Printing and measuring integrated device

Abstract

The invention discloses a printing and measuring integrated device, and relates to the technical field of electronic device printing devices. The polarity detection unit is mounted on the rack; the material distribution unit is mounted on the rack, and the material distribution unit is positioned below the polarity detection unit; the printing unit is mounted on the rack, and the printing unit is matched with the material distributing unit; the printing unit comprises a printing support installed on the side face of the rack. The printing bottom plate is mounted on the bottom side of the printing bracket; the printing power unit is mounted on the printing bottom plate; the driving wheel is mounted at the output end of the printing power unit; the transmission wheels are installed on the printing support at intervals, and the transmission wheels are matched with the driving wheel; and the multiple printing wheels are installed on the printing support at intervals, the outer edges of the printing wheels are in contact fit with the transmission wheels, and the printing wheels are used for completing printing of the materials in the material distributing units. The technical problem that an existing printing device is low in efficiency is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of electronic device printing devices, and in particular to a printing and testing integrated device. Background Art

[0002] Automotive diodes are mainly divided into rectifier diodes and voltage regulator diodes. Rectifier diodes are used in the rectifier of the automotive generator. Rectifier diodes form a rectifier circuit to convert the alternating current generated by the generator into direct current that can be used in automotive electrical appliances. Voltage regulator diodes are devices in the circuit boards inside the car. The working current of each electrical appliance and component is very large, so all devices that require stable voltage are used to obtain the required voltage in some places where precise voltage is required. When using automotive diodes, it is necessary to distinguish between the positive and negative poles, because automotive diodes only allow current to flow in a single direction. Therefore, they are printed on specific sides of automotive diodes and marked, so that users can correctly distinguish between the positive and negative poles when using them.

[0003] Existing printing devices all include polarity detection, sorting and printing mechanisms. The printing mechanism is a top-down printing structure, that is, a power mechanism is used to push the printing head to squeeze the material surface for printing. After completion, the power mechanism drives the printing head to reset, and then waits for the next material to arrive before performing the aforementioned action again. Such printing efficiency is low and uniformity cannot be guaranteed. Summary of the invention

[0004] The purpose of the present invention is to provide a printing and measuring integrated device, which solves the technical problem of low efficiency of the printing device in the prior art.

[0005] The present application discloses a printing and testing integrated device, comprising: frame; A polarity detection unit is installed on the frame; A material distribution unit is installed on the frame, and the material distribution unit is located below the polarity detection unit; A printing unit is installed on the frame, and the printing unit cooperates with the material dispensing unit; The printing unit comprises: A printing bracket, mounted on the side of the frame; A printing base plate, mounted on the bottom side of the printing support; A printing power unit, mounted on the printing base plate; A driving wheel, mounted at the output end of the printing power unit; A plurality of transmission wheels are installed on the printing support at intervals, and the transmission wheels cooperate with the driving wheels; A plurality of printing wheels are installed on the printing bracket at intervals, and the outer edges of the printing wheels are in contact with the transmission wheel. The printing wheels are used to complete the printing of the materials in the material distribution unit.

[0006] The present application is provided with a printing unit, and multiple transmission wheels cooperate with each other to ensure the uniformity of ink coating. At the same time, the use of multiple printing wheels can improve the printing efficiency.

[0007] Based on the above technical solution, the embodiment of the present application can also be improved as follows: Furthermore, there are two printing wheels, and the two printing wheels rotate in opposite directions. The beneficial effect of adopting this step is that they will subsequently contact the outer side of the vehicle diode, thereby driving the vehicle diode to rotate, thereby improving the printing efficiency.

[0008] Further, the transmission wheel is divided into two first transmission wheels and two second transmission wheels; The first transmission wheel is mounted on the printing support, and the outer edges of the two first transmission wheels are in contact with each other, and the outer edge of the first transmission wheel located on the outside is in contact with the driving wheel; The second transmission wheel is installed on the printing bracket, and the second transmission wheel is located above the first transmission wheel; the outer edges of the two second transmission wheels are in contact with each other, and the outer edge of the second transmission wheel located on the outside is in contact with the outer edge of the first transmission wheel located on the outside. The beneficial effect of adopting this step is that the first transmission wheel and the second transmission wheel cooperate with each other to realize the transfer of ink, thereby ensuring the uniformity of subsequent printing.

[0009] Furthermore, one of the printing wheels contacts and cooperates with the outer edge of the second transmission wheel located on the inner side, and the remaining printing wheel contacts and cooperates with the outer edge of the first transmission wheel located on the inner side. The beneficial effect of adopting this step is to achieve different rotation directions of the two printing wheels through the corresponding transmission wheels.

[0010] Furthermore, the outer end of the printing wheel is provided with a convex edge, and the convex edges of the two printing wheels are opposite to each other. The beneficial effect of adopting this step is that the convex edge can save materials and achieve the printing function at the same time.

[0011] Furthermore, the driving wheel is a steel wheel, and the transmission wheel and the printing wheel are rubber wheels. The beneficial effect of adopting this step is that it facilitates the transfer of ink.

[0012] Furthermore, the polarity detection unit comprises: A polarity detection baffle, wherein a first feed trough is provided on the polarity detection baffle, and a first discharge trough is provided at the bottom of the polarity detection baffle; A polarity detection turntable is movably mounted on the polarity detection baffle, and a plurality of first grooves are spaced apart along the circumferential direction of the outer edge of the polarity detection turntable, and the outer edge of the polarity detection turntable is respectively connected with the first feed trough and the first discharge trough; A polarity outer baffle, installed on the outer side of the polarity detection baffle; The detection device is installed on the frame, and the detection head of the detection device cooperates with the polarity detection turntable to complete the polarity detection of the vehicle diode. The beneficial effect of adopting this step is to achieve rapid polarity detection through corresponding components.

[0013] Furthermore, the material distribution unit comprises: An adjustment unit is installed at the bottom of the polarity detection baffle, and the adjustment unit is used to adjust the polarity of the outward side of the vehicle diode to the same polarity; A printing auxiliary board, wherein a second material feeding slot is provided on the printing auxiliary board, and a second material discharge slot is provided at the bottom of the printing auxiliary board; A printing turntable is movably mounted on the printing auxiliary plate, and a plurality of second grooves are spaced apart along the circumferential direction of the outer edge of the printing turntable, and the outer edge of the printing turntable is respectively connected with the second feed trough and the second discharge trough; The printed outer baffle is installed on the outer side of the printed auxiliary plate. A printing port is provided on the printed outer baffle. The printing port corresponds to the outer edges of the printing wheel and the printing turntable respectively. The beneficial effect of this step is that after the corresponding device is used to realize the flip adjustment, the subsequent printing is completed after entering the second groove.

[0014] Further, the adjustment unit comprises: An adjusting baffle, wherein a third material discharge trough is provided on the adjusting baffle, and the third material discharge trough is connected with the first material discharge trough; A partition bar is vertically installed in the third material discharge chute, and the partition bar divides the third material discharge chute into left and right vertical channels arranged side by side; A separation pointer is movably installed inside the third feeding trough, and the separation pointer is located above the partition bar, and the separation pointer sends the vehicle diodes with different polarities facing outward into different vertical channels; A reversing mechanism is connected and arranged below any of the vertical channels. The reversing mechanism is used to complete the polarity adjustment of the vehicle diode. The beneficial effect of adopting this step is that various components cooperate with each other to achieve rapid separation and flipping.

[0015] Furthermore, the reversing mechanism comprises: A commutation column, wherein an arc-shaped channel is arranged on the outer side of the commutation column, and the arc-shaped channel enables the vehicle diode to be turned over; The reversing sleeve is sleeved on the reversing column. The beneficial effect of adopting this step is to achieve rapid face change through the reversing column.

[0016] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages: 1. The present application is provided with a printing unit, which utilizes printing wheels with different rotation directions to improve the efficiency and effect of printing.

[0017] 2. The present application is also provided with a material dividing unit, so as to achieve rapid flipping for subsequent printing operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a structural schematic diagram of a printing and measuring integrated device according to a specific embodiment of the present invention; Figure 2 for Figure 1 A schematic diagram of the structure of the neutral polarity detection unit; Figure 3 for Figure 2 Schematic diagram of the structure with the polarity outer baffle removed; Figure 4 for Figure 1 The structural diagram of the middle material distribution unit; Figure 5 for Figure 4 Schematic diagram of the internal structure of the material distribution unit; Figure 6 for Figure 1 The structural diagram of the printing unit; 1-frame; 2-polarity detection unit; 3-material dividing unit; 4-printing unit; 201-polarity detection baffle; 202-first feed trough; 203-first discharge trough; 204-polarity detection turntable; 205-first groove; 206-polarity outer baffle; 207-detection device; 301-adjustment unit; 302-printing auxiliary plate; 303-second feeding slot; 304-second unloading slot; 305-printing turntable; 306-second groove; 307-printing outer baffle; 308-printing port; 309-adjusting baffle; 310-third unloading chute; 311-spacer; 312-separation pointer; 313-vertical channel; 314-reversing mechanism; 315-reversing column; 316-arc channel; 317-reversing sleeve; 401-printing support; 402-printing base plate; 403-printing power unit; 404-driving wheel; 405-transmission wheel; 406-printing wheel; 407 - first transmission wheel; 408 - second transmission wheel; 409 - convex edge. DETAILED DESCRIPTION

[0020] The following embodiments of the technical solution of the present invention are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present invention, and are therefore only used as examples, and cannot be used to limit the protection scope of the present invention. It should be noted that, unless otherwise specified, the technical terms or scientific terms used in this application should have the common meanings understood by those skilled in the art to which the present invention belongs.

[0021] In this application, unless otherwise clearly specified and limited, the terms "installation", "connection", "fixation" and the like 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 a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0022] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0023] Example: like Figure 1-6 As shown, the present application discloses a printing and testing integrated device, which can realize one-side printing of this type of product. Since multiple materials are cut together when the automotive diodes are cut, the polarity of the product facing outward cannot be determined. Therefore, it is necessary to use a corresponding device to detect it. After turning it over, the printing device can be used to print on one side of the product, so as to improve work efficiency.

[0024] like Figure 1 As shown, the specific institutions of this application include: The frame 1 is an existing frame, and may also be formed by welding or fixing multiple parts by bolts to form a stable frame structure; A polarity detection unit 2 is installed on the frame 1, and is used to complete the polarity detection of the vehicle diode facing one side, so as to facilitate the subsequent material separation and processing; A material separation unit 3 is installed on the frame 1 and is located below the polarity detection unit 2. The material separation unit 3 can be used to separate products with different polarities of vehicle diodes, so as to facilitate subsequent printing, i.e., marking; The printing unit 4 is installed on the frame 1, and the printing unit 4 cooperates with the material dividing unit 3. After the material dividing is completed, the printing unit 4 cooperates with the printing unit 4 to realize single-sided printing; The present application designs the printing unit 4 to achieve accurate and stable single-sided printing while ensuring efficiency.

[0025] Specifically, if Figure 2 As shown, the printing unit 4 in the present application includes: A printing support 401 is installed on the side of the frame 1. The printing support 401 can be an existing support, and after being connected to the frame 1, a stable connection is formed; A printing base plate 402 is installed on the bottom side of the printing support 401. The printing base plate 402 serves as a supporting component for supporting other subsequent components. The printing power unit 403 is installed on the printing base plate 402. The printing power unit 403 is an existing power unit, that is, it includes components such as a motor to drive the subsequent driving wheel to rotate; The driving wheel 404 is installed at the output end of the printing power unit 403. The driving wheel 404 rotates under the drive of the printing power unit 403. Specifically, the driving wheel 404 cooperates with the ink tank to achieve contact and obtain ink, and then transfers the ink to the transmission wheel, so that the subsequent printing wheel receives and then prints; A plurality of transmission wheels 405 are installed on the printing support 401 at intervals, and the transmission wheels 405 cooperate with the driving wheel 404. The transmission wheels 405 are in contact with the driving wheel 404 to receive ink for subsequent printing; A plurality of printing wheels 406 are installed at intervals on the printing bracket 401, and the outer edges of the printing wheels 406 are in contact with the transmission wheel 405. The printing wheels 406 are used to complete the printing of the materials in the material distribution unit 3. The design of the plurality of printing wheels 406 can improve the printing efficiency.

[0026] With respect to the printing unit 4 in the present application, further explanation is given. The printing unit 4 in the present application has only one power source, namely the printing power unit, and the remaining transmission wheel 405 and printing wheel 406 are driven by the driving wheel 404, so as to facilitate the subsequent formation of different steering directions; and the transmission wheel 405 and printing wheel 406 in the present application are assembled in the form of a rotating shaft, and the assembly form is the existing method and will not be repeated.

[0027] Specifically, in order to improve the printing efficiency, the printing wheels 406 in the present application are two, arranged side by side and spaced apart. During operation, in order to improve the efficiency, the two printing wheels 406 rotate in opposite directions. Because the two printing wheels 406 are coaxial, the axis is arranged horizontally. At this time, the two printing wheels 406 print the outer side of a vehicle diode at the same time. When the rotation directions are different, the vehicle diode can be driven to rotate in a plane, thereby improving the printing efficiency. Because the printing unit 4 in the present application has only one power source, it is necessary to control the number of transmission wheels and the transmission method so as to achieve different rotation directions of the printing wheel 406, thereby improving the printing efficiency.

[0028] Specifically, if Figure 6 As shown, the transmission wheel 405 described in the present application is divided into two first transmission wheels 407 and two second transmission wheels 408; The first transmission wheel 407 is mounted on the printing support 401, and the outer edges of the two first transmission wheels 407 are in contact with each other, and the outer edge of the first transmission wheel 407 located on the outside is in contact with the driving wheel 404, that is, the driving wheel 404 contacts the ink from the ink cartridge, and then contacts the first transmission wheel 407 to complete the transfer, and at the same time, the two second transmission wheels 408 cooperate with each other to complete the transfer of ink; The second transmission wheel 408 is installed on the printing bracket 401, and the second transmission wheel is located above the first transmission wheel 407; the outer edges of the two second transmission wheels 408 are in contact with each other, and the outer edge of the second transmission wheel 408 located on the outside is in contact with the outer edge of the first transmission wheel 407 located on the outside.

[0029] At the same time, one of the printing wheels 406 contacts and cooperates with the outer edge of the second transmission wheel 408 located inside, and the remaining one of the printing wheels 406 contacts and cooperates with the outer edge of the first transmission wheel 407 located inside.

[0030] To further explain the transmission system of the present application, the ink is transferred from the first transmission wheel 407 to the second transmission wheel 408, and then to one of the printing wheels 406; another is that the ink is directly transferred from the first transmission wheel 407 to the remaining printing wheels 406.

[0031] Rotation direction: when the driving wheel 404 rotates forward, the first transmission wheel 407 on the outside in contact with it rotates reversely, and at the same time, the first transmission wheel 407 on the inside rotates forward, and the printing wheel in contact with the first transmission wheel rotates reversely; the second transmission wheel 408 on the outside in contact with the first transmission wheel 407 on the outside rotates forward, and the second transmission wheel 408 on the inside rotates reversely, then the printing wheel 406 in contact with the second transmission wheel rotates forward. In summary, the two printing wheels rotate in opposite directions, which can improve printing efficiency.

[0032] It should be noted that the first transmission wheel 407 located on the inner side is not in contact with the second transmission wheel 408 located on the inner side, so that the control of the rotation direction can be achieved.

[0033] In order to save materials, the present application provides a convex edge 409 at the outer end of the printing wheel 406, and the convex edges 409 of the two printing wheels 406 are opposite to each other, that is, the convex edges 409 are used for printing, thereby saving materials.

[0034] Specifically, the driving wheel 404 is a steel wheel, and the transmission wheel 405 and the printing wheel 406 are rubber wheels, which can ensure the printing effect.

[0035] The polarity detection unit 2 and the material separation unit 3 of the present application can be existing devices, and only the materials need to be separated so that the polarity of the outward side is the same, which facilitates the subsequent printing operation.

[0036] At the same time, if Figure 2 , 3 As shown, the polarity detection unit 2 of the present application may also have the following structure, including: A polarity detection baffle 201, wherein a first feed slot 202 is provided on the polarity detection baffle 201, and a first unloading slot 203 is provided at the bottom of the polarity detection baffle 201, wherein the first feed slot 202 is convenient for feeding, i.e., the automotive diodes enter from the first feed slot 202 above, and then are separated one by one through the subsequent polarity detection turntable 204; The polarity detection turntable 204 is movably mounted on the polarity detection baffle 201, and the outer edge of the polarity detection turntable 204 is provided with a plurality of first grooves 205 spaced apart along its circumferential direction. The outer edge of the polarity detection turntable 204 is respectively connected with the first feed trough 202 and the first discharge trough 203, that is, separation is performed through the polarity detection turntable 204, and then polarity detection is performed, and the structure is transmitted to the subsequent program. The detected automotive diode rotates with the polarity detection turntable 204, and then enters the next process from the first discharge trough 203; the polarity detection turntable 204 is also connected to the motor and other components, which is an existing mechanism and will not be repeated here; The polarity outer baffle 206 is installed on the outer side of the polarity detection baffle 201. The polarity outer baffle 206 is made of transparent material. After installation, it ensures that the vehicle diode can be stably in the first groove 205. At the same time, the polarity outer baffle 206 in the present application is also provided with a through hole corresponding to the first groove, so that the subsequent detection device 207 can be inserted for detection; The detection device 207 is installed on the frame 1, and the detection head of the detection device 207 cooperates with the polarity detection turntable 204 to complete the polarity detection of the vehicle diode. The detection device 207 is an existing device, which is mainly used to complete the outward polarity detection of the vehicle diode. The specific structure will not be repeated here.

[0037] After the test is completed, the different polarities need to be turned over. Specifically, Figure 4 , 5 As shown, the material distribution unit 3 includes: An adjustment unit 301 is installed at the bottom of the polarity detection baffle 201, and the adjustment unit 301 is used to adjust the polarity of the outward side of the vehicle diode to the same polarity; A printing auxiliary board 302, wherein a second material feeding slot 303 is provided on the printing auxiliary board 302, and a second material discharge slot 304 is provided at the bottom of the printing auxiliary board 302; A printing turntable 305 is movably mounted on the printing auxiliary plate 302, and a plurality of second grooves 306 are spaced apart along the circumferential direction of the outer edge of the printing turntable 305, and the outer edge of the printing turntable 305 is respectively connected with the second feeding trough 303 and the second unloading trough 304; The printing outer baffle 307 is installed on the outer side of the printing auxiliary plate 302 . The printing outer baffle 307 is provided with a printing opening 308 . The printing opening 308 corresponds to the outer edges of the printing wheel 406 and the printing turntable 305 .

[0038] After the automotive diode is detected by the polarity detection unit 2, it will enter the adjustment unit for adjustment, and finally the polarity facing outward is consistent. Then it enters from the second feed slot 303 and falls into the second groove 306. When it rotates to the printing port 308, the printing wheel will cooperate with the printing port 308 to complete the printing.

[0039] The printed outer baffle 307 in the present application is further described. A groove is provided in the area of ​​the printed outer baffle 307 corresponding to the printing turntable, so that the printing wheel 406 can be closer to the printing turntable 305, that is, closer to the automotive diode, so that printing can be completed.

[0040] Specifically, the adjustment unit 301 includes: An adjustment baffle 309, on which a third material discharge chute 310 is provided, and the third material discharge chute 310 is communicated with the first material discharge chute 203; A partition bar 311 is vertically installed in the third material discharge chute 310, and the partition bar 311 divides the third material discharge chute 310 into left and right vertical channels arranged side by side; A separation pointer 312 is movably installed inside the third feeding trough 310, and the separation pointer 312 is located above the partition bar 311, and the separation pointer 312 sends the vehicle diodes with different polarities facing outwards into different vertical channels; The reversing mechanism 314 is connected and arranged below any one of the vertical channels 313 , and the reversing mechanism 314 is used to complete the polarity adjustment of the vehicle diode.

[0041] Wherein, the reversing mechanism 314 includes: A commutation column 315, wherein an arc-shaped channel 316 is disposed on the outer side of the commutation column 315, wherein the arc-shaped channel 316 enables the product to be turned over. The arc-shaped channel enables the automotive diode to rotate 180 degrees around the commutation column 315, thereby completing the face-changing; The commutation sleeve 317 is mounted on the commutation column 315 , so as to ensure that the vehicle diode can be stably placed in the arc channel 316 for commutation.

[0042] In the present application, the outer edge of the wheel refers to the outer wall of the wheel. The present application also includes a control unit (an existing conventional control unit) for receiving the detection signal of the polarity detection unit 2, and in response to the detection signal, the separation pointer 312 in the adjustment unit 301 is moved so that the vehicle diodes with different polarities facing outward fall into different vertical channels, and the vehicle diodes in one of the vertical channels are reversed after passing through the arc channel 316, and then printed, and finally enter the collection trough from the second feeding trough to complete the collection.

[0043] Working process of this application: The automotive diode enters from the first feeding trough and then falls onto the first groove. The polarity detection turntable rotates. After reaching the detection position, the detection device performs detection and then transmits the detection result. At this time, the automotive diode rotates to the first feeding trough with the polarity detection turntable and then falls into the third feeding trough. The separation pointer swings according to the detection result, and the automotive diodes with different polarities facing the outside enter different vertical channels respectively, and then the automotive diodes are turned over through the arc channel, and finally enter the second feeding trough together, and then enter the second groove. As the printing turntable rotates, they arrive at the printing port and complete printing.

[0044] In the description of the present invention, a large number of specific details are described. However, it is understood that embodiments of the present invention can be practiced without these specific details. In some instances, well-known methods, structures and techniques are not shown in detail so as not to obscure the understanding of this description. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0045] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein by equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention, and they should all be included in the scope of the claims and specification of the present invention.

Claims

1. A printing and measuring integrated device, characterized in that: include: Rack(1); A polarity detection unit (2) is mounted on the frame (1); A material distribution unit (3) is installed on the frame (1), and the material distribution unit (3) is located below the polarity detection unit (2); A printing unit (4) is mounted on the frame (1), and the printing unit (4) cooperates with the material dispensing unit (3); The printing unit (4) comprises: A printing support (401) is installed on a side of the frame (1); A printing base plate (402) mounted on the bottom side of the printing support (401); A printing power unit (403), mounted on the printing base plate (402); A driving wheel (404) is installed at the output end of the printing power unit (403); A plurality of transmission wheels (405) are installed on the printing support (401) at intervals, and the transmission wheels (405) cooperate with the driving wheel (404); A plurality of printing wheels (406) are installed at intervals on the printing support (401), and the outer edges of the printing wheels (406) are in contact with the transmission wheel (405). The printing wheels (406) are used to complete the printing of the material in the material distribution unit (3).

2. The printing and measuring integrated device according to claim 1, characterized in that: There are two printing wheels (406), and the two printing wheels (406) rotate in opposite directions.

3. The printing and measuring integrated device according to claim 2, characterized in that: The transmission wheel (405) is divided into two first transmission wheels (407) and two second transmission wheels (408); The first transmission wheel (407) is mounted on the printing support (401), and the outer edges of the two first transmission wheels (407) are in contact with each other, and the outer edge of the first transmission wheel (407) located on the outside is in contact with the driving wheel (404); The second transmission wheel (408) is mounted on the printing support (401), and the second transmission wheel (408) is located above the first transmission wheel (407); the outer edges of the two second transmission wheels (408) are in contact with each other, and the outer edge of the second transmission wheel (408) located on the outside is in contact with the outer edge of the first transmission wheel (407) located on the outside.

4. The printing and measuring integrated device according to claim 3, characterized in that: One of the printing wheels (406) is in contact with the outer edge of the second transmission wheel (408) located on the inner side, and the remaining printing wheel (406) is in contact with the outer edge of the first transmission wheel (407) located on the inner side.

5. The printing and measuring integrated device according to claim 2, characterized in that: The outer end of the printing wheel (406) is provided with a convex edge (409), and the convex edges (409) of the two printing wheels (406) are opposite to each other.

6. The printing and measuring integrated device according to claim 1, characterized in that: The driving wheel (404) is a steel wheel, and the transmission wheel (405) and the printing wheel (406) are both rubber wheels.

7. The printing and measuring integrated device according to claim 1, characterized in that: The polarity detection unit (2) comprises: A polarity detection baffle (201), wherein a first material feed trough (202) is provided on the polarity detection baffle (201), and a first material discharge trough (203) is provided at the bottom of the polarity detection baffle (201); a polarity detection rotating disk (204) movably mounted on the polarity detection baffle (201), and the outer edge of the polarity detection rotating disk (204) is provided with a plurality of first grooves (205) spaced apart along its circumferential direction, and the outer edge of the polarity detection rotating disk (204) is respectively connected to the first feeding trough (202) and the first discharging trough (203); A polarity outer baffle (206) installed on the outer side of the polarity detection baffle (201); The detection device (207) is mounted on the frame (1), and the detection head of the detection device (207) cooperates with the polarity detection turntable (204) to complete polarity detection of the vehicle diode.

8. The printing and measuring integrated device according to claim 7, characterized in that: The material distribution unit (3) comprises: An adjustment unit (301) is installed at the bottom of the polarity detection baffle (201), and the adjustment unit (301) is used to adjust the polarity of the outward side of the vehicle diode to the same polarity; A printing auxiliary plate (302), wherein a second material feeding slot (303) is provided on the printing auxiliary plate (302), and a second material discharge slot (304) is provided at the bottom of the printing auxiliary plate (302); A printing turntable (305) is movably mounted on the printing auxiliary plate (302), and a plurality of second grooves (306) are provided at intervals along the circumferential direction of the outer edge of the printing turntable (305), and the outer edge of the printing turntable (305) is respectively connected to the second material feeding trough (303) and the second material discharge trough (304); The printing outer baffle (307) is installed on the outside of the printing auxiliary plate (302), and a printing opening (308) is opened on the printing outer baffle (307). The printing opening (308) corresponds to the outer edges of the printing wheel (406) and the printing turntable (305), respectively.

9. The printing and measuring integrated device according to claim 8, characterized in that: The adjustment unit (301) comprises: An adjusting baffle (309), wherein a third material discharge chute (310) is provided on the adjusting baffle (309), and the third material discharge chute (310) is connected to the first material discharge chute (203); A partition bar (311) is vertically installed in the third material discharge chute (310), and the partition bar (311) divides the third material discharge chute (310) into left and right vertical channels (313) arranged side by side; A separation pointer (312) is movably installed inside the third material discharge chute (310), and the separation pointer (312) is located above the partition bar (311), and the separation pointer (312) sends vehicle diodes with different outward polarities into different vertical channels (313); A reversing mechanism (314) is arranged in communication below any one of the vertical channels (313), and the reversing mechanism (314) is used to complete polarity adjustment of the vehicle diode.

10. The printing and measuring integrated device according to claim 9, characterized in that: The reversing mechanism (314) comprises: A commutation column (315), wherein an arc-shaped channel (316) is arranged on the outer side of the commutation column (315), and the arc-shaped channel (316) enables the vehicle diode to be turned over; The reversing sleeve (317) is sleeved on the reversing column (315).

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