Toothbrush automatic assembly system and toothbrush automatic assembly method

Abstract

This invention discloses an automated toothbrush assembly system, comprising: a motor shaft production line, a tail cap production line, a toothbrush head production line, and a toothbrush assembly line. The motor shaft production line includes a first glue-filling module, a weighing module, a first drying module, and a first palletizing module arranged sequentially. The tail cap production line includes a second glue-filling module, a second drying module, and a second palletizing module arranged sequentially. The toothbrush head production line includes a first laser engraving module, a packaging module, and a labeling module. The toothbrush assembly line includes a testing module, an assembly module, a second laser engraving module, and a labeling and weighing module arranged sequentially. The toothbrush assembly line is used to perform performance tests on the motor shafts produced by the motor shaft production line and the tail caps produced by the tail cap production line, and to assemble the qualified motor shafts and tail caps with toothbrush heads, perform a second laser engraving process, and apply labels and weigh them. This improves the automation level and work efficiency of toothbrush production. Simultaneously, this invention also provides an automated toothbrush assembly method.

Description

Technical Field

[0001] The invention relates to the technical field of automatic production of toothbrushes, and in particular to an automatic toothbrush assembly system and an automatic toothbrush assembly method. Background Art

[0002] Electric toothbrushes are new products that have appeared in recent years. The toothbrush head is equipped with toothbrush bristles and a motor is provided in the brush handle. The toothbrush head is driven by the motor to rotate or swing to enhance the function of the toothbrush to clean teeth. It has been widely used.

[0003] However, existing electric toothbrushes are semi-automatically assembled, that is, only individual process steps are automated. The toothbrush shell is assembled manually, which requires different steps such as gluing the toothbrush shell (i.e., the toothbrush handle), installing buttons, installing stainless steel rings on the ends, and heat welding. Not only is the degree of automation low and the efficiency low, but the manual movements are also inconsistent and prone to errors, resulting in the quality of the electric toothbrush not being guaranteed. Summary of the invention

[0004] In order to overcome the technical problems that the existing toothbrush production line requires a large amount of manual operation and intervention, has a low degree of automation and low production efficiency, the present invention provides a toothbrush automatic assembly system and a toothbrush automatic assembly method.

[0005] The toothbrush automatic assembly system of the present invention comprises: a motor shaft production line, a tail cover production line, a toothbrush head production line and a toothbrush assembly line;

[0006] The motor shaft production line includes a first glue filling module, a weighing module, a first drying module and a first palletizing module which are arranged in sequence, and the motor shaft production line is used to sequentially perform a first glue filling process, a first drying process and a weighing detection process on the motor shaft;

[0007] The tail cap production line includes a second glue filling module, a second drying module and a second palletizing module which are arranged in sequence, and the tail cap production line is used to perform a second glue filling process and a second drying process on the tail caps in sequence;

[0008] The toothbrush head production line includes a first laser engraving module, a packaging module and a labeling module which are arranged in sequence. The toothbrush head production line is used to perform a first laser engraving process, a welding packaging process and a labeling process on the toothbrush head;

[0009] The toothbrush assembly line includes a test module, an assembly module, a second laser engraving module and a labeling and weighing module which are arranged in sequence; the toothbrush assembly line is used to perform performance tests on the motor shafts produced by the motor shaft production line and the tail caps produced by the tail cap production line, and to assemble the motor shafts and tail caps that pass the tests with the toothbrush heads, perform the second laser engraving process, and perform labeling and weighing processes.

[0010] Preferably, the first glue pouring module comprises a first feeding unit, a pressing unit, a first glue pouring unit and a vacuum unit which are arranged in sequence; and is used to press the motor in the motor shaft before the first glue pouring process, and to perform a vacuum process after the first glue pouring process;

[0011] The second glue pouring module comprises a second feeding unit, a detection unit and a second glue pouring unit which are arranged in sequence; it is used to detect whether the circuit board in the tail cover is qualified, and perform a second glue pouring process on the tail cover that has passed the detection.

[0012] Preferably, the test module includes a battery test unit, a circuit board test unit, an automatic welding unit, a circuit test unit, a leakage test unit and a noise test unit which are arranged in sequence;

[0013] The battery test unit and the circuit board test unit are used to perform battery performance test or circuit board performance test on the rechargeable battery and the circuit board respectively;

[0014] The automatic welding unit and the circuit testing unit are used to weld the qualified rechargeable batteries and circuit boards respectively, and to perform circuit testing on the welded circuit boards;

[0015] The leakage test unit and the noise test are used to perform leakage test or noise test on the assembled toothbrush respectively.

[0016] Preferably, the first loading unit comprises a first box body, a first loading turntable arranged on a working surface of the first box body, and a plurality of first clamps evenly distributed on the working surface of the first loading turntable, wherein the plurality of first clamps are used to support and clamp the motor shaft;

[0017] The clamping unit is arranged on one side of the first clamp, including a bracket, a clamping cylinder arranged on the bracket, and a pressure head connected to the end of the clamping cylinder piston rod. The pressure head can move in a direction close to or away from the motor shaft, and a plurality of rubber blocks are arranged on the side of the pressure head away from the piston rod.

[0018] Preferably, the first glue filling unit is arranged on one side of the first clamp, and comprises: a glue filling machine, in which glue is stored;

[0019] A glue pouring bracket, on which a guide rail and a glue dispensing valve seat are arranged; the extension direction of the guide rail is the same as the extension direction of the glue pouring bracket, and the glue dispensing valve seat is slidably supported on the guide rail;

[0020] The dispensing valve is carried on a dispensing valve seat, and the inlet of the dispensing valve is connected to the outlet of the glue filling machine;

[0021] The glue filling cylinder is arranged on the glue filling bracket and is located on a side of the guide rail away from the motor shaft; the piston rod of the glue filling cylinder is connected to the glue dispensing valve seat so that the outlet of the glue dispensing valve is aligned with the motor shaft when performing the first glue filling process.

[0022] Preferably, the first stacking module includes a first stacking unit and a second stacking unit, the first stacking unit is arranged between the first glue filling module and the first drying module, and is used to stack the motor shafts that have passed the weighing; the second stacking unit is arranged at the exit of the first drying module, and is used to stack the motor shafts that have been dried;

[0023] The second palletizing unit comprises a second box body, and a first through hole is formed on a working surface of the second box body;

[0024] A transmission component, which is arranged on the working surface of the second box body and is used to transmit the motor shaft tray;

[0025] The stacking disc assembly is arranged above the transmission assembly and opposite to the first through hole; the stacking disc assembly is provided with a plurality of tray positions spaced apart along the plumb direction for carrying the motor shaft tray;

[0026] A lifting cylinder is arranged in the second box body, and a piston rod of the lifting cylinder passes through the first through hole and is connected to the bottom of the stacking plate assembly to realize the stacking of a plurality of motor shaft trays.

[0027] Preferably, the second laser engraving module comprises a third loading unit and a laser engraving unit which are arranged in sequence;

[0028] The third loading unit includes a loading conveyor belt, a second loading turntable arranged at the end of the loading conveyor belt, and a plurality of second clamps evenly distributed on the working surface of the second loading turntable, wherein the plurality of second clamps are used to support the tail cover;

[0029] The laser engraving unit includes a first laser engraving component and a second laser engraving component. The first laser engraving component and the second laser engraving component are respectively arranged on one side of the corresponding second fixture. The first laser engraving component is used to engrave the logo on the toothbrush rod, and the second laser engraving component is used to engrave the logo on the bottom of the tail cover.

[0030] Preferably, the labeling weighing module comprises a weighing unit and a labeling unit which are arranged in sequence;

[0031] Among them, the weighing unit includes a third box body, a weighing component arranged on the working surface of the third box body, and a weighing transmission component arranged above the weighing component. A weighing base plate is arranged on the weighing base plate, and a plurality of support plates are vertically arranged on one surface of the weighing base plate close to the weighing transmission component; a plurality of second through holes are arranged at intervals on the transport surface of the weighing transmission component. When weighing, a plurality of support plates can pass through the second through holes to realize weighing of the toothbrush.

[0032] At the same time, the present invention also provides a toothbrush automatic assembly method, comprising the following steps:

[0033] The motor is mounted in the motor shaft; and the motor shaft with the motor mounted thereon is pressed, first glued, vacuumed, weighed and tested, first dried and stacked in sequence;

[0034] A plurality of circuit boards are placed in the tail cover; the circuit boards in the tail cover are tested to see if they are qualified, and the qualified tail covers are sequentially subjected to a second glue filling process, a second drying process and palletizing;

[0035] Perform the first laser engraving process on the toothbrush head;

[0036] Obtaining welding parameters, and welding and packaging the packaging box and the toothbrush head according to the welding parameters; and labeling the packaging box;

[0037] Acquire a first detection parameter, perform a battery performance test on the rechargeable battery according to the first detection parameter, and install the rechargeable battery that passes the test on the bracket;

[0038] Acquire a second detection parameter, and perform a circuit board performance test on the circuit board according to the second detection parameter;

[0039] Obtain welding parameters, and weld the qualified circuit board to the bracket with the rechargeable battery installed according to the welding parameters;

[0040] Conduct circuit testing on the soldered circuit board; assemble the motor shaft, tail cover, toothbrush head, rechargeable battery and circuit board, and conduct leakage test, noise test, second laser engraving process and labeling and weighing process on the assembled toothbrush.

[0041] Preferably, the battery performance test includes a rechargeable battery voltage value test and a rechargeable battery internal resistance test;

[0042] Circuit board performance testing includes circuit board static current testing, circuit board operating current testing, circuit board power testing and circuit board protection function testing;

[0043] Welding parameters include preheating time, soldering time and soldering amount;

[0044] The welding parameters include the welding frequency.

[0045] In summary, the toothbrush automatic assembly system provided by the present invention includes a motor shaft production line, a tail cover production line, a toothbrush head production line and a toothbrush assembly line; wherein, the motor shaft production line can sequentially perform a first glue filling process, a first drying process and a weighing detection process on the motor shaft, so as to realize automatic production of the motor shaft; the tail cover production line can sequentially perform a second glue filling process and a second drying process on the tail cover, so as to realize automatic production of the tail cover; the toothbrush head production line can sequentially perform a first laser engraving process, a packaging process and a labeling process on the toothbrush head, so as to realize automatic production of the toothbrush head; the toothbrush assembly line can perform performance tests on the motor shafts produced by the motor shaft production line and the tail covers produced by the tail cover production line, and assemble the motor shafts and tail covers that pass the test with the toothbrush heads, and sequentially perform a second laser engraving process and labeling and weighing processes on the assembled toothbrushes; the toothbrush automatic assembly system can realize automation from the initial production of motor shafts, tail covers and toothbrush heads, to performance detection, assembly, laser engraving and labeling and weighing, thereby improving the work efficiency and quality of toothbrush production.

[0046] The toothbrush automatic assembly method provided by the present invention also has the advantages of realizing the automation of toothbrush and toothbrush head production and improving the work efficiency and quality of toothbrush production. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 It is a schematic diagram of the overall structure of the toothbrush automatic assembly system involved in the present invention;

[0048] Figure 2 It is a schematic diagram of the structure of a toothbrush assembly line involved in the present invention;

[0049] Figure 3 It is a schematic diagram of the structure of a test module involved in the present invention;

[0050] Figure 4 It is a structural schematic diagram of a motor shaft production line involved in the present invention;

[0051] Figure 5 It is a structural schematic diagram of a tail cap production line involved in the present invention;

[0052] Figure 6 It is a structural schematic diagram of a first glue filling module and a first palletizing unit according to the present invention;

[0053] Figure 7 is a schematic structural diagram of a second palletizing unit according to the present invention;

[0054] Figure 8 It is a structural schematic diagram of a second glue pouring module according to the present invention;

[0055] Fig. 9 It is a structural schematic diagram of a second laser engraving module according to the present invention;

[0056] Fig.10 is a schematic top view of the second laser engraving module structure according to the present invention;

[0057] Fig.11 It is a structural schematic diagram of a labeling weighing module involved in the present invention;

[0058] Fig.12 It is a structural schematic diagram of a weighing unit involved in the present invention;

[0059] Fig.13 It is a schematic diagram of the structure of a leakage test unit involved in the present invention;

[0060] Fig.14 It is a schematic diagram of the structure of a first laser engraving module according to the present invention;

[0061] Fig.15 It is a schematic diagram of the packaging module structure involved in the present invention;

[0062] Fig.16 It is a structural schematic diagram of a labeling module involved in the present invention;

[0063] Fig.17 This is a schematic diagram of the structure of a USB small board assembly module involved in the present invention;

[0064] Fig.18 The invention discloses a flow chart of an automatic toothbrush assembly method.

[0065] Among them, 1 is a motor shaft production line, 10 is a first glue pouring module, 100 is a first feeding unit, 1000 is a first box, 1001 is a first feeding turntable, 1002 is a first clamp, 101 is a pressing unit, 102 is a first glue pouring unit, 103 is a vacuum unit, 11 is a weighing module, 12 is a first drying module, 13 is a first palletizing module, 130 is a first palletizing unit, 131 is a second palletizing unit, 2 is a tail cap production line, 20 is a second glue pouring module, 200 is a second feeding unit, 201 is a detection unit, 202 is a second glue pouring unit, 21 is a second palletizing unit, The second drying module, 22 is the second palletizing module, 3 is the toothbrush head production line, 30 is the first laser engraving module, 31 is the packaging module, 32 is the labeling module, 4 is the toothbrush assembly line, 40 is the testing module, 400 is the battery testing unit, 401 is the circuit board testing unit, 402 is the automatic welding unit, 403 is the line testing unit, 404 is the leakage testing unit, 405 is the noise testing unit, 41 is the assembly module, 42 is the second laser engraving module, 420 is the third feeding unit, 421 is the laser engraving unit, 43 is the labeling weighing module, 430 is the weighing unit, and 431 is the labeling unit. DETAILED DESCRIPTION

[0066] The specific implementation methods according to the present invention are described below with reference to the accompanying drawings.

[0067] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0068] In order to overcome the technical problems that the existing toothbrush production line requires a large amount of manual operation and intervention, has a low degree of automation and low production efficiency, the present invention provides a toothbrush automatic assembly system and a toothbrush automatic assembly method.

[0069] The toothbrush automatic assembly system of the present invention is as follows: Figures 1 to 5 As shown, it includes: a motor shaft production line 1, a tail cover production line 2, a toothbrush head production line 3 and a toothbrush assembly line 4;

[0070] The motor shaft production line 1 comprises a first glue filling module 10, a weighing module 11, a first drying module 12 and a first palletizing module 13 which are arranged in sequence. The motor shaft production line 1 is used to sequentially perform a first glue filling process, a first drying process and a weighing detection process on the motor shaft;

[0071] The tail cap production line 2 comprises a second glue pouring module 20, a second drying module 21 and a second palletizing module 22 which are arranged in sequence, and the tail cap production line 2 is used to perform a second glue pouring process and a second drying process on the tail caps in sequence;

[0072] The toothbrush head production line 3 includes a first laser engraving module 30, a packaging module 31 and a labeling module 32 which are arranged in sequence. The toothbrush head production line 3 is used to perform a first laser engraving process, a welding packaging process and a labeling process on the toothbrush heads;

[0073] The toothbrush assembly line 4 includes a test module 40, an assembly module 41, a second laser engraving module 42 and a labeling and weighing module 43 which are arranged in sequence; the toothbrush assembly line 4 is used to perform performance tests on the motor shaft produced by the motor shaft production line 1 and the tail caps produced by the tail cap production line 2, and to assemble the motor shafts and tail caps that pass the tests with the toothbrush heads, perform second laser engraving processing and labeling and weighing processing.

[0074] By adopting the above technical solution, the motor shaft production line 1, the tail cover production line 2 and the toothbrush head production line 3 can respectively perform corresponding processing on the motor shaft, the tail cover or the toothbrush head, so as to realize the automatic production of the motor shaft, the tail cover or the toothbrush head; the toothbrush assembly line 4 can perform corresponding performance tests on the produced motor shaft or tail cover; and assemble the motor shaft and tail cover that pass the test with the toothbrush head, and perform the second laser engraving and labeling and weighing on the assembled toothbrush, so as to realize the automation of toothbrush production and improve the work efficiency and quality of toothbrush production; at the same time, if Figures 14 to 16As shown, the toothbrush production line 3 can perform laser engraving, packaging and labeling on the toothbrush heads sold separately, thereby realizing the automated production of toothbrush heads.

[0075] On the basis of the above embodiments, further, Figure 6 As shown, the first glue pouring module 10 includes a first loading unit 100, a pressing unit 101, a first glue pouring unit 102 and a vacuum unit 103 which are arranged in sequence; and is used to press the motor in the motor shaft before the first glue pouring process, and to perform a vacuum process after the first glue pouring process.

[0076] In the present embodiment, the vacuum unit 103 is used to perform a vacuum treatment on the motor shaft after the first glue pouring treatment. Specifically, the vacuum unit 103 includes a vacuum bracket, a vacuum cylinder arranged on the vacuum bracket, and a vacuum pressure block connected to the piston rod of the vacuum cylinder. The vacuum pressure block is a hollow cylindrical structure with an open end. After the motor shaft undergoes the first glue pouring treatment, the piston rod of the vacuum cylinder drives the vacuum pressure block to descend, seals the motor shaft in the vacuum pressure block, and performs a vacuum treatment to eliminate bubbles generated during the first glue pouring treatment to prevent water from entering the toothbrush during use, thereby affecting the performance of the toothbrush.

[0077] On the basis of the above embodiments, further, Figure 8 As shown, the second glue pouring module 20 includes a second loading unit 200, a detection unit 201 and a second glue pouring unit 202 which are arranged in sequence; it is used to detect whether the circuit board in the tail cover is qualified, and perform a second glue pouring process on the tail cover that has passed the detection.

[0078] On the basis of the above embodiments, further, Figure 3 and Fig.13 As shown, the test module 40 includes a battery test unit 400, a circuit board test unit 401, an automatic welding unit 402, a line test unit 403, a leakage test unit 404 and a noise test unit 405 which are arranged in sequence; wherein the battery test unit 400 and the circuit board test unit 401 are used to perform battery performance test or circuit board performance test on the rechargeable battery and the circuit board respectively;

[0079] The automatic welding unit 402 and the circuit testing unit 403 are used to weld the rechargeable battery and the circuit board that have passed the test, and to perform circuit testing on the welded circuit board;

[0080] The leakage test unit 404 and the noise test are used to perform leakage test or noise test on the assembled toothbrush respectively.

[0081] In this embodiment, the battery testing unit 400 , the circuit board testing unit 401 , the automatic welding unit 402 , the circuit testing unit 403 , the leakage testing unit 404 and the noise testing unit 405 are any existing equipment that meets corresponding working requirements.

[0082] On the basis of the above embodiments, further, Figure 6 As shown, the first loading unit 100 includes a first box body 1000, a first loading turntable 1001 arranged on the working surface of the first box body 1000, and a plurality of first clamps 1002 evenly distributed on the working surface of the first loading turntable 1001, and the plurality of first clamps 1002 are used to support and clamp the motor shaft.

[0083] By adopting the above technical scheme, a plurality of first clamps 1002 are evenly distributed radially on the working surface of the first loading turntable 1001, and each first clamp 1002 is used to support the motor shaft. When the first loading turntable 1001 rotates in a certain direction, the motor shaft supported on the first clamp 1002 can be placed in sequence on the corresponding stations of the clamping unit 101, the first glue pouring unit 102 and the vacuum unit 103 to carry out the corresponding processes without manual transfer, thereby improving the transfer automation and production efficiency.

[0084] On the basis of the above embodiments, further, Figure 6 As shown, the pressing unit 101 is arranged on one side of the first clamp 1002, including a bracket, a pressing cylinder arranged on the bracket, and a pressing head connected to the end of the pressing cylinder piston rod. The pressing head can move in a direction close to or away from the motor shaft, and a plurality of rubber blocks are arranged on the side of the pressing head away from the piston rod.

[0085] By adopting the above technical solution, under the action of the clamping cylinder, the pressing head can move in the direction close to or away from the motor shaft, compressing the motor inside the motor shaft so that the motor is located at the corresponding position inside the motor shaft, and a number of rubber blocks are arranged on the contact surface between the pressing head and the motor. The rubber blocks have a certain elasticity, so that when the pressing head is pressed down, the rubber blocks directly contact the motor, thereby avoiding rigid contact between the pressing head and the motor, which may cause damage to the motor.

[0086] On the basis of the above embodiments, further, Figure 6 As shown, the first glue filling unit 102 is arranged on one side of the first fixture 1002, and includes: a glue filling machine, in which glue is stored;

[0087] A glue pouring bracket, on which a guide rail and a glue dispensing valve seat are arranged; the extension direction of the guide rail is the same as the extension direction of the glue pouring bracket, and the glue dispensing valve seat can be slidably carried on the guide rail;

[0088] The dispensing valve is carried on a dispensing valve seat, and the inlet of the dispensing valve is connected to the outlet of the glue filling machine;

[0089] The glue filling cylinder is arranged on the glue filling bracket and is located on a side of the guide rail away from the motor shaft; the piston rod of the glue filling cylinder is connected to the glue dispensing valve seat so that the outlet of the glue dispensing valve is aligned with the motor shaft when performing the first glue filling process.

[0090] On the basis of the above embodiments, further, Figure 6 and Figure 7 As shown, the first stacking module 13 includes a first stacking unit 130 and a second stacking unit 131. The first stacking unit 130 is arranged between the first glue filling module 10 and the first drying module 12, and is used to stack the motor shafts that have passed the weighing; the second stacking unit 131 is arranged at the exit of the first drying module 12, and is used to stack the motor shafts after drying;

[0091] The second palletizing unit 131 includes a second box body, and a first through hole is formed on the working surface of the second box body;

[0092] A transmission component, which is arranged on the working surface of the second box body and is used to transmit the motor shaft tray;

[0093] The stacking disc assembly is arranged above the transmission assembly and opposite to the first through hole; the stacking disc assembly is provided with a plurality of tray positions spaced apart along the plumb direction for carrying the motor shaft tray;

[0094] A lifting cylinder is arranged in the second box body, and a piston rod of the lifting cylinder passes through the first through hole and is connected to the bottom of the stacking plate assembly to realize the stacking of a plurality of motor shaft trays.

[0095] In this embodiment, a robot is arranged on the working surface of the first box body 1000 to place the motor shaft after vacuum treatment on the weighing station of the weighing module 11 for weighing, and place the motor shaft that fails the weighing on the corresponding NG (unqualified) workbench; place the qualified motor shaft on the first stacking unit 130, and the first stacking unit 130 stacks the motor shaft.

[0096] In this embodiment, the first palletizing unit 130 includes a full pallet conveyor belt and a tray feeding assembly arranged between the weighing module 11 and the full pallet conveyor belt, the tray feeding assembly includes a lifting drive component, a pallet component driven by the lifting drive component, and a pallet bracket arranged on both sides of the pallet component; along the vertical direction, a number of empty motor shaft pallets are stacked in sequence on the pallet component, and after the robot fills a motor shaft pallet, the motor shaft pallet is transported to the first drying module 12 for drying by the full pallet conveyor belt, and under the action of the lifting drive component, the pallet component drives the pallet to move upward to replenish the empty motor shaft pallet; during the movement, the pallet brackets on both sides of the pallet component play a shielding role to prevent the pallet on the pallet component from shifting.

[0097] On the basis of the above embodiments, further, Figure 6 As shown, a plurality of photoelectric switches are arranged on both sides of the weighing station of the weighing module 11 for detecting whether there is a motor shaft in the weighing module 11 .

[0098] On the basis of the above embodiments, further, Fig. 9 and Fig.10 As shown, the second laser engraving module 42 includes a third loading unit 420 and a laser engraving unit 421 which are arranged in sequence;

[0099] The third loading unit 420 includes a loading conveyor belt, a second loading turntable arranged at the end of the loading conveyor belt, and a plurality of second clamps evenly distributed on the working surface of the second loading turntable, wherein the plurality of second clamps are used to support the tail cover;

[0100] The laser engraving unit 421 includes a first laser engraving component and a second laser engraving component, which are respectively arranged on one side of the corresponding second fixture. The first laser engraving component is used to engrave the logo on the toothbrush rod, and the second laser engraving component is used to engrave the logo on the bottom of the tail cover.

[0101] In this embodiment, two manipulators are provided on one side of the second loading turntable, which are used to place the unengraved toothbrush from the loading conveyor belt on the second clamp of the second loading turntable, or to place the toothbrush with engraved marks on the conveyor belt behind the second loading turntable for subsequent work; the first laser engraving component and the second laser engraving component can be any laser engraving machine that meets the working requirements, and are not specifically limited here.

[0102] On the basis of the above embodiments, further, Fig.11 As shown, the labeling weighing module 43 includes a weighing unit 430 and a labeling unit 431 which are arranged in sequence;

[0103] Among them, the weighing unit 430 includes a third box body, a weighing component arranged on the working surface of the third box body, and a weighing transmission component arranged above the weighing component. A weighing base plate is arranged on the weighing component, and a plurality of support plates are vertically arranged on one surface of the weighing base plate close to the weighing transmission component; a plurality of second through holes are arranged at intervals on the transport surface of the weighing transmission component, and when weighing, a plurality of support plates can pass through the second through holes to achieve weighing.

[0104] In this embodiment, Fig.12 As shown, the weighing and conveying assembly includes a conveying bearing platform, and a plurality of conveying rollers rotatably supported on the conveying bearing platform; specifically, a bearing groove is provided on the conveying bearing platform, and a plurality of mounting holes are relatively provided on the bearing walls on both sides of the bearing groove perpendicular to the transmission direction, and the plurality of conveying rollers are clamped on the conveying bearing platform through the mounting holes, and a conveyor belt for driving the conveying rollers to rotate is provided on one side of the bearing groove to realize the transmission of the toothbrush; at the same time, there is a certain gap between adjacent conveying rollers, that is, a second through hole, and the support sheet can pass through the second through hole to carry the toothbrush on the transport surface to complete the weighing of the toothbrush.

[0105] On the basis of the above embodiments, further, Fig.14 As shown, the first laser engraving module 30 includes a fourth box body, a third loading turntable arranged on the working surface of the fourth box body, and a third laser engraving component arranged on one side of the third loading turntable; wherein, a plurality of third clamps are evenly distributed on the third loading turntable, and the third clamps are used to support and clamp the toothbrush head.

[0106] On the basis of the above embodiments, further, Fig.15 As shown, the packaging module 31 includes a fifth box body, a fourth loading turntable arranged on the working surface of the fifth box body, and a high-frequency component arranged on one side of the fourth loading turntable; wherein, a plurality of fourth clamps are evenly distributed on the fourth loading turntable, and the fourth clamps are used to support and fix the toothbrush heads and packaging boxes; the high-frequency component performs welding and packaging processing on the toothbrush heads and packaging boxes on the fourth clamps according to welding parameters.

[0107] On the basis of the above embodiments, further, Fig.17 As shown, the toothbrush automatic assembly system also includes a USB small board assembly module, which is used to solder the USB interface to the circuit board; specifically, the USB small board assembly module includes a sixth box body, a fifth turntable arranged on the working surface of the sixth box body, and a loading assembly and a welding assembly arranged in the circumference of the fifth turntable; wherein, a plurality of fifth clamps are evenly distributed on the fifth loading turntable, and the fifth clamps are used to support and fix the USB interface and the circuit board to prevent the solder from being welded outside the welding area when the welding assembly is welding and assembling the two.

[0108] At the same time, the present invention also provides a toothbrush automatic assembly method, such as Fig.18As shown, the following steps are included:

[0109] S1. Install the motor in the motor shaft; and sequentially perform pressing, first glue filling, vacuuming, weighing and testing, first drying and palletizing on the motor shaft with the motor installed;

[0110] S2, placing a number of circuit boards in the tail cover; and testing whether the circuit boards in the tail cover are qualified, and sequentially performing a second glue filling process, a second drying process and palletizing on the qualified tail covers;

[0111] S3, performing a first laser engraving process on the toothbrush head;

[0112] S4, obtaining welding parameters, and performing welding packaging processing on the packaging box and the toothbrush head according to the welding parameters, and labeling processing on the packaging box;

[0113] S5, obtaining a first detection parameter, performing a battery performance test on the rechargeable battery according to the first detection parameter, and installing the rechargeable battery that passes the test on a bracket;

[0114] S6, obtaining a second detection parameter, and performing a circuit board performance test on the circuit board according to the second detection parameter;

[0115] S7, obtaining welding parameters, and welding the qualified circuit board to the bracket with the rechargeable battery installed according to the welding parameters;

[0116] S8. Conduct circuit test on the soldered circuit board; assemble the motor shaft, tail cover, toothbrush head, rechargeable battery and circuit board, and conduct leakage test, noise test, second laser engraving process and labeling and weighing process on the assembled toothbrush.

[0117] By adopting the above technical scheme, from installing the motor into the motor shaft to producing a motor shaft with qualified glue filling; from installing the circuit board into the tail cover to producing a tail cover with qualified glue filling; and from laser engraving the toothbrush head to producing a toothbrush head with packaging and labeling; the toothbrush automatic assembly method can realize the automated production and assembly of the entire toothbrush, and improve the production and assembly line rate.

[0118] Furthermore, the battery performance test includes a rechargeable battery voltage value test and a rechargeable battery internal resistance test;

[0119] Circuit board performance testing includes circuit board static current testing, circuit board operating current testing, circuit board power testing and circuit board protection function testing;

[0120] Welding parameters include preheating time, soldering time and soldering amount;

[0121] The welding parameters include the welding frequency.

[0122] It should be noted that when the specifications of the specific rechargeable battery and circuit board are different, the corresponding performance test parameters may be different; similarly, if the rechargeable battery holder or the material of the packaging box are different, the corresponding welding parameters or fusion parameters may be different; therefore, the specific performance test parameters, welding parameters, and fusion parameters need to be set according to actual conditions.

[0123] By adopting the above technical solution, the rechargeable battery and the circuit board need to be tested before installation or assembly to avoid the rework rate due to the failure of the rechargeable battery or the circuit board when the assembled toothbrush is tested later, thereby reducing the production efficiency; at the same time, when the toothbrush head is sold separately, it needs to be packaged. The packaging box and the toothbrush head can be welded and packaged in a high-frequency manner. By selecting the appropriate welding frequency, the corresponding processing can be completed without causing damage to the packaging box or the toothbrush head.

[0124] In summary, the toothbrush automatic assembly system provided by the present invention comprises a motor shaft production line 1, a tail cover production line 2, a toothbrush head production line 3 and a toothbrush assembly line 4; wherein, the motor shaft production line 1 can sequentially perform a first glue filling process, a first drying process and a weighing detection process on the motor shaft to realize automatic production of the motor shaft; the tail cover production line 2 can sequentially perform a second glue filling process and a second drying process on the tail cover to realize automatic production of the tail cover; the toothbrush head production line 3 can sequentially perform a first laser engraving process, a packaging process and a labeling process on the toothbrush head to realize automatic production of the toothbrush head; the toothbrush assembly line 4 can perform performance tests on the motor shafts produced by the motor shaft production line 1 and the tail covers produced by the tail cover production line 2, and assemble the motor shafts and tail covers that pass the test with the toothbrush heads, and sequentially perform a second laser engraving process and labeling and weighing processes on the assembled toothbrushes; the toothbrush automatic assembly system can realize automation from the initial production of motor shafts, tail covers and toothbrush heads to performance detection, assembly, laser engraving and labeling and weighing, thereby improving the work efficiency and quality of toothbrush production.

[0125] The toothbrush automatic assembly method provided by the present invention also has the advantages of realizing the automation of toothbrush and toothbrush head production and improving the work efficiency and quality of toothbrush production.

[0126] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A toothbrush automatic assembly system, characterized in that: Including motor shaft production line, tail cover production line, toothbrush head production line and toothbrush assembly line; The motor shaft production line comprises a first glue pouring module, a weighing module, a first drying module and a first palletizing module which are arranged in sequence, and the motor shaft production line is used to sequentially perform a first glue pouring process, a first drying process and a weighing detection process on the motor shaft; wherein the first glue pouring module comprises a first feeding unit, a pressing unit, a first glue pouring unit and a vacuum unit which are arranged in sequence; and is used to press the motor in the motor shaft before the first glue pouring process, and perform a vacuum process after the first glue pouring process; The tail cap production line comprises a second glue pouring module, a second drying module and a second palletizing module which are arranged in sequence, and the tail cap production line is used to sequentially perform a second glue pouring process and a second drying process on the tail caps; wherein the second glue pouring module comprises a second feeding unit, a detection unit and a second glue pouring unit which are arranged in sequence; and is used to detect whether the circuit board in the tail cap is qualified, and perform the second glue pouring process on the tail cap which has passed the detection; The toothbrush head production line comprises a first laser engraving module, a packaging module and a labeling module which are arranged in sequence, and the toothbrush head production line is used to perform a first laser engraving process, a welding packaging process and a labeling process on the toothbrush head; The toothbrush assembly line includes a test module, an assembly module, a second laser engraving module and a labeling and weighing module which are arranged in sequence; the toothbrush assembly line is used to perform performance tests on the motor shaft produced by the motor shaft production line and the tail cap produced by the tail cap production line, and to assemble the motor shaft and tail cap that have passed the test with the toothbrush head, perform a second laser engraving process and perform labeling and weighing processes; wherein the test module includes a battery test unit, a circuit board test unit, an automatic welding unit, a line test unit, a leakage test unit and a noise test unit which are arranged in sequence, and the battery test unit and the circuit board test unit are respectively used to perform battery performance tests or circuit board performance tests on rechargeable batteries and circuit boards; the automatic welding unit and the line test unit are respectively used to weld the rechargeable batteries and circuit boards that have passed the test, and perform line tests on the welded circuit boards; the leakage test unit and the noise test are respectively used to perform leakage tests or noise tests on the assembled toothbrushes.

2. The toothbrush automatic assembly system according to claim 1, characterized in that: The first loading unit comprises a first box body, a first loading turntable arranged on the working surface of the first box body, and a plurality of first clamps evenly distributed on the working surface of the first loading turntable, wherein the plurality of first clamps are used to support and clamp the motor shaft; The pressing unit is arranged on one side of the first clamp, and includes a bracket, a pressing cylinder arranged on the bracket, and a pressing head connected to the end of the pressing cylinder piston rod. The pressing head can move in a direction close to or away from the motor shaft, and a plurality of rubber blocks are arranged on a surface of the pressing head away from the piston rod.

3. The toothbrush automatic assembly system according to claim 2, characterized in that: The first glue filling unit is arranged at one side of the first fixture, and comprises: a glue filling machine, in which glue is stored; A glue pouring bracket, wherein a guide rail and a glue dispensing valve seat are arranged on the glue pouring bracket; the extension direction of the guide rail is the same as the extension direction of the glue pouring bracket, and the glue dispensing valve seat is slidably supported on the guide rail; A dispensing valve, the dispensing valve is carried on the dispensing valve seat, and the inlet of the dispensing valve is connected to the glue outlet of the glue filling machine; The glue pouring cylinder is arranged on the glue pouring bracket and is located on a side of the guide rail away from the motor shaft; the piston rod of the glue pouring cylinder is connected to the glue dispensing valve seat so that the outlet of the glue dispensing valve is aligned with the motor shaft when performing the first glue pouring process.

4. The toothbrush automatic assembly system according to claim 1, characterized in that: The first stacking module includes a first stacking unit and a second stacking unit. The first stacking unit is arranged between the first glue filling module and the first drying module, and is used to stack the motor shaft rods that have passed the weighing. The second stacking unit is arranged at the exit of the first drying module, and is used to stack the motor shaft rods that have been dried. Wherein, the second stacking unit comprises a second box body, and a first through hole is formed on a working surface of the second box body; A transmission component, the transmission component is arranged on the working surface of the second box body and is used for transmitting the motor shaft tray; A stacked disc assembly, the stacked disc assembly is arranged above the transmission assembly and opposite to the first through hole; the stacked disc assembly is provided with a plurality of tray positions spaced apart along the plumb direction for carrying the motor shaft tray; A lifting cylinder is arranged in the second box body, and a piston rod of the lifting cylinder passes through the first through hole and is connected to the bottom of the stacking plate assembly to achieve stacking of a plurality of the motor shaft trays.

5. The toothbrush automatic assembly system according to claim 1, characterized in that: The second laser engraving module includes a third loading unit and a laser engraving unit which are arranged in sequence; Wherein, the third loading unit comprises a loading conveyor belt, a second loading turntable arranged at the end of the loading conveyor belt, and a plurality of second clamps evenly distributed on the working surface of the second loading turntable, wherein the plurality of second clamps are used to support the tail cover; The laser carving unit includes a first laser carving component and a second laser carving component, which are respectively arranged on one side of the corresponding second fixture. The first laser carving component is used to carve the logo on the toothbrush rod, and the second laser carving component is used to carve the logo on the bottom of the tail cover.

6. The toothbrush automatic assembly system according to claim 1, characterized in that: The labeling weighing module comprises a weighing unit and a labeling unit which are arranged in sequence; Wherein, the weighing unit includes a third box body, a weighing component arranged on the working surface of the third box body, and a weighing transmission component arranged above the weighing component, a weighing base plate is arranged on the weighing component, and a plurality of support plates are vertically arranged on a surface of the weighing base plate close to the weighing transmission component; a plurality of second through holes are arranged at intervals on the transport surface of the weighing transmission component, and when weighing, a plurality of the support plates can pass through the second through holes to realize weighing of the toothbrush.

7. A toothbrush automatic assembly method, characterized in that: The following steps are involved: The motor is mounted in the motor shaft; and the motor shaft on which the motor is mounted is pressed, first glue-filled, vacuumed, weighed, tested, first dried and stacked in sequence; A plurality of circuit boards are placed in the tail cover; and the circuit boards in the tail cover are tested to be qualified, and the tail cover that is qualified is sequentially subjected to a second glue filling process, a second drying process and palletizing; Perform the first laser engraving process on the toothbrush head; Acquire welding parameters, and perform welding packaging processing on the packaging box and the toothbrush head according to the welding parameters; and labeling the packaging box; Acquire a first detection parameter, perform a battery performance test on the rechargeable battery according to the first detection parameter, and install the rechargeable battery that passes the test on a bracket; Acquire a second detection parameter, and perform a circuit board performance test on the circuit board according to the second detection parameter; Obtaining welding parameters, and welding the qualified circuit board to the bracket on which the rechargeable battery is installed according to the welding parameters; The circuit board after welding is subjected to a circuit test; the motor shaft, tail cover, toothbrush head, rechargeable battery and circuit board are assembled, and the assembled toothbrush is subjected to a leakage test, a noise test, a second laser engraving process and a labeling and weighing process in sequence.

8. The toothbrush automatic assembly method according to claim 7, characterized in that: The battery performance test includes a rechargeable battery voltage value test and a rechargeable battery internal resistance test; The circuit board performance test includes a circuit board static current test, a circuit board operating current test, a circuit board power test and a circuit board protection function test; The welding parameters include preheating time, soldering time and soldering amount; The welding parameters include welding frequency.

Images