CN211927521U

CN211927521U - Clamp for tensile testing machine

Info

Publication number: CN211927521U
Application number: CN202020195953.9U
Authority: CN
Inventors: 李辉
Original assignee: Shenxin Polyurethane Co ltd
Current assignee: Shenxin Polyurethane Co ltd
Priority date: 2020-02-23
Filing date: 2020-02-23
Publication date: 2020-11-13
Anticipated expiration: 2030-02-23

Abstract

The utility model relates to the technical field of safety boot processing, in particular to a clamp for a tensile testing machine, which comprises a support frame, wherein the top end of the outer side of the support frame is provided with a positioning hole, the inner side of the support frame is fixedly connected with an electric telescopic rod, the bottom end of the support frame is provided with a clamping block, the clamping block penetrates through the support frame, the clamping block is connected with the support frame in a sliding way, the outer side of the clamping block is fixedly connected with a convex block, and the bottom end of the outer side of the support frame is provided with a protective cover. The normal operation of the test work is ensured.

Description

Clamp for tensile testing machine

Technical Field

The utility model relates to a safety boots processing technology field specifically is a tensile test machine anchor clamps.

Background

The demand of safety boots is huge in the current market, in order to guarantee the quality of safety boots, when carrying out the production of safety boots, will carry out each item test to the raw materials for production of safety boots usually, along with the continuous increase of test equipment, the auxiliary device of some tests also begins continuously to increase.

In the field of safety shoe processing, when the existing clamp for the tension test is used, the clamping length of the clamp is not convenient to accurately determine, so that when the tension of rubber materials for safety shoe processing is tested, the accuracy of test data can be influenced, and the phenomenon of rubber material slipping is easy to occur; some tensile test anchor clamps for use can not protect clamping mechanism well when using to lead to clamping mechanism to appear the phenomenon of colliding with the damage easily, because dust and foreign matter still adhere to easily when clamping mechanism does not use, still appear the rubber material by the phenomenon that fish tail and clamping part skidded when testing the test rubber slab easily, thereby influenced test work's normal clear. Therefore, a clamp for a tensile testing machine is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tensile test machine anchor clamps 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 tensile test machine anchor clamps, includes the support frame, the locating hole has been seted up on support frame outside top, the inboard fixedly connected with electric telescopic handle of support frame, the support frame bottom is equipped with presss from both sides tight piece, and presss from both sides tight piece and run through the support frame, press from both sides tight piece and support frame sliding connection, press from both sides tight piece outside fixedly connected with lug, support frame outside bottom is equipped with the protection casing, and protection casing and support frame sliding connection, support frame left end face top fixedly connected with fixed block, the inboard bottom of protection casing is equipped with the baffle, and the baffle runs through the protection casing, baffle and protection casing sliding connection, the baffle outside is equipped with first spring, and first spring and baffle fixed connection, the other end and.

Preferably, press from both sides tight piece top and rotate through the pivot and be connected with the dwang, electric telescopic handle bottom end face fixedly connected with slider, and the slider runs through the support frame, slider and support frame sliding connection, the other end of dwang is rotated through pivot and slider and is connected.

Preferably, the fixed block top is equipped with the turning block, and the turning block runs through the fixed block, the turning block rotates with the fixed block to be connected, a first threaded shaft of turning block bottom end face fixedly connected with, and first threaded shaft runs through the protection casing, a threaded shaft and protection casing screwed connection.

Preferably, be located the left it is equipped with the handle to press from both sides tight piece bottom, and the handle runs through the bottom that is located the left tight piece that presss from both sides, the handle rotates with being located the left tight piece that presss from both sides and is connected, handle top fixedly connected with second threaded shaft, and second threaded shaft rotates with being located the left tight piece that presss from both sides and be connected, second threaded shaft outside spiral connection has the gag lever post, and the gag lever post runs through and presss from both sides tight piece, the gag lever post with press from both sides tight piece sliding connection, be located the right side press from both sides tight piece right-hand member face fixedly connected with scale, and scale and gag lever post sliding connection, the right-hand member of.

Preferably, the baffle outside is equipped with the fixture block, and fixture block and baffle sliding connection, the fixture block runs through the protection casing, and fixture block and protection casing sliding connection, fixture block top end face fixedly connected with second spring, and the other end and the protection casing fixed connection of second spring.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in the utility model, by arranging the protective cover, the sliding connection between the protective cover and the baffle is matched, the elastic force of the first spring to the baffle, the elastic force of the second spring to the clamping block and the spiral connection between the first threaded shaft and the protective cover are matched, when the device is not used, the clamping block can be well protected, the phenomenon that the clamping mechanism is damaged by collision is avoided, the phenomenon that rubber materials are scratched and skidded when being pulled due to the fact that dust foreign matters are attached to the clamping block is also avoided, and the normal operation of the test work is ensured;

2. the utility model discloses in, through setting up the gag lever post, the rotation that cooperation gag lever post and the tight piece of second threaded shaft's of second threaded shaft and left side clamp is connected, gag lever post and the sliding connection who presss from both sides tight piece and the sliding connection of gag lever post and scale, can carry out accurate regulation and affirmation to the tight length of clamp of test rubber material when the use device to the precision of tensile test data has been guaranteed.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the whole structure of the clamping block of the present invention.

In the figure: the device comprises a support frame 1, an electric telescopic rod 2, a clamping block 3, a sliding block 4, a rotating rod 5, a protective cover 6, a fixing block 7, a rotating block 8, a first threaded shaft 9, a handle 10, a second threaded shaft 11, a limiting rod 12, a graduated scale 13, a baffle 14, a first spring 15, a clamping block 16, a second spring 17, a lug 18 and a positioning hole 19.

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. 1-2, the present invention provides a technical solution:

a clamp for a tensile testing machine comprises a supporting frame 1, a positioning hole 19 is formed in the top end of the outer side of the supporting frame 1, an electric telescopic rod 2 is fixedly connected to the inner side of the supporting frame 1, a clamping block 3 is arranged at the bottom end of the supporting frame 1, the clamping block 3 penetrates through the supporting frame 1, the arrangement is convenient for clamping a tested rubber material, the clamping block 3 is in sliding connection with the supporting frame 1, a convex block 18 is fixedly connected to the outer side of the clamping block 3, the arrangement ensures the stability of the clamped tested rubber material, a protective cover 6 is arranged at the bottom end of the outer side of the supporting frame 1, the protective cover 6 is in sliding connection with the supporting frame 1, a fixed block 7 is fixedly connected to the top end of the left end face of the supporting frame 1, a baffle 14 is arranged at the bottom end of the inner side of the protective cover 6, the other end of the first spring 15 is fixedly connected to the shield 6, which protects the clamping mechanism when the device is not in use.

The top end of the clamping block 3 is rotatably connected with a rotating rod 5 through a rotating shaft, the bottom end face of the electric telescopic rod 2 is fixedly connected with a sliding block 4, the sliding block 4 penetrates through the support frame 1, the sliding block 4 is in sliding connection with the support frame 1, the other end of the rotating rod 5 is rotatably connected with the sliding block 4 through the rotating shaft, the arrangement can drive the clamping block 3 to move towards the direction close to a test material, so that the clamping of a test rubber material is realized, the top end of the fixed block 7 is provided with a rotating block 8, the rotating block 8 penetrates through the fixed block 7, the rotating block 8 is rotatably connected with the fixed block 7, the bottom end face of the rotating block 8 is fixedly connected with a first threaded shaft 9, the first threaded shaft 9 penetrates through the protective cover 6, the first threaded shaft 9 is in threaded connection with the protective cover 6, the arrangement is convenient for controlling the lifting of the protective, the handle 10 penetrates through the bottom of the clamping block 3 on the left side, the handle 10 is rotatably connected with the clamping block 3 on the left side, the top end of the handle 10 is fixedly connected with a second threaded shaft 11, the second threaded shaft 11 is rotatably connected with the clamping block 3 on the left side, the outer side of the second threaded shaft 11 is spirally connected with a limiting rod 12, the limiting rod 12 penetrates through the clamping block 3, the limiting rod 12 is slidably connected with the clamping block 3, the right end face of the clamping block 3 on the right side is fixedly connected with a graduated scale 13, the graduated scale 13 is slidably connected with the limiting rod 12, the right end of the limiting rod 12 is arranged in an arrow head shape, the arrangement can accurately adjust and confirm the clamping length of the test rubber material, so that the accuracy of tension test data is ensured, a clamping block 16 is arranged on the outer side of the baffle 14 and is slidably connected with the baffle 14, the clamping block 16 penetrates through the protective cover 6, and the clamping block, the top end face of the clamping block 16 is fixedly connected with a second spring 17, the other end of the second spring 17 is fixedly connected with the protective cover 6, the arrangement has a limiting effect on the baffle plate 14, and the baffle plate 14 is convenient to close and open.

The working process is as follows: the electric telescopic rod 2 is an external power supply, when the device is used, the support frame 1 is fixed at the joint of the upper end and the lower end of a tensile testing machine through a connecting mechanism and a positioning hole 19, when the tensile testing is carried out on the rubber sole of the safety boot, the device is started firstly, then the clamping block 16 is pushed upwards, the second spring 17 is compressed at the moment, under the elastic force recovery of the first spring 15, the baffle plate 14 can slide towards the left side and the right side at the moment, the rotating block 8 is screwed, the first threaded shaft 9 can rotate at the moment, the protective cover 6 can slide upwards at the moment, when the protective cover 6 slides to the top end, the handle 10 is rotated according to the length required to be clamped by the rubber, the second threaded shaft 11 can also rotate at the moment, the limiting rod 12 can move up and down at the moment, when the position of the right end of the limiting rod 12 on the graduated scale 13 is the same as, then the rubber material to be tested is placed between the two clamping blocks 3, the top end of the tested rubber material is ensured to be contacted with the top end limiting rod 12, then the electric telescopic rod 2 at the top end is controlled to shrink through an external controller, at the moment, the sliding block 4 continuously upwards slides with the support frame 1, the rotating rod 5 continuously rotates, the clamping blocks 3 continuously move towards the direction close to the rubber material at the moment, so that the rubber material is clamped, after the top end of the rubber material is clamped, the top end clamping mechanism is controlled to continuously descend through a tensile testing machine until the bottom end of the rubber material is contacted with the limiting rod 12 at the bottom end, the bottom end of the rubber material is clamped, finally, the tensile test is carried out, as the clamping blocks 3 are protected in the protective cover 6 when not in use, and the outer sides of the clamping blocks 3 are fixedly connected with the convex blocks 18, the phenomenon that the rubber material suddenly breaks away from the device when the, when the tension test is finished, the device is reset.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a tensile test machine anchor clamps, includes support frame (1), its characterized in that: the supporting frame is characterized in that a positioning hole (19) is formed in the top end of the outer side of the supporting frame (1), an electric telescopic rod (2) is fixedly connected to the inner side of the supporting frame (1), a clamping block (3) is arranged at the bottom end of the supporting frame (1), the clamping block (3) penetrates through the supporting frame (1), the clamping block (3) is slidably connected with the supporting frame (1), a convex block (18) is fixedly connected to the outer side of the clamping block (3), a protective cover (6) is arranged at the bottom end of the outer side of the supporting frame (1), the protective cover (6) is slidably connected with the supporting frame (1), a fixing block (7) is fixedly connected to the top end of the left end face of the supporting frame (1), a baffle (14) is arranged at the bottom end of the inner side of the protective cover (6), the baffle (14) penetrates, and the first spring (15) is fixedly connected with the baffle (14), and the other end of the first spring (15) is fixedly connected with the protective cover (6).

2. The jig for a tensile testing machine according to claim 1, characterized in that: press from both sides tight piece (3) top and rotate through the pivot and be connected with dwang (5), electric telescopic handle (2) bottom end face fixedly connected with slider (4), and slider (4) run through support frame (1), slider (4) and support frame (1) sliding connection, the other end of dwang (5) rotates through pivot and slider (4) and is connected.

3. The jig for a tensile testing machine according to claim 1, characterized in that: fixed block (7) top is equipped with turning block (8), and turning block (8) run through fixed block (7), turning block (8) are rotated with fixed block (7) and are connected, the first threaded shaft (9) of turning block (8) bottom face fixedly connected with, and first threaded shaft (9) run through protection casing (6), first threaded shaft (9) and protection casing (6) threaded connection.

4. The jig for a tensile testing machine according to claim 1, characterized in that: be located the left it is equipped with handle (10) to press from both sides tight piece (3) bottom, and handle (10) run through the bottom that the left tight piece (3) of clamp, handle (10) with be located the left tight piece (3) of clamp and rotate and be connected, handle (10) top fixedly connected with second threaded spindle (11), and second threaded spindle (11) with be located the left tight piece (3) of clamp and rotate and be connected, second threaded spindle (11) outside screwed connection has gag lever post (12), and gag lever post (12) run through tight piece (3) of clamp, gag lever post (12) and the tight piece (3) sliding connection of clamp are located the right side press from both sides tight piece (3) right-hand member face fixedly connected with scale (13), and scale (13) and gag lever post (12) sliding connection, the right-hand member of gag lever post (12) is arrow point shape and sets up.

5. The jig for a tensile testing machine according to claim 1, characterized in that: the protective cover is characterized in that a clamping block (16) is arranged on the outer side of the baffle plate (14), the clamping block (16) is in sliding connection with the baffle plate (14), the clamping block (16) penetrates through the protective cover (6), the clamping block (16) is in sliding connection with the protective cover (6), a second spring (17) is fixedly connected to the top end face of the clamping block (16), and the other end of the second spring (17) is fixedly connected with the protective cover (6).