CN213600485U

CN213600485U - Polyolefin resin matrix composite tensile strength testing device

Info

Publication number: CN213600485U
Application number: CN202022873031.1U
Authority: CN
Inventors: 高嘉伟; 高华; 黄勇; 李荣浩; 王梦丹
Original assignee: Pingyuan Runhua Plastic Knitting Co ltd
Current assignee: Pingyuan Runhua Plastic Knitting Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-07-02
Anticipated expiration: 2030-12-04

Abstract

The utility model discloses a polyolefin resin matrix composite tensile strength testing device, which comprises a test bench and a stretching clamp, wherein a supporting long plate a is fixedly installed at the left end of the upper surface of the test bench, a supporting long plate b is fixedly installed at the right end of the upper surface of the test bench, the outer wall of the right side of the supporting long plate a is provided with a fixed groove, a group of telescopic rods are fixedly installed in the fixed groove, a clamp plate a is fixedly installed at the upper end of the left side of the group of telescopic rods, a clamp plate b is fixedly installed at the upper end of the right side of the group of telescopic rods, the upper ends of the clamp plate a and the clamp plate b are fixedly installed on the stretching clamp, one side wall of the stretching clamp is provided with a clamp groove, the inner wall of the clamp groove is provided with; this polyolefin resin matrix combined material tensile strength verifying attachment, easy operation, through the telescopic link as the holistic supporting mechanism of material, fixed through two liang of anchor clamps, in tensile work, the telescopic link stretches out along with the drawing of drawing the material, guarantees that the whole atress of material is even, provides the degree of accuracy of inspection.

Description

Polyolefin resin matrix composite tensile strength testing device

Technical Field

The utility model relates to a polyolefin resin matrix combined material technical field specifically is a polyolefin resin matrix combined material tensile strength verifying attachment.

Background

The polyolefin resin is a thermoplastic resin with low cost, easy processing and molding, and wide output and application, and is often used as a base resin of a composite material, the carbon fiber is a light high-strength continuous reinforcing material and is often used as a reinforcing phase of the composite material, and the comprehensive advantages of the carbon fiber and the polyolefin resin are combined, the composite material prepared by using the carbon fiber as the reinforcing material and using the polyolefin resin as the matrix has good application prospect and industrial value, the processed polyolefin resin-based composite material needs to be inspected for the tensile strength per se to be prepared into different finished products, the two ends of the material are fixed by the traditional tensile strength inspection device, one end of the material is pulled to be inspected, however, due to the different areas of the materials, uneven stress is easy to cause, and the stretching with the two ends fixed is easy to cause damage in the middle of the materials, so that the prior art needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polyolefin resin matrix combined material tensile strength verifying attachment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a polyolefin resin matrix combined material tensile strength verifying attachment, includes checkout stand and tensile anchor clamps, the upper surface left end fixed mounting of checkout stand has support rectangular board an, and right-hand member fixed mounting has support rectangular board b, the right side outer wall that supports rectangular board an all is equipped with the fixed slot, equal fixed mounting has a set of telescopic link in the fixed slot, the left side upper end fixed mounting of a set of telescopic link has anchor clamps board an, and right side upper end fixed mounting has anchor clamps board b, the equal fixed mounting in upper end of anchor clamps board an and anchor clamps board b tensile anchor clamps, a tensile anchor clamps lateral wall all is equipped with the anchor clamps groove, anchor clamps inslot wall runs through set up threaded hole, the hob is installed to the screw hole internal rotation, the lower extreme fixed mounting of hob has the.

Preferably, the top fixed mounting of a set of telescopic link has the connecting block, the spread groove has been seted up to the right side wall of connecting block, both ends have all run through about the inside of spread groove and have seted up the through-hole, equal movable mounting has the bracing piece in the through-hole.

Preferably, the top fixed mounting of bracing piece has the fixture block, the outside of bracing piece is located the one end of spread groove is equipped with the spring, the one end fixed connection of spring the fixture block, other end fixed connection spread groove inner wall.

Preferably, a hydraulic cylinder is fixedly mounted in the middle section of the left side wall of the support long plate b, a hydraulic rod is fixedly mounted at the output end of the hydraulic cylinder, a pressure sensor is fixedly mounted at the top end of the hydraulic rod, and a connecting rod is fixedly mounted at the left end of the pressure sensor.

Preferably, the upper end and the lower end of the outer wall of the connecting rod are both provided with clamping grooves.

Compared with the prior art, the beneficial effects of the utility model are that: this polyolefin resin matrix combined material tensile strength verifying attachment, easy operation, through the telescopic link as the holistic supporting mechanism of material, fixed through two liang of anchor clamps, in tensile work, the telescopic link stretches out along with the drawing of drawing the material, guarantees that the whole atress of material is even, provides the degree of accuracy of inspection.

Drawings

Fig. 1 is a schematic structural view of the present invention;

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

fig. 3 is a schematic structural view of the stretching clamp of the present invention;

fig. 4 is a schematic view of the connecting block structure of the present invention.

In the figure: the device comprises a test bench 1, a stretching clamp 2, a supporting long plate a and 4 fixing grooves 3, a group of 5 telescopic rods, a clamp plate a6, a clamp plate b7, a connecting block 8, a connecting rod 9, a clamping groove 10, a pressure sensor 11, a hydraulic rod 12, a hydraulic cylinder 13, a supporting long plate b14, a clamping block 15, a clamp groove 16, a threaded hole 17, a screw rod 18, a supporting rod 19, a through hole 20, a spring 21, a clamping block 22 and a connecting groove 23.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the device for testing the tensile strength of the polyolefin resin-based composite material comprises a test bench 1 and a tensile fixture 2, wherein a supporting long plate a3 is fixedly mounted at the left end of the upper surface of the test bench 1, a supporting long plate b14 is fixedly mounted at the right end of the upper surface of the test bench 1, a fixing groove 4 is formed in the outer wall of the right side of the supporting long plate a3, a group of telescopic rods 5 are fixedly mounted in the fixing groove 4, a fixture plate a6 is fixedly mounted at the upper end of the left side of each group of telescopic rods 5, a fixture plate b7 is fixedly mounted at the upper end of the right side of each group of telescopic rods, the tensile fixture 2 is fixedly mounted at the upper ends of the fixture plate a6 and the fixture plate b7, a fixture groove 16 is formed in one side wall of the tensile fixture 2, a threaded hole 17 is formed in the inner wall;

specifically, the left end of the upper surface of the inspection bench 1 is fixedly provided with the long supporting plate 2, the right end of the upper surface of the inspection bench 1 is fixedly provided with the long supporting plate b14, the long supporting plate a2 and the long supporting plate b14 are vertically arranged at the upper end of the inspection bench 1, the length of the long supporting plate a is the same as that of the inspection bench 1, the outer wall of the right side of the long supporting plate a is provided with a fixing groove 4, the fixing groove 4 is internally and fixedly provided with the set of telescopic rods 5, the set of telescopic rods 5 are three to five and are uniformly arranged in the fixing groove 4, the left top end of the set of telescopic rods 5 is provided with the clamp plate a6, the right top end of the set of telescopic rods is provided with the clamp plate b7, the upper ends of the clamp plate a6 and the clamp plate b7 are fixedly provided with the tensile clamp 2, one side wall of the tensile clamp 2 is provided with the clamp groove 16, the clamp groove of the tensile clamp plate a upper end of the, the fixture is used for fixing a composite material to be detected, the upper end inside the fixture groove 16 is provided with the threaded hole 17 in a penetrating mode, the screw rod 18 is installed in the threaded hole 17 in a rotating mode, the lower end of the screw rod 18 is located in the fixture groove and fixedly provided with the clamping block 15, and the screw rod can move up and down in the fixture groove by rotating through threaded fit between the screw rod and the threaded hole, so that the composite material to be detected is fixed.

The top ends of the group of telescopic rods 5 are fixedly provided with connecting blocks 8, the right side wall of each connecting block 8 is provided with a connecting groove 23, the upper end and the lower end of the inside of each connecting groove 23 are respectively provided with a through hole 20 in a penetrating manner, and a supporting rod 19 is movably arranged in each through hole 20;

specifically, the right side top fixed mounting of a set of telescopic link 5 connecting block 8, connecting block 8's length is greater than the holistic long end of a set of telescopic link, through connecting block 8 will the top fixed connection of a set of telescopic link, the right side wall middle section of connecting block 8 is seted up spread groove 23, both ends are all run through about the inner wall of spread groove 23 and are seted up through-hole 20, bracing piece 19 can move in the through-hole.

A clamping block 22 is fixedly mounted at the top end of the supporting rod 19, a spring 21 is arranged at one end, located at the connecting groove 23, of the outer portion of the supporting rod 19, one end of the spring 21 is fixedly connected with the clamping block 22, and the other end of the spring is fixedly connected with the inner wall of the connecting groove 23;

specifically, the top end of the support rod 19 is fixedly provided with the fixture block 22, and one end of the outer portion of the support rod 19, which is located at the connecting groove 23, is sleeved with the spring 21.

A hydraulic cylinder 13 is fixedly mounted in the middle section of the left side wall of the supporting long plate b14, a hydraulic rod 12 is fixedly mounted at the output end of the hydraulic cylinder 13, a pressure sensor 11 is fixedly mounted at the top end of the hydraulic rod 12, and a connecting rod 9 is fixedly mounted at the left end of the pressure sensor 11;

specifically, support stock b 14's left side wall middle section fixed mounting pneumatic cylinder 13, pneumatic cylinder 13 is used for the drive hydraulic stem 12, the top fixed mounting of hydraulic stem 12 pressure sensor 11 for detect tensile strength, pressure sensor 11's left end fixed mounting connecting rod 9, connecting rod 9 be used for with connecting block 8 is connected.

The upper end and the lower end of the outer wall of the connecting rod 9 are both provided with a clamping groove 10;

specifically, both ends are all seted up about the outer wall of connecting rod 9 draw-in groove 10, connecting rod 9 inserts in the spread groove, through the pulling the bracing piece works as the back is stretched into to the connecting rod, the fixture block is in kick-back under the effect of spring, will the fixture block card is gone into connect both in the draw-in groove.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a polyolefin resin matrix combined material tensile strength verifying attachment, includes checkout stand (1) and tensile anchor clamps (2), its characterized in that: a supporting long plate a (3) is fixedly arranged at the left end of the upper surface of the inspection table (1), a supporting long plate b (14) is fixedly arranged at the right end, the outer wall of the right side of the long supporting plate a (3) is provided with a fixed groove (4), a group of telescopic rods (5) are fixedly arranged in the fixed groove (4), the upper end of the left side of the group of telescopic rods (5) is fixedly provided with a clamp plate a (6), the upper end of the right side is fixedly provided with a clamp plate b (7), the upper ends of the clamp plate a (6) and the clamp plate b (7) are both fixedly provided with the stretching clamp (2), one side wall of the stretching clamp (2) is provided with a clamp groove (16), the inner wall of the clamp groove (16) is provided with a threaded hole (17) in a penetrating way, a screw rod (18) is rotatably mounted in the threaded hole (17), and a clamping block (15) is fixedly mounted at the lower end of the screw rod (18).

2. The apparatus for testing the tensile strength of a polyolefin resin-based composite material according to claim 1, wherein: the top fixed mounting of a set of telescopic link (5) has connecting block (8), spread groove (23) have been seted up to the right side wall of connecting block (8), both ends have all run through about the inside of spread groove (23) and have seted up through-hole (20), equal movable mounting has bracing piece (19) in through-hole (20).

3. The apparatus for testing the tensile strength of a polyolefin resin-based composite material according to claim 2, wherein: the top fixed mounting of bracing piece (19) has fixture block (22), the outside of bracing piece (19) is located the one end of spread groove (23) is equipped with spring (21), the one end fixed connection of spring (21) fixture block (22), other end fixed connection spread groove (23) inner wall.

4. The apparatus for testing the tensile strength of a polyolefin resin-based composite material according to claim 1, wherein: support the left side wall middle section fixed mounting of long board b (14) and have pneumatic cylinder (13), the output fixed mounting of pneumatic cylinder (13) has hydraulic stem (12), the top fixed mounting of hydraulic stem (12) has pressure sensor (11), the left end fixed mounting of pressure sensor (11) has connecting rod (9).

5. The device for testing the tensile strength of the polyolefin resin-based composite material as claimed in claim 4, wherein: the upper end and the lower end of the outer wall of the connecting rod (9) are both provided with clamping grooves (10).