CN210639046U

CN210639046U - Sclerometer calibrating device

Info

Publication number: CN210639046U
Application number: CN201921312796.9U
Authority: CN
Inventors: 殷万国
Original assignee: Sichuan Zhongheng Measurement And Testing Technology Co Ltd
Current assignee: Sichuan Zhongheng Measurement And Testing Technology Co Ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-05-29
Anticipated expiration: 2029-08-13

Abstract

The utility model discloses a sclerometer calibrating device belongs to and measures technical field, and it includes base, fixed plate, standard component, coupon, lifter plate and is used for driving the driving piece that the lifter plate removed, and the base passes through the bracing piece with the fixed plate to be connected, lifter plate and the mutual parallel arrangement of fixed plate, and the coupon is placed on the lifter plate, and the standard component setting still is provided with the mounting that is used for the centre gripping to be surveyed on the fixed plate. Make when fixed and surveyed a test point setting with the test point of standard component at same horizontal plane, the lifter plate rises afterwards and makes the sample block and surveyed a and standard component contact, and the contrast is surveyed the reading of piece and standard component and can learn whether accurate by the data of surveying the piece this moment, and operation process is simple and convenient, and the data contrast is directly perceived, reduces the production of error.

Description

Sclerometer calibrating device

Technical Field

The utility model relates to a measure technical field, especially relate to a sclerometer calibrating device.

Background

A Shore durometer is an instrument for measuring the hardness of vulcanized rubber and plastic products. Has the characteristics of simple structure, convenient use, small size, light weight, visual reading and the like.

The hardness tester is usually calibrated before use to determine whether the reading of the hardness tester, i.e., the piece under test, is accurate. However, the existing detection method is troublesome, a balance is adopted to calibrate a detected piece, conversion is carried out through the weight of a weight, and then comparison is carried out on the data of the detected piece, so that whether the detected piece data is accurate or not is obtained, errors can occur in the conversion process, and the obtained result error is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sclerometer calibrating device has need not convert the measured value, improves the advantage of the measuring accuracy.

In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a sclerometer calibrating device, includes base, fixed plate, standard component, sample piece, lifter plate and is used for driving the driving piece that the lifter plate removed, the base passes through the bracing piece with the fixed plate and is connected, the driving piece sets up on the base, lifter plate and fixed plate parallel arrangement each other, the sample piece is placed in one side that the lifter plate is close to the fixed plate, the standard component sets up on the fixed plate, still is provided with the mounting that is used for the centre gripping to be surveyed on the fixed plate.

According to the technical scheme, the tested piece is fixed on the fixing plate through the fixing piece, the test point of the tested piece, namely the tested hardness tester, and the test point of the standard piece, namely the standard hardness tester, are arranged on the same horizontal plane during fixing, then the driving piece is used for driving the lifting plate to ascend, so that the test block is in contact with the tested piece and the standard piece, and at the moment, the data of the tested piece can be known to be accurate or not by comparing the readings of the tested piece and the standard piece, the operation process is simple and convenient, the data comparison is visual, and the generation of errors is reduced; in the calibration process, the standard part and the tested part are fixed, and the test block is moved for measurement, so that the phenomenon that the contact angle of the tested part and the test block is changed due to factors such as shaking and the like in the moving process is reduced, and the generation of errors is reduced; because of the sample block is placed on the lifting plate, the operator can replace the sample block made of different materials during calibration, multiple tests are performed for comparison, and the calibration accuracy is improved.

Further, the driving piece includes screw rod, driving gear, first driven gear and second driven gear, screw rod and second driven gear all set up to two, and second driven gear sets up on the screw rod, two the screw rod screw thread runs through the lifter plate setting, and is located the both ends of lifter plate respectively, and the both ends of two screw rods rotate with base and fixed plate respectively and are connected, first driven gear and driving gear all rotate with the base and are connected, first driven gear is connected with two second driven gear drives, the driving gear is connected with first driven gear drive, still be provided with on the terminal surface of driving gear and be used for driving gear pivoted handle.

When the technical scheme is implemented, during calibration, an operator rotates the handle to enable the driving gear to drive the first driven gear and the second driven gear to rotate, at the moment, the two screw rods synchronously rotate, and the lifting plate moves along the axial direction of the screw rods; the moving direction of the lifting plate is arranged for guiding the two screws, the lifting plate can be horizontally and stably lifted, the phenomenon that the lifting plate is inclined due to different lifting speeds of two ends of the lifting plate in the lifting process is reduced, a measured piece and a measuring point of a standard piece can be vertically contacted with a sample block, and the test accuracy is improved.

Further, the fixed part includes movable block, fixed block, spring and two piece at least guide arms, run through on the fixed plate and seted up the storage tank, the fixed block sets up the lateral wall at the storage tank, and two guide arms all set up the one side that deviates from the storage tank lateral wall at the fixed block, the movable block slides and wears to establish on the guide arm, all sets up the just right recess that is used for the centre gripping measured piece each other on the mutual lateral wall that touches of movable block and fixed block, the lateral wall and the spring coupling of fixed block are kept away from to the movable block, and the other end and the lateral wall.

Implement above-mentioned technical scheme, when the installation is surveyed the piece, make movable block and fixed block separation will be surveyed the piece and press from both sides and establish in the recess, make the movable block have the trend to the fixed block direction motion all the time under the effect of spring for the piece is fixed in the recess by being surveyed, and the mounting means of being surveyed is simple and convenient, easily operating personnel's use.

Furthermore, the truncated surface of the groove is triangular.

By implementing the technical scheme, the tested pieces with different diameters can be clamped between the moving block and the fixed block in the moving range, and the application range of the hardness tester calibrating device is enlarged.

Further, a rubber pad is arranged on the side wall of the groove.

Implement above-mentioned technical scheme, the setting up of rubber pad increases and is surveyed the frictional force between the piece for it is fixed more firm to be surveyed, reduces simultaneously with the measured piece and the movable block and the fixed block between the rigid collision, reduce the phenomenon that is surveyed a surface and is worn and torn and take place.

Further, the lower terminal surface of fixed plate articulates there are two dwang, and mounting and standard clamp establish between two dwang, two the one end that the fixed plate was kept away from to the dwang passes through the locating lever to be connected, the locating lever rotates with the dwang to be connected.

Implement above-mentioned technical scheme, when being fixed to the piece of being surveyed, accessible locating lever makes the measuring point of being surveyed piece and standard component at same horizontal plane, and operating personnel rotates the dwang afterwards and makes the locating lever leave by being surveyed piece and standard component, can begin the calibration test this moment, the setting of locating lever is effectual reduces the production of error.

Further, a magnet is arranged on the lower end face of the fixing plate, and the positioning rod is made of a material capable of being adsorbed by the magnet.

Implement above-mentioned technical scheme, the locating lever uses and accomplishes the back, rotates the dwang and makes the locating lever adsorbed by magnet, and the dwang and the laminating of fixed plate reduce the interference of locating lever to the experiment.

Furthermore, the cutting surface of the positioning rod is arranged in a water-drop shape.

Implement above-mentioned technical scheme, when using, the rotation locating lever, with the protruding part of locating lever towards the fixed plate setting, all bump the back with the protruding part of locating lever when being surveyed a piece and standard component, the rotation locating lever makes the protruding part of locating lever deviate from the fixed plate, rotate the dwang afterwards and make the locating lever keep away from being surveyed a piece and standard component, the effectual reduction when rotating the dwang, the locating lever with be surveyed a piece collision, the phenomenon that makes being surveyed a piece angle change takes place to take place, reduce the production of error.

Compared with the prior art, the utility model has the advantages of:

firstly, the operation process is simple and convenient, the data comparison is visual, and the generation of errors is reduced;

the lifting plate stably rises, so that the measuring points of the measured piece and the standard piece can be vertically contacted with the sample block, and the test accuracy is improved;

thirdly, the installation mode of the tested piece is simple and convenient, and the use of an operator is easy;

and fourthly, the arrangement of the positioning rod enables the measuring points of the measured piece and the standard piece to be on the same horizontal plane, so that the generation of errors is effectively reduced.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a fixing member according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a positioning rod according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a driving member according to an embodiment of the present invention.

In the figure: 1. a base; 11. a support bar; 2. a fixing plate; 21. a containing groove; 22. rotating the rod; 23. positioning a rod; 24. a magnet; 3. a standard component; 4. a sample block; 5. a lifting plate; 6. a drive member; 61. a screw; 62. a driving gear; 63. a first driven gear; 64. a second driven gear; 65. a handle; 7. a fixing member; 71. a moving block; 72. a fixed block; 73. a spring; 74. a guide bar; 75. a groove; 76. and (7) a rubber pad.

Detailed Description

The present invention will be further explained below.

Example (b):

as shown in FIG. 1, the device for calibrating the hardness tester comprises a base 1, a fixing plate 2, a fixing member 7, a standard member 3, a sample block 4, a lifting plate 5 and a driving member 6 for driving the lifting plate 5 to move.

As shown in fig. 1 and 2, the base 1 is connected to the fixing plate 2 via a support rod 11, the standard component 3 (i.e. a standard hardness tester) is disposed on the fixing plate 2, and the fixing component 7 is disposed on the fixing plate 2 to clamp the measured component (i.e. a measured hardness tester). The fixing member 7 includes a moving block 71, a fixing block 72, a spring 73 and two guide rods 74, a receiving groove 21 is formed through the fixing plate 2, and the fixing member 7 is received in the receiving groove 21. The fixing block 72 is disposed on a side wall of the receiving groove 21, and the two guide rods 74 are disposed on a side of the fixing block 72 away from the side wall of the receiving groove 21. Triangular grooves 75 penetrating through the moving block 71 or the fixed block 72 in the vertical direction are formed in the side walls of the moving block 71 and the fixed block 72, which are in mutual contact, so that the fixed part 7 can fix measured parts with different diameters within a certain range. The two grooves 75 are arranged oppositely, and the side walls of the grooves 75 are covered with rubber pads 76 for increasing the friction force between the measured piece and the measured piece, preventing the measured piece from moving after being fixed, and preventing the surface of the measured piece from being abraded. In this embodiment, the thickness of the moving block 71 and the fixed block 72 is greater than 5mm, so that the measured piece is not easy to clamp and incline when being clamped, and the generation of calibration errors is reduced. The moving block 71 is slidably disposed through the guide rods 74, and the guide rods 74 are disposed at both sides of the groove 75 to reduce the deflection of the moving block 71. The side wall of the moving block 71 away from the fixed block 72 is connected with the spring 73, and the other end of the spring 73 is connected with the side wall of the accommodating groove 21.

As shown in fig. 1, the lower end surface of the fixed plate 2 is hinged with two rotating rods 22, the fixing member 7 and the standard member 3 are sandwiched between the two rotating rods 22, one ends of the two rotating rods 22, which are far away from the fixed plate 2, are connected by a positioning rod 23 (see fig. 3) having a drop-shaped cross section, and the positioning rod 23 is rotatably connected with the rotating rods 22. The connecting line between the positioning rod 23 and the measuring points of the measured piece and the standard piece 3 is on the same vertical plane, so that the positioning rod 23 can be in contact with the measuring points of the measured piece and the standard piece 3. In this embodiment, the rotating rod 22 is made of iron, the magnet 24 is disposed on the lower end surface of the fixing plate 2, and after the positioning rod 23 is used, the operator can rotate the rotating rod 22 to fix the positioning rod 23, so that the positioning rod 23 is far away from the measured object. The position of the positioning rod 23 is fixed by a magnet 24, so that the operation of an operator is facilitated.

As shown in fig. 1 and 4, the driving member 6 is disposed on the base 1, and the lifting plate 5 and the fixing plate 2 are disposed parallel to each other. The driving member 6 includes a screw 61, a driving gear 62, a first driven gear 63, and a second driven gear 64, the screw 61 and the second driven gear 64 are provided in two, and the second driven gear 64 is provided on the screw 61. The two screws 61 are disposed through the lifting plate 5 and located at two ends of the lifting plate 5, respectively, and the two screws 61 position the lifting plate 5 in the horizontal direction and limit the moving direction of the lifting plate 5. Two ends of two screw rods 61 rotate with base 1 and fixed plate 2 respectively and are connected, and first driven gear 63 and driving gear 62 all rotate with base 1 and are connected, and first driven gear 63 is connected with two second driven gear 64 drives, and driving gear 62 is connected with first driven gear 63 drive, still is provided with on the terminal surface of driving gear 62 to be used for driving gear 62 pivoted handle 65. When the handle 65 is rotated by an operator, the two screw rods 61 can be synchronously rotated, so that the lifting plate 5 can stably rise, the level can be ensured in the rising process, and the error in calibration is reduced.

As shown in fig. 1, the sample block 4 is placed on the side of the elevating plate 5 close to the fixing plate 2.

The use process comprises the following steps:

an operator enables the rotating rod 22 to be in a natural state, rotates the positioning rod 23 to enable the protruding portion of the positioning rod 23 to face the fixing plate 2, then pulls the moving block 71 away to insert the measured piece into the groove 75, adjusts the position of the measured piece, enables the standard piece 3 and the measured piece to be in contact with the protruding portion of the positioning rod 23, enables the moving block 71 and the fixing block 72 to clamp the measured piece at the moment, and completes the fixing of the measured piece. The operator then rotates the positioning rod 23 so that the protruding portion of the positioning rod 23 is away from the fixed plate 2, and rotates the rotating rod 22 so that the positioning rod 23 comes into contact with the magnet 24 so that the positioning rod 23 is away from the measurement point of the piece to be measured. An operator rotates the handle 65 to enable the driving gear 62 to drive the first driven gear 63 and the second driven gear 64 to rotate, at the moment, the two screws 61 rotate synchronously, the lifting plate 5 moves stably along the axial direction of the screws 61 to enable the sample block 4 to be in contact with the measured piece and the standard piece 3, and at the moment, the measured piece can be compared with the data of the standard piece 3. And repeatedly contacting the sample block 4 with the tested piece and the standard piece 3 for many times, recording and comparing data, and calibrating after the data is recorded. The data comparison is visual, the calibration operation is simple and convenient, and the use of operators is easy.

The principle and the implementation of the present invention are explained herein by using specific examples, and the above description of the embodiments is only used to help understand the method and the core idea of the present invention; while the invention has been described in terms of specific embodiments and applications, it will be apparent to those skilled in the art that numerous variations and modifications can be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a sclerometer calibrating device, its characterized in that includes base (1), fixed plate (2), standard component (3), sample piece (4), lifter plate (5) and is used for driving piece (6) that lifter plate (5) removed, base (1) is connected through bracing piece (11) with fixed plate (2), driving piece (6) set up on base (1), lifter plate (5) and fixed plate (2) parallel arrangement each other, sample piece (4) are placed in one side that lifter plate (5) are close to fixed plate (2), standard component (3) set up on fixed plate (2), still are provided with on fixed plate (2) and are used for the centre gripping to be surveyed mounting (7).

2. A hardness meter calibration device according to claim 1, wherein the driving member (6) comprises two screws (61), a driving gear (62), a first driven gear (63) and a second driven gear (64), the two screws (61) and the two second driven gears (64) are arranged on the screws (61), the two screws (61) are threaded through the lifting plate (5) and are respectively located at two ends of the lifting plate (5), two ends of the two screws (61) are respectively rotatably connected with the base (1) and the fixing plate (2), the first driven gear (63) and the driving gear (62) are both rotatably connected with the base (1), the first driven gear (63) is drivingly connected with the two second driven gears (64), the driving gear (62) is drivingly connected with the first driven gear (63), the end surface of the driving gear (62) is also provided with a handle (65) for driving the driving gear (62) to rotate.

3. The sclerometer calibrating device according to claim 1, characterized in that the fixed member (7) includes a moving block (71), a fixed block (72), a spring (73) and at least two guide rods (74), the fixed plate (2) is provided with an accommodating groove (21) in a penetrating manner, the fixed block (72) is disposed on a side wall of the accommodating groove (21), the two guide rods (74) are disposed on a side of the fixed block (72) away from the side wall of the accommodating groove (21), the moving block (71) is slidably disposed on the guide rods (74), mutually opposite grooves (75) for clamping the measured piece are disposed on mutually touching side walls of the moving block (71) and the fixed block (72), a side wall of the moving block (71) away from the fixed block (72) is connected with the spring (73), and the other end of the spring (73) is connected with the side wall of the accommodating groove (21).

4. A durometer calibration device as claimed in claim 3, wherein the cut-off of the groove (75) is triangular.

5. A durometer calibration device according to claim 4, wherein the side walls of the recess (75) are provided with rubber pads (76).

6. A hardness meter calibrating device according to claim 3, wherein the lower end face of fixed plate (2) is hinged with two rotating rods (22), fixing part (7) and standard part (3) are clamped between two rotating rods (22), the ends of two rotating rods (22) far away from fixed plate (2) are connected through locating rod (23), and locating rod (23) is rotatably connected with rotating rods (22).

7. A hardness tester calibration device according to claim 6, wherein the lower end face of the fixed plate (2) is provided with a magnet (24), and the positioning rod (23) is made of a material that can be attracted by the magnet (24).

8. A hardness meter calibration device according to claim 6 or 7, wherein the cross-section of the locating rod (23) is drop shaped.