CN210603813U

CN210603813U - Drop test machine convenient to make package free fall

Info

Publication number: CN210603813U
Application number: CN201921930478.9U
Authority: CN
Inventors: 韦荣军
Original assignee: Huahui Printing Products Shenzhen Co Ltd
Current assignee: Huahui Printing Products Shenzhen Co Ltd
Priority date: 2019-11-09
Filing date: 2019-11-09
Publication date: 2020-05-22
Anticipated expiration: 2029-11-09

Abstract

The utility model relates to a drop test machine convenient to make package free fall, it includes the base, set up guide pillar on the base, be used for placing the supporting mechanism of package and be used for carrying out the fixed establishment fixed to the package, the outside of guide pillar is located to the supporting mechanism cover, is provided with the elevating system who is used for controlling the supporting mechanism lift on the guide pillar. The supporting mechanism comprises supporting blocks sleeved outside the guide pillars, two ends of each supporting block are respectively and horizontally connected with a supporting shaft and supporting plates hinged to the supporting shafts, and a gap is reserved between the two supporting plates. The supporting block is provided with two supporting cylinders, piston rods of the two supporting cylinders are connected with supporting rods, and when the piston rods of the supporting cylinders are in an extending state, the supporting rods are abutted to the lower surfaces of the supporting plates. The utility model discloses a support cylinder removes the support to the backup pad fast, and then makes the package freely fall and with the ground striking to improve test result's accuracy.

Description

Drop test machine convenient to make package free fall

Technical Field

The utility model belongs to the technical field of drop test machine's technique and specifically relates to a drop test machine convenient to make package free fall is related to.

Background

With the pursuit of people for quality of life, the quality of products is more and more concerned, and in the reliability or life detection test of products, the influence of environmental factors such as falling, vibration, humidity, temperature and the like on the quality of the products needs to be detected.

The drop tester is specially used for testing the damage condition of the product after being packaged and the impact resistance of the product after being dropped during transportation. When the package is detected, the detected package is lifted to a preset height to be dropped to collide with the ground, and then whether the package is qualified or not is judged according to the appearance deformation damage degree of the detected package and the leakage condition of the contents.

In order to ensure the accuracy of a package falling test result, the package is required to freely fall to impact the ground so as to simulate a real falling scene, and how to ensure that the package can freely fall during the test is a problem which is urgently needed to be solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drop test machine convenient to make package free fall, its advantage lies in: the package can fall freely, and the accuracy of the detection result is improved.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a drop test machine convenient for enabling a packaging piece to fall freely comprises a striking plate, a base arranged on the striking plate, a guide pillar arranged on the base, a supporting mechanism used for placing the packaging piece and a fixing mechanism used for fixing the packaging piece, wherein the supporting mechanism is sleeved outside the guide pillar, a lifting mechanism used for controlling the lifting of the supporting mechanism is arranged on the guide pillar, the supporting mechanism comprises a supporting block sleeved outside the guide pillar, two ends of the supporting block are respectively and horizontally connected with a supporting shaft and a supporting plate, one side edge of the two supporting plates, which is far away from the supporting plates, is respectively and rotatably connected with the two supporting shafts, a space is arranged between the two supporting plates, the supporting block is also provided with two supporting cylinders, the two supporting cylinders are positioned between the two supporting shafts, and piston rods of the two supporting cylinders are both connected with supporting rods, when the piston rod of the supporting cylinder is in an extending state, the supporting rod is abutted to the lower surface of the supporting plate.

By adopting the technical scheme, the packaging piece is clamped at the interval between the two supporting plates during testing, the piston rod of the supporting cylinder is in an extending state at the moment, the supporting rod supports the supporting plates to enable the supporting plates to be in a horizontal state, then the packaging piece is fixed through the fixing mechanism to enable the packaging piece to be stably placed on the supporting mechanism, the supporting cylinder is started, the piston rod of the supporting cylinder is retracted to enable the supporting rod to release the support for the supporting plates, and the supporting plates can turn downwards due to the fact that the supporting plates are rotatably connected with the supporting shafts, so that the packaging piece can freely fall from the supporting plates and collide with the ground, and accuracy of a testing result is guaranteed; the lifting mechanism is used for adjusting the height of the supporting plate according to the test requirement, and the test accuracy is guaranteed.

The utility model discloses further set up to: and one end of the support rod, which is far away from the support cylinder, is provided with a roller.

Through adopting above-mentioned technical scheme, the setting up of gyro wheel can reduce the bracing piece when withdrawing and the backup pad between frictional force, makes the bracing piece withdraw more easily, has reduced the friction loss between bracing piece and the backup pad, avoids bracing piece and backup pad to wear and tear for a long time and lead to the backup pad to be difficult to be in the horizontality, avoids producing the influence to the accuracy of test result.

The utility model discloses further set up to: the lower parts of the two supporting shafts are vertically connected with reinforcing rods, magnetic blocks are arranged on the opposite sides of the two reinforcing rods, and iron sheets corresponding to the magnetic blocks are arranged on the lower surfaces of the two supporting plates.

Through adopting above-mentioned technical scheme, the stiffener can support the back shaft, improves the structural strength of back shaft, avoids package weight too big often to lead to the back shaft to warp, and when the backup pad overturned downwards, the magnetic path can adsorb the iron sheet, makes backup pad and stiffener laminate mutually, prevents that the backup pad from returning and causing the hindrance to the whereabouts of package, avoids the accuracy of test result to receive the influence.

The utility model discloses further set up to: and tensioning springs are respectively connected between the two reinforcing rods and the two supporting plates, and when the magnetic blocks are abutted to the iron sheets, the tensioning springs are in a natural state.

Through adopting above-mentioned technical scheme, when the backup pad is in the horizontality, taut spring is in tensile state, and when the backup pad overturned downwards, taut spring can stimulate the backup pad, makes the backup pad overturn to vertical state more fast, avoids producing the influence to the whereabouts of package, also can be taut with the backup pad simultaneously, has further avoided the backup pad gyration.

The utility model discloses further set up to: and a buffer cushion is arranged on one side opposite to the two magnetic blocks.

Through adopting above-mentioned technical scheme, the blotter can cushion the contact between iron sheet and the magnetic path, and then protects the magnetic path, avoids the striking dynamics of backup pad too big and lead to the magnetic path broken.

The utility model discloses further set up to: one side of the supporting block, which is close to the supporting plate, is provided with a reinforcing plate, a positioning plate is arranged on the reinforcing plate, and the supporting rod penetrates through the positioning plate.

Through adopting above-mentioned technical scheme, reinforcing plate and locating plate can support the bracing piece, have improved the structural strength of bracing piece, avoid the bracing piece to warp because of package piece weight is too big, and the locating plate also can carry on spacingly to the direction of bracing piece motion simultaneously, prevents that the bracing piece from shaking the skew.

The utility model discloses further set up to: the outside cover of bracing piece is equipped with buffer spring, buffer spring's one end fixed connection in the bracing piece, buffer spring's the other end butt in support the cylinder, work as when support the piston rod of cylinder is in the state of withdrawing, buffer spring is in compression state.

Through adopting above-mentioned technical scheme, buffer spring can play the cushioning effect when supporting cylinder's piston rod is withdrawed, has further avoided the bracing piece to take place vibrations, also can protect supporting cylinder simultaneously, has prolonged supporting cylinder's life.

The utility model discloses further set up to: and V-shaped grooves are formed in the opposite sides of the two supporting plates.

Through adopting above-mentioned technical scheme, the setting of V-arrangement groove is convenient for fix the package, makes the package keep firm to in the accuracy of improvement test result.

To sum up, the utility model discloses a beneficial technological effect does:

the supporting cylinder drives the supporting rod to remove the support of the supporting plate, so that the supporting plate can turn over downwards freely, the packaging piece can fall freely and impact the ground, and the accuracy of a test result is improved;

the reinforcing rod can improve the structural strength of the supporting shaft, the supporting shaft is prevented from being deformed when the weight of the packaging piece is too large, the magnetic block and the iron sheet can be mutually adsorbed when the supporting plate is turned downwards, the supporting plate is attached to the reinforcing rod, and the supporting plate is prevented from rotating to block the falling of the packaging piece;

the tensioning spring can pull the supporting plate when the supporting plate is turned downwards, so that the supporting plate is turned to a vertical state more quickly, the falling of a packaging piece is prevented from being influenced, the supporting plate can be tensioned, and the rotation of the supporting plate is further avoided.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of another view angle of the present invention.

Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 2.

In the figure, 1, a base; 11. a guide post; 111. a slide bar; 2. a support mechanism; 21. a support block; 211. a slide rail; 22. a support shaft; 23. a support plate; 231. a V-shaped groove; 232. iron sheets; 24. a support cylinder; 25. a support bar; 251. a roller; 252. a buffer spring; 26. a reinforcing bar; 261. a magnetic block; 2611. a cushion pad; 27. tensioning the spring; 28. a reinforcing plate; 29. positioning a plate; 3. a fixing mechanism; 31. a guide bar; 32. a connecting rod; 33. fixing the rod; 34. fixing the bolt; 35. a corner fixing member; 36. a ridge fixing member; 4. a lifting mechanism; 41. mounting a plate; 42. a motor; 43. a screw rod; 44. a lifting block; 5. and a strike plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a drop test machine convenient to make package free fall, including place at subaerial striking plate 5, through bolt fixed mounting in the base 1 of striking plate 5 upper surface one end, connect perpendicularly in the guide pillar 11 of base 1 upper surface, be used for placing the supporting mechanism 2 of package and be used for fixing the fixed establishment 3 to the package.

Two ends of the supporting block 21 are respectively and horizontally connected with a supporting shaft 22 and a rectangular supporting plate 23, one side of the two supporting plates 23 far away from each other is respectively hinged with the two supporting shafts 22, and a gap is formed between the two supporting plates 23. Two supporting cylinders 24 are fixedly mounted on the supporting block 21 through bolts, the two supporting cylinders 24 are located between the two supporting shafts 22, piston rods of the two supporting cylinders 24 are fixedly connected with a cylindrical supporting rod 25, and when the piston rods of the supporting cylinders 24 are in an extending state, the supporting rod 25 abuts against the lower surface of the supporting plate 23.

The fixing mechanism 3 comprises a guide rod 31 vertically connected to the supporting block 21, the bottom end of the guide rod 31 is rotatably connected with the supporting block 21 through a bearing, a connecting rod 32 is slidably sleeved on the outer side of the guide rod 31, a fixing rod 33 penetrates through the side wall of the connecting rod 32 in a sliding mode, and the guide rod 31, the connecting rod 32 and the fixing rod 33 are connected in a mutually perpendicular mode. Both ends of the connecting rod 32 are threaded with a fixing bolt 34, and the guide rod 31 and the fixing rod 33 are fixed with the connecting rod 32 through the fixing bolt 34. The two ends of the fixing rod 33 are respectively provided with an angle fixing piece 35 and an edge fixing piece 36, the angle fixing piece 35 is formed by splicing three triangular iron sheets 232 with the same size to form a triangular pyramid shape, and the edge fixing piece 36 is formed by vertically connecting two rectangular iron sheets 232 with the same size.

When testing is carried out, the piston rod of the supporting cylinder 24 is in an extending state, the supporting rod 25 abuts against the lower surface of the supporting plate 23 and supports the supporting plate 23, then the top corners or edges of the packages are embedded in the gaps between the two supporting plates 23, and the corner fixing members 35 or the edge fixing members 36 are matched with the top corners or edges of the packages and are positioned by sliding the connecting rod 32 and the fixing rod 33. The supporting cylinder 24 is started, the supporting cylinder 24 drives the supporting rod 25 to retract and release the support of the supporting plate 23, the supporting plate 23 can turn downwards due to the fact that the supporting plate 23 is rotatably connected with the supporting shaft 22, the packaging piece can fall down freely from the supporting plate 23 and is collided with the ground, and accuracy of test data is improved.

One side that two backup pads 23 are relative all seted up a V-arrangement groove 231, and two V-arrangement grooves 231 set up relatively, and V-arrangement groove 231 is used for fixing the package, makes the package keep firm to improve the accuracy of test result.

Referring to fig. 2 and 3, the rollers 251 are rotatably mounted at the ends of the two support rods 25 far away from the support cylinder 24, the rollers 251 are in sliding fit with the lower surfaces of the support plates 23, and the rollers 251 can reduce the friction between the support rods 25 and the support plates 23 when the support rods 25 are retracted, so that the support rods 25 are more easily retracted, the friction loss between the support rods 25 and the support plates 23 is reduced, and the support plates 23 are prevented from being difficult to be in a horizontal state due to long-term abrasion between the support rods 25 and the support plates 23.

Referring to fig. 2 and 4, the middle parts of the bottoms of the two support shafts 22 are fixedly connected with a cylindrical reinforcing rod 26 through bolts, a magnetic block 261 is bonded on one side opposite to the two reinforcing rods 26, and iron sheets 232 corresponding to the magnetic block 261 are bonded on the lower surfaces of the two support plates 23. Stiffener 26 can improve the structural strength of back shaft 22, avoids package weight too big often to lead to back shaft 22 to warp, and when backup pad 23 overturns downwards, magnetic path 261 can adsorb iron sheet 232, makes backup pad 23 and stiffener 26 laminate mutually, prevents backup pad 23 gyration and causes the hindrance to the whereabouts of package, avoids the accuracy of test result to receive the influence.

Four apex angle departments of the relative side of two magnetic blocks 261 all bond there is the blotter 2611 of sponge material to be used for buffering the contact between iron sheet 232 and the magnetic block 261, and then protect magnetic block 261, avoid backup pad 23's striking dynamics too big and lead to the magnetic block 261 breakage.

Referring to fig. 2, a tension spring 27 is connected between each of the two reinforcing rods 26 and each of the two supporting plates 23, and when the magnetic block 261 abuts against the iron sheet 232, the tension spring 27 is in a natural state. In the process of turning the support plate 23 downwards, the tension spring 27 is in a stretching state, and then pulls the support plate 23, so that the support plate 23 is turned to a vertical state more quickly, and the falling of the package is prevented from being influenced. Meanwhile, the supporting plate 23 can be tensioned when the supporting plate 23 is in a vertical state, and the supporting plate 23 is further prevented from rotating.

Referring to fig. 3, two reinforcing plates 28 are horizontally welded on one side of the supporting block 21 close to the supporting plate 23, the upper surfaces of the two reinforcing plates 28 far away from one end of the supporting block 21 are respectively and vertically connected with a positioning plate 29 through bolts, and the two supporting rods 25 are respectively and penetratingly arranged on the two positioning plates 29. The reinforcing plate 28 and the positioning plate 29 are used for supporting the supporting rod 25, so as to improve the structural strength of the supporting rod 25 and prevent the supporting rod 25 from being deformed due to the overlarge weight of the packaging piece. Meanwhile, the positioning plate 29 can limit the movement direction of the supporting rod 25, so that the supporting rod 25 is prevented from vibrating and deviating.

The outside of every bracing piece 25 all is equipped with a buffer spring 252, and the fixed welding in bracing piece 25 of one end of buffer spring 252, and the other end butt of buffer spring 252 is in supporting cylinder 24, and when the piston rod that supports cylinder 24 was in the state of withdrawing, buffer spring 252 was in the compression state. When the piston rod of the supporting cylinder 24 is retracted, the buffer spring 252 can play a role in buffering, so that the supporting rod 25 is prevented from vibrating, the supporting cylinder 24 can be protected, and the service life of the supporting cylinder 24 is prolonged.

Referring to fig. 1, a lifting mechanism 4 for controlling the lifting of the supporting block 21 is installed on a side of the guide post 11 away from the supporting plate 23, and the lifting mechanism 4 includes a mounting plate 41 horizontally installed on the top of the guide post 11 by bolts, a motor 42 fixedly installed on the upper surface of the mounting plate 41 by bolts, and a lead screw 43 vertically connected to the rotating shaft of the motor 42. The screw 43 penetrates through the mounting plate 41 and is rotatably connected to the base 1 through a bearing, a lifting block 44 is sleeved on the outer side of the screw 43 in a threaded manner, and one side face of the lifting block 44 is fixedly connected to the supporting block 21 through a bolt. Two sides of the guide post 11 are respectively vertically provided with a slide bar 111 through bolts, and the supporting block 21 is fixedly provided with a slide rail 211 matched with the slide bar 111 through bolts.

Through with draw runner 111 slip inlay locate in slide rail 211, make supporting shoe 21 slip cap locate guide pillar 11, make lead screw 43 drive supporting shoe 21 through starter motor 42 and go up and down when the test, and then adjust the height of backup pad 23 to in the height that freely falls down to the package according to the test demand adjusts, so that guarantee the accuracy of test.

The implementation principle of the embodiment is as follows: the supporting cylinder 24 drives the supporting rod 25 to release the support of the supporting plate 23, so that the supporting plate 23 can turn over downwards freely, the packaging piece can fall freely and impact the ground, and the accuracy of a test result is improved. Through setting up magnetic path 261 and iron sheet 232 and adsorbing each other when backup pad 23 overturns downwards, make backup pad 23 and stiffener 26 laminate mutually, prevent that backup pad 23 from turning back and causing the hindrance to the whereabouts of packing piece. Through setting up straining spring 27 and pulling backup pad 23 when backup pad 23 overturns downwards, make backup pad 23 overturn to vertical state faster, avoid producing the influence to the whereabouts of package, also can be taut with backup pad 23 simultaneously, further avoided backup pad 23 to revolve. The package is adjusted in height by arranging the lifting mechanism 4 so as to freely fall according to the test requirement, so that the test accuracy is ensured.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a drop test machine convenient to make package free fall, includes striking plate (5), set up in base (1) on striking plate (5), set up in guide pillar (11) on base (1), supporting mechanism (2) for placing the package and be used for fixing fixed establishment (3) to the package, supporting mechanism (2) cover is located the outside of guide pillar (11), be provided with on guide pillar (11) and be used for controlling elevating system (4) that supporting mechanism (2) go up and down, its characterized in that: the supporting mechanism (2) comprises a supporting block (21) sleeved on the outer side of the guide pillar (11), two ends of the supporting block (21) are respectively and horizontally connected with a supporting shaft (22) and a supporting plate (23), one side edge, away from the supporting plate (23), of the supporting plate is respectively and rotatably connected with the two supporting shafts (22), a space is formed between the two supporting plates (23), two supporting cylinders (24) are further arranged on the supporting block (21), the two supporting cylinders (24) are located between the two supporting shafts (22), piston rods of the two supporting cylinders (24) are respectively connected with a supporting rod (25), and when the piston rods of the supporting cylinders (24) are in a stretching state, the supporting rods (25) abut against the lower surface of the supporting plates (23).

2. A drop test machine for facilitating free fall of packages according to claim 1, wherein: and one end of the support rod (25) far away from the support cylinder (24) is provided with a roller (251).

3. A drop test machine for facilitating free fall of packages according to claim 1, wherein: reinforcing rods (26) are vertically connected to the lower portions of the two supporting shafts (22), magnetic blocks (261) are arranged on the opposite sides of the two reinforcing rods (26), and iron sheets (232) corresponding to the magnetic blocks (261) are arranged on the lower surfaces of the two supporting plates (23).

4. A drop test machine for facilitating free fall of packages according to claim 3, wherein: and tensioning springs (27) are respectively connected between the two reinforcing rods (26) and the two supporting plates (23), and when the magnetic block (261) is abutted to the iron sheet (232), the tensioning springs (27) are in a natural state.

5. A drop test machine for facilitating free fall of packages according to claim 4, wherein: a buffer pad (2611) is arranged on one side opposite to the two magnetic blocks (261).

6. A drop test machine for facilitating free fall of packages according to claim 1, wherein: one side of the supporting block (21) close to the supporting plate (23) is provided with a reinforcing plate (28), a positioning plate (29) is arranged on the reinforcing plate (28), and the supporting rod (25) penetrates through the positioning plate (29).

7. A drop test machine for facilitating free fall of packages according to claim 6, wherein: the outer side cover of bracing piece (25) is equipped with buffer spring (252), the one end fixed connection of buffer spring (252) in bracing piece (25), the other end butt of buffer spring (252) in support cylinder (24), when the piston rod of support cylinder (24) is in the state of withdrawing, buffer spring (252) are in compression state.

8. A drop test machine for facilitating free fall of packages according to claim 1, wherein: v-shaped grooves (231) are formed in the opposite sides of the two supporting plates (23).