CN210923272U

CN210923272U - Sponge indentation hardness tester

Info

Publication number: CN210923272U
Application number: CN201921926472.4U
Authority: CN
Inventors: 赵辉
Original assignee: Quanzhou Delandis Home Technology Co ltd
Current assignee: Quanzhou Delandis Home Technology Co ltd
Priority date: 2019-11-09
Filing date: 2019-11-09
Publication date: 2020-07-03
Anticipated expiration: 2029-11-09

Abstract

The utility model relates to a sponge hardness tester that sinks, including the detection achievement platform that cavity set up, place the sample that awaits measuring on the detection achievement platform, vertical setting and fixed connection in the perpendicular roof beam of the up end of detection achievement platform, fixed connection in the crossbeam of the up end of erecting the roof beam, transversely set up and follow vertical sliding connection in the slide beam of erecting the roof beam, drive the first drive assembly that the slide beam slided and slide along slide beam length direction and slide and connect in the slide beam and carry out the clamp plate that sinks to the sample, the detection achievement platform is provided with the fixed stop device of sample that will await measuring, has the advantage that improves the accuracy of test sample hardness.

Description

Sponge indentation hardness tester

Technical Field

The utility model relates to a hardness testing technical field especially relates to a sponge is pressed and is caved in hardness tester.

Background

A sponge indentation hardness tester is an instrument for detecting items such as metal, nonmetal and the like. The sponge indentation hardness tester is also called as a foam indentation hardness tester, can detect items such as stretching, compression, bending, low cycle fatigue and the like of metal, nonmetal, high polymer materials and the like, can be compiled according to standards such as GB, ISO, ASTM, JIS, EN and the like according to the requirements of customer products, and can automatically obtain parameters such as maximum test force, breaking force, yield force, tensile strength, compressive strength, bending strength, elastic modulus, elongation, fixed elongation stress, fixed stress elongation and the like.

The existing sponge indentation hardness tester directly places a sample to be tested on a detection workbench, drives a pressure plate to press the sample downwards through a driving device, and the sample can deviate due to mechanical vibration of equipment in the indentation process, so that the accuracy of the hardness of the test sample can not be ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sponge indentation hardness tester has the advantage that improves the accuracy of test sample hardness.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a sponge hardness test appearance that collapses, includes the detection achievement platform that cavity set up, places the sample that awaits measuring on the detection achievement platform, vertical setting and fixed connection in the perpendicular roof beam of the up end of detection achievement platform, fixed connection in the crossbeam of the up end of erecting the roof beam, transversely set up and along vertical sliding connection in the sliding beam of erecting the roof beam, drive the first drive assembly that the sliding beam slided and slide along sliding beam length direction and connect in the sliding beam and carry out the clamp plate that collapses to the sample, the detection achievement platform is provided with the stop device who will await measuring the sample fixed.

Through adopting above-mentioned technical scheme, when carrying out the indentation hardness test to the sample that awaits measuring, set up stop device and will place the sample that awaits measuring on the testing table and carry out spacing fixed, first drive assembly drive sliding beam slides downwards realizes that the clamp plate carries out the indentation action to the sample, under stop device's restrictive action, make the sample that awaits measuring be in the fixed state for the testing table, effectively avoid the sample that awaits measuring to lead to the experimental error because the mechanical shock of equipment takes place to slide or deflect, improve the accuracy of test sample hardness.

The utility model discloses further set up to: the sample is the cuboid, stop device including offer in the up end of detection achievement platform and along the first spout that sample diagonal direction extends, slide connect in first spout and conflict in the lateral wall of sample with the limiting plate of fixed sample and the second drive assembly that the drive limiting plate slided, the limiting plate is provided with two and is located two summits points department of the diagonal of sample respectively, and two limiting plates of second drive assembly control are towards being close to simultaneously or keeping away from the sample direction and slide.

Through adopting above-mentioned technical scheme, the activity of second drive assembly control regulation limiting plate is contradicted in the lateral wall of sample, and two limiting plates are located the summit department of the diagonal of sample and press from both sides tight fixedly to the sample lateral wall, realize the location.

The utility model discloses further set up to: the limiting plate comprises a first plate and a second plate, the first plate and the second plate are arranged in a transverse line mode, the second plate is fixedly connected to the first plate, and the first plate and the second plate respectively abut against the side face, located in the length direction, of the sample and the side face, located in the width direction, of the sample.

Through adopting above-mentioned technical scheme, two mutually perpendicular's first slab, second slab contradict respectively in the sample and lie in length direction's side and the sample lies in width direction's side, realize the function of restriction sample for the sliding of testing workbench.

The utility model discloses further set up to: the utility model discloses a spacing chamber of workstation, including the workstation, the workstation is provided with the baffle that divide into spacing chamber and transmission chamber with the workstation inner chamber, first spout runs through in the up end of workstation and communicates in the logical groove in spacing chamber, second drive assembly is including sliding and wearing to locate first spout and one end difference fixed connection in the rack of spacing chamber in the other end of connecting piece and place spacing chamber in the other end of connecting piece, fixed connection in the rack of the other end of connecting piece in and drive gear pivoted second driving motor, place spacing chamber and output shaft and the coaxial fixed connection of drive gear in the second driving motor, and the both sides that two racks are located first spout respectively and the flank of tooth of two racks set up relatively.

By adopting the technical scheme, the inner cavity of the detection workbench is divided into two independent cavities by the partition plate, and the second driving motor, the rack and the transmission gear are arranged in the limiting cavity, so that the space utilization rate is improved, the second driving motor rotates to drive the transmission gear to rotate, and the rack moves along with the second driving motor; when the transmission gear rotates forwards, the rack is driven to slide, so that the limiting plate is driven to slide towards the direction close to the sample to realize fixation; when the transmission gear rotates reversely, the rack is driven to slide, so that the limiting plate is driven to slide towards the direction away from the sample to realize loosening, the samples with different sizes are conveniently fixed, and the universality of the equipment is improved.

The utility model discloses further set up to: the vertical beam is provided with two central lines which are symmetrically distributed along the length direction of the detection workbench, the first driving assembly comprises two precise rolling screws which are respectively penetrated and arranged on the vertical beam and are internally provided with the detection workbench, a first bevel gear which is coaxially fixedly sleeved on the lower part of the precise rolling screw, a second bevel gear which is meshed with the first bevel gear and is arranged in the transmission cavity, a transmission rod which is transversely arranged and is coaxially and fixedly connected with the second bevel gear, a first gear which is coaxially fixedly sleeved on the transmission rod, a second gear which is meshed with the first gear and is arranged below the first gear and a first driving motor which is fixedly connected with an output shaft on the second gear, the transmission cavity is arranged in the first driving motor, and the two ends of the sliding beam are respectively in threaded connection with the two precise rolling screws.

By adopting the technical scheme, the first driving motor stably and accurately transmits power to the precise rolling screw through the gear assembly, the transmission rod and the bevel gear set, the precise rolling screw is driven to rotate to realize the lifting of the sliding beam, and the gear assembly, the bevel gear set, the transmission rod and the first driving motor are all arranged in the detection workbench, so that the space utilization rate is improved.

The utility model discloses further set up to: the lower terminal surface of sliding beam is equipped with along the second spout that sliding beam length direction extends, slide connect in the smooth protruding, fixed connection in smooth protruding dead lever of second spout and the adjusting part who adjusts smooth protruding and slide, the lower terminal surface fixed connection of dead lever is in the up end of clamp plate.

Through adopting above-mentioned technical scheme, the relative position of smooth protruding and slip roof beam of adjusting part control regulation to the relative position of regulation clamp plate and sample makes things convenient for the clamp plate to test the different positions of same sample, effectively reduces experimental error, further improves the accuracy.

The utility model discloses further set up to: the adjusting part including the protrusion set up in second spout roof and edge the cingulum that second spout length direction extends, slide and wear to locate slide protruding gag lever post, be fixed in the joint of gag lever post tip and force connect with the compression spring of the tooth's socket scarf joint of cingulum, the cingulum passes and slides protruding, compression spring's one end is fixed in slide protruding, the other end is fixed or the butt in connect.

Through adopting above-mentioned technical scheme, when adjusting the relative position of smooth protruding and slip roof beam, exert certain power to smooth protruding, force to connect and receive extrusion compression spring, connect and break away from in the tooth's socket, when connecting the tooth's socket that slides to the cingulum, compression spring forces the joint of gag lever post to scarf joint in the tooth's socket, realizes the location, and is convenient quick.

The utility model discloses further set up to: and adjusting rods are arranged on the two side walls of the sliding protrusion in a protruding mode along the longitudinal direction.

Through adopting above-mentioned technical scheme, make things convenient for the operator to carry out position control to smooth protruding.

To sum up, the utility model discloses following beneficial effect has:

1. set up stop device and will place the sample that awaits measuring on the testing workbench and carry out spacing fixed, first drive assembly drive sliding beam slides downwards and realizes that the clamp plate carries out the indentation action to the sample, under stop device's limiting action, makes the sample that awaits measuring be in fixed state for the testing workbench, effectively avoids the sample that awaits measuring to slide or deflect and lead to experimental error because the mechanical shock of equipment takes place, improves the accuracy of test sample hardness.

2. The inner cavity of the detection workbench is divided into two independent cavities by the partition plate, and a second driving motor, a rack and a transmission gear which are arranged in the limiting cavity are arranged in the detection workbench, so that the space utilization rate is improved, the second driving motor rotates to drive the transmission gear to rotate, and the rack moves along with the second driving motor; when the transmission gear rotates forwards, the rack is driven to slide, so that the limiting plate is driven to slide towards the direction close to the sample to realize fixation; when the transmission gear rotates reversely, the rack is driven to slide, so that the limiting plate is driven to slide towards the direction away from the sample to realize loosening, the samples with different sizes are conveniently fixed, and the universality of the equipment is improved.

3. The relative position of smooth protruding and slip roof beam of adjusting part control regulation to the relative position of adjusting the clamp plate and sample makes things convenient for the clamp plate to test the different positions of same sample, effectively reduces experimental error, further improves the accuracy.

Drawings

FIG. 1 is a schematic view showing the overall structure of a sponge indentation hardness tester according to an embodiment;

FIG. 2 is a schematic view of the internal structure of the inspection stage of the embodiment;

FIG. 3 is a schematic structural view of a sliding beam and adjustment assembly of an embodiment;

fig. 4 is an enlarged partial schematic view at a of fig. 3.

In the figure, 1, a detection workbench; 11. a limiting cavity; 12. a transmission cavity; 13. a partition plate; 2. a sample; 3. erecting a beam; 4. a cross beam; 5. a sliding beam; 52. a second chute; 53. sliding and protruding; 54. a force value sensor; 55. fixing the rod; 6. a first drive assembly; 61. a precision rolling lead screw; 62. a first bevel gear; 63. a second bevel gear; 64. a transmission rod; 65. a first gear; 66. a second gear; 67. a first drive motor; 7. pressing a plate; 8. a limiting device; 81. a first chute; 82. a limiting plate; 821. a first sheet; 822. a second sheet; 83. a second drive assembly; 831. a slide bar; 832. a connecting member; 833. a rack; 834. a transmission gear; 835. a second drive motor; 9. an adjustment assembly; 91. a toothed belt; 92. a limiting rod; 93. a joint; 94. a compression spring; 95. and adjusting the rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): the utility model provides a sponge indentation hardness tester, as shown in fig. 1, fig. 2, detection workstation 1 including cavity setting, place the cuboid sample 2 that awaits measuring on detection workstation 1, vertical setting and fixed connection are in the perpendicular roof beam 3 of the up end of detection workstation 1, fixed connection is in the crossbeam 4 of the up end of perpendicular roof beam 3, transversely set up and along vertical sliding connection in the sliding beam 5 of perpendicular roof beam 3, drive sliding beam 5 first drive assembly 6 that slides and along sliding beam 5 length direction slide connect in sliding beam 5 and carry out the clamp plate 7 that sinks to sample 2. The vertical beams 3 are arranged in two and are symmetrically distributed along the central line of the length direction of the detection workbench 1, and the sliding beam 5 is positioned between the two vertical beams 3.

The detection workbench 1 is transversely provided with a partition plate 13 which divides the inner cavity of the workbench into a limiting cavity 11 and a transmission cavity 12 and a limiting device 8 which fixes the sample 2 to be tested. Stop device 8 including offer in the up end of testing table 1 and along sample 2 diagonal direction extend first spout 81, slide connect in first spout 81 and conflict in sample 2's lateral wall with the second drive assembly 83 that fixed sample 2's limiting plate 82 and drive limiting plate 82 slided. First spout 81 runs through in the up end of testing workbench 1 and communicates in the logical groove in spacing chamber 11, and limiting plate 82 is provided with two and is located two summits points department of the diagonal of sample 2 respectively, and two limiting plates 82 of second drive assembly 83 control are simultaneously towards being close to or keeping away from sample 2 direction and are slided. The limiting plate 82 comprises a first plate 821 arranged in a transverse line and a second plate 822 arranged in a longitudinal direction and fixedly connected to the first plate 821, wherein the first plate 821 and the second plate 822 respectively abut against the side face of the sample 2 in the length direction and the side face of the sample 2 in the width direction.

The second driving assembly 83 includes two sliding rods 831 slidably passing through the first sliding chute 81 and having one ends respectively fixedly connected to the two limiting plates 82, a connecting member 832 having one end fixedly connected to the other end of the sliding rod 831, a rack 833 fixedly connected to the other end of the connecting member 832 and disposed in the limiting cavity 11, a transmission gear 834 engaged with the rack 833 and located between the two racks 833, and a second driving motor 835 driving the transmission gear 834 to rotate. The slide bar 831 and the first chute 81 are arranged in a rotation stopping manner, the second driving motor 835 is arranged in the limiting cavity 11, an output shaft is coaxially and fixedly connected with the transmission gear 834, the two racks 833 are respectively positioned on two sides of the first chute 81, and tooth surfaces of the two racks 833 are arranged oppositely.

The first driving assembly 6 comprises two precise rolling screws 61 respectively penetrating the two vertical beams 3 and internally provided with the detection workbench 1, a first bevel gear 62 coaxially fixedly sleeved at the lower part of the precise rolling screw 61, a second bevel gear 63 meshed with the first bevel gear 62 and internally arranged in the transmission cavity 12, a transmission rod 64 transversely arranged and coaxially and fixedly connected to the second bevel gear 63, a first gear 65 coaxially fixedly sleeved and connected to the transmission rod 64, a second gear 66 meshed with the first gear 65 and positioned below the first gear 65, and a first driving motor 67 with an output shaft fixedly connected to the second gear 66. The first drive motor 67 is built into the transmission chamber 12.

As shown in fig. 3 and 4, two ends of the sliding beam 5 are respectively connected to two precision rolling screws 61 through threads, and the lower end surface of the sliding beam 5 is provided with a second sliding groove 52 extending along the length direction of the sliding beam 5, a sliding protrusion 53 slidably connected to the second sliding groove 52, a fixing rod 55 fixedly connected to the lower end surface of the sliding protrusion 53, and an adjusting assembly 9 for adjusting the sliding of the sliding protrusion 53. A force value sensor 54 is connected between the sliding protrusion 53 and the fixing rod 55, the lower end face of the fixing rod 55 is fixedly connected to the upper end face of the pressing plate 7, and the adjusting assembly 9 comprises a toothed belt 91 which is convexly arranged on the top wall of the second sliding groove 52 and extends along the length direction of the second sliding groove 52, a limiting rod 92 which is slidably arranged on the sliding protrusion 53, a joint 93 which is fixed at the end part of the limiting rod 92, and a compression spring 94 which forces the joint 93 to be embedded in the tooth groove of the toothed belt 91. The toothed belt 91 passes through the sliding projection 53, and the compression spring 94 has one end fixed to the sliding projection 53 and the other end fixed to or abutted against the joint 93. Both side walls of the sliding protrusion 53 are provided with adjustment rods 95 (shown in fig. 1) protruding in the longitudinal direction.

The working principle is as follows:

when a sample 2 to be tested is subjected to indentation hardness test, the second driving motor 835 rotates to drive the transmission gear 834 to rotate, and the rack 833 moves along with the rotation; the transmission gear 834 rotates positively to drive the rack 833 to slide, so as to drive the limiting plate 82 to slide towards the direction close to the sample 2 to realize fixation; the first driving motor 67 stably and accurately transmits power to the precision rolling screw 61 through the gear assembly, the transmission rod 64 and the bevel gear set, and drives the precision rolling screw 61 to rotate so as to realize the lifting of the sliding beam 5; after the test is finished, the transmission gear 834 reversely rotates to drive the rack 833 to slide, so that the limiting plate 82 is driven to slide towards the direction far away from the sample 2 to realize loosening.

Adjusting the relative position of the slide projection 53 and the slide beam 5: the adjusting rod 95 is held to apply a certain force to the sliding projection 53, the joint 93 is forced to be extruded to compress the spring 94, the joint 93 is separated from the tooth groove, when the joint 93 slides to the tooth groove of the toothed belt 91, the compression spring 94 forces the joint 93 of the limiting rod 92 to be embedded in the tooth groove, the sliding positioning of the sliding projection 53 is realized, the pressing plate 7 can conveniently test different positions of the same sample 2, the test error is effectively reduced, and the accuracy is further improved.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws within the scope of the present invention.

Claims

1. The utility model provides a sponge indentation hardness tester, characterized by: including detection achievement platform (1) that cavity set up, place in the sample (2) that awaits measuring on detection achievement platform (1), vertical setting and fixed connection in the perpendicular roof beam (3) of the up end of detection achievement platform (1), crossbeam (4) of the up end of fixed connection in perpendicular roof beam (3), transversely set up and along vertical sliding connection in the sliding beam (5) of perpendicular roof beam (3), drive first drive assembly (6) that sliding beam (5) slided and slide along sliding beam (5) length direction and connect in sliding beam (5) and carry out clamp plate (7) that sink to sample (2), detection achievement platform (1) is provided with stop device (8) fixed with sample (2) that awaits measuring.

2. The sponge indentation hardness tester of claim 1, wherein: sample (2) are the cuboid, stop device (8) including set up in the up end of detection achievement platform (1) and along sample (2) diagonal direction extend first spout (81), slide connect in first spout (81) and conflict in the lateral wall of sample (2) with the limiting plate (82) of fixed sample (2) and drive second drive assembly (83) that limiting plate (82) slided, limiting plate (82) are provided with two and are located two summits of the diagonal of sample (2) respectively, and two limiting plate (82) of second drive assembly (83) control are simultaneously towards being close to or keeping away from sample (2) direction and slide.

3. The sponge indentation hardness tester of claim 2, wherein: the limiting plate (82) comprises a first plate (821) and a second plate (822), wherein the first plate (821) is transversely arranged, the second plate (822) is longitudinally arranged and fixedly connected to the first plate (821), and the first plate (821) and the second plate (822) respectively abut against the side face, located in the length direction, of the sample (2) and the side face, located in the width direction, of the sample (2).

4. The sponge indentation hardness tester of claim 3, wherein: the detection workbench (1) is transversely provided with a clapboard (13) which divides the inner cavity of the workbench into a limiting cavity (11) and a transmission cavity (12), the first chute (81) is a through groove which runs through the upper end surface of the detection workbench (1) and is communicated with the limiting cavity (11), the second driving component (83) comprises a rack (833) which is slidably arranged in the first chute (81) and one end of which is respectively fixedly connected with two sliding rods (831) of the two limiting plates (82), one end of which is fixedly connected with the other end of the sliding rods (831), a connecting piece (832) which is fixedly connected with the other end of the connecting piece (832) and is arranged in the limiting cavity (11), a transmission gear (834) which is meshed with the rack (833) and is positioned between the two racks (833) and a second driving motor (835) which drives the transmission gear (834) to rotate, the sliding rod (831) and the first chute (81) are arranged in a rotation stopping, the second driving motor is arranged in the limit cavity (11) in a built-in mode, an output shaft is coaxially and fixedly connected with the transmission gear (834), the two racks (833) are respectively located on two sides of the first sliding groove (81), and tooth surfaces of the two racks (833) are arranged oppositely.

5. The sponge indentation hardness tester of claim 4, wherein: the vertical beam (3) is provided with two precise rolling screws (61) which are respectively arranged in the two vertical beams (3) in a penetrating way and are symmetrically distributed along the central line of the length direction of the detection workbench (1), the first driving component (6) comprises two precise rolling screws (61) which are arranged in the two vertical beams (3) in a built-in way and are provided with the detection workbench (1), a first bevel gear (62) which is coaxially and fixedly sleeved at the lower part of the precise rolling screws (61), a second bevel gear (63) which is meshed with the first bevel gear (62) and is arranged in the transmission cavity (12), a transmission rod (64) which is transversely arranged and is coaxially and fixedly connected with the second bevel gear (63), a first gear (65) which is coaxially and fixedly sleeved on the transmission rod (64), a second gear (66) which is meshed with the first gear (65) and is positioned below the first gear (65), and a first driving motor (67) of which is fixedly connected with the second gear (, and two ends of the sliding beam (5) are respectively in threaded connection with the two precision rolling lead screws (61).

6. The sponge indentation hardness tester according to claim 1 or 5, wherein: the lower terminal surface of sliding beam (5) is equipped with along sliding beam (5) length direction extension second spout (52), slide connect in slide protruding (53), fixed connection in slide protruding (53) dead lever (55) of (53) and regulation slide protruding (53) adjusting part (9) that slide of second spout (52), the lower terminal surface fixed connection of dead lever (55) is in the up end of clamp plate (7).

7. The sponge indentation hardness tester of claim 6, wherein: adjusting part (9) including the protrusion set up in second spout (52) roof and edge cingulum (91) that second spout (52) length direction extends, slide and wear to locate gag lever post (92) of smooth protruding (53), be fixed in joint (93) of gag lever post (92) tip and force joint (93) with compression spring (94) of the tooth's socket scarf joint of cingulum (91), cingulum (91) pass smooth protruding (53), compression spring (94)'s one end is fixed in smooth protruding (53), the other end is fixed or butt joint in connect (93).

8. The sponge indentation hardness tester of claim 7, wherein: two side walls of the sliding protrusion (53) are provided with adjusting rods (95) in a protruding mode along the longitudinal direction.