CN211602866U

CN211602866U - Rubber autohension testing machine variable load heavy pressure device

Info

Publication number: CN211602866U
Application number: CN201922441163.4U
Authority: CN
Inventors: 王凤仪
Original assignee: Goodtechwill Testing Machines Qingdao Co ltd
Current assignee: Goodtechwill Testing Machines Qingdao Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-09-29
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a rubber property test equipment technical field, specifically speaking relates to a rubber autohension testing machine variable load heavy pressure device, including last casing and lower casing, the slide rail is installed to the top surface of workstation, is connected with the lift seat on the lifting screw, and one side of lift seat is connected with the load unit, is connected with the test wheel that is used for fixed sample rubber one on the load unit, installs a plurality of even equidistance on the sample grip slipper and is linear arrangement's sample rubber two, and the motor is installed to the bottom of workstation and follows the driving wheel, and the lifting screw is connected in the center pin from the driving wheel, and the pivot of motor is passed through the belt and is connected from the. The utility model discloses can realize using different pressures to carry out experimental analysis in unvulcanized rubber autohension test experiment, can also carry out the research experiment of different experimental pressure to unvulcanized autohension performance, can comprehensively represent and analyze the viscous behavior of unvulcanized rubber under different loads, be favorable to carrying out the research experiment of rubber autohension.

Description

Rubber autohension testing machine variable load heavy pressure device

Technical Field

The utility model relates to a rubber property test equipment technical field specifically is a rubber autohension testing machine deadweight loading device.

Background

Self-adhesion is the phenomenon of integrating the same unvulcanized rubber after being adhered and placed for a certain time. It is the result of interdiffusion and permeation of rubber macromolecules in two years and on the surface through molecular thermal motion. Self-adhesion is important in the molding process and is therefore also referred to as molding tack. The self-adhesion tester is suitable for testing the adhesive property of various rubbers. The tack properties of the unvulcanized rubber can be analyzed and characterized. In the existing rubber self-adhesion test, a method of testing by using a rubber self-adhesion tester is widely adopted. For the sample pressurization, a method of pressurizing by a single weight is generally adopted at present. However, during the testing of certain research trials, it was necessary to study the viscous properties of the samples at different loads. Because the operation of changing the weight or increasing the weight is more loaded down with trivial details, and probably influence the accuracy of experimental result. Therefore, the existing sample cannot meet the experimental requirements of diversified test conditions through a weight pressurization method, is inconvenient to apply to research experiments, and is not beneficial to comprehensively reflecting the comprehensive viscosity performance of unvulcanized rubber.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rubber autohension testing machine variable load heavy pressure device to solve the problem that the present rubber sample that proposes passes through the experimental requirement that the weight pressurization method can't satisfy pluralism test condition in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a rubber autohension testing machine variable load heavy pressurization device comprises an upper shell and a lower shell, wherein a workbench is embedded in the top surface of the lower shell, a slide rail is installed on the top surface of the workbench, a sliding base is connected on the slide rail in a sliding manner, a sliding clamping seat which corresponds to the slide rail in position, is adaptive to size and is in sliding connection with the slide rail is installed at the bottom of the sliding base, a sample clamping seat is installed at the top of the sliding base, a lifting screw rod is installed in the upper shell, lifting slide rods are symmetrically arranged on two sides of the lifting screw rod, a lifting seat is connected onto the lifting screw rod, one side of the lifting seat is connected with a load cell, a test wheel for fixing a sample rubber I is connected onto the load cell, a plurality of sample rubbers II which are linearly arranged at uniform equal intervals are installed on the sample clamping seat, and a motor and, the lifting screw rod is connected to a central shaft of the driven wheel, and a rotating shaft of the motor is in transmission connection with the driven wheel through a belt.

Preferably, the lifting seat is inserted on the lifting slide rod, and the lifting seat is connected with the lifting slide rod in a sliding manner.

Preferably, the lifting screw is in threaded connection with the lifting seat.

Preferably, fixing pieces are arranged at two end portions of the slide rail, and the fixing pieces are connected to the outer wall of the lower shell through self-locking screws.

Preferably, the number of the second sample rubber is at most 5 groups.

Preferably, the workbench is further provided with a limiting bolt for fixing the sample clamping seat and a bolt fixing seat for fixing the limiting bolt.

Preferably, a main power switch for controlling all electrical components is mounted on an outer wall of the lower case.

Compared with the prior art, the beneficial effects of the utility model are that: the variable-load heavy pressurization device of the rubber self-adhesion testing machine can realize experimental analysis by applying different pressures in an unvulcanized rubber self-adhesion test experiment, can also carry out research experiments of different experimental pressures on unvulcanized self-adhesion performance, can comprehensively represent and analyze the viscosity performance of unvulcanized rubber under different loads, and is favorable for carrying out the research experiments of rubber self-adhesion.

Drawings

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

FIG. 2 is a schematic front view of the present invention in FIG. 1;

fig. 3 is a schematic bottom view of the present invention shown in fig. 1;

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

In the figure: 1. a lifting screw; 2. a load cell; 3. a first sample rubber; 4. a sample holder; 5. a test wheel; 6. a motor; 7. a bolt fixing seat; 8. a limiting bolt; 9. a sliding base; 10. a slide rail; 11. a fixing sheet; 12. a sliding holder; 13. a lifting seat; 14. a driven wheel; 15. an upper housing; 16. a lower housing; 17. a main power switch; 18. a work table; 19. a second sample rubber; 20. and lifting the sliding rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

A variable load pressurizing device of a rubber self-adhesion testing machine is shown in figures 1-4 and comprises an upper shell 15 and a lower shell 16, wherein a workbench 18 is embedded on the top surface of the lower shell 16, a slide rail 10 is installed on the top surface of the workbench 18, a slide base 9 is connected on the slide rail 10 in a sliding manner, a slide clamping seat 12 which corresponds to the slide rail 10 in position, is matched with the slide rail in size and is connected in a sliding manner is installed at the bottom of the slide base 9, a sample clamping seat 4 is installed at the top of the slide base 9, a lifting screw rod 1 is installed in the upper shell 15, lifting slide rods 20 are symmetrically arranged on two sides of the lifting screw rod 1, a lifting seat 13 is connected on the lifting screw rod 1, a load cell 2 is connected on one side of the lifting seat 13, a testing wheel 5 for fixing a sample rubber I3 is connected on the load cell 2, a plurality of sample rubber II 19 which are uniformly arranged at equal intervals in a, the lifting screw rod 1 is connected to the central shaft of the driven wheel 14, and the rotating shaft of the motor 6 is in transmission connection with the driven wheel 14 through a belt.

Furthermore, the lifting seat 13 is inserted into the lifting slide rod 20, the lifting seat 13 is slidably connected with the lifting slide rod 20, and the lifting screw 1 is in threaded connection with the lifting seat 13.

Specifically, fixing pieces 11 are arranged at two end parts of the slide rail 10, the fixing pieces 11 are connected to the outer wall of the lower shell 16 through self-locking screws, and the number of the second sample rubbers 19 is at most 5.

In addition, the workbench 18 is also provided with a limiting bolt 8 for fixing the sample clamping seat 4 and a bolt fixing seat 7 for fixing the limiting bolt 8.

As shown in fig. 4, a main power switch 17 for controlling all electrical components is mounted on an outer wall of the lower case 16.

The rubber autohension testing machine variable load weight pressure device of this embodiment adopts the same measurement structure with conventional rubber autohension testing machine, but on the autohension testing pressure, has updated the pressure device of sample: the motor pressurizing function, when in specific use, an operator cuts the first sample rubber 3 and the second sample rubber 19 into strips, the second sample rubber 19 is fixed on the sample adding seat 4, the first sample rubber 3 is fixed on the periphery of the test wheel 5, the lifting screw rod 1 is driven to rotate by the matching of the motor 6 and the driven wheel 14, the lifting screw rod 1 drives the test wheel 5 to be close to the sample holding seat 4, the first sample rubber 3 and the second sample rubber 19 are pressed under the action of mechanical force output by the pressurizing function of the motor 6 until the pressing time required by the test is up, the driving function of the motor 6 drives the lifting screw 1 to move again, the test wheel 5 is driven by the lifting screw 1 to be far away from the sample holding seat 4, because the first sample rubber 3 and the second sample rubber 7 have self-adhesion, the load cell 2 connected with the test wheel 5 measures and records the magnitude of the tearing force generated by the self-adhesion;

the utility model discloses a rubber autohension testing machine variable load heavy pressure device can realize using different pressures in unvulcanized rubber autohension test experiment and carry out experimental analysis, can also carry out the research experiment of different experimental pressure to unvulcanized autohension performance, can comprehensively represent and analyze the viscous behavior of unvulcanized rubber under different loads, is favorable to carrying out the research experiment of rubber autohension.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a rubber autohension testing machine variable load heavy pressure device which characterized in that: comprises an upper shell (15) and a lower shell (16), wherein a workbench (18) is embedded on the top surface of the lower shell (16), a slide rail (10) is installed on the top surface of the workbench (18), a sliding base (9) is connected on the slide rail (10), a sliding clamping seat (12) which is corresponding to the slide rail (10), matched with the size and connected with the slide rail in a sliding manner is installed at the bottom of the sliding base (9), a sample clamping seat (4) is installed at the top of the sliding base (9), a lifting screw (1) is installed in the upper shell (15), lifting slide bars (20) are symmetrically arranged on two sides of the lifting screw (1), a lifting seat (13) is connected on the lifting screw (1), one side of the lifting seat (13) is connected with a loading element (2), and a test wheel (5) used for fixing a sample rubber I (3) is connected on the loading element (2), install a plurality of even equidistance on sample holder (4) and be linear arrangement's sample rubber two (19), motor (6) and follow driving wheel (14) are installed to the bottom of workstation (18), lifting screw (1) connect in follow the center pin of driving wheel (14), the pivot of motor (6) pass through the belt with connect from driving wheel (14) transmission.

2. The rubber autohension testing machine variable load heavy pressure device of claim 1, characterized in that: the lifting seat (13) is inserted on the lifting slide bar (20), and the lifting seat (13) is connected with the lifting slide bar (20) in a sliding manner.

3. The rubber autohension testing machine variable load heavy pressure device of claim 1, characterized in that: the lifting screw (1) is in threaded connection with the lifting seat (13).

4. The rubber autohension testing machine variable load heavy pressure device of claim 1, characterized in that: fixing pieces (11) are arranged at two end parts of the sliding rail (10), and the fixing pieces (11) are connected to the outer wall of the lower shell (16) through self-locking screws.

5. The rubber autohension testing machine variable load heavy pressure device of claim 1, characterized in that: the number of the second sample rubber (19) is at most 5 groups.

6. The rubber autohension testing machine variable load heavy pressure device of claim 1, characterized in that: and the workbench (18) is also provided with a limiting bolt (8) for fixing the sample clamping seat (4) and a bolt fixing seat (7) for fixing the limiting bolt (8).

7. The rubber autohension testing machine variable load heavy pressure device of claim 1, characterized in that: and a main power switch (17) for controlling all electrical elements is arranged on the outer wall of the lower shell (16).