CN101393070A

CN101393070A - Drop tester bench

Info

Publication number: CN101393070A
Application number: CNA2007102017897A
Authority: CN
Inventors: 黄登聪; 余国俊; 曹献阳; 李元钊; 胡永兵
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2007-09-20
Filing date: 2007-09-20
Publication date: 2009-03-25
Anticipated expiration: 2027-09-20
Also published as: CN101393070B

Abstract

The invention discloses a dropping tester table, which comprises a support, a cylinder with an up-down telescopic core bar, an air claw and a control circuit. The core bar can be directly fixed with the air claw, and can be fixed with the air claw after the core bar is connected with connecting piece; the support comprises an adjusting part the height of which can be adjusted; the cylinder is provided with the adjusting part; the air claw comprises a clamping part for clamping a work piece to be detected; the control circuit is electrically connected with the cylinder and the air claw, and is used for controlling automatic inflation and deflation of the cylinder and the air claw so as to realize up-down movement of the core bar and clamp or loosen the work piece to be detected by the clamping part of the air claw. The air claw is driven by the cylinder to move so as to throw the work piece to be detected, which can automatically carry out a dropping test. Meanwhile, the dropping test of the work piece to be detected with different heights is realized by adjusting the height of the adjusting part of the support.

Description

Drop tester bench

Technical field

The present invention relates to a kind of drop tester bench, particularly a kind of test board of the short distance drop test of control automatically of being convenient to.

Background technology

Along with the pursuit of people to quality of the life, the quality of product is also more and more paid close attention to by people.In to the experiment of reliability of products or life tests, need to detect such as fall, environmental factors such as vibrations, humidity, temperature are to the influence of product quality.Fall in the test that product is influenced in detection, require at various height product repeatedly to be thrown down to fall, the performance to product detects then, analyzes the influence of falling product quality.The tradition fall-down test is by the operator product to be thrown down, and this method not only labour intensity is big, and inconvenient operation.

Summary of the invention

In view of above content, be necessary to provide a kind of drop tester bench automatic and easy to use.

A kind of drop tester bench comprises a support, a tool cylinder, a gas pawl and a control circuit of telescopic core bar up and down.Described core bar can be directly fixed on described gas pawl, also can be fixed in described gas pawl after a connection piece is connected, described support comprises a height adjustable adjustment part, described cylinder is installed in described adjustment part, described gas pawl comprises the clamping part of a clamping workpiece for measurement, described control circuit is electrically connected on the gentle pawl of described cylinder, be used to control to the gentle pawl of described cylinder charge and discharge gas automatically, the clamping part that moves up and down and make described gas pawl of realizing core bar picks up or unclamps workpiece for measurement.

Drop tester bench of the present invention utilizes the motion of gas pawl to leave workpiece for measurement, can carry out fall-down test automatically, easily.Simultaneously, this invention is by the adjusting to the height and the gas pawl operation height of the adjustment part of support, can realize to the workpiece for measurement differing heights leave test.

Description of drawings

In order better to understand this drop tester bench, the invention will be further described in conjunction with the embodiments with reference to the accompanying drawings.

Fig. 1 is the exploded view of drop tester bench better embodiment of the present invention;

Fig. 2 is the stereographic map of another angle of two ennations among Fig. 1;

Fig. 3 is the stereographic map of another angle of two holders among Fig. 1;

Fig. 4 is the assembly drawing of Fig. 1;

Fig. 5 is the user mode figure of drop tester bench better embodiment of the present invention.

Embodiment

Please refer to Fig. 1, the better embodiment of drop tester bench of the present invention is used for the product drop test workpiece for measurement 100 (see figure 5)s is picked up repeatedly and throw down.Described drop tester bench comprises that the support 20, that a base 10, is installed on described base 10 is installed in the cylinder 30 on the described support 20, the gas pawl 60 that a connection piece 50 and is connected in described web member 50.

Described support 20 is down " U " shape, and it comprises that two vertically are installed on back up pad 22 on the described base 10 is connected described two back up pads 22 with one adjustment part 24.Be equipped with two long and narrow pilot hole 221 and stopper slots 222 on described two back up pads 22, the stopper slot 222 of each back up pad 22 is between two pilot hole 221.Described adjustment part 24 is a rectangular plate, and a bigger screw 246 is offered at its middle part, and offers two less fixed orifices 248 in screw 246 both sides; The middle part of the both ends of the surface 240 of described adjustment part 24 is convexly equipped with a sliding part 242 respectively.Each end face 240 is respectively equipped with a threaded hole 244 in the both sides of its sliding part 242.

Described cylinder 30 comprises that a body 31 and is limited in the flange 36 of described adjustment part 24 with described body 31.Described body comprises that one is positioned at the telescopic core bar 32 and the threaded portion 34 that is positioned at its middle part of its underpart, and the lower end of described core bar 32 is a thread end 322, a sheathed back-up ring 324 on the described thread end 322.

The screw 246 of corresponding described adjustment part 24, described flange 36 middle parts is offered a bigger through hole 360, and the fixed orifice 248 of corresponding described adjustment part 24 is offered two less fixed orifices 362 in described through hole 360 both sides.

Described web member 50 is the plate body of " ten " font, its convex cylindrical boss 52 of establishing in middle part, and described web member 50 is also offered some screws 54 in edge.Described boss 52 is offered a screw 520 from top to bottom, described screw 520 can with thread end 322 corresponding the screwing togather of described core bar 32, be used for described core bar 32 is fixed on the described web member 50.

Described gas pawl 60 comprises that one roughly is the main body 62 and a clamping part 64 of rectangular parallelepiped.Described main body 62 is provided with the corresponding screw 620 of screw 54 of some and described web member 50.Described clamping part 64 comprises two limiting plates 66, two ennations 70 and two cramping bodies 80.Described two limiting plates 66 are by an aerating device (figure do not show), but are installed in to move left and right described main body 62 two ends respectively, and its underpart is extended respectively and is provided with an extension 660, offers two screws 662 on the described extension 660 respectively.Please in conjunction with reference Fig. 2, each ennation 70 comprises that an integrally formed fixed head 72 and is from the outward extending guide plate 74 of described fixed head 72 lower vertical.Two screws 720 are offered on described fixed head 72 tops.One side of described guide plate 74 is provided with a gathering sill 742 perpendicular to described fixed head 72, and offers some screws 740 in the bottom land of described gathering sill 742.Please in conjunction with reference Fig. 3, each cramping body 80 comprises a baffle plate 84 and the removable chuck 86 that the sliding panel 82, of a level is extended vertically downward by an end of described sliding panel 82.Described sliding panel 82 be installed in movably in the corresponding gathering sill 742, which is provided with an elongated spacing hole 820.Described baffle plate 84 is offered a screw 840 in the bottom, top is in offering a kerf 842 with described sliding panel 82 intersections.Described chuck 86 is a right cylinder, offers on it to lock in the screw 860 after screw 860, one screws 16 corresponding with the screw 840 of described baffle plate 84 pass described screw 840, and described chuck 86 is fixed on the described baffle plate 84.

Please in the lump with reference to Fig. 4, during assembling, two sliding parts 242 of described adjustment part 24 are installed in respectively in the stopper slot 222 of corresponding back up pad 22 slidably, and adjustment part 24 moves up and down the differing heights that is fixed in support 20 by its sliding part 242 in stopper slot 222.When described adjustment part 24 was positioned at the height that needs, four holding screws 12 passed the corresponding pilot hole 221 of two back up pads 22 respectively and lock in the corresponding threaded hole 244 of described adjustment part 24, and described adjustment part 24 is fixed on the described back up pad 22.The core bar 32 of described cylinder 30 passes the screw 246 of the through hole 360 of described flange 36, described adjustment part successively and locks in the screw 520 of boss 52 of described web member 50, and described back-up ring 324 is against the top of described boss 52; 34 of the threaded portions of described cylinder 30 screw in the screw 246 of described adjustment part 24, and two adjust screw 40 penetrates in the corresponding fixed orifice 248,362 of described adjustment part 24 and flange 36, thereby described cylinder 30 is installed on the described adjustment part 24.Some screws (figure do not show) pass the corresponding screw 620 of the main body 62 of the screw 54 of described web member 50 and described gas pawl 60 respectively, and described gas pawl 60 is fixed to described web member 50 bottoms.Described gas pawl 60 can move up and down with described core bar 32 with the air pressure control of described web member 50 by described cylinder 30.Some screws (figure does not show) pass the screw 720 of described two ennations 70 respectively and the screw 662 of two limiting plates 66 is fixed on described two ennations 70 on the corresponding limiting plate 66.Two manual screws 14 pass the spacing hole 820 of described two cramping bodies 80 respectively and lock a wherein screw 740 of corresponding guide plate 74, and described two cramping bodies 80 are fixed on the corresponding ennation 70.Described two adjust screws 40 can turn up and down corresponding fixed orifice 248,362 in, and the web member 50 that can keep out rising, is used for controlling the maximum height of described gas pawl 60 and described web member 50 risings, thereby further adjusts the height that workpiece for measurement 100 falls.When adjusting falling height each time, this must be positioned at same level height to adjusting screw 40.

Please in conjunction with reference Fig. 5, during use, the falling height required according to fall-down test adjusted the height of described adjustment part 24 with respect to base 10, regulates the height between described adjustment screw 40 heads and the adjustment part 24; By a control circuit (figure does not show), control charges and discharge gas to described cylinder 30 and gas pawl 60.When described cylinder 30 was inflated, the core bar 32 of described cylinder 30 moved downward under the effect of air pressure, and described core bar 32 promotes described gas pawl 60 and moves downward; When the chuck 86 of described cramping body 80 touches the workpiece for measurement 100 that places on the described base 10, to described gas pawl 60 inflations, the clamping part 64 of described gas pawl 60 is drawn close under the promotion of air pressure each other, thereby makes the chuck 86 of two cramping bodies 80 clamp workpiece for measurement 100; To described cylinder 30 venting, making cylinder is vacuum, described core bar 32, gas pawl 60 and the workpiece for measurement 100 that is clamped by described chuck 86 move upward together, be against the head of described adjustment screw 40 until described web member 50, this moment is to described gas pawl 60 venting, described clamping part 64 flicks, and also and then unclamps workpiece 100 to be measured away from each other thereby drive described chuck 86, makes workpiece 100 to be measured from falling from high altitude.

Among other embodiment of drop tester bench of the present invention, can on the main body 62 of described gas pawl 60, establish a screw of thread end 322 of accommodating the core bar 32 of described cylinder 30, engagement by described screw and thread end 322, core bar 32 is fixed in the main body 62 of described gas pawl 60, or alternate manner is directly fixed on described core bar 32 main body 62 of described gas pawl 60.

Drop tester bench of the present invention is to the workpiece for measurement 100 of different size, the described manual screw 14 of outwarding winding, the sliding panel 82 that makes two cramping bodies 80 slides in the gathering sill 742 of the ennation 70 of correspondence respectively, when treating that distance between two chucks 86 meets the requirements, more described manual screw 14 is passed the spacing hole 820 of corresponding cramping body 80 respectively and screw in the corresponding screw 740 of corresponding ennation 70.In addition, described chuck 86 can also be changed according to the shape of workpiece for measurement 100, so that clamp workpiece for measurement 100.The air pressure of described cylinder 30 is different with the air pressure that control clamping part 64 clamps, flicks, thereby can be according to the material of workpiece for measurement 100 and the height of characteristic adjusting gas pawl 60 air pressure, control the dynamics that two limiting plates 66 clamp workpieces for measurement 100, avoided crushing workpiece for measurement 100 because the air pressure that cylinder 30 inner control gas pawls 60 move up and down is too high.Described control circuit is realized the drop test repeatedly to workpiece for measurement 100 by described cylinder 30 gentle pawls 60 being charged and discharged the frequency of gas.

Claims

[claim 1] a kind of drop tester bench, comprise a support, a tool up and down the cylinder, of telescopic core bar be fixed in the gas pawl and a control circuit of described core bar, described support comprises a height adjustable adjustment part, described cylinder is installed in described adjustment part, described gas pawl comprises the clamping part of a clamping workpiece for measurement, described control circuit is electrically connected on the gentle pawl of described cylinder, be used to control to the gentle pawl of described cylinder charge and discharge gas automatically, the clamping part that moves up and down and make described gas pawl of realizing core bar picks up or unclamps workpiece for measurement.
[claim 2] drop tester bench as claimed in claim 1 is characterized in that: described support is down " U " shape, and it further comprises two vertical back up pads, and the two ends of described adjustment part are moving up and down respectively to be installed in described two back up pads.
[claim 3] drop tester bench as claimed in claim 2, it is characterized in that: be equipped with two vertical pilot holes and a stopper slot on described two back up pads, the stopper slot of corresponding described two back up pads in two ends, described adjustment part is respectively equipped with one slidably in the sliding part of corresponding stopper slot, and the pilot hole of corresponding described two back up pads is offered two threaded holes respectively, some holding screws pass the corresponding threaded hole that screws in two ends, described adjustment part behind the pilot hole of described two back up pads respectively, and described adjustment part is fixed on required height.
[claim 4] drop tester bench as claimed in claim 1 is characterized in that: described gas pawl also comprises a main body, which is provided with screw, and the end of described core bar is provided with screw thread, and described thread locking is in described screw.
[claim 5] drop tester bench as claimed in claim 4 is characterized in that: described adjustment part is provided with two screws, and two adjust screw difference screw lock in described two screws.
[claim 6] drop tester bench as claimed in claim 4 is characterized in that: be connected in the cramping body of described two ennations but described clamping part comprises ennation and two that two limiting plates, two that are installed in the both sides of main body of described gas pawl and move left and right respectively are connected to described two limiting plates.
[claim 7] drop tester bench as claimed in claim 6, it is characterized in that: each ennation comprise an integrally formed fixed head with one from the vertical outward extending guide plate of described fixed head, an extension is extended in the lower end of each limiting plate, and described fixed head is fixed in the extension of corresponding limiting plate.
[claim 8] drop tester bench as claimed in claim 7, it is characterized in that: described guide plate is provided with a gathering sill, described cramping body comprises that one is installed in the sliding panel in the corresponding gathering sill movably, is used for adjusting the distance between described two cramping bodies.
[claim 9] drop tester bench as claimed in claim 8, it is characterized in that: each cramping body comprises that also a baffle plate and that extends straight down from its sliding panel is used for the chuck of clamping workpiece for measurement, and described chuck is removably mounted on the described baffle plate.
[claim 10] drop tester bench as claimed in claim 1 is characterized in that: the adjustment part of described support is provided with a screw, and cylinder is provided with a threaded portion that is locked in described screw.
[claim 11] a kind of drop tester bench, comprise a support, one tool is the cylinder of telescopic core bar up and down, one gas pawl, an a connection piece and a control circuit, described web member top and bottom connect the gentle pawl of described core bar respectively, described support comprises a height adjustable adjustment part, described cylinder is installed in described adjustment part, described gas pawl comprises the clamping part of a clamping workpiece for measurement, described control circuit is electrically connected on the gentle pawl of described cylinder, be used to control to the gentle pawl of described cylinder charge and discharge gas automatically, the clamping part that moves up and down and make described gas pawl of realizing core bar picks up or unclamps workpiece for measurement.
[claim 12] drop tester bench as claimed in claim 11, it is characterized in that: described gas pawl also comprises a main body, the upper surface of described main body is connected with the bottom surface of web member, and the end face of described web member upwards is convexly equipped with a boss, and the end of described core bar is fixed in described boss.