CN207056908U - Hardware dispensing is tightened up a screw with defective products screening system - Google Patents

Abstract

The utility model discloses a kind of hardware dispensing to tighten up a screw with defective products screening system, including assembly fixture, blanking plate and feed tube, blanking plate bottom is sliding combined with material folding plate, material folding front edge of board is fixedly connected with material folding head, it is provided between material folding plate rear end and blanking plate and clamps cylinder, pilot hole is provided with through material folding plate, assembled shaft is provided with above pilot hole, assembled shaft lower end is fixedly connected with assembling screwdriver bit, assembled shaft is connected with assembling power set, corresponding assembled shaft is provided with copper cap clamping apparatus and point glue equipment, in addition to the device for discharging located at assembly fixture side；Screw and copper cap be in place simultaneously in assembling process, after glue is applied on screw by point glue equipment, screw is transferred in copper cap, glue is smeared uniform, the torsion of screw can also detect substandard products in assembling process automatically when being assembled by detecting and Automatic sieve removes, worker's working strength is alleviated, improves product quality.

Description

Hardware dispensing is tightened up a screw with defective products screening system

Technical field

It the utility model is related in the assembly equipment technical field of screw and copper cap, more particularly to a kind of hardware dispensing Screw defective products screening system.

Background technology

In the hardware with pocket knife, jackknife, utility knife etc. for representative processes flow, in order to ensure these Firmness, durability degree and the certain water resistance of hardware, usually need to carry out a little at its screw thread when assembling screw Glue processing, tightly enters screw or sleeve again afterwards.In Traditional Man assembling, process for dispensing glue often efficient low, low precision, glue The problems such as amount is unmanageable, quality is uneven and glue is easily gathered in screw certain.If the dispensing amount of each screw is inconsistent, work The assembling quality of part is just uneven, easily causes that segment screw glue is less, assembling effect is poor, or segment screw glue is excessive Glue is produced to overflow, remain, waste the problems such as glue.

Except dispensing amount is inconsistent, if glue skewness or generation aggregation on screw, enter luggage screwing in screw Timing will cause glue residue in outer surface, assembling after internal sizes water distribution is irregular, screw water resistance is bad, segment screw The problems such as easily getting rusty etc..

Utility model content

Technical problem to be solved in the utility model is to provide simple one kind control, efficiency of assembling height, assembling quality height Hardware dispensing tighten up a screw with defective products screening system.

In order to solve the above technical problems, the technical solution of the utility model is：Hardware dispensing, which is tightened up a screw, uses defective products Screening system, including assembly fixture, that installs on the assembly fixture is used to convey downwards the blanking plate of screw, pacifies on the blanking plate Equipped with the feed tube being connected with feed pipe, the blanking plate bottom is sliding combined with the material folding plate for clamping screw, the folder Flitch front end is fixedly connected with material folding head, is provided between the material folding plate rear end and the blanking plate and clamps cylinder, through described Material folding plate is provided with pilot hole, is provided with assembled shaft above the pilot hole, the assembled shaft lower end is fixedly connected with assembling screwdriver bit, institute State assembled shaft and be connected with assembling power set, copper cap clamping apparatus is provided with below the assembled shaft, the corresponding assembling screwdriver bit is set There are point glue equipment, in addition to the device for discharging located at the assembly fixture side, the corresponding device for discharging hooks up dress provided with substandard products Put, assembling power set, the point glue equipment, the device for discharging and the substandard products pickup gear are respectively connecting to assemble Control device.

As preferable technical scheme, the assembling power set include the assembling electricity of assembled shaft upper end drive connection Anti- floating spring, the assembled shaft and the dress are provided between the power output shaft of machine, the assembled shaft and the assembling motor Gas-distributing motor is installed on the assembly fixture by assembling slide plate slides, and the corresponding assembling slide plate is provided with drive cylinder, the dress Axle sleeve is provided with slide plate, the assembled shaft is set through the axle sleeve.

As preferable technical scheme, the underface slip that the copper cap clamping apparatus includes the assembling screwdriver bit is provided with copper Hatting seat, the copper hatting seat are connected with material seat cylinder, and the copper hatting seat sidepiece slides and is disposed with copper cap holder, each copper Cap holder is correspondingly connected with holder cylinder, and lifting push-and-pull seat is additionally provided with the assembly fixture, and the lifting push-and-pull seat is located at screw With the underface of copper cap assembling position, the bottom of the lifting push-and-pull seat is connected with lift cylinder.

As preferable technical scheme, the point glue equipment is included in the installing plate that the assembly fixture side is provided with, described Dispensing fixed plate is installed with installing plate, is slided with the dispensing fixed plate and is provided with dispensing slide plate, the dispensing fixed plate Point glue cylinder is connected between the dispensing slide plate, the dispensing slide plate bottom is installed with pneumatic glue dispensing valve, the gas Dynamic glue dispensing valve is connected to Jiao Yuan by glue feeding tube, and the sharp mouth of the pneumatic glue dispensing valve is extended at the material folding head.

As preferable technical scheme, the device for discharging includes unloading rack, and the unloading rack is provided with discharge conveyer Device, discharging guide rail is had above the discharge conveyer device, discharging seat, institute are slidably fitted with the discharging guide rail State discharging seat and be connected with discharging seat cylinder, unloading manipulator is installed on the discharging seat, the unloading manipulator connection is organic Tool luck cylinder, the face that clamps of the unloading manipulator are provided with protection glue-line.

As preferable technical scheme, the feed end that the substandard products pickup gear includes the discharge conveyer device is relative Plate is hooked up provided with substandard products, and the substandard products, which hook up plate and are connected with, hooks up cylinder.

As preferable technical scheme, the device for discharging is respectively set to two sets, and in the both sides pair of the assembly fixture Claim arrangement.

By adopting the above-described technical solution, the beneficial effects of the utility model are：Assembly is moved by moving material device Move to the position of lock screw device and point glue equipment and carry out automatic assembling, in assembling process screw and copper cap in place simultaneously, dispensing After glue is applied on screw by device, screw is transferred in copper cap, glue smear it is uniform, in whole process to need manually to Assembly is placed on stock location-plate, other processes are automatically performed, and the torsion of screw can also be examined automatically when being assembled by controlling The substandard products gone out in assembling process, and without leak source glue in assembling process, dispensing amount is balanced, alleviates worker's working strength, improves Product quality.

Brief description of the drawings

The following drawings is only intended to, in doing the utility model schematic illustration and explanation, not limit model of the present utility model Enclose.Wherein：

Fig. 1 is the structural representation of the utility model embodiment；

Fig. 2 is the structural representation of the utility model embodiment lock screw device and point glue equipment；

Fig. 3 is the structural representation of the utility model embodiment screw device and point glue equipment other direction；

Fig. 4 is the rearview of the utility model embodiment lock screw device and point glue equipment；

Fig. 5 is the structural representation of the utility model embodiment device for discharging；

Fig. 6 is the structural representation of the utility model embodiment device for discharging other direction；

In figure：1- assembly fixtures；2- assembly bench；3- blanking plates；4- screws；5- feed tubes；6- material folding plates；7- material folding heads；8- Clamp cylinder；9- assembled shafts；10- assembles screwdriver bit；11- stock shelfs；12- screw loaders；13- copper cap loaders；14- assembling electricity Machine；The anti-floating springs of 15-；16- assembles slide plate；17- drive cylinders；18- copper hatting seats；19- expects seat cylinder；20- lifts push-and-pull Seat；21- lift cylinders；22- unloading racks；23- discharge conveyer devices；24- discharging guide rails；25- discharging seats；26- discharging seat gas Cylinder；27- unloading manipulators；271- geometrical clamps；272- activity folders；273- guide plates；274- manipulator cylinders；28- protects glue-line； 29- substandard products hook up plate；30- hooks up cylinder；31- copper caps；32- copper cap holders；33- holder cylinders；34- installing plates；35- dispensings are consolidated Fixed board；36- dispensing slide plates；37- point glue cylinders；The pneumatic glue dispensing valves of 38-；39- assembles control device.

Embodiment

With reference to the accompanying drawings and examples, the utility model is expanded on further.In the following detailed description, only pass through Bright mode describes some one exemplary embodiments of the present utility model.Undoubtedly, one of ordinary skill in the art can be with Recognize, can be with a variety of modes to described in the case of without departing from spirit and scope of the present utility model Embodiment is modified.Therefore, accompanying drawing and description are inherently illustrative, rather than for limiting the protection of claim Scope.

As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, hardware dispensing is tightened up a screw with defective products screening system, bag Assembly fixture 1 is included, the assembly fixture 1 is fixedly installed on assembly bench 2, and that is installed on the assembly fixture 1 is used for conveying screw 4 downwards Blanking plate 3, the blanking plate 3 is used to, to assembling position conveying screw 4, be provided with what is be connected with feed pipe on the blanking plate 3 Feed tube 5, the bottom of blanking plate 3 are sliding combined with the material folding plate 6 for clamping screw 4, and the front end of material folding plate 6, which is fixed, to be connected Material folding first 7 is connected to, is provided between the rear end of material folding plate 6 and the blanking plate 3 and clamps cylinder 7, be provided with through the material folding plate 6 Pilot hole, the cylinder 7 that clamps can drive the blanking plate 3 to move back and forth along the material folding plate 6, when the feed tube 5 When being directed at the pilot hole, the screw 4 in the feed tube 5 is just automatically into in the material folding plate 6, to wait and copper Cap 31 is assembled.

As shown in Figure 2, Figure 3 and Figure 4, assembled shaft 9 is provided with above the pilot hole, the lower end of assembled shaft 9, which is fixed, to be connected Assembling screwdriver bit 10 is connected to, the assembled shaft 9 is connected with assembling power set.It is located at the side of the assembly fixture 1 on the assembly bench 2 Portion is provided with stock shelf 11, and screw loader 12 and copper cap loader 13, the screw loader are disposed with the stock shelf 11 12 are connected to the feed tube 5 by feed pipe, and the copper cap loader 13 is connected to the copper cap by feed pipe and clamps dress To put, the screw loader 12 and the copper cap loader 13 are used to assemble the screw 4 and copper cap 31 used to the conveying of assembling position, And both are the content known to those of ordinary skill in the art, are no longer described in detail herein.Described in the present embodiment The feeding of screw 4 and the copper cap 31 is to carry out conveying feeding by pipeline, so as to ensure the screw 4 and the copper cap 31 direction will not produce upset.

Specifically, as shown in Figure 2, Figure 3 and Figure 4, the assembling power set are connected including the upper end of assembled shaft 9 Assembling motor 14, the assembled shaft 9 and it is described assembling motor 14 power output shaft between be provided with anti-floating spring 15, this prevent Floating spring 15 can ensure assembling 10 non-slip, the not take-off of screwdriver bit when the screw 4 assembles, and ensure smoothly entering for assembling OK.The assembled shaft 9 is slidably mounted on the assembly fixture 1 with the assembling motor 14 by assembling slide plate 16, described in correspondence Assembling slide plate 16 is provided with drive cylinder 17, and the assembling slide plate 16 can connect multiple drive cylinders 1735, to ensure that its is smooth Operation up and down, the drive cylinder 17 can drive it is described assembling slide plate 16 move up and down, when 4 feeding of screw, institute Stating drive cylinder 17 pulls the assembling slide plate 16 to move up, to facilitate moving ahead for the feed tube 5, when there is the screw 4 Enter in the pilot hole and after the return of feed tube 5, the drive cylinder 17 pulls the assembling slide plate 16 to moving down It is dynamic, make lower end and the tip contact of the screw 4 of the assembling screwdriver bit 10, prepare to match somebody with somebody the progress of screw 4 rotating dress.The dress Axle sleeve is provided with slide plate 16, the assembled shaft 9 is set through the axle sleeve, and the axle sleeve can ensure that the assembled shaft 9 is smooth Slide up and down while also rotated without prejudice to the assembled shaft 9.

Copper cap clamping apparatus is provided with below the assembled shaft 9, the copper cap clamping apparatus of the present embodiment is including described The underface of assembling screwdriver bit 10, which is slided, is provided with copper hatting seat 18, and the copper hatting seat 18 is connected with material seat cylinder 19, the copper cap Material seat 18 sidepiece, which slides, is disposed with copper cap holder 32, and each copper cap holder 32 is corresponding to be connected with holder cylinder 33, the assembling Lifting push-and-pull seat 20 is additionally provided with frame 1, the lifting push-and-pull seat 20 assembles the underface of position located at screw 4 with copper cap 31, described The bottom of lifting push-and-pull seat 20 is connected with lift cylinder 21.After the feeding of copper cap 31, in the copper cap holder 32 and the copper Under the cooperation of hatting seat 18, fixation is clamped using each cylinder, and the lift cylinder 21 can promote the lifting push-and-pull seat 20 move up, and making it, convenient to be assembled with outside, after the completion of assembling, the lift cylinder 21 drives described close to the screw 4 Lift the return of push-and-pull seat 20.

The corresponding assembling screwdriver bit 10 is provided with point glue equipment, and the point glue equipment is included in the side of assembly fixture 1 and is provided with Installing plate 34, be installed with dispensing fixed plate 35 on the installing plate 34, slided with the dispensing fixed plate 35 and be provided with point Glue slide plate 36, point glue cylinder 37, the dispensing slide plate 36 are connected between the dispensing fixed plate 35 and the dispensing slide plate 36 Bottom is installed with pneumatic glue dispensing valve 38, and the pneumatic glue dispensing valve 38 is connected to the glue storehouse, the gas by glue feeding tube The sharp mouth of dynamic glue dispensing valve 38 is extended at the material folding first 7.While the assembled shaft 9 drives the rotating dress of screw 4 to match somebody with somebody, The pneumatic glue dispensing valve 38 is opened, and glue is coated in the surface of the screw 4, so as to realize the uniform smearing of glue.

As shown in Fig. 1, Fig. 5 and Fig. 6, in addition to the device for discharging located at the side of assembly fixture 1, the device for discharging bag Unloading rack 22 is included, the unloading rack 22 is provided with discharge conveyer device 23, and the discharge conveyer device 23 mainly includes passing The structures such as band, live-roller and transmission motor are sent, the top of the discharge conveyer device 23 has discharging guide rail 24, described It is slidably fitted with discharging seat 25 on discharging guide rail 24, the discharging seat 25 is connected with discharging seat cylinder 26, on the discharging seat 25 Unloading manipulator 27 is installed, the unloading manipulator 27 is connected with manipulator cylinder 274, and the unloading manipulator 27 clamps Face is provided with protection glue-line 28.The discharging seat 25 can be along the discharging guide rail under the drive of the discharging seat cylinder 26 24 move back and forth.The protection glue-line 28 can protect the surface of assembly, prevent its surface from cut occur, so as to keep assembling External sight is more perfect.

It is additionally provided between the device for discharging and the assembly fixture 1 for the shifting material device of assembling position feeding, assembling After the completion of, the material device that moves carries assembly together return, coordinates the device for discharging to carry out discharging.Described move expects that device can So that using conventional structure, special shifting material structure can also be designed.After the completion of assembly assembling, the material device that moves drives dress Part return, the discharging seat 25 moves material device movement under the drive of the discharging seat cylinder 26 towards described, in the machine Under the cooperation of tool luck cylinder 274 and the unloading manipulator 27, the material folding action before discharging is completed, the unloading manipulator 27 presss from both sides After handling the assembly, the top of the conveyer belt is displaced downwardly in the drive of the discharging seat cylinder 26, by described in control Manipulator cylinder 274 makes the unloading manipulator 27 discharge assembly, and assembly is freely dropped on the conveyer belt, in the biography Send and complete discharging under the drive of band.

The unloading manipulator 27 mainly includes a geometrical clamp 271 and an activity folder 272, on the geometrical clamp 271 Guide plate 273 is installed with, the guide plate 273 presss from both sides 272 through the activity and set, the activity folder 272 and the machine Tool luck cylinder 274 connects, and under the drive of the manipulator cylinder 274, the activity folder 272 moves up and down, with the fixation Folder 271 coordinates, and completes clamping and the action of release assembly.

The corresponding device for discharging is provided with substandard products pickup gear, and the substandard products pickup gear fills including the discharge conveyer Put 23 feed end it is relative hook up plate 29 provided with substandard products, the substandard products, which hook up plate 29 and are connected with, hooks up cylinder 30, in assembling process In, the present apparatus can complete automatic detection, when detecting defect ware, cylinder 30 is hooked up described in startup and is acted, and drive described time Product hook up plate 29 and moved along the direction that conveyer belt exports, and the substandard products is hooked up the outside that plate 29 is moved to discharge level, when residual When substandard products discharging is fallen on the conveyer belt, the cylinder 30 that hooks up drives the substandard products to hook up the return of plate 29, by defect ware from Push and on conveyer belt, complete selecting for defect ware.

In order to improve efficiency of assembling, the shifting material device, the device for discharging and the substandard products of the present embodiment hook up dress Put and be respectively set to two sets, and be arranged symmetrically in the both sides of the assembly fixture 1, the assembling control device 39 is by controlling two sets Assembling scheme is alternately.When side, assembly assembles, operating personnel can place opposite side another assembly, Etc. to be assembled.The alternating that both sides assembly can be completed using the present embodiment is assembled, so as to farthest improve efficiency of assembling.

As shown in figure 1, it is also equipped with assembling control device 39, the assembling power set, the point on the assembly bench 2 Adhesive dispenser, the device for discharging and the substandard products pickup gear are respectively connecting to assemble control device 39.The assembling control dress The 39 assembling control computers for including being fixedly mounted on the assembly bench 2 are put, installation is corresponded to respectively on the supply air line of each cylinder There is magnetic valve, the assembling control computer is respectively connecting to each magnetic valve.It is provided with the assembling control computer special For monitoring each cylinder, motor and the control program of valve, their working time and delay time can also be controlled by setting, So as to coordinate assembling to act.

The utility model further relates to the method for work of said system, comprises the following steps,

Step 1: the setting of assembly parameter

The adjustable assembling window that assembly parameter is set is provided with the assembling control device 39, design parameter is set For：Screw rotary speed is A r/s, and the number of turns for rotating the screw is enclosed for B, and screw quantity is N number of, and screw torsion value is that F is mono- Position, the screw torsion value are by being realized to the parameter detecting of the assembling motor；

Set on the assembling control device 39 and be using point glue equipment progress parameter for dispensing glue：The dispensing time is grown To spend for C s, dispensing amount be D ml, dispensing action starts compared with screw spinning movement delay E s；

Described A, B, C, D, E, F, N are respectively adjustable settings parameter.Such as assembling long 13.1cm, wide 3.4cm not During regular strip jackknife shell, main assembly work parameter is：Screw rotary speed is 1r/s, rotates the circle of the screw Number for 30 circle, dispensing time span is 0.1s, dispensing amount 0.02ml, dispensing action compared with screw spinning movement delay 0.2s open It is dynamic.Assembled afterwards by the cooperation of the lock screw device and the point glue equipment in place in screw, equipment performs processing ginseng Product is obtained after the completion of number assembling, appearance the problems such as without leak source glue, excessive glue is found by the sampling observation to product；Again for example for Long 11.5cm, wide 3.2cm irregular oval utility knife shell are assembled, main assembly work parameter is：Screw rotation speed Spend for 1r/s, the number of turns for rotating the screw is 60 circles, dispensing time span is 0.2s, dispensing amount 0.02ml, dispensing action Start compared with screw spinning movement delay 0.2s.Pass through the cooperation of the lock screw device and the point glue equipment afterwards in place in screw Assembled, equipment obtains product after the completion of performing machined parameters assembling, is found by the sampling observation to product without leak source glue, excessive glue The problems such as appearance.

Step 2: assembling

By above-mentioned each parameter setting, the assembling control device 39, which controls, described to be clamped cylinder 7 and drives the material folding plate 6 Carry out taking screw 4 with the feed tube 5, screw 4 is entered to assembling position, the material seat cylinder 19 passes through the copper hatting seat 18 Carry out taking copper cap 31, and the copper cap 31 is clamped by fixation, the liter by the holder cylinder 33 and the copper cap holder 32 Sending down abnormally ascending cylinder 21 promotes the lifting push-and-pull seat 20 to drive the copper cap 31 to rise to assembling position, starts the assembling motor 14 and drives The assembling screwdriver bit 10 rotates, while the drive cylinder 17 drives the assembling slide plate 16 to screw in the screw 4 to described In copper cap 31；After dispensing delay time arrives, the assembling control device 39 controls the point glue cylinder 37 to act, and passes through the point The glue-extruding end of the pneumatic glue dispensing valve 38 is delivered to assembling position by glue slide plate 36, and dispensing is carried out to the surface of screw 4 of rotation；

Step 3: the detection of non-defective unit, substandard products judges

In step 2 carries out assembling process, assembly parameter is detected in real time, i.e. screw rotary speed is A r/s, rotates institute The number of turns for stating screw is enclosed for B, and screw quantity is N number of, and screw torsion value is F units, when the moment of torsion for detecting the assembling motor 14 Value is consistent with setting value, then is determined as non-defective unit by the assembling control device 39；When the detection assembling motor 14 Torque value is inconsistent with setting value, then is determined as substandard products by the assembling control device 39, passes through the assembling control device 39 are stored result of determination.

Specifically, the lock screw number of turns is first set before assembling processing is carried out, and (the setting number of turns would generally slightly more than actual circle Number) and torsion upper limit size.When screw installation step is carried out, that is, assemble screwdriver bit 10 and start to carry out locking screw step downwards When, if torsion complete set lock the screw number of turns before, and only shift to an earlier date a small amount of number of turns when reach the torsion upper limit, then terminate lock screw move Make, product is determined as non-defective unit；If torsion prematurely reaches the default torsion upper limit, it is determined as that (screw dislocation, screw block defective products Situations such as)；If torsion still fails to reach preset torque value after completing to set the lock screw number of turns, it is determined as that defective products (occurs Situations such as sliding tooth, leakage screw, leakage copper son's sleeve).

After detecting torsion exception, signal can be passed to the servo controller of the assembling motor 14, then watched by described Take controller be transferred to the assembling control device 39 (could be arranged to programmed logic controller, control complete equipment, equivalent to The CPU of equipment), the assembling control device 39 assigns instruction to software, carries out follow-up defective products discharge work and is remembered Record.

Step 4: discharging

When being determined as non-defective unit, into this step, the band of discharging seat cylinder 26 is controlled by the assembling control device 39 Move the discharging seat 25 to move towards the direction of the point glue equipment, tool assembly body is removed according to unloading work parameter, utilize The unloading manipulator 27 is transferred to the top of the discharge conveyer device 23 and release, makes the cutter freely falling body assembled On to the discharge conveyer device 23, outwards conveyed by the discharge conveyer device 23；

When being determined as substandard products, into this step, controlled by the assembling control device 39 and hook up cylinder 30 described in starting, The substandard products is hooked up the exit side that plate 29 extends to discharge level, the discharging is then controlled by the assembling control device 39 Seat cylinder 26 drives the discharging seat 25 to be moved towards the direction of the point glue equipment, removes tool assembly body, is unloaded using described Material manipulator 27 is transferred to top and the release of the discharge conveyer device 23, makes the cutter freely falling body that assembles to described On discharge conveyer device 23, now the assembling control device 39 start herein described in hook up cylinder 30 and drive the substandard products hook Take the return of plate 29, during return, substandard products are risen to the bait from the discharge conveyer device 23 and taken off, complete tool assembly body Fittage.

Before being assembled, assembly is delivered into assembling position using material device is moved, after assembling, expects device in described move Under return, assembly return is driven, to wait discharging.

The position that assembly is moved to lock screw device and point glue equipment by shifting material device by the utility model is carried out certainly Dynamic assembling, screw in place, after glue is applied on screw by point glue equipment, is transferred to copper by screw and copper cap simultaneously in assembling process In cap, glue is smeared uniform, and to needing manually to assembly is placed on stock location-plate in whole process, other processes are automatic To complete, the torsion of screw can also detect the substandard products in assembling process automatically when being assembled by controlling, and without leak source in assembling process Glue, dispensing amount is balanced, alleviates worker's working strength, improves product quality.

The advantages of general principle of the present utility model, principal character and the utility model has been shown and described above.One's own profession The technical staff of industry is it should be appreciated that the utility model is not restricted to the described embodiments, described in above-described embodiment and specification Simply illustrate principle of the present utility model, on the premise of the spirit and scope of the utility model is not departed from, the utility model is also Various changes and modifications are had, these changes and improvements are both fallen within claimed the scope of the utility model.The utility model Claimed scope is by appended claims and its equivalent thereof.

Claims (7)

1. hardware dispensing is tightened up a screw with defective products screening system, it is characterised in that：Including assembly fixture, pacify on the assembly fixture Dress is used for the downward blanking plate for conveying screw, and the feed tube being connected with feed pipe, the blanking are provided with the blanking plate Plate bottom is sliding combined with the material folding plate for clamping screw, and the material folding front edge of board is fixedly connected with material folding head, the material folding It is provided between plate rear end and the blanking plate and clamps cylinder, is provided with pilot hole through the material folding plate, is set above the pilot hole There is assembled shaft, the assembled shaft lower end is fixedly connected with assembling screwdriver bit, and the assembled shaft is connected with assembling power set, the dress With copper cap clamping apparatus is provided with below axle, the corresponding assembling screwdriver bit is provided with point glue equipment, in addition to is located at the assembly fixture one The device for discharging of side, the corresponding device for discharging are provided with substandard products pickup gear, it is described assemble power set, the point glue equipment, The device for discharging and the substandard products pickup gear are respectively connecting to assemble control device.

2. hardware dispensing as claimed in claim 1 is tightened up a screw with defective products screening system, it is characterised in that：The assembling Power set include the assembling motor of assembled shaft upper end drive connection, and the assembled shaft and the power of the assembling motor are defeated Anti- floating spring is provided between shaft, the assembled shaft is installed on the assembling with the assembling motor by assembling slide plate slides On frame, the corresponding assembling slide plate is provided with drive cylinder, and the assembling slide plate is provided with axle sleeve, and the assembled shaft runs through the axle Set is set.

3. hardware dispensing as claimed in claim 2 is tightened up a screw with defective products screening system, it is characterised in that：The copper cap The underface slip that clamping apparatus includes the assembling screwdriver bit is provided with copper hatting seat, and the copper hatting seat is connected with material seat cylinder, The copper hatting seat sidepiece slides and is disposed with copper cap holder, and each copper cap holder is correspondingly connected with holder cylinder, the assembling Lifting push-and-pull seat is additionally provided with frame, the lifting push-and-pull seat is located at screw and the underface of copper cap assembling position, the lifting push-and-pull The bottom of seat is connected with lift cylinder.

4. hardware dispensing as claimed in claim 3 is tightened up a screw with defective products screening system, it is characterised in that：The dispensing Device is included in the installing plate that the assembly fixture side is provided with, and dispensing fixed plate is installed with the installing plate, and described Dispensing fixed plate is slided and is provided with dispensing slide plate, is connected with point glue cylinder between the dispensing fixed plate and the dispensing slide plate, institute State dispensing slide plate bottom and be installed with pneumatic glue dispensing valve, the pneumatic glue dispensing valve is connected to Jiao Yuan, the gas by glue feeding tube The sharp mouth of dynamic glue dispensing valve is extended at the material folding head.

5. hardware dispensing as claimed in claim 1 is tightened up a screw with defective products screening system, it is characterised in that：The discharging Device includes unloading rack, and the unloading rack is provided with discharge conveyer device, had above the discharge conveyer device Discharging guide rail, discharging seat is slidably fitted with the discharging guide rail, the discharging seat is connected with discharging seat cylinder, the discharging seat On unloading manipulator is installed, the unloading manipulator is connected with manipulator cylinder, and clamping for the unloading manipulator is set on face There is protection glue-line.

6. hardware dispensing as claimed in claim 5 is tightened up a screw with defective products screening system, it is characterised in that：The substandard products The feed end that pickup gear includes the discharge conveyer device hooks up plate provided with substandard products relatively, and the substandard products hook up plate and are connected with Hook up cylinder.

7. hardware dispensing as claimed in claim 6 is tightened up a screw with defective products screening system, it is characterised in that：The discharging Device is respectively set to two sets, and is arranged symmetrically in the both sides of the assembly fixture.