CN217006752U - A traction device of an electronic tensile testing machine - Google Patents

Abstract

The utility model relates to the technical field of electronic tensile testing machines, in particular to a traction device of an electronic tensile testing machine, which comprises a workbench, a connecting seat, a bracket, a touch display, an upper mounting seat, a lower mounting seat, a first screw rod, a second screw rod, a sound insulation box, a driving mechanism, a tensile force detection assembly, a lower clamping mechanism, an upper clamping mechanism, a driving shaft, a first driving bevel gear and a second driving bevel gear, the upper mounting seat is provided with a first internal thread hole and a second internal thread hole which are opposite to the first screw and the second screw, a first through hole and a second through hole are arranged on the lower mounting seat and are opposite to the first screw rod and the second screw rod, a first driven bevel gear and a second driven bevel gear are arranged on the first screw rod and the second screw rod, the first driving bevel gear is meshed with the first driven bevel gear, and the second driving bevel gear is meshed with the second driven bevel gear; the utility model has simple structure, low noise, stable tension and high test precision.

Description

A traction device of an electronic tensile testing machine

technical field

The utility model relates to the technical field of electronic tensile testing machines, in particular to a traction device of an electronic tensile testing machine.

Background technique

Electronic tensile testing machine, also known as electronic tensile testing machine, is suitable for plastic films, composite materials, adhesives, adhesive tapes, self-adhesives, medical patches, protective films, release paper, backing materials, rubber, paper fibers and other products. Tensile, peeling, deformation, tearing, heat sealing, bonding, puncture force, opening force, low-speed unwinding force and other performance tests. At present, the hydraulic system is used to drive the traction device. The structure of the instrument is complex, the noise is large, and the pulling force is unstable. , resulting in low test accuracy.

Utility model content

The purpose of the utility model is to provide a traction device of an electronic tensile testing machine with simple structure, low noise, stable tensile force and high test accuracy, aiming at the above shortcomings.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

A traction device of an electronic tensile testing machine, comprising a workbench, a connecting seat arranged above the workbench, used for connecting the connecting seat and a bracket used by the workbench, and a touch display disposed on one side of the bracket , the upper mounting seat and the lower mounting seat which are arranged up and down facing the bottom of the bracket, the first screw rod and the second screw rod arranged vertically, the sound insulation box arranged in the workbench, and the sound insulation box arranged in the sound insulation box A driving mechanism, the lower mounting seat is fixed on the worktable, a tension detection component is arranged on the lower mounting seat, and a lower clamping mechanism is arranged at the detection end of the tension detection component, and the bottom surface of the upper mounting seat is An upper clamping mechanism is arranged facing the lower clamping mechanism, and the upper mounting seat is provided with a first inner thread hole and a second inner thread hole facing the first screw rod and the second screw rod, and the lower mounting seat is provided with a first inner thread hole and a second inner thread hole. A first through hole and a second through hole are arranged on the top facing the first screw rod and the second screw rod. The output end of the driving mechanism is driven and connected to a driving shaft after passing through the sound insulation box, and the driving shaft is provided with a driving shaft. There are a first driving bevel gear and a second driving bevel gear, the first screw and the second screw are provided with a first driven bevel gear and a second driven bevel gear, and the first driving bevel gear is connected with the first driven bevel gear. The driving bevel gear is meshed with the second driving bevel gear, and the second driving bevel gear is meshed with the second driven bevel gear. Both the driving mechanism and the tension detection component are electrically connected to the touch display.

Further, the tensile force detection assembly includes an upper rectangular seat and a lower rectangular seat which are arranged up and down facing each other, and are used for connecting the four tensile force sensors used by the upper rectangular seat and the lower rectangular seat, and the lower rectangular seat is fixed on the On the workbench, the four tension sensors are respectively arranged near the four corners of the lower rectangular seat.

Further, the lower clamping mechanism includes a lower fixing plate fixed on the upper surface of the upper rectangular seat, and a lower clamping plate disposed facing the lower fixing plate for driving the lower clamping plate closer to or away from the lower clamping plate. For the two lower driving cylinders used in the lower fixing plate, lower anti-skid pads are arranged on the opposite surfaces of the lower fixing plate and the lower clamping plate.

Further, the upper clamping mechanism includes an upper fixing plate fixed on the lower surface of the upper mounting seat, and an upper clamping plate disposed facing the upper fixing plate for driving the upper clamping plate closer to or away from the For the two upper driving cylinders used by the upper fixing plate, upper anti-skid pads are provided on the opposite surfaces of the upper fixing plate and the upper clamping plate.

Further, the left and right sides of the upper mounting seat are respectively vertically provided with sliding grooves, the support is provided with sliding rails facing the sliding grooves, and the upper mounting seat is slidably connected to the sliding grooves through the sliding grooves and the sliding rails. on the stand.

Further, the drive mechanism includes a servo motor fixed in the sound insulation box, the output shaft of the servo motor is drivingly connected with a reducer, and the output shaft of the reducer passes through the sound insulation box and is driven to connect to the Active shaft.

The beneficial effects of the present utility model are:

In practical applications, during use, the two ends of the material to be tested are clamped by the upper clamping mechanism and the lower clamping mechanism respectively, and the touch display controls the driving mechanism to drive the driving shaft to rotate, and the first driving bevel gear on the driving shaft passes through the first driving bevel gear. The first driven bevel gear is driven to drive the first screw to rotate, while the second driven bevel gear on the driving shaft drives the second driven bevel gear to drive the second screw to rotate, and the first screw and the second screw drive the upper mounting seat to approach or Away from the lower mounting seat, the tensile force of the material to be tested is detected by the tensile force detection component, and the detection result is displayed on the touch display; the noise generated by the driving mechanism is isolated by the sound insulation box, and the test noise is small; the utility model has a simple structure and low noise. , The tensile force is stable and the test accuracy is high.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present utility model;

Reference signs: workbench 1; connecting seat 101; bracket 102; slide rail 1021; touch display 2; upper mounting seat 3; lower mounting seat 4; first screw 5; second screw 6; sound insulation box 7; upper rectangle seat 801; lower rectangular seat 802; tension sensor 803; lower fixing plate 901; lower clamping plate 902; lower driving cylinder 903; upper fixing plate 1001; upper clamping plate 1002; upper driving cylinder 1003; servo motor 1101; reducer 1102; drive shaft 12; first drive bevel gear 1201; second drive bevel gear 1202.

Detailed ways

As shown in FIG. 1 , a traction device of an electronic tensile testing machine includes a workbench 1 and a connecting base 101 arranged above the workbench 1 for connecting the connecting base 101 and a bracket used by the workbench 1 102, the touch display 2 arranged on one side of the bracket 102, the upper mounting seat 3 and the lower mounting seat 4 arranged under the bracket 102 up and down, the first screw 5 and the second screw 6 vertically arranged , the sound insulation box 7 arranged in the workbench 1, and the drive mechanism arranged in the sound insulation box 7, the lower mounting seat 4 is fixed on the workbench 1, and the lower mounting seat 4 is arranged on the There is a tension detection assembly, the detection end of the tension detection assembly is provided with a lower clamping mechanism, the bottom surface of the upper mounting seat 3 is facing the lower clamping mechanism and an upper clamping mechanism is provided, and the upper mounting seat 3 is directly opposite. The first screw 5 and the second screw 6 are provided with a first internal thread hole and a second internal thread hole, and the lower mounting seat 4 is provided with a first screw hole 5 and the second screw 6. A through hole and a second through hole, the output end of the drive mechanism passes through the sound insulation box 7 and is driven and connected to a driving shaft 12, and the driving shaft 12 is provided with a first driving bevel gear 1201 and a second driving bevel gear 1202, the first screw 5 and the second screw 6 are provided with a first driven bevel gear and a second driven bevel gear, the first driving bevel gear 1201 meshes with the first driven bevel gear, the The two driving bevel gears 1202 are meshed with the second driven bevel gear, and the driving mechanism and the tension detection component are both electrically connected to the touch display 2 .

When in use, the two ends of the material to be tested are clamped by the upper clamping mechanism and the lower clamping mechanism respectively. The first driven bevel gear is driven to drive the first screw 5 to rotate, while the second driven bevel gear 1202 on the driving shaft 12 drives the second driven bevel gear to drive the second screw 6 to rotate, through the first screw 5 and the first internal thread The hole, the second screw 6 and the second inner threaded hole drive the upper mounting seat 3 to approach or move away from the lower mounting seat 4, and the tensile force of the material to be tested is detected by the tensile force detection component, and the detection result is displayed on the touch display 2; The sound insulation box 7 isolates the noise generated by the driving mechanism, and the test noise is small; the utility model has the advantages of simple structure, low noise, stable pulling force and high test accuracy.

As shown in FIG. 1 , the tensile force detection assembly includes an upper rectangular seat 801 and a lower rectangular seat 802 that are vertically opposite to each other, and are used to connect the four tensile force sensors 803 used by the upper rectangular seat 801 and the lower rectangular seat 802 , The lower rectangular seat 802 is fixed on the worktable 1, and the four tensile force sensors 803 are respectively disposed near the four corners of the lower rectangular seat 802; in this embodiment, the four tensile force sensors 803 detect the material to be tested simultaneously The tensile force received is stable and the test accuracy is high.

As shown in FIG. 1 , the lower clamping mechanism includes a lower fixing plate 901 fixed on the upper surface of the upper rectangular seat 801, and a lower clamping plate 902 facing the lower fixing plate 901 for driving the The lower clamping plate 902 is close to or away from the two lower driving cylinders 903 used by the lower fixing plate 901, and lower anti-skid pads are provided on the opposite surfaces of the lower fixing plate 901 and the lower clamping plate 902; this embodiment , the lower clamping plate 902 is driven by the lower driving cylinder 903 to approach the lower fixing plate 901, and the lower end of the material to be tested is clamped between the lower fixing plate 901 and the lower clamping plate 902. Lower anti-skid pads are set on the opposite surface of 902, which can effectively prevent the material to be tested from slipping during the test.

As shown in FIG. 1 , the upper clamping mechanism includes an upper fixing plate 1001 fixed on the lower surface of the upper mounting base 3 , and an upper clamping plate 1002 facing the upper fixing plate 1001 for driving the The upper clamping plate 1002 is close to or away from the two upper driving cylinders 1003 used by the upper fixing plate 1001, and upper anti-skid pads are provided on the opposite surfaces of the upper fixing plate 1001 and the upper clamping plate 1002; this embodiment , the upper clamping plate 1002 is driven close to the upper fixing plate 1001 by the upper driving cylinder 1003, and the upper end of the material to be tested is clamped between the upper fixing plate 1001 and the upper clamping plate 1002. Anti-skid pads are provided on the opposite surface of the tightening plate 1002 to effectively prevent the material to be tested from slipping during the test.

As shown in FIG. 1 , the left and right sides of the upper mounting seat 3 are respectively provided with sliding grooves. The bracket 102 is provided with sliding rails 1021 facing the sliding grooves. The upper mounting seat 3 passes through the sliding grooves. It is slidably connected with the slide rail 1021 on the bracket 102; in this embodiment, the upper mounting seat 3 slides up and down along the slide rail 1021 through the slide groove, and the sliding is more stable.

As shown in FIG. 1 , the drive mechanism includes a servo motor 1101 fixed in the sound insulation box 7 , a reducer 1102 is drivingly connected to the output shaft of the servo motor 1101 , and the output shaft of the reducer 1102 passes through The sound insulation box 7 is driven and connected to the drive shaft 12; in this embodiment, by installing the servo motor 1101 and the reducer 1102 in the sound insulation box 7, the noise generated by the servo motor 1101 and the reducer 1102 during the test can be effectively isolated. noise.

The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or supplements to the described specific embodiments or substitute in similar manners, but will not deviate from the scope defined by the spirit of the present invention.

Claims (6)

1. A traction device for an electronic tensile testing machine, characterized in that it comprises a workbench (1), a connecting seat (101) above the workbench (1), for connecting the connecting seat (101) and the bracket (102) used in the workbench (1), the touch display (2) arranged on one side of the bracket (102), and the upper mounting seat (3) arranged under the bracket (102) up and down facing each other ) and the lower mounting seat (4), the vertically arranged first screw (5) and the second screw (6), the sound insulation box (7) arranged in the workbench (1), and the sound insulation box (7) arranged in the partition The drive mechanism in the sound box (7), the lower mounting seat (4) is fixed on the workbench (1), the lower mounting seat (4) is provided with a tension detection component, and the detection of the tension detection component The end is provided with a lower clamping mechanism, the bottom surface of the upper mounting seat (3) is facing the lower clamping mechanism and is provided with an upper clamping mechanism, and the upper mounting seat (3) is facing the first screw (5). ) and the second screw (6) are provided with a first internal thread hole and a second internal thread hole, and the lower mounting seat (4) is provided with the first screw (5) and the second screw (6) facing the A first through hole and a second through hole, the output end of the drive mechanism passes through the sound insulation box (7) and is driven and connected to a drive shaft (12), the drive shaft (12) is provided with a first drive cone A gear (1201) and a second driving bevel gear (1202), the first screw (5) and the second screw (6) are provided with a first driven bevel gear and a second driven bevel gear, the first The driving bevel gear (1201) is meshed with the first driven bevel gear, the second driving bevel gear (1202) is meshed with the second driven bevel gear, and the driving mechanism and the tension detection component are both electrically connected to the touch control Display (2). 2. The traction device of an electronic tensile testing machine according to claim 1, characterized in that: the tensile force detection assembly comprises an upper rectangular seat (801) and a lower rectangular seat (802) that are set up and down facing each other, for Four tension sensors (803) used to connect the upper rectangular seat (801) and the lower rectangular seat (802), the lower rectangular seat (802) is fixed on the worktable (1), and the four tension sensors (803) are Tensile force sensors (803) are respectively disposed near the four corners of the lower rectangular seat (802). 3. The traction device of an electronic tensile testing machine according to claim 2, wherein the lower clamping mechanism comprises a lower fixing plate (901) fixed on the upper surface of the upper rectangular seat (801), A lower clamping plate (902) disposed opposite to the lower fixing plate (901) for driving the lower clamping plate (902) to approach or away from the lower fixing plate (901) using two lower drives In the cylinder (903), lower anti-skid pads are provided on the opposite surfaces of the lower fixing plate (901) and the lower clamping plate (902). 4. The traction device of an electronic tensile testing machine according to claim 1, wherein the upper clamping mechanism comprises an upper fixing plate (1001) fixed on the lower surface of the upper mounting seat (3), an upper clamping plate (1002) disposed opposite to the upper fixing plate (1001) and used for driving the upper clamping plate (1002) to approach or away from the upper fixing plate (1001) using two upper drives In the cylinder (1003), upper anti-skid pads are provided on the opposite surfaces of the upper fixing plate (1001) and the upper clamping plate (1002). 5. The traction device of an electronic tensile testing machine according to claim 1, characterized in that: the left and right sides of the upper mounting seat (3) are respectively vertically provided with chute, and the bracket (102) is provided with a chute respectively. A sliding rail (1021) is provided opposite to the sliding groove, and the upper mounting seat (3) is slidably connected to the bracket (102) through the sliding groove and the sliding rail (1021). 6 . The traction device of an electronic tensile testing machine according to claim 1 , wherein the drive mechanism comprises a servo motor ( 1101 ) fixed in the sound insulation box ( 7 ), and the servo motor ( A speed reducer (1102) is drivingly connected to the output shaft of 1101), and the output shaft of the speed reducer (1102) is driven to connect to the driving shaft (12) after passing through the sound insulation box (7).

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