CN219607883U - Tool for measuring size of special-shaped product - Google Patents

Abstract

The utility model provides a tool for measuring the size of a special-shaped product. The tool for measuring the size of a profiled product comprises: the transparent bottom plate is used for being connected with the measuring machine; the limiting blocks are connected with the transparent bottom plate, the limiting blocks are multiple, at least two limiting blocks in the limiting blocks are different in length, the limiting blocks enclose a measuring area for placing a product to be measured, and the limiting ends of the limiting blocks are in contact with the product to be measured so as to limit the product to be measured at the measuring area; the support column, support column detachably sets up on transparent bottom plate and is used for supporting between the product of awaiting measuring and transparent bottom plate. The utility model solves the problems of poor stability and low measurement result precision in the dimension measurement of the special-shaped product in the prior art.

Description

Tool for measuring size of special-shaped product

Technical Field

The utility model relates to the technical field of machining equipment, in particular to a tool for measuring the size of a special-shaped product.

Background

In the field of optical processing, the dimensional accuracy of a product is generally a key factor in determining the performance of the product. Especially in the glass product processing field, the size is a very important control index, and CPK control is also increased for the important size. The size of the product influences the appearance, strength, display and other performances of the whole machine of the product. Therefore, it is particularly important for measurement of the product size.

At present, most of processed products of some manufacturers are irregularly shaped, the difficulty of measuring the size of the irregularly shaped products relative to that of regular products is greatly improved, and meanwhile, the accuracy of measuring results of the irregularly shaped products cannot be guaranteed. The prior art generally adopts to position the special-shaped product to be measured in two directions of an X axis and a Y axis for measuring the special-shaped product, but the positioning mode ensures that the stability of the special-shaped product is poor and the final measurement accuracy is easy to influence.

That is, the dimensional measurement of the irregularly shaped product in the prior art has the problems of poor stability and low accuracy of the measurement result.

Disclosure of Invention

The utility model mainly aims to provide a tool for measuring the size of a special-shaped product, which aims to solve the problems of poor stability and low measurement result precision in the size measurement of the special-shaped product in the prior art.

In order to achieve the above object, the present utility model provides a tool for measuring the size of a shaped product, comprising: the transparent bottom plate is used for being connected with the measuring machine; the limiting blocks are connected with the transparent bottom plate, the limiting blocks are multiple, at least two limiting blocks in the limiting blocks are different in length, the limiting blocks enclose a measuring area for placing a product to be measured, and the limiting ends of the limiting blocks are in contact with the product to be measured so as to limit the product to be measured at the measuring area; the support column, support column detachably sets up on transparent bottom plate and is used for supporting between the product of awaiting measuring and transparent bottom plate.

Further, the plurality of limiting blocks are arranged at least along a first direction and a second direction, the first direction is perpendicular to the second direction, at least one limiting block is arranged in the first direction, and at least two limiting blocks are arranged at intervals in the second direction.

Further, the tool for measuring the size of the special-shaped product further comprises a mounting seat, wherein the mounting seat is fixedly connected with the transparent bottom plate and is positioned on the periphery side of the transparent bottom plate, and the limiting block is connected with the transparent bottom plate through the mounting seat.

Further, the limiting block and the mounting seat are integrally formed; or the limiting block is detachably arranged on the mounting seat; or the position of the limiting block is adjustably arranged on the mounting seat.

Further, the plurality of limiting blocks comprise a first limiting block, a second limiting block and a third limiting block, the mounting seat comprises a first mounting structure and a second mounting structure which are vertically connected, one of the first mounting structure and the second mounting structure is provided with the first limiting block, and the other one of the first mounting structure and the second mounting structure is provided with the second limiting block and the third limiting block at intervals.

Further, the width of the protruding portion of the stopper gradually decreases toward the direction approaching the measurement area.

Further, the tool for measuring the size of the special-shaped product further comprises an auxiliary positioning structure, the auxiliary positioning structure is connected with the mounting seat, and the positioning end of the auxiliary positioning structure extends towards the measuring area, so that the positioning end is used for supporting one side of the product to be measured, on which the limiting block is not arranged.

Further, the transparent bottom plate has the spliced eye that is used for pegging graft the support column, and support column and spliced eye are a plurality of, and a plurality of support columns are pegged graft in partial spliced eye department selectively, and the support column includes: the support part is provided with an arc-shaped support surface at one end, and the arc-shaped support surface is used for being abutted with a product to be measured; and the plugging part is connected with the other end of the supporting part, a limiting ring is arranged at the connecting position of the plugging part and the supporting part, and when the plugging part is plugged in the plugging hole, the limiting ring is abutted with the transparent bottom plate.

Further, the height of the support column is 5mm or more.

Further, the tool for measuring the size of the special-shaped product further comprises fixing blocks, wherein the fixing blocks are arranged on the outer peripheral side of the transparent bottom plate, at least the fixing blocks are arranged on two sides of the transparent bottom plate, and the transparent bottom plate is used for being connected with a measuring machine through the fixing blocks.

By applying the technical scheme of the utility model, the tool for measuring the size of the special-shaped product comprises a transparent bottom plate, a limiting block and a supporting column, wherein the transparent bottom plate is used for being connected with a measuring machine; the limiting blocks are connected with the transparent bottom plate, the number of the limiting blocks is multiple, the lengths of at least two limiting blocks in the limiting blocks are different, the limiting blocks enclose a measuring area for placing a product to be measured, and the limiting ends of the limiting blocks are contacted with the product to be measured so as to limit the product to be measured at the measuring area; the support column is detachably arranged on the transparent bottom plate and used for supporting between the product to be measured and the transparent bottom plate.

The transparent bottom plate is used for being connected with the measuring machine so that the measuring machine can measure the size of a product to be measured through the transparent bottom plate, the transparent bottom plate is prevented from shielding the product to be measured, and the stable measurement process is ensured; meanwhile, the transparent bottom plate is favorable for providing mounting positions for the limiting blocks and the supporting columns on the surface of one side, far away from the measuring machine, of the transparent bottom plate, and the use reliability of the limiting blocks and the supporting columns is guaranteed. At least two limiting blocks in the plurality of limiting blocks are different in length, limiting blocks with different lengths are beneficial to limiting and fixing products to be measured in irregular shapes, and the position stability of the products to be measured in the size measurement process is guaranteed. The measuring area for placing the product to be measured is surrounded by the limiting blocks, the limiting ends of the at least three limiting blocks are in contact with the product to be measured, so that the product to be measured is limited and fixed at the measuring area, limiting points on the product to be measured are increased by adopting the at least three limiting blocks, the limiting strength of the limiting blocks on the product to be measured is increased, the situation that the product to be measured is displaced in the measuring process is avoided, the stability of the product to be measured in the dimension measuring process is guaranteed, and the accuracy of the measuring result is guaranteed. The support column detachably sets up on transparent bottom plate and is used for supporting between measuring product and transparent bottom plate, sets up like this and makes the support column play the effect that supports the product of measuring to measuring, makes support column and a plurality of stopper carry out spacingly to the product of treating measuring from a plurality of directions simultaneously to obtain high accuracy, high reproducibility's measuring result.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 shows a schematic structural view of a tool for measuring the dimensions of a profiled product in accordance with an alternative embodiment of the utility model;

FIG. 2 shows an enlarged partial view of the tool for measuring the size of the shaped product of FIG. 1;

FIG. 3 shows a schematic structural view of the support column of FIG. 1;

FIG. 4 is a schematic diagram of the tool for measuring the size of a profiled product of the present utility model using three-point limiting and conventional positioning to measure the length of the product to be measured;

FIG. 5 shows a schematic diagram of the tool for measuring the size of a profiled product of the present utility model using three-point limiting and conventional positioning to measure the width of the product to be measured;

fig. 6 shows a schematic diagram of the tool for measuring the size of a special-shaped product according to the utility model, using three-point limiting and conventional positioning for R-arc measurement of the product to be measured.

Wherein the above figures include the following reference numerals:

10. a transparent base plate; 11. a plug hole; 21. a first limiting block; 22. a second limiting block; 23. a third limiting block; 30. a support column; 31. a support part; 32. a plug-in part; 33. a limiting ring; 40. a mounting base; 41. a first mounting structure; 42. a second mounting structure; 50. a fixed block; 60. a first direction; 70. a second direction; 80. the product to be measured.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper, lower, top, bottom" are used generally with respect to the orientation shown in the drawings or with respect to the component itself in the vertical, upright or gravitational direction; also, for ease of understanding and description, "inner and outer" refers to inner and outer relative to the profile of each component itself, but the above-mentioned orientation terms are not intended to limit the present utility model.

In order to solve the problems of poor stability and low measurement result precision in the measurement of the size of the special-shaped product in the prior art, the utility model provides a tool for measuring the size of the special-shaped product.

As shown in fig. 1 to 6, the tool for measuring the size of the special-shaped product comprises a transparent bottom plate 10, a limiting block and a supporting column 30, wherein the transparent bottom plate 10 is used for being connected with a measuring machine; the limiting blocks are connected with the transparent bottom plate 10, the number of the limiting blocks is multiple, the lengths of at least two limiting blocks in the plurality of limiting blocks are different, the plurality of limiting blocks enclose a measuring area for placing a product 80 to be measured, and the limiting ends of the at least three limiting blocks are contacted with the product 80 to be measured so as to limit the product 80 to be measured at the measuring area; the support columns 30 are detachably provided on the transparent base plate 10 and serve to be supported between the product 80 to be measured and the transparent base plate 10.

The transparent bottom plate 10 is used for being connected with a measuring machine so that the measuring machine can measure the size of the product 80 to be measured through the transparent bottom plate 10, the transparent bottom plate 10 is prevented from shielding the product 80 to be measured, and the stable measurement process is ensured; meanwhile, the surface of one side of the transparent bottom plate 10 far away from the measuring machine is beneficial to providing mounting positions for the limiting block and the supporting column 30, and the use reliability of the limiting block and the supporting column 30 is ensured. The lengths of at least two limiting blocks in the plurality of limiting blocks are different, limiting blocks with different lengths are beneficial to limiting and fixing the irregularly-shaped product 80 to be measured, and the position stability of the product 80 to be measured in the size measurement process is guaranteed. The measuring area for placing the product 80 to be measured is enclosed by a plurality of limiting blocks, the limiting ends of at least three limiting blocks are in contact with the product 80 to be measured, so that the product 80 to be measured is limited at the measuring area, limiting fixation is carried out on the product 80 to be measured by adopting at least three limiting blocks, limiting points on the product 80 to be measured are increased, limiting strength of the product 80 to be measured by the limiting blocks is increased, displacement of the product 80 to be measured in the measuring process is avoided, stability of the product 80 to be measured in the measuring process is guaranteed, and accuracy of measuring results is guaranteed. The support column 30 is detachably arranged on the transparent bottom plate 10 and used for supporting the product 80 to be measured and the transparent bottom plate 10, and the support column 30 plays a role in supporting the product 80 to be measured through the arrangement, and meanwhile, the support column 30 and the limiting blocks can limit the product 80 to be measured from multiple directions, so that a high-precision and high-repeatability measurement result is obtained.

It should be noted that the present utility model is a tool for irregular shape and special shape of the product 80 to be measured. The product 80 to be measured is generally in the form of a sheet, and the product 80 to be measured may be a glass sheet or other shaped structures. Three-point positioning is provided for the product 80 to be measured through at least three limiting blocks, and dimensional measurement of products with different shapes and different sizes can be realized through the assistance of the supporting columns 30.

It is also to be noted that the lengths of the different limiting blocks can be selected according to the specific measured sizes of the special-shaped products, so that the limiting ends of the limiting blocks can be ensured to be stably contacted with the outer periphery of the special-shaped products, and the limiting stability of the limiting blocks to the special-shaped products is ensured.

As shown in fig. 1 and 2, the transparent base plate 10 has a rectangular shape, and the first direction 60 and the second direction 70 are parallel to a set of two sides of the rectangular transparent base plate 10, which are perpendicular to each other, respectively; the first direction 60 is perpendicular to the second direction 70, the plurality of limiting blocks are arranged at least along the first direction 60 and the second direction 70, at least one limiting block is arranged in the first direction 60, and at least two limiting blocks are arranged at intervals in the second direction 70. The setting makes one side of the product 80 to be measured limited by one limiting block, and the other side of the product 80 to be measured is limited by two limiting blocks, so that the three limiting blocks respectively position the product 80 to be measured from different directions, thereby realizing three-point fixation of the product 80 to be measured and ensuring the state stability of the product 80 to be measured in the subsequent size measurement process.

It should be noted that, the positioning accuracy of the product 80 to be measured by the limiting block is not greater than 0.005mm. In addition, the number of the stoppers in the first direction 60 and the second direction 70 may be increased, for example, two or more stoppers may be disposed in the first direction 60 and the second direction 70, and may be selected according to practical situations, but the requirement of high-precision positioning may be satisfied by adopting at least three stoppers of the present utility model to be disposed on two sides of the product 80 to be measured respectively.

As shown in fig. 1, the tool for measuring the size of the special-shaped product further comprises a mounting seat 40, wherein the mounting seat 40 is fixedly connected with the transparent bottom plate 10 and is positioned on the outer peripheral side of the transparent bottom plate 10, and the limiting block is connected with the transparent bottom plate 10 through the mounting seat 40, that is to say, the limiting block is actually arranged on the mounting seat 40. Thus, the mounting seat 40 provides a mounting position for the limiting block, which is beneficial to improving the use reliability of the limiting block.

Specifically, in the embodiment of the present utility model, the stopper is integrally formed with the mounting seat 40; the limiting block is beneficial to limiting the same product 80 to be measured in a targeted manner, and positioning accuracy is improved, so that high-accuracy and high-repeatability measurement results are obtained.

In other alternative embodiments of the present utility model, the stopper is detachably disposed on the mounting seat 40, a plurality of mounting grooves are disposed on the mounting seat 40 at intervals, the stopper has mounting protrusions corresponding to the mounting grooves, and the plurality of stoppers are selectively mounted at part of the mounting grooves through the cooperation of the mounting protrusions and the mounting grooves, so that the stoppers with different lengths can be replaced and the positions of the stoppers on the mounting seat 40 can be adjusted, so that the corresponding stoppers with different lengths can be selected for the products 80 with different shapes to be measured, so as to ensure that the plurality of stoppers can be stably contacted with the outer periphery of the products 80 to be measured, and ensure the reliability of the stoppers, but the manner in which the stopper and the mounting seat 40 are integrally formed is relatively high in accuracy with respect to the manner in which the stopper is detachable.

In other alternative embodiments of the present utility model, the stopper position is adjustably positioned on the mounting block 40. The mounting seat 40 is provided with a slideway along the extending direction, the limiting block is slidably arranged on the slideway through a sliding block, and when the limiting block slides to a position corresponding to the product 80 to be measured, the limiting block is fixed on the slideway through a bolt so as to realize the position fixation of the limiting block.

As shown in fig. 1 and 2, the plurality of stoppers include a first stopper 21, a second stopper 22 and a third stopper 23, the mount 40 includes a first mount structure 41 and a second mount structure 42 vertically connected, one of the first mount structure 41 and the second mount structure 42 is provided with the first stopper 21, and the other of the first mount structure 41 and the second mount structure 42 is provided with the second stopper 22 and the third stopper 23 at intervals. For example, in the embodiment shown in fig. 2, the first mounting structure 41 extends along the first direction 60, the second mounting structure 42 extends along the second direction 70, the first stopper 21 is disposed on the first mounting structure 41, the second stopper 22 and the third stopper 23 are disposed on the second mounting structure 42 at intervals, so that the left side of the product 80 to be measured is limited by the first stopper 21, and the upper side of the product 80 to be measured is limited by the second stopper 22 and the third stopper 23 disposed at intervals, and simultaneously, the support of the support column 30 is matched to stabilize the product 80 to be measured to a fixed column for facilitating subsequent dimension measurement.

As shown in fig. 2, the width of the protruding portion of the stopper gradually decreases toward the direction approaching the measurement area. So that the limiting end of the limiting block is in line contact or smaller area surface contact with the outer periphery of the product 80 to be measured, the force of the product 80 to be measured by the limiting block is more concentrated, and the limiting strength is ensured.

Optionally, the tool for measuring the size of the special-shaped product further includes an auxiliary positioning structure (not shown in the drawings), the auxiliary positioning structure is mounted on the first mounting structure 41 of the mounting seat 40, and the auxiliary positioning structure is located on a side of the first limiting block 21 away from the second mounting structure 42, and a positioning end of the auxiliary positioning structure extends toward the measuring area, so that the positioning end is used for supporting a side of the product 80 to be measured, where the limiting block is not disposed, that is, when the auxiliary positioning structure is disposed, the positioning end of the auxiliary positioning structure contacts with an underside of the product 80 to be measured in fig. 2. The positioning of the product 80 to be measured is further enhanced through the cooperation of the limiting block and the auxiliary positioning structure, positioning accuracy is guaranteed, and further accuracy of subsequent size measurement is guaranteed.

As shown in fig. 1 and 2, the transparent base plate 10 has a plurality of insertion holes 11 for inserting the support columns 30, the support columns 30 and the insertion holes 11 are each plural, and the plurality of support columns 30 are selectively inserted at part of the insertion holes 11. The support column 30 comprises a support part 31 and an inserting part 32, wherein one end of the support part 31 is provided with an arc-shaped support surface which is used for being abutted with a product 80 to be measured; the plug-in portion 32 is connected with the other end of the supporting portion 31, a limiting ring 33 is arranged at the connection position of the plug-in portion 32 and the supporting portion 31, and when the plug-in portion 32 is plugged in the plug-in hole 11, the limiting ring 33 is abutted with the transparent bottom plate 10. Through setting up the arc holding surface, can guarantee on the one hand that support column 30 treats the steady support of measuring product 80, on the other hand avoided support column 30 to treat damage or the mar of measuring product 80, be favorable to guaranteeing to await measuring the outward appearance preferred of measuring product 80. When the support column 30 is inserted into the insertion hole 11, the risk of up-and-down movement and shaking of the support column 30 is avoided greatly due to the arrangement of the limiting ring 33, so that the assembly stability of the support column 30 and the insertion hole 11 is ensured, and the reliability of the support column 30 for supporting the product 80 to be measured is further ensured.

Specifically, the height of the support column 30 is 5mm or more. The support column 30 is made of plastic or teflon. The transparent base is made of PMMA, and the distance between two adjacent plug holes 11 in the plurality of plug holes 11 is more than or equal to 5mm and less than or equal to 50mm.

As shown in fig. 1, the tool for measuring the size of the special-shaped product further includes a fixing block 50, the fixing block 50 is disposed at the outer peripheral side of the transparent base plate 10, and at least two sides of the transparent base plate 10 are provided with the fixing blocks 50, and the transparent base plate 10 is used for being connected with a measuring machine through the fixing blocks 50. In the embodiment of the present utility model, there are two fixing blocks 50, one fixing block 50 is disposed on the transparent base plate 10 on the side of the first mounting structure 41 away from the second mounting structure 42, and the other fixing block 50 is disposed on the transparent base plate 10 on the side of the second mounting structure 42 away from the first mounting structure 41.

As shown in fig. 4 to 6, measurement results of dimensional measurement of the same sheet of the product 80 to be measured by the three-point limiting method and the conventional two-point positioning method of the tool for measuring the size of the irregularly shaped product according to the present utility model are shown. Fig. 4 to 6 show schematic diagrams for measuring the long dimension, the wide dimension and the R-arc dimension of the product 80 to be measured, respectively. The measurement results are shown in the following table 1:

TABLE 1

From the measurement results shown in table 1 above, it can be concluded that the measurement values obtained by conventional positioning fluctuate greatly; the three-point limiting mode of the tool for measuring the size of the special-shaped product has the advantages of small fluctuation of the obtained test value, and better test accuracy and stability.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A tool for measuring the dimensions of a profiled product, comprising:

the transparent base plate (10) is used for being connected with the measuring machine;

the limiting blocks are connected with the transparent bottom plate (10), the number of the limiting blocks is multiple, the lengths of at least two limiting blocks in the multiple limiting blocks are different, the multiple limiting blocks enclose a measuring area for placing a product (80) to be measured, and the limiting ends of at least three limiting blocks are in contact with the product (80) to be measured so as to limit the product (80) to be measured at the measuring area;

the support column (30), the support column (30) detachably sets up on transparent bottom plate (10) and is used for supporting between product (80) and the transparent bottom plate (10) of awaiting measuring.

2. Tool for measuring the dimensions of profiled products according to claim 1, characterized in that a plurality of said stoppers are arranged at least in a first direction (60) and in a second direction (70), said first direction (60) being perpendicular to said second direction (70), at least one of said stoppers being arranged in said first direction (60) and at least two of said stoppers being arranged at intervals in said second direction (70).

3. Tool for measuring the dimensions of profiled products according to claim 1, characterized in that it further comprises a mounting seat (40), said mounting seat (40) being fixedly connected to said transparent base plate (10) and being located on the peripheral side of said transparent base plate (10), said stopper being connected to said transparent base plate (10) by means of said mounting seat (40).

4. A tool for measuring the dimensions of a shaped product according to claim 3,

the limiting block and the mounting seat (40) are integrally formed; or alternatively

The limiting block is detachably arranged on the mounting seat (40); or alternatively

The limiting block is adjustably arranged on the mounting seat (40).

5. A tool for measuring a special-shaped product size according to claim 3, wherein a plurality of the stoppers include a first stopper (21), a second stopper (22) and a third stopper (23), the mount (40) includes a first mounting structure (41) and a second mounting structure (42) vertically connected, one of the first mounting structure (41) and the second mounting structure (42) is provided with the first stopper (21), and the other of the first mounting structure (41) and the second mounting structure (42) is provided with the second stopper (22) and the third stopper (23) at an interval.

6. Tool for measuring the dimensions of profiled products according to claim 1, characterized in that the width of the protruding portion of the stopper decreases gradually towards the direction approaching the measuring area.

7. A tool for measuring the dimensions of profiled products according to claim 3, characterized in that it further comprises an auxiliary positioning structure connected to the mounting seat (40), the positioning end of which projects towards the measuring area, so that the positioning end is intended to support the side of the product (80) to be measured where the limit stop is not provided.

8. Tool for measuring the dimensions of profiled products according to claim 1, characterized in that the transparent base plate (10) has a plug-in hole (11) for plugging in the support column (30), the support column (30) and the plug-in hole (11) being each plural, and a plurality of the support columns (30) being selectively plugged at a part of the plug-in holes (11), the support columns (30) comprising:

a support portion (31), wherein one end of the support portion (31) is provided with an arc-shaped support surface, and the arc-shaped support surface is used for abutting against the product (80) to be detected;

the plug-in part (32), plug-in part (32) with the other end of supporting part (31) is connected, plug-in part (32) with the hookup location department of supporting part (31) is provided with spacing ring (33), when plug-in part (32) are pegged graft in spliced eye (11), spacing ring (33) with transparent bottom plate (10) butt.

9. Tool for measuring the dimensions of profiled products according to claim 1, characterized in that the height of the support columns (30) is 5mm or more.

10. Tool for measuring a special-shaped product size according to any one of claims 1 to 9, characterized in that the tool for measuring a special-shaped product size further comprises a fixing block (50), the fixing block (50) being provided on the outer peripheral side of the transparent base plate (10), and at least both sides of the transparent base plate (10) being provided with the fixing blocks (50), the transparent base plate (10) being for connection with the measuring machine by means of the fixing blocks (50).