CN2932347Y

CN2932347Y - Bottle cap torque tester

Info

Publication number: CN2932347Y
Application number: CN 200620026978
Authority: CN
Inventors: 韩雪山
Original assignee: China Packaging Research and Test Center
Current assignee: China Packaging Research and Test Center
Priority date: 2006-08-09
Filing date: 2006-08-09
Publication date: 2007-08-08
Anticipated expiration: 2016-08-09

Abstract

The utility model relates to a bottle cap torsion-testing instrument, of which the main technical characteristics are that an clamping device is a chuck which is arranged on a bearing seat fixed on a test casing through a roller bearing mounted on the bottom thereof, a square torsional block which is fixedly connected with a torque sensor positioned in the test casing on the lower end thereof is fixedly arranged on the bottom of the chuck. The clamping device of the utility model is in surface contact with a bottle cap, which can not only more effectively protects the bottle cap but also provides a firmer clamping force, and the clamping form of surface contact is of a better simulation ability, thereby guaranteeing reliability and precision of a test.

Description

The bottle cap torque tester

Technical field

The utility model belongs to instrument field, particularly a kind of bottle cap torque tester.

Background technology

At present, beverage products adopts plastic bottle as packing material more, and the bottle cap on this plastic bottle need have certain tightness to guarantee its sealing, therefore needs to adopt specific testing tool that the moment of torsion of bottle cap is tested.Existing bottle cap torque tester adopts on sensing device more is installed the anchor clamps that can step up bottle cap, and the hand rotation body is measured the moment of torsion that this bottle cap can bear then; Its anchor clamps are that two horizontal glue posts can move horizontally it by regulating device to step up bottle cap relatively; But when adopting this mode, the glue post clamps bottle cap from the circumferential both sides of bottle cap, the clamping force of bottle cap is crossed conference damage lid, and the too small meeting of clamping force causes the bottle cap slippage, thereby influences torsion-testing.Trace it to its cause, in this kind clamping mode and the reality bottle cap stressed pattern inequality, thereby be difficult to guarantee the reliability and the degree of accuracy of torsional moment test.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of pattern according to the suffered moment of torsion of bottle cap to carry out the bottle cap torsion-testing, and its torsion-testing has the bottle cap torque tester of higher reliability and degree of accuracy.

The utility model solves its technical matters and takes following technical scheme to realize:

This bottle cap torque tester, constitute by test casing, anchor clamps, be fixed with torque sensor in the test casing, it is characterized in that: these anchor clamps are a chuck, the roller bearing that this chuck is installed by its lower end is installed on the bearing seat that is installed on the test casing, and the bottom of this chuck is fixed with the square piece of turning round that its lower end torque sensor interior with testing casing is solidly installed.

And, the arc lining that can match with tested lid outer rim all is installed on each dop of described chuck.

And described chuck is a scroll chuck.

Advantage of the present utility model and good effect are:

1. this bottle cap torque tester adopts scroll chuck as anchor clamps, in test process, the arc lining of installing on the dop clamps bottle cap from the circumferential outer rim of bottle cap, has changed anchor clamps in the past clamp bottle cap from the circumferential both sides of tested bottle cap pattern, and clamping force is adjustable and fastening safety is reliable.

2. by all install the arc lining that can match with tested lid outer rim on each dop of chuck, lining is the form that face contacts with bottle cap in the test, has protected bottle cap more effectively; And the clamping form of its face contact has emulation more, promptly with reality in the tighten mode of the suffered clamping force of bottle cap more press close to.

3. be fixed with roller bearing in the chuck bottom, reduced the influence of friction force effectively, improved the reliability and the degree of accuracy of test measuring accuracy.

4. when the diameter of tested bottle cap differs big, can realize torsion-testing by changing the arc lining that is complementary with bottle cap to multiple bottle cap.

5. anchor clamps of the present utility model are the form that face contacts with bottle cap; not only protect bottle cap more effectively; and can circumferentially provide firm more adjustable clamping force at bottle cap, the clamping form of its face contact has emulation more, has guaranteed the reliability and the degree of accuracy of test.

Description of drawings

Fig. 1 is a chuck structure synoptic diagram of the present utility model;

Fig. 2 is a front view of the present utility model;

Fig. 3 is the vertical view of Fig. 2.

Embodiment

Below in conjunction with accompanying drawing embodiment of the present utility model is further described:

As Fig. 1, Fig. 2, shown in Figure 3, this bottle cap torque tester comprises test casing 12 and anchor clamps 3, and these anchor clamps are a chuck, are a scroll chuck in the present embodiment, is fixed with torque sensor 11 in the test casing.This scroll chuck comprises that three can be regulated the dop 1 that it is unclamped or clamp by handle 4, the arc lining 2 that can match with tested lid outer rim all is installed on this dop, when the diameter of tested bottle cap is excessive or too small, can realize torsion-testing by changing the arc lining that is complementary with bottle cap to multiple bottle cap.The coaxial roller bearing 5 that is fixed with in described chuck bottom, this roller bearing is the taper thrust bearing.The coaxial square piece 7 of turning round that installs in scroll chuck lower end, this square piece upper end of turning round is shaped on threaded rod 6; Roller bearing is installed on the bearing seat 8 of test casing, and this bearing seat is packed on the top cover of test casing by a chassis 9.Threaded rod passes test casing top cover, and locatees by the threaded block 10 of test box top cover bottom, and the square piece of turning round can be nested on the torque sensor.

Principle of work of the present utility model is: adjusting handle makes dop slowly tighten tested bottle cap, slowly rotate body, chuck rotates with body and moment of torsion is passed to torque sensor by the square piece of turning round that the bearing bottom installs, and can obtain the twisting strength of bottle cap when bottle cap is turned on.

Claims

1. bottle cap torque tester, constitute by test casing, anchor clamps, be fixed with torque sensor in the test casing, it is characterized in that: these anchor clamps are a chuck, the roller bearing that this chuck is installed by its lower end is installed on the bearing seat that is installed on the test casing, and the bottom of this chuck is fixed with the square piece of turning round that its lower end torque sensor interior with testing casing is solidly installed.

2. bottle cap torque tester according to claim 1 is characterized in that: the arc lining that can match with tested lid outer rim all is installed on each dop of described chuck.

3. bottle cap torque tester according to claim 1 is characterized in that: described chuck is a scroll chuck.