Air-cooled diameter measuring instrument

Abstract

The utility model relates to the technical field of diameter measuring instruments, and discloses an air cooling type diameter measuring instrument which comprises a base, a transmitting machine body, a receiving machine body and a centrifugal fan, a mounting table is arranged on the side edge of the base, and air inlet pipes communicated with the interiors of the transmitting machine body and the receiving machine body respectively are arranged on the two sides of the lower surface of the base. A connecting hose with one end connected with an air outlet of the centrifugal fan is arranged on the centrifugal fan, two branch pipes connected with the two air inlet pipes respectively are arranged at the end, away from the centrifugal fan, of the connecting hose, and exhaust pipes are arranged on the upper surface of the transmitting machine body and the upper surface of the receiving machine body. The air flow generated in the air outlet of the centrifugal fan can be injected into the transmitter body and the receiver body, and the air flow passing through the transmitter body and the receiver body is discharged from the exhaust pipe, so that the air flow can take away heat in the transmitter body and the receiver body; and finally, components in the transmitter body and the receiver body can be effectively cooled.

Description

Technical Field

[0001] The utility model belongs to the technical field of diameter measuring instruments, and particularly relates to an air-cooled diameter measuring instrument. Background Technique

[0002] A diameter measuring instrument can be used to measure the diameter information of various rolled materials online, and can measure information such as the maximum diameter, minimum diameter, average diameter, and ovality online. The diameter measuring instrument can be roughly divided into a laser scanning diameter measuring instrument, a CCD projection diameter measuring instrument, and a laser diffraction diameter measuring instrument. The first two belong to the optical geometric principle, and the latter uses the laser diffraction principle. The diameter measuring instrument is widely used in various industries such as wire and cable, enameled wire, metal wire, PVC pipe, and medical devices.

[0003] At present, a Chinese patent with the publication number CN217236735U and the publication date of August 19, 2022 discloses a laser diameter measuring instrument, which includes a housing. A through groove for measuring the diameter of a measured object is provided on the housing. Guide wheel groups are provided on both sides of the housing. Each guide wheel group includes two guide wheels. The axes of the two guide wheels are collinear and the axial direction is perpendicular to the length direction of the through groove. Adjusting components for adjusting the distance between the two guide wheels are respectively provided on both sides of the housing. The adjusting components are connected to the guide wheels, and the adjusting components move the guide wheels along the axial direction of the guide wheels.

[0004] The laser diameter measuring instrument measures the diameter of the rolled material to be measured through components such as a laser sensor. During the long-term operation of the laser diameter measuring instrument, the internal optical components are prone to overheating, which will ultimately affect the service life of the laser diameter measuring instrument. Content of the Utility Model

[0005] The purpose of the utility model is to provide an air-cooled diameter measuring instrument that can effectively dissipate heat from the components in the transmitting body and the receiving body.

[0006] The above technical purpose of the utility model is achieved through the following technical solutions: an air-cooled diameter measuring instrument, including a base, a transmitting body located on one side of the base and used for emitting laser, a receiving body located on the other side of the base and used for receiving laser, and also including a centrifugal fan provided on one side of the base. An installation platform for installing the centrifugal fan is provided at the side of the base. Air inlet pipes respectively communicating with the interiors of the transmitting body and the receiving body are provided on both sides of the lower surface of the base. A connecting hose with one end connected to the air outlet of the centrifugal fan is provided on the centrifugal fan. Two branch pipes respectively connected to the two air inlet pipes are provided at the end of the connecting hose away from the centrifugal fan. Exhaust pipes are provided on the upper surfaces of the transmitting body and the receiving body.

[0007] The further setting of the utility model is: a protective airbag cover is provided above the transmitting body and the receiving body.

[0008] A further setting of the present utility model is that docking pipes for docking with the exhaust pipes are provided on both sides of the protective airbag cover, and a plurality of exhaust holes are formed in the circumferential side of the protective airbag cover.

[0009] A further setting of the present utility model is that a blowing nozzle is provided at the lower surface of the protective airbag cover and at a position between the transmitting body and the receiving body.

[0010] A further setting of the present utility model is that a first hoop is provided between the docking pipe and the exhaust pipe.

[0011] A further setting of the present utility model is that a second hoop is provided between the branch pipe and the air inlet pipe.

[0012] In summary, the present utility model has the following beneficial effects:

[0013] 1. When the transmitting body and the receiving body are operating, start the centrifugal fan on the mounting table. One end of the connecting hose is connected to the air outlet of the centrifugal fan. At the same time, two branch pipes respectively connected to the two air inlet pipes are provided at the end of the connecting hose far from the centrifugal fan. At this time, the air flow generated in the air outlet of the centrifugal fan can be poured into the transmitting body and the receiving body, and the air flow passing through the transmitting body and the receiving body is discharged from the exhaust pipe. At this time, the air flow can take away the heat in the transmitting body and the receiving body, and finally the components in the transmitting body and the receiving body can be effectively cooled;

[0014] 2. By using the protective airbag cover provided above the transmitting body and the receiving body, the protective airbag cover can provide anti-collision protection for the upper positions of the transmitting body and the receiving body, thereby reducing the possibility of damage to the transmitting body and the receiving body due to being hit from above;

[0015] 3. The protective airbag cover is docked with the exhaust pipe through the docking pipe, and the air flow discharged from the exhaust pipe can enter the protective airbag cover, so that the protective airbag cover bulges. At the same time, the air flow in the protective airbag cover is discharged along the plurality of exhaust holes on the circumferential side, and finally the protective airbag cover can be kept in a bulging state, so as to provide anti-collision protection for the transmitting body and the receiving body through the protective airbag cover;

[0016] 4. By using the blowing nozzle provided at the lower surface of the protective airbag cover and at a position between the transmitting body and the receiving body, the air flow in the protective airbag cover will be discharged along the blowing nozzle. At this time, the air flow discharged from the blowing nozzle can be sprayed on the surface of the rolled material measured below, and the dust on the surface of the rolled material can be cleaned through the high-speed air flow, and finally it is beneficial to improve the measurement accuracy of the rolled material;

[0017] 5. By using the first hoop provided between the butt joint pipe and the exhaust pipe, the butt joint pipe and the exhaust pipe can be detachably connected at this time, and finally, the rapid disassembly and assembly of the protection airbag cover can be facilitated.

[0018] 6. By using the second hoop provided between the branch pipe and the air inlet pipe, the branch pipe and the air inlet pipe can be detachably connected at this time, and finally, the rapid disassembly and assembly between the branch pipe and the air inlet pipe can be facilitated. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 It is a schematic plan view of the structure of the present invention.

[0021] In the figure, 1, base; 11, mounting table; 12, air inlet pipe; 2, transmitting body; 3, receiving body; 4, centrifugal fan; 5, connecting hose; 51, branch pipe; 6, exhaust pipe; 7, protection airbag cover; 71, butt joint pipe; 72, exhaust hole; 73, injection nozzle; 8, first hoop; 9, second hoop. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The following will clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0023] An air-cooled diameter measuring instrument, referring to Figure 1 , this air-cooled diameter measuring instrument includes a base 1, a transmitting body 2, a receiving body 3 and a centrifugal fan 4. Among them, the transmitting body 2 is installed on one side of the base 1 by bolts, and the receiving body 3 is also installed on the other side of the base 1 by bolts. At the same time, the transmitting body 2 emits an optical signal, and the receiving body 3 receives the optical signal. The rolled material to be measured is located at the position between the transmitting body 2 and the receiving body 3. The diameter of the rolled material is calculated by using the rolled material to block a part of the light.

[0024] Referring to Figure 1, the centrifugal fan 4 is located on one side of the base 1, and an installation platform 11 for the centrifugal fan 4 to be fixed by bolts is integrally provided at the side of the base 1; both sides of the lower surface of the base 1 are fixed by bolts with air inlet pipes 12 respectively communicating with the inside of the transmitting body 2 and the receiving body 3, and one end of a connecting hose 5 is provided on the centrifugal fan 4 and is connected to the air outlet of the centrifugal fan 4 by bolts. At the same time, two branch pipes 51 respectively connected to the two air inlet pipes 12 are integrally provided at the end of the connecting hose 5 far away from the centrifugal fan 4, and a second hoop 9 is provided between the branch pipe 51 and the air inlet pipe 12.

[0025] Refer to Figure 1 , on the upper surfaces of the transmitting body 2 and the receiving body 3, air discharge pipes 6 communicating with the inside of the transmitting body 2 and the receiving body 3 are fixed by bolts. A protective airbag cover 7 is arranged above the transmitting body 2 and the receiving body 3. At both sides of the protective airbag cover 7, butt pipes 71 docked with the air discharge pipes 6 are integrally provided. A first hoop 8 is provided between the butt pipe 71 and the air discharge pipe 6. At the same time, a plurality of exhaust holes 72 are formed in the circumferential side of the protective airbag cover 7, and the plurality of exhaust holes 72 are evenly spaced along the circumferential side of the protective airbag cover 7; a blowing nozzle 73 for blowing downward air flow is integrally provided on the lower surface of the protective airbag cover 7, and the blowing nozzle 73 is located at the position between the transmitting body 2 and the receiving body 3.

[0026] Principle: When the transmitting body 2 and the receiving body 3 are operating, the centrifugal fan 4 on the installation platform 11 is started. One end of the connecting hose 5 is connected to the air outlet of the centrifugal fan 4. At the same time, two branch pipes 51 respectively connected to the two air inlet pipes 12 are provided at the end of the connecting hose 5 far away from the centrifugal fan 4. At this time, the air flow generated in the air outlet of the centrifugal fan 4 can be poured into the transmitting body 2 and the receiving body 3, and the air flow passing through the transmitting body 2 and the receiving body 3 is discharged from the air discharge pipe 6. At this time, the air flow can take away the heat in the transmitting body 2 and the receiving body 3, and finally the components in the transmitting body 2 and the receiving body 3 can be effectively cooled.

[0027] The protective airbag cover 7 is docked with the air discharge pipe 6 by the butt pipe 71, and the air flow discharged from the air discharge pipe 6 can enter the protective airbag cover 7, so that the protective airbag cover 7 bulges. At the same time, the air flow in the protective airbag cover 7 is discharged along the plurality of exhaust holes 72 on the circumferential side, and finally the protective airbag cover 7 can be kept in a bulging state, so as to provide anti-collision protection for the transmitting body 2 and the receiving body 3 through the protective airbag cover 7.

[0028] Meanwhile, by using the blowing nozzle 73 provided at the lower surface of the airbag cover 7 and located between the transmitting body 2 and the receiving body 3, the air flow in the airbag cover 7 will be discharged along the blowing nozzle 73. At this time, the air flow discharged from the blowing nozzle 73 can be sprayed on the surface of the rolled material to be measured below. The dust on the surface of the rolled material can be cleaned by the high-speed air flow, and finally it is beneficial to improve the measurement accuracy of the rolled material.

Claims

1. An air-cooled diameter gauge, comprising a base (1), a transmitter body (2) located on one side of the base (1) and used to transmit laser light, and a receiver body (3) located on the other side of the base (1) and used to receive laser light, characterized in that: It also comprises a centrifugal fan (4) arranged on one side of the base (1); a mounting platform (11) for mounting the centrifugal fan (4) is arranged on the side of the base (1); air inlet pipes (12) respectively connected to the inside of the transmitter body (2) and the receiver body (3) are arranged on both sides of the lower surface of the base (1); a connecting hose (5) having one end connected to the air outlet of the centrifugal fan (4) is arranged on the centrifugal fan (4); two branch pipes (51) respectively connected to the two air inlet pipes (12) are arranged at one end of the connecting hose (5) away from the centrifugal fan (4); and exhaust pipes (6) are arranged on the upper surfaces of the transmitter body (2) and the receiver body (3).

2. The air-cooled diameter gauge according to claim 1, characterized in that: A protective airbag cover (7) is provided above the transmitter body (2) and the receiver body (3).

3. An air-cooled diameter gauge according to claim 2, characterized in that: Both sides of the protective airbag cover (7) are provided with butt joints (71) that are butt joint with the exhaust pipe (6), and a plurality of exhaust holes (72) are provided on the peripheral side of the protective airbag cover (7).

4. The air-cooled diameter gauge according to claim 3, characterized in that: A blowing nozzle (73) is provided on the lower surface of the protective airbag cover (7) and at a position between the transmitter body (2) and the receiver body (3).

5. The air-cooled diameter gauge according to claim 3, characterized in that: A first clamp (8) is provided between the butt joint pipe (71) and the exhaust pipe (6).

6. The air-cooled diameter gauge according to claim 1, characterized in that: A second clamp (9) is provided between the branch pipe (51) and the air inlet pipe (12).

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