限公司 | Device and method for detecting thin shaft of chain assembly machine |
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