CN110899132A - Detection and turnover device for screening chip resistors - Google Patents
Detection and turnover device for screening chip resistors Download PDFInfo
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- CN110899132A CN110899132A CN201911205795.9A CN201911205795A CN110899132A CN 110899132 A CN110899132 A CN 110899132A CN 201911205795 A CN201911205795 A CN 201911205795A CN 110899132 A CN110899132 A CN 110899132A
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- tray
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- detection
- ccd camera
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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
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
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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
- B07C5/04—Sorting according to size
- B07C5/10—Sorting according to size measured by light-responsive means
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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
Abstract
A detection and turnover device for screening chip resistors comprises a rack, a positioning detection mechanism, a turnover mechanism and a tray, wherein the positioning detection mechanism comprises a detection frame, a left CCD camera and a right CCD camera which are arranged at two ends of the detection frame; the turnover mechanism comprises two groups, and the two groups consist of a tray grabbing hand and a tray turnover hand, the tray grabbing hand comprises a third guide rail, a second sliding block and a third air cylinder, and the third air cylinder drives the tray grabbing hand to slide in the Y-axis direction; the tray overturning hand comprises an overturning frame and a cylinder frame, wherein the overturning frame is provided with an overturning controller, the cylinder frame drives the overturning frame to move up and down through a fourth cylinder, and the bottom of the cylinder frame is provided with a fifth cylinder for controlling the overturning frame to move in the Y-axis direction; the invention can automatically and integrally detect the two surfaces of the chip resistor, thereby not only ensuring the detection precision and the quality of subsequent finished products, but also improving the detection efficiency.
Description
Technical Field
The invention relates to the field of chip resistors, in particular to a detection and turnover device for chip resistor screening.
Background
The chip resistor is also called a chip fixed resistor, is one of metal glass glaze resistors, and is a resistor manufactured by mixing metal powder and glass glaze powder and printing the mixture on a substrate by a screen printing method. All processes of the chip resistor are required to be packaged and placed on the carrier tape to form a strip-shaped object, the phenomena of material crushing, material mixing, material standing, material reversing, material stacking, material emptying, material jumping, material corner lacking, carrier tape contamination, carrier tape damage and the like can be caused in the packaging, the defect of one resistor flows to a client terminal to be attached to a circuit board, the defect of a final product can be caused, and the possibility of potential safety hazard can be even caused.
However, in the screening process of most of the existing chip resistors, the appearance and defects of products are detected by naked eyes manually by using a microscope, the quality is unstable due to fatigue of naked eyes during manual detection, the production efficiency is low, and the accuracy of the detected appearance is not enough, so that the labor amount of production personnel is increased, the screening speed is slow, the working efficiency of screening the chip resistors is low, and meanwhile, the specification uniformity after screening the chip resistors cannot be guaranteed due to different judgment standards of everyone; at present, the appearance of a product is detected by a CCD detector, but the CCD detector can only detect one side of the product, so that the detection is needed twice by matching with a conveying device, and a large amount of detection time is consumed; in order to solve the problems, the device which can quickly detect the double surfaces of the chip resistor and select the unqualified floating resistor is particularly provided.
Disclosure of Invention
In view of the above, in order to solve the defects of the prior art, the invention aims to provide a detection and turnover device for screening chip resistors, wherein two CCD cameras and a chip resistor turnover mechanism are arranged in a conveying process, so that automatic and integrated detection of two sides of the chip resistor is realized, the detection precision is ensured, the quality of subsequent finished products is guaranteed, and the detection efficiency is improved.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a detection and turnover device for screening chip resistors comprises a rack, a positioning detection mechanism arranged on the rack, a turnover mechanism arranged opposite to the positioning detection mechanism, and a tray arranged between the positioning detection mechanism and the turnover mechanism;
the positioning detection mechanism comprises a detection frame, two ends of the bottom of the detection frame are arranged on a first guide rail parallel to the Y-axis direction through a first sliding block, a bottom plate of the detection frame is provided with a first air cylinder for driving the first sliding block to move, the top end of the detection frame is connected through a vertical plate, one surface, facing the turnover mechanism, of the vertical plate is provided with a second guide rail and a sliding plate, the other surface of the vertical plate is provided with a second air cylinder connected with the sliding plate, two ends of the sliding plate are provided with a left CCD camera and a right CCD camera, tray positioning frames are arranged below the left CCD camera and the right CCD camera, and the trays are placed on the tray positioning frames;
the turnover mechanism comprises two groups, one group is arranged between the left CCD camera and the right CCD camera, and the other group is arranged on the left side of the left CCD camera; the turnover mechanism comprises a tray grabbing hand and a tray turnover hand, the tray grabbing hand comprises a third guide rail, a second sliding block and a third air cylinder, the second sliding block is arranged on the third guide rail, and the third air cylinder on the second sliding block drives the tray grabbing hand to slide in the Y-axis direction; the tray overturning hand comprises an overturning frame and a cylinder frame, wherein an overturning controller is arranged on the overturning frame, the cylinder frame is connected with the overturning frame through a fourth cylinder, the fourth cylinder drives the overturning frame to move up and down, and a fifth cylinder for controlling the overturning frame to move in the Y-axis direction is arranged at the bottom of the cylinder frame.
Furthermore, a limiting cylinder for positioning and clamping and fixing the tray is arranged on the tray positioning frame.
Furthermore, a plurality of rows of chip resistors to be screened are arranged in the tray.
Furthermore, two fingers are arranged at the front end of the third cylinder and used for taking and placing the tray.
Further, the second cylinder makes right CCD camera shoot, the height measurement to chip resistor's front through driving the slide removal, tilting mechanism makes left CCD camera shoot, the height measurement to chip resistor's the back through driving the slide removal to tray upset, second cylinder.
The invention has the beneficial effects that:
1. the invention provides a detection and turnover device for screening chip resistors, which is provided with a positioning detection mechanism and a turnover mechanism, wherein the positioning detection mechanism comprises a left CCD camera and a right CCD camera which move along the X-axis direction and the Y-axis direction, the right CCD camera is used for photographing and height measuring the front surface of the chip resistor, the turnover mechanism is matched to turn over the chip resistor with the front surface being detected, and the left CCD camera is used for photographing and height measuring the back surface of the chip resistor, so that the automatic integrated double-surface floating height detection of the chip resistor can be realized, the detection precision is ensured, the quality of subsequent finished products is ensured, and the detection efficiency is improved;
2. the positioning detection mechanism is provided with a left CCD camera and a right CCD camera, and a limiting cylinder is arranged on a tray positioning frame for placing the chip resistor, so that the tray can be fixed and clamped, the position of a detection head of the CCD camera is adjusted, accurate detection is realized, and the deviation in the measurement process is avoided;
3. because two CCD cameras about having set up in the location detection mechanism, the tilting mechanism is corresponding also to have set up two sets ofly, and a set of wainscot resistance that is used for finishing to the front detects overturns to the back, and another group is used for returning the resistance position of paster to return, and this detection and upset flow all go on in proper order on the assembly line of conveying, do not have the problem of returning to retest, consequently can improve detection efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a detection and turnover device for screening chip resistors;
FIG. 2 is a top view of a detection and flipping unit for screening chip resistors;
FIG. 3 is a schematic structural view of a positioning detection mechanism;
FIG. 4 is a top view of the positioning detection mechanism;
FIG. 5 is a top view of two sets of turnover mechanisms;
FIG. 6 is a schematic structural diagram of one of the turnover mechanisms;
reference numerals: 1. the device comprises a rack, 2, a positioning detection mechanism, 3, a turnover mechanism, 4, a tray, 5, a detection frame, 501, a first sliding block, 502, a first guide rail, 503, a first air cylinder, 6, a vertical plate, 601, a second guide rail, 602, a sliding plate, 603, a second air cylinder, 7, a left CCD camera, 8, a right CCD camera, 9, a tray positioning frame, 901, a limiting cylinder, 10, a tray grabbing hand, 1001, a third guide rail, 1002, a second sliding block, 1003, a third air cylinder, 1004, a two-finger gripper, 11, a tray overturning hand, 12, an overturning frame, 1201, an overturning controller, 13, an air cylinder frame, 14, a fourth air cylinder, 15 and a fifth air cylinder.
Detailed Description
The following specific examples are given to further clarify, complete and detailed the technical solution of the present invention. The present embodiment is a preferred embodiment based on the technical solution of the present invention, but the scope of the present invention is not limited to the following embodiments.
A detection and turnover device for screening chip resistors is shown in figure 1 and comprises a rack 1, a positioning detection mechanism 2 arranged on the rack 1, a turnover mechanism 3 arranged opposite to the positioning detection mechanism 2, and a tray 4 arranged between the positioning detection mechanism 2 and the turnover mechanism 3;
as shown in fig. 2, 3 and 4, the positioning detection mechanism 2 includes a detection frame 5, two ends of the bottom of the detection frame 5 are arranged on a first guide rail 502 parallel to the Y-axis direction through a first slide block 501, and a first cylinder 503 for driving the first slide block 501 to move is arranged on the bottom plate of the detection frame 5, the top end of the detection frame 5 is connected through a vertical plate 6, one surface of the vertical plate 6 facing the turnover mechanism 3 is provided with a second guide rail 601 and a sliding plate 602, the other surface is provided with a second cylinder 603 connected with the sliding plate 602, a left CCD camera 7 and a right CCD camera 8 are arranged at the two ends of the sliding plate 602, a tray positioning frame 9 is arranged below the left CCD camera 7 and the right CCD camera 8, the tray 4 is placed on the tray positioning frame 9, a plurality of rows of chip resistors to be screened are arranged in the tray 4, the tray positioning frame 9 is provided with a limiting cylinder 901 for positioning, clamping and fixing the tray 4; the second cylinder 603 drives the sliding plate 602 to move, so that the right CCD camera 8 photographs the front surface of the chip resistor and measures the height of the chip resistor;
as shown in fig. 1 and 5, the turnover mechanism 3 includes two groups, one group is disposed between the left CCD camera 7 and the right CCD camera 8, and the other group is disposed on the left side of the left CCD camera 7; as shown in fig. 5 and 6, the turnover mechanism 3 includes a tray grabbing hand 10 and a tray turning hand 11, the tray grabbing hand 10 includes a third guide rail 1001, a second slider 1002 and a third cylinder 1003, the second slider 1002 is disposed on the third guide rail 1001, the third cylinder 1003 disposed on the second slider 1002 drives the tray grabbing hand 10 to slide in the Y-axis direction, a two-finger grip 1004 is disposed at the front end of the third cylinder 1003, and the two-finger grip 1004 takes and places the tray 4; the tray overturning hand 11 comprises an overturning frame 12 and a cylinder frame 13, wherein an overturning controller 1201 is arranged on the overturning frame 12, the cylinder frame 13 is connected with the overturning frame 12 through a fourth cylinder 14, the fourth cylinder 14 drives the overturning frame 12 to move up and down, and a fifth cylinder 15 for controlling the overturning frame 12 to move in the Y-axis direction is arranged at the bottom of the cylinder frame 13; the turnover mechanism 3 turns over the tray 4, and the second cylinder 603 drives the sliding plate 602 to move, so that the left CCD camera 7 photographs the back of the chip resistor and measures the height of the chip resistor.
The working process of the detecting and turning device for screening the chip resistor is as follows:
the first step is as follows: placing the chip resistors to be screened on the PCB in the tray 4;
the second step is that: the method comprises the following steps of carrying out front measurement on a chip resistor by using a positioning detection mechanism 2, placing a tray 4 on a tray positioning frame 9, wherein a limiting cylinder 901 is arranged on the tray positioning frame 9 and used for fixing and clamping the tray 4, measuring the height dimension of the tray by a right CCD camera 8, then conveying the tray 4 forward to a turnover mechanism 3 arranged between a left CCD camera 7 and the right CCD camera 8, grabbing the tray 4 to be lifted to a certain height by two fingers 1004 of a tray grabbing hand 10, clamping the tray 4 by a finger of a tray turnover hand 11, and turning the tray 4 for 180 degrees;
the third step: the positioning detection mechanism 2 is used for carrying out back measurement on the chip resistor, the tray 4 after overturning is grabbed by the tray grabbing hand 10 and then placed back to the tray positioning frame 9, the height and the size of the back are measured after the tray is moved to the position below the left CCD camera 7, after the measurement is finished, the tray 4 is conveyed forwards to the overturning mechanism 3 arranged on the left side of the left CCD camera 7, and the tray grabbing hand 10 and the tray overturning hand 11 are used for overturning the tray 4 to the initial state.
The invention discloses a detection and turnover device for screening chip resistors, which is provided with a positioning detection mechanism and a turnover mechanism, wherein the positioning detection mechanism comprises a left CCD camera and a right CCD camera which move along the X-axis direction and the Y-axis direction, the right CCD camera is used for photographing and height measuring the front surface of the chip resistor, the turnover mechanism is matched for turning over the chip resistor with the front surface being detected, and the left CCD camera is used for photographing and height measuring the back surface of the chip resistor, so that the automatic integrated double-surface floating height detection of the chip resistor can be realized, the detection precision is ensured, the quality of subsequent finished products is ensured, and the detection efficiency is improved.
The principal features, principles and advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to explain the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as expressed in the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A detection and turnover device for screening chip resistors is characterized by comprising a rack (1), a positioning detection mechanism (2) arranged on the rack (1), a turnover mechanism (3) arranged opposite to the positioning detection mechanism (2), and a tray (4) arranged between the positioning detection mechanism (2) and the turnover mechanism (3);
the positioning detection mechanism (2) comprises a detection frame (5), two ends of the bottom of the detection frame (5) are arranged on a first guide rail (502) parallel to the Y-axis direction through a first sliding block (501), a bottom plate of the detection frame (5) is provided with a first cylinder (503) which drives the first slide block (501) to move, the top end of the detection frame (5) is connected through a vertical plate (6), one surface of the vertical plate (6) facing the turnover mechanism (3) is provided with a second guide rail (601) and a sliding plate (602), the other surface is provided with a second cylinder (603) connected with the sliding plate (602), a left CCD camera (7) and a right CCD camera (8) are arranged at the two ends of the sliding plate (602), tray positioning frames (9) are arranged below the left CCD camera (7) and the right CCD camera (8), and the tray (4) is placed on the tray positioning frames (9);
the turnover mechanism (3) comprises two groups, one group is arranged between the left CCD camera (7) and the right CCD camera (8), and the other group is arranged on the left side of the left CCD camera (7); the turnover mechanism (3) comprises a tray grabbing hand (10) and a tray turnover hand (11), the tray grabbing hand (10) comprises a third guide rail (1001), a second sliding block (1002) and a third air cylinder (1003), the second sliding block (1002) is arranged on the third guide rail (1001), and the third air cylinder (1003) on the second sliding block (1002) drives the tray grabbing hand (10) to slide in the Y-axis direction; the tray overturning hand (11) comprises an overturning frame (12) and a cylinder frame (13), wherein an overturning controller (1201) is arranged on the overturning frame (12), the cylinder frame (13) is connected with the overturning frame (12) through a fourth cylinder (14), the fourth cylinder (14) drives the overturning frame (12) to move up and down, and a fifth cylinder (15) for controlling the overturning frame (12) to move in the Y-axis direction is arranged at the bottom of the cylinder frame (13).
2. The detecting and overturning device for screening the chip resistors as claimed in claim 1, wherein a limiting cylinder (901) for positioning and clamping and fixing the tray (4) is arranged on the tray positioning frame (9).
3. The detecting and overturning device for screening chip resistors as claimed in claim 2, wherein a plurality of rows of chip resistors to be screened are arranged in the tray (4).
4. The chip resistor screening detection and turnover device according to claim 3, wherein a two-finger grip (1004) is arranged at the front end of the third cylinder (1003), and the two-finger grip (1004) is used for taking and placing the tray (4).
5. The chip resistor screening detection and turnover device according to claim 4, wherein the second air cylinder (603) drives the sliding plate (602) to move, so that the right CCD camera (8) photographs and measures the height of the front surface of the chip resistor, and the turnover mechanism (3) turns over the tray (4) and drives the sliding plate (602) to move the second air cylinder (603), so that the left CCD camera (7) photographs and measures the height of the back surface of the chip resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911205795.9A CN110899132A (en) | 2019-11-29 | 2019-11-29 | Detection and turnover device for screening chip resistors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911205795.9A CN110899132A (en) | 2019-11-29 | 2019-11-29 | Detection and turnover device for screening chip resistors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110899132A true CN110899132A (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911205795.9A Pending CN110899132A (en) | 2019-11-29 | 2019-11-29 | Detection and turnover device for screening chip resistors |
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| CN (1) | CN110899132A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049596A (en) * | 2021-03-05 | 2021-06-29 | 广州得尔塔影像技术有限公司 | Appearance inspection apparatus |
| CN113820542B (en) * | 2021-11-22 | 2022-02-08 | 深圳市利群联发科技有限公司 | Resistance detection equipment for conductive adhesive |
| CN115106302A (en) * | 2022-06-29 | 2022-09-27 | 深圳市海铭德科技有限公司 | A equipment for letter sorting gauze |
-
2019
- 2019-11-29 CN CN201911205795.9A patent/CN110899132A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113049596A (en) * | 2021-03-05 | 2021-06-29 | 广州得尔塔影像技术有限公司 | Appearance inspection apparatus |
| CN113820542B (en) * | 2021-11-22 | 2022-02-08 | 深圳市利群联发科技有限公司 | Resistance detection equipment for conductive adhesive |
| CN115106302A (en) * | 2022-06-29 | 2022-09-27 | 深圳市海铭德科技有限公司 | A equipment for letter sorting gauze |
| CN115106302B (en) * | 2022-06-29 | 2024-04-19 | 深圳市海铭德科技有限公司 | Device for sorting gauze |
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