CN217277332U - Multi-station pendulum impact testing machine for plastic bag testing - Google Patents

Abstract

The utility model discloses a multistation pendulum bob impact testing machine for plastic bag test, including base, stand, left crossbeam, right crossbeam, pendulum rod and arc impact rod, be provided with the axle bed on the right crossbeam, be provided with the pivot on the axle bed, be provided with carousel mechanism in the pivot, carousel mechanism includes a plurality of (holding) chuck along pivot cross section circumference evenly distributed, and the (holding) chuck includes bottom ring and the coaxial clamping ring that sets up on the bottom ring of detachable; a limiting mechanism is also arranged between the shaft seat and the rotating shaft in a matching way, the limiting mechanism comprises a spring pin arranged on the shaft seat and a plurality of pin holes arranged on the peripheral surface of the rotating shaft, and when the spring pin is clamped in the pin holes, one chuck plate is in a position matched with the arc impact rod; the utility model discloses can fix a plurality of plastic bags of criticizing before experimental the beginning, experimental start back arc impact bar punctures the plastic bag on a (holding) chuck after the experimenter can quick adjustment carousel mechanism make next (holding) chuck be located the examination position that awaits measuring, make things convenient for the continuous quick go on of impact test.

Description

Multi-station pendulum impact testing machine for plastic bag testing

Technical Field

The utility model relates to a pendulum impact tester field, concretely relates to multistation pendulum impact tester is used in plastic bag test.

Background

Need carry out sampling shock resistance test after the plastics wrapping bag production is accomplished, pendulum impact tester is exactly the instrument and equipment that is used for accomplishing this test, but only has a station of centre gripping plastic bag on the current pendulum impact tester, and the impact bar collides at every turn and punctures just need dismantle the same batch of plastic bag of more renewing behind the plastic bag, and is more troublesome, is unfavorable for obtaining the impact strength parameter of plastic bag fast.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the background art, the utility model aims to provide a multistation pendulum impact tester is used in plastic bag test, it has effectively solved the problem existing among the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a multi-station pendulum impact testing machine for plastic bag testing comprises a base, an upright post, a left cross beam, a right cross beam, a swing rod and an arc impact rod, wherein a shaft seat is arranged on the right cross beam, a rotating shaft is arranged on the shaft seat, a turntable mechanism is arranged on the rotating shaft, the turntable mechanism comprises a plurality of chuck plates which are uniformly distributed along the circumferential direction of the cross section of the rotating shaft, and each chuck plate comprises a bottom ring and a detachable pressing ring which is coaxially arranged on the bottom ring; still the cooperation is provided with stop gear between axle bed and the pivot, stop gear is including setting up the spring catch on the axle bed and setting up a plurality of pinholes on the pivot is global, and a plurality of pinholes are along the cross section circumference evenly distributed of pivot, when the spring catch card is gone into the pinhole, one of them (holding) chuck is in with arc impact lever complex position.

Further, the bottom ring is fixedly connected with the rotating shaft through a horizontal connecting rod.

Furthermore, at least two groups of threaded holes are correspondingly formed in the bottom ring and the compression ring, and hand-screwed screws are arranged in the threaded holes.

Furthermore, an identification plate is arranged on the compression ring.

Furthermore, the spring pin comprises a pin sleeve fixedly arranged on the shaft seat, a pin rod with one end extending into the shaft seat is slidably arranged in the pin sleeve in a penetrating mode, a limiting disc is fixedly arranged on the pin rod in the pin sleeve, and a reset spring is sleeved on the pin rod on the right side of the limiting disc in the pin sleeve.

The utility model discloses following beneficial technological effect has:

the utility model discloses in used carousel mechanism, can be at the beginning of the experiment fixed a plurality of with criticize the plastic bag, the experiment after beginning arc impact rod puncture one of them (holding) chuck behind the plastic bag that experimenter can quick adjustment carousel mechanism make next (holding) chuck be located the examination position that awaits measuring, make things convenient for impact test's continuous quick going on, do benefit to the impact test parameter that obtains this kind of plastic bag in the short time, have very strong practicality.

Drawings

FIG. 1 is a front view of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the present invention;

fig. 3 is a schematic structural view of a spring pin according to an embodiment of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, the multistation pendulum impact tester for plastic bag testing described in this embodiment includes a base 1, an upright 2, a left beam 3, a right beam 4, a swing rod 5, and an arc impact rod 6, wherein the upright 2 is further provided with a dial 7 with scales, the dial 7 is provided with a pointer 8, the assembly structure of the base 1, the upright 2, the left beam 3, the right beam 4, the swing rod 5, the arc impact rod 6, the dial 7, and the pointer 8 is the prior art in the field, and is not described herein again, the right beam 4 is provided with a shaft seat 9, the shaft seat 9 is provided with a rotating shaft 10, the rotating shaft 10 is provided with a turntable mechanism, the turntable mechanism includes a plurality of chucks 111 uniformly distributed along the circumferential direction of the cross section of the rotating shaft 10, and the chuck 11 includes a bottom ring 12 and a detachable pressing ring 13 coaxially disposed on the bottom ring 12; a limiting mechanism is further arranged between the shaft seat 9 and the rotating shaft 10 in a matched mode, the limiting mechanism comprises a spring pin arranged on the shaft seat 9 and a plurality of pin holes 14 arranged on the peripheral surface of the rotating shaft 10, the pin holes 14 are evenly distributed along the circumferential direction of the cross section of the rotating shaft 10, and when the spring pin is clamped into the pin holes 14, one chuck 11 is located at a position matched with the arc-shaped impact rod 6.

The end ring 12 links firmly with pivot 10 mutually through horizontal connecting rod 15, corresponds on end ring 12 and the clamping ring 13 and has seted up two sets of at least screw holes, and threaded hole is provided with hand screw 16, is provided with signboard 17 on the clamping ring 13, writes the arabic numeral in proper order on the signboard 17 of preferred, is convenient for distinguish each plastic bag test sample.

The spring pin comprises a pin sleeve 18 fixedly arranged on the shaft seat 9, a pin rod 19 with one end extending into the shaft seat 9 is slidably arranged in the pin sleeve 18 in a penetrating mode, a limiting disc 20 is fixedly arranged on the pin rod 19 in the pin sleeve 18, and a return spring 21 is sleeved on the pin rod 19 on the right side of the limiting disc 20 in the pin sleeve 18.

Jacks are respectively arranged at the left side and the right side of the base 1, extension rods 22 are arranged in the jacks in a pluggable manner, hook plates 23 are rotatably arranged at the outer sides of the extension rods 22, strip-shaped holes 24 communicated with the jacks are respectively arranged at the front side and the rear side of the base 1, studs 25 extending out of the strip-shaped holes 24 are fixedly arranged on the extension rods 22, base abutting nuts 26 are screwed on the studs 25, and the extension rods 22 are fixed by screwing the base abutting nuts 26; in the actual use process, the extension rods 22 on the left side and the right side of the base 1 are pulled out, the hook plates 23 are hooked on the left side and the right side of the desktop, the extension rods 22 are tightened, then the base is screwed tightly to abut against the nuts 26, the base 1 can be fixed on the desktop, and the stability of a machine in the test process is guaranteed; when the machine is stored, the base abutting nut 26 is loosened to store the extension rod 22, the hook plates 23 are rotated to be attached to the left side and the right side of the base 1 and not protrude out of the bottom surface of the base 1, and then the base abutting nut 26 is screwed again.

The working principle of the embodiment is as follows:

firstly, a plastic bag to be tested is placed on a bottom ring 12, then a pressing ring 13 is fixed on the bottom ring 12 through hand-screwed screws 16, so that the plastic bag is clamped, the plastic bag is fixed on each chuck 11 by the method, then the swing rod 5 and the arc-shaped impact rod 6 are adjusted to the positions to be triggered, the pointer 8 is arranged, then the test is started, the arc-shaped impact rod 6 breaks the plastic bag on one chuck 11 and resets the plastic bag, then the spring pin is pulled out and the rotating shaft 10 is rotated, the next adjacent chuck 11 is adjusted to the test position, the rotating shaft 10 is fixed by the spring pin and then the swing rod 5 and the arc-shaped impact rod 6 are operated again, and the like, and the rest can be done until the impact strength parameters of the plastic bag are obtained; compared with the existing products, the turntable mechanism is applied in the embodiment, a plurality of plastic bags in the same batch can be fixed at the beginning of the test, and after the arc impact rod 6 punctures the plastic bag on one of the chucks 11 after the test, a tester can quickly adjust the turntable mechanism to enable the next chuck 11 to be located at the position to be tested, so that the impact test can be continuously and quickly carried out, the impact test parameters of the plastic bag can be obtained in a short time, and the practicability is very high.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (5)

1. A multi-station pendulum impact testing machine for plastic bag testing comprises a base, an upright post, a left cross beam, a right cross beam, a swing rod and an arc impact rod, and is characterized in that a shaft seat is arranged on the right cross beam, a rotating shaft is arranged on the shaft seat, a turntable mechanism is arranged on the rotating shaft, the turntable mechanism comprises a plurality of chuck plates which are uniformly distributed along the circumferential direction of the cross section of the rotating shaft, and each chuck plate comprises a bottom ring and a detachable pressing ring which is coaxially arranged on the bottom ring; still the cooperation is provided with stop gear between axle bed and the pivot, stop gear is including setting up the spring catch on the axle bed and setting up a plurality of pinholes on the pivot is global, a plurality of pinholes along the cross section circumference evenly distributed of pivot, when the spring catch card is gone into in the pinhole, one of them (holding) chuck be in with arc impact lever complex position.

2. The multi-station pendulum impact testing machine for the plastic bag test according to claim 1, wherein the bottom ring is fixedly connected with the rotating shaft through a horizontal connecting rod.

3. The multi-station pendulum impact testing machine for testing the plastic bags according to claim 2, wherein the bottom ring and the pressing ring are correspondingly provided with at least two groups of threaded holes, and hand screws are arranged in the threaded holes.

4. The multi-station pendulum impact testing machine for testing plastic bags according to claim 1 or 3, wherein the pressing ring is provided with a signboard.

5. The multi-station pendulum impact testing machine for the plastic bag test according to claim 1, wherein the spring pin comprises a pin sleeve fixedly arranged on the shaft seat, a pin rod with one end extending into the shaft seat is slidably arranged in the pin sleeve in a penetrating manner, a limiting disc is fixedly arranged on the pin rod in the pin sleeve, and a return spring is sleeved on the pin rod on the right side of the limiting disc in the pin sleeve.

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