CN207456947U - A nylon tensile testing machine - Google Patents

Abstract

The utility model discloses a nylon tension tester, which comprises a test cabinet, wherein the test cabinet comprises a base, a chassis is fixedly arranged on the base, a portal frame is arranged on the chassis, a lower clamp component is arranged between two side arms of the portal frame on the chassis, lifting components are arranged on two side arms of the portal frame, and the two lifting components are connected with a movable supporting plate movably arranged between the two side arms and can drive the movable supporting plate to vertically move; the bottom end of the movable supporting plate is provided with a connecting seat, the bottom end of the connecting seat is provided with an upper clamp component, the upper clamp assembly is matched and right opposite to the lower clamp assembly in position, and a tension test sensor is further arranged on the connecting seat; when the test is carried out, the test paper is put into practical use, the lower clamp assembly and the upper clamp assembly respectively clamp and fix two ends of the nylon to be tested, the upper clamp assembly is driven by the movable supporting plate to move vertically and is matched with the lower clamp assembly to pull the nylon to be tested, and the nylon tension test is completed by matching with the tension test sensor. This novel nylon tensile test machine noise is little, speed is controllable, exert oneself steadily and efficiency of software testing is high.

Description

A nylon tensile testing machine

technical field

The utility model relates to the field of testing equipment, in particular to a nylon tension testing machine.

Background technique

There is a granular material on the market that is used in gears, bearings, fan blades, pump blades, bicycle parts, auto industry parts, fishing gear and some precision engineering products-reinforced nylon material. This kind of reinforced nylon material is widely used because of its good wear resistance, heat resistance, oil resistance, chemical resistance, low water absorption and shrinkage, excellent dimensional stability and excellent mechanical strength.

Currently, in order to verify the stretchability and tensile properties of the reinforced nylon material, it is necessary to perform a tensile test on the extruded linear nylon, that is, to test how much tensile force the reinforced nylon material can withstand without breaking. For the verification of the stretch rate and tensile performance of linear materials, tensile testing machines are often used for testing. However, the existing tensile testing machines have the disadvantages of high noise, uncontrollable speed, unstable output, low testing accuracy and low testing efficiency.

Therefore, the design of a new type of nylon tensile testing machine is expected by the market.

Utility model content

The technical problem solved by the utility model is to provide a nylon tensile testing machine for the above-mentioned defects in the prior art. The nylon tensile testing machine has low noise, controllable speed, stable output and high testing efficiency.

In order to solve the above-mentioned technical problems, the technical scheme adopted by the utility model is as follows: a nylon tensile testing machine, including a test cabinet, the test cabinet includes a base, a chassis is fixed on the base, and a gantry frame is installed on the chassis , a fixture assembly is installed between the two side arms of the gantry frame on the chassis, and a lifting assembly is arranged on the two side arms of the gantry frame, and the two lifting assemblies are movable on the two side arms. The movable pallet is connected and can drive the movable pallet to move vertically; the bottom end of the movable pallet is provided with a connecting seat, and the bottom end of the connecting seat is equipped with an upper clamp assembly, and the upper clamp assembly The position is matched with the lower clamp assembly, and a tension test sensor is also installed on the connecting seat; during the test, the lower clamp assembly and the upper clamp assembly respectively clamp and fix the two ends of the nylon to be tested, and the The upper clamp assembly is driven by the movable supporting plate to move vertically and matches the lower clamp assembly to pull the nylon to be tested, and cooperates with the tension test sensor to complete the nylon tension test.

As a further elaboration to the above-mentioned technical scheme:

In the above technical solution, each of the lifting components includes a base plate, and a ball screw nut pair extending vertically is provided on the base plate, and the ball screw nut pair includes a ball nut and a ball screw rod, and the ball screw nut pair includes a ball screw nut and a ball screw rod. The nut is sleeved on the ball screw, and the ball screw is loaded and installed through two bearing seats installed at both ends of the bottom plate in the vertical direction, and one end of the ball screw is connected to a driving device through a synchronous belt transmission pair. transmission connection, the driving device drives the ball screw to rotate, so that the ball nut slides vertically along the ball screw; the bottom plate is also provided with two linear guide rails extending in the vertical direction, and the two The linear guide rails are located on both sides of the ball screw nut pair in the transverse direction. A sliding seat is installed on the two linear guide rails, and the sliding seat is fixedly connected with the matching ball nut. The sliding matching of the ball screw drives the sliding seat to move vertically along the two linear guide rails; the sliding seat of each lifting assembly is also connected to the movable pallet, and the two sliding seats move vertically synchronously And drive described movable supporting plate vertical lifting.

Further, the linear guide is a square ball linear guide.

Further, the driving device is a driving motor.

Further, the synchronous belt transmission pair includes a driving wheel installed on the rotating shaft of the driving device, a driven wheel installed at one end of the ball screw, and a driving wheel that is sleeved on the driving wheel and the driven wheel and drives The timing belt connecting the driving wheel and the driven wheel.

In the above technical solution, the upper clamp assembly includes a first clamp body and a first chuck, the first clamp body is screwed to the connecting seat through bolts, and the first clamp is installed on the second clamp The bottom end of a fixture body is screwed to the first fixture body, and the bottom of the first chuck is also formed with a first clamping opening for the nylon to be tested to be inserted and clamped to the lock buckle.

In the above technical solution, the lower clamp assembly includes a support base, a second clamp body, and a second chuck arranged in sequence from bottom to top; the support base is fixedly installed on the chassis, and is positioned at the Between the two side arms of the gantry frame; the second clamp body is fixed on the top of the support base, the second clamp is fixed on the top of the second clamp body, and the second clamp There is also a second clamp opening for the nylon to be tested to extend into and clamp and fix the nylon to be tested.

In the above technical solution, the test cabinet is also provided with a switch control board and a control assembly; the switch control board is installed on the chassis, the control assembly is installed in the chassis, and the control assembly Connect the switch control board, the lifting component and the tension test sensor and control the work of the test cabinet.

In the above technical solution, an electric control cabinet is also included, and an industrial control computer and a display screen are arranged on the electric control cabinet, and the industrial control computer is electrically connected to the display screen and the control components; wherein, the industrial control computer is used for input control The instruction makes the control component respond to the matching nylon tensile test operation and/or output nylon tensile test data to the display screen for display.

Compared with the prior art, the utility model has the beneficial effects that: the nylon tensile testing machine of the present utility model adopts a ball screw nut pair for lifting transmission and provides power for the tensile test, and the running noise of the tensile testing machine is small and the speed is low during the working process. Controllable, stable output and high test efficiency; at the same time, a high-precision tensile test sensor is used to test the tensile force applied to nylon, with high test accuracy and good use effect.

Description of drawings

Fig. 1 is the structural diagram of the new nylon tensile testing machine;

Fig. 2 is a structural diagram of the lifting assembly of the present invention.

In the figure, 001. Test cabinet, 002. Electric control cabinet, 1. Base, 2. Chassis, 3. Gantry frame, 4. Lower fixture assembly, 5. Lifting assembly, 6. Movable pallet, 7. Connecting seat, 8 .Upper fixture assembly, 9. Tensile test sensor, 10. Switch control panel, 11. Display screen, 31. Side arm, 32. Beam, 41. Support seat, 42. Second fixture body, 43. Second chuck, 51. Bottom plate, 52. Ball screw nut pair, 53. Synchronous belt transmission pair, 54. Driving device, 55. Linear guide rail, 56. Sliding seat, 81. The first fixture body, 82. The first chuck, 83. Bolt, 431. second jaw, 521. ball nut, 522. ball screw, 523. bearing seat, 531. driving wheel, 532. driven wheel, 821. first jaw.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Accompanying drawing 1-2 has exemplified a kind of specific embodiment of the present invention, as shown in Figure 1-2, a kind of nylon tensile testing machine of this embodiment, it comprises test cabinet 001 and electric control cabinet 002; Wherein, described The test cabinet 001 includes a base 1, the base 1 is a cabinet body with a drawer grid, a chassis 2 is fixed on the base 1, a gantry 3 is installed on the chassis 2, and the gantry 3 on the chassis 2 A fixture assembly 4 is installed between the two side arms 31 of the gantry frame 3, and a lifting assembly 5 is arranged on the two side arms 31 of the gantry 3, and the two lifting assemblies 5 are movable between the two side arms 31. The movable pallet 6 between them is connected and can synchronously drive the movable pallet 6 to move vertically. The movable pallet 6 is always parallel to the crossbeam 32 of the gantry 3 in the moving/stationary state. In practice, the The side arm 31 of the gantry 3 is also provided with a limit assembly (not shown in the accompanying drawings) for limit detection. The limit assembly is two limit blocks arranged at intervals up and down on the side arm 31, and the movable A limit detection block (marked in the drawings) is provided on the pallet 6, and the limit detection block cooperates with the two limit blocks to limit the displacement of the vertical movement of the movable pallet 6; the bottom end of the movable pallet 6 is set The connecting seat 7, in this embodiment, the connecting seat 7 is screwed to the movable pallet 6, the bottom end of the connecting seat 7 is provided with an upper clamp assembly 8, and the upper clamp assembly 8 is positioned It is matched with the lower clamp assembly 4, the so-called matched positive pair means that the upper clamp assembly 8 and the lower clamp assembly 4 are located in the same vertical plane, so that when the tension test is performed on the nylon, it is ensured that the nylon is pulled vertically and straightly. A tensile test sensor 9 is also installed on the connecting seat 7, and the tensile test sensor 9 is used to detect the magnitude of the tensile force applied to the nylon, thereby verifying the tensile performance of the nylon; the test cabinet 001 is also equipped with There is a switch control board 10 and a control assembly (not shown in the drawings); The switch control board 10 is provided with a start/stop button, an emergency brake button and an up/down button; and the tension test sensor 9 and control the work of the test cabinet 001. In practice, the corresponding buttons on the switch control panel 10 are used to control the control component to perform the operation of controlling the lifting component 5 and the tension test sensor 9 to perform the tension test. ; During the test, the lower clamp assembly 4 and the upper clamp assembly 8 respectively clamp and fix the two ends of the nylon to be tested, and the upper clamp assembly 8 is driven by the movable pallet 6 to be vertical to the lower clamp assembly 4 Move and cooperate with the lower clamp assembly 4 to vertically pull the nylon to be tested, and the tension test sensor 9 will test the tension applied to the nylon through detection to complete the nylon tension test; the electric control cabinet 002 is equipped with an industrial control A computer (not shown in the drawings) and a display screen 11, the industrial control computer is electrically connected to the display screen 11 and the control components; wherein, the industrial control computer is used to input control instructions (in practice, the industrial control computer is also equipped with a mouse and a keyboard to facilitate the input of control commands) to make the control components respond to the matching nylon tension test operation and/or output the nylon tension test data to the display screen 11 for display, in practice , the industrial computer is implanted with a software operating system for tensile testing, and the software operating system is displayed on the display screen 11, and controls and test data of all operation instructions are also presented on the display screen 11.

In this embodiment, with reference to accompanying drawing 2, each of the lifting assemblies 5 includes a bottom plate 51, on which a ball screw nut pair 52 extending vertically is arranged, and the ball screw nut pair 52 includes A ball nut 521 and a ball screw 522, the ball nut 521 is sleeved on the ball screw 522, and the ball screw 522 is carried by two bearing seats 523 installed at both ends of the bottom plate 51 in the vertical direction. , and one end of the ball screw 522 is connected to a driving device 54 through a synchronous belt transmission pair 53; It includes a driving wheel 531 installed on the rotating shaft of the driving device 54, a driven wheel 532 installed at one end of the ball screw 522, and a driving wheel 531 sleeved on the driving wheel 531 and driven wheel 532 and connected by transmission. The timing belt of the driving wheel 531 and the driven wheel 532 (not assembled and shown in the drawings); the driving device 54 drives the ball screw 522 to rotate, so that the ball nut 521 moves vertically along the ball screw 522 sliding; the bottom plate 51 is also provided with two linear guide rails 55 extending in the vertical direction, and the two linear guide rails 55 are located on both sides of the ball screw nut pair 52 in the lateral direction. The linear guide rails 55 A square ball linear guide is preferred, and the slide rail of the linear guide 55 is fixed on the bottom plate 51, and the balls of the linear guide 55 are fixedly connected with a sliding seat 56, and the sliding seat 56 is also matched with the The ball nut 521 is fixedly connected. In practice, the sliding seat 56 is movably mounted on the ball screw 522, and the sliding seat 56 is placed on the mounting hole for accommodating the ball nut 521. The ball nut 521 Installed in the installation hole and matched with the ball screw 522, the driving device 54 drives the ball screw 522 to rotate, so that the ball nut 521 slides and matches along the ball screw 522 to drive the The sliding seat 56 moves vertically along the two linear guide rails 55; the sliding seat 56 of each lifting assembly 5 is also connected with the movable pallet 6, and the two sliding seats 56 move vertically synchronously to drive the The movable pallet 6 lifts vertically, matching the vertical movement of the upper clamp assembly 8 relative to the lower clamp assembly 4 to pull the nylon. It should be noted that, in this embodiment, the two side arms 31 of the gantry 3 extend into the casing of the chassis 2/into the groove formed on the chassis 2, so that the lifting The driving device 54 of the component 5 and the synchronous belt transmission pair 53 are located in the box body/groove of the chassis 2, so that the equipment is beautiful, and the cover of the driving device 54 is also provided on the panel of the chassis 2.

In this embodiment, referring to the accompanying drawing 1, the upper clamp assembly 8 includes a first clamp body 81 and a first clamp head 82, and the first clamp body 81 is screwed to the connecting seat 7 through a bolt 83, so that The first chuck 82 is installed at the bottom of the first clamp body 81 and is screwed to the first clamp body 81, and the bottom of the first clamp 82 is also opened for the nylon to be tested to extend into and Clamp the nylon to be tested to the first jaw 821 of the buckle; and the lower clamp assembly 4 includes a support seat 41, a second clamp body 42 and a second chuck 43 arranged sequentially from bottom to top; the support seat 41 is fixedly installed on the chassis 2, and is located between the two side arms 31 of the gantry 3; the second clamp body 42 is fixed on the top of the support seat 41, and the second The chuck 43 is fixed on the top of the second fixture body 42, and the top of the second chuck 43 is also formed with a second jaw 431 for the nylon to be tested to be inserted and clamped to fix the nylon to be tested.

The nylon tensile testing machine of this embodiment adopts the ball screw nut pair 52 for lifting transmission and provides power for tensile testing. During the working process of the tensile testing machine, the operation noise is small, the speed is controllable, the output is stable, and the testing efficiency is high; The precise tension test sensor 9 tests the magnitude of the tension applied to the nylon, and has high test precision and good use effect.

The above does not limit the technical scope of the present utility model in any way, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model still belong to the scope of the technical solution of the present utility model.

Claims (9)

1. a kind of nylon measurer for pulling force, it is characterised in that:Including test cabinet, the test cabinet includes pedestal, on the pedestal Fixed cabinet, is installed on a portal frame on the cabinet, is installed between the two side arms of the portal frame on the cabinet Clamp assembly, lifting assembly is set in the two side arms of the portal frame, and two lifting assemblies are installed in two side arms with activity Between activity pallet connect and the activity pallet can be driven vertically movable;The bottom of the activity pallet sets connecting seat, institute It states connecting seat bottom and installs upper fixture component, and the upper fixture component matches face with the lower clamp assembly in position, A tensile test sensor is also installed on the connecting seat;During test, the lower clamp assembly and upper fixture component press from both sides respectively The both ends of fixed nylon to be measured are held, the upper fixture component is driven and the vertically movable and matching lower folder by the activity pallet Tool component pulls nylon to be measured, and coordinates the tensile test sensor and complete nylon tensile test.

2. a kind of nylon measurer for pulling force according to claim 1, it is characterised in that:Each lifting assembly includes Bottom plate, sets vertically extending ballscrew nut fitting on the bottom plate, the ballscrew nut fitting include ball nut and Ball screw, the ball nut are set on the ball screw, and the ball screw is vertical by being installed in the bottom plate The two bearings seat carrying installation at direction both ends, and described ball screw one end is driven by the way that toothed belt transmission is secondary with a driving device Connection, the driving device are driven the ball screw and rotate, and the ball nut is made to be slid vertically along the ball screw;Institute It states and two line slideways extended in the vertical direction is additionally provided on bottom plate, two line slideways are located at the ball wire in position The both sides of stem nut pair horizontal direction install a slide, the slide and the matched ball spiral shell on two line slideways Female affixed, the ball nut drives the slide vertically to be moved along two line slideways along the ball screw shiding matching It is dynamic;The slide of each lifting assembly is also connected with the activity pallet, and two slides are synchronously vertically movable and drive The activity pallet vertical lifting.

3. a kind of nylon measurer for pulling force according to claim 2, it is characterised in that:The line slideway is square ball Line slideway.

4. a kind of nylon measurer for pulling force according to claim 2, it is characterised in that:The driving device is driving electricity Machine.

5. a kind of nylon measurer for pulling force according to claim 4, it is characterised in that:The toothed belt transmission is secondary to include peace The driving wheel that is located in the rotation axis of the driving device is installed in the driven wheel of described ball screw one end and is set in institute It states on driving wheel and driven wheel and the synchronous belt of the be sequentially connected driving wheel and driven wheel.

6. a kind of nylon measurer for pulling force according to claim 1, it is characterised in that:The upper fixture component includes first Chuck body and the first collet, first chuck body are spirally connected by bolt and the connecting seat, and first collet is installed It is spirally connected in the first chuck body bottom and with first chuck body, the bottom of first collet, which is also opened, to be formed with for treating Survey the first clamping opening that nylon stretches into and clamped lock.

7. a kind of nylon measurer for pulling force according to claim 1, it is characterised in that:The lower clamp assembly is included under Support base, the second chuck body and the second collet set gradually on and;The support base is fixedly mounted on the cabinet, and In position between the two side arms of the portal frame;Second chuck body is installed in the top of the support base, institute The top that the second collet is installed in second chuck body is stated, the top of second collet also opens to be formed with stretches for nylon to be measured Enter and grip the second clamping opening of nylon to be measured.

8. a kind of nylon measurer for pulling force according to claim 1-7 any one, it is characterised in that:In the test cabinet It is additionally provided with switch control panel and control assembly；The switch control panel is installed on the cabinet, and the control assembly is installed in In the cabinet, the control assembly electrical connection is described to be switched control panel, lifting assembly and tensile test sensor and controls The test cabinet work.

9. a kind of nylon measurer for pulling force according to claim 8, it is characterised in that:Power control cabinet is further included, it is described automatically controlled Industrial PC and display screen are set on cabinet, the industrial PC is electrically connected the display screen and the control assembly;Wherein, it is described Industrial PC makes the control assembly respond matched nylon tensile test operation and/or output nylon for input control instruction Tensile test data to the display screen is shown.