CN115090568B - Automatic screening mechanism of steel ball eddy current flaw detector - Google Patents
Automatic screening mechanism of steel ball eddy current flaw detector Download PDFInfo
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- CN115090568B CN115090568B CN202210824903.6A CN202210824903A CN115090568B CN 115090568 B CN115090568 B CN 115090568B CN 202210824903 A CN202210824903 A CN 202210824903A CN 115090568 B CN115090568 B CN 115090568B
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- steel ball
- rejecting
- conveying
- eddy current
- flaw detector
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
- B07C5/342—Sorting according to other particular properties according to optical properties, e.g. colour
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Sorting Of Articles (AREA)
Abstract
The invention discloses an automatic screening mechanism of a steel ball eddy current flaw detector, which comprises a workbench and a rejecting assembly for sorting steel balls. The workbench is provided with an eddy current flaw detector, a feeding assembly and a discharging assembly, and the rejecting assembly is arranged in the middle of the discharging assembly. The rejecting assembly comprises a conveying part for conveying the steel balls, a rejecting part for rejecting the steel balls with defects, an elastic part for recovering the positions of the rejecting part and a guide part for guiding the rejecting part to reject the defective steel balls. After the automatic screening mechanism of the steel ball eddy current flaw detector detects flaw detection by the eddy current flaw detector, the defective steel balls can be automatically removed, and the automatic screening mechanism of the steel ball eddy current flaw detector is compact in structure and ingenious in design. The defect steel ball removing operation is simple, the removing member structure is simple, the production cost is reduced, the stability of the defect steel ball removing operation is improved, and the working efficiency of defect steel ball removing operation after flaw detection is improved.
Description
Technical Field
The invention relates to a screening technology, in particular to an automatic screening mechanism of a steel ball eddy current flaw detector.
Background
The steel ball is widely applied to devices such as bearings, lead screws and the like, and has high requirements on mechanical devices with high production requirements on parts and steel balls. Therefore, the quality of the steel ball needs to be strictly controlled after production, and the flaw detection of the steel ball is one of the key rings.
When the precise steel ball flaw detector detects, a ball feeding device of an eddy current flaw detector is disclosed by CN207215754U, and the fact that the physical distribution flaw detector needs to detect a single steel ball when detecting the flaw of the steel ball is known. And removing the defective steel balls after the detection is completed.
CN107597616a discloses a high-temperature steel ball sorting device, and the sorting device adopts a motor to drive a U-shaped moving mechanism to move the U-shaped moving mechanism to different raceways for sorting, but the structure is not concise enough and the stability is not good.
Disclosure of Invention
In order to solve the defects in the prior art, the invention provides an automatic screening mechanism of a steel ball eddy current flaw detector.
The technical scheme of the invention is realized as follows:
an automatic screening mechanism of a steel ball eddy current flaw detector, which is characterized by comprising:
the workbench is provided with an eddy current flaw detector, a feeding component and a discharging component;
a rejecting component for sorting steel balls, the rejecting component is arranged in the middle of the discharging component,
the reject assembly includes:
the conveying piece is used for conveying the steel balls and is arranged in the middle of the discharging assembly, and two ends of the conveying piece are communicated;
the removing piece is used for removing the steel balls with flaws and is arranged on the conveying piece;
one end of the elastic piece is connected with the conveying piece, and the other end of the elastic piece is connected with one end of the removing piece;
and a guide member for guiding the rejecting member to reject defective steel balls, the guide member being provided with two positions respectively arranged at both sides of the conveying member, both ends of the rejecting member being respectively contacted with the two guide members,
the removing part comprises a first hook part, a first translation part, a wrapping part, a removing part, a connecting part, an abutting part, a second translation part and a second hook part, wherein the first hook part and the second hook part are respectively contacted with guide parts on two sides of the conveying part, the conveying part is provided with a first notch for removing the defective steel ball, a second notch for discharging the defective steel ball and a conveying groove for conveying the steel ball, an inclined groove is arranged in the conveying groove, one side of the inclined groove, facing the first notch, of the inclined groove is lower, and a cylinder is arranged on the workbench and is connected with the second hook part.
In the invention, the first translation part, the wrapping part, the connecting part, the abutting part and the second translation part are positioned on the same horizontal plane, and the rejecting part is inclined downwards and extends towards the conveying groove.
In the present invention, the guide member is composed of a planar portion and a guide portion, and the first hook portion and the second hook portion are located at the junction of the planar portion and the guide portion.
In the invention, the elastic piece consists of a spring part, a third hook part and a fourth hook part, wherein the third hook part and the fourth hook part are positioned at two ends of the spring part, the third hook part is connected with the first hook part, a through hole for placing the elastic piece is formed in the conveying piece, a bolt is arranged in the through hole, and the fourth hook part and the bolt are fixed in the through hole.
In the invention, the second notch is provided with a first inclined plane and a second inclined plane.
In the invention, the conveying member is further provided with a retaining member for inhibiting the upward movement of the removing member, and the removing member is arranged between the retaining member and the conveying member.
In the invention, the retainer consists of a first retainer block and a second retainer block, wherein the first retainer block and the second retainer block are provided with T-shaped grooves, and the conveying member is provided with T-shaped parts matched with the T-shaped grooves.
In the invention, the first holding block is provided with a first movable port for moving the first translation part and the wrapping part and a second movable port for removing the defective steel balls, and the second movable port is matched with the second notch.
In the invention, the second holding block is provided with a third movable port for moving the connecting part and the abutting part and a fourth movable port for moving the second shifting part and the abutting part, and the first movable port and the third movable port are positioned at two sides of the first notch.
In the invention, the heights of the first movable port, the second movable port, the third movable port and the fourth movable port are H1, and the diameter of the cross section of the removing member is H2, wherein H1 is more than H2.
The automatic screening mechanism of the steel ball eddy current flaw detector has the following beneficial effects: after the automatic screening mechanism of the steel ball eddy current flaw detector detects flaw detection by the eddy current flaw detector, the defective steel balls can be automatically removed, and the automatic screening mechanism of the steel ball eddy current flaw detector is compact in structure and ingenious in design. The defect steel ball removing operation is simple, the removing member structure is simple, the production cost is reduced, the stability of the defect steel ball removing operation is improved, and the working efficiency of defect steel ball removing operation after flaw detection is improved.
Drawings
FIG. 1 is a schematic diagram of an automatic screening mechanism of a steel ball eddy current flaw detector;
FIG. 2 is a schematic view of the reject assembly of FIG. 1;
FIG. 3 is an exploded view of FIG. 2;
FIG. 4 is a schematic view of the structure of FIG. 3 in another direction;
FIG. 5 is a schematic view of the first retaining block in FIG. 3;
FIG. 6 is a schematic view of the second retaining block of FIG. 3;
FIG. 7 is a schematic view of the transport and guide structure of FIG. 3;
FIG. 8 is another perspective view of FIG. 7;
FIG. 9 is a schematic view of the reject member and the elastic member of FIG. 4;
FIG. 10 is a schematic view of the steel ball of FIG. 3 in contact with a knockout;
fig. 11 is a schematic view of the state of fig. 10 in another direction.
In the figure: the device comprises a workbench 1, a steel ball 2, a rejecting assembly 3, an eddy current flaw detector 4, a feeding assembly 5, a discharging assembly 6, a cylinder 7, a conveying member 8, a rejecting member 9, an elastic member 10, a guide member 11, a first hook portion 12, a first translation portion 13, a wrapping portion 14, a rejecting portion 15, a connecting portion 16, an abutting portion 17, a second translation portion 18, a second hook portion 19, a conveying groove 20, a spring portion 21, a third hook portion 22, a fourth hook portion 23, a fourth movable port 24, a through hole 25, a bolt 26, a flat portion 27, a guide portion 28, a first notch 29, a second notch 30, an inclined groove 31, a first inclined surface 32, a second inclined surface 33, a retainer 34, a first retainer 35, a second retainer 36, a T-shaped groove 37, a T-shaped portion 38, a first movable port 39, a second movable port 40 and a third movable port 41.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 11, the automatic screening mechanism of the steel ball eddy current flaw detector of the invention comprises a workbench 1 and a rejecting assembly 3 for sorting steel balls 2. Be equipped with vortex finder 4, material loading subassembly 5 and row material subassembly 6 on workstation 1, material loading subassembly 5 can adopt spiral material loading machine, and vibration material loading, and the frequency of material loading can be set up according to actual production, guarantees that vortex finder 4 can be after finishing to a steel ball 2 detection, and next steel ball 2 can reach vortex finder 4 lower extreme, can effectually save detection time, improves work efficiency. Meanwhile, the discharging assembly 6 is used for conveying the steel balls 2 after the detection of the eddy current flaw detector 4, and the steel balls 2 with flaws in the detection are removed through the removing assembly 3. The table 1 has a cylinder 7, the cylinder 7 being connected to a second hook 19 on the reject 9.
When the eddy current flaw detector 4 detects that the steel ball A2 has flaws, the eddy current flaw detector 4 sends a signal to the control module, so that the control module can remember that the steel ball A2 has flaws and count at the same time, and the control module sends a reject signal to the air cylinder 7, and the air cylinder 7 pulls the reject 9, so that the reject 9 pushes the steel ball A2 to fall into the second notch 30.
When the eddy current flaw detector 4 detects the B steel ball 2, the B steel ball 2 is a qualified product, the eddy current flaw detector 4 at the moment also sends a signal to the control module, so that the control module remembers the qualified product when the B steel ball 2 is detected, and counts at the same time, and the control module sends a passing signal to the air cylinder 7, so that the air cylinder 7 pushes the rejecting piece 9, the rejecting piece 9 is lifted, and the B steel ball 2 can pass through.
The rejecting assembly 3 is arranged in the middle of the discharging assembly 6 and is used for trapping the steel balls 2 with flaws and rejecting the steel balls. While the reject assembly 3 comprises a conveying member 8 for conveying the steel balls 2, a reject member 9 for rejecting the steel balls 2 having flaws, an elastic member 10 for recovering the position of the reject member 9, and a guide member 11 for guiding the reject member 9 to reject the steel balls 2 having flaws. The discharging assembly 6 and the rejecting assembly 3 need to ensure that one end position at the lower end of the eddy current flaw detector 4 is higher when being installed, so that the steel ball 2 after detection is completed can be rolled down under the influence of self gravity, and rejecting work can be completed when the steel ball reaches the rejecting assembly 3.
The conveying member 8 is arranged in the middle of the discharging assembly 6, and two ends of the conveying member 8 are communicated and used for connecting a conveying channel of the discharging assembly 6, so that the steel balls 2 can be rolled down by gravity.
The removing member 9 is arranged on the conveying member 8, the removing member 9 is composed of a first hook portion 12, a first translation portion 13, a wrapping portion 14, a removing portion 15, a connecting portion 16, an abutting portion 17, a second translation portion 18 and a second hook portion 19, and the first hook portion 12 and the second hook portion 19 are respectively contacted with the guide members 11 on two sides of the conveying member 8. The first translation portion 13, the wrapping portion 14, the connecting portion 16, the abutment portion 17 and the second translation portion 18 are on the same horizontal plane, and the reject portion 15 is inclined downward and extends toward the conveying trough 20. The reject 9 is produced by an integral bending process during processing.
One end of the elastic member 10 is connected with the conveying member 8, and the other end is connected with one end of the rejecting member 9. The elastic member 10 is composed of a spring portion 21, a third hook portion 22 and a fourth hook portion 23, the third hook portion 22 and the fourth hook portion 23 are located at two ends of the spring portion 21, the third hook portion 22 is connected with the first hook portion 12, a through hole 25 for placing the elastic member 10 is formed in the conveying member 8, a bolt 26 is arranged in the through hole 25, and the fourth hook portion 23 and the bolt 26 are fixed in the through hole 25.
When the elastic member 10 and the removing member 9 are installed, the fourth hook portion 23 of the elastic member 10 is inserted into the through hole 25, and then the bolt 26 is passed through the middle of the fourth hook portion 23, so that the elastic member 10 is fixed in the through hole 25, and the diameter of the through hole 25 is larger than that of the elastic member 10, so that the elastic member 10 can move therein when being compressed. After the third hook 22 is sleeved on the first hook 12, the first hook 12 is bent.
The guide 11 is provided with two places, which are respectively provided at both sides of the conveying member 8, and both ends of the reject 9 are respectively in contact with the two places of the guide 11. The guide 11 is composed of a plane part 27 and a guide part 28, the first hook part 12 and the second hook part 19 are positioned at the joint of the plane part 27 and the guide part 28, the guide part 28 is in an inclined state, the cross section of the guide part is in a right triangle shape, and the first hook part 12 and the second hook part 19 are positioned on the inclined side of the triangle.
When the removing member 9 does not work, the first hook portion 12 and the second hook portion 19 are located at the joint of the plane portion 27 and the guiding portion 28, so that the removing member 9 can be guided by the guiding portion 28 when being pushed by the air cylinder 7, and the removing member 9 is lifted. While the knockout 9, when pulled by the cylinder 7, can support the first hook 12 and the second hook 19 of the knockout 9 through the plane portion 27, so that the knockout 15 on the knockout 9 pushes the steel ball 2.
The conveying member 8 has a first notch 29 in which the reject portion 15 is movable, a second notch 30 for discharging defective steel balls 2, and a conveying groove 20 for conveying the steel balls 2, and the conveying groove 20 has an inclined groove 31 therein, the inclined groove 31 being lower toward the first notch 29. When the steel ball 2 rolls down into the inclined groove 31, the steel ball 2 is inclined towards the direction of the first notch 29, but not directly rolls down into the second notch 30, and when only the cylinder 7 pulls the removing member 9, the steel ball 2 is pushed by the removing portion 15, so that the steel ball 2 moves into the second notch 30.
When the removing member 9 works, the removing portion 15 moves in the first notch 29, the moving state is translation and lifting, when the removing portion 15 is in the lifting state, the abutting portion 17 is also in the lifting state, the abutting portion 17 can not block the steel ball 2 any more, and the steel ball 2 can be rolled by self gravity. When the rejecting part 15 is in a translational state, the rejecting part 15 cooperates with the abutting part 17 and the wrapping part 14 to push the steel ball 2 to be ejected from the second notch 30.
The second notch 30 has a first inclined surface 32 and a second inclined surface 33, the first inclined surface 32 being used for guiding the steel ball 2 into the second notch 30, and the second inclined surface 33 being used for facilitating the discharge of the steel ball 2.
The conveying member 8 is further provided with a holding member 34 for inhibiting upward movement of the reject member 9, and the reject member 9 is interposed between the holding member 34 and the conveying member 8. The holding member 34 is composed of a first holding block 35 and a second holding block 36, the first holding block 35 and the second holding block 36 have a T-shaped groove 37 thereon, and the conveying member 8 has a T-shaped portion 38 thereon which mates with the T-shaped groove 37. The holder 34 is slidably mounted on the conveyor 8, and can be fixed by screws, if necessary, in actual production.
The first holding block 35 is provided with a first movable opening 39 for moving the first translation part 13 and the wrapping part 14 and a second movable opening 40 for removing the defective steel ball 2, and the second movable opening 40 is matched with the second notch 30. The second holding block 36 has a third movable port 41 through which the connecting portion 16 and the abutting portion 17 move and a fourth movable port 24 through which the second translating portion 18 and the abutting portion 17 move, and the first movable port 39 and the third movable port 41 are located on both sides of the first notch 29.
The first, second, third and fourth movable ports 39, 40, 41 and 24 have a height H1, and the reject 9 has a cross-sectional diameter H2, H1 > H2. When the removing member 9 is lifted upward, the steel ball 2 can be ensured not to be blocked by the abutting portion 17 any more but to roll down directly after the removing member 9 contacts with the upper wall surfaces of the movable ports (the first movable port 39, the second movable port 40, the third movable port 41 and the fourth movable port 24).
In addition, when the height between the highest point of the steel ball 2 and the upper wall surface of the movable opening is H3, H1 is more than H2+ H3, the steel ball 2 is not blocked by the removing member 9 any more, and the steel ball 2 rolls down.
As shown in fig. 11, the point a on the wrapping portion 14 needs to be protruded from the point b on the rejecting portion 15, so that when the rejecting portion 15 pushes the steel ball 2 to move, the point a can wrap the steel ball 2, and the steel ball 2 cannot be pushed to move upwards.
While the point a is more protruded than the point b, the second notch 30 has a first slope 32 and a second slope 33, and the steel ball 2 can be dropped by the first slope 32 and the second slope 33, and the reject portion 15 pushes the steel ball 2 to move, and when the steel ball 2 is pushed to the second notch 30, the steel ball is dropped by the influence of the second slope 33.
When the steel ball 2 is pushed by the rejecting part 15, the abutting part 17 moves together, so that the abutting part 17 is matched with the rejecting part 15 and the wrapping part 14 to hold the steel ball 2 in the steel ball, and the steel ball is not deviated and accurately enters the second notch 30.
Of course, if the diameter of the steel ball 2 is small, the abutting portion 17 may be bent downward so that the lowest point of the abutting portion 17 can move downward, blocking the steel ball 2.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. An automatic screening mechanism of a steel ball eddy current flaw detector, which is characterized by comprising:
the workbench is provided with an eddy current flaw detector, a feeding component and a discharging component;
the rejecting component is arranged in the middle of the discharging component, one ends of the discharging component and the rejecting component, which are positioned at the lower end of the eddy current flaw detector, are higher,
the reject assembly includes:
the conveying piece is used for conveying the steel balls and is arranged in the middle of the discharging assembly, and two ends of the conveying piece are communicated;
the removing piece is used for removing the steel balls with flaws and is arranged on the conveying piece;
one end of the elastic piece is connected with the conveying piece, and the other end of the elastic piece is connected with one end of the removing piece;
and a guide member for guiding the rejecting member to reject defective steel balls, the guide member being provided with two portions respectively provided on both sides of the conveying member, and both ends of the rejecting member being respectively in contact with the two guide members, the guide member being composed of a plane portion and a guide portion,
the rejecting piece comprises a first hook part, a first translation part, a wrapping part, a rejecting part, a connecting part, an abutting part, a second translation part and a second hook part, wherein the first hook part and the second hook part are respectively contacted with guide pieces on two sides of the conveying piece, the conveying piece is provided with a first notch for moving the rejecting part, a second notch for discharging a defective steel ball and a conveying groove for conveying the steel ball, the conveying groove is internally provided with an inclined groove, one side of the inclined groove, which faces the first notch, is lower, the workbench is provided with a cylinder, the cylinder is connected with the second hook part, the rejecting piece is an integrated bending rod piece which is sequentially connected with the first hook part, the first translation part, the wrapping part, the rejecting part, the connecting part, the abutting part, the second translation part and the second hook part,
the first hook part and the second hook part are positioned at the joint of the plane part and the guide part, the guide part is in an inclined state, the cross section of the guide part is in a right triangle shape,
the first translation part, the wrapping part, the connecting part, the abutting part and the second translation part are positioned on the same horizontal plane, the rejecting part is inclined downwards and extends towards the conveying groove, the abutting part is positioned above the inclined groove and is used for blocking the steel ball,
the removing part is inclined downwards and provided with a point b at the tail end extending towards the conveying groove, the point b is used for pushing the steel ball to remove, the wrapping part is provided with a point a protruding from the point b on the removing part, when the removing part pushes the steel ball to move, the point a wraps the steel ball, so that the steel ball cannot move upwards due to the thrust force,
when the steel ball is pushed by the rejecting part, the abutting part also moves, the abutting part is matched with the rejecting part and the wrapping part to place the steel ball in the abutting part, the steel ball is pushed to accurately enter the second notch,
when the removing member does not work, the first hook part and the second hook part are positioned at the joint of the plane part and the guide part, and when the removing member is pushed by the air cylinder, the first hook part and the second hook part can be guided by the guide part, so that the removing member is lifted,
when the removing member is pulled by the air cylinder, the first hook part and the second hook part of the removing member are supported by the plane part, so that the removing part on the removing member pushes the steel ball.
2. The automatic screening mechanism of the steel ball eddy current flaw detector according to claim 1, wherein the elastic member is composed of a spring part, a third hook part and a fourth hook part, the third hook part and the fourth hook part are positioned at two ends of the spring part, the third hook part is connected with the first hook part, a through hole for placing the elastic member is formed in the conveying member, a bolt is arranged in the through hole, and the fourth hook part and the bolt are fixed in the through hole.
3. The automatic screening mechanism of the steel ball eddy current flaw detector according to claim 1, wherein the second notch is provided with a first inclined plane and a second inclined plane.
4. The automatic screening mechanism of the steel ball eddy current flaw detector according to claim 1, wherein the conveying member is further provided with a retainer for inhibiting the upward movement of the rejecting member, and the rejecting member is located between the retainer and the conveying member.
5. The automatic screening mechanism of the steel ball eddy current flaw detector according to claim 4, wherein the retaining member is composed of a first retaining block and a second retaining block, T-shaped grooves are formed in the first retaining block and the second retaining block, and T-shaped parts matched with the T-shaped grooves are formed in the conveying member.
6. The automatic screening mechanism of the steel ball eddy current flaw detector according to claim 5, wherein the first holding block is provided with a first movable opening for moving the first translation part and the wrapping part and a second movable opening for removing the flaw steel balls, and the second movable opening is matched with the second notch.
7. The automatic screening mechanism of the steel ball eddy current flaw detector according to claim 6, wherein the second holding block is provided with a third movable port for moving the connecting part and the abutting part and a fourth movable port for moving the second translating part and the abutting part, and the first movable port and the third movable port are positioned on two sides of the first notch.
8. The automatic screening mechanism of the steel ball eddy current flaw detector according to claim 7, wherein the heights of the first movable port, the second movable port, the third movable port and the fourth movable port are H1, and the diameters of the cross sections of the eliminating pieces are H2, and H1 > H2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210824903.6A CN115090568B (en) | 2022-07-13 | 2022-07-13 | Automatic screening mechanism of steel ball eddy current flaw detector |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210824903.6A CN115090568B (en) | 2022-07-13 | 2022-07-13 | Automatic screening mechanism of steel ball eddy current flaw detector |
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| CN115090568A CN115090568A (en) | 2022-09-23 |
| CN115090568B true CN115090568B (en) | 2023-10-10 |
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