TWI418773B - Impact testing apparatus - Google Patents

Description

Impact test device

The invention relates to an impact testing device.

In the quality control process, the impact resistance of some products needs to be tested. Existing impact testing devices typically include a washer, a latch, and a sleeve that is provided with a plurality of slots in the height direction. a circular hole is formed in the gasket, a workpiece to be tested is placed between the gasket and the sleeve, and a circular hole of the gasket faces the drop hammer, and the drop hammer is raised to a certain height as required, and the bolt is inserted In the drop hammer, the latch is stuck in the corresponding slot of the sleeve. Then, the latch is pulled out to freely drop the drop hammer, and the damage of the workpiece to be tested is checked.

The relative position of the round hole of the washer and the sleeve needs manual adjustment control, and the degree of concentricity is not easy to control; the number of slots of the sleeve is limited, so that the height of the drop hammer cannot be arbitrarily set; and the drop hammer is fixed by using a bolt. The way is extremely inconvenient. The impact test apparatus of the prior art has poor repeatability and low measurement efficiency.

In view of the above, it is necessary to provide an impact test device with high measurement efficiency.

An impact testing device includes a base, a bracket fixed to the base, a drop hammer mounted on the bracket, and a locking device, the locking device including a The locking device slides the locking mechanism of the bracket in the vertical direction, and the locking device further includes a latching mechanism that is slidably disposed in the horizontal direction to the locking mechanism, and the latching mechanism can move the latching mechanism a drop hammer, the bracket includes a side plate, the side plate includes a sliding slot disposed in a vertical direction, the drop hammer includes a hammer body and a handle, and one end of the handle passes through the sliding slot from the outer side of the side plate and is fixed Set on the hammer body.

Compared with the prior art, the locking device can be vertically slid along the bracket to fix the drop hammer to any height of the bracket, so that the impact testing device of the present invention has the advantage of high measurement efficiency.

10‧‧‧Base

11‧‧‧Adjustment bolts

12‧‧‧Workbench

13‧‧‧Support bolts

14‧‧‧Loading Department

16‧‧‧ Strengthening board

125‧‧‧Positioning holes

20‧‧‧ bracket

21‧‧‧First side panel

217‧‧‧First chute

22‧‧‧ second side panel

221‧‧‧Second chute

23‧‧‧ Third side panel

24‧‧‧ fourth side panel

30‧‧‧ Drop hammer

31‧‧‧ Hammer

311‧‧‧The locking part

313‧‧‧ Punch

315, 535, 552‧‧ ‧ threaded holes

33‧‧‧handle

331, 511, 541‧‧‧ screw

40‧‧‧Washers

41‧‧‧ cushion

43‧‧‧ round hole

45‧‧‧Positioning column

50‧‧‧Locking device

51‧‧‧ button

52‧‧‧Flexible components

53‧‧‧Lock knob

531‧‧‧Operation Department

533‧‧‧Apartment

54‧‧‧Sliding parts

543‧‧‧ Slider

5431‧‧‧stops

5432‧‧‧Sliding section

545‧‧‧ accommodating holes

55‧‧‧ card stop

551‧‧‧Slider

553‧‧‧ frame

554‧‧‧Mounting holes

57‧‧‧Locating pin

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a perspective assembled view of a preferred embodiment of the impact testing device of the present invention.

FIG. 2 is another perspective exploded view of FIG. 1. FIG.

Figure 3 is an exploded perspective view of the locking device of Figure 2.

Figure 4 is a left side view of Figure 1.

Figure 5 is a partial cross-sectional view of another perspective of Figure 4.

Figure 6 is a partial enlarged view of Figure 5.

Figure 7 is a diagram showing the state of use of Figure 6.

Figure 8 is a view showing a state of use of a preferred embodiment of the impact testing device of the present invention and a workpiece to be tested.

Figure 9 is a view showing a state of use of a preferred embodiment of the impact test apparatus of the present invention and another workpiece to be tested.

1 and 2, a preferred embodiment of the impact testing device of the present invention for measuring the impact resistance of a workpiece includes a base 10, a bracket 20, a drop hammer 30, a washer 40, and a locking mechanism. Device 50.

The base 10 includes a table 12, a plurality of adjusting bolts 11, a plurality of supporting bolts 13, a carrying portion 14 and a triangular reinforcing plate 16. The adjusting bolts 11 are mounted on the bottom of the table 12 and abut against a supporting surface, and are adjustable to level the table 12. A support bolt 13 is adjustably mounted on the top of the table 12. A positioning hole 125 is defined in a middle portion of the table 12. The carrying portion 14 has an L shape, one end of which is vertically mounted on the table 12, and one side of the reinforcing plate 16 is fixedly mounted on the top of the other end of the carrying portion 14.

The bracket 20 is hollow and has a substantially square cross section, and includes a first side plate 21, a second side plate 22, a third side plate 23 and a fourth side plate 24. A first sliding slot 217 is defined in the middle portion of the first side panel 21 along the longitudinal direction thereof. The second side panel 22 defines a second sliding slot 221 along the longitudinal direction thereof.

The drop hammer 30 includes a hammer body 31 and a handle 33. The top of the hammer body 31 extends a locking portion 311, and a punch 313 extends from the bottom. The top of the locking portion 311 has a tapered shape and a bottom portion. The hammer body 31 defines a threaded hole 315. The handle 33 includes a screw 331.

The top of the gasket 40 defines a circular hole 43 for receiving a cushion 41, and a bottom portion thereof extends from a cylindrical portion of the circular hole 43 and has a cylindrical positioning post 45 (shown in FIG. 5).

Referring to FIG. 3 together, the locking device 50 includes a button 51, an elastic member 52, a locking knob 53, a sliding member 54, a blocking member 55 and a positioning pin 57. The button 51 a vertical extension of a screw 511. The locking knob 53 includes an operating portion 531 and an abutting portion 533 extending perpendicularly from a side of the operating portion 531. The locking knob 53 defines a threaded hole 535 extending through the handle 531 and the abutting portion 533 . The slider 54 includes a slider 543 and a screw 541 disposed vertically on the side of the slider 543. The slider 543 is T-shaped and includes a blocking portion 5431 and a sliding portion 5432 extending perpendicularly from a side of the blocking portion 5431. The sliding member 54 further defines a capacity extending through the screw 541 and the slider 543. Hole 545 is placed. The latching member 55 includes a sliding bar 551 and a frame 553 disposed at one end of the sliding bar 551 and having upper and lower ends. The frame 553 is provided with a side wall parallel to the sliding bar 551. A mounting hole 554 to which the positioning pin 57 can be mounted. The positioning pin 57 can also be integrally formed on the frame 553. The other end of the slide bar 551 is provided with a threaded hole 552 along its length.

Referring to FIG. 4 to FIG. 6 together, the positioning pin 57 of the locking device 50 is fixed to the two mounting holes 554 of the locking member 55 during assembly. The sliding rod 551 of the blocking member 55 is slidably mounted on the receiving hole 545 of the sliding member 54. The sliding portion 5432 of the slider 543 of the slider 54 is slidably mounted from the bottom of the bracket 20 to the first sliding slot 217 of the bracket 20, and the blocking portion 5431 of the slider 543 is blocked by the first sliding The inner surface of the groove 217. The locking screw 53 is rotated to screw the screw 541 of the sliding member 54 into the threaded hole 535 of the locking knob 53 , and the abutting portion 533 of the locking knob 53 abuts against the outer surface of the first sliding slot 217 . The sliding rod 551 of the blocking member 55 can extend out of the locking knob 53 . The screw 511 of the button 51 is screwed into the threaded hole 552 of the locking member 55 to fix the button 51 to the locking member 55 . The button 52 is mounted between the button 51 and the screw 541 of the slider 54, and its elastic force causes the button 51 to move in a direction away from the bracket 20. Tightening the locking knob 53 fixes the locking device 50 to a position of the first sliding slot 217. The locking knob 53 and The sliding member 54 constitutes a locking mechanism for positioning the locking device 50 on the bracket 20, and the button 51, the elastic member 52, the blocking member 55 and the positioning pin 57 constitute a card capable of actively blocking the falling weight 30 Block mechanism.

The hammer body 31 of the drop weight 30 is slidably received from the bottom of the bracket 20 to the bracket 20, and the punch 313 of the hammer body 31 faces downward. The screw 331 of the handle 33 of the drop weight 30 passes through the second sliding slot 221 of the bracket 20 and is screwed to the threaded hole 315 of the hammer body 31. The cushion 41 of the washer 40 is placed at the bottom of the circular hole 43 of the washer 40. The positioning post 45 of the washer 40 is mounted on the positioning hole 125 of the table 12 of the base 10.

A plurality of screws pass through the second end of the bearing portion 14 of the base 10 and the bottom of the bracket 20, and a plurality of screws pass through the fourth side plate 24 of the bracket 20 and the reinforcing plate 16 of the base 10, and the bracket 20 is fixed to the bracket 20 The base 10 is such that the bracket 20 is perpendicular to the table 12 of the base 10, and the central axis of the hammer 31 of the drop weight 30 coincides with the central axis of the circular hole 431 of the bearing portion 43 of the washer 40. Pulling the handle 33 of the drop hammer 30 upwards, the top of the locking portion 311 of the hammer 31 of the drop hammer 30 can be pushed against the positioning pin 57 of the latching member 55 of the locking device 50, so that the locking device 50 The elastic member 52 is elastically deformed, and the top of the locking portion 311 of the hammer body 31 passes through the latching portion 553 of the latching member 55 of the locking device 50. The elastic restoring force of the elastic member 52 causes the locking device to be locked. The sliding rod 551 of the latching member 55 of the 50 is slid and drives the positioning pin 57 of the latching member 55 of the locking device 50 to catch the locking portion 311 of the hammer body 31, so that the falling weight 30 can be fixed to the bracket 20.

Referring to FIGS. 7 and 8 together, when testing the impact resistance of a workpiece 60a to be tested, the locking device 50 and the drop weight 30 are fixed to a predetermined height of the bracket 20 according to the requirements of the impact resistance test. The workpiece 60a to be tested is placed on the top end of the gasket 40. Pressing the button 51 of the locking mechanism 50, the elastic member 52 is compressed, the locking device 50 The latching member 55 is moved toward the bracket 20 by the button 51, so that the locking portion 311 of the hammer body 31 of the drop hammer 30 is disengaged from the positioning pin 57 of the latching member 55 and falls from the preset height.

Referring to FIG. 9 together, when testing the impact resistance of another workpiece 60b to be tested, the locking mechanism 50 and the drop weight 30 are fixed at a predetermined height position of the bracket 20 according to the requirements of the impact resistance test. The workpiece 60b is placed on the top end of the washer 40 and the support bolts 13. The support bolts 13 can be adjusted to smoothly press the workpiece 60b against the top end of the washer 40 during the test. Guarantee the accuracy of the measurement.

In summary, the present invention complies with the requirements of the invention patent and submits a patent application according to law. The above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims.

10‧‧‧Base

11‧‧‧Adjustment bolts

12‧‧‧Workbench

13‧‧‧Support bolts

14‧‧‧Loading Department

16‧‧‧ Strengthening board

20‧‧‧ bracket

21‧‧‧First side panel

22‧‧‧ second side panel

221‧‧‧Second chute

23‧‧‧ Third side panel

24‧‧‧ fourth side panel

30‧‧‧ Drop hammer

40‧‧‧Washers

50‧‧‧Locking device

Claims (10)

An impact testing device includes a base, a bracket fixed to the base, a drop hammer slidably mounted to the bracket, and a locking device including a sliding device for sliding the locking device in a vertical direction a locking mechanism is disposed on the bracket, the locking device further includes a latching mechanism that is slidably disposed in the horizontal direction to the locking mechanism, and the latching mechanism can moveably block the drop hammer, and the bracket includes a side panel The side panel includes a sliding slot disposed in a vertical direction, the drop hammer includes a hammer body and a handle, and one end of the handle passes through the sliding slot from the outer side of the side panel and is fixedly mounted on the hammer body. The impact testing device of claim 1, wherein the bracket comprises a side panel, the side panel includes a sliding slot disposed in a vertical direction, the locking mechanism includes a locking knob and a sliding member, the locking The knob includes an abutting portion and a threaded hole extending through the locking knob, the sliding member includes a slider and a screw disposed perpendicularly to the slider, the screw of the sliding member passes through the sliding plate from the inner side of the side plate Slot and screw into the threaded hole of the locking knob so that the slider abuts the inner side of the side plate and the abutting portion of the locking knob abuts the outer side of the side plate, and the locking device is assembled along the sliding slot On the side panel of the bracket. The impact testing device of claim 2, wherein the blocking mechanism comprises a button, an elastic member and a blocking member, the sliding member defines a receiving hole extending through the sliding member and the screw thereof, One end of the latching member is slidably disposed from the inner side of the side panel, and the button is fixedly disposed at an end of the latching member adjacent to the outer side of the side panel. The elastic component is mounted on the button and the screw of the sliding member Between them, the elastic force causes the blocking member to slide toward the button, and the blocking member can actively block the falling hammer. The impact testing device of claim 3, wherein a positioning pin is disposed at an end of the latching member adjacent to the inner side of the side panel, and a top portion of the drop hammer is provided with a locking portion, the locking portion can be positioned Pin block. The impact testing device of claim 1, wherein the base comprises a working table and a set of carrying portions disposed on the working table, the bracket is perpendicular to the working table, and one end of the bracket is fixedly mounted on the carrying unit. The impact testing device of claim 5, wherein the base further comprises a plurality of adjusting bolts mounted on the bottom of the table and abutting against a supporting surface, and adjustable to make the working table Level. The impact testing device of claim 5, wherein the impact testing device further comprises a gasket positionable on the base, the gasket is provided with a circular hole, a central axis of the circular hole and a central axis of the falling weight coincide. The impact testing device of claim 7, wherein a central portion of the workbench has a positioning hole, and the gasket includes a positioning post extending from a bottom thereof, and the positioning post of the gasket can be worn in the work. Positioning hole of the table. The impact testing device of claim 8, wherein the base further comprises a plurality of support bolts, the support bolts being adjustably mounted on the top of the workbench. The impact testing device of claim 7, wherein the gasket further comprises a cushion placed at the bottom of the circular hole of the gasket.