CN216482950U

CN216482950U - Roughness measuring instrument

Info

Publication number: CN216482950U
Application number: CN202123024581.7U
Authority: CN
Inventors: 邓学文
Original assignee: Shanghai Baihe Instrument Technology Co ltd
Current assignee: Shanghai Baihe Instrument Technology Co ltd
Priority date: 2021-12-02
Filing date: 2021-12-02
Publication date: 2022-05-10
Anticipated expiration: 2031-12-02

Abstract

The utility model relates to a roughness measurement appearance technical field specifically is a roughness measurement appearance, including base and workstation, base upper end fixed mounting has the protection frame, and workstation fixed mounting is in the base top and lies in the protection frame inboard, and both ends all are provided with the L template about the workstation top, and the inboard fixed mounting of L template has the limiting plate, runs through on the limiting plate and is equipped with the dead lever, and dead lever bottom fixed mounting has the clamp plate, and dead lever outer wall cover is equipped with the spring that lies in between L template and the limiting plate; the beneficial effects of the utility model reside in that: the device is used in a matched mode through the screw rod, the sliding sleeve, the L-shaped rod, the L-shaped plate, the fixed rod, the spring and the pressing plate, so that the requirement for measuring and placing workpieces of different actual sizes can be met, the workpieces are prevented from being damaged in the measuring process, meanwhile, the workpieces can be fixed on the workbench, the workpieces are prevented from being displaced in the measuring process, the problem that errors are large due to influence is avoided, and the measuring effect on the workpieces is improved.

Description

Roughness measuring instrument

Technical Field

The utility model relates to a roughness measurement appearance technical field specifically is a roughness measurement appearance.

Background

The roughness measuring instrument is an important detecting instrument applied to the machining manufacturing industry, the surface roughness is always an important parameter in the manufacturing fields of precision machinery, instruments and meters, ultra-precision machining and the like, and the measured data is always an important point of interest.

The conventional roughness measuring instrument is too single in structure, when a workpiece is measured, the workpiece is inconvenient to place, so that the workpiece is damaged in the measuring process, and the workpiece is easy to displace in the measuring process of the workpiece, so that the measuring error is large, the measuring effect on the workpiece is reduced, and therefore, the roughness measuring instrument is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem existing in the prior art and providing a roughness measuring instrument.

The utility model provides a technical scheme that its technical problem adopted is: a roughness measuring instrument comprises a base and a workbench, wherein a protective frame is fixedly arranged at the upper end of the base, and the workbench is fixedly arranged at the top of the base and positioned on the inner side of the protective frame;

the left end and the right end of the top of the workbench are respectively provided with an L-shaped plate, a limiting plate is fixedly arranged on the inner side of the L-shaped plate, a fixing rod penetrates through the limiting plate, a pressing plate is fixedly arranged at the bottom of the fixing rod, and a spring positioned between the L-shaped plate and the limiting plate is sleeved on the outer wall of the fixing rod;

the left end and the right end of the front side and the rear side of the workbench are fixedly provided with fixed blocks, the two fixed blocks are arranged at the same side, a screw rod is connected between the fixed blocks in a rotating mode, sliding sleeves are sleeved at the left end and the right end of the screw rod in a threaded mode, and the left end of the screw rod penetrates through the fixed blocks.

Preferably, the base bottom four corners department all fixed mounting have the supporting leg, the inside storing storehouse that is provided with of base.

Preferably, the top of the inner side of the protective frame is provided with a sliding groove, a sliding block is connected in the sliding groove in a sliding mode, and the lower end of the sliding block is provided with a measuring mechanism.

Preferably, the measuring mechanism comprises a mounting plate fixedly mounted at the bottom of the sliding block, a measurer is fixedly mounted at the bottom of the mounting plate, a spiral cable is arranged at the lower end of the measurer, and a measuring probe is arranged at the bottom of the spiral cable.

Preferably, the top of the fixing rod penetrates through the top of the L-shaped plate and is fixedly provided with a carrying handle, the upper side and the lower side of the spring are fixedly connected with the top of the inner wall of the L-shaped plate and the top of the limiting plate respectively, and the bottom of the pressing plate is provided with a cushion pad.

Preferably, the top of the sliding sleeve is fixedly provided with an L-shaped rod, and the other end of the L-shaped rod is fixedly connected with the L-shaped plate.

By adopting the technical scheme, the beneficial effects are as follows:

the screw, the sliding sleeve, the L-shaped rod, the L-shaped plate, the fixed rod, the spring and the pressing plate are matched for use, so that the measurement and placement requirements of workpieces with different actual sizes can be met, the workpieces are prevented from being damaged in the measurement process, meanwhile, the workpieces can be fixed on the workbench, the workpieces are prevented from being displaced in the measurement process, the problem of large error is avoided, and the measurement effect on the workpieces is improved;

through the setting of slider and spout, can drive measuring mechanism and remove about to can change measuring mechanism's measuring position, make the measuring apparatu can measure the many places position of workpiece surface, improve measurement, spiral cable's setting is favorable to improving the measurement of efficiency to the work piece simultaneously, and can play certain guard action to the measuring apparatu.

Drawings

Fig. 1 is a schematic front view of the three-dimensional structure of the present invention;

FIG. 2 is a front sectional view of the present invention;

FIG. 3 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 4 is an enlarged schematic view of the structure at B of the present invention;

the labels in the figure are: the device comprises a base 1, a protective frame 2, a workbench 3, an L-shaped plate 4, a carrying handle 5, a storage bin 6, supporting legs 7, a measuring probe 8, a sliding groove 9, a sliding block 10, an installation plate 11, a measurer 12, a spiral cable 13, a fixed block 14, a screw rod 15, a sliding sleeve 16, an L-shaped rod 17, a fixed rod 18, a spring 19, a limiting plate 20, a pressing plate 21 and a cushion 22.

Detailed Description

As shown in fig. 1 to 4, the utility model provides a technical solution: a roughness measuring instrument comprises a base 1 and a workbench 3, wherein a protective frame 2 is fixedly arranged at the upper end of the base 1, and the workbench 3 is fixedly arranged at the top of the base 1 and positioned on the inner side of the protective frame 2;

the left end and the right end of the top of the workbench 3 are respectively provided with an L-shaped plate 4, the inner side of each L-shaped plate 4 is fixedly provided with a limiting plate 20, a fixing rod 18 penetrates through each limiting plate 20, the bottom of each fixing rod 18 is fixedly provided with a pressing plate 21, and the outer wall of each fixing rod 18 is sleeved with a spring 19 positioned between each L-shaped plate 4 and each limiting plate 20;

the left and right ends of the front side and the rear side of the workbench 3 are fixedly provided with fixed blocks 14, the two fixed blocks at the same side are connected with a screw rod 15 in a rotating mode, the left end and the right end of the screw rod 15 are sleeved with sliding sleeves 16 in a threaded mode, and the left end of the screw rod 15 penetrates through the fixed blocks 14.

In the embodiment, supporting legs 7 are fixedly arranged at four corners of the bottom of the base 1, and a storage bin 6 is arranged in the base 1;

specifically, through the setting of supporting leg 7, can play the effect of support to base 1, measured work piece can be placed to the setting of storing storehouse 6 simultaneously.

In the embodiment, the top of the inner side of the protective frame 2 is provided with a sliding chute 9, the sliding chute 9 is connected with a sliding block 10 in a sliding manner, and the lower end of the sliding block 10 is provided with a measuring mechanism;

specifically, through the setting of slider 10 and spout 9, can drive measuring mechanism and remove about to can change measuring mechanism's measuring position, make the measuring apparatu can measure the many places position on workpiece surface, improve measuring effect.

In this embodiment, the measuring mechanism includes an installation plate 11 fixedly installed at the bottom of the slider 10, a measurer 12 is fixedly installed at the bottom of the installation plate 11, a spiral cable 13 is arranged at the lower end of the measurer 12, and a measuring probe 8 is arranged at the bottom of the spiral cable 13;

specifically, the measuring probe 8 is pulled so that the spiral cable 13 is pulled outward, and thus the roughness of the surface of the workpiece can be measured.

In the embodiment, the top of the fixing rod 18 penetrates through the top of the L-shaped plate 4 and is fixedly provided with the carrying handle 5, the upper side and the lower side of the spring 19 are respectively and fixedly connected with the top of the inner wall of the L-shaped plate 4 and the top of the limiting plate 20, and the bottom of the pressing plate 21 is provided with the cushion pad 22;

specifically, through the setting of carrying handle 5, can drive dead lever 18 and upwards remove, the setting of blotter 22 simultaneously can play the effect of protection to the work piece, avoids clamp plate 21 to cause wearing and tearing to the work piece surface.

The working process is as follows: when the device is used, a workpiece to be measured is placed on the workbench 3, then the screw rod 15 is rotated, the screw rod 15 drives the sliding sleeve 16 to move, so that the two L-shaped plates 4 move left and right on the workbench 3 through the L-shaped rod 17, the two L-shaped plates 4 can approach to each other to clamp a smaller workpiece and can move away from each other to clamp a larger workpiece, the measurement placement requirements of workpieces with different actual sizes can be met, the workpiece is prevented from being damaged in the measurement process, meanwhile, the handle 5 can be pulled, the spring 19 is stressed and contracted, the fixed rod 18 drives the pressing plate 21 to move upwards, when the two L-shaped plates 4 limit the two sides of the workpiece, the handle 5 is loosened, the pressure of the spring 19 disappears, the fixed rod 18 and the pressing plate 21 are driven to move downwards through the action of the spring 19, the pressing plate 21 tightly presses the two sides of the workpiece, and the workpiece can be fixed on the workbench 3, the displacement of the workpiece in the measuring process is prevented, the problem of larger error caused by influence is avoided, and the measuring effect on the workpiece is improved;

because spiral cable 13 is the elastic element, during the measurement, the user can stimulate measuring probe 8 for measuring probe 8 contacts with the work piece surface, thereby alright carry out roughness measurement to the work piece, can directly loosen measuring probe 8 after the measurement is accomplished, under spiral cable 13's elasticity effect, make measuring probe 8 resume into the former state, then take out the work piece that the measurement was accomplished, the measurement work piece of more renewal, it is convenient to measure, can improve the measurement effeciency to the work piece simultaneously.

Claims

1. The utility model provides a roughness measurement appearance, includes base (1) and workstation (3), base (1) upper end fixed mounting has protecting frame (2), workstation (3) fixed mounting is in base (1) top and is located protecting frame (2) inboard, its characterized in that:

the left end and the right end of the top of the workbench (3) are respectively provided with an L-shaped plate (4), the inner side of each L-shaped plate (4) is fixedly provided with a limiting plate (20), a fixing rod (18) penetrates through each limiting plate (20), the bottom of each fixing rod (18) is fixedly provided with a pressing plate (21), and the outer wall of each fixing rod (18) is sleeved with a spring (19) located between each L-shaped plate (4) and each limiting plate (20);

the equal fixed mounting in both ends has fixed block (14) about workstation (3) both sides, with two all rotate between fixed block (14) and be connected with screw rod (15), equal screw thread in both ends has cup jointed sliding sleeve (16) about screw rod (15), screw rod (15) left end runs through out left fixed block (14).

2. A roughness measuring instrument according to claim 1, wherein: the base (1) bottom four corners department all fixed mounting have supporting leg (7), base (1) inside is provided with storing storehouse (6).

3. A roughness measuring instrument according to claim 1, wherein: the protection frame is characterized in that a sliding groove (9) is formed in the top of the inner side of the protection frame (2), a sliding block (10) is connected to the sliding groove (9) in a sliding mode, and a measuring mechanism is arranged at the lower end of the sliding block (10).

4. A roughness measuring instrument according to claim 3, wherein: the measuring mechanism comprises a mounting plate (11) fixedly mounted at the bottom of a sliding block (10), a measurer (12) is fixedly mounted at the bottom of the mounting plate (11), a spiral cable (13) is arranged at the lower end of the measurer (12), and a measuring probe (8) is arranged at the bottom of the spiral cable (13).

5. A roughness measuring instrument according to claim 1, wherein: the top of the fixing rod (18) penetrates through the top of the L-shaped plate (4) and is fixedly provided with a carrying handle (5), the upper side and the lower side of the spring (19) are fixedly connected with the top of the inner wall of the L-shaped plate (4) and the top of the limiting plate (20) respectively, and a cushion pad (22) is arranged at the bottom of the pressing plate (21).

6. A roughness measuring instrument according to claim 1, wherein: sliding sleeve (16) top fixed mounting has L type pole (17), L type pole (17) other end and L template (4) fixed connection.