CN208766064U - Rotary pendulum mechanism of an automatic bending tester - Google Patents

Abstract

The utility model discloses a rotary swing mechanism of an automatic winding tester, which comprises a supporting seat, wherein a vertical top end of the supporting seat is provided with a rotating device which is longitudinally arranged, the rotating device is in transmission connection with a swing arm, and the rotating device can transmit the swing arm to swing between a test starting point and a test left boundary point and/or a test right boundary point of the winding tester; the swing arm is provided with a sliding groove, a clamping jaw assembly capable of moving along the sliding groove is arranged in the sliding groove, two clamping jaws of the clamping jaw assembly can move oppositely along the transverse direction to clamp or loosen a metal wire to be tested, and the clamping jaw assembly is driven by the swing arm to swing between a test starting point and a test left boundary point and/or a test right boundary point of the winding tester to be matched with and clamp the metal wire to be tested to swing. The utility model discloses a revolve pendulum mechanism simple structure, degree of automation height, swing angle precision height, equipment cost hang down.

Description

A kind of cycloidal mechanism of automatic flexing tester

Technical field

The utility model relates to doll security performance test equipment technologies, more particularly to a kind of automatic flexing tester Cycloidal mechanism.

Background technique

In order to make the happy growth of children, in addition to the care and company of household, in daily, we are usually selected as child and mention For some toys, by toy make child oneself or with junior partner is happy plays.In existing toy art, toy includes cloth Even toy, anti-raw toy, educational toy, intelligent toy etc..Existing toy is in processing, it is often necessary to composition toy body Part be filled, as fill lint, metal wire, especially toy joint type component between connection, it is often necessary to pass through Metal wire is attached, so that toy be kept to have certain mobility.But it, usually can be right during child uses toy Arm, leg, the limbs of toy are pullled, screw or mouth is stung, so, can screwing and pullling because of transition, the connection that rises that can make makees Metal wire is broken because of fatigue, to make internal filling expose, or inner wire punctures outside the cloth of toy Table and extend out to off-balancesheet outside toy, children further be applicable in toy during, children can be caused with actual bodily harm even Life danger.For child safety, processing and safe handling for toy, existing main standard have the U.S. to carry out The EN71-1 that ASTM F963 and European Union carry out needs the toy and each component to processing to meet above-mentioned relevant criterion Carry out dependence test.And it is existing in, for the artificial carry out flexing test that the metal wire that is filled in toy uses, that is, logical The other end that stationary fixture grips metal wire to be measured is crossed, the other end is clamped by floating holder, is then being matched close angle Whether scale deflects certain number and detects metal wire and be broken and complete to detect to carry out the deflection of special angle, so needs Want centainly artificial that could complete to measure accordingly, and labor intensity is big, the consistency of test result cannot be guaranteed.

Therefore, not yet there is preferable technical solution in existing and solve the instrument and the matching that manually carry out flexing test Cycloidal mechanism.

Utility model content

The technical problems to be solved in the utility model is to provide a kind of structure for defect present in existing design technology Simply, the cycloidal mechanism of high degree of automation and swing angle automatic flexing tester with high accuracy.

To solve above-mentioned technical problem, it is as follows to provide a kind of technical solution for the utility model: a kind of automatic flexing tester Cycloidal mechanism, including support base, the vertical top of support base sets the rotating device longitudinally installed, rotating device transmission connection Swing arm, the rotating device can be driven the swing arm in the test starting point of flexing tester and test left margin point and/or survey It is swung between examination right margin point；The swing arm is formed with sliding slot, and the clip claw assembly that can be moved along the chute is installed in the sliding slot, described Two clamping jaws of clip claw assembly can move towards and clamp or release metal wire to be tested in transverse direction, and the clip claw assembly is by institute Swing arm drive is stated to swing between the test starting point of flexing tester and test left margin point and/or test right margin point, Matching clamping is swung to side metal wire.

It is further described as to above-mentioned technical proposal:

In the above-mentioned technical solutions, the support base is " L " type support base.

In the above-mentioned technical solutions, the lower end that the rotating device is connect with swing arm is matched on described " L " the type support base to set Initial point detection sensor, the initial point detection sensor are located in position in test initial point position, " L " the type support base The both ends of upper concordant rotating device transverse direction are arranged oppositely limit switch, and two limit switches are located at left margin in position On point and right margin point, the initial point detection sensor is clicked through for being located at or being repositioned to test starting to swing arm and clip claw assembly Row detection, two limit switches are used to detecting and limiting swing arm and clip claw assembly is rocked to left margin point or right margin point.

In the above-mentioned technical solutions, the initial point detection sensor is NPN zero-bit optoelectronic switch.

In the above-mentioned technical solutions, the initial point detection sensor and two limit switches are arranged to positive triangle in position Shape.

In the above-mentioned technical solutions, the rotating device includes driving motor and speed reducer, and the speed reducer passes through flange It is installed in the vertical top of the support base and is vertically arranged with support base holding, the output shaft of the speed reducer runs through the support Affixed with the crank of the swing arm after seat and stretching, the speed reducer is also sequentially connected with the driving motor vertically installed, described Driving motor is rotated through swing arm described in speed reducer drive, and it is left in test starting point and test to match the rotating device transmission swing arm It is swung between boundary point and/or test right margin point.

In the above-mentioned technical solutions, the driving motor is stepper motor, and the speed reducer is corner gear reduction unit.

In the above-mentioned technical solutions, the clip claw assembly includes U-shaped mounting base, and a longitudinally disposed bolt passes through the cunning It is connect after slot with the U-shaped mounting base, the U-shaped mounting base is enable to slide along the sliding slot, before the U-shaped mounting base is longitudinal End sets the clamping jaw seat being laterally extended, and two clamping jaw installation positions is formed on the clamping jaw seat, two clamping jaws are actively installed on matched peace It installs in dress position and longitudinally, a screw rod with two reverse thread portions is laterally threaded through on the clamping jaw seat and makes its two threaded portion It is spirally connected respectively with two clamping jaws, one end of the screw rod transverse direction also sets the clamping jaw knob being spirally connected therewith, the clamping jaw knob energy It is driven the screw rod rotation, and moves towards two clamping jaws in transverse direction, two clamping jaws for matching the clip claw assembly can be opposite It moves and clamp or release metal wire to be tested.

The utility model has the beneficial effects that: the utility model has unidirectional adjustable jaw knob by setting and can be horizontal Clamping metal wire to be measured is matched to clip claw assembly that is mobile and swinging in vertical plane, clamping jaw is being driven by rotating device Component clip claw assembly is swung and is matched the test of automatic flexing tester by set angle；The cycloidal mechanism structure of the utility model Simply, high degree of automation, swing angle precision height, equipment cost are low.

Detailed description of the invention

Fig. 1 is the perspective view of the utility model；

Fig. 2 is the perspective view of the utility model clip claw assembly；

Fig. 3 is the exploded view of Fig. 2.

In figure, 1. support bases, 2. rotating devices, 21. driving motors, 22. speed reducers, 23. flanges；3. swing arm, 31. is bent Handle, 32. square bodies, 301. sliding slots；4. clip claw assembly, 41. clamping jaws, 42.U type mounting base, 43. bolts, 44. clamping jaw seats, 45. Screw rod, 46. clamping jaw knobs, 441. clamping jaw installation positions；5. initial point detection sensor.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.

It is exemplary by reference to the embodiment that attached drawing describes, it is intended to for explaining the application, and should not be understood as pair The limitation of the application.In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise " be based on the orientation or positional relationship shown in the drawings, be only for Convenient for description the application and simplify description, rather than the device or element of indication or suggestion meaning there must be specific side Position is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second " It is used for description purposes only, is not understood to indicate or imply relative importance or implicitly indicates indicated technical characteristic Quantity.Thus, define " first ", the feature of " second " can explicitly or implicitly include one or more spy Sign.In the description of the present application, " several ", the meaning of " plurality " is two or more, unless otherwise clearly specific It limits.Unless otherwise clearly defined and limited, in this application, the arts such as term " installation ", " connected ", " connection ", " fixation " Language shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can be machinery Connection, is also possible to be electrically connected；It can be directly connected, two elements can also be can be indirectly connected through an intermediary Internal connection.For the ordinary skill in the art, above-mentioned term can be understood in the application as the case may be In concrete meaning.Unless otherwise clearly defined and limited, in this application, fisrt feature the "upper" of second feature or it "lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to Cross the other characterisation contact between them.And fisrt feature includes above the second feature " above ", " above " and " above " One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special Sign includes fisrt feature right above second feature and oblique upper under the second feature " below ", " below " and " below ", or only Indicate that first feature horizontal height is less than second feature.

With reference to attached drawing 1-3, a kind of cycloidal mechanism of automatic flexing tester, the rotating mechanism is located at automatic flexing tester Pedestal on, including support base 1, in the present embodiment, the support base 1 are " L " type support base, the vertical (Z of the support base 1 To) top sets the rotating device 2 that longitudinal direction (Y) is installed, that is, rotating device 2 is that opposite " L " type support base 1 is vertical；It is described The swing arm 3 of output shaft transmission connection " L " type of rotating device 2, in practice, the swing arm 3 for being somebody's turn to do " L " type includes cylindrical crank 31 With square body 32, the sliding slot 301 of racetrack is formed in the square body 32；The rotating device 2 can be driven the swing arm 3 and exist It is swung between test starting point (vertical direction, test zero point) and test left margin point and/or test right margin point, the swing arm The clip claw assembly 4 that can be slided along sliding slot 301 of the system in swing arm 3 and swing arm 3 is followed to swing together, the clip claw assembly 4 are set on 3 Two clamping jaws 41 can transversely move towards and clamp or release metal wire to be tested in (X-direction) direction, the clip claw assembly 4 by The swing arm 3 drives puts between the test starting point of flexing tester and test left margin point and/or test right margin point Dynamic, matching clamping is swung to side metal wire；In the present embodiment, the rotating device is matched on described " L " the type support base 1 2 lower ends connecting with swing arm 3 set initial point detection sensor 5, and in the present embodiment, the initial point detection sensor 5 is NPN zero-bit Optoelectronic switch, the initial point detection sensor 5 are located in position in test initial point position, or are located at and test starting point On same vertical straight line, the lateral both ends of concordant rotating device 2 are arranged oppositely limit and open on " L " the type support base 1 (attached drawing is not shown, uses optoelectronic switch in practice) is closed, two limit switches are located at test left margin point in position On test right margin point, meanwhile, the initial point detection sensor 5 and two limit switches are arranged to positive triangle in position Shape, that is, the initial point detection sensor 5 and two limit switches are located on three vertex of equilateral triangle, in function On, the initial point detection sensor 5 is used to test whether swing arm 3 and clip claw assembly 4 are located at test starting point or are returned to Initial point is monitored, and two limit switches are used to whether be rocked to swing arm 3 and clip claw assembly 4 test left margin point or test Right margin point is monitored, or restriction swing arm 3 and clip claw assembly 4 show test left margin point and test right margin point；In this reality It applies in example, the rotating device 2 includes driving motor 21 and speed reducer 22, and the driving motor 21 is stepper motor, described to subtract Fast machine 22 is corner gear reduction unit, and rotating device 2 is that 60 stepper motor of individual event matches 1:5 corner The gear deceleration unit in practice At the speed reducer 22 is installed in the vertical top of " L " the type support base 1 by flange 23 and keeps hanging down with " L " type support base 1 Straight setting, the output shaft of the speed reducer 22 longitudinally run through the crank after " L " the type support base 1 and stretching with the swing arm 3 31 is affixed, and in practice, the output shaft of 31 speed reducer 22 of crank docks, and is then locked by screw, the speed reducer 22 also with erect It is sequentially connected to the driving motor 21 installed, the driving motor 21 is driven the swing arm 3 through speed reducer 22 and rotates, described in matching Rotating device 2 is driven swing arm 3 and drives clip claw assembly 4 in test starting point and test left margin point and/or survey between right margin point It swings；In the present embodiment, the clip claw assembly 4 includes also U-shaped mounting base 42, and a longitudinally disposed bolt 43 passes through the cunning It is connect after slot 301 with the U-shaped mounting base 42, the U-shaped mounting base 42 is enable to slide along the sliding slot 301, it is in practice, so-called U-shaped mounting base 42 can be slided along the sliding slot 301 to be referred to through the elastic bolt 43, to make longitudinal freedom of bolt 43 Degree be greater than swing arm 3 thickness, so by manually adjust bolt 43 be allowed to along the chute 301 slide and slide to corresponding position, It 301 can be slided along the chute with U-shaped mounting base 42, after sliding into corresponding position, clamping screw 43, thus by U-shaped mounting base 42 It is fixed on corresponding position；The front end of the U-shaped mounting base 42 longitudinal (Y-direction) sets the clamping jaw seat 44 that transverse direction (X to) extends, real In border, which is U-shaped folder pawl seat, and two clamping jaw installation positions 441 are formed on the clamping jaw seat 44, and two clamping jaws 41 are living It is dynamic to be located in matched installation position 441 and longitudinally install, a screw rod with two reverse thread portions (threaded portion I and threaded portion II) 45 laterally be threaded through on the clamping jaw seat 44 and make its two threaded portion (threaded portion I and threaded portion II) respectively with two clamping jaws 41 It is spirally connected, the lateral one end of the screw rod 45 also sets the clamping jaw knob 46 being spirally connected therewith, and the clamping jaw knob 46 can be driven the spiral shell Bar 45 rotates, and moves towards two clamping jaws 41 in transverse direction, and two clamping jaws 41 for matching the clip claw assembly 4 can move towards And clamp or release metal wire to be tested.

The above is only the utility model preferred embodiment, is not made in any form to the utility model Limitation, although the utility model is disclosed above in the preferred embodiment, however is not intended to limit the utility model, any to be familiar with sheet Technical professional is not departing within the scope of technical solutions of the utility model, makes when using the technology contents of the disclosure above A little change or the equivalent embodiment for being modified to equivalent variations, but it is all without departing from the content of the technical scheme of the utility model, foundation The utility model technology refers to any simple modification, equivalent change and modification to the above embodiments, belongs to practical In the range of new technique scheme.

Claims (8)

1. a kind of cycloidal mechanism of automatic flexing tester, the rotating mechanism are located on the pedestal of automatic flexing tester, special Sign is, including support base, and the vertical top of support base sets the rotating device longitudinally installed, rotating device transmission connection pendulum Arm, the rotating device can be driven the swing arm in the test starting point of flexing tester and test left margin point and/or test It is swung between right margin point；The swing arm is formed with sliding slot, and the clip claw assembly that can be moved along the chute, the folder are installed in the sliding slot Two clamping jaws of claw assembly can move towards and clamp or release metal wire to be tested in transverse direction, and the clip claw assembly is by described Swing arm drives to be swung between the test starting point of flexing tester and test left margin point and/or test right margin point, It is swung with clamping to side metal wire.

2. a kind of cycloidal mechanism of automatic flexing tester according to claim 1, which is characterized in that the support base is " L " type support base.

3. a kind of cycloidal mechanism of automatic flexing tester according to claim 2, it is characterised in that, " L " the type branch The lower end that the rotating device is connect with swing arm is matched on support seat and sets initial point detection sensor, and the initial point detection sensor is in place It sets and is located in test initial point position, the both ends of concordant rotating device transverse direction are arranged oppositely limit on " L " the type support base Switch, two limit switches are located in position on left margin point and right margin point, and the initial point detection sensor is used It is detected in being located to swing arm and clip claw assembly or being repositioned to test starting point, two limit switches are for detecting and limiting Swing arm and clip claw assembly are rocked to left margin point or right margin point.

4. a kind of cycloidal mechanism of automatic flexing tester according to claim 3, it is characterised in that, the origin detection Sensor is NPN zero-bit optoelectronic switch.

5. a kind of cycloidal mechanism of automatic flexing tester according to claim 4, it is characterised in that, the origin detection Sensor and two limit switches are arranged to equilateral triangle in position.

6. a kind of cycloidal mechanism of automatic flexing tester according to any one of claims 1 to 5, it is characterised in that, institute Stating rotating device includes driving motor and speed reducer, the speed reducer by flange be installed in the vertical top of the support base and with Support base holding is vertically arranged, and the output shaft of the speed reducer is through the support base and solid with the crank of the swing arm after stretching out It connects, the speed reducer is also sequentially connected with the driving motor vertically installed, and the driving motor is through swing arm described in speed reducer drive Rotation matches the rotating device transmission swing arm between test starting point and test left margin point and/or test right margin point It swings.

7. a kind of cycloidal mechanism of automatic flexing tester according to claim 6, it is characterised in that, the driving motor For stepper motor, the speed reducer is corner gear reduction unit.

8. a kind of cycloidal mechanism of automatic flexing tester according to claim 7, it is characterised in that, the clip claw assembly Including U-shaped mounting base, a longitudinally disposed bolt is connect after passing through the sliding slot with the U-shaped mounting base, makes the U-shaped installation Seat can be slided along the sliding slot, and the front end of the U-shaped mounting base longitudinal direction sets the clamping jaw seat being laterally extended, and is formed on the clamping jaw seat Two clamping jaw installation positions, two clamping jaws are actively installed in matched installation position and longitudinally install, and one has two reverse thread portions Screw rod is laterally threaded through on the clamping jaw seat and its two threaded portion is made to be spirally connected respectively with two clamping jaws, and the one of the screw rod transverse direction End also sets the clamping jaw knob being spirally connected therewith, and the clamping jaw knob can be driven the screw rod rotation, and make two clamping jaws in transverse direction It moves towards, two clamping jaws for matching the clip claw assembly can move towards and clamp or release metal wire to be tested.