Flexible soft head performance testing device

Abstract

The utility model discloses a flexible soft head performance testing device. The device comprises a lead screw transmission mechanism, a clamping induction mechanism and a supporting frame, the lead screw transmission mechanism is connected with an electric lead screw through a servo motor, the electric lead screw is connected with an electric lead screw nut, the electric lead screw nut is fixedly connected with a movable plate, and the electric lead screw rotates and is converted into lifting motion of the movable plate through the electric lead screw nut; the bottom end of the movable plate is connected with an upper clamping jaw, a pressing head and an ejector pin, the clamping sensing mechanism comprises a base, a sliding block is arranged in the base, a pressure sensor and a lower clamping jaw are installed on the sliding block, and the sliding block is connected with a hand-cranking lead screw and is adjusted through a hand wheel at one end of the base. According to the utility model, tension detection and pressure detection are integrated, detection is fast, and measurement is accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of flexible soft head testing, in particular to a flexible soft head performance testing device. Background Art

[0002] Fluororubber is a material with excellent physical and mechanical properties among rubber elastomers. After the finished product is produced, the fluororubber soft head needs to be tested to determine its mechanical properties. The fluororubber soft head needs to be tested for both tension and pressure, and the change in the test force needs to be accurate to five decimal places, and a magnifying glass is used to observe whether it is torn. The disadvantages of existing testing methods are that the fluororubber soft head needs to be placed on a tension testing device and a pressure testing device for separate performance tests, which is a cumbersome process, and the repeated fixation and installation of the fluororubber soft head is likely to affect its performance test results. Utility Model Content

[0003] The utility model aims to provide a flexible soft head performance testing device with fast and convenient conversion of tension and pressure performance detection and accurate measurement in view of the deficiencies in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a flexible soft head performance testing device, including a screw transmission mechanism, a clamping sensing mechanism and a supporting frame;

[0005] The support frame comprises a horizontally placed middle support plate, a through hole is opened in the center of the middle support plate, the middle support plate is downwardly fixedly connected to a horizontally placed bottom support plate through a vertically arranged support profile, the middle support plate is upwardly fixedly connected to a horizontally placed top support plate through a vertically arranged guide column, and the top support plate is upwardly fixedly connected to a horizontally placed motor mounting plate through a vertically arranged motor support column;

[0006] The camshaft is an axially movable member connected to the guide rail through a vertical camshaft, and the camshaft is connected to the guide rail via a vertical camshaft.

[0007] The clamping sensing mechanism includes a U-shaped hand-cranked screw fixing base, a slider is provided inside the hand-cranked screw fixing base, a hand-cranked screw and a guide rod are passed through the slider, two sections of the hand-cranked screw and the guide rod are fixedly connected to the two ends of the hand-cranked screw fixing base, a lower clamping jaw mounting plate is provided on the top of the slider, a lower clamping jaw mounting plate is upwardly mounted with a lower clamping jaw, and a pressure sensor is provided between the lower clamping jaw and the lower clamping jaw mounting plate.

[0008] Preferably, the servo motor is fixedly connected to a motor mounting plate.

[0009] Preferably, a right-angle bend is fixedly connected to one side of the top support plate, one end of the right-angle bend is fixedly connected to the top support plate, the other end of the right-angle bend is vertically downward and has a vertical limit groove, a limit sheet metal corresponding to the limit groove is fixedly connected to the movable plate, one end of the limit sheet metal is fixedly connected to the movable plate, and the other end of the limit plate passes horizontally through the limit groove.

[0010] Preferably, the electric screw is penetrated by a fixed upper plate and a fixed lower plate, the fixed upper plate is fixedly connected to the top support plate, and the fixed lower plate is fixedly connected to the electric screw mounting plate.

[0011] Preferably, a first adjusting screw is provided on the side of the upper clamping jaw, and a second adjusting screw is provided on the side of the lower clamping jaw.

[0012] Preferably, a hand wheel corresponding to the hand screw is provided on the side of the hand screw fixing seat.

[0013] Preferably, the servo motor and the pressure sensor are both connected to a PLC control device.

[0014] Preferably, the ejector pin and the pressure head are located at the bottom of the upper fixture mounting plate and are arranged parallel to the upper clamping jaw.

[0015] Preferably, the middle support plate is provided with a visualization box upward for sealing, the visualization box is provided with a plurality of openable and closable observation doors, and the lower end of the bottom support plate is provided with a height-adjustable support foot.

[0016] Compared with the prior art, the utility model has the following advantages: the base and the slider are fixed by a hand-cranked screw rod, so that the lower clamping jaw and the pressure sensor can be quickly moved. While moving, the lower clamping jaw keeps clamping the fluororubber soft head to be tested, so that the tension performance test and the pressure performance test can be quickly switched, the detection efficiency is improved, the detection process is simplified, and the manual measurement error caused by repeated clamping is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the internal structure of the utility model.

[0018] Figure 2 It is a schematic diagram of the external structure of the utility model.

[0019] Among them, 11-middle support plate, 110-through hole, 12-support profile, 13-bottom support plate, 14-guide column, 15-top support plate, 16-motor support column, 17-motor mounting plate, 21-electric screw, 22-coupling, 23-servo motor, 24-electric screw nut, 25-moving plate, 26-guide sleeve, 27-mounting seat, 28-electric screw mounting plate, 29-electric screw mounting column, 30-upper fixture mounting column, 31-upper fixture mounting plate, 32-upper clamp, 33-thrust pin, 34-pressure head, 35-first adjusting screw, 36-upper fixture support column, 37-fixed upper plate, 38-fixed lower plate, 39-right angle bend, 40-limiting sheet metal, 41-limiting groove, 42-lower clamp, 43-pressure sensor, 44-lower clamp mounting plate, 45-second adjusting screw, 46-guide rod, 47-hand screw fixing base, 48-slider, 49-hand screw, 50-handwheel, 51-visualization box, 52-observation door, 53-height adjustment support foot. DETAILED DESCRIPTION

[0020] The present invention is further explained below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that these implementation methods are only used to illustrate the present invention and are not used to limit the scope of the present invention. After reading the present invention, various equivalent forms of modifications to the present invention by those skilled in the art all fall within the scope defined by the claims attached to this application.

[0021] like Figure 1 to Figure 2 A flexible soft head performance testing device shown includes a screw transmission mechanism, a clamping sensing mechanism and a supporting frame;

[0022] The support frame includes a horizontally placed middle support plate 11, a through hole 110 is opened at the center of the middle support plate 11, the middle support plate 11 is downwardly bolted to a horizontally placed bottom support plate 13 through a vertically arranged support profile 12, the middle support plate 11 is upwardly bolted to a horizontally placed top support plate 15 through a vertically arranged guide column 14, the top support plate 15 is upwardly bolted to a horizontally placed motor mounting plate 17 through a vertically arranged motor support column 16, the servo motor 23 is bolted to the motor mounting plate 17, a visualization box 51 is upwardly provided on the middle support plate 11 for sealing, a plurality of openable and closable observation doors 52 are provided on the visualization box 51, and a height-adjustable support foot 53 is provided at the lower end of the bottom support plate 13;

[0023] The screw transmission mechanism includes a vertically arranged electric screw 21, the upper top of the electric screw 21 is connected to a servo motor 23 through a coupling 22, an electric screw nut 24 is arranged in the middle of the electric screw 21, the electric screw nut 24 is passed through and bolted in a horizontally arranged moving plate 25, the moving plate 25 is located between the top support plate 15 and the middle support plate 11 and is passed through a guide sleeve 26 corresponding to the guide column 14 to realize the sliding connection of the moving plate 25, a horizontally placed mounting seat 27 is arranged between the moving plate 25 and the middle support plate 11, the mounting seat 27 is bolted to the moving plate 25 through a vertically arranged upper clamp support column 26, an electric screw mounting plate 28 is arranged between the mounting seat 27 and the moving plate 25, the electric screw mounting plate 28 is bolted to the bottom of the electric screw 21, the electric screw 21 is passed through a fixed upper plate 37 and a fixed lower plate 38, the fixed upper plate 37 is bolted to the top support plate 15, and the fixed lower plate 38 is bolted to the electric screw The movable screw mounting plate 28 is bolted to the top support plate 15 through a vertically arranged electric screw mounting column 29. The movable plate 25 is provided with a hole corresponding to the electric screw mounting column 29. The mounting seat 27 is vertically bolted downwardly to an upper fixture mounting column 30. The upper fixture mounting column 30 is vertically downwardly mounted with an upper fixture mounting plate 31. The upper fixture mounting plate 31 is vertically downwardly mounted with an upper clamping claw 32, an ejector pin 33 and a pressure head 34. The ejector pin 33 and the pressure head 34 are vertically mounted downwardly. The head 34 is located at the bottom of the upper clamp mounting plate 31 and is arranged parallel to the upper clamping jaw 32. One side of the top support plate 15 is bolted with a right-angle bend 39, one end of the right-angle bend 39 is bolted to the top support plate 15, and the other end of the right-angle bend 39 is vertically downward and has a vertical limit groove 41. The movable plate 25 is bolted with a limit sheet metal 40 corresponding to the limit groove 41, one end of the limit sheet metal is bolted to the movable plate 25, and the other end of the limit plate horizontally passes through the limit groove 41.

[0024] The movable plate 25, the upper clamp support column 26, the mounting seat 27, the upper clamp mounting column 30, the upper clamp mounting plate 31 and the upper clamp 32 realize synchronous lifting movement under the action of the electric screw 21, and the lifting movement of the upper clamp is precisely controlled by the servo motor 23 cooperating with the movement of the electric screw 21.

[0025] The clamping sensing mechanism includes a U-shaped hand-cranked screw fixing base 47, a slider 48 is provided inside the hand-cranked screw fixing base 47, a hand-cranked screw 49 and a guide rod 46 are passed through the slider 48, two sections of bolts of the hand-cranked screw 49 and the guide rod 46 are connected at both ends of the hand-cranked screw fixing base 47, a hand wheel 50 corresponding to the hand-cranked screw 49 is passed through the side of the hand-cranked screw 49 fixing seat, a lower clamping jaw mounting plate 44 is provided at the top of the slider 48, a lower clamping jaw 42 is installed upward on the lower clamping jaw mounting plate 44, a pressure sensor 43 is provided between the lower clamping jaw 42 and the lower clamping jaw mounting plate 44, a first adjusting screw 35 is provided on the side of the upper clamping jaw 32, a second adjusting screw 45 is provided on the side of the lower clamping jaw 42, and the servo motor 23 and the pressure sensor are both connected to a PLC control device.

[0026] Since the lower clamping jaw 42 is installed on the slider 48, and a pressure sensor 43 is provided between the slider 48 and the lower clamping jaw 42, after the tensile performance test of the fluororubber soft head is completed, the slider 48 is moved to the correspondence between the fluororubber soft head clamped by the lower clamping jaw 42 and the pressure head 34 by rotating the hand wheel 50, and the next step of pressure performance test can be directly carried out without disassembling the fluororubber soft head.

[0027] Working principle: First, regarding the tensile performance test of the fluororubber soft head, turn the hand wheel 50 to make the positions of the upper clamping jaw 32 and the lower clamping jaw 42 correspond, adjust the first adjusting screw 35 and the second adjusting screw 45 respectively, install the fluororubber soft head between the upper clamping jaw 32 and the lower clamping jaw 42, ensure that the installation is completed, start the servo motor 23 according to the set value in the PLC control device, the servo motor 23 drives the electric screw 21 to rotate through the coupling 22, the electric screw 21 rotates and cooperates with the electric screw nut 24 to realize the upward movement of the moving plate 25, and the upward movement of the moving plate 25 drives the upward movement of the upper clamping jaw 32. In this process, observe whether the fluororubber soft head is torn and record the tensile force at that time;

[0028] After completing the tensile performance test, adjust the first adjusting screw 35, loosen the upper clamping jaw 32, rotate the hand wheel 50, move the lower clamping jaw 42 and the fluororubber soft head it clamps to the bottom of the pressure head 34, adjust the ejector pin 33 to fix the fluororubber soft head, set the pressure to be applied, start the servo motor 23 to realize the descending movement of the movable plate 25, and the descending movement of the movable plate 25 drives the descending movement of the pressure head 34. When the pressure sensor reaches the set pressure value, stop the servo motor 23, operate and loosen the fluororubber soft head, and measure and observe the deformation of the fluororubber soft head.

[0029] The above description shows and describes the preferred embodiments of the utility model. As mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A flexible soft head performance testing device, characterized in that: It includes a screw transmission mechanism, a clamping sensing mechanism and a supporting frame; The support frame comprises a horizontally placed middle support plate, a through hole is opened in the center of the middle support plate, the middle support plate is downwardly fixedly connected to a horizontally placed bottom support plate through a vertically arranged support profile, the middle support plate is upwardly fixedly connected to a horizontally placed top support plate through a vertically arranged guide column, and the top support plate is upwardly fixedly connected to a horizontally placed motor mounting plate through a vertically arranged motor support column; The top of the electric screw rod is fixedly connected to the servo motor through a coupling, and the middle of the electric screw rod is provided with an electric screw nut, and the electric screw nut is passed through and fixedly connected to the horizontally arranged movable plate, and the movable plate is located between the top support plate and the middle support plate, and a guide sleeve corresponding to the guide column is passed through to realize the sliding connection of the movable plate. A horizontally placed mounting seat is provided between the movable plate and the middle support plate, and the mounting seat is fixedly connected to the movable plate through a vertically arranged upper clamp support column, and an electric screw mounting plate is provided between the mounting seat and the movable plate, and the electric screw mounting plate is fixedly connected to the top support plate through a vertically arranged electric screw mounting column, and the movable plate is provided with a hole corresponding to the electric screw mounting column, and the mounting seat is fixedly connected to the upper clamp mounting column vertically downward, and the upper clamp mounting column is vertically downwardly installed with the upper clamp mounting plate, and the upper clamp mounting plate is vertically downwardly installed with an upper clamp claw, an ejector pin and a pressing head; The clamping sensing mechanism includes a U-shaped hand-cranked screw fixing base, a slider is provided inside the hand-cranked screw fixing base, a hand-cranked screw and a guide rod are passed through the slider, two sections of the hand-cranked screw and the guide rod are fixedly connected to the two ends of the hand-cranked screw fixing base, a lower clamping jaw mounting plate is provided on the top of the slider, a lower clamping jaw mounting plate is upwardly mounted with a lower clamping jaw, and a pressure sensor is provided between the lower clamping jaw and the lower clamping jaw mounting plate.

2. A flexible soft head performance testing device according to claim 1, characterized in that: The servo motor is fixedly connected to the motor mounting plate.

3. A flexible soft head performance testing device according to claim 1, characterized in that: A right-angle bend is fixedly connected to one side of the top support plate, one end of the right-angle bend is fixedly connected to the top support plate, the other end of the right-angle bend is vertically downward and has a vertical limit groove, a limit sheet metal corresponding to the limit groove is fixedly connected to the movable plate, one end of the limit sheet metal is fixedly connected to the movable plate, and the other end of the limit plate passes horizontally through the limit groove.

4. A flexible soft head performance testing device according to claim 1, characterized in that: The electric screw rod is penetrated by a fixed upper plate and a fixed lower plate, the fixed upper plate is fixedly connected to the top support plate, and the fixed lower plate is fixedly connected to the electric screw rod mounting plate.

5. A flexible soft head performance testing device according to claim 1, characterized in that: A first adjusting screw is arranged on the side surface of the upper clamping jaw, and a second adjusting screw is arranged on the side surface of the lower clamping jaw.

6. A flexible soft head performance testing device according to claim 1, characterized in that: A hand wheel corresponding to the hand screw is provided on the side surface of the hand screw fixing seat.

7. A flexible soft head performance testing device according to claim 1, characterized in that: The servo motor and the pressure sensor are both connected to a PLC control device.

8. A flexible soft head performance testing device according to claim 1, characterized in that: The ejector pin and the pressure head are located at the bottom of the upper fixture mounting plate and are arranged parallel to the upper clamping jaw.

9. A flexible soft head performance testing device according to claim 1, characterized in that: The middle support plate is provided with a visualization box body upward for sealing, the visualization box body is provided with a plurality of openable and closable observation doors, and the lower end of the bottom support plate is provided with a height-adjusting support foot.

Images