CN111965710A - Anti-mixing middle chain plate detection device - Google Patents
Anti-mixing middle chain plate detection device Download PDFInfo
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- CN111965710A CN111965710A CN202010939505.XA CN202010939505A CN111965710A CN 111965710 A CN111965710 A CN 111965710A CN 202010939505 A CN202010939505 A CN 202010939505A CN 111965710 A CN111965710 A CN 111965710A
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- 238000001514 detection method Methods 0.000 title claims abstract description 54
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 239000000523 sample Substances 0.000 claims description 180
- 230000006698 induction Effects 0.000 claims description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 20
- 239000010959 steel Substances 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000001125 extrusion Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
- G01V3/02—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with propagation of electric current
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21L—MAKING METAL CHAINS
- B21L19/00—Appurtenances for chain-making not restricted to any particular process
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21L—MAKING METAL CHAINS
- B21L9/00—Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains
- B21L9/02—Making chains or chain links, the links being composed of two or more different parts, e.g. drive chains of roller-chain or other plate-link type
- B21L9/06—Sorting, feeding, assembling, riveting, or finishing parts of chains
- B21L9/065—Assembling or disassembling
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Abstract
A detection device for an anti-mixing middle chain plate relates to the technical field of chain assembly and comprises a control unit and a detection unit, wherein the control unit comprises a first proximity switch, a second proximity switch and a third proximity switch; the first detection mechanism and the second detection mechanism are matched with the top end of the outer single-section pin shaft of the detected chain for use and are matched with the frequency of the assembling machine, and the detection that the outer chain plate is mixed into the middle chain plate is realized under the control of the control unit. The invention provides a device for detecting an anti-mixing middle chain plate, which has a simple structure, is stable and durable, greatly improves the detection rate of the outer chain plate and the mixing middle chain plate, and has the same detection effect on the abnormal outer single-joint pressing force/pin shaft torsion moment caused by the abnormal pin shaft diameter due to the abnormal hole diameter and bright belt of the chain plate.
Description
Technical Field
The invention relates to the technical field of chain assembly, in particular to a detection device for an anti-mixing middle chain plate.
Background
At present, an assembly machine is used for assembling chains in multiple ways, and due to the characteristics of part processing processes, mixing risks exist to a certain degree, for example, heat treatment mesh belt furnace material clamping, shot blasting machine material clamping and the like, 100% of the outer chain plate and middle chain plate material mixing can not be detected by the existing part inspection means such as manual serial inspection, image detection and the like, the chain can be directly subjected to inspection and wire wrapping after being assembled, a pin shaft behind a riveting head enables the middle chain plate mixed with the outer chain plate of the chain to not naturally fall, the final inspection difficulty is increased, and the bad outflow risk exists.
Disclosure of Invention
According to the defects of the prior art, the invention provides the anti-mixing middle chain plate detection device which is simple in structure, stable and durable, greatly improves the detection rate of the outer chain plate and the mixing middle chain plate, and has the same detection effect on the abnormal outer single-joint pressure output/pin shaft torsion moment caused by the abnormal pin shaft diameter due to the abnormal chain plate aperture and bright belt.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the anti-mixing middle chain plate detection device comprises a control unit and a detection unit which are arranged on an assembly machine, wherein the control unit comprises a first proximity switch, a second proximity switch and a third proximity switch, the third proximity switch is fixedly arranged on one side of the rear end surface of a main arm of the assembly machine through a supporting piece, the bottom end of the supporting piece is fixedly connected with the upper surface of bottom steel of the assembly machine, a strip-shaped groove penetrating through the top end of the main arm is formed in the rear end surface of the main arm, an induction head of the third proximity switch extends into the strip-shaped groove and is matched with the groove wall of the strip-shaped groove, and the third proximity switch is normally open and is electrically connected with an electromagnetic clutch of the assembly machine; the first proximity switch and the second proximity switch are both arranged on the front end surface of the main arm;
the detection unit comprises a first detection mechanism and a second detection mechanism;
the first detection mechanism comprises a first fixed seat and a first probe group which is arranged on the front end surface of the main arm along the vertical direction through the first fixed seat, the upper end of the first probe group is matched with an induction head of a first proximity switch for use, and the lower end of the first probe group is matched with the top end of a pin shaft of an outer single section of a chain segment of an outer chain plate which is only assembled at the lower end of the assembly machine;
the second detection mechanism comprises a second fixed seat and a second probe group which is arranged on the front end surface of the main arm along the vertical direction through the second fixed seat, the upper end of the second probe group is matched with an induction head of a second proximity switch for use, and the lower end of the second probe group is matched with the top end of a pin shaft of a chain segment of an outer chain plate on which the upper end is already arranged on the assembly machine;
the first probe group and the second probe group respectively comprise 2 probes matched with the pin shaft of the detected chain link, the first proximity switch comprises a first proximity switch A and a first proximity switch B matched with the 2 probes, and the second proximity switch comprises a second proximity switch A and a second proximity switch B matched with the 2 probes;
the first proximity switch and the second proximity switch are both of a normally open type; the first proximity switch A, the first proximity switch B, the second proximity switch A and the second proximity switch B are electrically connected with an electromagnetic clutch of the assembly machine in series; the third proximity switch is connected with the first proximity switch and the second proximity switch in parallel; when the main arm is not pressed down, the upper ends of the first probe group and the second probe group are respectively separated from the sensing areas of the first proximity switch and the second proximity switch, the distance between the upper end of the first probe group and the sensing head of the first proximity switch is a first distance, the distance between the upper end of the second probe group and the sensing head of the second proximity switch is a second distance, the first distance and the second distance are the same, and the lower ends of the first probe group and the second probe group are flush in the horizontal direction; when the main arm is pressed down, the lower ends of the first probe group and the second probe group are matched with the top end of a normally assembled pin shaft, and under the extrusion of the top end of the pin shaft, the upper ends of the first probe group and the second probe group simultaneously and respectively enter the sensing areas of the first proximity switch and the second proximity switch;
when the main arm is not pressed down, the distance from the induction head of the third proximity switch to the top end of the strip-shaped groove is a third distance, after the main arm is pressed down, the upper ends of the first probe group and the second probe group simultaneously enter the induction areas of the first proximity switch and the second proximity switch respectively, the downward distance of the main arm is a fourth distance, and the third distance is equal to the fourth distance;
the chain segments are of a multi-row chain structure and are pushed to the upper surface of the bottom steel in a side-standing mode through a guide rail on an assembling machine.
Preferably, the control unit and the detection unit are matched with the operating frequency of the main arm to detect the outer link plate of each outer single link of the detected chain segment.
Preferably, bottom steel A is arranged below the chain segment of the outer chain plate only assembled at the lower end, a first groove is formed in the position, corresponding to the lower end of the first probe group, of the bottom steel A, and the groove wall, facing the advancing direction of the chain segment, of the first groove is of a slope structure.
Preferably, bottom steel B is arranged below the chain segment of the outer chain plate with the upper end installed, a second groove is formed in the position, corresponding to the lower end of the second probe group, of the bottom steel B, and the groove wall, facing the advancing direction of the chain segment, of the second groove is of a slope structure.
Preferably, the width and length of the first groove are greater than the diameter of the pin shaft of the detected chain segment; the width of the second groove is larger than the width of the outer single section of the detected chain segment, and the length of the second groove is larger than the length of the outer single section of the detected chain segment.
Preferably, the first probe group and the second probe group have the same structure, the probe comprises a sleeve A, a sleeve B, an upper probe core and a lower probe core, the upper end of the sleeve A is provided with a joint A, the lower end of the sleeve A is provided with a joint B, the joint B is inserted and locked at the upper end of the sleeve B through a spring fastener, a sliding cavity A is arranged in the joint B, the lower end of the sliding cavity A is communicated with a sliding cavity B arranged in the sleeve B, the sliding cavity B penetrates through the lower end face of the sleeve B along the axis of the sleeve B, the upper end of the sleeve B is provided with a sliding cavity C, the joint B is inserted in the sliding cavity C, the surface of the outer wall of the joint B is provided with the spring fastener, the sliding cavity C is provided with a lock hole penetrating through the surface of the outer wall of the sleeve B, the upper end of the sliding cavity A is connected with a sliding cavity D, the sliding cavity D penetrates through the top end of the sleeve A along the axis of the sleeve A, the inner diameter of the sliding, the inner diameter of the sliding cavity D is the same as that of the sliding cavity B, an upper probe core and a lower probe core are arranged in the probe, end blocks are arranged at the tops of the upper probe core and the lower probe core, the outer side surfaces of the end blocks of the upper probe core and the lower probe core are abutted and accommodated in the sliding cavity A, a compression spring is arranged between the end block of the upper probe core and the upper end groove wall of the sliding cavity A, the end block is connected with the sliding cavity A in a sliding way, the upper probe core and the lower probe core are respectively connected with the sliding cavity D and the sliding cavity B in a sliding way, when not being subjected to external extrusion force, the end parts of the lower probe core and the upper probe core are respectively exposed out of the lower port of the lower sleeve and the outer side of the upper port of the upper sleeve, and the lower end face of the end block of the lower probe core is abutted against the groove wall at the lower end of the sliding cavity A, the end part of the upper probe core is matched with the induction head of the first proximity switch, and the end part of the lower probe core is matched with the top end of the pin shaft.
Preferably, the outer diameter of the upper probe core and the outer diameter of the lower probe core are 50% -80% of the diameter of the pin shaft of the detected chain segment.
Preferably, the elastic force of the compression spring is 20-70% of the external single-joint pressing force.
Preferably, the first proximity switch, the second proximity switch and the third proximity switch are all electrically connected with indicator lamps.
The anti-mixing middle chain plate detection device has the following beneficial effects:
the invention utilizes the characteristic that the pin shaft and the outer chain plate in the same specification are in interference fit and the pin shaft and the middle chain plate are in clearance fit, uses a simple mechanical structure and is matched with the proximity switch to carry out full inspection on the outer chain plate and the middle chain plate in the assembly stage of the assembly machine, ensures that the outer chain plate and the middle chain plate are mixed and have poor '0' outflow, has simple structure and the same frequency with the assembly machine, ensures the efficiency and ensures the product quality.
Drawings
FIG. 1: the main arm of the invention is not pressed down;
FIG. 2: the main arm of the invention is in a structure schematic diagram during downward pressing detection;
FIG. 3: the side view structure schematic diagram of the main arm of the invention when not pressed down;
FIG. 4: a front view and a schematic cross-sectional structure of the probe of the present invention;
1: main arm, 2: first fixing seat, 3: second fixing seat, 4: first probe set, 5: first proximity switch, 6: second proximity switch, 7: second probe set, 8: segment, 9: bottom steel B, 10 bottom steel a, 11: second groove, 12: first groove, 13: second fixing member, 14: first fixing member, 15: third fixing member, 16: third proximity switch, 17: strip groove, 18: guide rail, 19: support, 41: lower probe core, 42: upper probe core, 43: sleeve a, 431: joint a, 432: linker B, 433: slide chamber D, 44: snap fastener, 45: lock hole, 46: sleeve B, 461: linker C, 462: slide chamber C, 463: slide chamber B, 47: compression spring, 48: end block, 51: first proximity switch a, 52: first proximity switch B, 61: second proximity switch a, 62: second proximity switch B, 71: second lower probe core, 81: the top end of the pin shaft.
Detailed Description
In the following, embodiments of the present invention are described in detail in a stepwise manner, which is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, the present invention is not to be construed as being limited thereto.
Examples 1,
An anti-mixing middle chain plate detection device is shown in figures 1-3 and comprises a control unit and a detection unit which are arranged on an assembly machine, wherein the control unit comprises a first proximity switch 5, a second proximity switch 6 and a third proximity switch 16, the third proximity switch 16 is fixedly arranged on one side of the rear end surface of a main arm 1 of the assembly machine through a support piece 19, the bottom end of the support piece 19 is fixedly connected with the upper surface of bottom steel of the assembly machine, a strip-shaped groove 17 penetrating through the top end of the main arm is arranged on the rear end surface of the main arm 1, an induction head of the third proximity switch 16 extends into the strip-shaped groove 17 and is matched with the groove wall of the strip-shaped groove 17, and the third proximity switch 16 is of a normally open type and is electrically connected with an electromagnetic clutch of the assembly machine; the first proximity switch 5 and the second proximity switch 6 are both arranged on the front end surface of the main arm 1; the assembly machine is a chain assembly machine, in particular to a multi-row chain assembly machine;
the detection unit comprises a first detection mechanism and a second detection mechanism; the first detection mechanism is used for detecting only the chain segment of the lower outer chain plate to detect whether the middle chain plate is mixed in the lower outer chain plate; the second detection mechanism is used for detecting the chain segment provided with the upper outer chain plate so as to detect whether the middle chain plate is mixed in the upper outer chain plate;
as shown in fig. 1 and 2, the first detection mechanism comprises a first fixed seat 2 and a first probe group 4 vertically mounted on the front end surface of the main arm 1 through the first fixed seat 2, wherein the upper end of the first probe group 4 is matched with an induction head of a first proximity switch 5 for use, and the lower end of the first probe group 4 is matched with the top end 81 of a pin shaft of an outer single section of a chain segment of an outer chain plate only provided with the lower end on the assembling machine;
as shown in fig. 1 and 2, the second detection mechanism comprises a second fixed seat 3 and a second probe group 7 mounted on the front end surface of the main arm 1 along the vertical direction through the second fixed seat 3, wherein the upper end of the second probe group 7 is matched with an induction head of the second proximity switch 6 for use, and the lower end of the second probe group is matched with the top end 81 of a pin shaft of a chain segment of an outer chain plate on which the upper end is already mounted on the assembly machine;
the first probe set 4 and the second probe set 7 respectively comprise 2 probes matched with the pins of the detected chain links, the first proximity switch 5 comprises a first proximity switch A51 and a first proximity switch B52 matched with the 2 probes respectively, and the second proximity switch 6 comprises a second proximity switch A61 and a second proximity switch B62 matched with the 2 probes respectively;
as shown in fig. 1 and 2, the first proximity switch 5 and the second proximity switch 6 are both of a normally open type; the first proximity switch A51, the first proximity switch B52, the second proximity switch A61 and the second proximity switch B62 are electrically connected with an electromagnetic clutch of the assembly machine in series; the third proximity switch is connected with the first proximity switch and the second proximity switch in parallel; when the main arm 1 is not pressed down, the upper ends of the first probe group 4 and the second probe group 7 are respectively separated from the sensing areas of the first proximity switch 5 and the second proximity switch 6, the distance between the upper end of the first probe group 4 and the sensing head of the first proximity switch 5 is a first distance, the distance between the upper end of the second probe group 7 and the sensing head of the second proximity switch 6 is a second distance, the first distance and the second distance are the same, and the lower ends of the first probe group 4 and the second probe group 7 are flush in the horizontal direction; when the main arm 1 is pressed down, the lower ends of the first probe group 4 and the second probe group 7 are matched with the top end 81 of a normally assembled pin shaft, and under the extrusion of the top end 81 of the pin shaft, the upper ends of the first probe group 4 and the second probe group 7 simultaneously enter the sensing areas of the first proximity switch 5 and the second proximity switch 6 respectively;
when the main arm 1 is not pressed down, the distance from the induction head of the third proximity switch 16 to the top end of the strip-shaped groove 17 is a third distance, after the main arm 1 is pressed down, the upper ends of the first probe group 4 and the second probe group 7 simultaneously enter the induction areas of the first proximity switch 5 and the second proximity switch 6 respectively, the descending distance of the main arm 1 is a fourth distance, and the third distance is equal to the fourth distance;
the specific setting of the first distance to the fourth distance can ensure that the upper ends of the first probe group 4 and the second probe group 7 simultaneously enter the sensing areas of the first proximity switch 5 and the second proximity switch 6 respectively when the main arm 1 is pressed down and the sensing head of the third proximity switch 16 is separated from the strip-shaped groove 17 in the normal chain segment detection, so that the assembling machine can keep a working state; on the contrary, if only the upper end of the first probe group 4 or the upper end of the second probe group 7 enters the induction area, the assembly machine loses power and cannot work continuously due to the series connection relationship of the first probe group and the second probe group, the phenomenon that a middle chain plate is mixed is prompted, the machine needs to be stopped for maintenance, and the mixed position is the detected chain segment position;
as shown in fig. 1 to 3, the chain segments have a multi-row chain structure and are pushed to the upper surface of the bottom steel in a side-standing mode through a guide rail 18 on an assembling machine; since the guide rail 18 is a prior art, it is only schematically shown and will not be described in detail.
Examples 2,
On the basis of embodiment 1, the present embodiment is further improved, specifically:
the control unit and the detection unit are matched with the action frequency of the main arm 1 to detect the outer chain plate of each outer single section of the detected chain segment; the detection of each outer chain plate can be ensured by synchronizing with the action of the main arm 1, so that the probability of mixing the middle chain plate into the outer chain plates of the chain segment is reduced to 0;
as shown in fig. 1 and 2, a bottom steel a10 is arranged below a chain segment of an outer chain plate only assembled at the lower end, a first groove 12 is arranged on the bottom steel a10 corresponding to the lower end of the first probe group 4, and the groove wall of the first groove 12 at one side facing the advancing direction of the chain segment is of a slope structure;
as shown in fig. 1 and 2, a bottom steel B9 is arranged below the chain segment of the outer link plate on which the upper end is already installed, a second groove 11 is formed in the bottom steel B9 at a position corresponding to the lower end of the second probe group 7, and the groove wall of the second groove 11 at one side facing the advancing direction of the chain segment is of a slope structure;
the width and the length of the first groove 12 are larger than the diameter of a pin shaft of the detected chain segment; the width of the second groove 11 is greater than the width of the outer single section of the detected chain segment, and the length of the second groove 11 is greater than the length of the outer single section of the detected chain segment;
through setting up first recess 12 and second recess 11, when can making main arm 1 push down, the round pin axle of sneaking into the drag chain board obtains down space to reduce the resistance to the lower extreme of first probe group 4 or second probe group 7, the slope structure can avoid the round pin axle to block when the chain segment is marchd simultaneously, because the round pin axle of sneaking into the drag chain board does not have the resistance to the lower extreme of first probe group 4 or second probe group 7 almost, the event can not lead to the upper end entering induction zone of first probe group 4 or second probe group 7, consequently, the unable switch-on of circuit of assembly machine leads to shutting down.
Examples 3,
The embodiment is further improved on the basis of the above embodiment, and specifically includes:
as shown in fig. 4, the first probe group 4 and the second probe group 7 have the same structure, the probe includes a sleeve a43, a sleeve B46, an upper probe core 42 and a lower probe core 41, the upper end of the sleeve a43 is provided with a joint a431, the lower end is provided with a joint B432, the joint B432 is inserted and locked at the upper end of a sleeve B46 through a snap fastener 44, a sliding cavity a is arranged in the joint B432, the lower end of the sliding cavity a is communicated with a sliding cavity B463 arranged in the sleeve B46, the sliding cavity B463 penetrates through the lower end face of the sleeve B46 along the axis of the sleeve B46, the upper end of the sleeve B46 is provided with a sliding cavity C462, the joint B432 is inserted in the sliding cavity C462, the outer wall surface of the joint B432 is provided with a snap fastener 44, the sliding cavity C462 is provided with a lock hole 45 penetrating through the outer wall surface of the sleeve B46, the upper end of the sliding cavity a is connected with a sliding cavity D433, the sliding cavity D433 penetrates through the top end of the sleeve a43 along the axis of the, the inner diameter of the sliding cavity A is larger than that of the sliding cavity D433, the inner diameter of the sliding cavity D433 is the same as that of the sliding cavity B463, an upper probe core 42 and a lower probe core 41 are arranged in the probe, end blocks 48 are arranged at the tops of the upper probe core 42 and the lower probe core 41, the outer side surfaces of the end blocks 48 of the upper probe core 42 and the lower probe core 41 are abutted and accommodated in the sliding cavity A, a compression spring 47 is further arranged between the end block 48 of the upper probe core 42 and the upper end groove wall of the sliding cavity A, the end blocks 48 are connected with the sliding cavity A in a sliding mode, the upper probe core 42 and the lower probe core 41 are respectively connected with the sliding cavity D433 and the sliding cavity B463 in a sliding mode, when external extrusion force is not applied, the end portions of the lower probe core 41 and the upper probe core 42 are respectively exposed out of the lower port of the lower sleeve 46 and the upper end opening of the upper sleeve 43, and the lower end surface of the end block 48 of the lower probe core 41 is abutted against the groove wall of the lower end block A, the end part of the upper probe core 42 is matched with an induction head of the first proximity switch 5, and the end part of the lower probe core 41 is matched with the top end 81 of the pin shaft; similarly, the structure and coordination of the second probe set 7 can be known, and are not described in detail.
Examples 4,
The embodiment is further improved on the basis of the above embodiment, and specifically includes:
the outer diameters of the upper probe core 42 and the lower probe core 41 are 50% -80% of the diameter of the detected chain segment pin shaft, and the preferred embodiment is 60%;
the elasticity of the compression spring 47 is 20-70% of the external single-joint pressing force; in this embodiment, the elastic force is preferably 50%, under which the pin shaft mixed into the outer single link of the middle link plate cannot overcome the elastic force of the compression spring 47, and therefore, the lower end of the first probe group 4 or the second probe group 7 is ejected into the corresponding first groove 12 or the second groove 11, which causes the power-off and shutdown of the assembly machine;
the first proximity switch 5, the second proximity switch 6 and the third proximity switch 16 are all electrically connected with indicator lamps; when the upper end of first probe group 4 or second probe group 7 got into the induction zone, corresponding pilot lamp was lighted, can make the audio-visual detection process that observes of staff, when not lightening, the suggestion appears the well link joint and sneaks into.
The use principle of the invention is as follows:
in the process before chain riveting, as the pin shaft and the outer chain plate are in interference fit, the compression spring 47 can contract under the pressure of the lower end of the first probe group 4 or the second probe group 7, as shown in fig. 4 and 2, the upper end of the probe core of the first probe group 4 or the second probe group 7 can enter the corresponding induction area after contraction, and the first probe group 4 or the second probe group 7 is in series connection, so that only when the two probe cores enter the induction area at the same time, the circuit of the assembly machine can be kept in a connected state, otherwise, the machine can be stopped, and when the machine is stopped, the outer chain plate at the outer single section corresponding to the probe core is inspected to find the mixed middle chain plate before leaving the factory, so that the outer chain plate can be found in advance before the product and replaced.
Furthermore, first probe group 4 and second probe group 7 all contain 2 probes, and when the lower probe core of arbitrary probe detected the round pin axle of the outer single section of sneaking into the well link joint, all can't overcome compression spring 47's elasticity, made the unable corresponding induction zone that gets into of the top of the last probe core of this probe, lead to the assembly machine outage.
Claims (9)
1. The utility model provides a prevent mixing well link joint detection device which characterized in that: the detection device comprises a control unit and a detection unit which are arranged on an assembly machine, wherein the control unit comprises a first proximity switch, a second proximity switch and a third proximity switch, the third proximity switch is fixedly arranged on one side of the rear end surface of a main arm of the assembly machine through a supporting piece, the bottom end of the supporting piece is fixedly connected with the upper surface of bottom steel of the assembly machine, a strip-shaped groove penetrating through the top end of the main arm is formed in the rear end surface of the main arm, an induction head of the third proximity switch extends into the strip-shaped groove and is matched with the groove wall of the strip-shaped groove, and the third proximity switch is normally open and is electrically connected with an electromagnetic clutch of the assembly machine; the first proximity switch and the second proximity switch are both arranged on the front end surface of the main arm;
the detection unit comprises a first detection mechanism and a second detection mechanism;
the first detection mechanism comprises a first fixed seat and a first probe group which is arranged on the front end surface of the main arm along the vertical direction through the first fixed seat, the upper end of the first probe group is matched with an induction head of a first proximity switch for use, and the lower end of the first probe group is matched with the top end of a pin shaft of an outer single section of a chain segment of an outer chain plate which is only assembled at the lower end of the assembly machine;
the second detection mechanism comprises a second fixed seat and a second probe group which is arranged on the front end surface of the main arm along the vertical direction through the second fixed seat, the upper end of the second probe group is matched with an induction head of a second proximity switch for use, and the lower end of the second probe group is matched with the top end of a pin shaft of a chain segment of an outer chain plate on which the upper end is already arranged on the assembly machine;
the first probe group and the second probe group respectively comprise 2 probes matched with the pin shaft of the detected chain link, the first proximity switch comprises a first proximity switch A and a first proximity switch B matched with the 2 probes, and the second proximity switch comprises a second proximity switch A and a second proximity switch B matched with the 2 probes;
the first proximity switch and the second proximity switch are both of a normally open type; the first proximity switch A, the first proximity switch B, the second proximity switch A and the second proximity switch B are electrically connected with an electromagnetic clutch of the assembly machine in series; the third proximity switch is connected with the first proximity switch and the second proximity switch in parallel; when the main arm is not pressed down, the upper ends of the first probe group and the second probe group are respectively separated from the sensing areas of the first proximity switch and the second proximity switch, the distance between the upper end of the first probe group and the sensing head of the first proximity switch is a first distance, the distance between the upper end of the second probe group and the sensing head of the second proximity switch is a second distance, the first distance and the second distance are the same, and the lower ends of the first probe group and the second probe group are flush in the horizontal direction; when the main arm is pressed down, the lower ends of the first probe group and the second probe group are matched with the top end of a normally assembled pin shaft, and under the extrusion of the top end of the pin shaft, the upper ends of the first probe group and the second probe group simultaneously and respectively enter the sensing areas of the first proximity switch and the second proximity switch;
when the main arm is not pressed down, the distance from the induction head of the third proximity switch to the top end of the strip-shaped groove is a third distance, after the main arm is pressed down, the upper ends of the first probe group and the second probe group simultaneously enter the induction areas of the first proximity switch and the second proximity switch respectively, the downward distance of the main arm is a fourth distance, and the third distance is equal to the fourth distance;
the chain segments are of a multi-row chain structure and are pushed to the upper surface of the bottom steel in a side-standing mode through a guide rail on an assembling machine.
2. The anti-mixing middle link plate detection device as claimed in claim 1, wherein: the control unit and the detection unit are matched with the action frequency of the main arm to detect the outer chain plate of each outer single section of the detected chain segment.
3. The anti-mixing middle link plate detection device as claimed in claim 2, wherein: and only the lower part of the chain segment of the outer chain plate at the lower end is provided with bottom steel A, a first groove is formed in the position, corresponding to the lower end of the first probe group, of the bottom steel A, and the groove wall of one side, facing the advancing direction of the chain segment, of the first groove is of a slope structure.
4. The anti-mixing middle link plate detection device as claimed in claim 3, wherein: and bottom steel B is arranged below the chain segment of the outer chain plate with the upper end installed, a second groove is formed in the position, corresponding to the lower end of the second probe group, of the bottom steel B, and the groove wall, facing the advancing direction of the chain segment, of the second groove is of a slope structure.
5. The anti-mixing middle link plate detection device as claimed in claim 4, wherein: the width and the length of the first groove are larger than the diameter of a pin shaft of the detected chain segment; the width of the second groove is larger than the width of the outer single section of the detected chain segment, and the length of the second groove is larger than the length of the outer single section of the detected chain segment.
6. The anti-mixing middle chain plate detection device as claimed in any one of claims 1 to 5, wherein: the first probe group and the second probe group have the same structure, the probe comprises a sleeve A, a sleeve B, an upper probe core and a lower probe core, the upper end of the sleeve A is provided with a joint A, the lower end of the sleeve A is provided with a joint B, the joint B is inserted and locked at the upper end of the sleeve B through a spring fastener, a sliding cavity A is arranged in the joint B, the lower end of the sliding cavity A is communicated with a sliding cavity B arranged in the sleeve B, the sliding cavity B penetrates through the lower end face of the sleeve B along the axis of the sleeve B, the upper end of the sleeve B is provided with a sliding cavity C, the joint B is inserted in the sliding cavity C, the outer wall surface of the joint B is provided with the spring fastener, the sliding cavity C is provided with a lock hole penetrating through the outer wall surface of the sleeve B, the upper end of the sliding cavity A is connected with a sliding cavity D, the sliding cavity D penetrates through the top end of the sleeve A along the axis of the sleeve A, and the inner diameter of the sliding cavity A, the inner diameter of the sliding cavity D is the same as that of the sliding cavity B, an upper probe core and a lower probe core are arranged in the probe, end blocks are arranged at the tops of the upper probe core and the lower probe core, the outer side surfaces of the end blocks of the upper probe core and the lower probe core are abutted and accommodated in the sliding cavity A, a compression spring is arranged between the end block of the upper probe core and the upper end groove wall of the sliding cavity A, the end block is connected with the sliding cavity A in a sliding way, the upper probe core and the lower probe core are respectively connected with the sliding cavity D and the sliding cavity B in a sliding way, when not being subjected to external extrusion force, the end parts of the lower probe core and the upper probe core are respectively exposed out of the lower port of the lower sleeve and the outer side of the upper port of the upper sleeve, and the lower end face of the end block of the lower probe core is abutted against the groove wall at the lower end of the sliding cavity A, the end part of the upper probe core is matched with the induction head of the first proximity switch, and the end part of the lower probe core is matched with the top end of the pin shaft.
7. The anti-mixing middle link plate detection device as claimed in claim 6, wherein: the outer diameters of the upper probe core and the lower probe core are 50% -80% of the diameter of the chain segment pin shaft to be detected.
8. The anti-mixing middle link plate detection device as claimed in claim 6, wherein: the elastic force of the compression spring is 20-70% of the external single-joint pressing force.
9. The anti-mixing middle chain plate detection device as claimed in any one of claims 1-5, 7 and 8, wherein: the first proximity switch, the second proximity switch and the third proximity switch are all electrically connected with indicator lamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010939505.XA CN111965710A (en) | 2020-09-09 | 2020-09-09 | Anti-mixing middle chain plate detection device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010939505.XA CN111965710A (en) | 2020-09-09 | 2020-09-09 | Anti-mixing middle chain plate detection device |
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| CN111965710A true CN111965710A (en) | 2020-11-20 |
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| CN202010939505.XA Pending CN111965710A (en) | 2020-09-09 | 2020-09-09 | Anti-mixing middle chain plate detection device |
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| CN209356637U (en) * | 2018-12-12 | 2019-09-06 | 扬州新菱电器有限公司 | A kind of device of quick detection control and protective switch attachment auxiliary contact on-off |
| CN212433429U (en) * | 2020-09-09 | 2021-01-29 | 青岛征和工业股份有限公司 | Anti-mixing middle chain plate detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205147214U (en) * | 2015-11-25 | 2016-04-13 | 青岛征和工业股份有限公司 | Chain assembly machine compounding detection device |
| CN205342399U (en) * | 2016-01-29 | 2016-06-29 | 武汉心浩智能科技有限公司 | Screw rod notch probe detection device |
| CN209356637U (en) * | 2018-12-12 | 2019-09-06 | 扬州新菱电器有限公司 | A kind of device of quick detection control and protective switch attachment auxiliary contact on-off |
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