the content of utility model
The defect that the utility model exists case and bag drop impact checkout equipment, a kind of novel case and bag drop hammer impact testing machine is provided, this testing machine can as required, be adjusted by apparatus for automatically lifting tested case and bag automatically, and the height of adjustment is controlled automatically by control system.On equipment, be equipped with lifting grip module, will drop hammer to clamp by the folding of grip module and loosen, in the time that mechanical arm clamping is dropped hammer, rise to certain height by lifting cylinder, then mechanical arm loosens, and drops hammer and freely falls under the effect of gravity, and tested case and bag are realized to drop impact.Equipment configuration prevents secondary pulse device, can effectively prevent the secondary pulse problem in drop impact process, makes it measurement result more accurate, reaches standard-required.This testing machine can robotization control simultaneously.
For achieving the above object, design of the present utility model is: utilize the grip module that drops hammer to clip to the assembly that drops hammer of different feather weight the height that rises to requirement, power resources are transmitted by leading screw in motor, drop hammer and fall, case and bag are impacted, after one-shot, the anti-secondary pulse clamp system that drops hammer rapidly clamps and drops hammer, and the bounce-back that prevents from dropping hammer produces follow-up secondary pulse.Sensor is housed on motor rack and can measures the height of motor plate, feed back to computing machine, realize the robotization of adjusting platform lifting.
According to the new design of above-mentioned utility model, the technical solution adopted in the utility model is as follows:
A kind of novel case and bag drop hammer impact testing machine, comprise: device framework, adjust platform, case and bag clamp system, the assembly that drops hammer up and down, drop hammer grip module and anti-secondary pulse drop hammer clamp system, it is characterized in that: described device framework is four-post frame frame two pairs of parallel vertical axis of guides of bottom fixed installation; Described parallel axis of guide upper sliding sleeve is installed the described platform of adjusting up and down, and described case and bag clamp system is arranged on described adjustment up and down on platform; Described device framework upper vertical is fixed the vertical guide pole of a Rodless cylinder and pair of parallel, grip module drops hammer described in installing above described Rodless cylinder, the pincers assembly that drops hammer described in playing below the described grip module that drops hammer, described in the assembly that drops hammer coordinate with guide pole sliding sleeve; There is crossbeam at described device framework middle part, and described anti-secondary pulse drop hammer clamp system and described two drive motor that are synchronized with the movement adjusting up and down platform are installed below this crossbeam; Described case and bag clamp system is arranged on described adjustment platform.
The described structure of adjusting up and down platform is: the described platform the right and left of adjusting is up and down equipped with leading screw; The screw thread of described leading screw screws with the screw of upper and lower capable of regulating platform; The upper end of described leading screw is connected with the motor that is fixedly mounted on crossbeam by shaft coupling.
The structure of described case and bag clamp system is: the described feed screw nut pair of adjusting up and down platform inside and be provided with pair of parallel, has two pairs of leading screws and two pairs of left-and-right spiral nuts to screw; On described left-and-right spiral nut, pressing plate is connected with two pairs by web member, a control hand wheel is equipped with in the rhizoid thick stick one end in two rhizoid thick sticks; Adjust up and down platform both sides sliding sleeve described two pairs of parallel vertical axis of guides are installed.
The described grip module that drops hammer is made up of clamp base, clamp connecting rod, holder arms, link pin, cylinder connector, cylinder and holder.Described clamp base is fixedly mounted on a contiguous block, and described contiguous block is arranged on described Rodless cylinder; On described clamp base, be connected with clamp connecting rod by link pin, clamp connecting rod and holder arms are hinged, and cylinder is fixedly mounted on holder, and holder is fixedly connected with clamp base, and the push rod of cylinder is fixedly connected with cylinder connector;
The described assembly that drops hammer comprises the vertical rod of dropping hammer, the base that drops hammer, axle and the counterweight that drops hammer drop hammer, the described vertical rod of dropping hammer is fixedly mounted on drops hammer on base, axle drops hammer described in connecting by pair of bearings on the described base that drops hammer, the base downside that drops hammer is connected with the counterweight that drops hammer by spring, described in the base that drops hammer be arranged on vertical guide pole by flange linear bearing.
The drop hammer structure of clamp system of described anti-secondary pulse is: described crossbeam downside is provided with a pair of clamping cylinder; Described a pair of clamping cylinder tailpiece of the piston rod is equipped with a pair of semilune clamp.
Case and bag drop hammer impact testing machine of the present utility model compared with the prior art, has following apparent high-lighting feature and significantly technical progress: the shock-testing high consistency that can have school and guarantee the case and bag of different size; Can effectively prevent the secondary pulse problem of dropping hammer and producing; The position that can guarantee shock point is basically identical, has effectively guaranteed the repeatability of shock-testing.Sensor can be monitored motor rack height effectively, automatically adjusts the height of platform.
Embodiment
Preferred embodiment accompanying drawings of the present utility model is as follows:
Embodiment mono-:
Referring to Fig. 1 ~ Fig. 7, this novel case and bag drop hammer impact testing machine, comprising: device framework 1, adjust platform 2, case and bag clamp system 10, the assembly 7 that drops hammer up and down, drop hammer grip module 13 and anti-secondary pulse drop hammer clamp system, it is characterized in that:
Described in 1, device framework 1 is four-post frame frame, two pairs of parallel vertical axis of guides 3 of bottom fixed installation; The described parallel axis of guide 3 upper sliding sleeves are installed the described platform 2 of adjusting up and down, and described case and bag clamp system 10 is arranged on described adjustment up and down on platform 2;
Described in 2, device framework 1 upper vertical is fixed the vertical guide pole 14 of a Rodless cylinder 5 and pair of parallel, grip module 13 drops hammer described in the installation above of described Rodless cylinder 5, the described grip module 13 pincers assembly 7 that drops hammer described in playing below that drops hammer, described in the assembly 7 that drops hammer coordinate with guide pole 14 sliding sleeves;
Described in 3, there is crossbeam 8 at device framework 1 middle part, and this crossbeam 8 is installed described anti-secondary pulse drop hammer clamp system 12 and described two drive motor that are synchronized with the movement 4,19 of adjusting up and down platform 2 below;
Described in 4, case and bag clamp system 10 is arranged on described adjustment platform 2;
Embodiment bis-:
The present embodiment and embodiment mono-are basic identical, and special feature is as follows: the described structure of adjusting up and down platform 2 is: described platform 2 the right and lefts of adjusting are up and down equipped with leading screw (17,18); The screw thread of described leading screw 17,18 screws with the screw of upper and lower capable of regulating platform 2; The upper end of described leading screw 17,18 is connected with the motor 4,19 that is fixedly mounted on crossbeam 8 by shaft coupling.The structure of described case and bag clamp system 10 is: the described feed screw nut pair 15 of adjusting up and down platform 2 inside and be provided with pair of parallel, has two pairs of leading screws and two pairs of left-and-right spiral nuts to screw; On described left-and-right spiral nut, pressing plate 16 is connected with two pairs by web member, a control hand wheel 11 is equipped with in the rhizoid thick stick one end in two rhizoid thick sticks; Adjust up and down platform 2 both sides sliding sleeves described two pairs of parallel vertical axis of guides 3 are installed.The described grip module 13 that drops hammer is made up of clamp base 13-1, clamp connecting rod 13-2, holder arms 13-3, link pin 13-4, cylinder connector 13-5, cylinder 13-6 and holder 13-7.Described clamp base 13-1 is fixedly mounted on a contiguous block 6, and described contiguous block 6 is arranged on described Rodless cylinder 5; Described clamp base 13-1 is upper to be connected with clamp connecting rod 13-2 by link pin 13-4, clamp connecting rod 13-2 and holder arms 13-3 are hinged, cylinder 13-6 is fixedly mounted on holder 13-7, holder 13-7 is fixedly connected with clamp base 13-1, and the push rod of cylinder 13-6 is fixedly connected with cylinder connector 13-5; The described assembly 7 that drops hammer comprises the vertical rod 7-3 that drops hammer, the base 7-1 that drops hammer, axle 7-2 and the counterweight 7-4 that drops hammer drop hammer, the described vertical rod 7-3 that drops hammer is fixedly mounted on and drops hammer on base 7-1, axle 7-2 drops hammer described in the described base 7-1 that drops hammer above connects by pair of bearings, the base 7-1 downside that drops hammer is connected with the counterweight 7-4 that drops hammer by spring, described in the base 7-1 that drops hammer be arranged on vertical guide pole 14 by flange linear bearing.The drop hammer structure of clamp system 10 of described anti-secondary pulse is: described crossbeam 8 downsides are provided with a pair of clamping cylinder 12; Described a pair of clamping cylinder 12 tailpieces of the piston rod are equipped with a pair of semilune clamp 9
Embodiment tri-:
Referring to Fig. 1,2,3, the structure of this novel case and bag drop hammer impact testing machine comprises: device framework 1, adjust platform 2, case and bag clamp system 10, the assembly 7 that drops hammer up and down, drop hammer grip module 13 and anti-secondary pulse drop hammer clamp system, it is characterized in that: described in 1, device framework 1 is four-post frame frame two pairs of parallel vertical axis of guides 3 of described device framework 1 bottom fixed installation; Described 2, one the case and bag clamp systems 10 of platform of adjusting are up and down installed on the described parallel axis of guide 3 and are arranged on described adjustment up and down on platform; Described in 2, device framework 1 upper vertical is fixed the vertical guide pole 14 of a Rodless cylinder 5 and pair of parallel, described Rodless cylinder 5 grip module 13 that drops hammer described in installing above, described in the grip module 13 pincers assembly 7 that drops hammer described in playing below that drops hammer; Described in 3, there is crossbeam 8 at device framework 1 middle part, and this crossbeam 8 is installed described anti-secondary pulse drop hammer clamp system 12 and described two drive motor that are synchronized with the movement adjusting up and down platform 2 below; Described in 4, case and bag clamp assembly is arranged on described adjustment platform 2.In test process time, tested case and bag place adjusting up and down on platform 2, are clamped, according to the required impulsive force of tested case and bag by case and bag clamp system 10, by clamping and the release of the drop hammer assembly 7 of grip module 13 to different feather weight that drop hammer, realize the test to case and bag impact resistance; Drop hammer and pound the moment of dropping on case and bag, by the clamping of clamp system to the assembly 7 that drops hammer of dropping hammer of anti-secondary pulse, prevent follow-up secondary pulse.
Described platform 2 the right and lefts of adjusting are up and down equipped with leading screw (17,18); The screw thread of described leading screw 17,18 screws with the screw of upper and lower capable of regulating platform 2; The upper end of described leading screw 17,18 is connected with the motor 4,19 that is fixedly mounted on crossbeam 8 by shaft coupling; When motor 4,19 synchronous working, drive adjustment platform 2 to move up and down along the parallel vertical axis of guide 3 by screw mandrel 17,18 power;
Describedly adjust up and down 15, two pairs of leading screws 10 of feed screw nut pair and the two pairs of left-and-right spiral nuts that platform 2 inside are provided with pair of parallel and screw; On described left-and-right spiral nut, pressing plate 16 is connected with two pairs by web member, a control hand wheel 11 is equipped with in rhizoid thick stick 10 one end; Adjust up and down platform 2 both sides two pairs of parallel vertical axis of guides 3 are installed, make to adjust up and down platform 2 by shake handwheel 11 and move up and down along the parallel vertical axis of guide 3;
Referring to Fig. 4,5, described in the grip module 13 that drops hammer formed by clamp base 13-1, clamp connecting rod 13-2, holder arms 13-3, link pin 13-4, cylinder connector 13-5 and holder 13-6.Described clamp base 13-1 is fixedly mounted on contiguous block 6; Described contiguous block 6 is arranged on Rodless cylinder 5; Described clamp base 13-1 is upper to be connected with clamp connecting rod 13-2 by link pin 13-4, and clamp connecting rod 13-2 is connected with holder arms 13-3.Described cylinder push-rod shrinks and drives described cylinder connector 13-5, drives described clamp connecting rod 13-2 to shrink by described link pin 13-4, and holder arms 13-3 is tightened up, and in order to the assembly 7 that drops hammer described in clamping, completes the whereabouts of dropping hammer.
Referring to Fig. 6,7, described in the assembly 7 that drops hammer formed by the vertical rod 7-3 that drops hammer, drop hammer base 7-1 and the axle 7-2 that drops hammer.The described vertical rod 7-3 that drops hammer is fixedly mounted on and drops hammer on base 7-1, the described base 7-1 that drops hammer is upper connects the axle 7-2 that drops hammer by pair of bearings, the base 7-1 downside that drops hammer is connected with the counterweight 7-4 that drops hammer by spring, described in the base 7-1 that drops hammer be arranged on guide pole 14 by flange linear bearing.While dropping hammer, the base 7-1 that drops hammer falls along guide pole 14 straight lines.
The course of work: utilize two pairs of pressing plates 16 to be fixedly clamped to test case and bag on adjustment platform 2, by the sensor on crossbeam 8, automatically adjust the position of controlling adjustment platform 2, thereby realize robotization.Motor 4,19 passes to moving component by power by leading screw 17,18, the utilization grip module 13 that drops hammer clips to the counterweight 7-4 that drops hammer of different feather weight the height that rises to requirement, the release counterweight 7-4 that drops hammer, the 7-4 that drops hammer falls along the axis of guide 14 that drops hammer, and makes the impact site of case and bag aim to drop hammer and falls place.While falling, clamping cylinder 12 stretches out clamp 9 and clamps the counterweight 7-4 that drops hammer, and one-shot completes, and records result.Control motor, the preparation of lifting grip module is dropped hammer and is prepared next impact.Until complete the test number (TN) of setting, off-test.