CN112471665A

CN112471665A - Intelligent safety helmet

Info

Publication number: CN112471665A
Application number: CN202011471601.2A
Authority: CN
Inventors: 储金武
Original assignee: Anhui Runhong Plastic Co ltd
Current assignee: Anhui Runhong Plastic Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-03-12

Abstract

The invention belongs to the technical field of intelligent manufacturing of safety protection tools, and particularly relates to an intelligent safety helmet which comprises a helmet shell, a top-wearing piece, side hoops, a cushion pad and a lower jaw belt, wherein the side hoops are arranged at the edge of the inner side of the helmet shell, the top-wearing piece is connected with the side hoops, the cushion pad is positioned in the center of the top-wearing piece, two ends of the lower jaw belt are connected with the side hoops, and a pull belt and a tightener for adjusting the tightness of the side hoops are arranged on the rear sides of the side hoops; the top is worn and is equipped with first pressure sensor, and the side hoop is equipped with second pressure sensor, the ware that contracts is driven by servo motor, and first pressure sensor, second pressure sensor and servo motor all are connected with the control module electricity. The safety helmet is worn on the head or not by the sensor, the control module automatically controls the tightener to be tightened to the preset tightness when the safety helmet is worn on the head, the tightness does not need to be adjusted manually, the safety helmet is worn quickly, and the working efficiency is improved.

Description

Intelligent safety helmet

Technical Field

The invention belongs to the technical field of intelligent manufacturing of safety protection appliances, and particularly relates to an intelligent safety helmet.

Background

The safety helmet is also called a safety helmet, is indispensable safety protection equipment in the fields of industrial production, building construction and the like, the tightness of the conventional safety helmet is generally manually adjusted, the conventional safety helmet is inconvenient to wear on the head for adjustment due to the fact that the adjusting device is positioned at the rear side of the safety helmet, the conventional safety helmet is adjusted to have satisfactory tightness after being taken off for adjustment, the adjusting process is relatively complicated, in addition, the conventional safety helmet is mostly assembled manually during production, the production efficiency is low, the production efficiency is seriously influenced, and the requirement of mass rapid production is difficult to meet.

Disclosure of Invention

The invention aims to provide an intelligent safety helmet which can automatically tighten and loosen a side hoop and is more efficient to wear.

The technical scheme adopted by the invention is as follows:

an intelligent safety helmet comprises a helmet shell, a top wearing piece, side hoops, a cushion pad and a lower jaw belt, wherein the side hoops are installed at the edge of the inner side of the helmet shell, the top wearing piece is connected with the side hoops, the cushion pad is positioned in the center of the top wearing piece, two ends of the lower jaw belt are connected with the side hoops, and a pull belt and a tightener for adjusting the tightness of the side hoops are arranged on the rear sides of the side hoops; the top wear is provided with a first pressure sensor, the side hoop is provided with a second pressure sensor, the tightener is driven by a servo motor, the first pressure sensor, the second pressure sensor and the servo motor are all electrically connected with the control module, the control module controls the servo motor to tighten the drawstring when the first pressure sensor detects head pressure, and the control module controls the servo motor to stop rotating when the pressure detected by the second pressure sensor reaches a preset value; when the detection pressure of the first pressure sensor disappears, the control module controls the servo motor to release the pull belt; the power supply module is used for supplying power to the first pressure sensor, the second pressure sensor, the servo motor and the control module; the tightener comprises an inner half shell and an outer half shell, the inner half shell comprises an arc-shaped bottom wall and two side walls, the two arc-shaped edges of the arc-shaped bottom wall are convexly arranged towards one side of an outer arc surface, arc-shaped grooves are formed in the inner sides of the two side walls, a fixed shaft is arranged in the center of the outer arc surface of the arc-shaped bottom wall, two ends of each of the two side walls are provided with transverse blocking rods connected with the two side walls, and buckles are arranged on the outer sides; the outer half shell comprises an arc plate clamped with the inner half shell, two ends of the arc plate are inserted between the cross bar and the arc bottom wall, the middle part of the arc plate is provided with lugs which are convexly arranged towards the outer sides of two side walls of the inner half shell, the lugs are provided with clamping grooves matched with the buckles, the servo motor is positioned in the center of the arc plate, a gear is arranged between the outer half shell and the inner half shell, the gear is sleeved on the fixed shaft and is provided with a square shaft, and the center of a rotating shaft of the servo motor is provided with a square hole matched with the square shaft; the side hoop comprises a strip body and pull belts arranged at two ends of the strip body, the pull belts and the strip body form an included angle, waist-shaped holes are formed in the pull belts, one straight edge of each waist-shaped hole is provided with a rack tooth, and one end of each waist-shaped hole is provided with a notch part penetrating through the end part of each pull belt;

the side hoop and the tightener are assembled by the following method:

step 1: mounting the inner half shell on a positioning mechanism;

step 2: pulling belts at two ends of the side hoop penetrate between the arc-shaped grooves at two sides of the inner half shell;

and step 3: mounting the gear on the fixed shaft and meshing the gear with the rack teeth;

and 4, step 4: pressing the outer half shell on the inner half shell, and inserting a square hole on a rotating shaft of the servo motor and a square shaft on the gear;

and 5: and (4) taking down the assembly of the tightener and the side hoop from the positioning mechanism, and completing the assembly.

In the step 1, a feeding mechanism is adopted to install the inner half shell on a positioning mechanism; the feed mechanism includes arch vibration tank and feeding manipulator, half shell arranges in proper order in the arch vibration tank, feeding manipulator is used for snatching half shell in the arch vibration tank and shifts to positioning mechanism on.

In the step 2, a side hoop assembling device is adopted to penetrate the side hoop into the arc-shaped grooves on the two sides of the inner half shell; the side hoop assembling device comprises a shaping mechanism and a threading mechanism, wherein the shaping mechanism is assembled to bend a straight side hoop into a U shape and enable pull belts at two ends of the side hoop to point upwards along the vertical direction; the threading mechanism is positioned above the shaping mechanism and is assembled to thread the two drawstrings of the shaped side hoop into the tightener; the shaping mechanism comprises a conveying unit, a bending unit and a transferring and overturning unit; the conveying unit is used for conveying the side hoops in the straight state to the bending unit, the bending unit is located on a conveying path of the conveying unit and used for bending the side hoops in the straight state into a U shape, the transferring and overturning unit is located beside the bending unit and used for moving the bent side hoops out of the bending unit and overturning the side hoops into a state that the two drawstrings are vertically upwards; the conveying unit comprises two horizontal conveying belts which are arranged in parallel at intervals, two ends of a side hoop in a straight state are respectively lapped on the two horizontal conveying belts, and the middle part of the side hoop is suspended between the two horizontal conveying belts; the bending unit is arranged between the two horizontal conveying belts; the bending unit comprises a bending die with a U-shaped outer wall; the arc section of the U-shaped outer wall is positioned at the lower end of the bending die, a clamping block matched with the arc section of the U-shaped outer wall is arranged below the bending die, the clamping block is movably arranged along the vertical direction, and an arc groove matched with the arc section of the U-shaped outer wall is arranged on the top surface of the clamping block; two shaping rollers are arranged on two sides of the clamping block and movably arranged along the vertical direction; the first elastic unit is assembled to enable the elastic force of the first elastic unit to drive the two shaping rollers to be close to each other; the two shaping rollers are mutually symmetrical and form rolling fit with the U-shaped outer wall of the bending die; the clamping blocks and the shaping roller are both arranged on a lifting support, the lifting support is arranged on a rack in a reciprocating motion manner along the vertical direction, and the rack is provided with a first driving element for driving the lifting support to lift; the clamping block is movably connected with the lifting support along the vertical direction, a second elastic unit is arranged between the clamping block and the lifting support, and the second elastic unit is assembled to enable the elastic force of the second elastic unit to drive the clamping block to move upwards relative to the lifting support; the shaping roller is rotatably arranged on a swing arm, and the swing arm is pivoted with the lifting support; the first elastic unit is a tension spring arranged between the two swing arms; the transfer overturning unit comprises two clamps, the two clamps are respectively arranged corresponding to the two pull belts of the bent side hoop, the two clamps are arranged on a turning plate, the turning plate is rotatably arranged on a first push block movably arranged along the horizontal direction, the turning plate is assembled to have two stations in an inclined state and a horizontal state, and when the two clamps clamp the two pull belts of the side hoop on the bending unit in the inclined state of the turning plate, the turning plate is overturned to the horizontal state, so that the two pull belts can be just overturned to a vertical posture; a third elastic unit is arranged between the turning plate and the first push block, the third elastic unit is assembled into a structure that the elastic force of the third elastic unit can drive the turning plate in a horizontal state to turn towards an inclined state, a baffle plate which is blocked and connected with the turning plate is arranged on the movable path of the first push block, and when the first push block moves towards the direction far away from the bending unit, the baffle plate can extrude the turning plate and push the turning plate to the horizontal state; the threading mechanism comprises a second push block which reciprocates along the vertical direction; the transfer overturning unit is arranged on the second pushing block.

In the step 3, assembling the gear by adopting a gear mounting device; gear assembly device includes first vibratory feed groove, divides the material carousel and transports the manipulator, divide the material carousel to rotate along vertical axis and set up, divide the edge of material carousel to be equipped with U type breach, be equipped with on the lateral wall of U type breach with the gear side profile assorted recess of tightener that contracts, divide the fixed bounding wall that is provided with in the global outside of material carousel, be equipped with feed inlet and discharge gate on the bounding wall, the feed inlet meets with first vibratory feed groove, transport the manipulator and be used for shifting the gear from the discharge gate and install on the fixed axle of the interior half shell of side hoop equipment station.

In the step 4, a tightener assembling device is adopted to press fit the outer half shell; the assembly device of the tightener comprises a feeding mechanism and a press-fitting mechanical hand, wherein the feeding mechanism is used for storing an outer half shell, and the press-fitting mechanical hand is used for transferring and press-fitting the outer half shell on the feeding mechanism onto an inner half shell of a press-fitting station of the tightener; the feeding mechanism comprises an arched conveying groove, a direction adjusting mechanism for adjusting the angle of the square hole of the rotating shaft is arranged on the arched conveying groove, and the direction adjusting mechanism is used for adjusting the square hole of the rotating shaft of the outer half shell to a preset angle; the direction adjusting mechanism comprises a square rotating shaft which is vertically arranged, the square rotating shaft is synchronously and rotatably connected with a main shaft of the direction adjusting motor, the square rotating shaft and the main shaft of the direction adjusting motor form sliding fit along the axis direction, an eighth elastic unit is arranged between the square rotating shaft and the main shaft of the direction adjusting motor, the eighth elastic unit is assembled into a square hole of which the elastic force can drive the square rotating shaft to be inserted into the outer half shell rotating shaft, and the main shaft of the direction adjusting motor is arranged in a telescopic manner along the axis direction; the direction adjusting mechanism further comprises a material pressing frame which is arranged above the arched conveying groove and used for preventing the outer half shell from lifting.

The press-mounting manipulator comprises a sliding seat and a clamping jaw, wherein the sliding seat is arranged in a sliding mode in the horizontal direction, the clamping jaw is arranged on the sliding seat in a reciprocating mode in the vertical direction, the clamping jaw is used for clamping a driving mechanism at the center of an outer half shell, a blocking frame is further arranged on the sliding seat, the blocking frame is blocked with two ends of an arc plate of the outer half shell, and when the clamping jaw grabs the outer half shell and is lifted upwards, the blocking frame can extrude the two ends of the arc plate to enable the two ends of the arc plate to bend; the blocking frame is movably connected with the sliding seat along the vertical direction, a seventh elastic unit is arranged between the blocking frame and the sliding seat, the seventh elastic unit is assembled into a structure that the elastic force of the seventh elastic unit can drive the blocking frame to move downwards, and a limiting part for limiting the downward limit position of the blocking frame is arranged between the blocking frame and the sliding seat; the blocking frame is blocked and connected with the top surface of the clamping jaw, the clamping jaw is provided with a first stroke and a second stroke from bottom to top, the clamping jaw is not contacted with the blocking frame when the clamping jaw moves in the first stroke, and the clamping jaw is abutted against the limiting frame when the clamping jaw moves in the second stroke.

The positioning mechanism comprises a positioning table, and an arched positioning groove matched with the shape of the inner half shell is arranged on the positioning table; the two ends of the positioning table are respectively provided with a guide block, the bottom of the guide block is provided with an arc-shaped guide surface, the upper end of the arc-shaped guide surface is connected with the top wall of the arc-shaped groove of the side wall of the inner half shell in the arc-shaped positioning groove, and when the positioning mechanism is positioned at the side hoop assembling station, the lower end of the arc-shaped guide surface is arranged opposite to the upper end of the pull belt in the vertical posture on the transfer turnover mechanism; when the second push block drives the side hoop to move upwards, the pull belt can penetrate into the arc-shaped grooves on the two side walls of the inner half shell along the arc-shaped guide surface; the two guide blocks are respectively opened and closed relative to the two ends of the positioning table along the horizontal direction; the fourth elastic unit is assembled to enable the elastic force of the fourth elastic unit to drive the guide block to be tightly abutted against the end face of the positioning table; still be equipped with the spacing convex part that sets up to the top protruding the applying of arch constant head tank both ends on the guide block, the base at half inner shell both ends is equipped with the chamfer, the upper end of spacing convex part is equipped with the slope guide face with chamfer matched with, and the in-process chamfer that half inner shell top-down inserted the arch constant head tank can pass two guide blocks to the location platform both ends outside through the slope guide face, and two guide blocks support tightly again with the location platform both ends under fourth elastic element's effect when half inner shell inserts the arch constant head tank completely, make spacing convex part press the top at half inner shell both ends.

The bottom of the arched positioning groove is provided with a top block, one side of the arched positioning groove is provided with a side push rod, the top block is movably arranged along the vertical direction, and the side push rod is movably arranged along the horizontal direction; a fifth elastic unit is arranged between the ejector block and the positioning table, the fifth elastic unit is assembled into a side sliding rod, the elastic force of the fifth elastic unit can drive the ejector block to move downwards, the side sliding rod is used for driving the ejector block to lift, a wedge driving surface is arranged on the side sliding rod, a wedge surface is arranged at the bottom of the ejector block, and the wedge driving surface is abutted to the wedge surface; the guide block is provided with a first wedge block; the side sliding rod and the side push rod are fixed on a sliding block, a second inclined wedge block is arranged on the sliding block, and a sixth elastic unit used for driving the sliding block to be away from the positioning table is arranged between the sliding block and the positioning table.

In the step 5, the assembly body of the tightener and the side hoop is taken down from the positioning mechanism by adopting a discharging mechanism; the discharging mechanism comprises a discharging drive plate movably arranged in the vertical direction, a first wedge-shaped drive block in interference fit with a first wedge block and a second wedge-shaped drive block in interference fit with a second wedge block are arranged on the discharging drive plate, when the discharging drive plate is downward, the first wedge-shaped drive block can drive the guide block to be separated from the positioning table, and the second wedge-shaped drive block can drive the ejection block to eject the inner half shell and drive the side push rod to push the inner half shell away from one side of the positioning table

The positioning mechanism is arranged on the transfer mechanism; the transfer mechanism is a rotary disc which is rotatably arranged along a vertical axis; four groups of positioning mechanisms are arranged at equal intervals along the circumferential direction of the rotary disc.

The invention has the technical effects that: the safety helmet is worn on the head or not by the sensor, the control module automatically controls the tightener to be tightened to the preset tightness when the safety helmet is worn on the head, the tightness does not need to be adjusted manually, the safety helmet is worn quickly, and the working efficiency is improved.

Drawings

FIG. 1 is a schematic structural diagram of an intelligent safety helmet provided by an embodiment of the invention;

FIG. 2 is an exploded view of a retractor according to an embodiment of the present invention;

FIG. 3 is a perspective view of a smart headgear assembly system provided by an embodiment of the present invention;

FIG. 4 is a top view of an intelligent headgear assembly system provided by an embodiment of the present invention;

FIG. 5 is a sectional view A-A of FIG. 4;

FIG. 6 is a cross-sectional view B-B of FIG. 4;

FIG. 7 is a perspective view of a positioning mechanism provided by an embodiment of the present invention;

FIG. 8 is a perspective view of a positioning mechanism discharge station provided by an embodiment of the present invention;

FIG. 9 is a top view of a positioning mechanism discharge station provided by an embodiment of the present invention;

FIG. 10 is a cross-sectional view E-E of FIG. 9;

FIG. 11 is a perspective view of a shaping mechanism provided by an embodiment of the present invention;

FIG. 12 is a perspective view of a threading mechanism provided by an embodiment of the present invention;

FIG. 13 is a perspective view of a tensioner assembly provided by an embodiment of the present invention;

FIG. 14 is a top view of a tensioner assembly provided by an embodiment of the present invention;

FIG. 15 is a cross-sectional view C-C of FIG. 14;

fig. 16 is a cross-sectional view taken along line D-D of fig. 14.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the following description is given in conjunction with the accompanying examples. It is to be understood that the following text is merely illustrative of one or more specific embodiments of the invention and does not strictly limit the scope of the invention as specifically claimed.

Example 1

As shown in fig. 3, an intelligent safety helmet assembling system includes a transferring mechanism 10, a positioning mechanism 70 is disposed on the transferring mechanism 10, and the positioning mechanism 70 is used for fixing a tightener of a safety helmet; as shown in fig. 2, the tightener includes an inner half shell 1 and an outer half shell 2, the inner half shell 1 includes an arc bottom wall 101 and two side walls 102 protruding towards one side of the arc bottom wall 101, arc grooves 103 are arranged on the inner sides of the two side walls 102, a fixed shaft 104 is arranged in the center of the arc side of the arc bottom wall 101, crosspieces 105 connecting the two side walls 102 are arranged at two ends of the two side walls 102, and buckles are arranged on the outer sides of the centers of the two side walls 102; the outer half shell 2 comprises an arc plate 201 clamped with the inner half shell 1, two ends of the arc plate 201 are inserted between the cross bar 105 and the arc bottom wall 101, a lug 203 which is convexly extended towards the outer sides of the two side walls 102 of the inner half shell 1 is arranged in the middle of the arc plate 201, a clamping groove matched with a buckle is arranged on the lug 203, a driving mechanism 203 is arranged in the center of the arc plate 201, a gear 3 is arranged between the outer half shell 2 and the inner half shell 1, the gear 3 is sleeved on the fixed shaft 104, a square shaft 301 is arranged on the gear 3, the driving mechanism 203 comprises a rotating shaft, and a square hole 204 matched with the square shaft 301 is arranged in the; as shown in fig. 4, a feeding station, a side hoop assembling station, a tightener assembling station and an unloading station are sequentially arranged on a transfer path of the transfer mechanism 10, the feeding station is provided with a feeding mechanism, and the feeding station is provided with a feeding mechanism 20 for mounting the inner half shell 1 on the positioning mechanism 70; the side hoop assembling station is provided with a side hoop assembling device 30 and a gear assembling device 40, and the side hoop assembling device 30 is used for inserting the pull belts 5 at two ends of the side hoop 4 between the arc-shaped grooves 103 of the two side walls 102 of the inner half shell 1; the side hoop 4 comprises a strip-shaped body and pull belts 5 arranged at two ends of the strip-shaped body, the pull belts 5 and the strip-shaped body are arranged at an included angle, waist-shaped holes are formed in the pull belts 5, one straight edge of each waist-shaped hole is provided with a rack, one end of each waist-shaped hole is provided with a notch part penetrating through the end part of each pull belt 5, and the notch parts are used for avoiding the fixed shaft 104 when inserting; the gear 3 assembling mechanism is used for sleeving the gear 3 on the fixing shaft 104 of the inner half shell 1 and meshing with the rack teeth on the pull belt 5; the tightener assembling station is provided with a tightener assembling device 50, and the tightener assembling device 50 is used for pressing the outer half shell 2 on the inner half shell 1; the discharge station is provided with a discharge mechanism for removing the assembled retractor and side band 4 from the positioning mechanism 70. According to the invention, the inner half shell 1 of the tightener is fixed on the positioning mechanism 70, the positioning mechanism 70 is driven to rotate among different stations by the transfer mechanism 10, a series of processes such as inserting of the side hoop 4, installation of the gear 3, press fitting of the outer half shell 2 and the like are sequentially realized, automatic assembly of the side hoop 4 component of the safety helmet is realized, the production efficiency is improved, and the production cost is reduced.

Preferably, as shown in fig. 3, the feeding mechanism 20 includes an arched vibration groove 21 and a feeding manipulator 22, the inner half shells 1 are sequentially arranged in the arched vibration groove 21, and the feeding manipulator 22 is used for grabbing the inner half shells 1 in the arched vibration groove 21 and transferring to the positioning mechanism 70. Feeding manipulator 22 installs on the lift cylinder, and the lift cylinder is installed on horizontal electric jar, has realized feeding manipulator 22's lift and translation action, and feeding manipulator 22 can select for use electronic or pneumatic clamp.

Preferably, as shown in fig. 3, 5, 11 and 12, the side hoop assembling device 30 includes a shaping mechanism and a threading mechanism, the shaping mechanism is configured to bend the straight side hoop 4 into a U shape and make the pull belt 5 at both ends of the side hoop 4 point upward in the vertical direction; the threading mechanism is positioned above the shaping mechanism and is assembled to thread the two pulling belts 5 of the shaped side hoop 4 into the tightener; the shaping mechanism comprises a conveying unit 31, a bending unit 32 and a transferring and overturning unit 33; the conveying unit 31 is used for conveying the side hoop 4 in a straight state to the bending unit 32, the bending unit 32 is located on a conveying path of the conveying unit 31, the bending unit 32 is used for bending the side hoop 4 in the straight state into a U shape, the transferring and overturning unit 33 is located beside the bending unit 32, and the transferring and overturning unit 33 is used for moving the bent side hoop 4 out of the bending unit 32 and overturning the side hoop 4 into a state that two pull belts 5 are vertically upward.

Specifically, the conveying unit 31 includes two horizontal conveying belts arranged in parallel at intervals, two ends of the side hoop 4 in a straight state are respectively lapped on the two horizontal conveying belts, and the middle part of the side hoop 4 is suspended between the two horizontal conveying belts; the bending unit 32 is disposed between the two horizontal conveyor belts.

Specifically, as shown in fig. 11, the bending unit 32 includes a bending die 321 having a U-shaped outer wall; the arc section of the U-shaped outer wall is positioned at the lower end of the bending die 321, a clamping block 322 matched with the arc section of the U-shaped outer wall is arranged below the bending die 321, the clamping block 322 is movably arranged along the vertical direction, and an arc-shaped groove 103 matched with the arc section of the U-shaped outer wall is arranged on the top surface of the clamping block 322; two shaping rollers 323 are arranged on two sides of the clamping block 322, and the two shaping rollers 323 are movably arranged along the vertical direction; further comprising a first elastic unit 326, the first elastic unit 326 being assembled such that its elastic force can urge the two shaping rollers 323 toward each other; the two shaping rollers 323 are mutually symmetrical and form rolling fit with the U-shaped outer wall of the bending die 321; the clamping block 322 and the shaping roller 323 are both mounted on a lifting support 324, the lifting support 324 is arranged on a rack in a reciprocating motion along the vertical direction, the rack is provided with a first driving element for driving the lifting support 324 to lift, and the first driving element can be an air cylinder or an electric cylinder; the clamping block 322 is movably connected with the lifting bracket 324 along the vertical direction, a second elastic unit 327 is arranged between the clamping block 322 and the lifting bracket 324, the second elastic unit 327 is assembled to enable the elastic force of the second elastic unit 327 to drive the clamping block 322 to move upwards relative to the lifting bracket 324, and the second elastic unit 327 can be a compressed spring or a tension spring; the shaping roller 323 is rotatably arranged on a swing arm 325, and the swing arm 325 is pivoted with the lifting bracket 324; the first elastic unit 326 is a tension spring disposed between the two swing arms 325. During shaping, the conveyor belt conveys the side hoop 4 to be aligned with the bending die 321, then the lifting bracket 324 ascends to enable the clamping block 322 to clamp the middle part of the side hoop 4 between the bending die 321 and the clamping block 322, the lifting bracket 324 continues to ascend, the clamping block 322 stops ascending due to the blocking of the bending die 321, the shaping roller 323 is pressed with the bottom of the bending die 321, and the two shaping rollers 323 are mutually unfolded along the side wall 102 of the bending die 321 along with the ascending of the lifting bracket 324 and tightly press the side hoop 4 on the side wall 102 of the bending die 321 to enable the side hoop 4 to be bent into a U shape.

Specifically, as shown in fig. 11 and 12, the transferring and turning unit 33 includes two clamps 331, the two clamps 331 are respectively disposed corresponding to the two pull tapes 5 of the bent side hoop 4, the two clamps 331 are mounted on a turning plate 332, the turning plate 332 is rotatably disposed on a first push block 333 movably disposed along the horizontal direction, the turning plate 332 is assembled to have two stations of an inclined state and a horizontal state, and when the two clamps 331 clamp the two pull tapes 5 of the side hoop 4 on the bending unit in the inclined state of the turning plate 332, the turning plate 332 is turned into the horizontal state, so that the two pull tapes 5 can be just turned into a vertical posture; a third elastic unit 334 is arranged between the turning plate 332 and the first pushing block 333, the third elastic unit 334 is assembled such that the elastic force of the third elastic unit can drive the turning plate 332 in the horizontal state to turn towards the inclined state, a baffle 335 blocked with the turning plate 332 is arranged on the moving path of the first pushing block 333, and when the first pushing block 333 moves towards the direction far away from the bending unit 32, the baffle 335 can extrude the turning plate 332 and extrude the turning plate 332 to the horizontal state; the threading mechanism includes a second push block 336 that reciprocates in the vertical direction; the transfer and turnover unit 33 is mounted on a second push block 336, and the second push block 336 is driven by a vertically arranged cylinder.

Preferably, as shown in fig. 3, the gear assembling device 40 includes a first vibration conveying trough 42, a material distributing turntable 41 and a transferring manipulator 44, the material distributing turntable 41 is rotatably disposed along a vertical axis, a U-shaped notch is disposed at an edge of the material distributing turntable 41, a groove matched with the profile of the gear 3 side of the tightener is disposed on a side wall 102 of the U-shaped notch, a surrounding plate 43 is fixedly disposed on the outer side of the circumferential surface of the material distributing turntable 41, a feeding hole and a discharging hole are disposed on the surrounding plate 43, the feeding hole is connected with the first vibration conveying trough 42, and the transferring manipulator 44 is used for transferring the gear 3 from the discharging hole and mounting the gear on a fixing shaft 104 of the inner half shell 1 of the side hoop 4 assembling. The transfer manipulator 44 is arranged on a lifting cylinder, the cylinder is arranged on a horizontal electric cylinder, so that the transfer manipulator 44 has two degrees of freedom of lifting and translation, the transfer manipulator 44 can select an electric clamp or a pneumatic clamp, and the corners of the square shafts 301 on the gears 3 are consistent when the gears 3 feed in the first vibration conveying groove 42 and are limited by the groove wall of the first vibration conveying groove 42.

Specifically, as shown in fig. 13, 14, 15 and 16, the tightener assembly device 50 comprises a feeding mechanism 51 and a pressing manipulator 52, wherein the feeding mechanism 51 is used for storing the outer half-shell 2, and the pressing manipulator 52 is used for transferring and pressing the outer half-shell 2 on the feeding mechanism 51 onto the inner half-shell 1 of the tightener pressing station; the feeding mechanism 51 comprises an arched conveying groove, a direction adjusting mechanism for adjusting the angle of the rotating shaft square hole 204 is arranged on the arched conveying groove, and the direction adjusting mechanism is used for adjusting the angle of the rotating shaft square hole 204 of the outer half shell 2 to a preset angle; as shown in fig. 15, the direction-adjusting mechanism includes a square rotating shaft 53 vertically disposed, the square rotating shaft 53 is connected with a main shaft 54 of a direction-adjusting motor 55 in a synchronous rotating manner, the square rotating shaft 53 forms a sliding fit with the main shaft 54 of the direction-adjusting motor 55 along an axial direction, an eighth elastic unit 56 is disposed between the square rotating shaft 53 and the main shaft 54 of the direction-adjusting motor 55, the eighth elastic unit 56 is assembled such that an elastic force thereof can drive the square rotating shaft 53 to be inserted into a square hole 204 of the rotating shaft of the outer half shell 2, the main shaft 54 of the direction-adjusting motor 55 is telescopically disposed along the axial direction, the direction-adjusting motor 55 is a device similar to a starting motor of an automobile engine, that is, a motor and an electromagnetic valve are combined into a whole, so that the main shaft 54 of the; the direction-adjusting mechanism also comprises a material pressing frame 511 which is arranged above the arched conveying groove and is used for preventing the outer half shell 2 from lifting. Since the angles of the square holes 204 on the rotating shaft of the half-finished outer shell 2 are inconsistent after the half-finished outer shell is machined, the square holes 204 cannot be smoothly sleeved on the square shaft 301 without adjusting the angles of the square holes 204. The direction adjusting mechanism of the invention has the direction adjusting working principle that: when the outer half shell 2 moves to the upper side of the square shaft, the main shaft 54 of the direction adjusting motor 55 is popped up, at this time, if the square shaft is not aligned with the square hole 204, the eighth elastic unit 56 is compressed, and along with the rotation of the main shaft 54 of the direction adjusting motor 55, the square rotating shaft 53 is gradually aligned with the square hole 204 and inserted into the square hole 204 under the action of the eighth elastic unit 56, and the direction of the rotating angle of the square holes 204 of all the outer half shells 2 can be ensured to be consistent each time the direction adjusting motor 55 stops at a fixed rotating angle.

Specifically, as shown in fig. 16, the press-fitting manipulator 52 includes a sliding base 521 arranged to slide in a horizontal direction, and a clamping jaw 522 arranged on the sliding base 521 to reciprocate in a vertical direction, where the clamping jaw 522 is used to clamp the driving mechanism 203 at the center of the outer half-shell 2, the sliding base 521 is further provided with a blocking frame 523, the blocking frame 523 blocks and connects with two ends of the arc plate 201 of the outer half-shell 2, and when the clamping jaw 522 grabs the outer half-shell 2 and is lifted upwards, the blocking frame 523 can press two ends of the arc plate 201 to bend and deform two ends of the arc plate 201 downwards; the blocking frame 523 is movably connected with the sliding seat 521 along the vertical direction, a seventh elastic unit 524 is arranged between the blocking frame 523 and the sliding seat 521, the seventh elastic unit 524 is assembled to enable the elastic force of the seventh elastic unit to drive the blocking frame 523 to move downwards, and a limiting part for limiting the downward limit position of the blocking frame 523 is arranged between the blocking frame 523 and the sliding seat 521; the blocking frame 523 is blocked with the top surface of the clamping jaw 522, the clamping jaw 522 has a first stroke and a second stroke from bottom to top, when the clamping jaw 522 moves in the first stroke, the clamping jaw 522 is not contacted with the blocking frame 523, and when the clamping jaw 522 moves in the second stroke, the clamping jaw 522 is abutted with the limiting frame. The pressure equipment manipulator 52 snatchs outer half shell 2 and can make arc plate 201 downwarping after passing, makes the distance between arc plate 201 both ends be less than the distance between two crosspiece poles 105 on the inner half shell 1, thereby ensure that arc plate 201 both ends can insert two crosspiece poles 105 below from between two crosspiece poles 105, cross crosspiece pole 105 back downwards at arc plate 201 both ends, only need drive clamping jaw 522 down until keep off the frame 523 and no longer produce the oppression arc plate 201 and just can the time arc plate 201 reset, thereby alternate into crosspiece pole 105 below.

Preferably, as shown in fig. 6 to 10, the positioning mechanism 70 includes a positioning table 71, and an arched positioning slot matched with the shape of the inner half shell 1 is formed on the positioning table 71; the two ends of the positioning table 71 are respectively provided with a guide block 72, the bottom of the guide block 72 is provided with an arc-shaped guide surface, the upper end of the arc-shaped guide surface is connected with the top wall of an arc-shaped groove 103 of the side wall 102 of the inner half shell 1 in the arc-shaped positioning groove, and when the positioning mechanism 70 is positioned at the assembling station of the side hoop 4, the lower end of the arc-shaped guide surface is opposite to the upper end of the pull belt 5 in the vertical posture on the transfer turnover mechanism; when the second push block 336 drives the side hoop 4 to move upwards, the pull belt 5 can penetrate into the arc-shaped grooves 103 of the two side walls 102 of the inner half shell 1 along the arc-shaped guide surfaces; the two guide blocks 72 are respectively opened and closed along the horizontal direction relative to the two ends of the positioning table 71; the positioning device further comprises a fourth elastic unit 73, wherein the fourth elastic unit 73 is assembled to enable the elastic force of the fourth elastic unit 73 to drive the guide block 72 to be abutted against the end face of the positioning table 71; the guiding block 72 is further provided with limiting convex parts 722 protruding and extending to the upper parts of the two ends of the arched positioning groove, the bottom edges of the two ends of the inner half shell 1 are provided with chamfers, the upper ends of the limiting convex parts 722 are provided with inclined guiding surfaces matched with the chamfers, the chamfers can push the two guiding blocks 72 to the outer sides of the two ends of the positioning table 71 through the inclined guiding surfaces in the process that the inner half shell 1 is inserted into the arched positioning groove from top to bottom, and the two guiding blocks 72 are tightly pressed against the two ends of the positioning table 71 again under the action of the fourth elastic unit 73 when the inner half shell 1 is completely inserted into the arched positioning groove, so that the limiting convex parts are pressed above the two.

Further, a top block 74 is arranged at the bottom of the arched positioning groove, a side push rod 76 is arranged on one side of the arched positioning groove, the top block 74 is movably arranged along the vertical direction, and the side push rod 76 is movably arranged along the horizontal direction; a fifth elastic unit 75 is arranged between the top block 74 and the positioning table 71, the fifth elastic unit 75 is assembled to enable the elastic force of the fifth elastic unit to drive the top block 74 to move downwards, the fifth elastic unit further comprises a side sliding rod 77 used for driving the top block 74 to lift, a wedge driving surface is arranged on the side sliding rod 77, a wedge surface is arranged at the bottom of the top block 74, and the wedge driving surface is abutted to the wedge surface; the guide block 72 is provided with a first wedge 721; the side sliding rod 77 and the side push rod 76 are both fixed on a sliding block, a second inclined wedge 79 is arranged on the sliding block, and a sixth elastic unit 78 for driving the sliding block to be far away from the positioning table 71 is arranged between the sliding block and the positioning table 71.

Preferably, as shown in fig. 3, the discharging mechanism includes a discharging drive plate 60 movably disposed in the vertical direction, a first wedge drive block 61 in interference fit with the first wedge 721 and a second wedge drive block 62 in interference fit with the second wedge 79 are disposed on the discharging drive plate 60, when the discharging drive plate 60 descends, the first wedge drive block 61 can drive the guide block 72 to separate from the positioning table 71, and the second wedge drive block 62 can drive the ejector block 74 to eject the inner half shell 1 and drive the side push rod 76 to push the inner half shell 1 away from the positioning table 71.

Preferably, the transfer mechanism 10 is a rotary disk, and the rotary disk is rotatably arranged along a vertical axis; four groups of positioning mechanisms 70 are arranged at equal intervals along the circumferential direction of the rotary disc, and the feeding station, the side hoop 4 assembling station, the tightener assembling station and the unloading station are arranged at equal angular intervals along the circumferential direction of the rotary disc and are respectively in one-to-one correspondence with the four groups of positioning mechanisms 70.

Example 2

As shown in fig. 1, an intelligent safety helmet comprises a helmet shell 6, a top wear 7, side hoops 4, a cushion pad 8 and a chin strap, wherein the side hoops 4 are installed at the inner side edge of the helmet shell 6, the top wear 7 is connected with the side hoops 4, the cushion pad 8 is positioned in the center of the top wear 7, two ends of the chin strap are connected with the side hoops 4, and a drawstring 5 and a tightener for adjusting the tightness of the side hoops 4 are arranged at the rear side of the side hoops 4; the top wear 7 is provided with a first pressure sensor 801, the side hoop 4 is provided with a second pressure sensor 401, the tightener is driven by a servo motor, the first pressure sensor 801, the second pressure sensor 401 and the servo motor are all electrically connected with a control module, the control module controls the servo motor to tighten the drawstring 5 when the first pressure sensor 801 detects head pressure, and the control module controls the servo motor to stop rotating when the pressure detected by the second pressure sensor 401 reaches a preset value; when the detection pressure of the first pressure sensor 801 disappears, the control module controls the servo motor to release the pull belt 5; the power supply module is used for supplying power to the first pressure sensor 801, the second pressure sensor 401, the servo motor and the control module; the tightener comprises an inner half shell 1 and an outer half shell 2, the inner half shell 1 comprises an arc-shaped bottom wall 101 and two side walls 102, two arc-shaped edges of the arc-shaped bottom wall 101 are convexly arranged towards one side of an outer arc surface, arc-shaped grooves 103 are arranged on the inner sides of the two side walls 102, a fixed shaft 104 is arranged in the center of the outer arc surface of the arc-shaped bottom wall 101, crosspieces 105 connected with the two side walls 102 are arranged at two ends of the two side walls 102, and buckles are arranged on the outer sides of the centers; the outer half shell 2 comprises an arc plate 201 clamped with the inner half shell 1, two ends of the arc plate 201 are inserted between the cross bar 105 and the arc bottom wall 101, a lug 203 which is convexly extended towards the outer sides of the two side walls 102 of the inner half shell 1 is arranged in the middle of the arc plate 201, a clamping groove matched with a buckle is arranged on the lug 203, the servo motor is positioned in the center of the arc plate 201, a gear 3 is arranged between the outer half shell 2 and the inner half shell 1, the gear 3 is sleeved on the fixed shaft 104, a square shaft 301 is arranged on the gear 3, and a square hole 204 matched with the square shaft 301 is arranged in the center of a rotating shaft of; the side hoop 4 comprises a strip-shaped body and pull belts 5 arranged at two ends of the strip-shaped body, the pull belts 5 and the strip-shaped body form an included angle, waist-shaped holes are formed in the pull belts 5, one straight edge of each waist-shaped hole is provided with a rack tooth, and one end of each waist-shaped hole is provided with a notch part penetrating through the end part of the pull belt 5;

the side hoop 4 and the tightener are assembled by adopting the following method:

step 1: mounting the inner half shell 1 on the positioning means 70 described in example 1;

step 2: the pull belts 5 at the two ends of the side hoop 4 are inserted between the arc-shaped grooves 103 at the two sides of the inner half shell 1;

and step 3: mounting the gear 3 on the fixed shaft 104 and engaging the gear 3 with the rack teeth;

and 4, step 4: pressing the outer half shell 2 on the inner half shell 1, and inserting the square hole 204 on the rotating shaft of the servo motor and the square shaft 301 on the gear 3;

and 5: the assembly of the retractor and the side band 4 is removed from the positioning mechanism 70 and the assembly is completed.

In the step 1, the inner half shell 1 is mounted on the positioning mechanism 70 by using the feeding mechanism 20 described in embodiment 1.

In the step 2, the side hoop assembly device 30 described in embodiment 1 is used to insert the side hoop 4 into the arc-shaped grooves 103 on both sides of the inner half shell 1.

In step 3, the gear 3 is assembled by using the gear 3 mounting apparatus described in embodiment 1.

In the step 4, the outer half shell 2 is press-fitted by using the tightener assembly device 50 described in embodiment 1;

in the step 5, the assembly of the tightener and the side band 4 is removed from the positioning mechanism 70 by using the discharging mechanism described in embodiment 1.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. The utility model provides an intelligent safety helmet which characterized in that: the novel hat comprises a hat shell (6), a top wear (7), side hoops (4), a cushion pad (8) and a lower jaw belt, wherein the side hoops (4) are arranged at the edge of the inner side of the hat shell (6), the top wear (7) is connected with the side hoops (4), the cushion pad (8) is positioned in the center of the top wear (7), two ends of the lower jaw belt are connected with the side hoops (4), and a drawstring (5) and a tightener for adjusting the tightness of the side hoops (4) are arranged on the rear side of the side hoops (4); the top wear (7) is provided with a first pressure sensor (801), the side hoop (4) is provided with a second pressure sensor (401), the tightener is driven by a servo motor, the first pressure sensor (801), the second pressure sensor (401) and the servo motor are all electrically connected with a control module, the control module controls the servo motor to tighten the drawstring (5) when the first pressure sensor (801) detects head pressure, and the control module controls the servo motor to stop rotating when the detection pressure of the second pressure sensor (401) reaches a preset value; when the detection pressure of the first pressure sensor (801) disappears, the control module controls the servo motor to release the pull belt (5); the power supply module is used for supplying power to the first pressure sensor (801), the second pressure sensor (401), the servo motor and the control module; the tightener comprises an inner half shell (1) and an outer half shell (2), wherein the inner half shell (1) comprises an arc-shaped bottom wall (101) and two side walls (102) which are convexly arranged towards one side of an outer arc surface on two arc-shaped sides of the arc-shaped bottom wall (101), arc-shaped grooves (103) are arranged on the inner sides of the two side walls (102), a fixed shaft (104) is arranged at the center of the outer arc surface of the arc-shaped bottom wall (101), cross rod members (105) connected with the two side walls (102) are arranged at the two ends of the two side walls (102), and buckles are arranged on the outer sides of the; the outer half shell (2) comprises an arc plate (201) clamped with the inner half shell (1), two ends of the arc plate (201) are inserted between the cross bar (105) and the arc bottom wall (101), the middle part of the arc plate (201) is provided with lugs (203) which are convexly arranged towards the outer sides of two side walls (102) of the inner half shell (1), the lugs (203) are provided with clamping grooves matched with the clamping buckles, the servo motor is positioned at the center of the arc plate (201), a gear (3) is arranged between the outer half shell (2) and the inner half shell (1), the gear (3) is sleeved on the fixed shaft (104), the gear (3) is provided with a square shaft (301), and the center of a rotating shaft of the servo motor is provided with a square hole (204) matched with the square shaft (301); the side hoop (4) comprises a strip-shaped body and pull belts (5) arranged at two ends of the strip-shaped body, the pull belts (5) and the strip-shaped body are arranged at an included angle, waist-shaped holes are formed in the pull belts (5), one straight edge of each waist-shaped hole is provided with a strip tooth, and one end of each waist-shaped hole is provided with a notch part penetrating through the end part of the pull belt (5);

the side hoop (4) and the tightener are assembled by adopting the following method:

step 1: mounting the inner half shell (1) on a positioning mechanism (70);

step 2: pull belts (5) at two ends of the side hoop (4) penetrate between the arc-shaped grooves (103) at two sides of the inner half shell (1);

and step 3: mounting the gear (3) on the fixed shaft (104) and meshing the gear (3) with the rack teeth;

and 4, step 4: pressing the outer half shell (2) on the inner half shell (1), and inserting a square hole (204) on a rotating shaft of the servo motor and a square shaft (301) on the gear (3);

and 5: and (3) removing the assembly of the tightener and the side hoop (4) from the positioning mechanism (70) and completing the assembly.

2. The intelligent safety helmet of claim 1, wherein: in the step 1, the inner half shell (1) is arranged on a positioning mechanism (70) by adopting a feeding mechanism (20); feed mechanism (20) are including arch vibration groove (21) and feeding manipulator (22), interior half shell (1) arranges in proper order in arch vibration groove (21), feeding manipulator (22) are used for snatching interior half shell (1) in arch vibration groove (21) and transfer to on positioning mechanism (70).

3. The intelligent safety helmet of claim 2, wherein: in the step 2, a side hoop assembling device (30) is adopted to penetrate the side hoop (4) into the arc-shaped grooves (103) on the two sides of the inner half shell (1); the side hoop assembling device (30) comprises a shaping mechanism and a threading mechanism, wherein the shaping mechanism is assembled to bend a straight side hoop (4) into a U shape and enable pull belts (5) at two ends of the side hoop (4) to point upwards along the vertical direction; the threading mechanism is positioned above the shaping mechanism and is assembled to thread the two drawstrings (5) of the shaped side hoop (4) into the tightener; the shaping mechanism comprises a conveying unit (31), a bending unit (32) and a transferring and overturning unit (33); the conveying unit (31) is used for conveying the side hoops (4) in the straight state to the bending unit (32), the bending unit (32) is located on a conveying path of the conveying unit (31), the bending unit (32) is used for bending the side hoops (4) in the straight state into a U shape, the transferring and overturning unit (33) is located on the side of the bending unit (32), and the transferring and overturning unit (33) is used for moving the bent side hoops (4) out of the bending unit (32) and overturning the side hoops (4) into a state that the two pull belts (5) are vertically upward; the conveying unit (31) comprises two horizontal conveying belts which are arranged in parallel at intervals, two ends of a side hoop (4) in a straight state are respectively lapped on the two horizontal conveying belts, and the middle part of the side hoop (4) is suspended between the two horizontal conveying belts; the bending unit (32) is arranged between the two horizontal conveying belts; the bending unit (32) comprises a bending die (321) with a U-shaped outer wall; the arc section of the U-shaped outer wall is positioned at the lower end of the bending die (321), a clamping block (322) matched with the arc section of the U-shaped outer wall is arranged below the bending die (321), the clamping block (322) is movably arranged along the vertical direction, and an arc-shaped groove (103) matched with the arc section of the U-shaped outer wall is arranged on the top surface of the clamping block (322); two shaping rollers (323) are arranged on two sides of the clamping block (322), and the two shaping rollers (323) are movably arranged along the vertical direction; further comprising a first elastic unit (326), the first elastic unit (326) being fitted so that its elastic force is capable of urging the two shaping rollers (323) towards each other; the two shaping rollers (323) are mutually symmetrical and form rolling fit with the U-shaped outer wall of the bending die (321); the clamping block (322) and the shaping roller (323) are both arranged on a lifting support (324), the lifting support (324) is arranged on a rack in a reciprocating motion manner along the vertical direction, and the rack is provided with a first driving element for driving the lifting support (324) to lift; the clamping block (322) is movably connected with the lifting support (324) along the vertical direction, a second elastic unit (327) is arranged between the clamping block (322) and the lifting support (324), and the second elastic unit (327) is assembled to enable the elastic force of the second elastic unit to drive the clamping block (322) to move upwards relative to the lifting support (324); the shaping roller (323) is rotatably arranged on a swing arm (325), and the swing arm (325) is pivoted with the lifting bracket (324); the first elastic unit (326) is a tension spring arranged between the two swing arms (325); the transfer and turnover unit (33) comprises two clamps (331), the two clamps (331) are respectively arranged corresponding to the two pull tapes (5) of the bent side hoop (4), the two clamps (331) are arranged on a turning plate (332), the turning plate (332) is rotatably arranged on a first push block (333) movably arranged along the horizontal direction, the turning plate (332) is assembled to have two stations of an inclined state and a horizontal state, and when the two clamps (331) clamp the two pull tapes (5) of the side hoop (4) on the bending unit under the inclined state of the turning plate (332), the turning plate (332) is turned to the horizontal state, so that the two pull tapes (5) can be just turned to the vertical posture; a third elastic unit (334) is arranged between the turning plate (332) and the first pushing block (333), the third elastic unit (334) is assembled to enable the elastic force of the third elastic unit to drive the turning plate (332) in the horizontal state to turn towards the inclined state, a baffle (335) which is connected with the turning plate (332) in a blocking mode is arranged on the moving path of the first pushing block (333), and when the first pushing block (333) moves towards the direction far away from the bending unit (32), the baffle (335) can extrude the turning plate (332) and extrude the turning plate (332) to the horizontal state; the threading mechanism comprises a second push block (336) which reciprocates along the vertical direction; the transfer and turnover unit (33) is arranged on the second push block (336).

4. The intelligent safety helmet of claim 2, wherein: in the step 3, assembling the gear (3) by adopting a gear (3) mounting device; gear assembly device (40) include first vibration conveyer trough (42), divide material carousel (41) and transport manipulator (44), divide material carousel (41) to rotate along vertical axis and set up, divide the edge of material carousel (41) to be equipped with U type breach, be equipped with on lateral wall (102) of U type breach with gear (3) side profile assorted recess that contracts the ware, divide the fixed bounding wall (43) that is provided with in the global outside of material carousel (41), be equipped with feed inlet and discharge gate on bounding wall (43), the feed inlet meets with first vibration conveyer trough (42), transport manipulator (44) are used for shifting gear (3) from the discharge gate and install on fixed axle (104) of the interior half shell (1) of side hoop (4) equipment station.

5. The intelligent safety helmet of claim 2, wherein: in the step 4, the outer half shell (2) is pressed and mounted by a tightener assembly device (50); the tightener assembling device (50) comprises a feeding mechanism (51) and a press-fitting mechanical hand (52), wherein the feeding mechanism (51) is used for storing the outer half shell (2), and the press-fitting mechanical hand (52) is used for transferring and press-fitting the outer half shell (2) on the feeding mechanism (51) onto the inner half shell (1) of the tightener press-fitting station; the feeding mechanism (51) comprises an arched conveying groove, a direction adjusting mechanism used for adjusting the angle of the rotating shaft square hole (204) is arranged on the arched conveying groove, and the direction adjusting mechanism is used for adjusting the angle of the rotating shaft square hole (204) of the outer half shell (2) to a preset angle; the direction adjusting mechanism comprises a square rotating shaft (53) which is vertically arranged, the square rotating shaft (53) is synchronously and rotatably connected with a main shaft (54) of a direction adjusting motor (55), the square rotating shaft (53) and the main shaft (54) of the direction adjusting motor (55) form sliding fit along the axis direction, an eighth elastic unit (56) is arranged between the square rotating shaft (53) and the main shaft (54) of the direction adjusting motor (55), the eighth elastic unit (56) is assembled to enable the elastic force of the eighth elastic unit to drive the square rotating shaft (53) to be inserted into a square hole (204) of the rotating shaft of the outer half shell (2), and the main shaft (54) of the direction adjusting motor (55) is arranged in a telescopic mode along the axis direction; the direction adjusting mechanism also comprises a material pressing frame (511) which is arranged above the arched conveying groove and used for preventing the outer half shell (2) from lifting.

6. The intelligent safety helmet of claim 2, wherein: the press-fitting mechanical arm (52) comprises a sliding seat (521) arranged in a sliding mode in the horizontal direction and a clamping jaw (522) arranged on the sliding seat (521) in a reciprocating mode in the vertical direction, the clamping jaw (522) is used for clamping a driving mechanism (203) at the center of the outer half shell (2), a blocking frame (523) is further arranged on the sliding seat (521), the blocking frame (523) is blocked with two ends of an arc plate (201) of the outer half shell (2), and when the clamping jaw (522) grabs the outer half shell (2) and is lifted upwards, the blocking frame (523) can extrude two ends of the arc plate (201) to enable two ends of the arc plate (201) to bend downwards and deform; the blocking frame (523) is movably connected with the sliding seat (521) along the vertical direction, a seventh elastic unit (524) is arranged between the blocking frame (523) and the sliding seat (521), the seventh elastic unit (524) is assembled to enable the elastic force of the seventh elastic unit to drive the blocking frame (523) to move downwards, and a limiting part used for limiting the descending limit position of the blocking frame (523) is arranged between the blocking frame (523) and the sliding seat (521); keep off frame (523) and the top surface fender of clamping jaw (522) and connect, clamping jaw (522) have first stroke and second stroke from bottom to top, and clamping jaw (522) and fender frame (523) contactless when clamping jaw (522) move in first stroke, and clamping jaw (522) are contradicted with the spacing when clamping jaw (522) move in the second stroke.

7. The intelligent safety helmet of claim 2, wherein: the positioning mechanism (70) comprises a positioning table (71), and an arched positioning groove matched with the shape of the inner half shell (1) is formed in the positioning table (71); the two ends of the positioning table (71) are respectively provided with a guide block (72), the bottom of each guide block (72) is provided with an arc-shaped guide surface, the upper end of each arc-shaped guide surface is connected with the top wall of an arc-shaped groove (103) of the side wall (102) of the inner half shell (1) in the arc-shaped positioning groove, and when the positioning mechanism (70) is positioned at the assembling station of the side hoop (4), the lower end of each arc-shaped guide surface is opposite to the upper end of a pull belt (5) in a vertical posture on the transfer turnover mechanism; when the second push block (336) drives the side hoop (4) to move upwards, the pull belt (5) can penetrate into the arc-shaped grooves (103) of the two side walls (102) of the inner half shell (1) along the arc-shaped guide surface; the two guide blocks (72) are respectively opened and closed along the horizontal direction relative to the two ends of the positioning table (71); the positioning device further comprises a fourth elastic unit (73), wherein the fourth elastic unit (73) is assembled to enable the elastic force of the fourth elastic unit to drive the guide block (72) to be abutted against the end face of the positioning table (71); still be equipped with on guide block (72) to protruding the limit convex part (722) of feeling relieved setting in the top at arch constant head tank both ends, the base at interior half shell (1) both ends is equipped with the chamfer, the upper end of limit convex part (722) is equipped with the slope guide face with chamfer matched with, and the in-process chamfer that inserts arch constant head tank at interior half shell (1) top-down can pass through two guide blocks (72) to location platform (71) both ends outside through the slope guide face, and two guide blocks (72) support tightly again with location platform (71) both ends under the effect of fourth elastic element (73) when interior half shell (1) inserts arch constant head tank completely, make limit convex part (722) press the top at interior half shell (1) both ends.

8. The intelligent safety helmet of claim 2, wherein: the bottom of the arched positioning groove is provided with a top block (74), one side of the arched positioning groove is provided with a side push rod (76), the top block (74) is movably arranged along the vertical direction, and the side push rod (76) is movably arranged along the horizontal direction; a fifth elastic unit (75) is arranged between the top block (74) and the positioning table (71), the fifth elastic unit (75) is assembled to enable the elastic force of the fifth elastic unit to drive the top block (74) to move downwards, the device further comprises a side sliding rod (77) used for driving the top block (74) to lift, a wedge driving surface is arranged on the side sliding rod (77), a wedge surface is arranged at the bottom of the top block (74), and the wedge driving surface is abutted to the wedge surface; a first inclined wedge block (721) is arranged on the guide block (72); the side sliding rod (77) and the side push rod (76) are fixed on a sliding block, a second inclined wedge block (79) is arranged on the sliding block, and a sixth elastic unit (78) used for driving the sliding block to be far away from the positioning table (71) is arranged between the sliding block and the positioning table (71).

9. The intelligent safety helmet of claim 2, wherein: in the step 5, the assembly body of the tightener and the side hoop (4) is taken down from the positioning mechanism (70) by adopting a discharging mechanism; the discharging mechanism comprises a discharging drive plate (60) movably arranged in the vertical direction, a first wedge-shaped drive block (61) in interference fit with a first wedge block (721) is arranged on the discharging drive plate (60), and a second wedge-shaped drive block (62) in interference fit with a second wedge block (79) is arranged on the discharging drive plate (60), when the discharging drive plate (60) is downward, the first wedge-shaped drive block (61) can drive a guide block (72) to be separated from a positioning table (71), and the second wedge-shaped drive block (62) can drive a jacking block (74) to jack up an inner half shell (1) and drive a side push rod (76) to push the inner half shell (1) away from the positioning table (71).

10. The intelligent safety helmet of claim 2, wherein: the positioning mechanism (70) is arranged on the transfer mechanism (10); the transfer mechanism (10) is a rotary disc which is rotationally arranged along a vertical axis; the positioning mechanisms (70) are arranged in four groups at equal intervals along the circumferential direction of the rotary disc.