CN210834472U

CN210834472U - Foam material tensile test fixture device

Info

Publication number: CN210834472U
Application number: CN201921788241.1U
Authority: CN
Inventors: 许小虎; 刘长海; 徐建龙; 朱广; 马建明
Original assignee: Jiangsu Runqiang Packaging Co ltd
Current assignee: Jiangsu Runqiang Packaging Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-06-23
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a foam material tensile test fixture device, including the test bench, equal vertical welding has the curb plate on the test bench both sides, and the equal horizontal welding in two blocks of curb plates upper end has the crossbeam, and swing joint has the movable plate between test bench and the crossbeam, and two movable plates are kept away from and are corresponded the welding on one side of curb plate and have the stopper, and equally divide on the movable plate both ends and do not be equipped with motor and lead screw. The utility model is provided with a rotating shaft driven by a motor to rotate by a movable plate connected with a limiting block, and utilizes the meshing transmission between a driving gear and a driven gear which are correspondingly arranged on the rotating shaft and a screw rod to drive a nut which can vertically move on the screw rod to drive a slide rod to move up and down in a limiting cavity, thereby leading a clamping plate connected on the slide rod to clamp and limit foam materials; the guide groove for sleeving the movable plate is formed in the test bed and the cross beam, so that the movable plate can be driven by the cylinder to move horizontally stably, and sequential stretching operation can be performed on the foam material.

Description

Foam material tensile test fixture device

Technical Field

The utility model relates to a foam material performance test technical field especially relates to a foam material tensile test fixture device.

Background

With the continuous improvement of the industrialization level, the structure and the performance of the traditional foam materials are greatly improved, so that more and more products can be prepared by the foam materials, however, in order to ensure that the finished foam products have the service performance meeting the standard, the foam used as the preparation raw material is generally required to be subjected to a performance test, wherein the stress and the deformation performance of the foam are required to be detected by a tensile test.

Under the traditional detection technology, effective clamping to the foam material is lacked in the test device, and in the stretching process, the foam material is very easy to shake or even fall off, so that the data obtained by stretching detection is lack of accuracy, and certain negative influence is exerted on the manufacturing of the foam product.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that foam material tensile test is difficult to carry out steady centre gripping fixed to it during among the prior art, and a foam material tensile test fixture device that provides.

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

the utility model provides a foam material tensile test fixture device, includes the test bench, equal vertical welding has the curb plate on the test bench both sides, and the equal horizontal welding in two curb plate upper ends has the crossbeam, swing joint has the movable plate between test bench and the crossbeam, two the movable plate is kept away from and is corresponded the welding on one side of curb plate and have the stopper, and equally divide on the movable plate both ends and do not be equipped with motor and lead screw, and all rotate in the movable plate both ends the cover and be equipped with the pivot that is connected with the motor output end, fixed cover is equipped with matched with driving gear and driven gear on pivot and the lead screw respectively, and threaded connection has a nut, two on the lead screw spacing chamber has all been seted up in the stopper, and all slides in the spacing chamber both ends and overlap and be equipped with the slide bar that is connected with.

Preferably, guide grooves are correspondingly formed in two ends of the test bed and the two cross beams, and guide blocks which are sleeved in the guide grooves in a sliding mode are welded at two ends of the vertically arranged moving plate.

Preferably, air cylinders are respectively connected between the two side plates and the two moving plates.

Preferably, the motor and the rotating shaft are horizontally arranged, and the screw rod and the sliding rod are vertically arranged.

Preferably, the driving gear and the driven gear are both bevel gears, and the driving gear is in meshed connection with the driven gear.

Preferably, the openings of the two limiting cavities are horizontally opposite, and the two clamping plates vertically correspond to each other.

Compared with the prior art, the utility model discloses possess following advantage:

1. the utility model discloses a stopper in spacing chamber is seted up to middle and upper fixed connection in the movable plate, and the installation drives rotatory pivot by the motor on the movable plate both ends, utilizes the meshing transmission between driving gear and the driven gear in order to realize the rotation of lead screw, and the slide bar that is connected with splint is driven through the nut at lead screw vertical migration reciprocates in spacing chamber to carry out automatic centre gripping fixedly to the foam material both ends that are located spacing chamber.

2. The utility model discloses a curb plate and the crossbeam that set up L type structure on the test bench utilize the direction of seting up between test bench and the crossbeam to wipe movable mounting horizontal migration's movable plate, thereby through promoting movable plate horizontal migration's stability to fixing the steady tensile of foam material on the stopper to in promote the accuracy of tensile test data.

To sum up, the utility model arranges the rotating shaft driven by the motor to rotate on the moving plate connected with the limiting block, and utilizes the meshing transmission between the driving gear and the driven gear correspondingly arranged on the rotating shaft and the screw rod, so that the nut which can vertically move on the screw rod drives the sliding rod to move up and down in the limiting cavity, thereby leading the clamping plate connected on the sliding rod to clamp and limit the foam material; the guide groove for sleeving the movable plate is formed in the test bed and the cross beam, so that the movable plate can be driven by the cylinder to move horizontally stably, and sequential stretching operation can be performed on the foam material.

Drawings

Fig. 1 is a schematic structural diagram of a foam material tensile test fixture device provided by the present invention;

fig. 2 is the enlarged view of the a-part structure of the fixture device for foam material tensile test provided by the utility model.

In the figure: the device comprises a test bed 1, a side plate 2, a cross beam 3, a guide groove 4, a moving plate 5, a guide block 6, a cylinder 7, a limit block 8, a motor 9, a screw rod 10, a rotating shaft 11, a driving gear 12, a driven gear 13, a nut 14, a limit cavity 15, a slide bar 16 and a clamp plate 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a foam material tensile test fixture device comprises a test bed 1, wherein side plates 2 are vertically welded on two sides of the test bed 1, and cross beams 3 are horizontally welded on upper ends of the two side plates 2, specifically referring to fig. 1 for description, the side plates 2 and the cross beams 3 are of an L-shaped integrated structure, a moving plate 5 is movably connected between the test bed 1 and the cross beams 3, a limit block 8 is correspondingly welded on one side of the two moving plates 5 away from the side plates 2, a motor 9 and a lead screw 10 are respectively arranged on two ends of the moving plate 5, the motor 9 can be a micro servo motor with a product model of MR-J2S-60A, a normally open switch electrically connected with the motor 9 is arranged on the test bed 1 so as to uniformly control the opening and closing of the motor 9, and rotating shafts 11 connected with the output end of the motor 9 are rotatably sleeved in two ends of the moving, fixed cover respectively on pivot 11 and the lead screw 10 is equipped with matched with driving gear 12 and driven gear 13, and threaded connection has nut 14 on the lead screw 10, spacing chamber 15 has all been seted up in two stopper 8, and the equal slip cover in 15 both ends in spacing chamber is equipped with the slide bar 16 that is connected with nut 14, two slide bar 16 covers and all welds splint 17 on locating one end in spacing chamber 15, splint 17 can adopt the silica gel material preparation, so that closely offset foam material, also can prevent to foam material excessive extrusion simultaneously.

With particular reference to the accompanying figure 2: brackets for mounting the motor 9 and the screw rod 10 are welded on two sides of two ends of the moving plate 5, and damping bearings are mounted in the moving plate 5 and the brackets for rotatably mounting the rotating shaft 11 and the screw rod 10.

The test bed is characterized in that guide grooves 4 are correspondingly formed in two ends of the test bed 1 and two cross beams 3, guide blocks 6 which are sleeved in the guide grooves 4 in a sliding mode are welded at two ends of a vertically arranged moving plate 5, so that the horizontally moving plate 5 is horizontally limited, air cylinders 7 are connected between two side plates 2 and the two moving plates 5 respectively, the air cylinders 7 can be selected from electric equipment with the product model of SCD50x100-100-LB, and electromagnetic relays used for controlling the opening and closing of the air cylinders 7 are arranged on the test bed 1.

The motor 9 and the rotating shaft 11 are horizontally arranged, the screw rod 10 and the sliding rod 16 are vertically arranged, the driving gear 12 and the driven gear 13 are both bevel gears, the driving gear 12 is meshed with the driven gear 13, and through meshing transmission between the driving gear 12 and the driven gear 13, bidirectional rotation of the screw rod 10 is achieved, and up-down movement of the nut 14 is achieved.

The openings of the two limiting cavities 15 are horizontally opposite, and the two clamping plates 17 vertically correspond to each other, so that the two ends of the foam material are clamped and fixed.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

firstly, two ends of a foam material to be detected are stably placed in the limiting cavities 15 of the two limiting blocks 8;

secondly, the motor 9 is started through an external normally open switch, an output shaft of the motor 9 drives a rotating shaft 11 connected with the motor to rotate, and the screw rod 10 synchronously rotates due to the meshed connection of the driving gear 12 and the driven gear 13;

thirdly, the screw rod 10 rotates to drive the nut 14 to vertically move downwards and drive the slide rod 16 to move towards the limiting cavity 15, so that the two clamping plates 17 clamp and fix the two ends of the foam material in the limiting cavity 15 in the process of mutually approaching;

fourthly, the cylinder 7 is started through the electromagnetic relay, so that an output shaft of the cylinder 7 gradually contracts to pull the moving plate 5, the moving plate 7 is stressed to drive the guide block 6 to move in the guide groove 4 in the same direction as the moving plate 5, and the foam material is stretched.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a foam material tensile test fixture device, includes test bench (1), its characterized in that, equal vertical welding has curb plate (2) on test bench (1) both sides, and equal horizontal welding has crossbeam (3) in two blocks of curb plate (2) upper ends, swing joint has movable plate (5) between test bench (1) and crossbeam (3), two corresponding welding has stopper (8) on one side that curb plate (2) were kept away from to movable plate (5), and divide equally on movable plate (5) both ends and do not be equipped with motor (9) and lead screw (10), and all rotate the cover in movable plate (5) both ends and be equipped with pivot (11) that are connected with motor (9) output, fixed cover respectively is equipped with matched with driving gear (12) and driven gear (13) on pivot (11) and lead screw (10), and threaded connection has nut (14) on lead screw (10), two spacing chamber (15) have all been seted up in stopper (8), and all slide the cover in spacing chamber (15) both ends and be equipped with slide bar (16) that are connected with nut (14), two slide bar (16) cover is located one of spacing chamber (15) and is served and all welds splint (17).

2. The foam material tensile test fixture device according to claim 1, wherein guide grooves (4) are correspondingly formed in two ends of the test bed (1) and the two cross beams (3), and guide blocks (6) which are slidably sleeved in the guide grooves (4) are welded at two ends of a vertically arranged moving plate (5).

3. The foam material tensile test fixture device according to claim 2, wherein air cylinders (7) are respectively connected between the two side plates (2) and the two moving plates (5).

4. The foam material tensile test fixture device according to claim 1, wherein the motor (9) is horizontally arranged with the rotating shaft (11), and the screw rod (10) is vertically arranged with the sliding rod (16).

5. The foam material tensile test fixture device according to claim 1, wherein the driving gear (12) and the driven gear (13) are both bevel gears, and the driving gear (12) is engaged with the driven gear (13).

6. The foam material tensile test fixture device according to claim 1, wherein the two limiting cavities (15) are horizontally opposite in opening, and the two clamping plates (17) vertically correspond.