CN214095794U

CN214095794U - Adjustable length setting instrument

Info

Publication number: CN214095794U
Application number: CN202023310232.7U
Authority: CN
Inventors: 沃林; 沃家
Original assignee: Suzhou Yingshi Measurement Technology Co ltd
Current assignee: Suzhou Yingshi Measurement Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-08-31
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a length setting appearance with adjustable, include: a base; the first measuring block comprises a first measuring surface and a second measuring surface which are parallel to each other; the fixed seat is fixed on the base and provided with a first mounting part for mounting the first gauge block, and the first measuring surface and the second measuring surface of the first gauge block protrude out of the end surface of the first mounting part; the second gauge block comprises a third measuring surface and a fourth measuring surface which are parallel to each other; the movable seat is connected to the base in a sliding mode and provided with a second installation part for installing a second gauge block, the third measuring surface and the fourth measuring surface of the second gauge block protrude out of the end face of the second installation part, the third measuring surface and the first measuring surface are parallel, and the second gauge block slides along the direction perpendicular to the first measuring surface under the driving of the movable seat so that the third measuring surface and the first measuring surface are abutted; and the displacement measuring unit is arranged on the base to measure the displacement of the third measuring surface relative to the first measuring surface. The scheme can reduce the allocation quantity of the standard gauge blocks and the standard ring gauges for users, and facilitates the management of the gauge blocks.

Description

Adjustable length setting instrument

Technical Field

The utility model relates to a standard gage block field, specific is an adjustable length setting appearance.

Background

The gauge block is a standard end face gauge without scales. The measuring block is mainly used as a middle standard measuring tool in a size transmission system or as a zero position of a standard adjusting instrument during measurement by a relative method, and can also be used for directly measuring parts.

Due to the fixed dimensions of the measuring surfaces of the standard measuring blocks or standard ring gauges, when a plurality of measuring gauges with different dimensions need to be calibrated, a plurality of different measuring blocks or ring gauges need to be equipped, which results in a larger number of measuring blocks or ring gauges. In addition, the gauge blocks or ring gauges with large sizes have large volumes and weights, are inconvenient to carry during operation, and are easy to wear.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the embodiment of the utility model provides an adjustable length setting instrument, it is used for solving at least one in the above-mentioned problem.

The embodiment of the application discloses: an adjustable length setting gauge for calibrating a measuring tool, comprising:

a base;

the first gauge block comprises a first measuring surface and a second measuring surface which are parallel to each other;

the fixed seat is fixedly connected to the base and provided with a first mounting part for mounting the first gauge block, and a first measuring surface and a second measuring surface of the first gauge block both protrude out of the end surface of the first mounting part;

the second gauge block comprises a third measuring surface and a fourth measuring surface which are parallel to each other;

the movable base is connected to the base in a sliding manner and provided with a second installation part for installing the second gauge block, a third measuring surface and a fourth measuring surface of the second gauge block protrude out of the end surface of the second installation part, the third measuring surface is parallel to the first measuring surface, and the second gauge block can slide in a direction perpendicular to the first measuring surface of the first gauge block under the driving of the movable base, so that the third measuring surface of the second gauge block is abutted to the first measuring surface of the first gauge block;

and a displacement measuring unit disposed on the base to measure a displacement amount of the third measuring surface of the second gauge block relative to the first measuring surface of the first gauge block.

Specifically, the adjustable length setting instrument further comprises a clamp which is used for being installed on the fixed seat and/or the movable seat so as to fix the measuring tool.

Specifically, the clamp is detachably connected with the fixed seat and/or the movable seat.

Specifically, the displacement measurement unit comprises a grating ruler, a grating ruler reading head and a digital display meter, the grating ruler reading head is matched with the grating ruler to sense the displacement of the third measurement surface of the second measurement block, and the digital display meter is electrically connected with the grating ruler reading head to display the reading.

Specifically, the adjustable length setting instrument further comprises a driving mechanism, a PLC control unit and a human-computer interface, wherein the driving mechanism is arranged on the base and used for driving the movable seat to slide, and the human-computer interface is connected with the driving mechanism through the PLC control unit.

Specifically, actuating mechanism includes the lead screw, is used for the drive lead screw pivoted servo motor and guide rail, the lead screw includes the screw rod and overlaps and establish nut on the screw rod, it establishes to remove the seat the nut outside and with the guide rail can be connected with sliding.

Specifically, length sets for appearance still includes to cover and establishes with adjustable protection casing on the base, the protection casing includes an inner chamber and is used for the intercommunication inner chamber and external window, at least part the fixing base, at least part remove the seat displacement measurement unit with actuating mechanism is located in the inner chamber of protection casing, at least part the fixing base, at least part remove the seat first gage block with the second gage block passes the window is in order to be located outside the inner chamber of protection casing, the second gage block can remove under the drive of seat along the major axis direction of window slides.

Specifically, length setting appearance with adjustable is still including setting up dustproof area and two roll units in the inner chamber of protection casing, two roll the unit and follow the major axis direction interval of window sets up, dustproof area cover is established two roll on the unit and be located the below of window, at least part dustproof area with the window coincidence, dustproof area with remove seat fixed connection, it is in to remove the seat can drive under servo motor's the drive dustproof area wind roll the unit roll.

Specifically, the base is made of granite.

Specifically, the first gauge block and the second gauge block are made of ceramics.

The utility model discloses following beneficial effect has at least:

1. the adjustable length setting instrument of the embodiment can adjust the distance between the first gauge block and the second gauge block according to the size value to be calibrated of the gauge to be calibrated, so that the distance between the first measuring surface of the first gauge block and the third measuring surface of the second gauge block, or the distance between the second measuring surface of the first gauge block and the fourth measuring surface of the second gauge block can meet the calibration requirements of various gauges in a variable mode. Therefore, the adjustable length setting instrument of the embodiment can enable a user to reduce the number of the standard gauge blocks and the standard ring gauge, facilitate management of the gauge blocks and save enterprise cost.

2. The adjustable length setting instrument of the embodiment is provided with a base, a fixed seat, a movable seat and the like, compared with the traditional standard gauge block and a standard ring gauge, the adjustable length setting instrument is provided with a larger operating platform, and when the instrument is calibrated, the instrument can be only operated by hands without moving the adjustable length setting instrument, so that the instrument can be prevented from being worn.

3. The adjustable length setting instrument of the embodiment has the advantages of automatically adjusting the distance and being convenient to operate.

4. The first gauge block and the second gauge block of the embodiment have the advantages of smooth surface, high hardness, high wear resistance, difficulty in deformation and the like.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of an internal view angle of an adjustable length setting device according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic structural view of another view angle inside the adjustable length setting device according to the embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

FIG. 5 is a schematic view of the connection between the grating ruler and the grating ruler reading head in the embodiment of the present invention;

fig. 6 is a schematic view of the overall structure of the adjustable length setting device according to the embodiment of the present invention.

Reference numerals of the above figures: 1. a base; 2. a first gauge block; 21. a first measuring surface; 22. a second measuring surface; 3. a fixed seat; 31. a first mounting portion; 4. a second gauge block; 41. a third measuring surface; 42. a fourth measuring surface; 5. a movable seat; 51. a second mounting portion; 6. a displacement measuring unit; 61. a grating scale; 62. a grating ruler reading head; 71. a servo motor; 72. a screw; 73. a nut; 74. a guide rail; 8. a protective cover; 81. a human-machine interface; 91. a dust-proof belt; 92. and a scrolling unit.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The adjustable length setting instrument can be used for detecting and calibrating measuring tools with different measuring range ranges. The measuring tool can comprise a caliper, a micrometer, a spherical inner diameter measuring instrument and the like. The gauge generally includes at least two gauges, which may be defined as a first gauge and a second gauge.

As shown in fig. 1 to 4, the adjustable length setting instrument of the present embodiment may include a base 1, a first gauge block 2, a fixed seat 3, a second gauge block 4, a movable seat 5 and a displacement measuring unit 6. Wherein:

the base 1 has a reference plane parallel to the horizontal plane.

The first gauge block 2 comprises a first measuring surface 21 and a second measuring surface 22 which are parallel to each other, and a first distance is arranged between the first measuring surface 21 and the second measuring surface 22, and the first distance can be any size such as 20mm, 30mm and 40 mm.

The fixing seat 3 is fixedly connected to the base 1 and located on the reference surface of the base 1. The fixing base 3 may be provided with a first mounting portion 31 for mounting the first gauge block 2, and the first measuring surface 21 and the second measuring surface 22 of the first gauge block 2 both protrude out of the end surface of the first mounting portion 31. Specifically, the thickness of the first mounting portion 31 may be slightly smaller than the thickness of the first gauge block 2 in the direction from the first measuring surface 21 to the second measuring surface 22 thereof, and in the directions corresponding to each other, the first measuring surface 21 protrudes from one end of the first mounting portion 31, and the second measuring surface 22 protrudes from the other end of the first mounting portion 31, so as to ensure that the first measuring surface 21 or the second measuring surface 22 of the first gauge block 2 can be used as a zero adjustment surface, and to ensure that the first measuring surface 21 and the second measuring surface 22 can be in contact with the measuring jaw of the gauge to be calibrated.

The second gauge block 4 comprises a third measuring surface 41 and a fourth measuring surface 42 which are parallel to each other, and a second distance is formed between the third measuring surface 41 and the fourth measuring surface 42, and the second distance can be any size such as 20mm, 30mm, 40mm, and the like.

The movable seat 5 is slidably connected to the base 1, and corresponding to the fixed seat 3, the movable seat 5 is also located on the reference surface of the base 1. The movable base 5 may be provided with a second mounting portion 51 for mounting the second gauge block 4, and the third measuring surface 41 and the fourth measuring surface 42 of the second gauge block 4 may protrude from an end surface of the second mounting portion 51. The purpose of the third measuring surface 41 and the fourth measuring surface 42 protruding the end surface of the second mounting portion 51 is substantially the same as the purpose of the first measuring surface 21 and the second measuring surface 22 protruding the end surface of the first mounting portion 31, and the description thereof is omitted. The third measuring surface 41 of the second measuring mass 4 is arranged parallel to the first measuring surface 21 of the first measuring mass 2, so that the fourth measuring surface 42 is also parallel to the second measuring surface 22. The second gauge block 4 can slide along a direction perpendicular to the first measuring surface 21 (i.e., the second measuring surface 22, the third measuring surface 41, or the fourth measuring surface 42) of the first gauge block 2 under the driving of the moving base 5, so that the third measuring surface 41 of the second gauge block 4 abuts against the first measuring surface 21 of the first gauge block 2, that is, in this embodiment, the first measuring surface 21 of the first gauge block 2 and the third measuring surface 41 of the second gauge block 4 are used as surfaces for zeroing.

The displacement measuring unit 6 is provided on the base 1 to measure the displacement amount of the third measuring surface 41 of the second gauge block 4 relative to the first measuring surface 21 of the first gauge block 2.

Taking a caliper and a micrometer (both of the two gauges can be used for measuring the outer contour dimension of a workpiece) as an example, the use method of the adjustable length setting instrument of the embodiment is as follows: moving the movable base 5 toward the fixed base 3 to make the third measuring surface 41 of the second gauge block 4 abut against the first measuring surface 21 of the first gauge block 2, and performing zeroing (zeroing); according to a size value (which can be called as a preset value) to be calibrated, the movable base 5 is moved in a direction departing from the fixed base 3, the distance between the first measuring surface 21 and the third measuring surface 41 is controlled through the displacement measuring unit 6, and when the distance between the first measuring surface 21 and the third measuring surface 41 is equal to the preset value after the first distance and the second distance are added, the second measuring block 4 is stopped to be moved and fixed; and (3) abutting a first measuring jaw of the caliper or the micrometer against the second measuring surface 22 of the first measuring block 2, abutting a second measuring jaw against the fourth measuring surface 42 of the second measuring block 4, comparing the reading of the caliper or the micrometer with the preset value, and when the reading of the caliper or the micrometer is consistent with the preset value, indicating that the measuring result of the caliper or the micrometer is accurate, and if the reading of the caliper or the micrometer is inconsistent with the preset value, indicating that the measuring result of the caliper or the micrometer is inaccurate.

Taking a spherical inside diameter measuring instrument (such a measuring tool can be used for measuring the inside contour dimension of a workpiece) as an example, the method of using the adjustable length setting instrument of the present embodiment is substantially the same as the calibration method of the caliper and the micrometer, except that: when the moving seat 5 deviates from the fixed seat 3 and moves until the distance between the first measuring surface 21 and the third measuring surface 41 is equal to the preset value, the moving seat 5 is fixed, then the first measuring jaw and the second measuring jaw of the spherical inner diameter measuring instrument respectively abut against the first measuring surface 21 and the second measuring surface 22, and then the reading and the preset value of the spherical inner diameter measuring instrument are compared.

By means of the structure, the adjustable length setting instrument has the following advantages:

1. the adjustable length setting instrument of the embodiment can adjust the distance between the first gauge block 2 and the second gauge block 4 according to the size value of the gauge to be calibrated, so that the distance between the first measuring surface 21 of the first gauge block 2 and the third measuring surface 41 of the second gauge block 4, or the distance between the second measuring surface 22 of the first gauge block 2 and the fourth measuring surface 42 of the second gauge block 4 can meet the calibration requirements of various gauges in a variable manner. Therefore, the adjustable length setting instrument of the embodiment can enable a user to reduce the number of the standard gauge blocks and the standard ring gauge, and facilitates management of the gauge blocks.

2. The adjustable length of this embodiment sets for appearance has base 1, fixing base 3 and removes seat 5 etc. and compares with traditional standard gauge block and standard ring gage, and this adjustable length sets for appearance has great operation platform, when proofreading, can only carry out handheld operation to the measuring tool and need not move adjustable length and set for appearance, consequently, can avoid the instrument wearing and tearing to appear.

Specifically, the adjustable length setting device of the present embodiment may further include a clamp (not shown) for being mounted on the fixed seat 3 and/or the movable seat 5 and fixing the measuring tool to be calibrated. The kind of anchor clamps can be equipped with the multiple to the measuring tool of adaptation different appearances, therefore, anchor clamps and fixing base 3 and/or removal seat 5 adopt the mode of removable connection to be connected. The part of the clamp used for clamping is modeled with the measuring tool so as to ensure that the measuring tool can be smoothly contacted with the measuring surfaces of the first measuring block 2 and the second measuring block 4 when being clamped, and the calibration result is not influenced.

As shown in fig. 5, the displacement measuring unit 6 of the present embodiment may be digital display type, which may include a grating ruler 61, a grating ruler reading head 62 and a digital display meter. The grating ruler 61 may be disposed along the sliding direction of the second measuring block 4, or the extending direction of the grating ruler 61 is the same as the motion track of the second measuring block 4. The base 1 of the adjustable length setting instrument may be provided with a mounting plate for mounting the grating ruler 61, and the grating ruler reading head 62 may be fixed on the movable base 5 so as to read the displacement of the movable base 5, that is, the displacement of the third measuring surface 41 of the second measuring block 4. The digital display meter is electrically connected with the grating ruler reading head 62 to display the reading, so that a person can know the displacement of the third measuring surface 41 of the second gauge block 4 through the reading displayed by the digital display meter, and whether the displacement meets the requirement or not can be judged.

The displacement measuring unit 6 of the present embodiment may also be of a graduated type, and compared to the graduated type, the digital display type displacement measuring unit 6 is more convenient for a person to intuitively and accurately adjust the displacement of the movable base 5.

As shown in fig. 1 and fig. 6, the adjustable length setting instrument of the present embodiment further includes a driving mechanism disposed on the base 1 and used for driving the movable base 5 to slide, a PLC control unit (not shown), and a human-machine interface 81, wherein the human-machine interface 81 is electrically connected to the driving mechanism through the PLC control unit. By adopting the scheme, after a person sets the distance of the movable seat 5 to be moved through the human-computer interface 81 and clicks the confirmation key, the PLC control unit transmits the signal to the driving mechanism, and the driving mechanism can drive the movable seat 5 to slide to the corresponding distance and then stop, so that the use convenience of the adjustable length setting instrument can be improved.

Further, as shown in fig. 1, the driving mechanism of the present embodiment may include a lead screw, a servo motor 71 for driving the lead screw to rotate, and a guide rail 74. The screw comprises a screw rod 72 connected to the servo motor 71 and a nut 73 sleeved on the screw rod 72, the movable base 5 is sleeved on the nut 73 and fixedly connected with the nut 73, and the movable base 5 is further connected with the guide rail 74 in a sliding manner. The servo motor 71 is connected with the human-computer interface 81 through the PLC control unit, when the servo motor 71 is driven by a signal to rotate the screw rod, the nut 73 drives the movable base 5 to move linearly along the axis direction of the screw rod, so that the distance between the second gauge block 4 on the movable base 5 and the first gauge block 2 on the fixed base 3 can be adjusted, and the guide rail 74 can improve the sliding stability of the movable base 5.

Furthermore, as shown in fig. 6, the adjustable length setting instrument of the present embodiment may further include a protective cover 8 covering the base 1, and the protective cover 8 may include an inner cavity and a window for communicating the inner cavity with the outside. At least part of the fixed seat 3, at least part of the movable seat 5, the displacement measuring unit 6 and the driving mechanism are located in the inner cavity of the protective cover 8, at least part of the fixed seat 3, at least part of the movable seat 5, the first gauge block 2 and the second gauge block 4 penetrate through the window to be located outside the inner cavity of the protective cover 8, and the second gauge block 4 can slide along the long axis direction of the window under the driving of the movable seat 5. Specifically, the window is substantially long, most of the fixed base 3 and the moving base 5 are located in an inner cavity of the protective cover 8, a small portion of the fixed base 3 (e.g., the first mounting portion 31 and the lower edge thereof) and a small portion of the moving base 5 (e.g., the second mounting portion 51 and the lower edge thereof) are located outside the inner cavity of the protective cover 8, so that the first gauge block 2 and the second gauge block 4 are located outside the inner cavity of the protective cover 8 to contact with the gauge, the protective cover 8 can be used for protecting most parts of the adjustable length setting instrument from dust, collision, and the like, the window of the protective cover 8 is used for avoiding the first gauge block 2 and the second gauge block 4, so that the first gauge block 2 and the second gauge block 4 extend out of the protective cover 8 to calibrate the gauge, and the long window can avoid the moving base 5 when it slides.

As shown in fig. 4 and 6, the adjustable length setting instrument of the present embodiment may further include a dustproof belt 91 and two rolling units 92 disposed in the inner cavity of the dustproof cover, the two rolling units 92 are disposed at intervals along the long axis direction of the window, the dustproof belt 91 is sleeved on the two rolling units 92 and is located below the window, and at least a portion of the dustproof belt 91 overlaps with the window. The dust-proof belt 91 is fixedly connected with the movable seat 5, and the movable seat 5 can drive the dust-proof belt 91 to roll around the two rolling units 92 under the driving of the servo motor 71. That is, the dust-proof belt 91 and the two rolling units 92 constitute a structure of a conveyor belt to which the moving seat 5 is fixed. Preferably, the dust-proof belt 91 is located right below the window, and the width and length of the dust-proof belt 91 can be larger than those of the window, so that the dust-proof belt 91 has good functions of preventing dust and foreign matters from falling into the inner cavity of the dust-proof cover.

Specifically, the base 1 of the present embodiment may be made of granite, and the first gauge block 2 and the second gauge block 4 may be made of ceramic. Granite and ceramic have the advantages of smooth surface, high hardness, high wear resistance, difficult deformation and the like.

The present invention has been explained by using specific embodiments, and the explanation of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. An adjustable length setting device for calibrating a measuring tool, comprising:

a base;

2. The adjustable length setting gauge of claim 1, further comprising a clamp for mounting on the fixed base and/or the movable base to fix the gauge.

3. The adjustable length setting gauge of claim 2, wherein the clamp is detachably connected to the fixed seat and/or the movable seat.

4. The adjustable length setting instrument according to claim 1, wherein the displacement measuring unit comprises a grating ruler, a grating ruler reading head and a digital display meter, the grating ruler reading head cooperates with the grating ruler to sense the displacement of the third measuring surface of the second gauge block, and the digital display meter is electrically connected with the grating ruler reading head to display the reading.

5. The adjustable length setting instrument according to claim 1, further comprising a driving mechanism disposed on the base for driving the movable base to slide, a PLC control unit, and a human-machine interface connected to the driving mechanism through the PLC control unit.

6. The adjustable length setting instrument according to claim 5, wherein the driving mechanism comprises a screw, a servo motor for driving the screw to rotate, and a guide rail, the screw comprises a screw and a nut sleeved on the screw, and the movable base is sleeved outside the nut and slidably connected with the guide rail.

7. The adjustable length setting device according to claim 6, further comprising a protective cover covering the base, wherein the protective cover comprises an inner cavity and a window for communicating the inner cavity with the outside, at least a portion of the fixed base, at least a portion of the movable base, the displacement measuring unit and the driving mechanism are located in the inner cavity of the protective cover, at least a portion of the fixed base, at least a portion of the movable base, the first gauge block and the second gauge block pass through the window to be located outside the inner cavity of the protective cover, and the second gauge block can slide along a long axis of the window under the driving of the movable base.

8. The adjustable length setting instrument according to claim 7, further comprising a dustproof belt and two rolling units disposed in the inner cavity of the protection cover, wherein the two rolling units are spaced apart from each other along the long axis of the window, the dustproof belt is sleeved on the two rolling units and located below the window, at least a portion of the dustproof belt is overlapped with the window, the dustproof belt is fixedly connected to the movable base, and the movable base is driven by the servo motor to drive the dustproof belt to roll around the rolling units.

9. The adjustable length setting gauge of claim 1, wherein the base is made of granite.

10. The adjustable length setting gauge of claim 1, wherein the first gauge block and the second gauge block are made of ceramic.