CN114308724A - Screw rod check out test set - Google Patents
Screw rod check out test set Download PDFInfo
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- CN114308724A CN114308724A CN202111605982.3A CN202111605982A CN114308724A CN 114308724 A CN114308724 A CN 114308724A CN 202111605982 A CN202111605982 A CN 202111605982A CN 114308724 A CN114308724 A CN 114308724A
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Abstract
The utility model relates to a screw rod check out test set, it is including the body, be provided with feed arrangement, transmission device, screw rod check out test set and be used for the unloader of unloading that are used for the feeding on the body, transmission device is used for transmitting detection device's detection department with the bolt, detection device is including setting up the mainboard on the body lateral wall, it has a plurality of detection pieces that are used for detecting the screw rod straightness that hangs down to slide on the mainboard, and is a plurality of threaded connection has same lead screw on the detection piece, be provided with reverse screw thread on the lead screw, make a plurality of the direction that detection piece court is close to each other or keeps away from slides, the lead screw runs through the body lateral wall and with body lateral wall threaded connection, the cover is equipped with first bearing on the lead screw, first bearing outer lane is provided with the connecting plate, be provided with the fixture who is used for clamping screw on the connecting plate. This application has the effect that makes things convenient for staff's adjustment to detect piece and fixture's position.
Description
Technical Field
The application relates to the field of screw rod detection, especially to a screw rod check out test set.
Background
Along with the development of our country's society, mechanical equipment is more and more developed, and mechanical equipment's quality and precision are all higher and more, so the quality requirement of the bolt that is used for constituteing mechanical equipment is also higher and more, and the screw rod straightness that hangs down of bolt is an important index, and screw rod check out test set is the equipment that detects the screw rod quality.
The screw detection device comprises a body, a vibration disc for feeding and a feeding rail thereof are arranged on the body, a transmission turntable and a rotating motor for driving the transmission turntable to rotate are also arranged on the body, a plurality of transmission grooves for clamping bolts penetrate through the transmission turntable, screws penetrate through the transmission grooves, and the nut will block on the transmission carousel lateral wall, still be provided with the detection device who is used for detecting the screw rod straightness that hangs down on the body, detection device is including the mainboard and be used for the cover on the nut and pivoted electric screwdriver, there are a plurality of detection pieces that are used for contradicting on the screw rod through bolt threaded connection on the mainboard, install the sensor that is used for detecting the atress condition and distance on the detection piece, still be provided with on the body and be used for stabilizing the fixture of centre gripping with the screw rod, fixture passes through bolt threaded connection on the body lateral wall, the transmission carousel is used for changeing the bolt to fixture's position.
With respect to the related art among the above, the inventors consider that the following drawbacks exist: when the length of the screw rod to be detected changes, the worker needs to adjust the distance between the detection pieces by adjusting the bolt on the main board, and the worker also needs to adjust the clamping height of the clamping mechanism on the body by adjusting the bolt on the clamping mechanism, so that the operation is complex.
Disclosure of Invention
In order to improve the more loaded down with trivial details problem of operation that the staff adjusted detection piece and fixture position, this application provides a screw rod check out test set.
The application provides a screw rod check out test set adopts following technical scheme:
the utility model provides a screw rod check out test set, includes the body, be provided with feed arrangement, transmission device, screw rod check out test set and be used for the unloader of unloading that are used for the feeding on the body, transmission device is used for transmitting detection device's detection department with the bolt, detection device is including setting up the mainboard on the body lateral wall, it has a plurality of detection pieces that are used for detecting the screw rod straightness that hangs down to slide on the mainboard, and is a plurality of threaded connection has same lead screw on the detection piece, be provided with reverse screw thread on the lead screw, make a plurality of the direction that detection piece court is close to each other or keeps away from slides, the lead screw runs through the body lateral wall and with body lateral wall threaded connection, the cover is equipped with first bearing on the lead screw, first bearing outer lane is provided with the connecting plate, be provided with the fixture who is used for the clamping screw on the connecting plate.
By adopting the technical scheme, when the length of the screw rod to be detected is reduced, a worker rotates the screw rod, the detection pieces slide towards the mutually approaching direction through the reverse threads on the screw rod, the screw rod is in threaded connection with and penetrates through the side wall of the body and ascends towards the direction far away from the side wall of the body, when the screw rod ascends, the connecting plate ascends under the action of the first bearing, the connecting plate ascends to drive the clamping mechanism to ascend, at the moment, the detection pieces and the clamping mechanism ascend, the position adjustment is completed, the operation of the worker is facilitated, and the screw rod can be rotated only by controlling the screw rod; when the control screw rod rotates in the opposite direction, the detection piece and the clamping mechanism will descend.
Optionally, the connecting plate and the detection piece are distributed on two sides of the side wall of the body, a through hole is formed in the side wall of the body in a penetrating mode, the clamping mechanism penetrates through the through hole, and the clamping mechanism is abutted to and attached to the inner wall of the through hole.
Through adopting above-mentioned technical scheme, touch the laminating through fixture and perforation inner wall for fixture is more stable, has reduced fixture and has produced the probability of rocking in the course of the work, makes fixture can grasp the screw rod more accurately, has reduced because of fixture's rocking does not grasp the screw rod, thereby the probability of the straightness that hangs down of erroneous judgement screw rod has improved fixture's stability and precision.
Optionally, the clamping mechanism comprises a lifting cylinder arranged on the connecting plate, an output shaft of the lifting cylinder penetrates through the through hole, a plurality of clamping plates are rotated on the end portion, far away from the connecting plate, of the output shaft of the lifting cylinder, the clamping plates are used for clamping the screw rod, a motor used for controlling the rotation of the clamping plates is arranged on the output shaft of the lifting cylinder, and elastic strips are arranged between the clamping plates.
By adopting the technical scheme, when the screw rod needs to be clamped by the clamping plates, the motor controls the plurality of clamping plates to rotate towards the direction far away from the lifting cylinder, so that the screw rod is clamped between the plurality of clamping plates; when the screw rod will be followed and rocked between the adjacent splint and go out, the screw rod will contradict on the elasticity strip, and the elasticity strip will shorten along with the rotation of adjacent splint to make the screw rod press from both sides smoothly between a plurality of splint, reduced the screw rod and rocked the influence to the centre gripping, make splint can be more smooth and easy carry out the centre gripping with the screw rod.
Optionally, the mainboard is provided with a sliding groove, the detection piece is provided with a sliding block which is inserted into the sliding groove and slides in the sliding groove, the length direction of the sliding groove extends along the length direction of the screw rod, the sliding groove is provided with a limiting groove on two side walls facing each other, the length direction of the limiting groove extends along the length direction of the sliding groove, and the sliding block is provided with a limiting block which is inserted into the limiting groove and slides in the limiting groove.
Through adopting above-mentioned technical scheme, slide in the spout through the slider, it is spacing to detect the slip of piece on the mainboard, slide at the spacing inslot through the stopper, further it is spacing to detect the slip of piece on the mainboard, the probability that the detection piece rocked when sliding on the mainboard has been reduced, it rocks and leads to the lead screw to rock still to have reduced the detection piece, thereby influence the probability of splint work, make detection piece and lead screw more stable at the during operation.
Optionally, the discharging device comprises a discharging gun and a storage box, wherein a guide groove for guiding the sliding of the screw rod is formed in the storage box, the guide groove extends from the side wall of the storage box close to the discharging gun to the side wall of the storage box far away from the discharging gun, the muzzle of the discharging gun faces the guide groove, a guide inclined plane is arranged in the storage box and is connected with the inner wall of the guide groove, a storage groove is arranged in the storage box, and the guide inclined plane is used for guiding the screw rod sliding to the bottom end of the guide groove to slide into the storage groove.
Through adopting above-mentioned technical scheme, come to detect qualified bolt unloading to the guiding groove in through the unloading rifle, the guide of rethread guiding groove makes the bolt slide to the storage incasement portion, when the bolt strikes the storage case and keeps away from on the lateral wall of unloading rifle, the bolt will break away from in the guiding groove because vibrations, will slide into the storage tank under the guide on guide inclined plane this moment, the guiding groove has played the effect of direction to the slip of bolt, the length direction of the bolt that makes the slip into the storage tank all moves towards same direction, rethread guide inclined plane income storage tank, thereby the effect of arrangement has been played to the bolt of unloading, the orientation that makes the bolt in the storage tank is unified, the work load of staff arrangement bolt has been reduced, staff's work efficiency has been improved.
Optionally, the guide inclined plane is provided with a plurality of guide grooves for guiding the screw cap to slide, a distance between the two guide grooves is equal to a length of the screw rod, the guide groove farthest from the blanking gun is located at an end of the guide groove far away from the blanking gun, and the guide grooves are communicated with the guide groove.
Through adopting above-mentioned technical scheme, break away from and when the bolt slided on the guide inclined plane from the guiding groove, the nut will slide in the guide groove to orientation when further sliding the bolt has carried on spacingly, has reduced the probability that the bolt takes place the slope when sliding on the guide inclined plane, makes the orientation of the bolt of sliding in the stock chest more neatly unified.
Optionally, be provided with a plurality of guide strips on the guide inclined plane, a plurality of guide strip presss from both sides the guide groove in the centre, the length direction of guide strip extends along the length direction of guide groove, the distance between the tip of blanking gun is kept away from to the guide strip and the storage case and is kept away from the lateral wall of blanking gun is at least for the nut adds the length of screw rod.
By adopting the technical scheme, the guide grooves are clamped in the middle through the guide strips, so that the bolts slide between the guide strips, the probability that the bolts slide out of the guide grooves and fall off is reduced, and the bolts slide in the guide grooves more smoothly; the distance between the end part far away from the blanking gun through the guide strip and the side wall far away from the blanking gun through the storage box is at least the length of the nut and the screw, so that the bolt can slide into the storage tank through the guide inclined plane when sliding onto the end part far away from the blanking gun through the guide groove, and the influence of the guide strip on the sliding of the bolt into the storage tank is reduced.
Optionally, the cover is equipped with the second bearing on the lead screw, the second bearing outer lane is provided with the feeler lever, the tip lateral wall that keeps away from the second bearing of feeler lever is contradicted on storage case diapire, the storage case is and rotates the setting, blanking gun, conflict pole and storage case axis of rotation are distributed in proper order.
Through adopting above-mentioned technical scheme, when the lead screw rotated and made self rise, the lead screw would drive the second bearing and rise, and the second bearing would drive to the feeler lever and rise, and the conflict pole would withstand storage case and rotate up to subtract the distance between the bolt of having shortened storage case and unloading, make in the bolt that length is shorter can slide smoothly into the storage case, make the unloading of bolt more smooth and easy.
In summary, the present application includes at least one of the following beneficial technical effects:
when the length of the screw rod to be detected is reduced, a worker rotates the screw rod, the detection pieces slide towards the direction close to each other through reverse threads on the screw rod, the screw rod is in threaded connection with and penetrates through the side wall of the body, the screw rod rises towards the direction far away from the side wall of the body, when the screw rod rises, the connecting plate rises under the action of the first bearing, the connecting plate rises to drive the clamping mechanism to rise, and the detection pieces and the clamping mechanism rise at the moment, so that the position adjustment is completed, the operation of the worker is facilitated, and the screw rod can be rotated only by controlling the screw rod; when the control screw rod rotates in the opposite direction, the detection piece and the clamping mechanism will descend.
Come to detect qualified bolt unloading to the guiding groove through the unloading rifle in, the guide of rethread guiding groove makes the bolt slide to the storage incasement portion, when the bolt strikes the storage case and keeps away from on the lateral wall of unloading rifle, the bolt will break away from in the guiding groove because vibrations, will slide in the storage silo at the guide on guide inclined plane this moment, the guiding groove has played the effect of direction to the slip of bolt, the length direction who makes the bolt that slides in the storage case all moves towards same direction, rethread guide inclined plane income storage silo, thereby the effect of arrangement has been played to the bolt of unloading, the orientation of the bolt in the messenger's storage silo is unified, the work load of staff arrangement bolt has been reduced, staff's work efficiency has been improved.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 2 is a schematic structural view of the connection plate.
FIG. 3 is a schematic view showing a part of the magazine.
Description of reference numerals: 1. a body; 11. perforating; 12. a chute; 13. a slider; 14. a limiting groove; 15. a limiting block; 2. a feeding device; 21. a transmission device; 22. a transmission turntable; 23. a transmission slot; 3. a detection device; 31. a main board; 32. a detection member; 33. a screw rod; 34. a first bearing; 35. a connecting plate; 36. a clamping mechanism; 361. a splint; 362. an elastic strip; 4. a blanking device; 41. a blanking gun; 42. a material storage box; 43. a guide groove; 44. a guide ramp; 45. a storage tank; 46. a guide groove; 47. a guide strip; 48. a second bearing; 49. against the rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses screw rod check out test set. Referring to fig. 1, the screw rod detection equipment comprises a body 1, wherein a feeding device 2, a transmission device 21, a detection device 3 and a blanking device 4 are installed on the body 1, the feeding device 2, the transmission device 21, the detection device 3 and the blanking device 4 are used for feeding, the transmission device 21 is used for transmitting bolts to a detection position of the detection device 3, and after the detection of the detection device 3 is finished, the blanking device 4 carries out blanking on qualified bolts.
Referring to fig. 1, feed arrangement 2 is including vibrating disk and the transmission rail that is used for transmitting the bolt to transmission device 21, and transmission device 21 is including installing the rotation motor on body 1, rotates and installs transmission carousel 22 on the motor output shaft, and transmission carousel 22 is parallel arrangement with body 1 lateral wall, and it has the transmission groove 23 that is used for the joint nut to run through on transmission carousel 22 border, and the screw rod passes transmission groove 23.
Referring to fig. 1, detection device 3 is including mainboard 31 of fixed connection on the 1 lateral wall of body, and the length direction of mainboard 31 extends along the direction of perpendicular 1 lateral wall of body, and it has two detection pieces 32 that are used for detecting the screw rod straightness that hangs down to slide on mainboard 31, and the length direction of the length direction perpendicular to mainboard 31 of detection piece 32, and two detection pieces 32 are parallel arrangement each other, and the tip of detection piece 32 is used for contradicting on the screw rod, and installs the sensor that detects tip atress size on the detection piece 32.
Referring to fig. 2, a sliding groove 12 is formed in the main board 31, a sliding block 13 inserted into the sliding groove 12 and sliding on the detection piece 32 is fixedly connected, an outer side wall of the sliding block 13 abuts against and is attached to an inner wall of the sliding groove 12, and a length direction of the sliding groove 12 extends along a length direction of the main board 31 and penetrates through the main board 31. The both sides wall that spout 12 faced each other all has seted up spacing groove 14, and the length direction of spacing groove 14 extends and runs through mainboard 31 along the length direction of spout 12, and equal fixedly connected with inserts and slides stopper 15 at spacing inslot 14 on the both sides wall that slider 13 was faced each other back of the body, and stopper 15's lateral wall is contradicted with the laminating with the inner wall of spacing groove 14.
Referring to fig. 1 and 2, the two detecting members 32 are connected to the same screw rod 33 through threads, the screw rod 33 is provided with reverse threads, and the two detecting members 32 are respectively located on different threads of the screw rod 33, so that the two detecting members 32 slide in a direction of approaching or separating from each other. The screw rod 33 penetrates through the side wall of the body 1 and is in threaded connection with the side wall of the body 1. The screw 33 is sleeved with a first bearing 34, the inner ring of the first bearing 34 is fixed on the outer side wall of the screw 33, the outer ring of the first bearing 34 is fixedly connected with a connecting plate 35, and a clamping mechanism 36 for clamping a screw is installed on the connecting plate 35.
Referring to fig. 1 and 2, connecting plate 35 and detection piece 32 distribute in the both sides of body 1 lateral wall, and it has perforation 11 to run through on the body 1 lateral wall, and fixture 36 runs through perforation 11 including fixed connection at the connecting plate 35 on the lateral wall towards detection piece 32, and the output shaft of lift cylinder runs through perforation 11, and the conflict of lift cylinder output shaft lateral wall is laminated on perforation 11 inner wall. The lifting cylinder output shaft is kept away from on the tip of connecting plate 35 and is rotated and have a plurality of splint 361, and when a plurality of splint 361 rotated towards the direction of keeping away from the lifting cylinder, a plurality of splint 361 would grasp the screw rod jointly, installs on the output shaft of lifting cylinder to be used for controlling splint 361 pivoted motor, equal fixedly connected with elastic strip 362 between the adjacent splint 361.
Referring to fig. 1 and 3, the discharging device 4 includes a discharging gun 41 and a storage box 42, the discharging gun 41 is installed on the body 1 and located above the transmission turntable 22, in this embodiment, the discharging gun 41 is an air gun, a guide groove 43 for guiding a lead screw to slide is formed on the storage box 42, a muzzle of the discharging gun 41 aligns with the guide groove 43 on the storage box 42, and a certain height difference is formed between a side wall of the transmission turntable 22 for clamping a nut and the guide groove 43.
Referring to fig. 3, the guide groove 43 extends from the side wall of the magazine 42 close to the blanking gun 41 to the side wall of the magazine 42 away from the blanking gun 41, and the guide groove 43 is entirely inclined toward the inside of the magazine 42 so that the bolt slides along the guide groove 43 into the magazine 42. A guiding inclined plane 44 is arranged in the storage box 42, the guiding inclined plane 44 is connected with the inner wall of the guiding groove 43, a storage trough 45 is arranged in the storage box 42, the guiding inclined plane 44 is used for guiding a screw rod sliding to the end part, far away from the blanking gun 41, of the guiding groove 43 to slide into the storage trough 45, a bolt slides from the guiding groove 43 to collide against the side wall, far away from the blanking gun 41, of the storage box 42, and then slides into the storage trough 45 along with the guiding inclined plane 44.
Referring to fig. 3, a plurality of guide grooves 46 for guiding the nut to slide are formed in the guide slope 44, the guide grooves 46 are all communicated with the guide grooves 43, the guide grooves 46 are arranged in parallel, the guide grooves 46 are used for adapting to bolts with different lengths, the distance between the two guide grooves 46 is equal to the length of the bolt, and the guide groove 46 farthest from the blanking gun 41 is located at the end portion, away from the blanking gun 41, of the guide groove 43. So that the nut slides along the guiding groove 46 in the process of sliding into the storage groove 45 regardless of whether the nut slides down or up.
Referring to fig. 3, two guide bars 47 are fixedly connected to the guide slope 44, the guide groove 43 is sandwiched by the two guide bars 47, the length direction of the guide bars 47 extends along the length direction of the guide groove 43, and the distance between the end of the guide bar 47 far away from the blanking gun 41 and the side wall of the storage box 42 far away from the blanking gun 41 is at least the length of the nut and the screw, so that the screw can slide into the storage groove 45 from the clamping of the two guide bars 47.
Referring to fig. 1 and 2, the screw 33 is further sleeved with a second bearing 48, an inner ring of the second bearing 48 is fixedly connected to the outer side wall of the screw 33, an outer ring of the second bearing 48 is fixedly connected with a touch rod 49, the end side wall of the touch rod 49, which is far away from the second bearing 48, is touched on the bottom wall of the storage box 42, the storage box 42 is rotatably arranged, and the end of the touch rod 49, which is far away from the second bearing 48, is touched on the side wall of the storage box 42, which is between the rotation axis of the storage box 42 and the feeding gun 41.
The implementation principle of the screw rod detection equipment in the embodiment of the application is as follows: when the screw length that needs to detect reduces, the staff rotates lead screw 33, through the reverse screw thread on the lead screw 33, make a plurality of detection piece 32 slide towards the direction that is close to each other, through lead screw 33 with run through perforation 11 and threaded connection, make lead screw 33 rise towards the direction of keeping away from body 1 lateral wall, when lead screw 33 ascends, because the effect of first bearing 34, make connecting plate 35 rise, connecting plate 35 rises and will drive the lift cylinder and rise, the lift cylinder rises and will drive splint 361 and rise, lead screw 33 rises and still will drive second bearing 48 and rise simultaneously, and second bearing 48 rises and will drive and support feeler lever 49 and rise, this moment support feeler lever 49 and will withstand storage case 42 and rotate.
When the screw length that needs to detect increases, the staff rotates lead screw 33, reverse screw thread on through lead screw 33, make a plurality of detection piece 32 slide towards the direction of keeping away from each other, through lead screw 33 with run through perforation 11 and threaded connection, make lead screw 33 descend, because the effect of first bearing 34, make connecting plate 35 descend, connecting plate 35 descends and will drive lift cylinder and descend, lift cylinder descends and will drive splint 361 and descend, lead screw 33 descends still will drive second bearing 48 and descend simultaneously, and second bearing 48 descends and will drive and touch pole 49 descends, storage tank 42 will rotate downwards this moment and touch on touch pole 49.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a screw rod check out test set, including body (1), be provided with feed arrangement (2), transmission device (21), detection device (3) and the unloader (4) that is used for the unloading that are used for the feeding on body (1), transmission device (21) are used for transmitting the bolt to detection device's (3) detection department, its characterized in that: detection device (3) are including setting up mainboard (31) on body (1) lateral wall, it has a plurality of detection pieces (32) that are used for detecting the screw rod straightness that hangs down to slide on mainboard (31), and is a plurality of threaded connection has same lead screw (33) on detection piece (32), be provided with reverse screw on lead screw (33), make a plurality of detection piece (32) are close to each other or the direction of keeping away from is slided towards, lead screw (33) run through body (1) lateral wall and with body (1) lateral wall threaded connection, the cover is equipped with first bearing (34) on lead screw (33), first bearing (34) outer lane is provided with connecting plate (35), be provided with fixture (36) that are used for clamping screw on connecting plate (35).
2. A screw detecting apparatus according to claim 1, wherein: connecting plate (35) and detection piece (32) distribute in the both sides of body (1) lateral wall, it has perforation (11) to run through on body (1) lateral wall, fixture (36) run through in perforation (11), fixture (36) contradict with perforation (11) inner wall and laminate.
3. A screw detecting apparatus according to claim 2, wherein: fixture (36) is including setting up the lift cylinder on connecting plate (35), the output shaft of lift cylinder runs through perforation (11), it has a plurality of splint (361) to rotate on the tip of connecting plate (35) is kept away from to lift cylinder output shaft, splint (361) are used for the clamping screw, be provided with on the output shaft of lift cylinder and be used for controlling splint (361) pivoted motor, it is adjacent be provided with elastic strip (362) between splint (361).
4. A screw detecting apparatus according to claim 1, wherein: be provided with spout (12) on mainboard (31), be provided with on detection piece (32) and insert and slide slider (13) in spout (12), the length direction of spout (12) extends along the length direction of lead screw (33), all be provided with spacing groove (14) on the both sides wall that spout (12) faced each other, the length direction of spacing groove (14) extends along the length direction of spout (12), be provided with on slider (13) and insert and slide stopper (15) in spacing groove (14).
5. A screw detecting apparatus according to claim 1, wherein: unloader (4) are including unloading rifle (41) and storage case (42), be formed with on storage case (42) and be used for leading the gliding guiding groove (43) of lead screw, guiding groove (43) extend to storage case (42) and keep away from on the lateral wall of unloading rifle (41) from the lateral wall that storage case (42) are close to unloading rifle (41), the muzzle of unloading rifle (41) is towards guiding groove (43), be provided with guide inclined plane (44) in storage case (42), guide inclined plane (44) link to each other with guiding groove (43) inner wall, be provided with storage silo (45) in storage case (42), guide inclined plane (44) are used for guiding the screw rod that slides to guiding groove (43) bottom and slide into in storage silo (45).
6. The screw detecting apparatus according to claim 5, wherein: the guide inclined plane (44) is provided with a plurality of guide grooves (46) for guiding the screw cap to slide, the distance between the two guide grooves (46) is equal to the length of the screw rod, the guide groove (46) farthest from the blanking gun (41) is positioned at the end part of the guide groove (43) far away from the blanking gun (41), and the guide grooves (46) are communicated with the guide groove (43).
7. The screw detecting apparatus according to claim 5, wherein: the guide inclined plane (44) is provided with a plurality of guide strips (47), the guide strips (47) clamp the guide grooves (43) in the middle, the length direction of the guide strips (47) extends along the length direction of the guide grooves (43), and the distance between the end part of each guide strip (47) far away from the blanking gun (41) and the side wall of the storage box (42) far away from the blanking gun (41) is at least the length of the nut and the screw.
8. The screw detecting apparatus according to claim 5, wherein: the cover is equipped with second bearing (48) on lead screw (33), second bearing (48) outer lane is provided with and supports feeler lever (49), the tip lateral wall that keeps away from second bearing (48) to support feeler lever (49) is contradicted on storage case (42) diapire, storage case (42) are to rotate the setting, unloading rifle (41), conflict pole (49) and storage case (42) axis of rotation are distributed in proper order.
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| CN202111605982.3A CN114308724B (en) | 2021-12-25 | 2021-12-25 | Screw rod check out test set |
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| CN202111605982.3A CN114308724B (en) | 2021-12-25 | 2021-12-25 | Screw rod check out test set |
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