Washing machine NTC testing and marking all-in-one machine

Abstract

The utility model relates to the technical field of washing machines, in particular to an NTC (Negative Temperature Coefficient) testing and marking all-in-one machine for a washing machine, which comprises a feeding and supplying device and a testing and marking device which is arranged on one side of the feeding and supplying device in an abutting manner, a rotating disc and a testing mechanism are arranged on one side in the testing and marking device, a marking and visual inspection mechanism is arranged on the surface of the testing and marking device and located on one side of the rotating disc and the testing mechanism, and a discharging mechanism is arranged on one side of the testing and marking device. According to the utility model, feeding, testing, marking and visual inspection are integrated, so that the automation degree is improved, the labor intensity during product testing and marking is reduced, and the working efficiency is improved; in addition, the marking position is accurate, and the phenomenon of marking missing or marking errors is avoided; and meanwhile, the defective products at each station are discharged at the current station, so that the phenomenon of line mixing of the defective products is avoided, and the yield during production is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of washing machines, in particular to an NTC testing and marking integrated machine for washing machines. Background Art

[0002] A washing machine is a cleaning appliance that uses electrical energy to generate mechanical action to wash clothes. It uses water as the main cleaning liquid and has the functions of decontamination and sterilization. Washing machines are generally equipped with temperature sensors, and temperature sensors require NTC product testing and marking during production.

[0003] Existing products require manual operation during test marking, and the degree of automation is low, which increases the labor intensity during test marking and reduces the work efficiency during the test marking process; and because the entire marking process needs to be operated manually, the marking position is not accurate enough, and it is easy to miss marking or mark incorrectly. At the same time, the existing production line is prone to mixing of defective products, which brings great troubles to people's use. Utility Model Content

[0004] The utility model aims to provide an all-in-one NTC testing and marking machine for washing machines, so as to solve the problems in the above-mentioned background technology that the manual operation has a low degree of automation, the marking position is inaccurate, and defective products are easily mixed into the production line.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a washing machine NTC test and marking integrated machine, comprising a loading and feeding device and a testing and marking device placed closely on one side of the loading and feeding device, wherein a loading and feeding mechanism is arranged inside the loading and feeding device, and the loading and feeding mechanism is used for loading and feeding of NTC products to be tested; a turntable and a testing mechanism are arranged on one side inside the testing and marking device, and the turntable and the testing mechanism are used for testing the NTC products to be tested fed by the loading and feeding mechanism; the turntable and the testing mechanism are composed of a turntable structure, a withstand voltage component and a resistance testing station, the turntable structure is provided with a surface of the testing and marking device, and the surface of the testing and marking device is located on the outer side of the turntable structure and is provided with a withstand voltage component and a resistance testing station; the surface of the testing and marking device is located on one side of the turntable and the testing mechanism, and a marking and visual inspection mechanism is arranged, and the marking and visual inspection mechanism is used for marking and visual inspection; a discharging mechanism is arranged on one side of the testing and marking device, and the discharging mechanism is used for discharging good NTC test products.

[0006] Preferably, the unloading mechanism includes an unloading conveyor and a material receiving box. The unloading conveyor is located on one side of the testing and marking device, and a plurality of groups of material receiving boxes are placed on the surface of the unloading conveyor. The material receiving boxes are used for receiving materials when unloading good products in NTC testing.

[0007] Preferably, the loading and feeding mechanism includes a product storage bin, a circular vibration plate, a straight vibration, a product mismatching component, a double-headed PPU clamp and a product selection component. The product storage bin, the circular vibration plate and the straight vibration are sequentially installed on the surface of the loading and feeding device from left to right. The product mismatching component is installed on the surface of the loading and feeding device and on one side of the straight vibration through a bracket. The surface of the loading and feeding device is also installed with a double-headed PPU clamp and a product selection component. The double-headed PPU clamp clamps the products mismatched by the product mismatching component into the product selection component, and at the same time, it clamps the products selected by the product selection component into the turntable and the testing mechanism.

[0008] Preferably, the turntable structure is composed of a circular turntable, a cam divider and a spring centering clamp, the cam divider is installed on the surface of the testing and marking device, and a circular turntable that can rotate circumferentially is fixed to the output end of the cam divider, and six groups of spring centering clamps are fixed to the surface of the circular turntable.

[0009] Preferably, the pressure-resistant component includes upper and lower cylinders, a test probe and a defective product box. The upper and lower cylinders are fixed to the surface of the testing and marking device through brackets, and the output ends of the upper and lower cylinders are fixed with test probes through adjustment modules. The test probes are used for high-voltage testing of product resistance.

[0010] Preferably, the marking and visual inspection mechanism includes a four-head PPU clamp, a two-head PPU clamp, a marking assembly, a visual inspection assembly, an NG material box and a good material guide box installed on the surface of the test and marking device; the marking assembly consists of a mounting plate, a laser marker and a rotating motor fixture; the laser marker is fixed to the surface of the test and marking device through the mounting plate; a rotating motor fixture is fixed to one side of the laser marker on the surface of the test and marking device; and the rotating motor fixture is used to rotate the product so that the laser marker completes marking work at different positions.

[0011] Preferably, the visual inspection component includes a carrier rotating table, a left CCD camera, a middle CCD camera and a right CCD camera, two sets of carrier rotating tables are fixed on the surface of the testing and marking device, and when the four-head PPU clamps are working, the spring centering clamp, the rotating motor clamp and the products in the two sets of carrier rotating tables are transported to the next workstation in sequence, the left CCD camera, the middle CCD camera and the right CCD camera are fixed on the surface of the testing and marking device through a bracket, and the defective products detected by the left CCD camera, the middle CCD camera and the right CCD camera will be transported to the NG material box by the four-head PPU clamps and the two-head PPU clamps, and the good products will be transported to the good product guide box by the two-head PPU clamps.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the NTC testing and marking integrated machine for washing machine is provided with a feeding device and a testing and marking device, and the feeding mechanism in the feeding device is used for feeding, and the feeding device is used for testing after feeding, and the test is performed by the turntable and the testing mechanism in the testing and marking device, and the withstand voltage component and the resistance testing station respectively perform withstand voltage and resistance tests during the test, and the marking component and the visual inspection component in the marking and visual inspection mechanism respectively perform marking and visual inspection after the test, thereby completing the testing and marking work of the NTC product to be tested; the utility model integrates feeding, testing, marking and visual inspection into one, improves the degree of automation, and does not require manual auxiliary operation during the testing and marking process, reduces the labor intensity during product testing and marking, and improves the work efficiency; and because the entire marking process is automatically completed by the machine, and there is no manual operation in the middle, the position during marking is more accurate, and there will be no phenomenon of missing marking or marking errors; at the same time, defective products of each station are discharged at the current station, avoiding the phenomenon of defective products mixing lines, thereby increasing the yield rate during production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional appearance structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the utility model in a vertical position when viewed from above;

[0016] Figure 4 This is a schematic diagram of the structure of the feeding device of the utility model;

[0017] Figure 5 This is a schematic diagram of the structure of the testing and marking device of the utility model;

[0018] Figure 6 It is an enlarged structural diagram of the turntable and the testing mechanism of the utility model;

[0019] Figure 7 It is an enlarged structural diagram of the marking and visual inspection mechanism of the utility model.

[0020] In the figure: 1. Loading and feeding device; 2. Testing and marking device; 3. Unloading mechanism; 31. Unloading conveyor; 32. Receiving box; 4. Loading and feeding mechanism; 41. Product storage bin; 42. Circular vibration plate; 43. Direct vibration; 44. Product misalignment assembly; 45. Double-headed PPU clamp; 46. Product direction selection assembly; 5. Turntable and testing mechanism; 51. Turntable structure; 511. Circular turntable; 512. Cam divider; 513. Spring centering fixture; 52. Pressure-resistant assembly; 521. Upper and lower cylinders; 522. Test probe; 523. Defective product box; 53. Resistance test station; 6. Marking and visual inspection mechanism; 61. Four-head PPU clamp; 62. Two-head PPU clamp; 63. Marking component; 631. Mounting plate; 632. Laser marker; 633. Rotating motor fixture; 64. Visual inspection component; 641. Carrier rotating table; 642. Left CCD camera; 643. Middle CCD camera; 644. Right CCD camera; 65. NG material box; 66. Good product guide box. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. In addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. At the same time, in the description of the present invention, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0022] The structure of the NTC testing and marking integrated machine for washing machines provided by the utility model is as follows: Figure 1 as well as Figure 4As shown, it includes a feeding device 1 and a testing and marking device 2 placed close to one side of the feeding device 1. A feeding mechanism 4 is arranged inside the feeding device 1. The feeding mechanism 4 is used for feeding the NTC product to be tested. The feeding mechanism 4 includes a product storage bin 41, a circular vibration plate 42, a straight vibration 43, a product staggering component 44, a double-headed PPU clamp 45 and a product selection component 46. The product storage bin 41, the circular vibration plate 42 and the straight vibration 43 are arranged from the left to the right. The surfaces of the loading and feeding device 1 are installed from right to left in sequence. A product misalignment component 44 is installed on the surface of the loading and feeding device 1 and is located on one side of the straight vibration 43 through a bracket. A double-headed PPU clamp 45 and a product selection component 46 are also installed on the surface of the loading and feeding device 1. The double-headed PPU clamp 45 clamps the products misaligned by the product misalignment component 44 into the product selection component 46, and at the same time, the products selected by the product selection component 46 are clamped onto the turntable and the spring centering fixture 513 in the testing mechanism 5.

[0023] During implementation, the NTC products to be tested are placed in the product storage bin 41 for storage, with more than 1000 pcs stored at a time. Then the products enter the circular vibration plate 42 and are fed by the direct vibration 43. During feeding, the products are misclassified by the double-headed PPU clamp 45. After misclassification, the products to be tested are clamped by the double-headed PPU clamp 45 and placed in the product selection component 46, and the product selection component 46 performs product selection.

[0024] Furthermore, if Figure 5 as well as Figure 6 As shown, a turntable and a testing mechanism 5 are provided on one side inside the testing and marking device 2, and the turntable and the testing mechanism 5 are used to test the NTC product to be tested fed by the feeding mechanism 4. The turntable and the testing mechanism 5 are composed of a turntable structure 51, a withstand voltage component 52 and a resistance testing station 53. The turntable structure 51 is provided with the surface of the testing and marking device 2, and the withstand voltage component 52 and the resistance testing station 53 are provided on the surface of the testing and marking device 2 located on the outside of the turntable structure 51.

[0025] During implementation, the circular turntable 511 is driven to rotate by the cam divider 512 , and at the same time, the products on the spring centering fixture 513 on the surface of the circular turntable 511 will enter the pressure-resistant component 52 for pressure-resistant testing.

[0026] Furthermore, if Figure 2 as well as Figure 6As shown, the turntable structure 51 is composed of a circular turntable 511, a cam divider 512 and a spring centering clamp 513. The cam divider 512 is installed on the surface of the testing and marking device 2, and the output end of the cam divider 512 is fixed with a circular turntable 511 that can rotate circumferentially, and six groups of spring centering clamps 513 are fixed on the surface of the circular turntable 511. The pressure-resistant component 52 includes an upper and lower cylinder 521, a test probe 522 and a defective product box 523. The upper and lower cylinders 521 are fixed to the surface of the testing and marking device 2 through a bracket, and the output end of the upper and lower cylinders 521 is fixed with a test probe 522 through an adjusting linear module. The test probe 522 is used for high-voltage testing of product resistance.

[0027] During implementation, the test probe 522 is driven by the upper and lower cylinders 521 to perform testing. Since the test probe 522 is designed and processed with copper material, it can avoid the problem of misjudgment of poor contact. The defective products tested will fall into the defective product box 523, and the defective products that fall into the box will be discharged at the station to prevent the defective products from mixing into the production line. Subsequently, the resistance test is performed through the resistance test station 53.

[0028] Furthermore, if Figure 3 as well as Figure 7 As shown, a marking and visual inspection mechanism 6 is provided on the surface of the test and marking device 2, which is located on one side of the turntable and the test mechanism 5. The marking and visual inspection mechanism 6 is used for marking and visual inspection. The marking and visual inspection mechanism 6 includes a four-head PPU clamp 61, a two-head PPU clamp 62, a marking component 63, a visual inspection component 64, an NG material box 65 and a good material guide box 66 installed on the surface of the test and marking device 2. The marking component 63 is composed of a mounting plate 631, a laser marker 632 and a rotating motor fixture 633. The laser marker 632 is fixed to the surface of the test and marking device 2 through the mounting plate 631. A rotating motor fixture 633 is fixed on one side of the laser marker 632 on the surface of the test and marking device 2, and the rotating motor fixture 633 is used to rotate the product so that the laser marker 632 completes marking work at different positions.

[0029] During implementation, the products are transported in sequence by the four-head PPU clamp 61, and the products on the spring centering clamp 513 will be clamped by the four-head PPU clamp 61 and placed on the rotating motor clamp 633, and the products are rotated by the rotating motor clamp 633, and then the laser marker 632 marks the products.

[0030] Furthermore, if Figure 5 as well as Figure 7As shown, the visual inspection component 64 includes a carrier rotating table 641, a left CCD camera 642, a middle CCD camera 643 and a right CCD camera 644, two sets of carrier rotating tables 641 are fixed on the surface of the testing and marking device 2, and when the four-head PPU clamp 61 is working, the spring centering clamp 513, the rotating motor clamp 633 and the products in the two sets of carrier rotating tables 641 are transported to the next workstation in sequence, the left CCD camera 642, the middle CCD camera 643 and the right CCD camera 644 are fixed on the surface of the testing and marking device 2 through a bracket, and the defective products detected by the left CCD camera 642, the middle CCD camera 643 and the right CCD camera 644 will be transported to the NG material box 65 by the four-head PPU clamp 61 and the two-head PPU clamp 62, and the good products will be transported to the good product guide box 66 by the two-head PPU clamp 62.

[0031] During implementation, the left CCD camera 642 is used to visually inspect the appearance of the plastic shell, laser printing, overflow and insufficient glue detection, the middle CCD camera 643 is used to inspect the verticality of the iron shell and the distance from the plastic shell to the iron shell, and the right CCD camera 644 is used to visually inspect the appearance of the iron shell.

[0032] Furthermore, if Figure 1 as well as Figure 2 As shown, a material unloading mechanism 3 is provided on one side of the testing and marking device 2, and the material unloading mechanism 3 is used for unloading good NTC test products. The material unloading mechanism 3 includes a material unloading conveyor 31 and a material receiving box 32. The material unloading conveyor 31 is located on one side of the testing and marking device 2, and a plurality of groups of material receiving boxes 32 are placed on the surface of the material unloading conveyor 31. The material receiving boxes 32 are used for receiving materials when unloading good NTC test products.

[0033] During implementation, good products will pass through the two PPU clamps 62 and the good product guide box 66 into the receiving box 32 for unloading, and will be transported out of the receiving box 32 through the unloading conveyor 31.

[0034] Working principle: When in use, first put the NTC product to be tested into the product storage bin 41 for storage, with more than 1000 pcs stored at a time, and then the product enters the circular vibration plate 42 and is fed by the direct vibration 43. During feeding, the double-headed PPU clamp 45 is used to sort the products. After sorting, the product to be tested is clamped by the double-headed PPU clamp 45 and placed in the product orientation selection component 46, and the product orientation is selected by the product orientation selection component 46. At the same time, the product after orientation selection is clamped by the double-headed PPU clamp 45 and placed on the turntable and the spring centering fixture 513 in the test mechanism 5 to realize subsequent testing.

[0035] When the NTC product to be tested is tested, the circular turntable 511 is driven to rotate by the cam divider 512, and the product on the spring centering fixture 513 on the surface of the circular turntable 511 will enter the pressure-resistant component 52 for pressure resistance test. During the test, the test probe 522 is driven by the upper and lower cylinders 521 to perform the test. Since the test probe 522 is designed and processed with copper materials, the problem of misjudgment due to poor contact can be avoided. The defective products tested will fall into the defective product box 523, and the defective products that fall into it will be discharged at the station to prevent the defective products from being mixed into the production line. Then the resistance test is performed through the resistance test station 53.

[0036] After the test, the products are transported in sequence by the four-head PPU clamp 61, and the products on the spring centering clamp 513 will be clamped by the four-head PPU clamp 61 and placed on the rotating motor clamp 633, and the product is rotated by the rotating motor clamp 633, and then the laser marker 632 marks the product. After marking, the product is clamped by the four-head PPU clamp 61 and placed on the carrier rotating table 641, and the left CCD camera 642 is used to visually inspect the appearance of the plastic shell, laser printing, overflow glue, and insufficient glue detection in turn, and the middle CCD camera 643 is used to inspect the verticality of the iron shell and the distance from the plastic shell to the iron shell, and the right CCD camera 644 is used to visually inspect the appearance of the iron shell. Defective products in the inspection process will fall into the corresponding NG material box 65, and the defective products that fall into it will be thrown out at the current workstation, while good products will pass through the two-head PPU clamp 62 and the good product guide box 66 into the receiving box 32 for unloading, and the receiving box 32 will be transported out by the unloading conveyor 31.

[0037] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A washing machine NTC testing and marking integrated machine, comprising a feeding device (1) and a testing and marking device (2) placed close to one side of the feeding device (1), characterized in that: The loading and feeding device (1) is provided with a loading and feeding mechanism (4) inside, and the loading and feeding mechanism (4) is used for loading and feeding the NTC product to be tested; a turntable and a testing mechanism (5) are provided on one side inside the testing and marking device (2), and the turntable and the testing mechanism (5) are used for testing the NTC product to be tested fed by the loading and feeding mechanism (4); the turntable and the testing mechanism (5) are composed of a turntable structure (51), a withstand voltage component (52) and a resistance testing station (53); the turntable structure (51) is provided with The surface of the testing and marking device (2) is provided, and the surface of the testing and marking device (2) is located outside the turntable structure (51) and is provided with a withstand voltage component (52) and a resistance test station (53); the surface of the testing and marking device (2) is located on one side of the turntable and the testing mechanism (5) and is provided with a marking and visual inspection mechanism (6), and the marking and visual inspection mechanism (6) is used for marking and visual inspection work; the side of the testing and marking device (2) is provided with a feeding mechanism (3), and the feeding mechanism (3) is used for feeding good NTC test products.

2. The NTC testing and marking integrated machine for washing machines according to claim 1, characterized in that: The unloading mechanism (3) comprises an unloading conveyor (31) and a material receiving box (32). The unloading conveyor (31) is located on one side of the testing and marking device (2), and a plurality of groups of material receiving boxes (32) are placed on the surface of the unloading conveyor (31). The material receiving boxes (32) are used for receiving materials when unloading good products in NTC testing.

3. The NTC testing and marking integrated machine for washing machines according to claim 1, characterized in that: The loading and feeding mechanism (4) comprises a product storage bin (41), a circular vibration plate (42), a straight vibration plate (43), a product misalignment component (44), a double-headed PPU clamp (45) and a product selection component (46). The product storage bin (41), the circular vibration plate (42) and the straight vibration plate (43) are sequentially installed on the surface of the loading and feeding device (1) from left to right. The product misalignment component (44) is installed on the surface of the loading and feeding device (1) and on one side of the straight vibration plate (43) through a bracket. The surface of the loading and feeding device (1) is also installed with a double-headed PPU clamp (45) and a product selection component (46). The double-headed PPU clamp (45) clamps the misaligned products of the product misalignment component (44) into the product selection component (46), and at the same time clamps the products selected by the product selection component (46) into the turntable and the testing mechanism (5).

4. The NTC testing and marking integrated machine for washing machines according to claim 1, characterized in that: The turntable structure (51) is composed of a circular turntable (511), a cam divider (512) and a spring centering fixture (513); the cam divider (512) is installed on the surface of the testing and marking device (2); a circular turntable (511) that can rotate in a circumferential direction is fixed to the output end of the cam divider (512); and six groups of spring centering fixtures (513) are fixed to the surface of the circular turntable (511).

5. The NTC testing and marking integrated machine for washing machines according to claim 1, characterized in that: The pressure-resistant component (52) comprises an upper and lower cylinder (521), a test probe (522) and a defective product box (523); the upper and lower cylinders (521) are fixed to the surface of the testing and marking device (2) via a bracket, and the output end of the upper and lower cylinders (521) is fixed with a test probe (522) via an adjustment module; the test probe (522) is used for high-voltage testing of product resistance.

6. The NTC testing and marking integrated machine for washing machines according to claim 1, characterized in that: The marking and visual inspection mechanism (6) comprises a four-head PPU clamp (61), a two-head PPU clamp (62), a marking assembly (63), a visual inspection assembly (64), an NG material box (65) and a good product guide box (66) installed on the surface of the testing and marking device (2); the marking assembly (63) comprises a mounting plate (631), a laser marker (632) and a rotating motor fixture (633); the laser marker (632) is fixed to the surface of the testing and marking device (2) through the mounting plate (631); a rotating motor fixture (633) is fixed to one side of the laser marker (632) on the surface of the testing and marking device (2); and the rotating motor fixture (633) is used to rotate the product so that the laser marker (632) completes the marking work at different positions.

7. The NTC testing and marking integrated machine for washing machines according to claim 6, characterized in that: The visual inspection component (64) includes a carrier rotating platform (641), a left CCD camera (642), a middle CCD camera (643) and a right CCD camera (644). Two sets of carrier rotating platforms (641) are fixed on the surface of the testing and marking device (2). When the four-head PPU clamp (61) is working, the spring centering fixture (513), the rotating motor fixture (633) and the products in the two sets of carrier rotating platforms (641) are sequentially transported to the next station. The left CCD camera (642) The D camera (642), the middle CCD camera (643) and the right CCD camera (644) are fixed on the surface of the testing and marking device (2) by a bracket, and defective products detected by the left CCD camera (642), the middle CCD camera (643) and the right CCD camera (644) will be transported to the NG material box (65) by the four-head PPU clamp (61) and the two-head PPU clamp (62), while good products will be transported to the good product guide box (66) by the two-head PPU clamp (62).

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