CN219608590U - Auxiliary device of material pulling machine - Google Patents

Abstract

The utility model discloses an auxiliary device of a material tension machine, which belongs to the technical field of material tension machines and comprises a bottom plate; the elastic chuck comprises a cylindrical section and a conical section, the conical section is coaxially provided with a clamping hole, and the outer conical surface of the conical section is provided with a strip-shaped groove; the locking sleeve is sleeved on the cylindrical section through threads, and a conical groove in a through hole form is coaxially formed in the locking sleeve, and the conical groove and the conical section form taper fit and can slide on the conical section; a cross arm; a lifting element; the floating sleeve is connected with the cross arm through the detecting element. Screw thread screwing on the cylindrical section through the lock sleeve to can make the awl inslot wall produce radial inboard extrusion force to the conical section, and then make the conical section produce radial inboard elastic contraction, make the centre gripping hole can produce even clamping force to the material sample, and then avoid the material sample surface to produce stress concentration, when the test, the material sample surface can not produce the damage like this, and then promotes the detection efficiency to the material sample.

Description

Auxiliary device of material pulling machine

Technical Field

The utility model relates to the technical field of material pulling machines, in particular to an auxiliary device of a material pulling machine.

Background

In order to improve the corrosion resistance, surface smoothness and oxidation resistance of a workpiece, a protective layer material such as a coating layer, a paint film and the like is coated on the surface of the workpiece, and the protective layer material has adhesive force with the workpiece, and the coating layer and the coated surface are combined together through physical and chemical actions, so the adhesive force is an important index for representing the combination of the coating layer, the paint film and the like with the coated surface of the workpiece. It is sometimes necessary to detect the adhesion of the coating on the surface of the workpiece, i.e. to detect the drawing force of the coating on the surface of the workpiece.

The utility model provides a through retrieving chinese patent number CN212514026U provides a pulling force machine that coating pulling force detected, including organism, pneumatic cylinder, first fixing base, drawing mechanism and second fixing base, the bottom of pneumatic cylinder is connected on the organism, and first fixing base is connected in the output of pneumatic cylinder piston rod, and drawing mechanism connects on first fixing base diapire, and the roof of second fixing base is connected with drawing mechanism, still is connected through a drive mechanism between first fixing base and the second fixing base.

When the tension detection equipment in the prior art clamps a material sample, the material sample is clamped by the relative proximity of the two clamping claws, and the clamping claws act on the clamping part on the surface of the material sample in the testing process due to the fact that the clamping claws act on the surface of the material sample, the clamping part is subjected to larger stress concentration, and the material sample is damaged, so that the testing precision of the material sample can be affected.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, provides an auxiliary device of a material pulling machine, and provides the following technical scheme for solving the technical problems:

the utility model provides: a material tensioner assist apparatus comprising:

a bottom plate;

the elastic chuck is vertically arranged on the bottom plate and comprises a cylindrical section and a conical section, the conical section is coaxial with the cylindrical section and the outer diameter of the conical section is gradually decreased from top to bottom, the conical section is coaxially provided with a clamping hole penetrating through the cylindrical section, the outer conical surface of the conical section is provided with a plurality of strip-shaped grooves penetrating through the clamping hole, and the cylindrical section is vertically fixedly connected to the bottom plate;

the locking sleeve is sleeved on the cylindrical section through threads, and a conical groove in a through hole form is coaxially formed in the locking sleeve, and the conical groove and the conical section form taper fit and can slide on the conical section;

the cross arm is arranged above the bottom plate and is driven by the lifting element to vertically move;

and the floating sleeve is connected with the cross arm through a detection element.

In the auxiliary device for the material pulling machine, the lifting element comprises a cylinder vertically arranged on the bottom plate, and a cylinder rod of the cylinder is connected with the cross arm.

In the auxiliary device for a material pulling machine as described above, the detecting element includes:

the sliding column vertically penetrates through the cross arm and can slide up and down freely, and the lower end of the sliding column is fixedly connected with the floating sleeve;

the mounting ring is fixedly connected to the cross arm, the sliding column freely penetrates out of an annular hole of the mounting ring, a mounting groove is formed in the upward side of the mounting ring, and a pressure sensor is arranged in the mounting groove;

the compression ring is movably sleeved on the sliding column and forms sliding fit with the sliding column;

the elastic propping structure is used for generating elastic propping force on the compression ring when the sliding column slides downwards.

In the auxiliary device of a material pulling machine as described above, the elastic propping structure includes:

the stop ring is fixedly sleeved at the lower end of the sliding column;

and the spring is sleeved on the sliding column, and two ends of the spring direction respectively elastically support against the stop ring and the compression ring.

In the auxiliary device for the material pulling machine, the bottom of the floating sleeve is provided with the concave positioning groove, and the outer wall of the floating sleeve is provided with a plurality of notches penetrating through the positioning groove.

Compared with the prior art, the utility model has the beneficial effects that: through inserting material sample one end in the centre gripping hole, rethread lock sleeve screw thread spin closes on the cylindrical segment, and can make the awl inslot wall produce radial inboard extrusion force to the circular cone section, and then make the circular cone section produce radial inboard elastic contraction, make the centre gripping hole can produce even clamping force to the material sample, and then avoid material sample surface to produce stress concentration, in the time of the test, material sample surface can not produce the damage like this, and then promote the detection efficiency to the material sample, through setting up lifting element drive xarm and upwards remove, make floating sleeve surface and material sample terminal surface bond, and then can stretch to the material sample, along with the continuous upward movement of xarm, rethread elasticity is supported the structure and is produced the elasticity that increases to the clamping ring and is supported the power, and then can make the clamping ring produce the pressure that increases to pressure sensor, the pressure signal feedback that pressure sensor produced is in the external control module, and then can accurately detect the tensile force that corresponds when material sample surface coating breaks, the precision of detection is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of an overall assembly structure of an auxiliary device of a material pulling machine according to the present utility model;

FIG. 2 is a schematic view showing a bottom view of an auxiliary device of a material pulling machine according to the present utility model;

FIG. 3 is a schematic view showing a bottom view of an auxiliary device of a material pulling machine according to the present utility model;

fig. 4 is an exploded view of an auxiliary device of a material pulling machine according to the present utility model.

In the figure: the device comprises a 1-cylindrical section, a 2-conical section, a 3-locking sleeve, a 4-clamping hole, a 5-bottom plate, a 6-cylinder, a 7-floating sleeve, an 8-cross arm, a 9-compression ring, a 10-spring, an 11-stop ring, a 12-pressure sensor, a 13-mounting ring, a 14-sliding column, a 15-notch, a 16-conical groove, a 17-strip-shaped groove and an 18-positioning groove.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples

As shown in fig. 1-4, the present embodiment provides a technical solution: the utility model provides a material pulling machine auxiliary device, including bottom plate 5, install the collet on the bottom plate 5 vertically, the collet includes cylindrical section 1, conical section 2 and cylindrical section 1 coaxial and external diameter top-down decrease in proper order, coaxial holding hole 4 that runs through cylindrical section 1 is offered on conical section 2, during the detection, insert the material sample tip in holding hole 4, a plurality of bar grooves 17 that run through holding hole 4 are offered on conical section 2's the outer conical surface, cylindrical section 1 vertical rigid coupling is in bottom plate 5, cylindrical section 1 upper thread cover is equipped with lock sleeve 3, and coaxial the opening in same axis has the conical groove 16 of through-hole form, conical groove 16 constitutes the tapering cooperation with conical section 2 and can slide on conical section 2, when fastening the material sample, through manual or utilize the rotatory lock sleeve 3 of instrument, make lock sleeve 3 screw thread on cylindrical section, and then can make lock sleeve 3 screw thread on cylindrical section 1, when screw thread is screwed, lock sleeve 3 will upwards remove, the bar groove 16 inner wall will produce relative slip to conical section 2's outer conical surface, and radial stress concentration area is produced to conical section 2's conical surface to the material, and the material is concentrated on the surface because of the sample is realized to the surface, the sample is concentrated in the circumferential direction, the sample is can be realized to the surface, the sample is realized, the material is concentrated to the surface, the surface is concentrated to the surface is on the surface of the taper section is on the surface, the surface is on the surface;

the cylinder 6 is vertically arranged on one side of the bottom plate 5, a cross arm 8 is fixedly sleeved on a cylinder rod of the cylinder 6, a sliding column 14 vertically penetrates through the cross arm 8, the sliding column 14 can freely slide up and down on the cross arm 8, a floating sleeve 7 is welded at the lower end of the sliding column 14, a locating groove 18 in a blind hole form is coaxially formed in the bottom of the floating sleeve 7, the inner diameter of the locating groove 18 is slightly larger than the outer diameter of the sliding column 14, when the cylinder rod of the cylinder 6 stretches to drive the cross arm 8 to move upwards, a stop ring 11 is fixedly sleeved at the upper end of the sliding column 14, the stop ring 11 is positioned above the cross arm 8, a pressing ring 9 is movably sleeved on the sliding column 14, the pressing ring 9 can freely slide up and down on the sliding column 14, the pressing ring 9 is positioned between the cross arm 8 and the stop ring 11, a mounting groove in a notch form is formed in a face upwards by welding the mounting ring 13, the mounting groove is provided with a pressure sensor 12, the pressure sensor 12 is electrically connected with an external control module through a cable, when the pressure sensor 12 receives extrusion force, a pressure signal is generated, the pressure signal is fed back to the control module through the cable, the control module can detect the pressure value of the pressure sensor 12, in addition, the sliding column 14 is sleeved with a spring 10, the spring 10 is positioned between the compression ring 9 and the brake buffer 11, during detection, firstly, the end face of the other end of a material sample is adhered to the inner top wall of the positioning groove 18 through glue, so that the end of the material sample is connected to the positioning groove 18, then the cylinder rod of the cylinder 6 stretches, and the floating sleeve 7 can be driven to move upwards, and when moving upwards, the material sample is in a stretched state, so that the spring is continuously in a compressed state along with the upward movement of the cross arm, the pressure of the pressure ring to the pressure sensor is further enabled to be in an increasing state, the fact that the tensile force borne by the material sample is continuously increased at the moment is described, when the surface of the coating of the material sample is broken, the maximum numerical value of the pressure sensor corresponds to the tensile strength of the material sample, in addition, the inner top wall of the positioning groove is connected with the end part of the material sample through viscose, after the material sample is detected, the glue needs to be shoveled off, so that the glue can be shoveled off conveniently, two notches 15 can be formed in the outer wall of the floating sleeve, and a tool can be penetrated into the positioning groove through the notches 15, and then the glue on the inner top wall of the positioning groove can be shoveled off.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (5)

1. A material tensioner assist device, comprising:

a bottom plate (5);

the elastic clamp is vertically arranged on the bottom plate (5), the elastic clamp comprises a cylindrical section (1) and a conical section (2), the conical section (2) and the cylindrical section (1) are coaxial, the outer diameter of the conical section is gradually decreased from top to bottom, clamping holes (4) penetrating through the cylindrical section (1) are coaxially formed in the conical section (2), a plurality of strip-shaped grooves (17) penetrating through the clamping holes (4) are formed in the outer conical surface of the conical section (2), and the cylindrical section (1) is vertically fixedly connected to the bottom plate (5);

the locking sleeve (3) is sleeved on the cylindrical section (1) in a threaded manner, a conical groove (16) in a through hole form is coaxially formed in the cylindrical section, and the conical groove (16) and the conical section (2) form taper fit and can slide on the conical section (2);

the cross arm (8) is arranged above the bottom plate (5) and is driven by the lifting element to vertically move;

and the floating sleeve (7) is connected with the cross arm (8) through a detection element.

2. A material tensioner aid according to claim 1, characterised in that the lifting element comprises a cylinder (6) mounted vertically on the base plate (5), the cylinder rod of the cylinder (6) being connected to the cross arm (8).

3. A material tensioner aid according to claim 1, wherein the sensing element comprises:

the sliding column (14) vertically penetrates through the cross arm (8) and can slide up and down freely, and the lower end of the sliding column (14) is fixedly connected with the floating sleeve (7);

the mounting ring (13) is fixedly connected to the cross arm (8), the sliding column (14) freely penetrates through an annular hole of the mounting ring (13), a mounting groove is formed in the upward side of the mounting ring (13), and a pressure sensor (12) is arranged in the mounting groove;

the compression ring (9) is movably sleeved on the sliding column (14) and is in sliding fit with the sliding column (14);

the elastic propping structure is used for generating elastic propping force on the compression ring (9) when the sliding column (14) slides downwards.

4. A material tensioner aid as claimed in claim 3, wherein the resilient abutment comprises:

the stop ring (11) is fixedly sleeved at the lower end of the sliding column (14);

the spring (10) is sleeved on the sliding column (14), and two ends of the spring direction elastically abut against the stop ring (11) and the compression ring (9) respectively.

5. A material tension machine auxiliary device as claimed in claim 1, wherein the bottom of the floating sleeve (7) is provided with a concave positioning groove (18), and the outer wall of the floating sleeve (7) is provided with a plurality of notches (15) penetrating through the positioning groove (18).