CN220153466U

CN220153466U - Workpiece measuring device

Info

Publication number: CN220153466U
Application number: CN202321096254.9U
Authority: CN
Inventors: 于珊珊
Original assignee: China Tobacco Jiangsu Industrial Co Ltd
Current assignee: China Tobacco Jiangsu Industrial Co Ltd
Priority date: 2023-05-09
Filing date: 2023-05-09
Publication date: 2023-12-08
Anticipated expiration: 2033-05-09

Abstract

The utility model belongs to the technical field of measurement, and discloses a workpiece measuring device. The measuring device comprises a vernier caliper, a positioning assembly and a connecting assembly, wherein the vernier caliper comprises a main scale, a first claw and a second claw, the connecting assembly is detachably arranged on the first claw, and the connecting assembly is fixedly connected with the positioning assembly; the positioning assembly comprises a base plate, a movable plate and a locking piece, wherein the base plate is provided with a second datum plane which is flush with a first datum plane of the vernier caliper, the base plate is vertically connected with the base plate, the movable plate can move relative to the base plate and tightly support a workpiece on the second datum plane, and the locking piece locks or unlocks the relative positions of the base plate and the movable plate. When the connecting component is arranged on the first claw, the movable plate can be moved according to the size of the workpiece to fix the workpiece, so that the movement of the workpiece during size measurement is effectively avoided, and the accuracy of size measurement is ensured; when the connecting component is detached from the first claw, the vernier caliper can be used independently as required.

Description

Workpiece measuring device

Technical Field

The utility model relates to the technical field of measurement, in particular to a workpiece measuring device.

Background

In the mechanical production process, a large number of cylindrical workpieces such as screws, nuts, gaskets, air cylinders, bearings and the like are required, and the application degree of the cylindrical workpieces is extremely high, so that the accurate measurement of the circumferential dimensions such as the diameter of the cylindrical workpieces has great influence on the mechanical properties of the cylindrical workpieces and the quality of post-processed products. The conventional measuring tool for the circumferential dimension of the cylindrical workpiece is generally a vernier caliper, a ring gauge and the like.

For example, chinese patent publication No. CN209512681U discloses a vernier caliper comprising a blade, a vernier, a first external measuring grip and a second external measuring grip, the first external measuring grip being provided with a supporting portion extending along a length direction of the blade and a first thickened portion extending along a thickness direction of the blade, the supporting portion having a supporting surface for supporting a bottle, the supporting surface being perpendicular to the first pair of standard surfaces, a lowest end of the second external measuring grip being located above the supporting surface; the first thickened part is provided with a second pair of standard surfaces, and the second pair of standard surfaces are overlapped with the first pair of standard surfaces; when the vernier caliper is used for measuring the bottle body, the bottle body is placed on the supporting surface of the supporting part and is attached to the first pair of mark surfaces on the first external measuring grab, the sliding vernier enables the first measuring surface on the second external measuring grab to be attached to the bottle body, and the reading vernier is the maximum outer diameter of the bottle body relative to the scale of the ruler body.

However, the above solution still has the following technical problems: according to the scheme, the cylindrical workpiece to be detected is supported only through the first pair of standard surfaces, the supporting surface and the shielding part, and the cylindrical workpiece to be detected is not fixed in position, so that the cylindrical workpiece is easy to move in the measuring process, and the measuring result is inaccurate.

Disclosure of Invention

The utility model aims to provide a workpiece measuring device which is used for solving the problem that in the existing scheme, a cylindrical workpiece is easy to move, so that a dimension measuring result is inaccurate.

To achieve the purpose, the utility model adopts the following technical scheme:

the workpiece measuring device comprises a vernier caliper, wherein the vernier caliper comprises a main scale, a first claw and a second claw, the first claw is fixedly arranged at one end of the main scale, the second claw is slidably arranged on the main scale, the first claw is provided with a first reference surface, the measuring device further comprises a positioning assembly and a connecting assembly, the positioning assembly and the vernier caliper are arranged at intervals along a first direction, the connecting assembly is detachably arranged on the first claw, and the connecting assembly is fixedly connected with the positioning assembly; the positioning assembly comprises a base plate, a movable plate and a locking piece, wherein the base plate is provided with a second datum plane which is flush with the first datum plane, the base plate is vertically connected with the base plate, the movable plate can move relative to the base plate and is used for propping a workpiece against the second datum plane, and the locking piece is used for locking or unlocking the relative positions of the base plate and the movable plate.

Preferably, the positioning assembly further comprises a supporting plate, the supporting plate and the base plate are arranged at intervals in parallel, the supporting plate is mounted on the base plate, the locking piece is a bolt in threaded connection with the supporting plate, and the bolt is in rotary connection with the movable plate.

Preferably, the surface of the end of the bolt remote from the support plate is provided with cleats.

Preferably, the positioning assembly further comprises a guide rod, the guide rod is slidably arranged on the supporting plate in a penetrating mode, the guide rod is fixedly connected with the movable plate, the guide rod is arranged in parallel with the bolt, and the movable plate is slidably attached to the bottom plate.

Preferably, the positioning assembly further comprises an elastic pad arranged on the movable plate, and the elastic pad is used for contacting with the workpiece.

Preferably, the connecting assembly comprises a U-shaped plate and a fixing plate fixedly mounted on the first jaw, a first slot is formed between the fixing plate and the first jaw, the U-shaped plate is provided with a second slot, the U-shaped plate comprises a first flat plate and a second flat plate which are arranged at intervals in parallel along the first direction and a connecting plate connected between the first flat plate and the second flat plate, the first jaw is inserted into the second slot, the second flat plate is inserted into the first slot, and the substrate is mounted on the second flat plate.

Preferably, the measuring device further comprises a locking assembly for locking or unlocking the relative position of the fixing plate and the second flat plate.

Preferably, the locking assembly comprises a pin block and a sliding block which is slidably mounted on the fixed plate, the fixed plate is provided with a first jack, the second plate is provided with a second jack, and the pin block is provided with a locking position which is simultaneously inserted into the first jack and the second jack and an unlocking position which is separated from the second jack; when in the locked position, the slider is capable of abutting the pin block to limit movement of the pin block to the unlocked position.

Preferably, the locking assembly further includes a slider mounted on the fixing plate, the first and second insertion holes extend in the first direction, and the pin block is slidable in the first direction with respect to the slider.

Preferably, the locking assembly further comprises a hand-held portion fixedly mounted to the pin block.

The utility model has the beneficial effects that:

the utility model provides a workpiece measuring device, which comprises a vernier caliper, wherein the vernier caliper comprises a main scale, a first claw and a second claw, the first claw is fixedly arranged at one end of the main scale, the second claw is slidably arranged on the main scale, the first claw is provided with a first reference surface, the measuring device also comprises a positioning component and a connecting component, the positioning component and the vernier caliper are arranged at intervals along a first direction, the connecting component is detachably arranged on the first claw, and the connecting component is fixedly connected with the positioning component; the positioning assembly comprises a base plate, a movable plate and a locking piece, wherein the base plate is provided with a second datum plane which is flush with the first datum plane, the base plate is vertically connected with the base plate, the movable plate can move relative to the base plate and is used for propping a workpiece against the second datum plane, and the locking piece is used for locking or unlocking the relative positions of the base plate and the movable plate. When the connecting assembly is arranged on the first clamping jaw, the movable plate can be moved according to the size of the workpiece to fix the workpiece placed on the positioning assembly, so that the movement of the workpiece in the size measurement process is effectively avoided, the accuracy of the size measurement of the workpiece is ensured, and meanwhile, the movable plate is movable, so that the measuring device can be used for fixedly measuring workpieces with different sizes, and the adaptability of the measuring device is improved; when the connecting component is detached from the first claw, the vernier caliper can be used independently as required.

Drawings

FIG. 1 is a schematic diagram of a measuring apparatus according to the present utility model;

FIG. 2 is a schematic diagram of the vernier caliper of the measuring device provided by the utility model;

FIG. 3 is a schematic view of a positioning assembly of a measuring device according to the present utility model;

fig. 4 is a schematic structural view of an assembly of a positioning component, a connecting component and a locking component of the measuring device provided by the utility model.

In the figure:

1. a vernier caliper; 10. a main scale; 11. a first claw; 12. a second claw;

2. a positioning assembly; 20. a substrate; 21. a bottom plate; 22. a movable plate; 23. a support plate; 24. a bolt; 25. an elastic pad; 26. a guide rod;

3. a connection assembly; 30. a U-shaped plate; 301. a first plate; 302. a second plate; 303. a connecting plate; 31. a fixing plate;

4. a locking assembly; 40. a pin block; 41. a slide block; 42. a slide; 43. a hand-held part.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The utility model provides a workpiece measuring device which can measure a workpiece and is particularly suitable for cylindrical workpieces.

Referring to fig. 1 to 4, a workpiece measuring device comprises a vernier caliper 1, wherein the vernier caliper 1 comprises a main scale 10, a first claw 11 and a second claw 12, the first claw 11 is fixedly arranged at one end of the main scale 10, the second claw 12 is slidably arranged on the main scale 10, the first claw 11 is provided with a first reference surface, the measuring device further comprises a positioning component 2 and a connecting component 3, the positioning component 2 and the vernier caliper 1 are arranged at intervals along a first direction, the connecting component 3 is detachably arranged on the first claw 11, and the connecting component 3 is fixedly connected with the positioning component 2; the positioning assembly 2 comprises a base plate 20, a base plate 21, a movable plate 22 and a locking piece, wherein the base plate 20 is provided with a second datum plane which is flush with the first datum plane, the base plate 20 is vertically connected with the base plate 21, the movable plate 22 can move relative to the base plate 21 and is used for propping a workpiece against the second datum plane, and the locking piece is used for locking or unlocking the relative positions of the base plate 21 and the movable plate 22. As shown in fig. 1, the ab direction is the first direction, so the positioning assembly 2 and the vernier caliper 1 are disposed at intervals in the first direction in order to avoid the positioning assembly 2 from obstructing the movement of the second claw 12. The second reference surface of the base plate 20 is flush with the first reference surface of the vernier caliper 1, so that the accuracy of measurement when the workpiece is placed on the positioning assembly 2 is ensured. The connecting component 3 of the measuring device is detachable, when the connecting component 3 is installed on the first clamping jaw 11, the movable plate 22 can be moved according to the size of a workpiece to fix the workpiece placed on the positioning component 2, so that the movement of the workpiece in the size measuring process can be effectively avoided, the accuracy of the size measurement of the workpiece is ensured, and meanwhile, the movable plate 22 is movable, so that the measuring device can be used for fixedly measuring the workpieces with different sizes, and the adaptability of the measuring device is improved; when the connecting assembly 3 is detached from the first claw 11, the vernier caliper 1 can be used alone according to the requirement.

Particularly for cylindrical workpieces, the bottom plate 21 supports the workpieces, and the base plate 20 and the movable plate 22 clamp the workpieces, so that the relative positions of the workpieces relative to the vernier caliper 1 are fixed, and the accuracy of dimension measurement is ensured.

Referring to fig. 3, the positioning assembly 2 further includes a support plate 23, the support plate 23 is disposed parallel to the base plate 20 at intervals, the support plate 23 is mounted on the base plate 21, the locking member is a bolt 24 screwed with the support plate 23, and the bolt 24 is rotatably connected with the movable plate 22. The movable plate 22 can be driven to move relative to the bottom plate 21 by rotating the bolts 24, so that the movable plate 22 can be abutted against a workpiece, the substrate 20, the bottom plate 21 and the movable plate 22 can stably clamp the workpiece, the workpiece is effectively prevented from moving in the measuring process, the accuracy of dimension measurement is ensured, and the working efficiency of a measuring tool is improved. Meanwhile, the bolt 24 can drive the movable plate 22 to move, so that the positioning assembly 2 can fix workpieces with different sizes, and the application range of the measuring device is wider.

As an alternative, a long hole extending in the sliding direction of the movable plate 22 may be formed in the bottom plate 21, and a bolt 24 is disposed at the bottom of the bottom plate 21 and is screwed with the movable plate 22 through the long hole, so as to fix the movable plate 22.

Referring to fig. 3 and 4, the surface of the end of the bolt 24 remote from the support plate 23 is provided with cleats. In this embodiment, the bolt 24 comprises a head and a shank with external threads, able to be screwed with the support plate 23; and the head that keeps away from backup pad 23 is equipped with non-slip raised, can increase the frictional force between operating personnel's hand and the bolt 24 head, and then makes things convenient for operating personnel to rotate bolt 24, improves work efficiency.

Referring to fig. 3, the positioning assembly 2 further includes a guide rod 26, the guide rod 26 is slidably disposed through the support plate 23, the guide rod 26 is fixedly connected with the movable plate 22, the guide rod 26 is disposed parallel to the bolt 24, and the movable plate 22 is slidably attached to the bottom plate 21. When the movable plate 22 is moved by rotating the bolt 24, the guide rod 26 on the movable plate 22 moves relative to the support plate 23, and the combined action of the guide rod 26 and the bolt 24 prevents the movable plate 22 from shifting in the moving process, so that the moving stability of the movable plate 22 is ensured. And the movable plate 22 is in sliding fit with the bottom plate 21, so that the moving stability of the movable plate 22 is further ensured. The number of guide bars 26 is set as desired.

Referring to fig. 3 and 4, the positioning assembly 2 further includes an elastic pad 25 provided on the movable plate 22, the elastic pad 25 being for contacting with the workpiece. In this embodiment, the elastic pad 25 may be a rubber pad. By contacting the elastic pad 25 with the workpiece, the friction force between the movable plate 22 and the workpiece can be effectively increased, so that the fixing effect of the positioning assembly 2 on the workpiece is remarkably improved; meanwhile, the surface of the workpiece can be prevented from being damaged.

Referring to fig. 4, the connection assembly 3 includes a U-shaped board 30 and a fixing plate 31 fixedly installed on the first jaw 11, a first slot is formed between the fixing plate 31 and the first jaw 11, the U-shaped board 30 has a second slot, the U-shaped board 30 includes a first flat plate 301 and a second flat plate 302 arranged in parallel at intervals along a first direction, and a connection plate 303 connected between the first flat plate 301 and the second flat plate 302, the first jaw 11 is inserted into the second slot, the second flat plate 302 is inserted into the first slot, and the substrate 20 is installed on the second flat plate 302. Through this setting, can install coupling assembling 3 and locating component 2 on slide caliper 1's first jack catch 11, guaranteed measuring device's stability.

Further, the measuring device further comprises a locking assembly 4, wherein the locking assembly 4 is used for locking or unlocking the relative position of the fixed plate 31 and the second plate 302. Through the setting of locking subassembly 4, can be with coupling assembling 3 fixed connection on slide caliper 1, perhaps dismantle coupling assembling 3 from slide caliper 1. In other embodiments, the locking assembly 4 may be a bolt 24, the bolt 24 being threadably coupled to the fixed plate 31 and the second plate 302.

Referring to fig. 4, the locking assembly 4 includes a pin block 40 and a slider 41 slidably mounted on a fixed plate 31, the fixed plate 31 is provided with a first jack, the second flat plate 302 is provided with a second jack, and the pin block 40 has a locking position for being simultaneously inserted into the first jack and the second jack and an unlocking position separated from the second jack; when in the locked position, the slider 41 can abut against the pin block 40 to restrict movement of the pin block 40 to the unlocked position. When the pin block 40 is inserted into the first jack and the second jack, the connecting component 3 can be fixedly installed in the first slot, and the connecting component is abutted to the pin block 40 through the sliding block 41, so that the falling of the pin block 40 is avoided, the stability of the connection of the connecting component 3 and the vernier caliper 1 is further ensured, and the accuracy of the measuring device on the size measurement of the workpiece is further ensured.

Further, the locking assembly 4 further includes a slider 42 mounted on the fixed plate 31, the first and second insertion holes extending in the first direction, and the pin block 40 being capable of sliding in the first direction with respect to the slider 42. By slidably disposing the pin block 40 on the slider 42, not only the insertion of the pin block 40 into the fixing plate 31 but also the separation of the pin block 40 from the fixing plate 31 can be ensured.

Referring to fig. 4, the locking assembly 4 further includes a hand-held portion 43, the hand-held portion 43 being fixedly mounted to the pin block 40. The operator can move the pin block 40 by operating the hand-held portion 43, thereby improving the use effect of the pin block 40. In particular, the hand-held portion 43 may be a pull ring or a handle.

The application method of the utility model is as follows:

the second slot of the U-shaped plate 30 is inserted into the first claw 11, the second flat plate 302 of the U-shaped plate 30 is inserted into the first slot, the pin block 40 is sequentially inserted into the first insertion hole of the fixed plate 31 and the second insertion hole of the second flat plate 302 by the operation handheld part 43, and then the sliding block 41 is slid to be abutted with the pin block 40, so that the assembly of the workpiece measuring device is completed.

When the measuring device is used for measuring a cylindrical workpiece, the workpiece is firstly placed on the bottom plate 21 and is attached to the second reference surface of the base plate 20, then the movable plate 22 is moved by the rotary bolt 24 to enable the elastic pad 25 to be attached to the workpiece, and finally the second clamping jaw 12 is slid to enable the second clamping jaw to be attached to the workpiece, and the scale on the vernier caliper 1 is read to obtain the circumferential size of the workpiece.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a work piece measuring device, measuring device includes slide caliper (1), slide caliper (1) includes main scale (10), first jack catch (11) and second jack catch (12), first jack catch (11) fixed set up in one end of main scale (10), second jack catch (12) slide set up in main scale (10), first jack catch (11) have a first reference surface, characterized in that, measuring device still includes locating component (2) and coupling assembling (3), locating component (2) with slide caliper (1) set up along first direction interval, coupling assembling (3) detachably install in first jack catch (11), coupling assembling (3) with locating component (2) fixed connection; the positioning assembly (2) comprises a base plate (20), a base plate (21), a movable plate (22) and a locking piece, wherein the base plate (20) is provided with a second datum plane which is flush with the first datum plane, the base plate (20) is vertically connected with the base plate (21), the movable plate (22) can move relative to the base plate (21) and is used for propping a workpiece against the second datum plane, and the locking piece is used for locking or unlocking the relative positions of the base plate (21) and the movable plate (22).

2. The workpiece measuring device according to claim 1, characterized in that the positioning assembly (2) further comprises a supporting plate (23), the supporting plate (23) and the base plate (20) are arranged at intervals in parallel, the supporting plate (23) is mounted on the base plate (21), the locking piece is a bolt (24) in threaded connection with the supporting plate (23), and the bolt (24) is in rotary connection with the movable plate (22).

3. A workpiece measuring device according to claim 2, characterized in that the surface of the end of the bolt (24) remote from the support plate (23) is provided with cleats.

4. The workpiece measuring device according to claim 2, characterized in that the positioning assembly (2) further comprises a guide rod (26), the guide rod (26) is slidably arranged through the supporting plate (23), the guide rod (26) is fixedly connected with the movable plate (22), the guide rod (26) is arranged in parallel with the bolt (24), and the movable plate (22) is slidably attached to the bottom plate (21).

5. The workpiece measuring device according to claim 1, characterized in that the positioning assembly (2) further comprises an elastic pad (25) arranged on the movable plate (22), the elastic pad (25) being intended to be in contact with the workpiece.

6. The workpiece measurement device according to any of claims 1-5, characterized in that the connection assembly (3) comprises a U-shaped plate (30) and a fixing plate (31) fixedly mounted on the first jaw (11), a first slot is formed between the fixing plate (31) and the first jaw (11), the U-shaped plate (30) is provided with a second slot, the U-shaped plate (30) comprises a first flat plate (301) and a second flat plate (302) which are arranged at intervals in parallel along the first direction, and a connection plate (303) connected between the first flat plate (301) and the second flat plate (302), the first jaw (11) is inserted into the second slot, the second flat plate (302) is inserted into the first slot, and the substrate (20) is mounted on the second flat plate (302).

7. The workpiece measuring device according to claim 6, characterized in that the measuring device further comprises a locking assembly (4), the locking assembly (4) being adapted to lock or unlock the relative position of the fixing plate (31) and the second plate (302).

8. The workpiece measuring device according to claim 7, characterized in that the locking assembly (4) comprises a pin block (40) and a sliding block (41) slidably mounted on the fixed plate (31), the fixed plate (31) is provided with a first insertion hole, the second flat plate (302) is provided with a second insertion hole, and the pin block (40) has a locking position which is simultaneously inserted into the first insertion hole and the second insertion hole and an unlocking position which is separated from the second insertion hole; when in the locked position, the slider (41) is capable of abutting the pin block (40) to limit movement of the pin block (40) to the unlocked position.

9. The workpiece measuring device according to claim 8, characterized in that the locking assembly (4) further comprises a slide (42) mounted on the fixed plate (31), the first and second receptacles extending in the first direction, the pin block (40) being slidable relative to the slide (42) in the first direction.

10. The workpiece measuring device according to claim 8, characterized in that the locking assembly (4) further comprises a hand-held part (43), the hand-held part (43) being fixedly mounted to the pin block (40).