CN220751092U - Medicinal glass tube laser diameter detector and calibration auxiliary device thereof - Google Patents

Abstract

The utility model discloses a medicinal glass tube laser diameter detector and a calibration auxiliary device thereof, wherein the medicinal glass tube laser diameter detector comprises a main body and supporting wheels (1), the main body comprises a bottom plate (3) and two supporting components (2) extending upwards from two ends of the bottom plate (3), and the two supporting wheels (1) are respectively arranged on the two supporting components (2); the bottom plate (3) is arranged on the detection platform (10) between the laser emitting component (20) and the receiving component of the laser diameter detector; the distance between the two supporting wheels (1) is smaller than the length of the standard rod; the two support assemblies (2) have a height that enables the laser light emitted by the laser light receiving assembly (30) to pass between the two support wheels (1). According to the utility model, the standard rod can be stably supported between the laser transmitting assembly and the laser receiving assembly of the detector by arranging the calibration auxiliary device, the arrangement mode is simple, and the standard rod is stably arranged during the calibration operation, so that the calibration of the detector is quick, accurate and reliable.

Description

Medicinal glass tube laser diameter detector and calibration auxiliary device thereof

Technical Field

The utility model relates to the technical field of detection of medicinal glass tubes, in particular to a medicinal glass tube laser diameter detector and a calibration auxiliary device thereof.

Background

For pharmaceutical glass manufacturing, it is common for glass tubing to be used in daily life, with the diameter of the glass tubing being one of the major dimensions of the glass tubing, which is very important to the pharmaceutical glass manufacturing plant. There are many available domestic laser diameter detectors for glass tube for medical use. For example, patent application No. 202221127135.0 discloses a glass tube diameter detection device, which specifically discloses a main body provided with a fixing component for installing a glass tube and a detection component for detecting the diameter of the glass tube, wherein the glass tube installed to the fixing component and the detection component can relatively move along the length direction of the glass tube, so that the detection component can detect the diameters of different positions of the glass tube in the length direction. The detection component comprises a transmitting piece and a receiving piece which are oppositely arranged on two sides of the glass tube, and the transmitting piece and the receiving piece are respectively arranged on the main body through a bracket. The calibration of the diameter detector is generally performed by using a calibrated precision standard rod provided by a manufacturer, in the calibration process, the standard rod needs to be held by hand, the standard rod is arranged between the transmitting part and the receiving part, the calibration is performed by adjusting the reading of the detection device to the diameter of the standard rod, and the display value is extremely unstable due to the calibration performed by holding the standard rod by hand, so that the reading error is easily caused, and the calibration is inaccurate.

Based on this, the prior art still remains to be improved.

Disclosure of Invention

In order to solve the technical problems, the embodiment of the utility model provides a medical glass tube laser diameter detector and a calibration auxiliary device thereof, which are used for solving the problems existing in the calibration of the medical glass tube laser diameter detector in the prior art.

In order to solve the technical problems, on the one hand, some embodiments of the utility model disclose a calibration auxiliary device of a medical glass tube laser diameter detector, which comprises a main body and supporting wheels, wherein the main body comprises a bottom plate and two supporting components extending upwards from two ends of the bottom plate, and the two supporting wheels are respectively arranged on the two supporting components;

the bottom plate is arranged on the detection platform between the laser transmitting component and the receiving component of the laser diameter detector;

the distance between the two supporting wheels is smaller than the length of the standard rod;

the two support assemblies have a height that enables laser light emitted by the laser light receiving assembly to pass between the two support wheels.

In some embodiments, the support assembly comprises a first support rod and a second support rod which are arranged in parallel, and the support wheel is fixedly arranged at the upper ends of the first support rod and the second support rod;

the lower ends of the first support rod and the second support rod are fixedly connected with the end part of the bottom plate.

In some embodiments, the body is a unitary structure.

In some embodiments, the support wheel increases in diameter from the middle to the ends in the axial direction.

In some embodiments, the support wheels are rubber.

In some embodiments, the first support rod is provided with a first mounting hole at the upper part, the second support rod is provided with a second mounting hole at the upper part, and the central lines of the first mounting hole and the second mounting hole are on the same straight line; the two ends of the supporting wheel are respectively fixed with the first mounting hole and the second mounting hole.

In some embodiments, two ends of the supporting wheel are respectively provided with an extension shaft, the upper part of the first supporting rod is provided with a first mounting groove, the upper part of the second supporting rod is provided with a second mounting groove, and the central lines of the first mounting groove and the second mounting groove are on the same straight line;

the end parts of the two extension shafts are respectively accommodated in the first mounting groove and the second mounting groove, and the screws penetrate through the bottoms of the first mounting groove and the second mounting groove and are fixed at the end parts of the extension shafts.

In some embodiments, a positioning groove is further formed in the lower surface of the bottom plate, and the width of the positioning groove is the same as that of the detection platform; and the length direction of the positioning groove is parallel to the axis of the supporting wheel.

In some embodiments, the device further comprises a limit rod, and the lower end of the bottom plate is clamped on the detection platform through the limit rod.

In some embodiments, the limit lever comprises a connecting plate, a first limit plate, a telescopic rod, a tension spring, a positioning ring, and a second limit plate,

the first end of the connecting plate is fixedly connected with one end of the bottom plate and extends towards the direction away from the bottom plate, and the upper end of the first limiting plate is connected with the second end of the connecting plate and extends downwards from the second end of the connecting plate;

the lower surface of the bottom plate is provided with a through groove penetrating through two ends of the bottom plate, the positioning ring is fixed at one end of the through groove far away from the first limiting plate, the lower surface of the connecting plate is higher than the bottom of the through groove, the telescopic rod is arranged in the through groove and penetrates through the positioning ring, one end of the telescopic rod is fixedly connected with one surface of the first limiting plate, which is close to the bottom plate, the telescopic rod is sleeved with a tension spring, two ends of the tension spring are respectively connected with two ends of the telescopic rod, and the other end of the telescopic rod is fixedly connected with the second limiting plate;

and the second limiting plate and the first limiting plate are relatively arranged in parallel, and in a free state, the upper part of the second limiting plate is tightly abutted against the end part of the bottom plate by the extension spring.

On the other hand, the embodiment of the utility model also discloses a medical glass tube laser diameter detector, which comprises a laser emission component, a laser receiving component, a detection platform and the medical glass tube laser diameter detector calibration auxiliary device; the detection platform is positioned between the laser emission component and the laser receiving component;

the bottom plate is arranged on the detection platform, so that laser emitted by the laser receiving assembly can pass through between the two supporting wheels.

In some embodiments, the glass tube inspection device further comprises a detection piece fixing assembly, wherein the detection piece fixing assembly comprises two symmetrically arranged bearing assemblies respectively arranged at two sides of the detection platform, each bearing assembly comprises an L-shaped supporting piece and a bearing roller, one end of each L-shaped supporting piece is fixed at the side part of the detection platform, the other end of each L-shaped supporting piece is rotatably provided with the corresponding bearing roller, and the middle part of each bearing roller is provided with a placement groove for placing a glass tube to be inspected;

and, the laser that laser receiving assembly sent can pass the midpoint of two bearing gyro wheel lines.

By adopting the technical scheme, the utility model has at least the following beneficial effects:

according to the medical glass tube laser diameter detector and the calibration auxiliary device thereof, the calibration auxiliary device is arranged, so that the standard rod can be stably supported between the laser emitting component and the laser receiving component of the detector, the arrangement mode is simple, the standard rod is stably arranged during the calibration operation, and the calibration of the detector is quick, accurate and reliable.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a calibration assisting device for a laser diameter detector for a glass tube for medical use according to some embodiments of the present utility model;

FIG. 2 is a side view of a medical glass tube laser diameter detector calibration aid according to some embodiments of the present utility model;

FIG. 3 is a top view of a calibration aid for a medical glass tube laser diameter monitor according to some embodiments of the present utility model;

FIG. 4 is a front view of a calibration aid for a medical glass tube laser diameter monitor according to some embodiments of the present utility model;

FIG. 5 is a bottom view of a medical glass tube laser diameter detector calibration aid according to some embodiments of the present utility model;

FIG. 6 is a diagram showing the use of a calibration aid for a glass tube laser diameter detector for medical use according to some embodiments of the present utility model;

fig. 7 is a schematic diagram of a laser diameter detector for a glass tube for medical use according to some embodiments of the present utility model.

Reference numerals illustrate:

1. a support wheel; 2. a support assembly; 3. a bottom plate; 11. an extension shaft; 21. a first support bar; 22. a second support bar; 31. a through groove; 32. a positioning ring; 33. a telescopic rod; 34. a first limiting plate; 35. a second limiting plate; 37. a connecting plate;

10. a detection platform; 20. a laser emitting assembly; 30. a laser receiving assembly; 40. and calibrating the auxiliary device.

Detailed Description

Embodiments of the present disclosure are described in further detail below with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the disclosure and not to limit the scope of the disclosure, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but rather to include all technical solutions falling within the scope of the claims.

The present disclosure provides these embodiments in order to make the present disclosure thorough and complete, and fully convey the scope of the disclosure to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.

In the description of the present disclosure, unless otherwise indicated, the meaning of "plurality" is greater than or equal to two; the terms "upper," "lower," "left," "right," "inner," "outer," and the like indicate an orientation or positional relationship merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present disclosure. When the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.

Furthermore, the use of the terms first, second, and the like in this disclosure do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements.

It should also be noted that, in the description of the present disclosure, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in the present disclosure may be understood as appropriate by those of ordinary skill in the art. When a particular device is described as being located between a first device and a second device, there may or may not be an intervening device between the particular device and either the first device or the second device.

All terms used in the present disclosure have the same meaning as understood by one of ordinary skill in the art to which the present disclosure pertains, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification.

As shown in fig. 1 to 7, some embodiments of the present utility model disclose a calibration aid 40 for a glass tube laser diameter detector for medical use, which comprises a main body including a base plate 3 and two support members 2 extending upward from both ends of the base plate 3, and support wheels 1 mounted on the two support members 2, respectively; the base plate 3 is arranged on the detection platform 10 between the laser emitting component 20 and the laser receiving component 30 of the laser diameter detector; the distance between the two supporting wheels 1 is smaller than the length of the standard rod; the two support assemblies 2 have a height enabling the laser light emitted from the laser light receiving assembly 30 to pass between the two support wheels 1. When the laser diameter detector is used, the standard rod is arranged on the two supporting wheels 1, the laser emitting assembly 20 is opened, the diameter value of the standard rod is read by the laser receiving assembly 30, and the reading of the laser diameter detector is calibrated according to the actual value of the standard rod.

The calibration auxiliary device 40 disclosed by the utility model can stably support the standard rod between the laser emitting component 20 and the laser receiving component 30 of the detector, is simple in arrangement mode, and can stably arrange the standard rod during the calibration operation, so that the calibration of the detector is quick, accurate and reliable.

In order to make the support of the standard rod more stable and reliable, the embodiment of the utility model provides a structure of a support assembly 2 with simple structure and stable and reliable, and specifically, the support assembly 2 may include a first support rod 21 and a second support rod 22 arranged in parallel, and the support wheel 1 is fixedly mounted at the upper ends of the first support rod 21 and the second support rod 22, as shown in fig. 2; the lower ends of the first support bar 21 and the second support bar 22 are fixedly connected with the end part of the bottom plate 3. Meanwhile, to make the manufacturing cost of the entire calibration assistance device 40 lower, the main body may be of a unitary structure. In this embodiment, two support rods are used to respectively fixedly support two ends of the support wheel 1. The support rod and the support wheel 1 can be fixed by screws or can be connected by gluing. Furthermore, in order to facilitate the support of the standard rod, the standard rod can be stably placed on the support wheel 1, and in some embodiments, the support wheel 1 gradually increases in diameter from the middle to both ends in the axial direction. After the supporting wheel 1 is put down, the supporting wheel can automatically enter the concave of the middle part under the action of gravity, so that the supporting wheel is stable and reliable. The supporting wheel 1 can be made of rubber material, so that the standard rod is prevented from being damaged.

Some embodiments of the utility model also disclose a calibration auxiliary device 40 of the laser diameter detector of the medical glass tube, which adopts a new installation mode of the supporting wheel 1. Specifically, a first mounting hole is formed in the upper portion of the first support rod 21, a second mounting hole is formed in the upper portion of the second support rod 22, and the center lines of the first mounting hole and the second mounting hole are on the same straight line; the two ends of the supporting wheel 1 are respectively fixed with the first mounting hole and the second mounting hole. When the support wheel is used, the extension shafts 11 at the two ends of the support wheel 1 are respectively inserted into the first mounting hole and the second mounting hole, so that fixation can be realized. The extension shaft 11 may or may not extend from the first and second mounting holes.

In other embodiments, the two ends of the supporting wheel 1 are respectively provided with an extension shaft 11, the upper part of the first supporting rod 21 is provided with a first mounting groove, the upper part of the second supporting rod 22 is provided with a second mounting groove, and the central lines of the first mounting groove and the second mounting groove are on the same straight line; the end parts of the two extension shafts 11 are respectively accommodated in the first mounting groove and the second mounting groove, and screws penetrate through the bottoms of the first mounting groove and the second mounting groove and are fixed at the end parts of the extension shafts 11. The setting of first mounting groove and second mounting groove combines the screw fixation, in the installation, not only can fix the position of supporting wheel 1 more easily, and the fixed mode of screw fixation, stability is stronger.

Some embodiments of the present utility model also disclose a calibration auxiliary device 40 for a laser diameter detector for a glass tube for medical use, which is based on the above embodiments, in order to further increase the stability of the calibration auxiliary device 40 when mounted on the detection platform 10. Specifically, a positioning groove is formed in the lower surface of the bottom plate 3, and the width of the positioning groove is the same as that of the detection platform 10; and the length direction of the positioning groove is parallel to the axis of the supporting wheel 1.

In other embodiments, the fixing is realized by arranging two limiting plates at two ends to tightly prop against two outer side walls of the detection platform 10, namely, the detection platform further comprises a limiting rod piece, and the lower end of the bottom plate 3 is clamped on the detection platform 10 through the limiting rod piece. Specifically, as shown in fig. 5, the limit lever may include a connection plate 37, a first limit plate 34, a telescopic rod 33, a tension spring, a positioning ring 32, and a second limit plate 35, wherein a first end of the connection plate 37 is fixedly connected with one end of the bottom plate 3 and extends in a direction away from the bottom plate 3, and an upper end of the first limit plate 34 is connected with a second end of the connection plate 37 and extends downward from the second end of the connection plate 37; the lower surface of the bottom plate 3 is provided with a through groove 31 penetrating through two ends of the bottom plate 3, a positioning ring 32 is fixed at one end of the through groove 31 far away from the first limiting plate 34, the lower surface of a connecting plate 37 is higher than the bottom of the through groove 31, a telescopic rod 33 is arranged in the through groove 31 and penetrates through the positioning ring 32, one end of the telescopic rod 33 is fixedly connected with one surface of the first limiting plate 34, which is close to the bottom plate 3, a stretching spring (not shown in the figure) is sleeved on the telescopic rod 33, or the telescopic rod 33 is hollow, the stretching spring is arranged in a hollow cavity, two ends of the stretching spring are respectively connected with two ends of the telescopic rod 33, and the other end of the telescopic rod 33 is fixedly connected with the second limiting plate 35; the second limiting plate 35 is arranged in parallel with the first limiting plate 34, and the tension spring makes the upper portion of the second limiting plate 35 abut against the end portion of the bottom plate 3 in a free state, as shown in fig. 4.

When the device is used, the second limiting plate 35 is pulled, the tension spring is stretched, the distance between the first limiting plate 34 and the second limiting plate 35 is increased, as shown in fig. 6, the bottom plate 3 is placed on the detection platform 10, then the second limiting plate 35 is released, under the action of the tension spring, the second limiting plate 35 moves towards the direction close to the first limiting plate 34, and finally the first limiting plate 34 and the second limiting plate 35 clamp the detection platform 10. And fixing is realized.

As shown in fig. 7, some embodiments of the present utility model disclose a medical glass tube laser diameter detector, which comprises a laser emitting assembly 20, a laser receiving assembly 30, a detection platform 10 and the aforementioned medical glass tube laser diameter detector calibration auxiliary device 40; wherein the detection platform 10 is positioned between the laser emitting assembly 20 and the laser receiving assembly 30; the base plate 3 is arranged on the detection platform 10, so that the laser emitted by the laser receiving assembly 30 can pass through between the two support wheels 1. Before the detection of the medicinal glass tube, the calibration auxiliary device 40 is firstly arranged on the detection platform 10, the detector is calibrated, a specific calibration operation method adopts a current conventional mode, and only the hand-held standard rod is changed into the hand-held standard rod to be arranged on the calibration auxiliary device 40. In addition, in order to facilitate the arrangement of the glass tube to be detected, the glass tube detection device further comprises a detection piece fixing component, wherein the detection piece fixing component comprises two symmetrically arranged bearing components which are respectively arranged at two sides of the detection platform 10, the bearing component comprises an L-shaped supporting piece and a bearing roller, one end of the L-shaped supporting piece is fixed at the side part of the detection platform 10, the other end of the L-shaped supporting piece is rotatably provided with the bearing roller, and the middle part of the bearing roller is provided with an arrangement groove for arranging the glass tube to be detected; the laser light emitted from the laser receiving assembly 30 can pass through the midpoint of the line connecting the two backup rollers. The fixing component of the detecting piece can be of a conventional structure in the prior art, and is not described herein. When the glass tube detection device is used, the positions of the glass tube to be detected are detected, and the diameters of the glass tube in different circumferential directions are measured by rotating the glass tube at the same position of the glass tube.

According to some embodiments of the utility model, based on the above embodiments, the auxiliary member main body is made of stainless steel, and has the characteristics of firmness and stability, and because the laser irradiation area is closer to the upper seat surface of the laser diameter meter, the auxiliary member main body is lighter in design size and lighter in use; the left supporting wheel 1 and the right supporting wheel 1 are made of rubber, the purpose of the supporting wheel 1 formed by two truncated cones is to enable the placement of a calibration standard rod to be more stable, the calibration standard rod is not easy to damage, a central shaft (an extension shaft 11) is used for connecting the supporting wheel 1 with a medium of a main body, and the material quality of the central shaft is consistent with that of the supporting wheel 1. The supporting wheel 1 is fixed by adopting a self-tapping screw, which is one of common screws in the market, and is convenient to detach and replace.

The glass tube laser diameter detector calibration step and the auxiliary calibration device use method are as follows:

1. a diameter meter (a medicinal glass tube diameter detector) and a display panel are connected;

2. placing the auxiliary piece on a detection platform of the detector;

3. when the numerical value of the display screen stably displays 0, placing a standard rod or pipe with a known outer diameter on the supporting wheel;

4. the display screen numbers are read to see if the calibration is consistent with standard rod or tube sizes of known outer diameters.

Thus, various embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concepts of the present disclosure, some details known in the art are not described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.

Although some specific embodiments of the present disclosure have been described in detail by way of example, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the disclosure. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.

Claims (10)

1. The auxiliary device for calibrating the medical glass tube laser diameter detector is characterized by comprising a main body and supporting wheels (1), wherein the main body comprises a bottom plate (3) and two supporting components (2) extending upwards from two ends of the bottom plate (3), and the two supporting wheels (1) are respectively arranged on the two supporting components (2);

the bottom plate (3) is arranged on a detection platform (10) between a laser emitting component (20) and a laser receiving component of the laser diameter detector;

the distance between the two supporting wheels (1) is smaller than the length of the standard rod;

the two support assemblies (2) have a height enabling the laser light emitted by the laser light receiving assembly (30) to pass between the two support wheels (1).

2. The auxiliary device for calibrating the medical glass tube laser diameter detector according to claim 1, wherein the supporting component (2) comprises a first supporting rod (21) and a second supporting rod (22) which are arranged in parallel, and the supporting wheel (1) is fixedly arranged at the upper ends of the first supporting rod (21) and the second supporting rod (22);

the lower ends of the first supporting rod (21) and the second supporting rod (22) are fixedly connected with the end part of the bottom plate (3).

3. The auxiliary device for calibrating a laser diameter detector for a glass tube for medical use according to claim 1 or 2, wherein the main body is of a unitary structure.

4. A device for assisting in calibrating a laser diameter detector for a glass tube for medical use according to claim 1, wherein the supporting wheel (1) is gradually increased in diameter from the middle to both ends in the axial direction.

5. The auxiliary device for calibrating the laser diameter detector of the medical glass tube according to claim 1, wherein the supporting wheel (1) is made of rubber.

6. The auxiliary device for calibrating the medical glass tube laser diameter detector according to claim 2, wherein two ends of the supporting wheel (1) are respectively provided with an extension shaft (11), a first mounting groove is formed in the upper part of the first supporting rod (21), a second mounting groove is formed in the upper part of the second supporting rod (22), and the central lines of the first mounting groove and the second mounting groove are on the same straight line;

the end parts of the two extension shafts (11) are respectively accommodated in the first mounting groove and the second mounting groove, and screws penetrate through the bottoms of the first mounting groove and the second mounting groove and are fixed at the end parts of the extension shafts (11).

7. The auxiliary device for calibrating the laser diameter detector of the medical glass tube according to claim 1, further comprising a limit rod, wherein the lower end of the bottom plate (3) is clamped on the detection platform (10) through the limit rod.

8. The auxiliary device for calibrating a laser diameter detector for a glass tube for medical use according to claim 7, wherein the limit lever comprises a connecting plate (37), a first limit plate (34), a telescopic rod (33), a tension spring, a positioning ring (32), and a second limit plate (35),

the first end of the connecting plate (37) is fixedly connected with one end of the bottom plate (3) and extends towards a direction away from the bottom plate (3), and the upper end of the first limiting plate (34) is connected with the second end of the connecting plate (37) and extends downwards from the second end of the connecting plate (37);

the lower surface of the bottom plate (3) is provided with a through groove (31) penetrating through two ends of the bottom plate (3), the positioning ring (32) is fixed at one end, far away from the first limiting plate (34), of the through groove (31), the lower surface of the connecting plate (37) is higher than the bottom of the through groove (31), the telescopic rod (33) is arranged in the through groove (31) and penetrates through the positioning ring (32), one end of the telescopic rod (33) is fixedly connected with one surface, close to the bottom plate (3), of the first limiting plate (34), an extension spring is sleeved on the telescopic rod (33), two ends of the extension spring are respectively connected with two ends of the telescopic rod (33), and the other end of the telescopic rod (33) is fixedly connected with the second limiting plate (35);

and the second limiting plate (35) is arranged in parallel relative to the first limiting plate (34), and in a free state, the extension spring enables the upper part of the second limiting plate (35) to be tightly abutted against the end part of the bottom plate (3).

9. A medical glass tube laser diameter detector, characterized by comprising a laser emitting component (20), a laser receiving component (30), a detection platform (10) and a medical glass tube laser diameter detector calibration auxiliary device (40) according to any one of claims 1-8;

wherein the detection platform (10) is positioned between the laser emitting component (20) and the laser receiving component (30);

the bottom plate (3) is arranged on the detection platform (10) so that laser emitted by the laser receiving assembly (30) can pass through between the two supporting wheels (1).

10. The instrument according to claim 9, further comprising a test piece fixing assembly comprising two symmetrically arranged support members disposed on both sides of the test platform (10), the support members comprising L-shaped support members and support rollers, one end of the L-shaped support members being fixed to the side of the test platform (10) and the other end being rotatably mounted to the support rollers, the middle of the support rollers having a mounting groove for mounting a glass tube to be tested;

and, the laser that the said laser receiving assembly (30) sent can pass the midpoint of the connecting wire of two said bearing rollers.