CN214865336U

CN214865336U - Blind rivet screening machine

Info

Publication number: CN214865336U
Application number: CN202120653314.7U
Authority: CN
Inventors: 蒋永雄; 杨保成
Original assignee: Shanghai Jingyang Fastener Manufacturing Co ltd
Current assignee: Shanghai Jingyang Fastener Manufacturing Co ltd
Priority date: 2021-03-31
Filing date: 2021-03-31
Publication date: 2021-11-26
Anticipated expiration: 2031-03-31

Abstract

The utility model relates to a blind rivet sieve separator belongs to the technical field of rivet, and it is including the vibration dish that is equipped with the discharge gate, the vibration dish is used for carrying blind rivet in proper order, the vibration dish is equipped with in discharge gate position department and is used for the centre gripping and carries blind rivet's conveying mechanism, the last response subassembly that is used for responding to blind rivet nut cap length, nut cap face diameter and nail core length that is equipped with of conveying mechanism still is including being used for the air blow gun that releases defective products. In this application, response subassembly detects blind rivet's nut length, cap face diameter and nail core length respectively to utilize the air blow gun to shift out defective product, can all screen blind rivet's nut length and nail core length, improved the precision of the blind rivet of selecting.

Description

Blind rivet screening machine

Technical Field

The application relates to the field of rivet technology, in particular to a blind rivet screening machine.

Background

The self-plugging rivet is a rivet for single-side riveting and is widely applied to products such as buildings, automobiles, ships, airplanes, machines and the like. In the production process of the blind rivet, the produced blind rivet is mixed with a plurality of defective products due to low precision of a machine, so the blind rivet needs to be screened after production.

Chinese patent with publication number CN210906962U discloses a blind rivet screening machine, which comprises a base and a vibration disc fixed on the base, wherein one side of the vibration disc is fixed with a hollow rivet receiving groove, one side of the hollow rivet receiving groove is sleeved with a collecting bag, the other side of the vibration disc is fixed with a track, a material blocking device is arranged on the track, and the other end of the track is provided with a material receiving frame. The utility model discloses a can be according to the diameter size and the length adjustment dam device of loosing core of self-plugging rivet cap face, filter the rivet of different specifications, compare than artifical screening, efficiency is faster, and the screening quality is higher.

To the correlation technique among the above-mentioned, the inventor thinks, this utility model can only select the rivet that the whole length of rivet and nut diameter are greater than standard size, and the rivet precision of selecting is lower.

SUMMERY OF THE UTILITY MODEL

In order to improve the screening precision to self-plugging rivet, the application provides a self-plugging rivet screening machine.

The application provides a pair of self-plugging rivet sieve separator adopts following technical scheme:

the utility model provides a blind rivet sieve separator, is including the vibration dish that is equipped with the discharge gate, the vibration dish is used for carrying in proper order blind rivet, the vibration dish is equipped with in discharge gate position department and is used for the centre gripping and carries blind rivet's conveying mechanism, the last response that is used for responding to that is equipped with of conveying mechanism the response subassembly of blind rivet head of a nail length, cap face diameter and nail core length still including being used for the air blow rifle that the defective products was released.

Through adopting above-mentioned technical scheme, the vibrating plate sends self-plugging rivet to conveying mechanism department in proper order, and conveying mechanism is at the in-process of carrying self-plugging rivet, and response subassembly detects self-plugging rivet's nut cap length, cap face diameter and nail core length to shift out defective goods through the air blow rifle, this sieve separator not only can filter self-plugging rivet's whole length, still can filter self-plugging rivet's nut cap length and nail core length respectively, has improved the precision of the self-plugging rivet of selecting to a certain extent.

Optionally, the conveying mechanism includes a first belt transmission assembly and a second belt transmission assembly which are used for clamping the blind rivet and driving the blind rivet to move, and further includes a supporting plate which is used for supporting the blind rivet, the first belt transmission assembly is arranged above the second belt transmission assembly, the first belt transmission assembly and the output end of the second belt transmission assembly are arranged at the position of the discharge port of the vibration disc, and the conveying direction of the conveying mechanism and the length direction of the supporting plate are arranged along the horizontal direction.

By adopting the technical scheme, the self-plugging rivet is clamped by the first belt transmission assembly and the second belt transmission assembly and is conveyed, the rivet core is positioned between the first belt transmission assembly and the second belt transmission assembly, and the self-plugging rivet moves towards the directions of the first belt transmission assembly and the second belt transmission assembly due to the acting force between the rivet core and the first belt transmission assembly as well as the acting force between the rivet core and the second belt transmission assembly, so that the rivet cap is lapped on the side surfaces of the first belt transmission assembly and the second belt transmission assembly, the center of the rivet cap is positioned on the same straight line, and the follow-up screening of the lengths of the rivet core and the rivet cap is facilitated.

Optionally, the vibration dish is equipped with the direction subassembly in discharge gate position department, the direction subassembly includes first guide rail and the second guide rail that is parallel to each other, just first guide rail is located second guide rail top, first guide rail with be equipped with between the second guide rail and be used for the confession blind rivet passes through's first passageway, the width of first passageway is less than the diameter of blind rivet cap face, first guide rail with the length direction of second guide rail all follows conveying mechanism's direction of delivery sets up.

Through adopting above-mentioned technical scheme, set up the direction subassembly in vibration dish discharge gate department, the vibration dish is when sending out self-plugging rivet in proper order for the core pin presss from both sides between first guide rail and second guide rail, tentatively prescribes a limit to self-plugging rivet's position, is convenient for more follow-up conveying to conveying mechanism with self-plugging rivet, prevents that self-plugging rivet from directly dropping when being followed vibration dish to conveying mechanism.

Optionally, the side walls of the first guide rail and the second guide rail opposite to each other are provided with second channels through which the cap surfaces of the blind rivets pass.

Through adopting above-mentioned technical scheme, the nail core passes through from the first passageway between first guide rail and the second guide rail, and the cap passes through from the second passageway, and first guide rail and second guide rail are to the centre gripping of cap, prevent that self-plugging rivet from dropping between first guide rail and the second guide rail because of gravity reason.

Optionally, the first belt drive assembly is arranged obliquely.

Through adopting above-mentioned technical scheme, set up first area transmission assembly slope, self-plugging rivet removes to first area transmission assembly and second area transmission assembly direction under the effect of gravity to the nut overlap joint of being convenient for more is on first area transmission assembly and second area transmission assembly.

Optionally, the second belt transmission assembly includes a second conveying belt, the sensing assembly includes two first travel switches respectively disposed on the two first detecting rods, the blind rivet passes between the two first detecting rods, the two first travel switches are respectively used for detecting lengths of a core and a nut of the blind rivet, one of the first detecting rods is disposed on one side of the width direction of the second conveying belt, the supporting plate is disposed on the other side of the width direction of the second conveying belt, the width direction of the supporting plate is arranged along the width direction of the second conveying belt, the other first detecting rod is disposed on the other side of the width direction of the supporting plate, the length direction of the two first detecting rods is perpendicular to the upper surface of the second conveying belt, and the first detecting rods are slidably connected with the supporting plate along the width direction of the supporting plate, the two first travel switches are electrically connected with the air blow gun, the air blow gun is arranged on one side, away from the second conveying belt, of the supporting plate, and the telescopic direction of the telescopic shaft of the air blow gun is arranged along the width direction of the supporting plate.

By adopting the technical scheme, according to the standard length of the rivet cap and the rivet core, the distance between the first detection rod close to the second conveying belt and one side of the second conveying belt far away from the support plate is adjusted to the corresponding position, the distance between the first detection rod close to the support plate and one side of the second conveying belt far away from the support plate is adjusted to the corresponding position, when the blind rivet passes through the space between the two first detection rods, if the length of the rivet core or the rivet cap is greater than the standard size, the first stroke switch senses the blind rivet, a signal is sent to start the air blow gun, the air blow gun blows the rivet cap or the blind rivet with the rivet core length greater than the standard size away from the second conveying belt, the positions of the two first detection rods can be adjusted according to the standard size of the blind rivet to be screened, and the application range of the screening machine is improved.

Optionally, the induction assembly further comprises a second detection rod and a second travel switch arranged on the second detection rod, the second travel switch is used for detecting the diameter of the cap surface of the blind rivet, the second detection rod is in sliding connection with the first detection rod along the length direction of the first detection rod, the second detection rod is in sliding connection with the first detection rod, the length direction of the second detection rod is arranged along the width direction of the support plate, and the second travel switch is electrically connected with the blowing gun.

By adopting the technical scheme, the distance between the second detection rod and the upper surface of the second conveying belt is adjusted according to the standard size of the diameter of the rivet cap, if the diameter of the rivet cap of the blind rivet to be detected is larger than the standard size, the second travel switch senses the blind rivet, a signal is sent out to start the air blowing gun, and the blind rivet with the diameter of the rivet cap larger than the standard size is blown away from the second conveying belt.

Optionally, a first collecting box for collecting defective products is arranged on one side, away from the supporting plate, of the second conveying belt, and a second collecting box for collecting qualified products is arranged at an output end of the second conveying belt.

By adopting the technical scheme, the defective products are blown into the first collecting box by the air blowing gun, and the qualified products are conveyed into the second collecting box by the conveying mechanism, so that the defective products can be conveniently recovered subsequently, and the qualified products can be utilized.

Optionally, a baffle is fixed on a side wall of the upper surface of the first collecting box far away from the second conveying belt.

By adopting the technical scheme, the situation that defective products drop on the ground due to overlarge blowing force of the air blowing gun is avoided by the arrangement of the baffle.

In summary, the present application includes at least one of the following beneficial technical effects:

1. according to the self-plugging rivet screening machine, the sensing assembly respectively detects the nut length, the nut surface diameter and the nut core length of the self-plugging rivet, and the defective product is removed by the aid of the air blowing gun, so that the whole length of the self-plugging rivet can be screened, the nut length and the nut core length of the self-plugging rivet can be screened respectively, and the precision of the screened self-plugging rivet is improved to a certain extent;

2. in this application, the side that the backup pad was kept away from in the second conveyer belt to the nut overlap joint, according to the standard length of nut and nail core, adjust the distance that is close to one side that the backup pad was kept away from to the first measuring stick and the second conveyer belt of second conveyer belt to and adjust the distance that is close to one side that the backup pad was kept away from to the first measuring stick and the second conveyer belt of backup pad, can adjust the position of two first measuring sticks according to the standard size of the self-plugging rivet that needs the screening, improved the application scope of this sieve separator.

Drawings

FIG. 1 is a schematic view of the overall structure of a blind rivet screening machine according to the present application;

FIG. 2 is a schematic view of the conveyor mechanism of FIG. 1;

fig. 3 is a schematic structural view of the support plate of fig. 1.

Description of reference numerals: 1. a vibrating pan; 2. a guide assembly; 21. a first guide rail; 22. a second guide rail; 3. a support frame; 4. a conveying mechanism; 41. a first belt drive assembly; 411. a first conveyor belt; 412. a first drive wheel; 413. a first driven wheel; 414. a first motor; 42. a second belt drive assembly; 421. a second conveyor belt; 422. a second drive wheel; 423. a second driven wheel; 424. a second motor; 43. a support plate; 5. an inductive component; 51. a first detection lever; 52. a first travel switch; 53. a second detection lever; 54. a second travel switch; 6. an air blow gun; 7. a first channel; 8. a second channel; 9. a fixing plate; 10. a support bar; 11. a slide bar; 12. a first sliding sleeve; 13. a second sliding sleeve; 14. a first collection box; 15. a second collection box; 16. a baffle plate; 17. self-plugging rivets.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses self-plugging rivet screening machine. Referring to fig. 1, the vibration disc comprises a vibration disc 1 provided with a discharge port, a guide assembly 2 is arranged at the position of the discharge port of the vibration disc 1, a support frame 3 is placed on one side of the discharge port of the vibration disc 1 on the ground, a conveying mechanism 4 used for clamping and conveying blind rivets 17 is arranged on the support frame 3, the output end of the conveying mechanism 4 is close to the guide assembly 2, an induction assembly 5 used for inducing the length of a core of the blind rivet 17, the length of a nut and the diameter of a nut surface and an air blow gun 6 used for moving out defective products are further arranged on the support frame 3; the vibratory disc 1 sequentially conveys the blind rivets 17 to the discharge hole, and sequentially adjusts the positions of the blind rivets 17 through the guide assembly 2 so as to be clamped and conveyed by the conveying mechanism 4, and in the conveying process of the conveying mechanism 4 for the blind rivets 17, the sensing assembly 5 sequentially detects the blind rivets 17 and blows the blind rivets 17 away through the air blowing gun 6.

Referring to fig. 1, the guide assembly 2 includes a first guide rail 21 and a second guide rail 22 fixed at a discharge port of the vibration plate 1 by screws, the first guide rail 21 is located above the second guide rail 22, the first guide rail 21 and the second guide rail 22 are arranged in parallel, two side walls of the first guide rail 21 and the second guide rail 22 in the width direction are located on the same plane, the length directions of the first guide rail 21 and the second guide rail 22 are arranged along the horizontal direction, the width directions of the first guide rail 21 and the second guide rail 22 are arranged in an inclined manner, in this embodiment, an included angle between the first guide rail 21 and the horizontal plane is 30 °, a first channel 7 for the blind rivet 17 to pass through is arranged between the first guide rail 21 and the second guide rail 22, and second channels 8 for the cap surface to pass through are arranged on the opposite side walls of the first guide rail 21 and the second guide rail 22; when the blind rivets 17 are sequentially sent out through the vibration disc 1, the blind rivets 17 are positioned between the first guide rail 21 and the second guide rail 22, one end of the rivet cap of the blind rivets 17 is higher than one end of the rivet core, under the vibration effect of the vibration disc 1, the rivet core passes through the first channel 7 and the second channel 8, and the rivet cap is adjusted to be positioned on the same straight line through the first guide rail 21 and the second guide rail 22.

Referring to fig. 2 and 3, a fixing plate 9 is fixed on the supporting frame 3 through screws, the fixing plate 9 is located on one side of the first guide rail 21 in the width direction, which is far away from the vibrating plate 1, the fixing plate 9 is arranged along the length direction of the first guide rail 21 in the length direction, the fixing plate 9 is arranged in an inclined manner, and the inclination angle of the fixing plate 9 is consistent with that of the first guide rail 21;

referring to fig. 1 and 2, the conveying mechanism 4 includes a first belt transmission assembly 41, a second belt transmission assembly 42 and a supporting plate 43, the first belt transmission assembly 41 is located above the second belt transmission assembly 42, the first belt transmission assembly 41 is located in the conveying direction of the second belt transmission assembly 42 and is arranged along the length direction of the first guide rail 21, the first belt transmission assembly 41 includes a first conveying belt 411, a first driving wheel 412, a first driven wheel 413 and a first motor 414, the first conveying belt 411 is simultaneously sleeved on the first driving wheel 412 and the first driven wheel 413, and the first conveying belt 411 is in a tensioned state, the second belt transmission assembly 42 includes a second conveying belt 421, a second driving wheel 422, a second driven wheel 423 and a second motor 424, the second conveying belt 421 is simultaneously sleeved on the second driving wheel 422 and the second driven wheel 423, and the second conveying belt 421 is in a tensioned state;

referring to fig. 1 and 2, the first motor 414 and the second motor 424 are both fixed to one end of the fixing plate 9 in the length direction close to the first guide rail 21 by screws, the first motor 414 and the second motor 424 are fixed to one side of the fixing plate 9 away from the first driving wheel 412, an output shaft of the first motor 414 penetrates through the fixing plate 9 and is coaxially and fixedly connected with the first driving wheel 412 through a rotating shaft, an output shaft of the second motor 424 penetrates through the supporting plate 43 and is coaxially and fixedly connected with the second driving wheel 422 through a rotating shaft, the rotation directions of the output shafts of the first motor 414 and the second motor 424 are arranged at equal speed in opposite directions, and the axes of the first driving wheel 412, the first driven wheel 413, the second driving wheel 422 and the second driven wheel 423 are perpendicular to the side wall of the fixing plate 9 in the width direction;

referring to fig. 1 and 2, end faces of the first driving wheel 412, the first driven wheel 413, the second driving wheel 422 and the second driven wheel 423 are located on the same plane, widths of the first conveying belt 411 and the second conveying belt 421 are the same, the supporting plate 43 is fixed on one side, close to the fixing plate 9, of the second conveying belt 421, an upper surface of the supporting plate 43 is flush with an upper surface of the second conveying belt 421, and a third channel for allowing the blind rivet 17 to pass through is arranged between the first conveying belt 411 and the second conveying belt 421; the core of the blind rivet 17 is located in the third passage, and is held between the first conveyor belt 411 and the second conveyor belt 421, and the cap surface is lapped on the side surfaces of the first conveyor belt 411 and the second conveyor belt 421, thereby conveying the blind rivet 17.

Referring to fig. 1 and 2, two support rods 10 are further fixed on the support frame 3 through screws, one support rod 10 is fixed on one side of the first conveyor belt 411 away from the fixed plate 9, the other support rod 10 is fixed on one side of the fixed plate 9 away from the first conveyor belt 411, a slide bar 11 is fixed between the two support rods 10, and the length direction of the slide bar 11 is arranged along the axial direction of the first driving wheel 412.

Referring to fig. 1 and 2, the sensing assembly 5 includes two first detecting rods 51 and two first travel switches 52, the sliding rod 11 is sleeved with two first sliding sleeves 12 and slidably connected along a length direction thereof, the two first detecting rods 51 are both fixed on the first sliding sleeves 12 by screws, the two first detecting rods 51 are both located at a lower end of the sliding rod 11, and a length direction of the two first detecting rods 51 is both perpendicular to the sliding rod 11, one of the first detecting rods 51 is located at a side of the first conveying belt 411 away from the fixing plate 9, the other first detecting rod 51 is located at a side of the fixing plate 9 close to the first conveying belt 411, and the two first travel switches 52 are respectively fixed on side walls of the two first detecting rods 51 close to the vibrating plate 1.

Referring to fig. 2, the sensing assembly 5 further includes a second detecting rod 53 and a second travel switch 54 located on the second detecting rod 53, the first detecting rod 51 located on one side of the first conveying belt 411 away from the fixing plate 9 is sleeved with the second sliding sleeve 13 and is connected to the first detecting rod in a sliding manner along the length direction of the first detecting rod, the second detecting rod 53 is fixed to the second sliding sleeve 13 through a screw, the length direction of the second detecting rod 53 is arranged along the axial direction of the first driving wheel 412, and the second travel switch 54 is fixed to the side wall of the second detecting rod 53 close to the vibrating tray 1.

Referring to fig. 2, a blowing gun 6 is fixed on the supporting frame 3 at a side of the fixing plate 9 far away from the first conveyer 411, a nozzle of the blowing gun 6 penetrates through the fixing plate 9, and the blowing gun 6 is electrically connected with the second travel switch 54 and the two first travel switches 52.

The implementation principle of the blind rivet screening machine in the embodiment of the application is as follows: when the device is used for screening blind rivets 17, the blind rivets 17 are placed in a vibrating tray 1, the vibrating tray 1 sequentially sends the blind rivets 17 to a first guide rail 21 and a second guide rail 22, the first guide rail 21 and the second guide rail 22 adjust the position of the blind rivets 17, a rivet core of the blind rivets 17 is positioned in a first channel 7, a rivet cap is positioned in a second channel 8, so that the rivet cap is positioned on the same straight line and is sent between a first conveyer belt 411 and a second conveyer belt 421 under the vibration action of the vibrating tray 1, the rivet cap is clamped by the first conveyer belt 411 and the second conveyer belt 421 to be conveyed forwards, the rivet cap is lapped on the side surfaces of the first conveyer belt 411 and the second conveyer belt 421, when the blind rivets 17 are conveyed to an induction assembly 5, if the length of the rivet core of the blind rivets 17, the length of the rivet cap and the diameter of the rivet face are respectively larger than the standard sizes, a first travel switch 52 or a second travel switch 54 starts the air blowing gun 6, the defective products are blown into the first collection box 14, while the qualified products pass between the two first detection rods 51 and are conveyed into the second collection box 15, and the blind rivets 17 are screened.

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

1. The utility model provides a blind rivet sieve separator, is including vibration dish (1) that is equipped with the discharge gate, vibration dish (1) are used for carrying blind rivet (17) in proper order, its characterized in that: the self-plugging rivet is characterized in that the vibration disc (1) is provided with a conveying mechanism (4) used for clamping and conveying the self-plugging rivet (17) at a discharge hole, the conveying mechanism (4) is provided with an induction component (5) used for inducing the nut length, the nut surface diameter and the nut core length of the self-plugging rivet (17), and the self-plugging rivet further comprises a blow gun (6) used for pushing out defective products.

2. A blind rivet screening machine according to claim 1, characterized in that: conveying mechanism (4) are including being used for the centre gripping self-plugging rivet (17) and drive self-plugging rivet (17) moving first area drive assembly (41) and second area drive assembly (42), still including being used for supporting backup pad (43) of self-plugging rivet (17), first area drive assembly (41) are located second area drive assembly (42) top, first area drive assembly (41) with the output of second area drive assembly (42) is all located vibration dish (1) discharge gate position department, conveying mechanism's (4) direction of delivery with the length direction of backup pad (43) all sets up along the horizontal direction.

3. A blind rivet screening machine according to claim 2, characterized in that: vibration dish (1) is equipped with direction subassembly (2) in discharge gate position department, direction subassembly (2) are including first guide rail (21) and second guide rail (22) that are parallel to each other, just first guide rail (21) are located second guide rail (22) top, first guide rail (21) with be equipped with between second guide rail (22) and be used for supplying first passageway (7) that self-plugging rivet (17) pass through, the width of first passageway (7) is less than the diameter of self-plugging rivet (17) cap face, first guide rail (21) with the length direction of second guide rail (22) all is followed the direction of delivery sets up of conveying mechanism (4).

4. A blind rivet screening machine according to claim 3, characterized in that: and the opposite side walls of the first guide rail (21) and the second guide rail (22) are provided with second channels (8) for the cap surfaces of the blind rivets (17) to pass through.

5. A blind rivet screening machine according to claim 2, characterized in that: the first belt transmission assembly (41) is arranged obliquely.

6. A blind rivet screening machine according to claim 2, characterized in that: the second belt transmission assembly (42) comprises a second conveying belt (421), the induction assembly (5) comprises two first detection rods (51) and two first travel switches (52) respectively arranged on the two first detection rods (51), the blind rivet (17) passes through the two first detection rods (51), the two first travel switches (52) are respectively used for detecting the lengths of a rivet core and a rivet cap of the blind rivet (17), one first detection rod (51) is arranged on one side of the width direction of the second conveying belt (421), the supporting plate (43) is arranged on the other side of the width direction of the second conveying belt (421), the width direction of the supporting plate (43) is arranged along the width direction of the second conveying belt (421), the other first detection rod (51) is arranged on the other side of the width direction of the supporting plate (43), two the length direction of first detection pole (51) with the upper surface vertical setting of second conveyer belt (421), first detection pole (51) with backup pad (43) are followed backup pad (43) width direction sliding connection, two first travel switch (52) with air blow gun (6) electricity is connected, air blow gun (6) are located backup pad (43) are kept away from one side of second conveyer belt (421), the flexible direction of the telescopic shaft of air blow gun (6) is followed backup pad (43) width direction sets up.

7. A blind rivet screening machine according to claim 6, characterized in that: the induction component (5) further comprises a second detection rod (53) and a second travel switch (54) arranged on the second detection rod (53), the second travel switch (54) is used for detecting the diameter of the cap surface of the blind rivet (17), the second detection rod (53) is far away from the supporting plate (43), the first detection rod (51) is connected with the first detection rod (51) in a sliding mode in the length direction, the second detection rod (53) is connected with the supporting plate (43) in a sliding mode in the length direction, and the second travel switch (54) is electrically connected with the air blowing gun (6).

8. A blind rivet screening machine according to claim 6, characterized in that: one side of the second conveying belt (421), which is far away from the supporting plate (43), is provided with a first collecting box (14) for collecting defective products, and the output end of the second conveying belt (421) is provided with a second collecting box (15) for collecting qualified products.

9. A blind rivet screening machine according to claim 8, characterized in that: and a baffle (16) is fixed on the side wall of the upper surface of the first collecting box (14) far away from the second conveying belt (421).