CN113578794A - Resistance value testing and grading machine - Google Patents
Resistance value testing and grading machine Download PDFInfo
- Publication number
- CN113578794A CN113578794A CN202111143665.4A CN202111143665A CN113578794A CN 113578794 A CN113578794 A CN 113578794A CN 202111143665 A CN202111143665 A CN 202111143665A CN 113578794 A CN113578794 A CN 113578794A
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- material storage
- metal sheets
- feeding
- stock
- resistance value
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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
- B07C5/344—Sorting according to other particular properties according to electric or electromagnetic properties
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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
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/363—Sorting apparatus characterised by the means used for distribution by means of air
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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
- B07C5/38—Collecting or arranging articles in groups
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- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The invention relates to the technical field of test equipment, in particular to a resistance value test grading machine which comprises a shell, wherein a rotary table is rotatably arranged on the top surface of the shell, a plurality of placing grooves for placing metal sheets are formed in the rotary table, and a material storing mechanism, a material loading mechanism, a test mechanism and a material unloading mechanism are sequentially arranged around the rotary table clockwise; the feeding mechanism sucks an area where the metal sheet is located to be a feeding area, and the periphery of the feeding area is a pre-stored material area; stock mechanism is including depositing the work or material rest and fixing first stock subassembly and the second stock subassembly on depositing the work or material rest, stock frame slidable mounting is on the casing, it slides and makes first stock subassembly and second stock subassembly switch between material loading district and the material loading district to deposit the work or material rest, and through first stock subassembly and the second stock subassembly of changeable station, realize continuous feed, its overall structure of modular arrangement and rotary type test structure is compact, can improve space utilization.
Description
Technical Field
The invention relates to the technical field of test equipment, in particular to a resistance value test grading machine.
Background
PTC is an abbreviation for Positive Temperature Coefficient, and generally refers to a semiconductor material or a device having a large Positive Temperature Coefficient. In general, reference to PTC refers to a positive temperature coefficient thermistor, abbreviated as a PTC thermistor. A PTC thermistor is a semiconductor resistor typically having temperature sensitivity, and its resistance value increases stepwise with an increase in temperature (curie temperature) beyond a certain temperature.
In the prior art, the testing method for the components formed by combining the terminals, the gaskets and the metal sheets is to assemble the three components by manpower, then test the components by using a testing head, and then group the components.
The application number is 202021017988 Chinese patent of X discloses a resistance value testing arrangement, it is put, including equipment supporting baseplate, be equipped with the control electric cabinet on the equipment supporting baseplate, the mould test subassembly, resistance detection case and start-up subassembly electricity respectively connect in the control electric cabinet, the mould test subassembly is including the last mould test subassembly that is used for the pressfitting test and the lower mould test subassembly that is used for placing resistance, it is provided with the constant voltage jar to go up the mould test subassembly correspondence, it only can test the article that awaits measuring alone, the efficiency is slow, and still need the manual work to select separately after the test is accomplished.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the resistance value testing stepper is provided for solving the problems that in the prior art, the three elements are assembled manually and then tested by using a testing head, the operation mode is low in efficiency, the product qualification rate is low, the safety is poor and the hands of operators are easy to hurt.
The technical scheme adopted by the invention for solving the technical problems is as follows: a resistance value testing grading machine comprises a shell, wherein a rotary table is rotatably mounted on the top surface of the shell, a plurality of placing grooves for placing metal sheets are formed in the rotary table, and a material storing mechanism, a material loading mechanism, a testing mechanism and a material unloading mechanism are sequentially mounted around the rotary table clockwise;
the feeding mechanism is used for sucking the metal sheets in the material storage mechanism and transferring the metal sheets to a placing groove of the rotary table, the area where the metal sheets are sucked by the feeding mechanism is a feeding area, and the periphery of the feeding area is a pre-stored material area;
the material storage mechanism comprises a material storage frame, and a first material storage assembly and a second material storage assembly which are fixed on the material storage frame, wherein the first material storage assembly and the second material storage assembly are used for storing metal sheets, the material storage frame is slidably mounted on the shell, and the material storage frame slides to enable the first material storage assembly and the second material storage assembly to be switched between the material loading area and the material storage area;
the testing mechanism is used for testing the metal sheets in the placing groove;
unloading mechanism is used for sorting according to the resistance difference with the sheetmetal that has been tested in being in the standing groove and unloads, first stock subassembly and the second stock subassembly through changeable station, realize continuous feed, shift the sheetmetal in stock mechanism to the carousel through feed mechanism, the separation of sheetmetal is realized to the carousel, unloading mechanism sorts the sheetmetal that has been tested according to the difference of its resistance and unloads, the automatic test and the unloading of sheetmetal have been realized, the production efficiency is improved, its overall structure of modular arrangement and rotary type test structure is compact, space utilization can be improved.
In order to solve the problem that first material stock subassembly and second material stock subassembly station switch, further include material stock mechanism still includes slider, guide rail and electric push rod, the guide rail is fixed in the casing left side, slider slidable mounting is on the guide rail, just slider and material stock frame fixed connection, electric push rod fixes on the casing, the push rod tip and the material stock frame fixed connection of electric push rod, guide rail and electric push rod all arrange along the Y axle direction, and electric push rod provides power for the removal of material stock frame, and moves the precision height, and the cooperation of guide rail and slider has improved the stability of material stock frame at the removal in-process.
In order to solve along with the sheetmetal quantity reduces the back, feed mechanism is difficult to stretch into the problem of absorbing the sheetmetal, further include first stock subassembly and second stock subassembly are a plurality of stock barrels that are the arc and arrange, stock barrel place pitch arc diameter equals with standing groove place circle diameter, all install the reset spring who supports the sheetmetal in the stock barrel, make the sheetmetal that is located the top take away the remaining sheetmetal height of back and can rise thereupon through reset spring's elasticity, the feed mechanism of being convenient for draws.
In order to solve the problem that feed mechanism arranged the installation, further include feed mechanism includes material loading drive assembly, adsorbs connecting plate and a plurality of vacuum suction head, material loading drive assembly and absorption connecting plate fixed connection, vacuum suction head all can adjust to be fixed on the absorption connecting plate, just vacuum suction head and the stock section of thick bamboo one-to-one of first stock subassembly, material loading drive assembly orders about vacuum suction head and removes, and vacuum suction head passes through the trachea and connects the vacuum pump.
In order to solve the installation of material loading drive assembly and moving problem, further include material loading drive assembly includes material loading frame, slide bar, slide, rack, gear and motor, the slide bar is fixed on material loading frame, slide slidable mounting is on the slide bar, rack and slide rear side fixed connection, rack and gear engagement, the output and the gear drive of motor are connected, pneumatic cylinder and slide fixed connection, just the piston rod and the absorption connecting plate fixed connection of pneumatic cylinder make feed mechanism's removal precision high through the cooperation of rack and gear.
Thereby in order to solve the gaseous problem that is difficult to get into between sheetmetal and the standing groove of blowing off of shedding mechanism, further include still seted up a plurality of air guide grooves on the carousel, air guide groove and standing groove one-to-one, just the output of air guide groove communicates with the input of its standing groove that corresponds, can guarantee the effect of unloading between leading-in sheetmetal and the standing groove of the gaseous leading-in sheetmetal that the shedding mechanism blew off through arranging of air guide groove.
In order to solve the problem of how to sort and output tested metal sheets by the unloading mechanism, the metal sheet sorting and feeding device further comprises the unloading mechanism which comprises an unloading frame, a plurality of air blowing joints, a material pipe and a material receiving plate, the air blowing joints, the material pipes and the material receiving plates are all in one-to-one correspondence, the output ends of the air blowing joints are aligned to the air guide grooves, the blowing joint is fixedly connected with the discharging frame, the blowing joint is connected with the air pump through an air pipe, the material pipe is positioned at the output end of the corresponding placing groove, the bottom surface of the material receiving plate is fixedly connected with the top surface of the material pipe, a plurality of air holes are arranged on the material receiving plate, the material receiving plate is used for receiving and guiding the metal sheet into the material pipe, after the metal sheet is blown up by the air flow conveyed by the air blowing joint, the material receiving plate receives the flying metal sheet and guides the metal sheet into the material pipe, and the air is discharged from the air hole, so that the air flow is prevented from influencing the movement of the metal sheet in the material pipe.
The invention has the beneficial effects that: according to the resistance value testing stepper, continuous feeding is achieved through the first material storage assembly and the second material storage assembly which can switch stations, metal sheets in the material storage mechanism are transferred onto the rotary table through the feeding mechanism, the rotary table achieves separation of the metal sheets, the tested metal sheets are sorted and unloaded through the unloading mechanism according to different resistance values of the tested metal sheets, automatic testing and unloading of the metal sheets are achieved, production efficiency is improved, the overall structure of the modular arrangement and rotary type testing structure is compact, and space utilization rate can be improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic elevation view of the present invention;
fig. 3 is a schematic structural view of the discharging mechanism of the present invention.
In the figure: 1. the device comprises a shell, 2, a turntable, 21, a placing groove, 22, an air guide groove, 3, a material storage mechanism, 31, a material storage rack, 32, a first material storage component, 33, a second material storage component, 34, a sliding block, 35, a guide rail, 36, an electric push rod, 37, a material storage barrel, 38, a reset spring, 4, a material feeding mechanism, 41, a material feeding driving component, 42, an adsorption connecting plate, 43, a vacuum suction head, 411, a material feeding rack, 412, a sliding rod, 413, a sliding seat, 414, a rack, 415, a gear, 416, a motor, 417, a hydraulic cylinder, 5, a testing mechanism, 6, a discharging mechanism, 61, a discharging rack, 62, an air blowing joint, 63, a material pipe, 64, a material receiving plate, 641, an air hole, 7, a material feeding area, 8 and a pre-storage area.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, which is a schematic structural diagram of the present invention, a resistance value testing stepper comprises a housing 1, wherein a turntable 2 is rotatably mounted on a top surface of the housing 1, a plurality of placing grooves 21 for placing metal sheets are formed in the turntable 2, and a material storage mechanism 3, a feeding mechanism 4, a testing mechanism 5 and a discharging mechanism 6 are sequentially mounted around the turntable 2 clockwise;
the feeding mechanism 4 is used for sucking the metal sheets in the material storage mechanism 3 and transferring the metal sheets into the placing groove 21 of the rotary disc 2, the area where the feeding mechanism 4 sucks the metal sheets is a feeding area 7, and the periphery of the feeding area 7 is a pre-storage area 8;
the material storing mechanism 3 comprises a material storing frame 31, and a first material storing component 32 and a second material storing component 33 which are fixed on the material storing frame 31, wherein the first material storing component 32 and the second material storing component 33 are both used for storing metal sheets, the material storing frame 31 is slidably mounted on the shell 1, and the material storing frame 31 slides to enable the first material storing component 32 and the second material storing component 33 to be switched between the material loading area 7 and the material pre-storing area 8;
the testing mechanism 5 is used for testing the metal sheets in the placing groove 21;
Stock mechanism 3 still includes slider 34, guide rail 35 and electric push rod 36, guide rail 35 is fixed in casing 1 left side, slider 34 slidable mounting is on guide rail 35, just slider 34 and stock frame 31 fixed connection, electric push rod 36 is fixed on casing 1, the push rod tip and the stock frame 31 fixed connection of electric push rod 36, guide rail 35 and electric push rod 36 all arrange along the Y axle direction, and electric push rod 36 provides power for the removal of stock frame, and moves the precision height, and guide rail 35 and the cooperation of slider 34 have improved the stability of stock frame 31 at the removal in-process.
As shown in fig. 1 and 2, the first material storage assembly 32 and the second material storage assembly 33 are a plurality of material storage barrels 37 arranged in an arc shape, the diameter of the arc where the material storage barrels 37 are located is equal to the diameter of the circle where the placing groove 21 is located, return springs 38 for abutting against the metal sheets are installed in the material storage barrels 37, and the height of the metal sheet left after the metal sheet located at the topmost end is taken away can be increased along with the metal sheet through the elastic force of the return springs 38, so that the metal sheet can be conveniently taken out by the feeding mechanism 4.
As shown in fig. 1 and fig. 2, the feeding mechanism 4 includes a feeding driving assembly 41, an adsorption connecting plate 42, and a plurality of vacuum suction heads 43, the feeding driving assembly 41 and the adsorption connecting plate 42 are fixedly connected, the vacuum suction heads 43 are adjustably fixed on the adsorption connecting plate 42, the vacuum suction heads 43 correspond to the material storage barrels 37 of the first material storage assembly 32 one-to-one, the feeding driving assembly 41 drives the vacuum suction heads 43 to move, the vacuum suction heads 43 are connected to a vacuum pump or an air pump through air pipes, and the feeding driving assembly 41 drives the vacuum suction heads 43 to move along the X-axis and Z-axis directions.
As shown in fig. 1 and 2, the feeding driving assembly 41 includes a feeding frame 411, a sliding rod 412, a sliding seat 413, a rack 414, a gear 415, a motor 416, and a hydraulic cylinder 417, wherein the sliding rod 412 is fixed on the feeding frame 411, the sliding seat 413 is slidably mounted on the sliding rod 412, the rack 414 is fixedly connected to the rear side of the sliding seat 413, the rack 414 is engaged with the gear 415, an output end of the motor 416 is in transmission connection with the gear 415, the hydraulic cylinder 417 is fixedly connected to the sliding seat 413, and a piston rod of the hydraulic cylinder 417 is fixedly connected to the suction connection plate 42, so that the matching between the rack 414 and the gear 415 enables the moving precision of the feeding mechanism 4 to be high, and the sliding rod 412 and the sliding seat 413 improve the stability of the feeding mechanism 4 in operation.
The turntable 2 is further provided with a plurality of air guide grooves 22, the air guide grooves 22 correspond to the placing grooves 21 one by one, and the output ends of the air guide grooves 22 are communicated with the input ends of the placing grooves 21 corresponding to the air guide grooves 22.
As shown in fig. 1, 2, and 3, the discharging mechanism 6 includes a discharging frame 61, and a plurality of blowing joints 62, material pipes 63, and material receiving plates 64, where the blowing joints 62, the material pipes 63, and the material receiving plates 64 are all in one-to-one correspondence, an output end of the blowing joints 62 is aligned with the air guide slot 22, the blowing joints 62 are fixedly connected with the discharging frame 61, the blowing joints 62 are connected with an air pump through air pipes, the material pipes 63 are located at output ends of the corresponding placing slots 21, a bottom surface of the material receiving plates 64 is fixedly connected with a top surface of the material pipes 63, the material receiving plates 64 are provided with a plurality of air holes 641, the material receiving plates 64 are used for receiving and guiding metal sheets into the material pipes 63, the number of the material pipes 63 can be increased or decreased according to the number of the set resistance ranges, and one material pipe 63 corresponds to the resistance range of one metal sheet.
When the device is used, an external power supply is connected and controlled by a controller, when the device is initially operated, metal sheets are placed in the material storage cylinders 37 of the first material storage component 32 and the second material storage component 33, at the moment, the first material storage component 32 is located in the material loading area 7, the second material storage component 33 is located in the material pre-storage area 8, the motor 416 drives the gear 415 to rotate, the gear 415 drives the rack 414 to move, so that the vacuum suction head 43 moves into the material loading area 7 along the X axis, the vacuum suction head 43 is located above the corresponding material storage cylinder 37, the hydraulic cylinder 417 drives the vacuum suction head 43 to move the metal sheets in the material storage cylinder 37 along the Z axis direction and then transfers the metal sheets into the placing groove 21 of the turntable 2, the turntable 2 rotates to move the metal disc to be tested to the testing mechanism 5 to complete the test, the turntable 2 rotates again to the discharging mechanism 6, according to different resistance values, the corresponding air blowing joint 62 is started to blow the metal sheets out of the placing groove 21, the receiving plate 64 is used for receiving the metal sheet and guiding the metal sheet into the material pipe 63 in the resistance range corresponding to the resistance value of the metal sheet, so that qualified metal sheets are selected.
The air blowing joint 62 and the material pipe 63 of the discharging mechanism 6 are sequentially divided into a first air blowing joint, a second air blowing joint, a third air blowing joint, a first material pipe, a second material pipe and a third material pipe according to the circumferential arrangement of the turntable 2, wherein the first material pipe is used for metal sheets with the resistance value in the range A to pass through, the second material pipe is used for metal sheets with the resistance value in the range B to pass through, the third material pipe is used for metal sheets with the resistance value in the range C to pass through, and when the resistance value of the metal sheets is detected by the testing mechanism 5; when the resistance value is within the range A, the metal sheet is transferred to the position below the first blowing joint by the rotary table 2, and the metal sheet is blown into the first material pipe by the first blowing joint; when the resistance value is in the range B, the metal sheet is conveyed to the position below a second air blowing joint by the rotary table 2, and the metal sheet is blown into a second material pipe by the second air blowing joint; when the resistance value is within the C range, the metal sheet is transferred to the lower part of a third air blowing joint by the rotary table 2, and the metal sheet is blown into a third material pipe by the third air blowing joint.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. A resistance value testing grading machine comprises a shell (1) and is characterized in that a rotary table (2) is rotatably mounted on the top surface of the shell (1), a plurality of placing grooves (21) for placing metal sheets are formed in the rotary table (2), and a material storing mechanism (3), a material loading mechanism (4), a testing mechanism (5) and a material unloading mechanism (6) are sequentially mounted around the rotary table (2) clockwise;
the feeding mechanism (4) is used for sucking the metal sheets in the material storage mechanism (3) and transferring the metal sheets into a placing groove (21) of the turntable (2), the area where the metal sheets are sucked by the feeding mechanism (4) is a feeding area (7), and the periphery of the feeding area (7) is a pre-storage area (8);
the material storage mechanism (3) comprises a material storage frame (31), and a first material storage assembly (32) and a second material storage assembly (33) which are fixed on the material storage frame (31), wherein the first material storage assembly (32) and the second material storage assembly (33) are used for storing metal sheets, the material storage frame (31) is slidably mounted on the shell (1), and the material storage frame (31) slides to enable the first material storage assembly (32) and the second material storage assembly (33) to be switched between the material loading area (7) and the material pre-storing area (8);
the testing mechanism (5) is used for testing the metal sheets in the placing groove (21);
the discharging mechanism (6) is used for sorting and discharging the tested metal sheets in the placing groove (21) according to different resistance values.
2. The resistance value testing stepper of claim 1, further comprising: stock mechanism (3) still include slider (34), guide rail (35) and electric push rod (36), casing (1) left side is fixed in guide rail (35), slider (34) slidable mounting is on guide rail (35), just slider (34) and stock frame (31) fixed connection, electric push rod (36) are fixed on casing (1), the push rod tip and the stock frame (31) fixed connection of electric push rod (36), Y axle direction is all arranged along to guide rail (35) and electric push rod (36).
3. The resistance value testing stepper of claim 1, further comprising: the first material storage assembly (32) and the second material storage assembly (33) are a plurality of material storage barrels (37) which are arranged in an arc shape, the diameter of an arc line where the material storage barrels (37) are located is equal to the diameter of a circle where the placing groove (21) is located, and return springs (38) which are used for abutting against metal sheets are installed in the material storage barrels (37).
4. The resistance value testing stepper of claim 1, further comprising: the feeding mechanism (4) comprises a feeding driving assembly (41), an adsorption connecting plate (42) and a plurality of vacuum suction heads (43), the feeding driving assembly (41) is fixedly connected with the adsorption connecting plate (42), the vacuum suction heads (43) can be adjusted and fixed on the adsorption connecting plate (42), the vacuum suction heads (43) correspond to the material storage barrels (37) of the first material storage assembly (32) one by one, the feeding driving assembly (41) drives the vacuum suction heads (43) to move, and the vacuum suction heads (43) are connected with a vacuum pump through air pipes.
5. The resistance value testing stepper of claim 4, wherein: the feeding driving assembly (41) comprises a feeding frame (411), a sliding rod (412), a sliding seat (413), a rack (414), a gear (415), a motor (416) and a hydraulic cylinder (417), the sliding rod (412) is fixed on the feeding frame (411), the sliding seat (413) is installed on the sliding rod (412) in a sliding mode, the rack (414) is fixedly connected with the rear side of the sliding seat (413), the rack (414) is meshed with the gear (415), the output end of the motor (416) is in transmission connection with the gear (415), the hydraulic cylinder (417) is fixedly connected with the sliding seat (413), and a piston rod of the hydraulic cylinder (417) is fixedly connected with the adsorption connecting plate (42).
6. The resistance value testing stepper of claim 1, further comprising: the turntable (2) is further provided with a plurality of air guide grooves (22), the air guide grooves (22) are in one-to-one correspondence with the placing grooves (21), and the output ends of the air guide grooves (22) are communicated with the input ends of the placing grooves (21) corresponding to the air guide grooves.
7. The resistance value testing stepper of claim 1, further comprising: the discharging mechanism (6) comprises a discharging frame (61), a plurality of air blowing joints (62), material pipes (63) and material receiving plates (64), wherein the air blowing joints (62), the material pipes (63) and the material receiving plates (64) are in one-to-one correspondence, the output ends of the air blowing joints (62) are aligned to the air guide grooves (22), the air blowing joints (62) are fixedly connected with the discharging frame (61), the air blowing joints (62) are connected with the air pump through air pipes, the material pipes (63) are located at the output ends of the corresponding placing grooves (21), the bottom surfaces of the material receiving plates (64) are fixedly connected with the top surfaces of the material pipes (63), a plurality of air holes (641) are formed in the material receiving plates (64), and the material receiving plates (64) are used for receiving metal sheets and guiding the metal sheets into the material pipes (63).
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| CN202111143665.4A CN113578794A (en) | 2021-09-28 | 2021-09-28 | Resistance value testing and grading machine |
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| CN202111143665.4A CN113578794A (en) | 2021-09-28 | 2021-09-28 | Resistance value testing and grading machine |
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| CN107745964A (en) * | 2017-10-09 | 2018-03-02 | 惠州市大容电子科技有限公司 | Paster type resistor detecting system and the production equipment comprising the detecting system |
| CN207746141U (en) * | 2017-11-16 | 2018-08-21 | 鸿利智汇集团股份有限公司 | A kind of anti-device for injuring material of LED light splitting |
| CN107826754A (en) * | 2017-12-05 | 2018-03-23 | 东莞理工学院 | A kind of mobile phone shell receiver that can be realized material receiver and stack feeding |
| CN208188208U (en) * | 2018-05-15 | 2018-12-04 | 常州市武进天一电子器件有限公司 | A kind of piezoelectric ceramic piece detection device |
| CN210339545U (en) * | 2019-07-15 | 2020-04-17 | 深圳市志胜威电子设备有限公司 | Full-automatic solder paste printing machine material loading mechanism of plugging into |
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| CN211134674U (en) * | 2019-09-29 | 2020-07-31 | 芜湖凯龙电子科技有限公司 | Electrode plate sorting device |
| CN111284787A (en) * | 2020-02-24 | 2020-06-16 | 罗嘉琦 | Foam filling machine for logistics packaging shock absorption |
| CN212531351U (en) * | 2020-03-12 | 2021-02-12 | 江苏鑫康新型墙体材料有限公司 | Feeding device for automatically conveying bricklaying supporting plate |
| CN112224902A (en) * | 2020-09-27 | 2021-01-15 | 苏州富强科技有限公司 | Alternative feeding and conveying device |
| CN213468713U (en) * | 2020-10-12 | 2021-06-18 | 南京新康达磁业股份有限公司 | High-frequency nickel-zinc ferrite impedance sorting device |
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Application publication date: 20211102 |