Automatic assembling equipment for electric toothbrush shaft core

Abstract

The utility model relates to the technical field of electric toothbrush production, in particular to electric toothbrush shaft core automatic assembly equipment which comprises a machine table, a rotation driving mechanism, a rotary table, a plurality of carriers, a shaft rod feeding device, a shaft sleeve sleeving device, a flattening position device, a spinning assembly joint device, a fixed-length assembly joint device and a fixed-length assembly feeding device. The shaft rod feeding device feeds a shaft rod to the carrier, the shaft sleeve sleeving device sleeves the shaft rod with a shaft sleeve, the flattening position device presses and forms a flat position at the top end of the shaft rod, the spinning assembly joint device assembles a joint at the flat position of the shaft rod in a spinning mode, and the fixed-length assembly joint device assembles the joint on the shaft rod in a fixed-length mode. The fixed-length assembling feeding device transfers the shaft rod which is loaded by the carrier and provided with the connector to the fixed-length connector assembling device. According to the production line, feeding of the shaft rod, sleeving of the shaft sleeve, flat position forming of the shaft rod, spinning assembly of the connector and fixed-length assembly of the connector are automatically achieved, and the efficiency and quality of producing the electric toothbrush shaft core are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric toothbrush production technical field especially is a kind of electric toothbrush shaft core automatic assembly equipment. BACKGROUND

[0002] In the process of producing electric toothbrush shaft core, shaft rod, shaft sleeve and joint need to be assembled together.In existing patent, the Chinese patent document with application number 201822113430.0 discloses a shaft core automatic assembly machine, which comprises a shaft sleeve vibration disc, a shaft core blanking bin and an assembly platform.The assembly platform comprises a groove plate and a guide block located on one side of the groove plate.The groove plate is provided with a first slot for accommodating the shaft core (shaft rod).The bottom of the first slot is provided with a movable plate for supporting the shaft core.The guide block is provided with a cavity adapted to the shaft sleeve.The guide block is provided with a second slot corresponding to the first slot on one side.The shaft sleeve vibration disc is located above the guide block, and the discharge port of the shaft sleeve vibration disc is communicated with the cavity.The shaft core blanking bin is located above the groove plate.One end of the groove plate is provided with a pressing mechanism for pressing the shaft core falling into the first slot into the shaft sleeve.By setting the shaft sleeve vibration disc, the shaft core blanking bin, the movable plate for supporting the shaft core and the pressing mechanism, the shaft core (shaft rod) is pressed into the shaft sleeve, replacing manual assembly.However, the patent document can only realize the assembly of shaft rod and shaft sleeve, and cannot realize the automatic assembly of shaft rod, shaft sleeve and joint, so it is difficult to improve the production efficiency and quality of shaft core.

[0003] In addition, the Chinese patent document with application number 202222760179.3 discloses an electric toothbrush inner shaft assembly machine, which comprises a rack.A platen is provided on the rack.The assembly machine further comprises a turntable mechanism, which comprises a turntable rotatably mounted on the platen, a power unit drivingly connected to and driving the turntable to make circular motion, and six groups of clamping mechanisms arranged in an annular array on the edge of the disc surface of the turntable.Six workstations are arranged in an annular array on the platen around the periphery of the turntable.Every time the six groups of clamping mechanisms rotate by one angle, they are aligned with the six workstations.The patent document uses a turntable to move the products, and sets loading workstations and processing workstations around the periphery of the turntable, so that each process is completed automatically by machinery.However, the patent document realizes the assembly of inner shaft, spring and T-pin, which is different from the assembly of shaft rod, shaft sleeve and joint, and cannot realize the assembly of shaft rod, shaft sleeve and joint.

[0004] Therefore, the defects are very obvious, and a solution is urgently needed. UTILITY MODEL CONTENTS

[0005] To solve the above technical problems, the purpose of the utility model is to provide an electric toothbrush shaft core automatic assembly equipment.

[0006] To achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An automatic assembling equipment for a motorized toothbrush shaft core, comprising a machine table, a rotating driving mechanism installed on the machine table, a rotating disc installed on the rotating end of the rotating driving mechanism, a plurality of carriers installed in an annular array on the rotating disc, a shaft rod feeding device, a sleeve shaft sleeve device, a flattening device, a spinning assembly joint device and a fixed length assembly joint device respectively installed on the machine table and sequentially distributed on the periphery of the rotating disc, the machine table is provided with a fixed length assembly feeding device, the shaft rod feeding device is used for feeding the shaft rod to the carrier, the sleeve shaft sleeve device is used for sleeving the shaft sleeve on the shaft rod, the flattening device is used for pressing and forming a flattening position at the top end of the shaft rod, the spinning assembly joint device is used for spinning and assembling a joint at the flattening position of the shaft rod, the fixed length assembly joint device is used for fixedly assembling a joint on the shaft rod, and the fixed length assembly feeding device is used for transferring the shaft rod with the assembled joint carried by the carrier to the fixed length assembly joint device.

[0008] Further, the shaft rod feeding device comprises a shaft rod feeding mechanism, a shaft rod transferring mechanism arranged at the discharging end of the shaft rod feeding mechanism and a turnover feeding mechanism arranged correspondingly with the shaft rod transferring mechanism, the shaft rod feeding mechanism is used for supplying the shaft rod to the shaft rod transferring mechanism, the shaft rod transferring mechanism is used for transferring the shaft rod to the turnover feeding mechanism, and the turnover feeding mechanism is used for feeding the shaft rod after 180° turnover to the carrier.

[0009] Further, the shaft rod transferring mechanism comprises a transferring frame installed on the machine table, an interface shaft rod seat movably arranged at the discharging end of the shaft rod feeding mechanism, an interface shaft rod driver installed on the transferring frame and used for driving the interface shaft rod seat to approach or move away from the turnover feeding mechanism, a supporting block movably arranged at the discharging end of the shaft rod feeding mechanism and arranged opposite to the interface shaft rod seat, and a supporting driver installed on the transferring frame and used for driving the supporting block to approach or move away from the interface shaft rod seat, the interface shaft rod seat is provided with an open interface shaft rod groove used for connecting the discharging end of the shaft rod feeding mechanism, and the supporting block can extend into the open interface shaft rod groove.

[0010] Further, the sleeve assembling device comprises a sleeve vibration disc arranged on the machine, a sleeve assembling frame arranged on the machine, a seat arranged on the sleeve assembling frame, a supporting seat arranged on one end of the seat away from the sleeve assembling frame, a pressing sleeve driving device arranged on the supporting seat, a pressing rod arranged on the driving end of the pressing sleeve driving device, a sleeve connecting driving device arranged on the sleeve assembling frame, and a sleeve connecting block arranged on the driving end of the sleeve connecting driving device. A sliding groove is horizontally arranged in the middle of the seat, and the sleeve connecting block is slidingly arranged in the sliding groove. The sleeve connecting block is provided with a sleeve connecting hole. A feeding hole is concavely arranged on the top surface of one end of the seat and is in communication with the sliding groove. A notch is concavely arranged on the other end of the seat and is in communication with the sliding groove. The pressing rod is correspondingly arranged with the notch. A discharging hole is arranged on the bottom wall of the end of the sliding groove away from the feeding hole. The sleeve connecting hole is used for connecting the feeding hole or the discharging hole. The feeding hole is in communication with the discharging port of the sleeve vibration disc through a feeding pipe. The pressing sleeve driving device is used for driving the pressing rod to lift. The sleeve connecting driving device is used for driving the sleeve connecting block to horizontally move along the sliding groove. The pressing rod can penetrate the sleeve connecting hole and the discharging hole.

[0011] Further, the sleeve assembling device further comprises a first shaft supporting rod mechanism arranged below the seat of the sleeve assembling frame and a first shaft rod sensor arranged on the main body of the first shaft supporting rod mechanism. The first shaft rod sensor is electrically connected with the pressing sleeve driving device.

[0012] Further, the flattening device comprises a flattening frame, a flattening lifting seat slidingly connected to the flattening frame, a flattening lifting driving mechanism arranged on the flattening frame and used for driving the flattening lifting seat to lift, a flattening lifting block slidingly connected to the flattening lifting seat, a flattening lifting driver arranged on the flattening lifting seat and used for driving the flattening lifting block to lift, a flattening assembly arranged below the flattening lifting block, and a second shaft supporting rod mechanism arranged on the bottom of the flattening lifting seat and below the flattening assembly. The flattening assembly comprises a fixing seat, an elastic pulling piece, an elastic piece, two symmetrical swing arms, two symmetrical sliding blocks, and two symmetrical pressing knives. Two driving inclined surfaces are symmetrically arranged on the bottom of the flattening lifting block. Two rotating cavities are arranged on the two sides of the fixing seat, and the two rotating cavities are correspondingly arranged with the two swing arms. The middle part of the swing arm is rotatably connected with the two opposite side walls of the rotating cavity. The middle upper part of the two swing arms is elastically connected through the elastic pulling piece. The top end of the two swing arms respectively abuts against the two driving inclined surfaces. The two sliding blocks are horizontally slidingly connected to the bottom of the fixing seat, and the two sliding blocks are located between the bottom ends of the two swing arms. The bottom ends of the two swing arms respectively abut against the two sliding blocks. The two pressing knives are arranged on the two sliding blocks, and the elastic piece is clamped between the two sliding blocks.

[0013] Further, the spinning assembly joint device comprises a joint supply mechanism arranged on the machine table, a joint receiving seat arranged at the output end of the joint supply mechanism, a lifting mechanism arranged on the machine table and used for lifting the joint received by the joint receiving seat, a third shaft supporting rod mechanism arranged on one side of the joint receiving seat and located at the periphery of the rotating disc, a feeding and discharging manipulator arranged on the machine table, and a picking spinning assembly mechanism arranged at the output end of the feeding and discharging manipulator, which is movably arranged above the joint receiving seat and the carrier.

[0014] Further, the picking spinning assembly mechanism comprises a pressing driver arranged at the output end of the feeding and discharging manipulator, and a rotary jaw cylinder arranged at the pressing end of the pressing driver, wherein the rotary part of the rotary jaw cylinder is arranged with a fixing ring, and the fixing ring is arranged with a pressing block located in the space formed by the two jaws of the rotary jaw cylinder.

[0015] Further, the fixed-length assembly joint device comprises a fixed-length assembly frame arranged on the machine table, a supporting plate arranged at the middle part of the fixed-length assembly frame, a fixed-length assembly bottom die arranged on the supporting plate, a feeding rail arranged on one side of the supporting plate and arranged on the fixed-length assembly frame or the machine table, a fixed-length assembly driver arranged at the top of the fixed-length assembly frame, a fixed-length assembly pressing head arranged at the driving end of the fixed-length assembly driver and corresponding to the fixed-length assembly bottom die, a feeding and discharging driver arranged on the supporting plate, a clamping driver arranged at the driving end of the feeding and discharging driver, and two clamping blocks respectively arranged at the two clamping ends of the clamping driver, wherein the clamping driver is used to drive the two clamping blocks to move close to or away from each other, the feeding and discharging driver is used to drive the clamping driver and the two clamping blocks to move reciprocally between the fixed-length assembly bottom die and the feeding rail, the middle part of the two clamping blocks is arranged with an opening avoiding groove for the feeding end of the fixed-length assembly feeding device to move in or out, and the fixed-length assembly driver is used to drive the fixed-length assembly pressing head to move close to or away from the fixed-length assembly bottom die.

[0016] Further, the electric toothbrush shaft core assembly machine further comprises a second shaft rod sensor arranged on the machine table and located between the shaft rod feeding device and the sleeve fitting device, a sleeve sensor arranged on the machine table and located between the sleeve fitting device and the flattening device, and a fourth shaft supporting rod mechanism arranged on the machine table and located between the spinning assembly joint device and the fixed-length assembly joint device, wherein the main body of the fourth shaft supporting rod mechanism is arranged with a joint sensor, and the second shaft rod sensor, the sleeve sensor and the fourth shaft supporting rod mechanism are all distributed at the periphery of the rotating disc.

[0017] The utility model discloses beneficial effect: in practical application, rotation drive mechanism drives carousel intermittent rotation with a plurality of carriers, so that each carrier rotates to the shaft rod feeding device, the sleeve shaft sleeve device, the flattening position device, the spinning assembly joint device and the fixed length assembly joint device below in turn, the shaft rod feeding device is fed to the shaft rod on the carrier, and the sleeve shaft sleeve device is sleeved on the shaft rod that the carrier bears, and the flattening position device is pressed into the flattening position on the top of the shaft rod that is sleeved with the shaft sleeve, and the spinning assembly joint device is spun and assembled in the flattening position of the shaft rod, and the fixed length assembly joint device is spun and assembled in the joint of the flattening position of the shaft rod on the shaft rod, so that the joint can be accurately assembled on the suitable position of the shaft rod, guarantees the position consistency of the joint assembly on the shaft rod, thereby guaranteeing the quality and consistency of the assembled electric toothbrush shaft core, the utility model discloses can automatically realize the feeding of the shaft rod, the sleeve of the shaft sleeve, the flattening of the shaft rod, the spinning assembly of the joint and the fixed length assembly of the joint, improves the efficiency and quality of producing electric toothbrush shaft core. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0019] Figure 2 It is the three-dimensional structure schematic diagram of the shaft rod feeding device of the utility model.

[0020] Figure 3 It is the three-dimensional structure schematic diagram of the sleeve shaft sleeve device of the utility model behind hiding shaft sleeve vibration disc.

[0021] Figure 4 It is the sectional view of the sleeve shaft sleeve device of the utility model behind hiding shaft sleeve vibration disc.

[0022] Figure 5 It is the three-dimensional structure schematic diagram of the first axle rod mechanism and the first axle rod inductor of the utility model.

[0023] Figure 6 It is the three-dimensional structure schematic diagram of the flattening position device of the utility model.

[0024] Figure 7 It is the three-dimensional structure schematic diagram of the flattening position device of the utility model from another perspective.

[0025] Figure 8 It is the three-dimensional structure schematic diagram of the spinning assembly joint device of the utility model.

[0026] Figure 9 It is the three-dimensional structure schematic diagram of the picking spinning assembly mechanism of the utility model.

[0027] Figure 10 It is the three-dimensional structure schematic diagram of the fixed length assembly joint device of the utility model.

[0028] Reference signs:

[0029] 1, machine table; 2, rotary table; 3, carrier; 4, shaft rod feeding device; 5, shaft sleeve assembling device; 6, flattening position device; 7, spinning assembly joint device; 8, fixed length assembly joint device; 9, fixed length assembly feeding device; 10, shaft rod feeding mechanism; 11, shaft rod transfer mechanism; 12, turnover feeding mechanism; 13, shaft rod vibration disc; 14, shaft rod track; 15, shaft rod linear vibration feeder; 16, transfer frame; 17, shaft rod seat; 18, shaft rod driver; 19, material supporting block; 20, material supporting driver; 21, open shaft rod slot; 22, turnover feeding frame; 23, turnover feeding translation driver; 24, turnover feeding lifting driver; 25, turnover driver; 26, clamping shaft rod driver; 27, clamping shaft rod block; 28, shaft sleeve vibration disc; 29, shaft sleeve assembling frame; 30, seat body; 31, supporting seat; 32, pressing sleeve assembling driver; 33, pressing rod; 34, shaft sleeve receiving driver; 35, shaft sleeve receiving block; 36, sliding slot; 37, shaft sleeve receiving hole; 38, feeding hole; 39, notch; 40, discharging hole; 41, material pipe; 42, center hole; 43, first shaft rod supporting mechanism; 44, first shaft rod sensor; 45, clamping driver; 46, clamping piece; 47, clamping slot; 48, accommodating slot; 49, flattening position frame; 50, flattening position lifting seat; 51, flattening position lifting driving mechanism; 52, flattening position lifting block; 53, flattening position lifting driver; 54, flattening position assembly; 55, second shaft rod supporting mechanism; 56, fixed seat; 57, elastic pulling piece; 58, elastic piece; 59, swing arm; 60, pressing knife; 61, driving inclined surface; 62, rotating cavity; 63, rotating block; 64, joint providing mechanism; 65, joint receiving seat; 66, lifting mechanism; 67, third shaft rod supporting mechanism; 68, feeding and discharging manipulator; 69, picking spinning assembly mechanism; 70, pressing driver; 71, rotary clamping jaw cylinder; 72, fixed ring; 73, pressing block; 74, joint vibration disc; 75, joint track; 76, joint linear vibration feeder; 77, joint receiving slot; 78, fixed length assembly frame; 79, supporting plate; 80, fixed length assembly bottom die; 81, discharging track; 82, fixed length assembly driver; 83, fixed length assembly pressing head; 84, discharging driver; 85, clamping driver; 86, clamping block; 87, open avoiding slot; 88, joint supporting slot; 89, shaft rod supporting slot; 90, step; 91, second shaft rod sensor; 92, shaft sleeve sensor; 93, fourth shaft rod supporting mechanism; 94, joint sensor; 95, sliding block. DETAILED DESCRIPTION

[0030] In order to facilitate the understanding of those skilled in the art, the present application will be further described below in conjunction with the embodiments and drawings, and the content mentioned in the embodiments is not a limitation of the present application.

[0031] As Figures 1 to 10 The utility model provides a kind of automatic assembly equipment of electric toothbrush shaft core, it includes machine table 1, the rotary drive mechanism being equipped in machine table 1, the rotary disc 2 of rotary end being equipped in rotary drive mechanism, multiple carriers 3 and respectively being equipped in machine table 1 and sequentially distributing in the circumferential side of rotary disc 2 are equipped in rotary disc 2 in annular array, shaft rod feeding device 4, sleeve sleeve device 5, flattening position device 6, spinning assembly joint device 7 and fixed length assembly joint device 8, machine table 1 is equipped with fixed length assembly feeding device 9, shaft rod feeding device 4 is for feeding shaft rod to carrier 3, sleeve sleeve device 5 is for sleeve sleeve on shaft rod, flattening position device 6 is for being pressed into shape flattening position at the top of shaft rod, spinning assembly joint device 7 is for spinning assembly joint in the flattening position of shaft rod, fixed length assembly joint device 8 is for fixed length assembly joint on shaft rod, fixed length assembly feeding device 9 is for transferring the shaft rod of carrier 3 and being assembled with joint to fixed length assembly joint device 8.

[0032] In practical application, rotary drive mechanism drives rotary disc 2 with multiple carriers 3 intermittent rotation, so that each carrier 3 sequentially rotates to the below of shaft rod feeding device 4, sleeve sleeve device 5, flattening position device 6, spinning assembly joint device 7 and fixed length assembly joint device 8, shaft rod feeding device 4 feeds shaft rod to carrier 3, sleeve sleeve device 5 sleeve sleeve on the shaft rod carried by carrier 3, flattening position device 6 is pressed into shape flattening position at the top of the shaft rod with sleeve, spinning assembly joint device 7 spinning assembly joint in the flattening position of shaft rod, fixed length assembly joint device 8 spinning assembly joint in the flattening position of shaft rod on shaft rod, so that joint can be accurately assembled on the appropriate position of shaft rod, ensure that joint is assembled on the position of shaft rod, so as to ensure the quality and consistency of the electric toothbrush shaft core after assembly.The utility model can automatically realize the feeding of shaft rod, the sleeve of sleeve, the flattening of shaft rod, the spinning assembly of joint and the fixed length assembly of joint, improve the efficiency and quality of production electric toothbrush shaft core.

[0033] In the embodiment, shaft rod feeding device 4 includes shaft rod supply mechanism 10, shaft rod transfer mechanism 11 arranged at the discharge end of shaft rod supply mechanism 10 and turnover feeding mechanism 12 correspondingly arranged with shaft rod transfer mechanism 11, shaft rod supply mechanism 10 is used to supply shaft rod to shaft rod transfer mechanism 11, shaft rod transfer mechanism 11 is used to transfer shaft rod to turnover feeding mechanism 12, turnover feeding mechanism 12 is used to feed to carrier 3 after 180 ° turnover of shaft rod, the turnover feeding end of turnover feeding mechanism 12 is below the transfer end of shaft rod transfer mechanism 11.

[0034] In actual application, the shaft rod supply mechanism 10 supplies the shaft rod to the transfer end of the shaft rod transfer mechanism 11, and the transfer end of the shaft rod transfer mechanism 11 transfers the shaft rod to the turnover feeding end of the turnover feeding mechanism 12, at this time, the head of the shaft rod is upward, and the rod of the shaft rod is downward, while the turnover feeding mechanism 12 turns over the shaft rod by 180°, the turnover feeding mechanism 12 places the turned over shaft rod on the corresponding carrier 3, so that the head of the shaft rod is placed downward in the load hole of the carrier 3, and the rod of the shaft rod is upward and extends out of the load hole of the carrier 3. Since the head of the shaft rod is heavy, when the shaft rod supply mechanism 10 supplies the shaft rod, the head of the shaft rod is upward under the action of gravity, therefore, before the shaft rod is fed to the carrier 3, the shaft rod needs to be turned over by 180°, so that the head of the shaft rod is downward.

[0035] Specifically, the shaft rod supply mechanism 10 comprises a shaft rod vibration disc 13 arranged on the machine table 1, a shaft rod track 14 connected to the discharge end of the shaft rod vibration disc 13, and a shaft rod linear vibration feeder 15 arranged on the machine table 1 and abutting against the bottom surface of the shaft rod track 14. In actual application, the shaft rod vibration disc 13 orderly delivers the shaft rod to the shaft rod track 14, under the action of the shaft rod linear vibration feeder 15 and gravity of the shaft rod, the head of the shaft rod is upward and moves along the shaft rod track 14, so that the shaft rod is supplied to the shaft rod transfer mechanism 11 one by one.

[0036] In the embodiment, the shaft rod transfer mechanism 11 comprises a transfer frame 16 arranged on the machine table 1, an interface shaft rod seat 17 movably arranged at the discharge end of the shaft rod supply mechanism 10, an interface shaft rod driver 18 arranged on the transfer frame 16 and used for driving the interface shaft rod seat 17 to approach or move away from the turnover feeding mechanism 12, a supporting block 19 movably arranged at the discharge end of the shaft rod supply mechanism 10 and oppositely arranged with the interface shaft rod seat 17, and a supporting driver 20 arranged on the transfer frame 16 and used for driving the supporting block 19 to approach or move away from the interface shaft rod seat 17, the interface shaft rod seat 17 is provided with an open interface shaft rod groove 21 used for connecting with the discharge end of the shaft rod supply mechanism 10, and the supporting block 19 can extend into the open interface shaft rod groove 21.

[0037] In actual application, at the beginning, the open shaft rod slot 21 is connected with the discharge end of the shaft rod track 14, the shaft rod track 14 supplies the shaft rod into the open shaft rod slot 21, at this time, the material supporting driver 20 drives the material supporting block 19 to move close to the open shaft rod slot 21, so that the material supporting block 19 extends into the open shaft rod slot 21 and clamps the shaft rod in the open shaft rod slot 21, then the shaft rod driver 18 drives the shaft rod seat 17 to move towards the direction close to the turnover feeding mechanism 12, and the side wall of the shaft rod seat 17 can block the discharge port of the shaft rod track 14 of the shaft rod feeding mechanism 10, at the same time, the material supporting driver 20 drives the material supporting block 19 to move towards the direction close to the turnover feeding mechanism 12, the shaft rod seat 17 and the material supporting block 19 clamp the shaft rod and move synchronously, until the shaft rod moves to the turnover feeding mechanism 12, the turnover feeding end of the turnover feeding mechanism 12 picks up the shaft rod, so as to realize the transfer of the shaft rod.

[0038] Specifically, the turnover feeding mechanism 12 comprises a turnover feeding frame 22 arranged on the machine table 1, a turnover feeding translation driver 23 arranged on the turnover feeding frame 22, a turnover feeding lifting driver 24 arranged on the output end of the turnover feeding translation driver 23, a turnover driver 25 arranged on the lifting end of the turnover feeding lifting driver 24, a shaft rod clamping driver 26 arranged on the turnover end of the turnover driver 25, and two shaft rod clamping blocks 27 respectively arranged on the two clamping ends of the shaft rod clamping driver 26, the turnover driver 25 is used for driving the shaft rod clamping driver 26 and the two shaft rod clamping blocks 27 to rotate 180°, and the shaft rod clamping driver 26 is used for driving the two shaft rod clamping blocks 27 to move close to or away from each other. Preferably, the turnover driver 25 and the shaft rod clamping driver 26 can be replaced by a rotary jaw cylinder 71.

[0039] In actual application, the shaft rod transfer mechanism 11 moves the shaft rod between the two shaft rod clamping blocks 27, the shaft rod clamping driver 26 drives the two shaft rod clamping blocks 27 to move close to each other to clamp the shaft rod, then the turnover feeding translation driver 23 drives the turnover feeding lifting driver 24, the turnover driver 25, the shaft rod clamping driver 26, the two shaft rod clamping blocks 27 and the shaft rod to move above the corresponding carrier 3, at the same time, the turnover driver 25 drives the shaft rod clamping driver 26, the two shaft rod clamping blocks 27 and the shaft rod to rotate 180°, so that the head of the shaft rod faces downward, then the turnover feeding lifting driver 24 drives the turnover driver 25, the shaft rod clamping driver 26, the two shaft rod clamping blocks 27 and the shaft rod to move downward, until the shaft rod is placed on the carrier 3, so as to realize the turnover and feeding of the shaft rod.

[0040] In the embodiment, the shaft sleeve assembling device 5 comprises a shaft sleeve vibrating disc 28 arranged on the machine table 1, a shaft sleeve assembling frame 29 arranged on the machine table 1, a seat body 30 arranged on the shaft sleeve assembling frame 29, a supporting seat 31 arranged on one end of the seat body 30 away from the shaft sleeve assembling frame 29, a pressing sleeve driving device 32 arranged on the supporting seat 31, a pressing rod 33 arranged on the driving end of the pressing sleeve driving device 32, a shaft sleeve connecting driving device 34 arranged on the shaft sleeve assembling frame 29, and a shaft sleeve connecting block 35 arranged on the driving end of the shaft sleeve connecting driving device 34. A sliding groove 36 is horizontally arranged in the middle of the seat body 30, and the shaft sleeve connecting block 35 is slidingly arranged in the sliding groove 36. The shaft sleeve connecting block 35 is provided with a shaft sleeve connecting hole 37. The top surface of one end of the seat body 30 is concavely provided with a feeding hole 38 communicating with the sliding groove 36. The other end of the seat body 30 is concavely provided with a gap 39 communicating with the sliding groove 36. The pressing rod 33 is correspondingly arranged with the gap 39. The bottom wall of one end of the sliding groove 36 away from the feeding hole 38 is provided with a discharging hole 40. The shaft sleeve connecting hole 37 is used for connecting the feeding hole 38 or the discharging hole 40. The feeding hole 38 communicates with the discharging port of the shaft sleeve vibrating disc 28 through a material pipe 41. The pressing sleeve driving device 32 is used for driving the pressing rod 33 to ascend and descend. The shaft sleeve connecting driving device 34 is used for driving the shaft sleeve connecting block 35 to horizontally move along the sliding groove 36. The pressing rod 33 can penetrate the shaft sleeve connecting hole 37 and the discharging hole 40.

[0041] In actual application, the carrier 3 rotates to the lower side of the shaft sleeve assembling device 5. The shaft rod on the carrier 3 is coaxial with the discharging hole 40. The shaft sleeve vibrating disc 28 orderly delivers the shaft sleeve into the material pipe 41. The shaft sleeves in the material pipe 41 enter the feeding hole 38 one by one. At this time, the shaft sleeve connecting hole 37 of the shaft sleeve connecting block 35 communicates with the feeding hole 38. The shaft sleeve in the feeding hole 38 falls into the shaft sleeve connecting hole 37. Then, the shaft sleeve connecting driving device 34 drives the shaft sleeve connecting block 35 to move along the sliding groove 36 together with the shaft sleeve. Until the shaft sleeve connecting hole 37 of the shaft sleeve connecting block 35 communicates with the discharging hole 40. The pressing rod 33 is coaxial with the shaft sleeve connecting hole 37. Then, the pressing sleeve driving device 32 drives the pressing rod 33 to descend. The descending pressing rod 33 is inserted into the shaft sleeve connecting hole 37 and the discharging hole 40 and presses the shaft sleeve to be assembled on the rod part of the shaft rod, so that the shaft sleeve is assembled outside the rod part of the shaft rod.

[0042] Specifically, the central hole 42 is arranged on the shaft of the pressing rod 33. The central hole 42 can be inserted into the rod part of the shaft rod. When the pressing rod 33 presses the shaft sleeve to be assembled on the rod part of the shaft rod, the rod part of the shaft rod is inserted into the central hole 42 of the pressing rod 33 as the pressing rod 33 descends. Thus, the pressing rod 33 can assemble the shaft sleeve in place.

[0043] In the embodiment, the shaft sleeve assembling device 5 further comprises a first shaft rod supporting mechanism 43 arranged on the shaft sleeve assembling frame 29 and located below the seat body 30, and a first shaft rod sensor 44 arranged on the main body of the first shaft rod supporting mechanism 43. The first shaft rod sensor 44 is electrically connected with the pressing sleeve driving device 32.

[0044] When the carrier 3 is rotated to the lower side of the sleeve assembly device 5, the first shaft rod supporting mechanism 43 supports the rod part of the shaft rod carried by the carrier 3 in a clamping manner, so as to ensure the position accuracy and stability of the shaft rod. After the shaft rod is supported by the first shaft rod supporting mechanism 43, when the first shaft rod sensor 44 senses the shaft rod, the first shaft rod sensor 44 feeds back information to the downward pressing assembly driver 32, so that the downward pressing assembly driver 32 drives the downward pressing rod 33 to move downward, so as to press the sleeve downward and assemble the sleeve on the rod part of the shaft rod. Through the above structure design, the sleeve is assembled after the rod part of the shaft rod is supported, so that the assembly quality of the shaft rod and the sleeve is improved, and the assembly yield is greatly improved.

[0045] Specifically, the first shaft rod supporting mechanism 43 comprises a clamping driver 45 arranged on the sleeve assembly frame 29 and two clamping pieces 46 respectively arranged on the two output ends of the clamping driver 45. The clamping driver 45 is used to drive the two clamping pieces 46 to move close to or away from each other. The clamping ends of the two clamping pieces 46 are recessed with clamping grooves 47 on the side close to each other. The thickness of the clamping end of one clamping piece 46 is greater than that of the other clamping piece 46. The clamping end of the thick clamping piece 46 is recessed with a containing groove 48 in the middle, which is used to accommodate the clamping end of the thin clamping piece 46. The containing groove 48 is recessed from the side wall of the clamping groove 47 of the clamping end of the thick clamping piece 46, so as to divide the clamping groove 47 into two parts.

[0046] In actual application, when the rod part of the shaft rod carried by the carrier 3 is located between the two clamping pieces 46, the clamping driver 45 drives the two clamping pieces 46 to move close to each other, so that the two clamping pieces 46 clamp the rod part of the shaft rod, and the rod part of the shaft rod is clamped in the clamping grooves 47 of the two clamping pieces 46. When the clamping ends of the two clamping pieces 46 clamp the rod part of the shaft rod, the clamping end of one clamping piece 46 is inserted into the containing groove 48 of the clamping end of the other clamping piece 46, so that the clamping grooves 47 of the two clamping pieces 46 clamp the rod part of the shaft rod. At this time, since the clamping groove 47 of the thick clamping piece 46 is divided into two parts, the two clamping pieces 46 clamp the rod part of the shaft rod in a three-point positioning clamping mode, so as to improve the stability of clamping the rod part of the shaft rod and correct the rod part of the shaft rod.

[0047] The flattening device 6 in the embodiment comprises a flattening frame 49, a flattening lifting seat 50 slidably connected to the flattening frame 49, a flattening lifting driving mechanism 51 arranged on the flattening frame 49 and used for driving the flattening lifting seat 50 to lift, a flattening lifting block 52 slidably connected to the flattening lifting seat 50, a flattening lifting driver 53 arranged on the flattening lifting seat 50 and used for driving the flattening lifting block 52 to lift, a flattening assembly 54 arranged below the flattening lifting block 52, and a second supporting shaft mechanism 55 arranged on the bottom of the flattening lifting seat 50 and below the flattening assembly 54. The flattening assembly 54 comprises a fixing seat 56, an elastic pulling piece 57, an elastic piece 58, two symmetrical swing arms 59, two symmetrical sliding blocks 95, and two symmetrical pressing knives 60. Two driving inclined surfaces 61 are symmetrically arranged on the bottom of the flattening lifting block 52. Two rotating cavities 62 are arranged on the two sides of the fixing seat 56, and the two rotating cavities 62 are correspondingly arranged with the two swing arms 59. The middle part of the swing arm 59 is rotatably connected with the two opposite side walls of the rotating cavity 62. The middle upper part of the swing arm 59 is elastically connected through the elastic pulling piece 57. The top end of the swing arm 59 is in contact with the driving inclined surface 61. The two sliding blocks 95 are horizontally slidably connected to the bottom of the fixing seat 56. The two sliding blocks 95 are located between the bottom ends of the two swing arms 59. The bottom end of the swing arm 59 is in contact with the sliding block 95. The two pressing knives 60 are arranged on the two sliding blocks 95. The elastic piece 58 is clamped between the two sliding blocks 95.

[0048] In practical application, at the beginning, the elastic member 58 is in the stretched state, the elastic member 58 applies elastic force to the two sliding blocks 95 away from each other, so that the sliding blocks 95 are always in contact with the bottom ends of the swing arms 59, the elastic pull member 57 applies elastic force to the middle and upper parts of the two swing arms 59 to approach each other, so that the top ends of the swing arms 59 are always in contact with the driving slopes 61, and the bottom ends of the two swing arms 59 are in the open state; when the shaft carried by the carrier 3 is below the flattening position device 6, the flattening position lifting driving mechanism 51 drives the flattening position lifting seat 50 and the flattening position assembly 54 to descend, until the rod top of the shaft is located between the bottom ends of the two swing arms 59 of the flattening position assembly 54, that is, the rod top of the shaft is located between the two pressing knives 60, at the same time, the second shaft supporting mechanism 55 supports the middle position of the rod of the shaft, to ensure the stability and position accuracy of the shaft, then the flattening position lifting driver 53 drives the flattening position lifting block 52 to descend, the two driving slopes 61 of the descending flattening position lifting block 52 are in contact with the top ends of the two swing arms 59 respectively, as the flattening position lifting block 52 descends, the distance between the two driving slopes 61 gradually increases, to drive the top ends of the two swing arms 59 to move away from each other, so that the two swing arms 59 swing, the bottom ends of the two swing arms 59 approach each other and move the two sliding blocks 95 to approach each other, so that the two pressing knives 60 approach each other, the two pressing knives 60 press the rod top of the shaft to extrude and form a flattening position on the rod top of the shaft, finally the flattening position lifting driver 53 drives the flattening position lifting block 52 to ascend and reset, as the flattening position lifting block 52 ascends, the elastic force of the elastic pull member 57 drives the top ends of the two swing arms 59 to approach each other and reset, and the elastic force of the elastic member 58 drives the two sliding blocks 95 to move away from each other and reset, so that the two pressing knives 60 release the shaft, the second shaft supporting mechanism 55 releases the shaft, then the flattening position lifting driving mechanism 51 drives the flattening position lifting seat 50, the flattening position lifting block 52 and the flattening position assembly 54 to ascend and reset as a whole, to facilitate the flattening position forming of the next shaft. The flattening position device 6 can stably and reliably form a flattening position on both sides of the rod top of the shaft, and the forming efficiency of the flattening position is high.

[0049] Specifically, the top end of the swing arm 59 is rotationally connected with a rotating block 63, the rotating block 63 is in rolling contact with the driving slope 61, and the rotating block 63 can be a rotating wheel, a rotating ball or a bearing. In the lifting process of the flattening position lifting block 52, the rotating block 63 is in rolling contact with the driving slope 61, which reduces the friction resistance and wear, and prolongs the service life of the flattening position lifting block 52 and the swing arm 59.

[0050] Specifically, the bottom surface of the fixing base 56 is concave upward to form a sliding cavity, two sliding blocks 95 are slidingly arranged in the sliding cavity, so that the structure of the fixing base 56 and the sliding blocks 95 is compact, the rotating cavity 62 is communicated with the sliding cavity, the bottom end of the swing arm 59 can extend into the sliding cavity, and two opposite side walls of the sliding cavity are horizontally provided with guide rods, and the two sliding blocks 95 slidingly penetrate the guide rods. In the process that the two sliding blocks 95 move close to or away from each other, the guide rods play a guiding role on the sliding blocks 95, and the moving stability of the sliding blocks 95 is improved.

[0051] Specifically, the elastic pulling piece 57 can be a tension spring, and the elastic piece 58 can be a spring. The spring is sleeved outside the guide rod, the guide rod plays a guiding and positioning role on the spring, the working stability of the spring is improved, and the spring is convenient to disassemble and assemble.

[0052] In the embodiment, the spinning assembly joint device 7 comprises a joint supply mechanism 64 arranged on the machine table 1, a joint receiving base 65 arranged at the discharging end of the joint supply mechanism 64, a lifting mechanism 66 arranged on the machine table 1 and used for lifting the joint received by the joint receiving base 65, a third shaft supporting rod mechanism 67 arranged on one side of the joint receiving base 65 and located at the periphery of the rotating disc 2, a feeding and discharging manipulator 68 arranged on the machine table 1, and a picking spinning assembly mechanism 69 arranged at the output end of the feeding and discharging manipulator 68. The picking spinning assembly mechanism 69 is movably arranged above the joint receiving base 65 and the carrier 3.

[0053] In actual application, when the shaft supported by the carrier 3 rotates to the spinning assembly joint device 7, the third shaft supporting rod mechanism 67 supports the rod part of the shaft supported by the carrier 3, at the same time, the joint supply mechanism 64 supplies the joint to the joint receiving base 65, the lifting mechanism 66 lifts the joint on the joint receiving base 65, and the feeding and discharging manipulator 68 drives the picking spinning assembly mechanism 69 to move above the joint receiving base 65 and pick up the joint, then drives the picking spinning assembly mechanism 69 to move to the top end of the rod part of the shaft together with the joint, and the picking spinning assembly mechanism 69 spins and assembles the joint on the flat part at the top end of the rod part of the shaft, so as to realize the automatic spinning assembly of the joint.

[0054] In the embodiment, the picking spinning assembly mechanism 69 comprises a pressing driver 70 arranged at the output end of the feeding and discharging manipulator 68, and a rotary jaw cylinder 71 arranged at the pressing end of the pressing driver 70. The rotary part of the rotary jaw cylinder 71 is arranged with a fixing ring 72, the fixing ring 72 is provided with a pressing block 73, and the pressing block 73 is located in the space formed by the two jaws of the rotary jaw cylinder 71.

[0055] In practical application, the upper and lower material mechanical arm 68 drives the pickup spinning assembly mechanism 69 to move to the upper side of the joint seat 65 first, at this time the top surface of the joint is in contact with the pressing block 73, and the joint is located between the two clamping jaws of the rotary clamping cylinder 71, then the two clamping jaws of the rotary clamping cylinder 71 are gathered and the joint is clamped, then the upper and lower material mechanical arm 68 drives the pickup spinning assembly mechanism 69 to move to the top end of the shaft rod, the belly belt rotary clamping cylinder 71 is driven downward by the downward driver 70, at the same time the rotary clamping end of the rotary clamping cylinder 71 drives the fixed ring 72 and the two clamping jaws to rotate synchronously, so as to spin and assemble the joint on the flat position at the top end of the shaft rod. The joint is assembled by spinning and assembling, which can be smoothly and stably assembled, and the joint is easier to assemble.

[0056] Specifically, the joint supply mechanism 64 includes a joint supply vibration disc 74 installed on the machine table 1, a joint track 75 connected with the outlet of the joint supply vibration disc 74, and a joint linear vibration feeder 76 installed on the machine table 1 and in contact with the bottom surface of the joint track 75; the joint receiving seat 65 is provided with a joint receiving groove 77 in communication with the outlet of the joint track 75, and the lifting mechanism 66 includes a lifting cylinder installed on the machine table 1 and a lifting rod installed on the piston rod of the lifting cylinder, the lifting rod is correspondingly arranged below the joint receiving groove 77, and the lifting cylinder can drive the lifting rod to extend into the joint receiving groove 77.

[0057] In practical application, the joint supply vibration disc 74 orderly transports the joint to the joint track 75, under the action of the joint linear vibration feeder 76, the joint moves along the joint track 75, and the joints in the joint track 75 move one by one into the joint receiving groove 77, when there is a joint in the joint receiving groove 77, the lifting cylinder drives the lifting rod to rise, and the rising lifting rod lifts the joint to facilitate the pickup spinning assembly mechanism 69 to pick up the joint.

[0058] In the embodiment, the fixed-length assembly joint device 8 comprises a fixed-length assembly rack 78 arranged on the machine table 1, a support plate 79 arranged at the middle of the fixed-length assembly rack 78, a fixed-length assembly bottom die 80 arranged on the support plate 79, a discharging track 81 arranged on the fixed-length assembly rack 78 or the machine table 1 and located at one side of the support plate 79, a fixed-length assembly driver 82 arranged on the top of the fixed-length assembly rack 78, a fixed-length assembly pressing head 83 arranged on the driving end of the fixed-length assembly driver 82 and corresponding to the fixed-length assembly bottom die 80, a discharging driver 84 arranged on the support plate 79, a clamping driver 85 arranged on the driving end of the discharging driver 84, and two clamping blocks 86 respectively arranged on the two clamping ends of the clamping driver 85, the clamping driver 85 is used to drive the two clamping blocks 86 to move close to or away from each other, the discharging driver 84 is used to drive the clamping driver 85 and the two clamping blocks 86 to move reciprocally between the fixed-length assembly bottom die 80 and the top of the discharging track 81, the middle of the two clamping blocks 86 is provided with an opening avoiding groove 87, the opening avoiding groove 87 is used for the feeding end of the fixed-length assembly feeding device 9 to move in or out, and the fixed-length assembly driver 82 is used to drive the fixed-length assembly pressing head 83 to move close to or away from the fixed-length assembly bottom die 80.

[0059] In actual application, when the shaft pole assembled with the joint by spinning is rotated to the fixed-length assembly joint device 8, the fixed-length assembly feeding device 9 picks up the middle position of the shaft pole assembled with the joint by spinning, the feeding end of the fixed-length assembly feeding device 9 moves into the opening avoiding groove 87, moves the shaft pole assembled with the joint by spinning between the two clamping blocks 86, and the fixed-length assembly bottom die 80 is located below the head of the shaft pole and abuts against the head of the shaft pole, then the clamping driver 85 drives the two clamping blocks 86 to move close to each other, so that the two clamping blocks 86 clampingly support the shaft pole, then the fixed-length assembly driver 82 drives the fixed-length assembly pressing head 83 to descend by a preset distance, so that the fixed-length assembly pressing head 83 assembles the joint on the preset position of the shaft pole, to ensure the position accuracy and stability of the joint assembled on the shaft pole, when the joint is fixed-length assembled, the feeding end of the fixed-length assembly feeding device 9 moves out of the opening avoiding groove 87, the discharging driver 84 drives the clamping driver 85 and the electric toothbrush shaft core to move horizontally to the below of the discharging track 81, and finally the clamping driver 45 drives the two clamping blocks 86 to move away from each other to release the electric toothbrush shaft core, so that the electric toothbrush shaft core falls on the discharging track 81, to realize the discharging and output of the electric toothbrush shaft core.

[0060] Specifically, the clamping block 86 is sequentially provided with a joint supporting groove 88 and a shaft pole supporting groove 89 from top to bottom, the joint supporting groove 88 and the shaft pole supporting groove 89 are coaxially arranged, and the joint supporting groove 88 and the shaft pole supporting groove 89 are respectively located on the upper and lower sides of the opening avoiding groove 87.

[0061] In actual application, when the two clamping blocks 86 clamp the support shaft, the middle position of the shaft is clamped in the support shaft groove 89, and the joint assembled by spinning is located in the support joint groove 88. When the fixed-length assembly pressing head 83 presses the joint, the joint can move downward relative to the support joint groove 88 to be assembled in place.

[0062] Specifically, the fixed-length assembly bottom die 80 is provided with a plurality of steps 90 in a stepped manner from top to bottom, the number of the support joint grooves 88 and the number of the support shaft grooves 89 are both multiple, and the multiple steps 90, the multiple support joint grooves 88 and the multiple support shaft grooves 89 are respectively one-to-one corresponding. According to different length specifications of the shaft, the fixed-length assembly feeding device 9 picks up the shaft to different positions of the steps 90 to meet the production of multiple length specifications of the electric toothbrush shaft core by one machine.

[0063] In the embodiment, the electric toothbrush shaft core assembly machine further comprises a second shaft sensor 91 arranged on the machine table 1 and located between the shaft feeding device 4 and the sleeving shaft sleeve device 5, a shaft sleeve sensor 92 arranged on the machine table 1 and located between the sleeving shaft sleeve device 5 and the flattening device 6, and a fourth support shaft mechanism 93 arranged on the machine table 1 and located between the spinning assembly joint device 7 and the fixed-length assembly joint device 8. The main body of the fourth support shaft mechanism 93 is provided with a joint sensor 94, and the second shaft sensor 91, the shaft sleeve sensor 92 and the fourth support shaft mechanism 93 are all distributed on the periphery of the turntable 2.

[0064] In actual application, the second shaft sensor 91 senses the shaft. When the second shaft sensor 91 detects the shaft, it proves that the shaft feeding device 4 successfully feeds the shaft, that is, the carrier 3 carries the shaft. When the second shaft sensor 91 does not detect the shaft, it proves that the shaft feeding device 4 fails to feed the shaft. At this time, the second shaft sensor 91 feeds back a signal to the control system of the machine, so that the machine alarms to remind the staff to maintain the machine.

[0065] The shaft sleeve sensor 92 senses the shaft sleeve on the shaft. When the shaft sleeve sensor 92 senses the shaft sleeve, it proves that the shaft sleeve assembly is successful. When the shaft sleeve sensor 92 does not detect the shaft sleeve, it proves that the shaft sleeve assembly fails. At this time, the shaft sleeve sensor 92 feeds back a signal to the control system of the machine, so that the machine alarms to remind the staff to maintain the machine.

[0066] When the shaft moves to the fourth support shaft mechanism 93, the fourth support shaft mechanism 93 supports the shaft. The joint sensor 94 senses the joint on the shaft. When the joint sensor 94 senses the joint, it proves that the spinning assembly joint is successful. When the joint sensor 94 does not detect the joint, it proves that the spinning assembly joint fails. At this time, the joint sensor 94 feeds back a signal to the control system of the machine, so that the machine alarms to remind the staff to maintain the machine.

[0067] Specifically, the structure of the second support shaft rod mechanism 55, the structure of the third support shaft rod mechanism 67 and the structure of the fourth support shaft rod mechanism 93 are all the same as the structure of the first support shaft rod mechanism 43, and will not be repeated here.

[0068] All the technical features in the embodiment can be freely combined according to actual needs.

[0069] The above embodiment is a preferred implementation scheme of the present application, in addition to this, the present application can be realized in other ways, and any obvious replacement without departing from the technical scheme concept is within the protection scope of the present application.

Claims

1. An automatic assembly device for electric toothbrush shaft cores, characterized in that: The utility model provides a kind of automatic shaft sleeve assembly machine, including machine table (1), the rotary drive mechanism of being installed on machine table (1), rotary table (2) of being installed on the rotary end of rotary drive mechanism, multiple carriers (3) of being installed in annular array on rotary table (2) and respectively being installed on machine table (1) and sequentially distributing on the circumferential side of rotary table (2) shaft rod feeding device (4), sleeve sleeve device (5), flattening position device (6), spinning assembly joint device (7) and fixed length assembly joint device (8), machine table (1) is installed with fixed length assembly feeding device (9), shaft rod feeding device (4) is used to feed shaft rod to carrier (3), sleeve sleeve device (5) is used to sleeve sleeve on shaft rod, flattening position device (6) is used to press and form flattening position at the top end of shaft rod, spinning assembly joint device (7) is used to spin and assemble joint at the flattening position of shaft rod, fixed length assembly joint device (8) is used to fixed length assembly joint on shaft rod, and fixed length assembly feeding device (9) is used to transfer the shaft rod carried by carrier (3) and assembled with joint to fixed length assembly joint device (8).

2. The automatic assembling equipment for the shaft core of an electric toothbrush according to claim 1, characterized in that: Shaft rod feeding device (4) includes shaft rod supply mechanism (10), shaft rod transfer mechanism (11) being arranged at the discharge end of shaft rod supply mechanism (10) and turnover feeding mechanism (12) being correspondingly arranged with shaft rod transfer mechanism (11), shaft rod supply mechanism (10) is used to supply shaft rod to shaft rod transfer mechanism (11), shaft rod transfer mechanism (11) is used to transfer shaft rod to turnover feeding mechanism (12), and turnover feeding mechanism (12) is used to feed shaft rod after 180 ° turnover to carrier (3).

3. The automatic assembling equipment for the shaft core of the electric toothbrush according to claim 2, characterized in that: Shaft rod transfer mechanism (11) includes transfer frame (16) being installed on machine table (1), shaft rod receiving seat (17) being movably arranged at the discharge end of shaft rod supply mechanism (10), shaft rod receiving driver (18) being installed on transfer frame (16) and being used to drive shaft rod receiving seat (17) to be close to or away from turnover feeding mechanism (12), material supporting block (19) being movably arranged at the discharge end of shaft rod supply mechanism (10) and being oppositely arranged with shaft rod receiving seat (17), and material supporting driver (20) being installed on transfer frame (16) and being used to drive material supporting block (19) to be close to or away from shaft rod receiving seat (17), shaft rod receiving seat (17) is provided with open shaft rod slot (21) for being connected with the discharge end of shaft rod supply mechanism (10), and material supporting block (19) can be inserted into open shaft rod slot (21).

4. The automatic assembling equipment for the shaft core of an electric toothbrush according to claim 1, characterized in that: The sleeve shaft device (5) comprises a sleeve vibration disc (28) arranged on the machine table (1), a sleeve shaft frame (29) arranged on the machine table (1), a seat body (30) arranged on the sleeve shaft frame (29), a supporting seat (31) arranged on one end of the seat body (30) away from the sleeve shaft frame (29), a pressing sleeve driver (32) arranged on the supporting seat (31), a pressing rod (33) arranged on the driving end of the pressing sleeve driver (32), a sleeve shaft connecting driver (34) arranged on the sleeve shaft frame (29), and a sleeve shaft connecting block (35) arranged on the driving end of the sleeve shaft connecting driver (34). The middle part of the seat body (30) is horizontally provided with a sliding groove (36), the sleeve shaft connecting block (35) is slidingly arranged in the sliding groove (36), the sleeve shaft connecting block (35) is provided with a sleeve shaft connecting hole (37), the top surface of one end of the seat body (30) is recessed with a feeding hole (38) in communication with the sliding groove (36), the other end of the seat body (30) is recessed with a notch (39) in communication with the sliding groove (36), the pressing rod (33) is correspondingly arranged with the notch (39), the bottom wall of the end of the sliding groove (36) away from the feeding hole (38) is provided with a discharging hole (40), the sleeve shaft connecting hole (37) is used for connecting the feeding hole (38) or the discharging hole (40), the feeding hole (38) is communicated with the discharging port of the sleeve vibration disc (28) through a material pipe (41), the pressing sleeve driver (32) is used for driving the pressing rod (33) to ascend and descend, the sleeve shaft connecting driver (34) is used for driving the sleeve shaft connecting block (35) to move horizontally along the sliding groove (36), and the pressing rod (33) can penetrate through the sleeve shaft connecting hole (37) and the discharging hole (40).

5. The automatic assembly equipment for the shaft core of the electric toothbrush according to claim 4, characterized in that: The sleeve shaft device (5) further comprises a first shaft supporting rod mechanism (43) arranged on the sleeve shaft frame (29) and located below the seat body (30), and a first shaft rod sensor (44) arranged on the main body of the first shaft supporting rod mechanism (43), the first shaft rod sensor (44) is electrically connected with the pressing sleeve driver (32).

6. The automatic assembly equipment for the shaft core of an electric toothbrush according to claim 1, characterized in that: The flattening position device (6) comprises a flattening position frame (49), a flattening position lifting seat (50) slidably connected to the flattening position frame (49), a flattening position lifting driving mechanism (51) arranged on the flattening position frame (49) and used for driving the flattening position lifting seat (50) to lift, a flattening position lifting block (52) slidably connected to the flattening position lifting seat (50), a flattening position lifting driver (53) arranged on the flattening position lifting seat (50) and used for driving the flattening position lifting block (52) to lift, a flattening position assembly (54) arranged below the flattening position lifting block (52), and a second support shaft mechanism (55) arranged on the bottom of the flattening position lifting seat (50) and below the flattening position assembly (54). The flattening position assembly (54) comprises a fixed seat (56), an elastic pulling piece (57), an elastic piece (58), two symmetrical swing arms (59), two symmetrical sliding blocks (95) and two symmetrical pressing knives (60). Two driving inclined surfaces (61) are symmetrically arranged on the bottom of the flattening position lifting block (52). Two rotating cavities (62) are arranged on the two sides of the fixed seat (56), and the two rotating cavities (62) are correspondingly arranged with the two swing arms (59). The middle part of the swing arm (59) is rotatably connected with the two opposite side walls of the rotating cavity (62). The middle upper part of the two swing arms (59) is elastically connected through the elastic pulling piece (57). The top end of the two swing arms (59) respectively abuts against the two driving inclined surfaces (61). The two sliding blocks (95) are horizontally slidably connected to the bottom of the fixed seat (56). The two sliding blocks (95) are located between the bottom ends of the two swing arms (59). The bottom ends of the two swing arms (59) are used for abutting against the two sliding blocks (95) respectively. The two pressing knives (60) are arranged on the two sliding blocks (95) respectively. The elastic piece (58) is clamped between the two sliding blocks (95).

7. The automatic assembly equipment for the shaft core of an electric toothbrush according to claim 1, characterized in that: The spinning assembly joint device (7) comprises a joint mechanism (64) arranged on the machine table (1), a joint seat (65) arranged at the discharging end of the joint mechanism (64), a lifting mechanism (66) arranged on the machine table (1) and used for lifting the joint received by the joint seat (65), a third support shaft mechanism (67) arranged on one side of the joint seat (65) and located on the periphery of the rotating disc (2), an up-down feeding manipulator (68) arranged on the machine table (1), and a picking spinning assembly mechanism (69) arranged on the output end of the up-down feeding manipulator (68). The picking spinning assembly mechanism (69) is movably arranged above the joint seat (65) and the carrier (3).

8. The automatic assembly equipment for the shaft core of an electric toothbrush according to claim 7, characterized in that: The picking spinning assembly mechanism (69) comprises a pressing driver (70) arranged on the output end of the up-down feeding manipulator (68) and a rotary jaw cylinder (71) arranged on the pressing end of the pressing driver (70). The rotary part of the rotary jaw cylinder (71) is provided with a fixed ring (72). The fixed ring (72) is provided with a pressing block (73). The pressing block (73) is located in the space formed by the two jaws of the rotary jaw cylinder (71).

9. The automatic assembly equipment for the shaft core of an electric toothbrush according to claim 1, characterized in that: The fixed-length assembly joint device (8) comprises a fixed-length assembly rack (78) arranged on the machine table (1), a support plate (79) arranged at the middle part of the fixed-length assembly rack (78), a fixed-length assembly bottom die (80) arranged on the support plate (79), a feeding track (81) arranged on the fixed-length assembly rack (78) or the machine table (1) and located at one side of the support plate (79), a fixed-length assembly driver (82) arranged at the top of the fixed-length assembly rack (78), a fixed-length assembly pressing head (83) arranged at the driving end of the fixed-length assembly driver (82) and corresponding to the fixed-length assembly bottom die (80), a feeding driver (84) arranged on the support plate (79), a clamping driver (85) arranged at the driving end of the feeding driver (84), and two clamping blocks (86) respectively arranged at the two clamping ends of the clamping driver (85), the clamping driver (85) is used for driving the two clamping blocks (86) to move close to or away from each other, the feeding driver (84) is used for driving the clamping driver (85) and the two clamping blocks (86) to move reciprocatingly between the fixed-length assembly bottom die (80) and the upper part of the feeding track (81), the middle part of the two clamping blocks (86) is provided with an opening avoiding groove (87) for the feeding end of the fixed-length assembly feeding device (9) to move in or out, and the fixed-length assembly driver (82) is used for driving the fixed-length assembly pressing head (83) to move close to or away from the fixed-length assembly bottom die (80).

10. The automatic assembly equipment for the shaft core of an electric toothbrush according to claim 1, characterized in that: The electric toothbrush shaft core assembly machine further comprises a second shaft rod sensor (91) arranged on the machine table (1) and located between the shaft rod feeding device (4) and the sleeved shaft sleeve device (5), a shaft sleeve sensor (92) arranged on the machine table (1) and located between the sleeved shaft sleeve device (5) and the flattening position device (6), and a fourth shaft rod supporting mechanism (93) arranged on the machine table (1) and located between the rotary pressure assembly joint device (7) and the fixed-length assembly joint device (8), the main body of the fourth shaft rod supporting mechanism (93) is provided with a joint sensor (94), and the second shaft rod sensor (91), the shaft sleeve sensor (92) and the fourth shaft rod supporting mechanism (93) are distributed on the periphery of the turntable (2).

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