CN109176005B

CN109176005B - Automatic assembling method of handle lock

Info

Publication number: CN109176005B
Application number: CN201811285162.9A
Authority: CN
Inventors: 周哲炜; 李红军; 陈孝荣
Original assignee: Institute Of Zhejiang Sci Tech University Ouhai Co ltd; Zhejiang University of Technology ZJUT
Current assignee: Institute Of Zhejiang Sci Tech University Ouhai Co ltd; Zhejiang University of Technology ZJUT
Priority date: 2018-10-31
Filing date: 2018-10-31
Publication date: 2020-09-15
Anticipated expiration: 2038-10-31
Also published as: CN109176005A

Abstract

The invention relates to an automatic assembly method of a handle lock, wherein the handle lock is assembled through automatic assembly equipment of the handle lock, the automatic assembly equipment of the handle lock comprises a controller and an assembly platform, a turntable is arranged on the assembly platform, a plurality of working mechanisms are sequentially arranged at the edge adjacent to the turntable according to the rotation direction of the turntable, a feeding mechanism is correspondingly arranged on each working mechanism, the data collected by the plurality of working mechanisms and the turntable are fed back to the controller, and the controller executes complete action control. At present, manual assembly is adopted, and no related automatic assembly equipment exists in the market; the automatic door locking assembly equipment developed by the project fills the market gap; the automation degree is high. The automatic assembly method conveniently realizes the assembly of the whole handle lock, greatly improves the assembly efficiency, reduces the influence of human factors and improves the enterprise profit because the whole process is automatically controlled and operated by a master control program.

Description

Automatic assembling method of handle lock

Technical Field

The invention belongs to the technical field of automatic assembly, and particularly relates to an automatic assembly method of a handle lock.

Background

The door handle lock is an object which is arranged on a door and is convenient for opening and closing the door by hand, various door handle locks used on the door in the current market are provided, figure 1 shows a handle lock structure, the handle lock structure comprises a handle 41, a shaft sleeve 42, a panel 43, a torsion spring 44, a rotary retaining ring 45, a gasket 46 and an axial retaining ring 47, the panel 43 is provided with a shaft hole 431, one end of the handle 41 is provided with a rotating shaft 411, the peripheral wall of the rotating shaft 411 is provided with at least two second guide grooves 4111 which are communicated up and down, the rotating shaft 411 is sleeved with the shaft sleeve 42 and is inserted into the shaft hole 431 from top to bottom, the rotating shaft 411 which passes through the shaft hole 431 is sequentially sleeved with the torsion spring 44, the rotary retaining ring 45, the gasket 46 and the axial retaining ring 47 from top to bottom, wherein one surface of the panel 43 which is close to the torsion spring 44 is provided with a convex column 432, the torsion spring 44 always has a tendency of returning the handle 41, wherein the free end of the torsion spring 44 is limited in the corresponding second guiding groove 4111; the inner peripheral wall of the rotation retainer ring 45 is provided with two protrusions 451, and the outer peripheral wall of the rotation retainer ring 45 is provided with two stoppers 452 extending outwards, wherein the protrusions 451 can be limited in the corresponding second guide grooves 4111, and in the assembled state, the protruding column 432 is always limited between the two stoppers 452 under the action of the torsion spring 44.

In the prior art, when the handle lock is assembled, generally, manual assembly is performed, the handle 41 sleeved with the shaft sleeve 42 is firstly inserted into the shaft hole 431 of the panel 43, the hook 441 of the torsion spring 44 is hung on the convex column 432, the free end 442 of the torsion spring 44 is limited in the corresponding second guide groove 4111, then the handle 41 is rotated by 90 degrees, and the rotating retaining ring 45, the gasket 46 and the axial retaining ring 47 are sequentially sleeved on the rotating shaft, wherein two convex blocks 451 of the rotating retaining ring 45 are limited in the corresponding second guide grooves 4111, so as to realize the installation of the handle lock, the manual assembly is adopted, not only the production efficiency is low, but a large amount of manpower and material resources are consumed, and when the assembly is performed, one hand rotates the handle to 90 degrees, the other hand respectively and strictly clamps the convex blocks 451 of the rotating retaining ring 45 and the second guide grooves 4111 of the rotating shaft 411, so as to realize the assembly of the handle lock, however, in the actual assembly process, due to the instability of human factors, the problem of deviation of the clamping connection between the bump 451 and the second guide groove 4111 caused by manual assembly is inevitable, so that the situation that the handle lock is not assembled in place, even the assembly of the handle lock fails, and the production efficiency is greatly reduced; meanwhile, when the handle is manually rotated by 90 degrees for assembly, the assembly is labor-consuming, the labor cost is increased, the production efficiency is reduced, and the production profit of enterprises is reduced.

Therefore, it is desirable to provide an automatic assembly method of a handle lock.

Disclosure of Invention

The technical problem to be solved by the invention is to provide an automatic assembling method of a handle lock with high assembling efficiency aiming at the current situation of the prior art.

The technical scheme adopted by the invention for solving the technical problems is as follows: an automatic assembly method of a handle lock is characterized in that: the handle lock is assembled through automatic handle lock assembling equipment, the automatic handle lock assembling equipment comprises a controller and an assembling platform, a turntable is arranged on the assembling platform, a plurality of working mechanisms are sequentially arranged at the edge adjacent to the turntable and in the rotating direction of the turntable, a feeding mechanism is correspondingly arranged on each working mechanism, each working mechanism is respectively an axial check ring moving mechanism, a gasket moving mechanism, a rotating mandrel moving mechanism, a rotating check ring moving mechanism, a torsion spring moving mechanism, a feeding mechanism, a flexible feeding mechanism, a shaft sleeve feeding mechanism, a handle moving mechanism and a finished product discharging mechanism, and data collected by the plurality of working mechanisms and the turntable are fed back to the controller and the controller executes complete action control;

the fixture comprises a base, a sleeve, a rotating mandrel and a first elastic piece, wherein the base is fixed on the turntable, the base is provided with an outer cylinder body which extends upwards and is provided with an opening at the upper end, an inner cylinder body with openings at the upper end and the lower end is arranged in the outer cylinder body, a second elastic piece is arranged in the inner cylinder body, and the base is also provided with an insertion hole for accommodating the rotating mandrel; the sleeve part is positioned in an annular groove formed between the inner cylinder body and the outer cylinder body, the sleeve moves axially relative to the outer cylinder body under the action of the first elastic piece, an accommodating groove with two convex angles is formed in the inner peripheral wall of the sleeve, an assembly cavity is formed between the top of the sleeve and the top of the inner cylinder body, the accommodating groove is positioned in the assembly cavity, an accommodating hole is further formed in the top wall of the sleeve, and the accommodating hole is positioned between the two convex angles and is close to one of the convex angles;

the automatic assembly method of the handle lock comprises the following steps:

s1: the controller controls the rotation of the turntable, and detects whether an axial check ring is arranged on the corresponding feeding mechanism through the detector, if the axial check ring is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal; if the axial retainer ring is detected, the axial retainer ring moving and taking mechanism acts, clamps the axial retainer ring, places the axial retainer ring in the assembly cavity of the corresponding clamp, and enters the next procedure;

s2: the clamp in the S1 continues to rotate to the gasket moving mechanism along with the turntable, whether the corresponding feeding mechanism is provided with the gasket is detected through the detector, if the gasket is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed; if the gasket is detected, the gasket moving and taking mechanism acts, the gasket is clamped and placed in the assembling cavity of the clamp, the gasket is located above the axial retainer ring, and the next procedure is carried out;

s3: the clamp in the S2 continues to rotate to the rotating mandrel moving mechanism along with the turntable, and the rotating mandrel moving mechanism clamps the rotating mandrel on the clamp to the assembling cavity on one side of the clamp and enters the next procedure;

s4: the clamp in the S3 continues to rotate to the position of the rotary check ring moving mechanism along with the turntable, whether a rotary check ring exists on the corresponding feeding mechanism is detected through the detector, if the rotary check ring is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed; if the rotating check ring is detected, the rotating check ring is clamped by the rotating check ring moving and taking mechanism and placed in the assembly cavity of the clamp, and a convex block of the rotating check ring is in sliding fit with a corresponding first guide groove on the rotating mandrel, so that the rotating check ring slides to the upper part of the gasket and enters the next process;

s5: the clamp in the S4 continues to rotate to the torsion spring moving mechanism along with the turntable, whether a torsion spring exists on the corresponding feeding mechanism is detected through the detector, if the torsion spring is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed materials; if the torsion spring is detected, the torsion spring is clamped by the torsion spring moving mechanism and placed in the assembling cavity of the clamp, the hook end of the torsion spring is located on the outer edge of the containing hole, the free end of the torsion spring is limited on the fixing piece of the rotating mandrel, and the next procedure is carried out;

s6: the clamp in the S5 continues to rotate to the feeding mechanism along with the turntable, the feeding mechanism feeds oil into the assembly cavity, the oil feeding amount of the feeding mechanism is adjusted through the adjusting mechanism, and the next procedure is started;

s7: the clamp in the S6 continues to rotate to the flexible feeding mechanism along with the turntable, whether a panel is arranged on the corresponding feeding mechanism is detected through the detector, if the panel is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed materials; if the panel is detected, the panel is clamped by the flexible feeding mechanism and placed on the clamp, the convex column of the panel is inserted into the accommodating hole, and the hook end of the torsion spring is just hung on the convex column and enters the next process;

s8: the clamp in the S7 continues to rotate to the shaft sleeve feeding mechanism along with the turntable, whether a shaft sleeve exists on the corresponding feeding mechanism is detected through the detector, if the shaft sleeve is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed; if the shaft sleeve is detected, clamping the shaft sleeve by a shaft sleeve feeding mechanism to be sleeved at the upper end of the rotary mandrel, placing the shaft sleeve on a panel of the clamp, and entering the next process;

s9: the clamp in the S8 continues to rotate to the handle moving mechanism along with the turntable, and the detector detects whether a handle is arranged on the corresponding feeding mechanism or not, if the handle is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed materials; if the handle is detected, the handle is clamped through the handle moving mechanism, a rotating shaft of the handle is aligned with the upper end of the rotating mandrel, the handle is placed on the rotating mandrel, the rotating mandrel is pressed down through the handle moving mechanism, then the handle and the rotating mandrel are driven to synchronously horizontally rotate for 90 degrees through the rotating mechanism located below the assembling platform, the handle and the sleeve move downwards under the action of the handle moving mechanism, the handle is installed on the rotating mandrel, a finished handle lock product is formed, and the next process is carried out;

s10: the clamp in S9 continues to rotate to the finished product blanking mechanism along with the turntable, for taking out the assembled handle lock from the corresponding clamp, and the rotary spindle on the clamp with the handle lock removed is moved to the insertion hole of the clamp by the taking mechanism, and the steps S1-S10 are repeated.

In order to prevent the free end of the torsion spring from moving downwards when the handle rotates, the hook end of the handle lock torsion spring is hung on the convex column of the panel, and one of the first guide grooves is internally provided with an elastic limiting part which limits the free end of the torsion spring to move downwards and can move towards the radial direction of the rotating mandrel.

In order to enable the lug to be installed on the panel of the handle lock through the relative movement of the elastic limiting part and the rotating mandrel, the outer side wall of the elastic limiting part close to the lower end is preferably provided with a first guide surface which gradually shrinks inwards from top to bottom.

In order to facilitate the axial retainer ring of the handle lock to be limited on the rotating shaft of the handle through the guide surface, the lower end of the fixing piece is provided with a second guide surface which gradually shrinks inwards from top to bottom.

Flexible feed mechanism's structural style has the multiple, flexible feed mechanism is including setting up the fixing base on assembly platform, be provided with second actuating mechanism on the fixing base, second actuating mechanism is connected with clamping device through the pendulum shaft, clamping device includes the first clamping jaw that sets gradually from bottom to top, drives the first finger cylinder of the first clamping jaw switching, drives the relative assembly platform level pivoted revolving cylinder of first finger cylinder and drives the first cylinder that the finger cylinder reciprocated, the finger is connected with the upper end of first clamping jaw about first finger cylinder, and the upper end of first finger cylinder is connected with revolving cylinder's lower extreme, and revolving cylinder's upper end is connected on first cylinder.

The swing shaft has various structural forms, preferably, the swing shaft is L-shaped and comprises a vertical rod and a transverse rod connected with the upper end of the vertical rod, the lower end of the vertical rod is connected with the output end of the second driving mechanism in a driving mode, and the other end of the transverse rod is fixedly connected with the first air cylinder.

The handle moving mechanism comprises a support, wherein a second clamping jaw, a second finger cylinder, a double-shaft cylinder and a guide rod cylinder are arranged on the support, left and right fingers of the second finger cylinder are connected with the upper end of the second clamping jaw, the lower end of the double-shaft cylinder is connected to the upper end of the second finger cylinder through a connecting piece and used for driving the second finger cylinder to move up and down, and the guide rod cylinder is arranged at a position close to the upper end of the double-shaft cylinder and used for driving the second finger cylinder to move along the radial direction of the rotary table.

Preferably, the axial retaining ring moves and gets mechanism, gasket and moves and gets mechanism, rotatory dabber and move and get mechanism, rotatory retaining ring and move and get mechanism, torsional spring and move and get the third finger cylinder that mechanism and axle sleeve feed mechanism all include support, first triaxial cylinder, slip table cylinder, third clamping jaw and be used for driving the opening and closing of third clamping jaw, the finger is connected with the upper end of third clamping jaw about the third finger cylinder, the lower extreme and the third finger cylinder of slip table cylinder are connected to be used for driving third finger cylinder up-and-down motion, first triaxial cylinder sets up on the support, and the output of this first triaxial cylinder is connected with the slip table cylinder to be used for driving the radial direction motion of slip table cylinder along the carousel.

The finished product unloading mechanism has multiple structural styles, preferably, the finished product unloading mechanism is a four-axis robot, the driving end of the four-axis robot is respectively provided with a fourth finger cylinder and a fifth finger cylinder, the driving end of the fourth finger cylinder is provided with a fourth clamping jaw for clamping a finished product handle lock, and the driving end of the fifth finger cylinder is provided with a fifth clamping jaw for moving a rotating mandrel from an assembly cavity of a clamp to a jack on one side of the assembly cavity. Therefore, the finished handle lock can be moved away by the four-axis robot, and the rotating mandrel can be moved into the jack on one side of the same clamp assembly cavity from the assembly cavity of the clamp, so that the assembly efficiency is improved.

The structure of the rotating mechanism is various, preferably, the rotating mechanism comprises a motor and a second triaxial cylinder for driving the motor to move up and down, the output end of the motor is connected with a rotating cylinder for inserting the lower end of the rotating mandrel, and the rotating cylinder and the rotating mandrel are driven by the motor to synchronously rotate around the axis of the rotating cylinder and the rotating mandrel relative to the outer cylinder.

Compared with the prior art, the invention has the advantages that: 1. the automatic assembly method of the handle lock can make the assembly of the handle lock be carried out in a reciprocating way, has high automation degree, can conveniently realize the assembly of the whole handle lock, greatly improves the assembly efficiency, reduces the influence of human factors because the whole process is automatically controlled and operated by a master control program, and in addition, each component of the handle lock is accurately aligned with the structure of the clamp, realizes the accurate installation of the handle lock, prevents the situation of improper installation, reduces the assembly cost of the handle lock to a great extent, and improves the enterprise profit; in addition, manual assembly is adopted at present, and no related automatic assembly equipment exists in the market; the automatic door locking assembly equipment developed by the project fills the market gap; the automation degree is high; 2. the clamp for realizing the assembly of the handle lock comprises a base with an outer cylinder body and an inner cylinder body, a sleeve, a rotating mandrel, a first elastic part and a second elastic part, wherein an assembly cavity is formed between the top of the inner cylinder body and the top of the sleeve, and an accommodating groove for placing the rotating check ring is formed in the inner peripheral wall of the sleeve, when in use, only the axial check ring and the gasket of the handle lock are required to be sequentially placed in the assembly cavity, then the rotating mandrel sequentially penetrates through the gasket and the axial check ring to be inserted in the inner cylinder body, then the rotating check ring is limited in the accommodating groove through the sliding fit of the convex block and the corresponding second guide groove, then the panel is installed on the outer cylinder body, at the moment, the rotating mandrel is exposed out of the panel, then the shaft sleeve is sleeved on the rotating mandrel, the rotating shaft of the handle is inserted in the rotating mandrel, then the handle is pressed downwards, and the handle, then continue to push down the handle, rotatory dabber and sleeve synchronous downstream at this moment realizes the assembly of handle lock, and anchor clamps can recycle, have reduced material cost.

Drawings

Fig. 1 is a schematic view of an assembly structure of a handle lock in the background art;

FIG. 2 is a schematic perspective exploded view of FIG. 1;

FIG. 3 is a schematic structural diagram of an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of another embodiment of the present invention;

FIG. 5 is a schematic diagram of a portion of an embodiment of the present invention;

FIG. 6 is a schematic view of the structure of FIG. 5 at another angle;

FIG. 7 is a cross-sectional view of the components of the handle lock placed on the clamp structure in an embodiment of the present invention;

FIG. 8 is a cross-sectional view of an embodiment of the present invention with the handle depressed;

FIG. 9 is a schematic perspective exploded view of FIG. 8;

FIG. 10 is a cross-sectional view of the handle rotated 90 degrees in accordance with an embodiment of the present invention;

FIG. 11 is a cross-sectional view of the embodiment of the present invention with the handle lock in an assembled state;

FIG. 12 is an exploded schematic view of a cross-sectional view of an embodiment of the present invention;

FIG. 13 is a schematic view of the structure of the clamp in an embodiment of the present invention (with the rotating mandrel and the third elastic member removed);

FIG. 14 is a cross-sectional view of a base in an embodiment of the invention;

FIG. 15 is a schematic structural view of a sleeve in an embodiment of the present invention;

FIG. 16 is a schematic structural view of a rotary mandrel in an embodiment of the present invention;

FIG. 17 is a schematic structural view of an axial retainer ring removing mechanism in an embodiment of the present invention;

FIG. 18 is a schematic structural view of a handle removal mechanism in an embodiment of the present invention;

FIG. 19 is a schematic structural diagram of a finished product blanking mechanism in an embodiment of the present disclosure;

FIG. 20 is a schematic structural diagram of a flexible loading mechanism in an embodiment of the present invention;

fig. 21 is a partial structural schematic view of a flexible feeding mechanism in an embodiment of the invention.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 3 to 21, the automatic assembling device for a handle lock according to an embodiment of the present invention includes an assembling platform 1 and a rotary plate 2 disposed on the assembling platform 1 and capable of horizontally rotating with respect to the assembling platform 1, wherein,

as shown in fig. 3 and 4, a plurality of working mechanisms are sequentially arranged on the assembly platform 1 adjacent to the edge of the turntable 2 and according to the rotation direction of the turntable 2, and each working mechanism is correspondingly provided with a feeding mechanism 6, each working mechanism is respectively an axial check ring moving mechanism 51, a gasket moving mechanism 52, a rotating mandrel moving mechanism 53, a rotating check ring moving mechanism 54, a torsion spring moving mechanism 55, a feeding mechanism 59, a flexible feeding mechanism 56, a shaft sleeve feeding mechanism 50, a handle moving mechanism 57 and a finished product blanking mechanism 58, the edge of the turntable 2 is provided with a plurality of stations arranged at intervals along the circumferential direction, each station is respectively an axial check ring assembly station 21, a gasket assembly station 22, a mandrel assembly station 23, a rotating check ring assembly station 24, a torsion spring assembly station 25, a feeding station 20, a panel feeding station 26, a handle assembly station 27, a shaft sleeve assembly station 28 and an assembly station 29, the above-mentioned each station is equipped with the clamp 3 used for assembling the handle lock separately.

As shown in fig. 7 to 16, the above-mentioned clamp 3 comprises a base 31, a sleeve 32, a rotating mandrel 33, a first elastic member 34 and a second elastic member 35, wherein,

the base 31 is provided with an outer cylinder 311 which extends upwards and has an open upper end, an inner cylinder 312 is arranged in the outer cylinder 311, in addition, the base 31 is provided with a positioning cylinder 313 which extends upwards, an extending rod 314 is inserted into the positioning cylinder 313, the panel 43 is provided with a mounting hole 433 through which the extending rod 314 partially passes, the upper end of the extending rod 314 is provided with a shoulder 3141 which extends outwards, the extending rod 314 is sleeved with a third elastic element 315, the third elastic element 315 is a third spring which is positioned between the shoulder 3141 and the upper end surface of the positioning cylinder 313, and has a tendency that the extending rod 314 moves upwards relative to the positioning cylinder 313, as shown in fig. 3 to 7.

The sleeve 32 is partially located in the annular groove 310 formed between the inner cylinder 312 and the outer cylinder 311 and can move axially relative to the outer cylinder 311, a limiting structure is arranged between the outer circumferential wall of the sleeve 32 and the inner circumferential wall of the outer cylinder 311 to limit the circumferential rotation of the two, an accommodating groove 321 for placing the rotation check ring 45 therein is formed in the inner circumferential wall of the sleeve 32, specifically, the accommodating groove 321 has two convex corners 3211, and the convex corners 3211 are used for accommodating corresponding stoppers 452 of the rotation check ring 45; the top wall of the sleeve 32 is provided with an accommodating hole 322 for inserting the convex post 432 of the panel 43, and the accommodating hole 322 is located between the two convex angles 3211 of the accommodating groove 321 and is close to one of the convex angles 3211; in addition, a stop edge 324 extends outwards along the circumferential direction at the top edge of the sleeve 32, and the lower end surface of the stop edge 324 abuts against the upper end surface of the outer cylinder 311 when the handle lock is in the mounted state. In addition, an assembly chamber 300 is formed between the top of the sleeve 32 and the top of the inner cylinder 312, and the receiving groove 321 is located in the assembly chamber 300.

The limiting structure adopts the following form:

the peripheral wall of the sleeve 32 is provided with a second convex portion 323 on a position close to the lower end, correspondingly, a third slide 3111 in sliding fit with the second convex portion 323 is provided on the inner peripheral wall of the outer cylinder 311, the third slide 3111 includes a first slide groove 31111 vertically arranged, a second slide groove 31112 horizontally arranged and a third slide groove 31113 vertically arranged, the lower end of the first slide groove 31111 is connected with one end of the second slide groove 31112, the other end of the second slide groove 31112 is connected with the upper end of the third slide groove 31113, and the second convex portion 323 and the third slide groove 3111 form the above-mentioned limit structure.

The rotating mandrel 33 can be partially inserted into the inner cylinder 312 from top to bottom, the upper end of the rotating mandrel 33 can be in inserting fit with the rotating shaft 411 of the handle 41, and the rotating mandrel 33 and the handle 41 can synchronously and circumferentially rotate relative to the inner cylinder 312; a fixing part 331 is arranged on the outer peripheral wall of the rotating mandrel 33 at a position close to the upper part, a first guide groove 3311 which is penetrated up and down and is used for a corresponding bump 451 of the rotating retainer ring 45 to pass through is formed on the outer peripheral wall of the fixing part 331 at intervals along the circumferential direction, two second guide grooves 4111 which are arranged oppositely are formed on the outer peripheral wall of the rotating shaft 411, the second guide grooves 4111 can be communicated with the corresponding first guide grooves 3311 to form a first slide way which is in sliding fit with the bump 451, and therefore the rotating mandrel 33 and the handle 41 can axially move relative to the inner cylinder 312; in addition, the torsion spring 44 has a hook end 441 and a free end 442 extending inward, the hook end 441 of the torsion spring 44 is hung on the boss 432 of the panel 43, one of the first guide slots 3311 is provided with an elastic limiting portion 3310 for limiting the downward movement of the free end 442 of the torsion spring 44 and moving toward the radial direction of the rotating spindle, and the outer sidewall of the elastic limiting portion 3310 near the lower end has a first guide surface 33101 gradually contracting inward from top to bottom.

As shown in fig. 5 and fig. 14, an annular groove 4112 into which the axial retaining ring 47 is inserted is formed in an outer peripheral wall of the rotating shaft 411 of the handle lock in the present embodiment, and for facilitating the axial retaining ring 47 to pass through the fixing member 331 and be inserted into the annular groove 4112, a lower end of the fixing member 331 has a second guide surface 3312 which gradually shrinks inward from top to bottom.

In order to realize the axial up-and-down movement and rotation of the rotating mandrel, in this embodiment, the outer circumferential wall of the rotating mandrel 33 is provided with a first convex portion 332 at a position close to the lower end, correspondingly, the inner circumferential wall of the inner cylinder 312 is provided with a second slide 3121 in sliding fit with the first convex portion 332, the second slide 3121 includes a first vertical groove 31211, a transverse groove 31212 and a second vertical groove 31213, the lower end of the first vertical groove 31211 is connected with one end of the transverse groove 31212, the other end of the transverse groove 31212 is connected with the upper end of the second vertical groove 31213, and the rotating mandrel 33 realizes the axial up-and-down movement and rotation relative to the inner cylinder 312 through the cooperation of the first convex portion 332 and the second slide 3121. Wherein, the junction of the first vertical groove 31211 and the transverse groove 31212 is in smooth transition, and the junction of the second vertical groove 31213 and the transverse groove 31212 is in smooth transition. In addition, a limiting step 3122 for limiting the downward movement of the fixing member 331 is formed on the inner peripheral wall of the inner cylinder 312 near the upper end, and the second sliding way 3121 is located below the limiting step 3122.

In order to accommodate the rotating mandrels for the convenience of preventing the rotating mandrels from being lost, an insertion hole 30 into which the rotating mandrel 33 is inserted is formed between the outer peripheral wall of the sleeve 32 and the inner peripheral wall of the outer cylinder 311.

The first elastic member 34 is located in the annular groove 310 and makes the top wall of the sleeve 32 have a tendency to move away from the top wall of the outer cylinder 311; specifically, the first elastic element 34 is a first spring sleeved on the inner cylinder 312, an upper end of the first spring abuts against the bottom of the sleeve 32, and a lower end of the first spring abuts against the bottom wall of the annular groove 310.

The second elastic member 35 is disposed in the inner cylinder 312 and gives the rotating spindle 33 a tendency to move upward; specifically, the second elastic member 35 is a second spring, an upper end of the second spring abuts against the bottom wall of the rotating spindle 33, and a lower end of the second spring abuts against the bottom wall of the inner cylinder 312.

The process of installing the handle lock through the clamp structure is as follows:

firstly, sequentially placing an axial retainer ring 45 and a gasket 46 of the handle lock in an assembly cavity 300, then inserting the rotating mandrel 33 into the inner cylinder body 312 sequentially through the gasket 46 and the axial retainer ring 45 from top to bottom, wherein the bottom of the rotating mandrel 33 is abutted against the bottom of the second spring, and a fixing piece 331 of the rotating mandrel 33 is exposed out of the inner cylinder body 312; then, the projection 451 of the rotation check ring 45 corresponds to the second guide groove 4111 of the rotation core shaft 33, and the rotation check ring 45 slides into the receiving groove 321 on the upper portion of the gasket 46 through the sliding fit between the projection 451 and the second guide groove 4111; then, the torsion spring 44 is sleeved on the rotating spindle 33, at this time, the hook end 441 of the torsion spring 44 is located at the peripheral edge of the accommodating hole 322, the opening direction of the hook end 441 faces to one side adjacent to the convex angle 3211, and the free end 442 of the torsion spring 44 is limited in the corresponding second guide groove 4111; then, the shaft hole 431 of the panel 43 corresponds to the upper part of the rotating mandrel 33, and the mounting hole 433 corresponds to the upright 313, so that the panel 43 is placed on the sleeve 32, at this time, the fixing part 331 of the rotating mandrel 33 is partially exposed outside the panel 43, and the convex column 432 of the panel 43 is just positioned in the accommodating hole 322; subsequently, the shaft sleeve 42 is sleeved on the rotating mandrel 33, in the assembled state, a part of the shaft sleeve 42 is positioned between the rotating mandrel 33 and the shaft hole 431 of the panel, finally, the rotating shaft 411 of the handle 41 is aligned with the rotating mandrel 33, the handle 41 is installed on the rotating mandrel 33, the handle 41 is pressed down, the rotating mandrel 33 moves downwards at the moment, the handle 41 rotates 90 degrees clockwise, the handle 41 and the rotating mandrel 33 rotate 90 degrees synchronously, then the handle 41 is pressed down continuously, at the moment, the rotating mandrel 33 and the sleeve 32 move downwards synchronously, in the state, the axial retainer ring 45, the gasket 46 and the rotating retainer ring 45 are all positioned on the rotating shaft 411 of the handle 41, the axial retainer ring 45 is limited in the annular retainer groove 4112 of the rotating shaft 411, the assembly of the handle lock is completed, and the handle lock is taken out.

The first driving mechanism 200 is arranged on the assembly platform 1 and is in driving connection with the turntable 2; wherein the first driving mechanism 200 is a cam divider, and the cam divider drives the turntable 2 to rotate.

The axial retainer ring moving mechanism 51 is arranged on the assembly platform 1 close to the edge of the rotary table 2, and the output end of the axial retainer ring moving mechanism corresponds to the axial retainer ring assembly station 21 of the rotary table 2 and is used for placing the axial retainer ring 47 into the corresponding assembly cavity 300 moving to the axial retainer ring assembly station 21.

The gasket moving mechanism 52 is arranged on the assembly platform 1 close to the edge of the rotating disc 2, is arranged at the downstream of the axial retainer ring moving mechanism 51 according to the rotating direction of the rotating disc 2, and has an output end corresponding to the gasket assembly station 22 of the rotating disc 2, and is used for moving and placing the gasket 46 above the axial retainer ring 47 at the gasket assembly station 22.

The rotating mandrel moving mechanism 53 is disposed on the assembly platform 1 near the edge of the turntable 2, and is disposed downstream of the gasket moving mechanism 52 according to the rotation direction of the turntable 2, and an output end of the rotating mandrel moving mechanism corresponds to the mandrel assembly station 23 of the turntable 2, and is configured to move and insert the rotating mandrel 33 into the inner cylinder 312 of the mandrel assembly station 23, specifically, the rotating mandrel moving mechanism 53 moves the rotating mandrel 33 located in the fixture insertion hole 30 at the station into the inner cylinder 312 of the same fixture 3.

The rotating retainer ring moving mechanism 54 is disposed on the assembly platform 1 near the edge of the turntable 2, and is disposed downstream of the rotating mandrel 33 moving mechanism 53 according to the rotation direction of the turntable 2, the output end of the rotating retainer ring moving mechanism corresponds to the rotating retainer ring assembly station 24 of the turntable 2, and is used for sleeving the rotating retainer ring 45 on the rotating mandrel 33 in the assembly cavity 300 which has moved to the station, and the projection 451 of the rotating retainer ring 45 is in sliding fit with the corresponding first guide groove 3311, so that the rotating retainer ring 45 slides above the gasket 46.

The torsion spring moving mechanism 55 is arranged on the assembly platform 1 close to the edge of the turntable 2, and is arranged at the downstream of the rotating check ring moving mechanism 54 according to the rotating direction of the turntable 2, the output end of the torsion spring moving mechanism corresponds to the torsion spring assembly station 25 of the turntable 2, and is used for placing the torsion spring 44 in the assembly cavity 300 of the fixture 3 with the rotating check ring 45 which has moved to the torsion spring assembly station 25, the hook end 441 of the torsion spring 44 is located at the outer edge of the accommodating hole 322, and the free end 442 of the torsion spring 44 is limited on the fixing piece 331 of the rotating mandrel 33.

The feeding mechanism 59 is arranged on the assembly platform 1 close to the edge of the turntable 2 and is positioned between the downstream of the torsion spring removing mechanism 55 and the upstream of the flexible feeding mechanism 56 according to the rotating direction of the turntable 2.

As shown in fig. 20 and 21, the flexible feeding mechanism 56 is disposed on the assembly platform 1 near the edge of the turntable 2, and is disposed downstream of the torsion spring moving mechanism 55 according to the rotation direction of the turntable 2, the output end of the flexible feeding mechanism corresponds to the panel loading station 26 of the turntable 2, and is used for placing the panel 43 with the shaft hole 431 on the upper portion of the sleeve 32 which has moved to the panel loading station 26, the rotating spindle 33 partially passes through the shaft hole 431 of the panel 43, the convex post 432 of the panel 43 is inserted into the accommodating hole 322, and the hook end 441 of the torsion spring 44 is hung on the convex post 432; the flexible feeding mechanism 56 comprises a fixed seat 561 arranged on the assembly platform 1, a second driving mechanism 562 is arranged on the fixed seat 561, the second driving mechanism 562 is connected with a clamping device 564 through a swing shaft 563, the clamping device 564 comprises a first clamping jaw 5641, a first finger cylinder 5642, a rotating cylinder 5643 and a first cylinder 5644, the first clamping jaw 5641 is driven to open and close, the first finger cylinder 5642 is driven to horizontally rotate relative to the assembly platform 1, the first cylinder 5644 is driven to vertically move by the first finger cylinder 5642, left and right fingers of the first finger cylinder 5642 are connected with the upper end of the first clamping jaw 5641, the upper end of the first finger cylinder 5642 is connected with the lower end of the rotating cylinder 5643, and the upper end of the rotating cylinder 5643 is connected with the output end of the first cylinder 5644.

The swing shaft 563 is L-shaped and comprises a vertical rod 5632 and a transverse rod 5631 connected with the upper end of the vertical rod 5632, the lower end of the vertical rod 5632 is connected with the output end of the second driving mechanism 562 in a driving manner, and the other end of the transverse rod 5631 is fixedly connected with the first cylinder 5644.

The sleeve feeding mechanism 50 is arranged on the assembly platform 1 close to the edge of the turntable 2 and is positioned between the downstream of the flexible feeding mechanism 56 and the upstream of the handle moving mechanism 57 according to the rotating direction of the turntable 2.

As shown in fig. 5, 6 and 18, the handle removing mechanism 57 is disposed on the assembly platform 1 near the edge of the turntable 2, and is disposed downstream of the flexible feeding mechanism 56 according to the rotation direction of the turntable 2, the output end of the handle removing mechanism corresponds to the handle assembly station 27 of the turntable 2, and moves the handle 41 and aligns the rotating shaft 411 of the handle 41 on the rotating spindle 33 which has been moved to the handle assembly station 27, and then the handle 41 and the rotating spindle 33 are driven to rotate synchronously 90 degrees by the rotating mechanism 7 located below the assembly platform 1, and the second guiding groove 4111 and the first guiding groove 3311 of the rotating shaft 411 form a sliding way which is in sliding fit with the corresponding projection 451, so that the handle 41 is moved downward by the handle removing mechanism 57 and is mounted on the rotating spindle 33 to form a finished handle lock product;

the handle moving mechanism 57 includes a bracket 571, the bracket 571 is provided with a second clamping jaw 572, a second finger cylinder 573, a double-shaft cylinder 574, a guide rod cylinder 575 and a third driving mechanism 576, the guide rod cylinder 575 is disposed at a position adjacent to the upper end of the double-shaft cylinder 574 and is used for driving the double-shaft cylinder 574 to move along the radial direction of the turntable 2, the lower end of the double-shaft cylinder 574 is fixed at the upper end of the third driving mechanism 576 through a connecting member 570 and drives the third driving mechanism 576 to move up and down, the output end of the third driving mechanism 576 is connected with the upper end of the second finger cylinder 573 and is used for driving the second finger cylinder 573 to rotate along the axis thereof, the left and right fingers of the second finger cylinder 573 are connected with the upper end of the second clamping jaw 572, and the third driving mechanism 576 is a.

The finished product blanking mechanism 58 is arranged at the downstream of the handle moving mechanism 57 according to the rotating direction of the turntable 2, and is used for taking the assembled handle lock out of the corresponding clamp 3 and removing the rotating mandrel 33 on the clamp 3 after the handle lock is removed through the taking mechanism.

The axial retainer ring moving mechanism 51, the gasket moving mechanism 52, the rotating mandrel moving mechanism 53, the rotating retainer ring moving mechanism 54, the torsion spring moving mechanism 55 and the shaft sleeve feeding mechanism 50 all comprise a support 501, a first three-axis cylinder 502, a sliding table cylinder 503, a third clamping jaw 504 and a third finger cylinder 505 for driving the third clamping jaw 504 to open and close, left and right fingers of the third finger cylinder 505 are connected with the upper end of the third clamping jaw 504, the lower end of the sliding table cylinder 503 is connected with the third finger cylinder 505 and used for driving the third finger cylinder 505 to move up and down, the first three-axis cylinder 502 is arranged on the support 501, and the output end of the first three-axis cylinder 502 is connected with the sliding table cylinder 503 and used for driving the sliding table cylinder 503 to move along the radial direction of the rotary table 2.

In the above embodiment, as shown in fig. 3 and 4 in combination with fig. 19, the finished product blanking mechanism 58 is a four-axis robot, the driving ends of the four-axis robot are respectively provided with a fourth finger cylinder 581 and a fifth finger cylinder 582, the driving end of the fourth finger cylinder 581 is provided with a fourth clamping jaw 5811 for clamping the finished product handle lock 4, and the driving end of the fifth finger cylinder 582 is provided with a fifth clamping jaw 5821 for moving the rotary mandrel 33 from the assembling cavity 300 of the clamp 3 to the insertion hole 30 on one side of the assembling cavity 300.

As shown in fig. 5 and 6, the above-mentioned rotating mechanism 7 includes a motor 71 and a second triaxial cylinder 72 for driving the motor 71 to move up and down, an output end of the motor 71 is connected to a rotating cylinder 711 into which a lower end of the rotating spindle 33 is inserted, and the rotating cylinder and the rotating spindle 33 rotate around their axes synchronously with the outer cylinder 311 under the driving of the motor 71.

In this embodiment, the feeding mechanisms 6 corresponding to the axial retainer ring moving mechanism 51, the gasket moving mechanism 52, the rotating retainer ring moving mechanism 54, the torsion spring moving mechanism 55, and the shaft sleeve moving mechanism 50 are all vibrating discs, and the feeding mechanisms 6 corresponding to the flexible feeding mechanism and the handle moving mechanism are conveyor belts.

The automatic assembly method of the handle lock comprises the following steps:

s1: the controller controls the rotation of the turntable 2, the detector detects whether the corresponding feeding mechanism 6 is provided with the axial retainer ring 47 or not, if the axial retainer ring 47 is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed materials; if the detector detects the axial retainer ring 47, the axial retainer ring moving and taking mechanism 51 acts, clamps the axial retainer ring 47, places the axial retainer ring 47 in the assembly cavity 300 of the corresponding clamp 3, and enters the next process;

s2: the clamp 3 in the S1 continuously rotates to the gasket moving mechanism 52 along with the turntable 2, whether the corresponding feeding mechanism 6 has the gasket 46 is detected through the detector, if the gasket 46 is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed; if the detector detects the gasket 46, the gasket moving mechanism 52 operates to clamp and place the gasket 46 into the assembly cavity 300 of the fixture 3, and the gasket 46 is positioned above the axial retainer ring 47 and enters the next process;

s3: the clamp 3 in S2 continues to rotate to the rotating mandrel moving mechanism 53 along with the turntable 2, and the rotating mandrel moving mechanism 53 clamps the rotating mandrel 33 on the clamp 3 to the assembly cavity 300 on one side of the clamp 3, and then enters the next process;

s4: the clamp 3 in the S3 continues to rotate to the rotary check ring moving mechanism 54 along with the turntable 2, whether the rotary check ring 45 exists on the corresponding feeding mechanism 6 is detected through the detector, if the rotary check ring 45 is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed; if the detector detects the rotation check ring 45, the rotation check ring moving mechanism 54 clamps the rotation check ring 45 and places the rotation check ring 45 into the assembly cavity 300 of the fixture 3, and the projection of the rotation check ring 45 is in sliding fit with the corresponding first guide groove 3311 on the rotation mandrel 33, so that the rotation check ring 45 slides to the upper side of the gasket 46 and enters the next process;

s5: the clamp 3 in the S4 continuously rotates to the torsion spring moving mechanism 55 along with the turntable 2, whether the torsion spring 44 exists on the corresponding feeding mechanism 6 is detected through the detector, if the torsion spring 44 is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed materials; if the detector detects the torsion spring 44, the torsion spring 44 is clamped by the torsion spring moving mechanism 55 and placed in the assembly cavity 300 of the fixture 3, the hook end 441 of the torsion spring 44 is located at the outer edge of the accommodating hole 322, the free end 442 of the torsion spring 44 is limited on the fixing member 331 of the rotating spindle 33, and the next process is performed;

s6: the clamp 3 in the step S5 continues to rotate along with the turntable 2 to the feeding mechanism 59, the feeding mechanism 59 feeds oil into the assembly cavity 300, the oil feeding amount of the feeding mechanism 59 is adjusted through the adjusting mechanism, and the next process is carried out;

s7: the clamp 3 in the S6 continuously rotates to the position of the flexible feeding mechanism 56 along with the turntable 2, whether the panel 43 is arranged on the corresponding feeding mechanism 6 is detected through the detector, if the panel 43 is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed materials; if the detector detects the panel 43, the flexible feeding mechanism 56 is used to clamp the panel 43 and place the panel 43 on the fixture 3, and the convex column 432 of the panel 43 is inserted into the accommodating hole 322, and the hook end 441 of the torsion spring 44 is just hung on the convex column 432, and the next process is proceeded;

s8: the clamp 3 in the S7 continuously rotates to the shaft sleeve feeding mechanism 50 along with the turntable 2, whether a shaft sleeve 42 is arranged on the corresponding feeding mechanism 6 is detected through the detector, if the shaft sleeve 42 is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed materials; after feeding, if the detector detects the shaft sleeve 42, the shaft sleeve 42 is clamped by the shaft sleeve feeding mechanism 50 and sleeved on the upper end of the rotating mandrel 33, and the shaft sleeve is placed on the panel 43 of the clamp 3 and enters the next process;

s9: the clamp 3 in the S8 continuously rotates to the handle moving mechanism 57 along with the turntable 2, whether the handle 41 is arranged on the corresponding feeding mechanism 6 is detected through the detector, if the handle 41 is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed; if the detector detects the handle 41, the handle 41 is clamped by the handle moving mechanism 57, the rotating shaft of the handle 41 is aligned with the upper end of the rotating mandrel 33, the handle 41 is placed on the rotating mandrel 33, the rotating mandrel 33 is pressed down by the handle moving mechanism 57, then the handle 41 and the rotating mandrel 33 are driven by the rotating mechanism 7 positioned below the assembly platform 1 to synchronously rotate horizontally by 90 degrees, the handle 41 and the sleeve move downwards under the action of the handle moving mechanism 57, the handle 41 is installed on the rotating mandrel 33 to form a finished handle lock 4, and the next procedure is carried out;

s10: the jig 3 in S9 continues to rotate to the finished product blanking mechanism 58 along with the turntable 2, so as to take out the assembled handle lock 4 from the corresponding jig 3, and move the rotating spindle 33 on the jig 3, from which the handle lock 4 is removed, to the insertion hole 30 of the jig 3 through the material taking mechanism, and repeat the above steps S1 to S10.

In the step S9, if the handle lock fails to be assembled, the handle lock is a defective product, and the defective product is directly removed by the product discharging mechanism. In addition, in the above steps, when the corresponding component is not detected, the controller sends an alarm signal to prompt a field worker to add the corresponding component to the feeding mechanism 6, at this time, the equipment stops, and after the feeding is finished, the equipment works.

Claims

1. An automatic assembly method of a handle lock is characterized in that: the handle lock (4) is assembled through a handle lock automatic assembly device, the handle lock automatic assembly device comprises a controller and an assembly platform (1), a turntable (2) is arranged on the assembly platform (1), a plurality of working mechanisms are sequentially arranged at the edge adjacent to the turntable (2) and according to the rotating direction of the turntable (2), a feeding mechanism (6) is correspondingly arranged on each working mechanism, each working mechanism is respectively an axial check ring moving mechanism (51), a gasket moving mechanism (52), a rotating mandrel moving mechanism (53), a rotating check ring moving mechanism (54), a torsion spring moving mechanism (55), a feeding mechanism (59), a flexible feeding mechanism (56), a shaft sleeve feeding mechanism (50), a handle moving mechanism (57) and a finished product blanking mechanism (58), and the collected data of the plurality of working mechanisms and the turntable (2) are fed back to the controller, and the controller executes the complete action control;

the clamp (3) used for assembling the handle lock (4) is arranged on the position, corresponding to each working mechanism, of the rotary table (2) respectively, the clamp (3) comprises a base (31), a sleeve (32), a rotary mandrel (33) and a first elastic piece (34) which are fixed on the rotary table (2), an outer cylinder body (311) which extends upwards and is provided with an opening at the upper end is arranged on the base (31), an inner cylinder body (312) which is provided with openings at the upper end and the lower end is arranged in the outer cylinder body (311), a second elastic piece (35) is arranged in the inner cylinder body (312), and an insertion hole (30) used for accommodating the rotary mandrel (33) is further arranged on the base; the sleeve (32) is partially positioned in an annular groove (310) formed between the inner cylinder body (312) and the outer cylinder body (311), the sleeve (32) axially moves relative to the outer cylinder body (311) under the action of the first elastic piece (34), an accommodating groove (321) with two convex angles (3211) is formed in the inner peripheral wall of the sleeve (32), an assembly cavity (300) is formed between the top of the sleeve (32) and the top of the inner cylinder body (312), the accommodating groove (321) is positioned in the assembly cavity (300), an accommodating hole (322) is further formed in the top wall of the sleeve (32), and the accommodating hole (322) is positioned between the two convex angles (3211) and is close to one of the convex angles (3211);

the automatic assembling method of the handle lock (4) comprises the following steps:

s1: the controller controls the rotating disc (2) to rotate, the detector detects whether the corresponding feeding mechanism (6) is provided with the axial retaining ring (47) or not, if the axial retaining ring (47) is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal; if the axial retainer ring (47) is detected, the axial retainer ring moving mechanism (51) acts, clamps the axial retainer ring (47), places the axial retainer ring into the assembly cavity (300) of the corresponding clamp (3), and enters the next procedure;

s2: the clamp (3) in the S1 continuously rotates to the gasket moving mechanism (52) along with the turntable (2), whether the corresponding feeding mechanism (6) has the gasket (46) is detected through the detector, if the gasket (46) is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed; if the gasket (46) is detected, the gasket moving mechanism (52) acts, the gasket (46) is clamped and placed in the assembling cavity (300) of the clamp (3), the gasket (46) is located above the axial retainer ring (47), and the next procedure is carried out;

s3: the clamp (3) in the S2 continues to rotate to the rotating mandrel moving mechanism (53) along with the turntable (2), the rotating mandrel moving mechanism (53) clamps the rotating mandrel (33) on the clamp (3) to the assembly cavity (300) on one side of the clamp (3), and the next procedure is carried out;

s4: the clamp (3) in the S3 continuously rotates to the rotary check ring moving mechanism (54) along with the turntable (2), whether the rotary check ring (45) exists on the corresponding feeding mechanism (6) is detected through the detector, if the rotary check ring (45) is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed; if the rotating check ring (45) is detected, the rotating check ring (45) is clamped and placed in the assembling cavity (300) of the clamp (3) through the rotating check ring moving mechanism (54), and a convex block of the rotating check ring (45) is in sliding fit with a corresponding first guide groove (3311) on the rotating mandrel (33), so that the rotating check ring (45) slides to the upper part of the gasket (46) and enters the next process;

s5: the clamp (3) in the S4 continuously rotates to the torsion spring moving mechanism (55) along with the turntable (2), whether the torsion spring (44) exists on the corresponding feeding mechanism (6) is detected through the detector, if the torsion spring (44) is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed; if the torsion spring (44) is detected, the torsion spring (44) is clamped by the torsion spring moving mechanism (55) and placed in the assembling cavity (300) of the clamp (3), the hook end (441) of the torsion spring (44) is located on the outer edge of the accommodating hole (322), the free end (442) of the torsion spring (44) is limited on the fixing piece (331) of the rotating mandrel (33) and the next procedure is carried out;

s6: the clamp (3) in the S5 continuously rotates along with the turntable (2) to the feeding mechanism (59), the feeding mechanism (59) feeds oil into the assembly cavity (300), the oil feeding amount of the feeding mechanism (59) is adjusted through the adjusting mechanism, and the next process is carried out;

s7: the clamp (3) in the S6 continuously rotates to the flexible feeding mechanism (56) along with the turntable (2), whether a panel (43) is arranged on the corresponding feeding mechanism (6) or not is detected through the detector, if the panel (43) is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed; if the panel (43) is detected, the panel (43) is clamped and placed on the clamp (3) through the flexible feeding mechanism (56), the convex column (432) of the panel (43) is inserted into the accommodating hole (322), the hook end (441) of the torsion spring (44) is just hung on the convex column (432), and the next process is carried out;

s8: the clamp (3) in the S7 continuously rotates to the shaft sleeve feeding mechanism (50) along with the turntable (2), whether a shaft sleeve (42) is arranged on the corresponding feeding mechanism (6) or not is detected through the detector, if the shaft sleeve (42) is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed; if the shaft sleeve (42) is detected, clamping the shaft sleeve (42) by a shaft sleeve feeding mechanism (50) to be sleeved at the upper end of the rotating mandrel (33), placing the shaft sleeve on a panel (43) of the clamp (3), and entering the next procedure;

s9: the clamp (3) in the S8 continuously rotates to the handle moving mechanism (57) along with the turntable (2), whether the handle (41) is arranged on the corresponding feeding mechanism (6) is detected through the detector, if the handle (41) is not detected, the detector transmits a signal to the controller, and the controller sends an alarm signal to prompt a worker to feed; if the handle (41) is detected, the handle (41) is clamped through the handle moving mechanism (57), the rotating shaft of the handle (41) is aligned with the upper end of the rotating mandrel (33), the handle (41) is placed on the rotating mandrel (33), the rotating mandrel (33) is pressed downwards through the handle moving mechanism (57), then the handle (41) and the rotating mandrel (33) are driven to synchronously and horizontally rotate for 90 degrees through the rotating mechanism (7) located below the assembling platform (1), the handle (41) and the sleeve move downwards under the action of the handle moving mechanism (57), the handle (41) is installed on the rotating mandrel (33), a finished product of the hand holding lock (4) is formed, and the next process is carried out;

s10: the clamp (3) in the step S9 continues to rotate to the finished product blanking mechanism (58) along with the turntable (2) and is used for taking the assembled handle lock (4) out of the corresponding clamp (3), moving the rotating mandrel (33) on the clamp (3) with the handle lock (4) removed to the insertion hole (30) of the clamp (3) through the material taking mechanism, and repeating the steps S1-S10.

2. The automatic assembling method of a handle lock according to claim 1, wherein: the handle lock is characterized in that a hook end (441) of the handle lock torsion spring (44) is hung on a convex column (432) of the panel (43), and one of the first guide grooves (3311) is internally provided with an elastic limit part (3310) which limits the free end (442) of the torsion spring (44) to move downwards and can move towards the radial direction of the rotating mandrel (33).

3. The automatic assembling method of a handle lock according to claim 2, wherein: the outer side wall of the elastic limiting part (3310) close to the lower end is provided with a first guide surface (33101) which gradually shrinks inwards from top to bottom.

4. The automatic assembling method of a handle lock according to claim 1, wherein: the lower end of the fixing piece (331) is provided with a second guide surface (3312) which gradually shrinks inwards from top to bottom.

5. The automatic assembling method of a handle lock according to any one of claims 1 to 4, wherein: the flexible feeding mechanism (56) comprises a fixed seat (561) arranged on the assembly platform (1), the fixed seat (561) is provided with a second driving mechanism (562), the second driving mechanism (562) is connected with the clamping device (564) through a swing shaft (563), the clamping device (564) comprises a first clamping jaw (5641), a first finger cylinder (5642) for driving the first clamping jaw (5641) to open and close, a rotating cylinder (5643) for driving the first finger cylinder (5642) to horizontally rotate relative to the assembly platform (1) and a first cylinder (5644) for driving the first finger cylinder (5642) to move up and down, the left and right fingers of the first finger cylinder (5642) are connected with the upper end of the first clamping jaw (5641), the upper end of the first finger cylinder (5642) is connected with the lower end of the rotating cylinder (5643), the upper end of the rotary cylinder (5643) is connected to the first cylinder (5644).

6. The automatic assembling method of a handle lock according to claim 5, wherein: the shape of pendulum shaft (563) is the L type, including vertical pole (5632) and horizontal pole (5631) that link to each other with the upper end of vertical pole (5632), the lower extreme of vertical pole (5632) links to each other with the output drive of second actuating mechanism (562), the other end and the first cylinder (5644) of horizontal pole (5631) are fixed continuous.

7. The automatic assembling method of a handle lock according to claim 1, wherein: the handle moving mechanism (57) comprises a bracket (571), a second clamping jaw (572), a second finger cylinder (573), a double-shaft cylinder (574), a guide rod cylinder (575) and a third driving mechanism (576) are arranged on the bracket (571), the guide rod cylinder (575) is arranged at a position adjacent to the upper end of the double-shaft cylinder (574), and is used for driving the double-shaft air cylinder (574) to move along the radial direction of the turntable (2), the lower end of the double-shaft air cylinder (574) is fixed at the upper end of the third driving mechanism (576) through a connecting piece (570), and drives a third driving mechanism (576) to move up and down, the output end of the third driving mechanism (576) is connected with the upper end of a second finger cylinder (573), and the second finger cylinder (573) is driven to rotate along the axis of the second finger cylinder, and the left and right fingers of the second finger cylinder (573) are connected with the upper end of the second clamping jaw (572).

8. The automatic assembling method of a handle lock according to claim 1, wherein: the axial retainer ring moving mechanism (51), the gasket moving mechanism (52), the rotary mandrel moving mechanism (53), the rotary retainer ring moving mechanism (54), the torsion spring moving mechanism (55) and the shaft sleeve feeding mechanism (50) respectively comprise a bracket (501), a first three-shaft cylinder (502), a sliding table cylinder (503), a third clamping jaw (504) and a third finger cylinder (505) for driving the third clamping jaw (504) to open and close, the left finger and the right finger of the third finger cylinder (505) are connected with the upper end of the third clamping jaw (504), the lower end of the sliding table cylinder (503) is connected with a third finger cylinder (505), and is used for driving a third finger cylinder (505) to move up and down, the first triaxial cylinder (502) is arranged on the bracket (501), and the output end of the first triaxial cylinder (502) is connected with the sliding table cylinder (503), and is used for driving the sliding table cylinder (503) to move along the radial direction of the turntable (2).

9. The automatic assembling method of a handle lock according to claim 1, wherein: finished product unloading mechanism (58) are four-axis robot, and the drive end of this four-axis robot is equipped with fourth finger cylinder (581) and fifth finger cylinder (582) respectively, the drive end of fourth finger cylinder (581) is equipped with and is used for pressing from both sides the fourth clamping jaw of getting finished product handle lock (4), the drive end of fifth finger cylinder (582) is equipped with and is used for moving rotatory dabber (33) to fifth clamping jaw (5821) that are located jack (30) of assembly chamber (300) one side by assembly chamber (300) of anchor clamps (3).

10. The automatic assembling method of a handle lock according to claim 1, wherein: the rotating mechanism (7) comprises a motor (71) and a second triaxial cylinder (72) used for driving the motor (71) to move up and down, the output end of the motor (71) is connected with a rotating cylinder (711) for inserting the lower end of the rotating mandrel (33), and the rotating cylinder and the rotating mandrel (33) synchronously rotate around the axis of the rotating cylinder and the rotating mandrel (33) relative to the outer cylinder body (311) under the driving of the motor (71).