CN211292353U

CN211292353U - Computer tension tester for chloroprene rubber and styrene butadiene rubber nano composite rubber

Info

Publication number: CN211292353U
Application number: CN201922221124.3U
Authority: CN
Inventors: 姜维新
Original assignee: Shenzhen Asia Eagle Technology Co ltd
Current assignee: Shenzhen Asia Eagle Technology Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-08-18
Anticipated expiration: 2029-12-11

Abstract

The utility model relates to a computer tensile test machine for chloroprene rubber and butadiene styrene rubber nanocomposite, the reciprocating impact tunnel drilling machine comprises a machine body, the last clamping end and the lower clamping end of opposition about being equipped with on the fuselage, the one end of upper and lower clamping end opposition all is equipped with the square groove, be equipped with square left splint and right splint in the square groove, the two all contacts with the square groove tank bottom, be equipped with on the square groove cell wall and make left and right splint gather together each other or the device that the dispersion removed. The utility model is used for detect chloroprene rubber and butadiene styrene rubber nanometer composite rubber's tensile strength to can strengthen the firm degree of upper and lower clamping end to the rubber sample clamping.

Description

Computer tension tester for chloroprene rubber and styrene butadiene rubber nano composite rubber

Technical Field

The utility model belongs to the technical field of the technique of rubber performance check out test set and specifically relates to a computer tensile test machine that is used for chloroprene rubber and butadiene styrene rubber nanometer composite rubber.

Background

The chloroprene rubber and styrene butadiene rubber nano composite rubber is compounded by chloroprene rubber and styrene butadiene rubber, and has the advantages of the chloroprene rubber and the styrene butadiene rubber. After the composite material is prepared, the mechanical properties such as tensile strength, breaking strength and the like of the composite material are detected.

The tensile strength of the test piece can be detected by using a computer tensile testing machine, as shown in fig. 1 and 2, the tensile testing machine comprises a machine body 1 and vertically opposite upper and lower clamping ends 2; 3, an upper clamping end and a lower clamping end 2; 3 tip of looks opposition is equipped with square groove 4 respectively, is equipped with splint 41 in the square groove 4, and the 4 lateral walls of square groove are equipped with

lead screw

7, and 7 end screw threads of lead screw pass the 4 lateral walls of square groove to this end rotates to be connected on splint 41, and splint 41 is square, and its one side contacts in the 4 tank bottoms of square groove, through rotating the interval between 7 adjustable splint 41 of lead screw and the 4 another lateral walls of square groove, utilizes this interval clamping chloroprene rubber and butadiene styrene rubber nanocomposite's sample.

However, after the compounded rubber sample is clamped in the space, if the thickness of the sample is larger, the extrusion force of the side wall of the square groove 4 to the sample is smaller. Even if the width of the space is further reduced, the pressing force of the side wall of the square groove 4 to the sample is smaller than that of the clamping plate 41. The friction force on both sides of the sample is unequal, the test result is affected, and the sample is easy to separate from the side wall of the square groove 4.

SUMMERY OF THE UTILITY MODEL

The utility model provides a computer tensile test machine for chloroprene rubber and butadiene styrene rubber nanocomposite, it is used for detecting chloroprene rubber and butadiene styrene rubber nanocomposite's tensile strength to can strengthen the firm degree of upper and lower clamping end to the rubber sample clamping.

The above object of the present invention can be achieved by the following technical solutions:

a computer tensile test machine for chloroprene rubber and butadiene styrene rubber nanocomposite, including the fuselage, be equipped with the upper clamping end and the lower clamping end of upper and lower opposition on the fuselage, the one end of upper and lower clamping end opposition all is equipped with the square groove, be equipped with square left splint and right splint in the square groove, the two all contacts with the square groove tank bottom, be equipped with on the square groove cell wall and make left and right splint gather together each other or the device that the dispersion removed.

Through adopting above-mentioned technical scheme, use left and right splint to sample tip clamping back, sample tip both sides all can receive the extrusion force that left and right splint applyed to it respectively to the power of both sides is all adjustable, thereby can not appear in the background art the condition, be favorable to strengthening the centre gripping to the sample.

Furthermore, the device comprises two parts which respectively comprise a screw rod and a first handle, wherein screw threads of the screw rod penetrate through the side wall of the square groove, the penetrating ends of the screw rod are respectively and rotatably connected to the left clamping plate and the right clamping plate, and the first handle is arranged at the end, which does not penetrate through the side wall of the square groove, of the screw rod.

Through adopting above-mentioned technical scheme, rotatable handle one through rotating the lead screw, increases the length of lead screw in the square groove to can promote left and right splint, make the two can gather together each other or the dispersion removes.

Further, the device comprises a double-thread screw rod, the two ends of the double-thread screw rod are respectively rotatably connected to the two side walls of the square groove, the left clamping plate and the right clamping plate are respectively assembled on the two opposite ends of the double-thread screw rod in a threaded mode, one end of the double-thread screw rod extends out of the side wall of the square groove, and a second handle is arranged at the end of the double-thread screw rod.

Through adopting above-mentioned technical scheme, rotating double thread lead screw, under the drive of this lead screw, left and right splint can gather together each other or divide the removal.

Furthermore, the other end of the double-thread screw rod also extends out of the side wall of the square groove, and a third handle which is the same as the second handle is arranged at the other end of the double-thread screw rod.

Through adopting above-mentioned technical scheme, singly rotate handle two, though also can rotate double thread lead screw, because put the rubber sample between two splint, it is harder to rotate with handle two alone, so set up handle three, rotate handle three and handle two simultaneously, can rotate the both ends of double thread lead screw simultaneously, be convenient for rotate double thread lead screw.

Furthermore, the middle part of the double-thread screw rod is a smooth end, the left clamping plate and the right clamping plate are respectively provided with a hole site for assembling the double-thread screw rod, and one ends of the hole sites opposite to each other are smooth ends.

Through adopting above-mentioned technical scheme, even there is the deviation in the position of left and right splint slightly, perhaps two partial screw thread length of double thread lead screw in the square groove is slightly unequal, also can make left and right splint gather together and move to mutual contact, has increased the fault-tolerant rate when left and right splint gather together each other and move.

Furthermore, the bottom ends of the left clamping plate and the right clamping plate extend out of the square groove.

By adopting the technical scheme, the clamping area of the left clamping plate and the right clamping plate on the rubber end part can be increased, and the stability of clamping is favorably enhanced.

Furthermore, the two transverse ends of the left clamping plate and the right clamping plate extend out of the square groove.

By adopting the technical scheme, the clamping area of the left clamping plate and the right clamping plate to the rubber end part is further enhanced, and the clamping stability is further enhanced.

Furthermore, one side of the left clamping plate and one side of the right clamping plate which are opposite to each other are rough surfaces.

Through adopting above-mentioned technical scheme, the rough surface can increase the frictional force of left and right splint to the sample, is favorable to strengthening the clamping effect.

To sum up, the beneficial effects of the utility model are that: the left and right clamping plates can be utilized to apply extrusion force to the two sides of the end part of the sample, so that the effect of clamping the sample is enhanced.

Drawings

FIG. 1 is a schematic diagram of a background art configuration;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic structural view of the first embodiment;

FIG. 4 is a schematic structural view of a second embodiment;

FIG. 5 is a schematic structural view of a double-threaded screw;

fig. 6 is a schematic structural view (shown in cross section) of the left and right splints.

In the figure, 1, a fuselage; 2. installing a clamping end; 3. a lower clamping end; 4. a square groove; 41. a splint; 5. a left splint; 6. a right splint; 7. a screw rod; 71. a first handle; 8. a double-threaded screw rod; 81. a second handle; 82. a third handle; 84. a smooth portion.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a computer tensile test machine that is used for chloroprene rubber and butadiene styrene rubber nanometer composite rubber, fuselage in the background art to and lower clamping end. The machine body is provided with an upper clamping end 2 which is arranged opposite to the lower clamping end in parallel and is shown in figure 3, and the upper clamping end 2 is positioned above the lower clamping end. The opposite ends of the upper clamping end 2 and the lower clamping end are respectively provided with a square groove 4. Referring to fig. 3, in the upper clamping end 2, a square left clamping plate 5 and a square right clamping plate 6 are arranged in the square groove 4, both of which are in contact with the bottom of the square groove 4, and the wall of the square groove 4 is provided with the left clamping plate 5 and the right clamping plate 5; 6 moving together or apart from each other.

In the first embodiment, the left and right splints 5; the device which gathers together or dispersedly moves each other is a screw rod transmission mechanism which comprises a screw rod 7 and a first handle 71, the screw rod transmission mechanism is provided with two parts which are respectively arranged on two side walls of the square groove 4, the screw rod 7 respectively penetrates through the two side walls of the square groove 4 in a thread fit mode, and one penetrating end of the screw rod is respectively and rotatably connected with the left clamping plate 5 and the right clamping plate 5; 6, a first handle 71 is arranged at one end of the screw rod 7 which does not penetrate through the side wall of the square groove 4. The length of the screw rod 7 is identical to the distance between the opposite side surfaces of the two side walls of the square groove 4.

Fig. 4 shows a second embodiment, in which a double-threaded screw 8 is used to realize the left and right clamping plates 5; 6 gather together each other or the dispersion is removed, including two screw 8 to and handle two 81, handle three 82, combine figure 5, two screw 8 both ends are smooth, and these both ends are rotated and are located on two lateral walls of square groove 4, and two screw 8 perpendicular to square groove 4 lateral walls. Referring to fig. 5, the part of the double-thread screw 8 in the square groove 4 comprises two threads with opposite screwing directions, a left clamping plate 5 and a right clamping plate 5; 6 are respectively threaded on the two parts of threads, and the two parts of threads have equal length and lead ratio of 1: 1, a left splint and a right splint 5; 6 the initial positions are respectively attached to the inner sides of the side walls of the square groove 4. Two ends of the double-thread screw 8 respectively extend out of the side wall of the square groove 4, and a second handle 81 and a third handle 82 are respectively arranged at the two ends.

Thus, the left and right splints 5 can be made in both of the above two ways; 6, the left and right splints 5 can be utilized when clamping the chloroprene rubber and styrene butadiene rubber nano composite rubber sample; 6, clamping the end part of the sample, so that both sides of the end part of the sample can be respectively clamped by the left clamping plate and the right clamping plate 5; 6, can all exert close extrusion force to sample tip both sides, compare background art, can strengthen the firm effect to the sample tip clamping.

In the second embodiment, however, the lengths of the two portions of the thread of the double-threaded screw 8 in the square groove 4 must be equal, and the left and right clamping plates 5; 6, the left and right clamping plates 5 are required to be respectively attached to the inner sides of the side walls of the square groove 4 at the beginning; 6 can move to contact with each other when being gathered, if the lengths of the two parts of threads in the square groove 4 are not consistent, or the left clamping plate 5 and the right clamping plate 5; 6, namely the left splint and the right splint 5; 6 is not symmetrical about the geometric center of the double-thread screw 8, which can lead to the left and the right clamping plates 5; 6 cannot move into contact with each other, and a gap exists. Although the gap does not affect the normal clamping of the sample, the gap may also affect the left and right clamping plates 5; 6 pressing force against the end of the specimen.

Thereby eliminating the above-described occurrence with the following structure. With reference to fig. 5, a smooth portion 84 is provided in the middle of the double-threaded screw 8, and the smooth portion 84 is located between the two portions with opposite threads, and with reference to fig. 6, on the left and right clamping plates 5; in the hole sites matched with the double-thread screw 8 in the hole 6, the part far away from the smooth part 84 is an internal thread part 90 matched with the double-thread screw 8 in a threaded mode, the inner wall of the part close to the smooth part 84 is smooth 91, and the length of the internal thread part 90 is larger than that of the smooth inner wall 91 in the implementation process. And on the left and right clamping plates 5; 6, there is a space between the end of the internally threaded portion 90 in the hole toward the smooth portion 84 and the end of the smooth portion 84.

Thus, the left and right splints 5; the position of the right clamping plate 5 and the left clamping plate 6 are slightly deviated, or the lengths of the threads of the two parts of the double-thread screw 8 in the square groove 4 are slightly different, so that the left clamping plate and the right clamping plate are also enabled to be arranged; 6, the left splint and the right splint 5 are enlarged when the left splint and the right splint are moved to contact with each other; 6 fault tolerance when moving together.

In addition, the left splint 5 and the right splint 5 are further strengthened; 6 the firmness of clamping the end part of the sample. With reference to fig. 3 or fig. 4, left and right splints 5; the bottom ends of the clamping plates 6 extend out of the square groove 4, and the left clamping plate 5 and the right clamping plate 5; the two transverse ends of the clamp 6 also extend out of the square groove 4, so that the left clamp plate 5 and the right clamp plate 5 are enlarged; 6 the area of the clamping surface, and the clamping surfaces are the left clamping plate and the right clamping plate 5; 6 are provided with rough surfaces on the surfaces facing each other to enhance the frictional force against the end portions of the sample.

The lower clamping end and the upper clamping end 2 have the same structure, and the square grooves 4 of the lower clamping end and the upper clamping end are opposite to each other, so that the upper end part and the lower end part of the sample can be effectively clamped.

The implementation principle of the utility model is that when clamping chloroprene rubber and styrene butadiene rubber nanometer composite rubber samples at the upper clamping end 2 and the lower clamping end, the left and right clamping plates 5 are used by taking the upper clamping end 2 as an example; after the end part of the sample is clamped, both sides of the end part of the sample are respectively subjected to the left clamping plate and the right clamping plate 5; 6 to its extrusion force of exerting to the force of both sides can all be adjusted, thereby can not appear the condition described in the background art, is favorable to strengthening the centre gripping to the sample.

The embodiment of this embodiment is the preferred embodiment of the present invention, not limiting in proper order the utility model discloses a protection scope, the event: all equivalent changes made according to the structure, shape and principle of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a computer tensile test machine that is used for chloroprene rubber and butadiene styrene rubber nanometer composite rubber, includes the fuselage, its characterized in that: the machine body is provided with an upper clamping end (2) and a lower clamping end which are opposite up and down, one end of the upper clamping end (2) opposite to the lower clamping end is provided with a square groove (4), a square left clamping plate (5) and a square right clamping plate (6) are arranged in the square groove (4) and are in contact with the bottom of the square groove (4), and a device for enabling the left clamping plate (5) and the right clamping plate (6) to gather or move dispersedly is arranged on the wall of the square groove (4).

2. The computer tension tester for the chloroprene rubber and styrene-butadiene rubber nanocomposite rubber according to claim 1, characterized in that: the device comprises two parts which respectively comprise a screw rod (7) and a first handle (71), wherein the screw rod (7) penetrates through the side wall of the square groove (4) in a threaded manner, the penetrating ends of the screw rod are respectively and rotatably connected to the left clamping plate (5) and the right clamping plate (6), and the first handle (71) is arranged at the end, which does not penetrate through the side wall of the square groove (4), of the screw rod (7).

3. The computer tension tester for the chloroprene rubber and styrene-butadiene rubber nanocomposite rubber according to claim 1, characterized in that: the device comprises a double-thread screw (8), two ends of the double-thread screw (8) are respectively and rotatably connected to two side walls of the square groove (4), the left clamping plate and the right clamping plate (5; 6) are respectively assembled on two ends of the double-thread screw (8) with opposite threads in a threaded mode, one end of the double-thread screw (8) extends out of the side wall of the square groove (4), and a second handle (81) is arranged at the end of the double-thread screw.

4. The computer tension tester for the chloroprene rubber and styrene-butadiene rubber nanocomposite rubber according to claim 3, characterized in that: the other end of the double-thread screw rod (8) also extends out of the side wall of the square groove (4), and a third handle (82) which is the same as the second handle (81) is arranged at the other end.

5. The computer tension tester for the chloroprene rubber and styrene-butadiene rubber nanocomposite rubber according to claim 4, wherein: the middle part of the double-thread screw rod (8) is a smooth part (84), the left clamping plate and the right clamping plate (5; 6) are respectively provided with a hole site for assembling the double-thread screw rod (8), and one opposite ends of the hole sites are smooth ends.

6. The computer tension tester for the chloroprene rubber and styrene-butadiene rubber nanocomposite rubber according to claim 3, characterized in that: the bottom ends of the left splint (5) and the right splint (6) extend out of the square groove (4).

7. The computer tension tester for the chloroprene rubber and styrene-butadiene rubber nanocomposite rubber according to claim 1, characterized in that: the two transverse ends of the left and right clamping plates (5, 6) extend out of the square groove (4).

8. The computer tension tester for the chloroprene rubber and styrene-butadiene rubber nanocomposite rubber according to claim 1, characterized in that: the opposite sides of the left splint (5) and the right splint (6) are rough surfaces.