CN210981990U - Case and bag drop hammer impact test machine - Google Patents
Case and bag drop hammer impact test machine Download PDFInfo
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- CN210981990U CN210981990U CN201921550895.0U CN201921550895U CN210981990U CN 210981990 U CN210981990 U CN 210981990U CN 201921550895 U CN201921550895 U CN 201921550895U CN 210981990 U CN210981990 U CN 210981990U
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Abstract
A luggage drop hammer impact testing machine comprises a base and a drop hammer device arranged on the base, wherein luggage is arranged on the base, the drop hammer device comprises a drop hammer capable of moving downwards to impact the luggage and a drop hammer assembly capable of clamping or releasing the drop hammer, and the drop hammer device also comprises an auxiliary gripping device arranged on the base, the auxiliary gripping device comprises a limiting cylinder, a first driving mechanism and a gripping assembly, and the limiting cylinder is arranged below the drop hammer in a vertically moving mode; the first driving mechanism drives the limiting cylinder to move up and down; grab and hold the subassembly and be connected with spacing section of thick bamboo, including can stretching into the anchor clamps of radial round trip movement in the spacing section of thick bamboo and the anchor clamps driving piece of drive anchor clamps round trip movement, during the test, the lower extreme of spacing section of thick bamboo is pressed close to the case and bag surface, drop hammer device release drop hammer make the drop hammer whereabouts pass spacing section of thick bamboo impact case and bag surface, anchor clamps stretch into when the drop hammer rebounds and hold the drop hammer in stepping down the hole, test machine overall structure is simple, carry out the secondary impact to case and bag surface when preventing the drop hammer rebound whereabouts, improve the accuracy of.
Description
Technical Field
The utility model belongs to case and bag quality testing equipment specifically is a case and bag hammer impact test machine that falls that can effectively prevent that the secondary of falling hammer from strikeing case and bag.
Background
Before the daily used luggage leaves factory, the surface of the luggage and other parameters of the luggage must be tested to ensure the applicability and safety of the luggage, and the luggage does not deform and crack after the test; each part is not deformed, broken or damaged, and the wire is not opened; case and bag lock does not have card and die etc. and prior art does not restrict the secondary impact that produces after striking case and bag to the drop hammer whereabouts, and the secondary impact can exert an influence to the result of experiment, is difficult to obtain ideal experimental data, awaits further improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcoming of prior art, providing a case and bag that effectively prevents the secondary impact of hammer that falls strikes hammer drop hammer and strike.
The utility model adopts the following technical scheme:
a luggage drop hammer impact testing machine comprises a base and a drop hammer device arranged on the base, wherein a luggage is arranged on the base, the drop hammer device comprises a drop hammer capable of downwards moving to impact the luggage and a drop hammer component capable of clamping or releasing the drop hammer, and an auxiliary gripping device arranged on the base, the auxiliary gripping device comprises a limiting cylinder, a first driving mechanism and a gripping component, the limiting cylinder is arranged below the drop hammer in a vertically movable mode, and a abdicating hole which is opposite to the drop hammer and through which the drop hammer passes is formed in the limiting cylinder; the first driving mechanism drives the limiting cylinder to move up and down; grab and hold the subassembly and be connected with a spacing section of thick bamboo, including can stretching into the hole of stepping down along the radial round trip movement's of hole anchor clamps and the anchor clamps driving piece that drives anchor clamps round trip movement of stepping down, during the test, the case and bag surface is pressed close to the lower extreme of a spacing section of thick bamboo, and the hammer device that falls releases the hammer makes the hammer whereabouts of falling pass a spacing section of thick bamboo impact case and bag surface, and anchor clamps are stretched into when the hammer that falls rebounds and are held and hold the.
Preferably, the device comprises an infrared sensor and a controller, wherein the infrared sensor is arranged on the limiting barrel and used for detecting the motion state of the drop hammer in real time and feeding the motion state back to the controller, the controller is respectively connected with the infrared sensor and the controller, and the controller processes data fed back by the infrared sensor and controls the clamp driving piece to control the clamp to act according to a processing result.
Preferably, the clamp driving member is a cylinder.
Preferably, the clamp and the opposite side of the abdicating hole are provided with an arc-shaped surface, and the arc-shaped surface is matched with the outer surface of the drop hammer so as to clamp the drop hammer.
Preferably, the first driving mechanism comprises a lead screw, a mobile station and a lead screw driving piece, and the lead screw is rotatably arranged on the base; the movable platform can move up and down and is arranged on the screw rod and positioned below the drop hammer, a screw hole matched with the screw rod is formed in the movable platform, and the limiting cylinder is arranged on the movable platform; the screw rod driving assembly is connected with the screw rod and drives the screw rod to rotate.
Preferably, the screw drive is a rotating handwheel.
Preferably, the first driving mechanism comprises a guide assembly, the guide assembly comprises two guide plates which are oppositely arranged from top to bottom, two guide shafts which are supported between the two guide plates and a linear bearing which is matched with the guide shafts, the two guide shafts are respectively arranged on two sides of the screw rod, the screw rod is rotatably arranged between the two guide plates, and the linear bearing is fixedly arranged on the moving platform.
Preferably, the luggage rack further comprises a fixing device arranged on the base and used for fixing the luggage, the fixing device can move two fixing blocks arranged on the base and a fixing component for fixing the fixing blocks, the two fixing blocks are arranged at intervals, and a placing cavity used for placing the luggage is formed between the two fixing blocks.
Preferably, the fixing component comprises two strip-shaped screw holes extending in the direction perpendicular to the fixing block, through holes arranged on the fixing block and opposite to the strip-shaped holes, and bolts penetrating through the through holes and matched with the screw holes.
Preferably, the drop hammer assembly comprises a lifting platform capable of moving up and down, an electromagnet which is arranged on the lifting platform and can release or adsorb the drop hammer relative to the limiting cylinder, and a second driving mechanism for driving the lifting platform to move up and down.
It can be known from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are: the working principle of the auxiliary gripping device is as follows: the lower end of the limiting cylinder is close to the surface of the luggage through the driving of the first driving mechanism, and when the drop hammer falls down from the abdicating hole of the limiting cylinder to impact the luggage and then rebounds, the clamp driving piece drives the clamp to extend into the limiting cylinder to clamp the drop hammer in the limiting cylinder, so that the drop hammer is prevented from impacting the luggage secondarily and influencing a test result;
the auxiliary grasping device further comprises an infrared sensor and a controller, the infrared sensor monitors the motion state of the drop hammer in real time and feeds information back to the controller, when the infrared sensor detects the rebound of the drop hammer, a signal is fed back to the controller, the controller controls the clamp driving piece according to the received information of the infrared sensor to enable the clamp to extend into the limiting cylinder to grasp the drop hammer, the secondary impact of the drop hammer on the luggage is prevented, the infrared sensor is high in sensitivity and quick in response, correct information can be fed back quickly, and the controller can make a correct instruction;
the clamp driving part adopts the air cylinder, the air cylinder acts rapidly and reacts rapidly, and the drop hammer can be grasped in time;
an arc-shaped surface matched with the outer surface of the drop hammer is formed on one surface of the clamp opposite to the abdicating hole, so that the drop hammer can be well gripped;
the first driving mechanism comprises a lead screw, a moving platform and a lead screw driving piece, the lead screw driving piece drives the lead screw to rotate and drives the moving platform arranged on the lead screw to move up and down along the axial direction of the lead screw so as to enable the moving platform to reach a preset height, the lead screw moves stably and accurately, and the height to be reached can be accurately controlled;
the first driving mechanism also comprises a guide assembly, the guide assembly comprises a guide plate, a guide shaft and a linear bearing, and the moving platform can stably move up and down between the two guide plates through the two guide shafts and the linear bearing;
the case drop hammer impact testing machine also comprises a fixing device arranged on the base, wherein the fixing device comprises fixing blocks and a fixing component, the two fixing blocks are arranged at intervals, a placing cavity capable of placing a case is formed between the two fixing blocks, the case is placed in the placing cavity during testing, and the fixing device is used for fixing the case to prevent the case from moving in the testing process;
the fixing component comprises a strip-shaped screw hole, a through hole and a bolt, the fixing block is adjusted to a position suitable for placing the luggage, the bolt penetrates through the through hole to be matched with the strip-shaped screw hole, and the fixing block is fixed on the base to complete the fixing of the luggage;
the case and bag hammer impact test machine that falls still includes the hammer device that falls, including elevating platform, electro-magnet and second actuating mechanism, during the test, drives the elevating platform through the drive of second actuating mechanism and goes up and down and make the hammer that falls reach corresponding height, and the electro-magnet control electro-magnet outage release hammer that falls is controlled by the controller, and the hammer that falls strikes the case and bag through the hole of stepping down accomplishes the impact test to the case and bag.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of an auxiliary grasping device according to the present invention;
FIG. 3 is a partial top view of the auxiliary grasping device of the present invention;
in the figure: 1-base, 2-drop hammer device, 21-drop hammer, 22-drop hammer component, 221-lifting platform, 222-electromagnet, 223-second driving mechanism, 2231-connecting plate, 2232-second screw rod, 2233-guide rod, 2234-motor, 2235-proximity switch, 224-linear bearing, 3-auxiliary gripping device, 31-limiting cylinder, 311-abdicating hole, 32-first driving mechanism, 321-guide component, 3211-guide plate, 3212-guide shaft, 322-first screw rod, 323-moving platform, 324-first screw rod driving component, 33-gripping component, 331-clamp, 3311-arc surface, 332-cylinder, 333-infrared sensor, 4-fixing device, 41-fixing block, 42-fixing component, 421-bar-shaped screw hole, 422-bolt and 5-controller.
Detailed Description
The present invention will be further described with reference to the following detailed description.
Referring to fig. 1 to 3, a trunk drop weight impact tester includes a base 1, a drop weight device 2, an auxiliary gripping device 3, a fixing device 4, and a controller 5.
The drop hammer device 2 is arranged on the base 1, and comprises a drop hammer 21 capable of moving downwards to impact the luggage and a drop hammer assembly 22 capable of clamping or releasing the drop hammer 21, the drop hammer assembly 22 comprises a lifting platform 221 capable of moving upwards and downwards, an electromagnet 222 arranged on the bottom surface of the lifting platform 221 and capable of releasing or adsorbing the drop hammer 21, and a second driving mechanism 223 driving the lifting platform 221 to move upwards and downwards, concretely, the second driving mechanism 223 comprises two connecting plates 2231 arranged oppositely up and down, a second lead screw 2232 arranged between the two connecting plates 2231, a three guide rod 2233 supported between the two connecting plates 2231, and a motor 2234 arranged on the upper connecting plate 2231 and connected with and driving the second lead screw 2232 to rotate, the lifting platform 221 is arranged on the second lead screw 2232 in a manner of moving upwards and downwards, the lifting platform 221 is provided with a three linear bearing 224 matched with the three guide rods 2233, the lifting platform 221 is stably moved upwards and downwards by matching the guide rods 2233 with the linear bearing 224, further, a proximity switch 2235 connected to the controller 5 is provided on the guide rod 2233, and height information of the ascending or descending of the lift table 221 is detected and fed back to the controller 5.
The auxiliary gripping device 3 is arranged on the base 1 and comprises a limiting cylinder 31, a first driving mechanism 32 and a gripping assembly 33, the limiting cylinder 31 can move up and down and is arranged below the drop hammer 21, the limiting cylinder 31 is provided with a yielding hole 311 which is opposite to the drop hammer 21 and is used for the drop hammer 21 to pass through, and the yielding hole 311 extends downwards from the top surface of the limiting cylinder 31 to penetrate through the limiting cylinder 31 along the height direction; the first driving mechanism 32 drives the limiting cylinder 31 to move up and down and comprises a guide assembly 321, a first lead screw 322, a moving platform 323 and a first lead screw driving piece 324, wherein the guide assembly 321 comprises two guide plates 3211 which are oppositely arranged up and down, two guide shafts 3212 which are supported between the two guide plates 3211 and a linear bearing 224 which is matched with the guide shafts 3212; the first lead screw 322 is rotatably arranged between the two guide plates 3211 and is positioned between the two guide shafts 3212; the moving platform 323 is arranged on the first lead screw 322 in a way of moving up and down, is positioned below the drop hammer 21, is provided with a screw hole matched with the lead screw, and the limiting cylinder 31 is arranged on the moving platform 323 and is opposite to the drop hammer 21; the first lead screw driving part 324 is connected with and drives the first lead screw 322 to rotate, the first lead screw driving part 324 is specifically a rotating hand wheel, and the distance between the limiting cylinder 31 and the surface of the luggage is controlled by matching the rotating hand wheel, the first lead screw 322 and the screw hole, so that the testing requirement is met.
The gripping component 33 is arranged on the moving platform 323 and connected with the limiting cylinder 31, and comprises a clamp 331 which can extend into the abdicating hole 311 and move back and forth along the radial direction of the abdicating hole 311 and an air cylinder 332 for driving the clamp 331 to move back and forth, wherein an arc-shaped surface 3311 is formed on one surface of the clamp 331 opposite to the abdicating hole 311, the arc-shaped surface 3311 is matched with the outer surface of the drop hammer 21 so as to clamp the drop hammer 21, specifically, an infrared sensor 333 for detecting the motion state of the drop hammer 21 in the abdicating hole 311 in real time is arranged on the moving platform 323, the infrared sensor 333 is connected with the controller 5, and the motion state information of the drop hammer 21 is fed back to the controller.
The fixing device 4 is arranged on the base 1 and used for fixing a luggage and comprises two fixing blocks 41 and a fixing component 42, the two fixing blocks 41 are arranged at intervals and can move towards or away from each other, a placing cavity for placing the luggage is formed between the two fixing blocks 41, and the fixing blocks 41 extend along the width direction of the base 1; the fixing component 42 is used for fixing the fixing block 41, and comprises two strip-shaped screw holes 421 extending in the direction perpendicular to the fixing block 41 and arranged on the base 1 and bolts 422 penetrating through the fixing block 41 and matched with the screw holes, and the fixing component 42 is matched with the fixing block 41 to fix the luggage on the base 1 so as to prevent the luggage from moving in the testing process.
The controller 5 is respectively connected with the infrared sensor 333, the air cylinder 332, the proximity switch 2235 and the motor 2234, the infrared sensor 333 detects the motion state information of the drop hammer 21 in the abdicating hole 311 in real time and feeds the information back to the controller 5, the controller 5 processes the received information and controls the air cylinder 332 to work according to the processing result, when the drop hammer 21 impacts the surface of the luggage for the first time, the controller 5 controls the air cylinder 332 to control the clamp 331 to stretch into the abdicating hole 311, the drop hammer 21 is held, and the drop hammer 21 is prevented from impacting the surface of the luggage for the second time to influence the testing result; the proximity switch 2235 detects the height information of the lifting platform 221 ascending or descending and feeds back the height information to the controller 5, the controller 5 controls the motor 2234 to work according to the preset falling height of the falling hammer 21 so as to enable the falling hammer 21 to ascend or descend to the preset height, and specifically, the controller 5 is a single chip microcomputer.
During testing, firstly, the luggage is fixed on the base 1 through the fixing device 4, the moving platform 323 is driven to move downwards by rotating the rotating hand wheel, so that the lower section of the limiting cylinder 31 is close to the surface of the luggage, the controller 5 controls the motor 2234 to drive the screw rod to rotate, so that the drop hammer 21 rises or falls to a preset height, then the electromagnet 222 is controlled to be powered off to release the drop hammer 21, when the drop hammer 21 passes through the abdicating hole 311 to impact the surface of the luggage for the first time to rebound, the infrared sensor 333 detects the drop hammer 21 and feeds back a signal to the controller 5, the controller 5 controls the cylinder 332 to control the clamp 331 to extend into the abdicating hole 311, the drop hammer 21 is held in the limiting cylinder 31, and.
The utility model provides a case and bag hammer impact testing machine that falls overall structure is simple, can prevent to drop to carry out the secondary striking to the case and bag surface when 21 bounce-backs whereabouts of hammer through the cooperation of grabbing subassembly 33 and spacing section of thick bamboo 31, improves test structure's accuracy.
The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited thereby, and all equivalent changes and modifications made within the scope of the claims and the specification should be considered within the scope of the present invention.
Claims (10)
1. The utility model provides a case and bag hammer impact testing machine that falls, includes the base and sets up the hammer device that falls on the base, and case and bag setting is on the base, and the hammer device that falls includes the hammer that falls that can move down and strike case and bag and the hammer subassembly that falls that can centre gripping or release and fall, its characterized in that: the auxiliary gripping device comprises a limiting cylinder, a first driving mechanism and a gripping assembly, the limiting cylinder is arranged below the drop hammer in a vertically movable mode, and a abdicating hole which is opposite to the drop hammer and through which the drop hammer passes is formed in the limiting cylinder; the first driving mechanism drives the limiting cylinder to move up and down; grab and hold the subassembly and be connected with a spacing section of thick bamboo, including can stretching into the hole of stepping down along the radial round trip movement's of hole anchor clamps and the anchor clamps driving piece that drives anchor clamps round trip movement of stepping down, during the test, the case and bag surface is pressed close to the lower extreme of a spacing section of thick bamboo, and the hammer device that falls releases the hammer makes the hammer whereabouts of falling pass a spacing section of thick bamboo impact case and bag surface, and anchor clamps are stretched into when the hammer that falls rebounds and are held and hold the.
2. The luggage drop hammer impact testing machine of claim 1, wherein: the device comprises an infrared sensor and a controller, wherein the infrared sensor is arranged on a limiting barrel and used for detecting the motion state of a drop hammer in real time and feeding the motion state back to the controller, the controller is respectively connected with the infrared sensor and the controller, and data fed back by the infrared sensor are processed and a clamp driving piece is controlled according to a processing result so as to control the clamp to act.
3. A drop hammer impact tester for luggage as claimed in claim 1 or 2, wherein: the clamp driving part is an air cylinder.
4. A drop hammer impact tester for luggage as claimed in claim 1 or 2, wherein: the clamp and the opposite side of the abdicating hole are provided with arc surfaces which are matched with the outer surface of the drop hammer to clamp the drop hammer.
5. The luggage drop hammer impact testing machine of claim 1, wherein: the first driving mechanism comprises a first lead screw, a mobile station and a first lead screw driving piece, and the first lead screw is rotatably arranged on the base; the movable platform can move up and down and is arranged on the first lead screw and positioned below the drop hammer, a screw hole matched with the first lead screw is formed in the movable platform, and the limiting cylinder is arranged on the movable platform; the first lead screw driving assembly is connected with the first lead screw and drives the first lead screw to rotate.
6. The luggage drop hammer impact testing machine of claim 5, wherein: the lead screw driving piece is a rotating hand wheel.
7. The luggage drop hammer impact testing machine of claim 5, wherein: the first driving mechanism comprises a guide assembly, the guide assembly comprises two guide plates which are oppositely arranged from top to bottom, two guide shafts which are supported between the two guide plates and a linear bearing which is matched with the guide shafts, the two guide shafts are respectively arranged on two sides of a lead screw, the lead screw is rotatably arranged between the two guide plates, and the linear bearing is fixedly arranged on the moving platform.
8. A drop hammer impact tester for luggage as claimed in claim 1 or 2, wherein: the luggage fixing device comprises two fixing blocks movably arranged on the base and a fixing component for fixing the fixing blocks, the two fixing blocks are arranged at intervals, and a placing cavity for placing luggage is formed between the two fixing blocks.
9. The drop hammer impact testing machine for luggage as claimed in claim 8, wherein: the fixing component comprises two strip-shaped screw holes which are arranged on the base in a manner of extending along the direction perpendicular to the fixing block, through holes which are arranged on the fixing block and are opposite to the strip-shaped holes, and bolts which penetrate through the through holes and are matched with the screw holes.
10. A drop hammer impact tester for luggage as claimed in claim 1 or 2, wherein: the drop hammer assembly comprises a lifting platform capable of moving up and down, an electromagnet which is arranged on the lifting platform and can release or adsorb the drop hammer relative to the limiting barrel, and a second driving mechanism for driving the lifting platform to move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921550895.0U CN210981990U (en) | 2019-09-18 | 2019-09-18 | Case and bag drop hammer impact test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921550895.0U CN210981990U (en) | 2019-09-18 | 2019-09-18 | Case and bag drop hammer impact test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210981990U true CN210981990U (en) | 2020-07-10 |
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ID=71460940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921550895.0U Active CN210981990U (en) | 2019-09-18 | 2019-09-18 | Case and bag drop hammer impact test machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210981990U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459718A (en) * | 2022-01-21 | 2022-05-10 | 思翼科技（深圳）有限公司 | Impact force test device for manufacturing unmanned aerial vehicle |
| CN114739839A (en) * | 2022-06-09 | 2022-07-12 | 深圳市骏鼎达新材料股份有限公司 | Test equipment for impact test and use method thereof |
-
2019
- 2019-09-18 CN CN201921550895.0U patent/CN210981990U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114459718A (en) * | 2022-01-21 | 2022-05-10 | 思翼科技（深圳）有限公司 | Impact force test device for manufacturing unmanned aerial vehicle |
| CN114459718B (en) * | 2022-01-21 | 2022-09-02 | 思翼科技（深圳）有限公司 | Impact force test device for manufacturing unmanned aerial vehicle |
| CN114739839A (en) * | 2022-06-09 | 2022-07-12 | 深圳市骏鼎达新材料股份有限公司 | Test equipment for impact test and use method thereof |
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