CN111650042B - A kind of rubber plastic strip tensile capacity detection device - Google Patents

Abstract

The invention discloses a device for detecting the stretching capacity of a rubber plastic strip, which comprises a workbench, wherein a height adjusting device is arranged on the workbench, a lifting plate is arranged on the height adjusting device, the rubber plastic strip is arranged on the lifting plate, an automatic clamping mechanism is arranged on the lower side of the lifting plate, a hydraulic cylinder is arranged on the workbench below the lifting plate and is connected with a buffer mechanism, a manual clamping device is arranged at the top of the buffer mechanism, the bottom of the rubber plastic strip is fixed in the manual clamping device, and a tension measuring device is connected between the lifting plate and the buffer mechanism. The invention has convenient fixation of the rubber plastic strip and accurate measurement of the tensile property of the rubber plastic strip.

Description

A device for detecting the tensile strength of rubber and plastic strips

technical field

The invention relates to the technical field of rubber manufacturing, in particular to a device for detecting the tensile capacity of rubber plastic strips.

Background technique

Rubber refers to a highly elastic polymer material with reversible deformation, which is elastic at room temperature, can produce large deformation under the action of a small external force, and can return to its original shape after removing the external force. Rubber is a completely amorphous polymer, its glass transition temperature is low, and its molecular weight is often large, greater than hundreds of thousands. Rubber is divided into natural rubber and synthetic rubber.

After the rubber is produced, its tensile properties need to be tested to ensure that it can meet the requirements of use. The existing detection device is not stable enough to fix the rubber-plastic strip, and the measurement accuracy is low. Therefore, in view of the above situation, it is urgent to develop a method that is convenient for fixing the rubber-plastic strip and accurately measures the tensile properties of the rubber-plastic strip. Detection device to overcome the deficiencies in current practical applications and meet current needs.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a device for detecting the tensile capacity of a rubber-plastic strip, so as to solve the problems raised in the above-mentioned background art.

To achieve the above object, the present invention provides the following technical solutions:

A device for detecting the tensile capacity of a rubber-plastic strip, comprising a worktable, a height adjustment device is installed on the worktable, a lifting plate is installed on the height adjustment device, a rubber-plastic strip is installed on the lifting plate, and the An automatic clamping mechanism is installed on the lower side of the lifting plate, a hydraulic cylinder is installed on the worktable below the lifting plate, the hydraulic cylinder is connected with the buffer mechanism, and a manual clamping device is installed on the top of the buffer mechanism, so the The bottom of the rubber-plastic strip is fixed in the manual clamping device, and a tension measuring device is connected between the lifting plate and the buffer mechanism.

As a further solution of the present invention: the height adjustment device includes a frame, a servo motor, a ball screw, a synchronous wheel, a synchronous belt and a slider, the frame is installed on the lower side of the worktable, and the frame is installed on the lower side of the worktable. A servo motor is installed, two ball screws are rotatably connected to the worktable, and a synchronizing wheel is respectively installed on the two ball screws. A sliding block is respectively installed on the ball screw, a lifting plate is connected between the two sliding blocks, and the output shaft of the servo motor is connected with the ball screw through a coupling.

As a further solution of the present invention: the automatic clamping mechanism includes: a first baffle, an electric telescopic cylinder, a pressure block and a first anti-skid pad, the first baffle is welded on the lower side of the lifting plate, the first An electric telescopic cylinder is installed on the lower side of the lift plate on the left side of the baffle, and the telescopic rod of the electric telescopic cylinder is connected with a pressure block, and a first anti-skid pad is respectively installed on the pressure block and the first baffle.

As a further solution of the present invention: the buffer mechanism includes: a tension plate, a support plate, a pull rod, a second spring and a third spring, the tension plate is connected with the telescopic rod of the hydraulic cylinder, and a support is installed above the tension plate A pull rod is installed at the bottom of the support plate, a second spring connected to the tension plate is installed on the left and right sides of the pull rod, and a second spring is installed on the inner side of the pull rod and the pull force A third spring to which the plate is attached.

As a further solution of the present invention: the manual clamping device includes: a vertical plate, a fastening bolt, a second anti-skid pad, a first spring, a second baffle plate and a third anti-skid pad, and the vertical plate is mounted on the support plate , a fastening bolt is installed on the vertical plate, the right end of the fastening bolt is attached to the second anti-skid pad, the second anti-skid pad is elastically connected to the vertical plate through a plurality of first springs, and the second anti-skid pad is elastically connected to the vertical plate. The right side of the anti-skid pad is installed with a third anti-skid pad matched therewith, the third anti-skid pad is mounted on the second baffle, and the bottom of the second baffle is fixedly connected with the support plate.

As a further solution of the present invention: the tension measuring device includes: a tension gauge, a pull wire and a lifting ring, the top of the tension gauge is connected with the lifting ring, the lifting ring is installed on the bottom of the lifting plate, and the bottom of the tension gauge is installed with a pulling wire , the bottom of the pull wire is connected with the support plate, and the length of the pull wire can be adjusted.

As a further solution of the present invention: a scale is installed on the workbench.

Compared with the prior art, the beneficial effect of the present invention is that: in the rubber-plastic strip tensile capacity detection device, the rubber-plastic strip is put into the manual clamping device through the lifting plate, and the ball screw is first driven to rotate by the servo motor. , Drive the slider to move up and down through the rotation of the ball screw, drive the lift plate to move up and down through the slider, adjust the fixed part of the rubber and plastic strips by moving the lift plate up and down, and drive the pressure block and the first anti-skid pad to move through the electric telescopic cylinder. The upper part of the rubber-plastic strip is clamped, the second anti-skid pad is moved by tightening the bolt, and the bottom of the rubber-plastic strip is clamped through the cooperation of the second anti-skid pad and the third anti-skid pad, which is beneficial to improve the stability of the rubber-plastic strip , to prevent sliding during stretching; the buffer mechanism is pulled by the hydraulic cylinder, and the stretching speed is reduced by the buffer mechanism to prevent the rubber plastic strip from being overstretched, and then the tensile force is measured by the tensile force measuring device, and the shape of the rubber plastic strip is measured by a scale variable, which facilitates accurate determination of the tensile properties of rubber-plastic strips. To sum up, the present invention is convenient for fixing the rubber-plastic strip, and accurately measures the tensile properties of the rubber-plastic strip.

Description of drawings

FIG. 1 is a front view of the present invention.

FIG. 2 is a view in the direction A-A in the front view of the present invention.

FIG. 3 is a partial view at B in the front view of the present invention.

FIG. 4 is a partial view of the position C in FIG. 2 of the present invention.

In the picture: 1- worktable, 2- height adjustment device, 201- frame, 202- servo motor, 203- ball screw, 204- synchronous wheel, 205- synchronous belt, 206- slide block, 3- lift plate, 301-guide hole, 4-rubber plastic strip, 5-automatic clamping mechanism, 501-first baffle, 502-electric telescopic cylinder, 503-pressure block, 504-first anti-skid pad, 6-manual clamping device, 601-Vertical plate, 602- Fastening bolt, 603-Second anti-skid pad, 604-First spring, 605-Second baffle plate, 606-Third anti-skid pad, 7-Hydraulic cylinder, 8-Buffer mechanism, 801- Tension plate, 802-support plate, 803-tie rod, 804-second spring, 805-third spring, 9-tension measuring device, 901-tension gauge, 902-pull wire, 903-hoisting ring, 10-scale.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1

Referring to FIGS. 1 to 4 , in an embodiment of the present invention, a device for detecting the tensile capacity of a rubber-plastic strip includes a workbench 1 , a height adjustment device 2 is installed on the workbench 1 , and a height adjustment device 2 is installed on the workbench 1 . There is a lift plate 3, the height adjustment device 2 includes: a frame 201, a servo motor 202, a ball screw 203, a synchronous wheel 204, a synchronous belt 205 and a slider 206, the frame 201 is installed under the worktable 1 On the side, a servo motor 202 is installed on the frame 201, two ball screws 203 are rotatably connected to the worktable 1, and a synchronizing wheel 204 is installed on the two ball screws 203 respectively. The synchronizing wheel 204 is rotatably connected by a synchronizing belt 205, a sliding block 206 is installed on the two ball screws 203 respectively, and a lifting plate 3 is connected between the two sliding blocks 206. The output of the servo motor 202 The shaft is connected to the ball screw 203 through a coupling, a guide hole 301 is formed on the lift plate 3, a rubber plastic strip 4 is installed on the lift plate 3, and the rubber plastic strip 4 passes through the guide hole 301, An automatic clamping mechanism 5 is installed on the lower side of the lifting plate 3. The automatic clamping mechanism 5 includes: a first baffle 501, an electric telescopic cylinder 502, a pressure block 503 and a first anti-skid pad 504. The baffle 501 is welded to the lower side of the lifting plate 3 , and an electric telescopic cylinder 502 is installed on the left side of the first baffle 501 on the lower side of the lifting plate 3 , and the telescopic rod of the electric telescopic cylinder 502 is connected with the pressure block 503 , a first anti-skid pad 504 is installed on the pressure block 503 and the first baffle 501 respectively, a hydraulic cylinder 7 is installed on the workbench 1 under the lifting plate 3, and the hydraulic cylinder 7 and the buffer mechanism 8 The buffer mechanism 8 includes: a tension plate 801, a support plate 802, a pull rod 803, a second spring 804 and a third spring 805. The tension plate 801 is connected to the telescopic rod of the hydraulic cylinder 7. A support plate 802 is installed above, a pull rod 803 is installed at the bottom of the support plate 802, and a second spring 804 connected to the pull plate 801 is installed on the left and right sides of the pull rod 803. Two second springs 804 A third spring 805 connected to the tension plate 801 is installed on the inner side of the pull rod 803, a manual clamping device 6 is installed on the top of the buffer mechanism 8, and the bottom of the rubber-plastic strip 4 is fixed on the manual clamping device. 6, the manual clamping device 6 includes: a vertical plate 601, a fastening bolt 602, a second anti-skid pad 603, a first spring 604, a second baffle 605 and a third anti-skid pad 606, the vertical plate 601 is installed On the support plate 802, a fastening bolt 602 is installed on the vertical plate 601, the right end of the fastening bolt 602 is attached to the second anti-skid pad 603, and the second anti-skid pad 603 passes through a plurality of first springs. 604 is elastically connected with the vertical plate 601, the right side of the second anti-skid pad 603 is mounted with a third anti-skid pad 606 matched with it, the third anti-skid pad 606 is installed on the second baffle 605, the bottom of the second baffle 605 is fixedly connected with the support plate 802, a tension measuring device 9 is connected between the lifting plate 3 and the buffer mechanism 8, and the workbench 1 A scale 10 is mounted thereon. Put the rubber plastic strip 4 through the lifting plate 3 into the manual clamping device 6, first drive the ball screw 203 to rotate through the servo motor 202, and then drive the slider 206 to move up and down through the rotation of the ball screw 203, and the slider 206 moves up and down The movement drives the lifting plate 3 to move up and down, adjust the fixed position of the rubber-plastic strip 4 by moving the lifting plate 3 up and down, clamp the upper part of the rubber-plastic strip 4 by the automatic clamping mechanism 5, and clamp the rubber-plastic strip 4 by the manual clamping device 6. The lower part of 4 is clamped to improve the stability of the rubber-plastic strip 4. The buffer mechanism 8 is pulled by the hydraulic cylinder 7, and the stretching speed is reduced by the buffer mechanism 8 to prevent the rubber-plastic strip 4 from being overstretched. Determining the tensile force and measuring the deformation amount of the rubber-plastic strip 4 through the scale 10 is beneficial to accurately measure the tensile properties of the rubber-plastic strip 4 .

Example 2

Referring to FIG. 1 , in the embodiment of the present invention, the tensile force measuring device 9 includes: a tensile force meter 901 , a pulling wire 902 and a lifting ring 903 , the top of the tensile force meter 901 is connected to the lifting ring 903 , and the lifting ring 903 is installed on the lifting plate 3 The bottom of the tension gauge 901 is provided with a pull wire 902, the bottom of the pull wire 902 is connected with the support plate 802, and the length of the pull wire 902 can be adjusted.

In the rubber-plastic strip tensile capacity detection device, the rubber-plastic strip 4 is put into the manual clamping device 6 through the lifting plate 3, and the ball screw 203 is driven to rotate by the servo motor 202 first, and the sliding is driven by the rotation of the ball screw 203. The block 206 moves up and down, the sliding block 206 moves up and down to drive the lifting plate 3 to move up and down, the lifting plate 3 moves up and down to adjust the fixed position of the rubber-plastic strip 4, and the electric telescopic cylinder 501 drives the pressure block 503 and the first anti-skid pad 504 to move. The upper part of the rubber-plastic strip 4 is clamped, the second anti-skid pad 603 is driven to move by the tightening bolt 601, and the bottom of the rubber-plastic strip 4 is clamped through the cooperation of the second anti-skid pad 603 and the third anti-skid pad 606, which is beneficial to Improve the stability of the rubber-plastic strip 4 to prevent slippage during stretching; pull the buffer mechanism 8 through the hydraulic cylinder 7, and the buffer mechanism 8 reduces the stretching speed to prevent the rubber-plastic strip 4 from being overstretched, and then the tension measuring device 9 Determining the tensile force and measuring the deformation amount of the rubber-plastic strip 4 through the scale 10 is beneficial to accurately measure the tensile properties of the rubber-plastic strip 4 .

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments are to be regarded in all respects as illustrative and not restrictive, and the scope of the invention is to be defined by the appended claims rather than the foregoing description, which are therefore intended to fall within the scope of the claims. All changes within the meaning and scope of the equivalents of , are included in the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (6)

1. A rubber plastic strip stretching capacity detection device comprises a workbench (1) and is characterized in that a height adjusting device (2) is installed on the workbench (1), a lifting plate (3) is installed on the height adjusting device (2), rubber plastic strips (4) are installed on the lifting plate (3), an automatic clamping mechanism (5) is installed on the lower side of the lifting plate (3), a hydraulic cylinder (7) is installed below the lifting plate (3) on the workbench (1), the hydraulic cylinder (7) is connected with a buffer mechanism (8), a manual clamping device (6) is installed at the top of the buffer mechanism (8), the bottom of each rubber plastic strip (4) is fixed in the manual clamping device (6), and a tension measuring device (9) is connected between the lifting plate (3) and the buffer mechanism (8);

the buffer mechanism (8) includes: tension plate (801), backup pad (802), pull rod (803), second spring (804) and third spring (805), tension plate (801) link to each other with the telescopic link of pneumatic cylinder (7), backup pad (802) are installed to the top of tension plate (801), pull rod (803) are installed to the bottom of backup pad (802), one second spring (804) that link to each other with tension plate (801) are installed respectively to the left and right sides of pull rod (803), two install one third spring (805) that link to each other with tension plate (801) respectively on pull rod (803) in the inboard of second spring (804).

2. The apparatus for testing the stretching ability of a strip of rubber-plastic material as claimed in claim 1, wherein said height adjustment means (2) comprises: frame (201), servo motor (202), ball (203), synchronizing wheel (204), hold-in range (205) and slider (206), install in the downside of workstation (1) frame (201), install servo motor (202) on frame (201), it is connected with two ball (203), two to rotate on workstation (1) install one synchronizing wheel (204) respectively on ball (203), two synchronizing wheel (204) rotate through hold-in range (205) and are connected, two install one slider (206) respectively on ball (203), two be connected with lifter plate (3) between slider (206), the output shaft of servo motor (202) passes through the shaft coupling and links to each other with ball (203).

3. The apparatus for testing stretch ability of rubber-plastic strip according to claim 1, wherein said automatic clamping mechanism (5) comprises: first baffle (501), electronic telescopic cylinder (502), pressure piece (503) and first slipmat (504), weld in the downside of lifter plate (3) first baffle (501), the left side of first baffle (501) is installed electronic telescopic cylinder (502) in the downside of lifter plate (3), the telescopic link of electronic telescopic cylinder (502) links to each other with pressure piece (503), install a first slipmat (504) on pressure piece (503) and first baffle (501) respectively.

4. A strip stretch capability test device according to claim 1, wherein said manual gripping means (6) comprises: the anti-skid device comprises a vertical plate (601), fastening bolts (602), a second anti-skid pad (603), first springs (604), a second baffle (605) and a third anti-skid pad (606), wherein the vertical plate (601) is installed on a supporting plate (802), the fastening bolts (602) are installed on the vertical plate (601), the right end of each fastening bolt (602) is attached to the second anti-skid pad (603), the second anti-skid pad (603) is elastically connected with the vertical plate (601) through the first springs (604), the third anti-skid pad (606) matched with the second anti-skid pad is installed on the right side of the second anti-skid pad (603), the third anti-skid pad (606) is installed on the second baffle (605), and the bottom of the second baffle (605) is fixedly connected with the supporting plate (802).

5. A device for testing the stretchability of a strip of rubber-plastics according to claim 4 wherein said stretching force measuring means (9) comprises: the tension meter comprises a tension meter (901), a pull wire (902) and a hanging ring (903), wherein the top of the tension meter (901) is connected with the hanging ring (903), the hanging ring (903) is installed at the bottom of the lifting plate (3), the pull wire (902) is installed at the bottom of the tension meter (901), the bottom of the pull wire (902) is connected with a supporting plate (802), and the length of the pull wire (902) is adjustable.

6. The device for detecting the stretching ability of the rubber-plastic strip according to claim 1, wherein a graduated scale (10) is mounted on the table (1).

Images