CN218691679U - Screw length screening device - Google Patents
Screw length screening device Download PDFInfo
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- CN218691679U CN218691679U CN202222945398.9U CN202222945398U CN218691679U CN 218691679 U CN218691679 U CN 218691679U CN 202222945398 U CN202222945398 U CN 202222945398U CN 218691679 U CN218691679 U CN 218691679U
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Abstract
The utility model relates to a screw length sieving mechanism, including detecting the seat and all installing sieving mechanism, moving material device, length detection device, sorting unit, cleaning device on detecting the seat. The material moving device is connected with the screening device; the length detection device is arranged opposite to the material moving device and the screening device and is used for detecting the length of the screw on the material moving device; the sorting device is positioned below the material moving device and is provided with a sorting hole and a discharging hole; the cleaning device is arranged opposite to the material moving device and the sorting device. The screw length detection device comprises a feeding station, a detection station and a sorting station; when the material moving device is in a material loading station, screws enter the material moving device and the screening device; when the material moving device is at the detection station, the length detection device detects the length of the screw; when the material moving device is at a sorting station, the sorting device sends the designated screws into the discharge holes or sends the non-designated screws into the sorting holes, and the cleaning device cleans the screws. The device has simple structure and accurate screw sorting.
Description
Technical Field
The utility model relates to an automatic lock screw device, especially a screw length sieving mechanism.
Background
The automatic screw locking device sends screws into the screw screwing device through the vibration feeding device, and the screw screwing device automatically screws the screws on a product. The screws used by the automatic screw locking device are screws with the same specification, but mixing accidents can occur in actual production, operators often mix the same screws which are direct and have different lengths, particularly the screws with the lengths different from 1-5 mm which can not be seen by naked eyes, under the condition that the lengths of the screws are higher in requirement, the lengths of the screws are short, so that the connection of products is unreliable, the lengths of the screws are long, so that the assembly of the products is failed or the screw holes of the products are damaged, and the quality of the products is seriously influenced. Therefore, how to ensure the consistent length of the screws entering the screw screwing device and further ensure the product quality is a problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a can automated inspection screw length, make the screw length who gets into the wrong screw device unanimous, guarantee product quality's a screw length sieving mechanism, concrete technical scheme is:
a screw length screening device comprising: a detection seat; the screening device is mounted on the detection seat, and the material moving device is mounted on the detection seat and connected with the screening device; the length detection device is arranged on the detection seat, is opposite to the material moving device and the screening device, and is used for detecting the length of a screw on the material moving device; the sorting device is arranged on the detection seat and is positioned below the material moving device, and a sorting hole and a discharging hole are formed in the sorting device; the screw length detection device comprises a feeding station, a detection station and a sorting station; when the material moving device is arranged at the feeding station, screws enter the material moving device and the screening device; when the material moving device is at the detection station, the length detection device detects the length of the screw; when the material moving device is at the sorting station, the sorting device sends the designated screws into the discharge holes or sends the non-designated screws into the sorting holes.
Preferably, the screening device is provided with a screening groove and a screw passing hole arranged on the screening groove, and the screw passing hole is used for sending screws into the sorting hole or the discharging hole.
Further, the material moving device comprises: the material moving seat is slidably mounted on the detection seat and is connected with the screening device, a material moving hole for inserting a screw is formed in the material moving seat, and the material moving hole is communicated with the screening groove; and the material moving cylinder is a multi-station cylinder, and is connected with the material moving seat and used for driving the material moving seat to switch among the feeding station, the detection station and the sorting station.
Preferably, the device further comprises positioning devices, wherein the positioning devices are respectively installed at two ends of the detection seat, are arranged opposite to the material moving seat and are used for adjusting the position of the material moving seat.
Preferably, the device further comprises a vacuum suction device, wherein the vacuum suction device is installed on the detection seat, is opposite to the material moving device and is used for vacuum suction at the feeding station.
Preferably, the length detecting means includes: the positioning air cylinder is arranged on the detection seat and is opposite to the screening device; the detection cylinder is arranged on the detection seat; the displacement sensor is arranged on the detection cylinder and is opposite to the positioning cylinder; the positioning cylinder is used for pressing screws on the screening device, and the detection cylinder is used for driving the displacement sensor to detect the length of the screws.
Preferably, the sorting apparatus comprises: the separation air cylinder is arranged on the detection seat; and the sorting block is provided with a sorting hole and a discharge hole, is connected with the sorting cylinder, and is also positioned below the material moving device.
The screw blowing cleaning device is characterized by further comprising a cleaning device, wherein the cleaning device is installed on the detection seat, is arranged opposite to the material moving device and the sorting device, and is used for blowing air to clean the screws when the sorting device sends the designated screws into the discharge holes.
Preferably, the screw discharging device further comprises a discharging detection device, wherein the discharging detection device is installed on the discharging hole and used for detecting the discharging of the screw.
Preferably, the screw feeder further comprises a feeding detection device, wherein the feeding detection device is mounted on the detection seat and used for detecting feeding of the screws.
Compared with the prior art the utility model discloses following beneficial effect has:
the utility model provides a pair of screw length sieving mechanism passes through length detection device and detects screw length, gets rid of the screw of non-specified length through sorting unit, guarantees to get into the screw length of twisting the screw device unanimously, has guaranteed the quality of product to simple structure, screw are selected separately accurately, reliably. Whether a screw is sent out or not is detected through the discharging sensor, so that faults are prevented, and the reliability and the stability of operation are improved. The cleaning device is used for cleaning the screws, so that the quality of the product is effectively guaranteed, and the qualification rate of the product is improved.
Drawings
FIG. 1 is a schematic structural view of a screw length screening device;
FIG. 2 is a cross-sectional view of a screw length screening device;
FIG. 3 is a front view of a screw length screening apparatus with side dams and a detection head plate hidden;
FIG. 4 is an exploded view of a screw length screening device;
FIG. 5 is a schematic structural view of the transfer base;
FIG. 6 is a cross-sectional view of the transfer shoe;
FIG. 7 is a schematic view of the construction of the screening apparatus;
fig. 8 is a schematic diagram of the structure of the sorting block.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings.
The screening device 3 is matched with the material moving device to enable screws to sequentially pass through each station, the length of the screws is detected through the length detection device, the length of the screws can be accurately detected through the displacement sensor 54, the screws with non-specified lengths are conveyed into the collecting material box through the separation holes 413 through the separation device, and the screws with specified lengths are conveyed into the screw screwing device through the discharge holes 414. When the designated screw is fed into the discharge hole 414, the cleaning device blows air to perform high-pressure air blowing on the designated screw, so that cleaning is realized, and feeding is assisted.
As shown in fig. 1 to 8, a screw length screening device comprises a detection base 1, a screening device 3, a material moving device, a length detection device, a sorting device and a cleaning device, wherein the screening device 3, the material moving device, the length detection device, the sorting device and the cleaning device are all mounted on the detection base 1. The material moving device is connected with the screening device 3; the length detection device is arranged opposite to the material moving device and the screening device 3 and is used for detecting the length of the screw on the material moving device; the sorting device is positioned below the material moving device, and is provided with a sorting hole 413 and a discharging hole 414; the cleaning device is arranged opposite to the material moving device and the sorting device. The screw length detection device comprises a feeding station, a detection station and a sorting station; when the material moving device is in a material loading station, screws enter the material moving device and the screening device 3; when the material moving device is at the detection station, the length detection device detects the length of the screw; when the material moving device is at the sorting station, the sorting device sends the designated screws into the discharging holes 414 or sends the non-designated screws into the sorting holes 413, and the cleaning device cleans the screws.
Specifically, the detection seat 1 includes a detection top plate 11, a detection bottom plate 12, a front end plate 13, a rear end plate 14 and side baffles 15, the front end plate 13 and the rear end plate 14 are respectively fixed at two ends of the detection top plate 11 and the detection bottom plate 12, and the side baffles 15 are located at two sides of the detection top plate 11 and the detection bottom plate 12. A guide pipe 15 is arranged on the detection top plate 11, the guide pipe 15 is connected with a feeding hose 16, and the guide pipe 15 enables a screw to vertically enter the material moving seat 21. Still be equipped with feeding detection device on the stand pipe 15, feeding detection device examines seat 17 and feeding sensor 18 including the feeding, and the feeding is examined seat 17 and is fixed on feeding hose 16, and feeding sensor 18 installs and examines on seat 17 is examined in the feeding, and the cover is on feeding hose 16 for whether detect there is the screw to get into.
The screening device 3 comprises two screening rods 31 which are symmetrically arranged, and two ends of each screening rod 31 are abutted against the front end plate 13 and the rear end plate 14 or fixed on the front end plate 13 and the rear end plate 14. A gap is reserved between the two screening rods 31, the gap forms a screening groove 32, the width of the screening groove 32 is slightly larger than the diameter of a screw or larger than the diameter of the screw and smaller than the diameter of a nut, the threaded rod of the screw is movably inserted into the screening groove 32, the nut of the screw slides on the screening groove 32, a screw passing hole 33 is formed in the screening rod 31, the diameter of the screw passing hole 33 is larger than the diameter of the nut of a designated screw, and the screw can conveniently enter the sorting hole 413 or the discharge hole 414. The adoption of the screening rod 31 makes the structure simple, the screw movement convenient and the processing convenient.
The material moving device comprises a material moving cylinder 22, a material moving seat 21, a positioning device and a material moving guide shaft 25. Two ends of the material moving guide shaft 25 are fixed on the front end plate 13 and the rear end plate 14, and two ends are provided. The material moving seat 21 is provided with a sliding hole 213 and a moving hole 212, the sliding hole 213 is slidably inserted on the material moving guide shaft 25, the material moving guide shaft 25 is used for guiding the material moving seat 21 to enable the material moving seat 21 to move according to a designated direction, and the moving hole 212 is slidably inserted on the screening rod 31. The material moving seat 21 is provided with a material moving hole 211, the diameter of the material moving hole 211 is larger than the diameter of a screw cap of a screw, the material moving hole 211 is communicated with the screening groove 32, and the axial line of the material moving hole 211 is coincided with the axial line of the screening groove 32. The material moving cylinder 22 is a multi-station cylinder and is fixed on the rear end plate 14, a piston rod of the material moving cylinder 22 is connected with the material moving seat 21 and used for driving the material moving seat 21 to be switched among a feeding station, a detection station and a sorting station, and the material moving hole 211 is coaxial with and communicated with the guide pipe 15 in the feeding station. The positioning device comprises a positioning screw 23 and a locking nut 24, the positioning screw 23 is installed on the front end plate 13 and the rear end plate 14 through threads, and the locking nut 24 is installed on the positioning screw 23 and used for locking the position of the positioning screw 23. The positioning screws 23 are located at two ends of the material moving base 21, and are arranged opposite to the material moving base 21, and are used for enabling the material moving hole 211 to be coaxial with the guide pipe 15 and enabling the material moving hole 211 to be coaxial with the discharging hole 414.
In order to ensure the reliability of feeding, the device further comprises a vacuum suction device, the vacuum suction device comprises a vacuum generator and a vacuum connector 71, the vacuum connector 71 is mounted on the detection bottom plate 12, the vacuum generator is respectively connected with the vacuum connector 71 and a high-pressure air source and used for generating vacuum, the vacuum suction is carried out, and screws are ensured to enter the material moving holes 211 of the material moving base 21.
The length detection device comprises a positioning cylinder 51, a detection cylinder 52 and a displacement sensor 54, wherein the positioning cylinder 51 is arranged on the detection top plate 11 and is opposite to the screening groove 32; the detection cylinder 52 is a double-shaft cylinder, the detection cylinder 52 is installed on the detection seat 1, the displacement sensor 54 is installed on a piston rod of the detection cylinder 52 through the first connecting seat 53, and a detection rod 541 of the displacement sensor 54 is located on the detection bottom plate 12 and is arranged opposite to the positioning cylinder 51. The positioning cylinder 51 is used for pressing the screw on the screening device 3, and the detection cylinder 52 is used for driving the displacement sensor 54 to detect the length of the screw.
The sorting device comprises a sorting cylinder 42, a sorting block 41 and a sorting guide shaft 48, wherein two ends of the sorting guide shaft 48 are respectively fixed on the front end plate 13 and the rear end plate 14, the sorting block 41 is slidably inserted on the sorting guide shaft 48, a sorting hole 413 and a discharging hole 414 are formed in the sorting block 41, a sorting hose 44 is installed on the sorting hole 413, and a discharging hose 43 is installed on the discharging hole 414. The sorting block 41 is further provided with a material sucking through hole 411 and a detection through hole 412, the sorting block 41 is located below the material moving seat 21, the material sucking through hole 411 is arranged opposite to the guide pipe 15, and the detection through hole 412 is arranged opposite to the displacement sensor 54. The sorting cylinder 42 is mounted on the rear end plate 14 and is located below the material moving cylinder 22.
Discharging hose 43 is equipped with ejection of compact detection device, and ejection of compact detection device examines seat 46 and ejection of compact sensor 47 including the ejection of compact, and the seat 46 is examined in the ejection of compact and installs on discharging hose 43, and ejection of compact sensor 47 installs and examines on seat 46 in the ejection of compact, and overlaps on discharging hose 43 for whether detect there is the screw to send out.
In order to prevent foreign matters from being adhered to the screws, the device also comprises a cleaning device, wherein the cleaning device comprises an air blowing joint 61 and an air blowing electromagnetic valve, and the air blowing joint 61 is arranged on the detection top plate 11 and is opposite to the sorting hole 413; the air blowing electromagnetic valve is connected with the air blowing connector 61 and a pressure regulating valve of a high-pressure air source and is used for blowing air to clean the screws when the sorting device sends the designated screws into the discharge holes 414.
When the pneumatic screw cleaning device works, the material moving cylinder 22 is in a retracting device, the material moving seat 21 is located at a feeding station, screws enter through the feeding hose 16, when the feeding sensor 18 detects that the screws enter, the material moving cylinder 22 is started, the screws enter the material moving holes 211 and are movably inserted into the screening grooves 32 between the two screening rods 31, the material moving cylinder 22 drives the material moving seat 21 and the screws to move to the detection station, the piston rod of the positioning cylinder 51 extends out, the piston rod of the positioning cylinder 51 presses the screws onto the screening grooves 32, then the piston rod of the detection cylinder 52 retracts, the detection cylinder 52 drives the displacement sensor 54 to move towards the detection seat 1, the detection rod 541 of the displacement sensor 54 firstly abuts against the screws, then the detection cylinder 52 of the displacement sensor 54 continuously rises, the detection rod 541 contacts with the bottom of the screws to form a section of compression amount X, the value of X is the length of the screws, if the value of X is an appointed value, the screws are indicated screws, otherwise, the screws are non-appointed screws, and if the material moving cylinder 22 drives the material moving seat 21 to continuously move to the bottom of the sorting station, the screws do not act, the screws enter the sorting station, the pneumatic screw cleaning device 33, and the screws enter the discharging holes and the pneumatic screw cleaning device is realized by the pneumatic blow air pressure of the pneumatic screw cleaning device, and the screws 33. If the screws are not designated, the sorting cylinder 42 is started, the sorting block 41 moves, the sorting hole 413 and the air blowing connector 61 are coaxial, then the material moving cylinder 22 is started, the material moving seat 21 moves to a position between the air blowing connector 61 and the sorting hole 413, the screws slide down from the screw passing holes 33 under the action of gravity and enter the sorting hose 44, and then fall into the collecting material box, and the non-designated screws are removed; at this time, the air blowing electromagnetic valve can be started to assist air blowing, so that the screws can be ensured to leave the material moving holes 211.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the claims of the present invention.
Claims (10)
1. A screw length screening device, characterized by comprising:
a detection seat (1);
a screening device (3), wherein the screening device (3) is arranged on the detection seat (1),
the material moving device is arranged on the detection seat (1) and is connected with the screening device (3);
the length detection device is arranged on the detection seat (1), is opposite to the material moving device and the screening device (3), and is used for detecting the length of a screw on the material moving device; and
the sorting device is arranged on the detection seat (1) and is positioned below the material moving device, and a sorting hole (413) and a discharging hole (414) are formed in the sorting device;
the screw length detection device comprises a feeding station, a detection station and a sorting station;
when the material moving device is arranged at the feeding station, screws enter the material moving device and the screening device (3);
when the material moving device is at the detection station, the length detection device detects the length of the screw;
when the material moving device is at the sorting station, the sorting device sends designated screws into the discharge holes (414) or sends non-designated screws into the sorting holes (413).
2. Screw length screening device according to claim 1, characterized in that the screening device (3) is provided with a screening slot (32) and a screw passing hole (33) arranged on the screening slot (32), the screw passing hole (33) is used for feeding screws into the sorting hole (413) or the discharge hole (414).
3. The screw length screening device according to claim 2, wherein the material moving device comprises:
the material moving seat (21) is slidably mounted on the detection seat (1) and is connected with the screening device (3), a material moving hole (211) for inserting a screw is formed in the material moving seat (21), and the material moving hole (211) is communicated with the screening groove (32); and
move material cylinder (22), move material cylinder (22) and be the multistation cylinder, move material cylinder (22) with move material seat (21) and be connected, be used for driving move material seat (21) and be in switch between material loading station, detection station and the sorting station.
4. The screw length screening device according to claim 3, further comprising positioning devices respectively installed at two ends of the detection seat (1) and arranged opposite to the material moving seat (21) for adjusting the position of the material moving seat (21).
5. The screw length screening device according to claim 1, further comprising a vacuum suction device, wherein the vacuum suction device is mounted on the detection seat (1), is opposite to the material moving device, and is used for vacuum suction at a feeding station.
6. The screw length screening apparatus according to any one of claims 1 to 5, wherein the length detecting means includes:
the positioning air cylinder (51), the positioning air cylinder (51) is installed on the detection seat (1) and is opposite to the screening device (3);
a detection cylinder (52), wherein the detection cylinder (52) is installed on the detection seat (1); and
a displacement sensor (54), wherein the displacement sensor (54) is arranged on the detection cylinder (52) and is opposite to the positioning cylinder (51);
the positioning air cylinder (51) is used for pressing screws on the screening device (3), and the detection air cylinder (52) is used for driving the displacement sensor (54) to detect the length of the screws.
7. A screw length screening apparatus according to any one of claims 1 to 5, wherein the sorting apparatus comprises:
a sorting cylinder (42), wherein the sorting cylinder (42) is installed on the detection seat (1); and
the sorting device comprises a sorting block (41), wherein a sorting hole (413) and a discharging hole (414) are formed in the sorting block (41), the sorting block is connected with a sorting cylinder (42), and the sorting block (41) is also located below the material moving device.
8. The screw length screening device according to claim 7, further comprising a cleaning device, wherein the cleaning device is mounted on the detection seat (1) and is arranged opposite to the material moving device and the sorting device, and is used for blowing and cleaning the screws when the sorting device sends the designated screws into the discharge holes (414).
9. Screw length screening device according to any one of claims 1 to 5, further comprising an outfeed detection device mounted on the outfeed aperture (414) for detecting the outfeed of screws.
10. Screw length screening device according to any one of claims 1 to 5, further comprising a feeding detection device mounted on the detection base (1) for detecting feeding of screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222945398.9U CN218691679U (en) | 2022-11-04 | 2022-11-04 | Screw length screening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222945398.9U CN218691679U (en) | 2022-11-04 | 2022-11-04 | Screw length screening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218691679U true CN218691679U (en) | 2023-03-24 |
Family
ID=85607982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222945398.9U Active CN218691679U (en) | 2022-11-04 | 2022-11-04 | Screw length screening device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218691679U (en) |
-
2022
- 2022-11-04 CN CN202222945398.9U patent/CN218691679U/en active Active
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