Double-station laser diameter measuring system for measuring circular workpiece

Abstract

The utility model discloses a double-station laser diameter measuring system for measuring a circular workpiece, which comprises a supporting plate, two diameter measuring instrument bodies and a central operating platform device, the center operation table device comprises two connecting supports, four bearings and a driving mechanism, wherein every two bearings are rotationally connected to the connecting supports, and the driving mechanism is arranged on one connecting support and drives the two bearings to rotate. The two ends of a workpiece are placed on the two bearings of the two connecting supports respectively, the two ports of the workpiece are aligned with the laser emitting devices and the laser receiving devices of the two diameter measuring instrument bodies, and then the positions of the two diameter measuring instrument bodies on the supporting plate are adjusted so that the distance between the two diameter measuring instrument bodies can be adjusted. And in the process that the driving mechanism drives the two bearings on one connecting support to rotate, two ports of the workpiece can be measured in the rotating process, the diameter and the ellipse value of the circular workpiece can be conveniently measured, and multiple positions of the circular workpiece can be measured.

Description

Technical Field

[0001] The utility model relates to the technical field of measurement, in particular to a double-station laser diameter measuring system for measuring circular workpieces. Background Art

[0002] Laser diameter measurement is a method of measuring diameter online by laser scanning, which can be widely used in industries such as cables, enameled wires, optical fibers, micro-drawing, various pipes and rods. The structure of a conventional laser diameter gauge includes a pallet, a laser emitting device arranged on the pallet, a receiving device arranged on the pallet, and a placing device arranged on the front and rear sides of the pallet so that the object to be measured is placed in the middle of the laser emitting device and the receiving device.

[0003] There are some circular workpieces (specifically circular pipes and circular bars in this application) that need to measure their diameters and ellipse values ​​to detect whether the size of the circular workpiece meets the requirements. During measurement, the existing measuring device clamps one end of the circular workpiece through a rotatable clamping device so that the measuring point of the circular workpiece extends into the laser diameter gauge. During the rotation process, the maximum and minimum values ​​of the measured diameter are achieved, and the ellipse value is obtained. Since the circular workpiece has two measurement ports or multiple measurement points, there is a problem of inconvenient measurement operation. Utility Model Content

[0004] The utility model aims to provide a double-station laser diameter measuring system for measuring a circular workpiece, which has the function of conveniently measuring the diameter and ellipse value of the circular workpiece.

[0005] The above technical purpose of the utility model is achieved through the following technical scheme: a double-station laser diameter measuring system for measuring circular workpieces, including a support plate, two diameter gauge bodies slidably arranged on the support plate, and a central operating table device arranged between the two diameter gauge bodies and for the circular workpiece to be placed and rotated, the diameter gauge body having a laser emitting device and a laser receiving device; the central operating table device includes two connecting brackets symmetrically arranged on the two diameter gauge bodies, four bearings rotatably connected to the connecting brackets in pairs, and a driving mechanism arranged on one of the connecting brackets and driving the two bearings to rotate, and the two ends of the workpiece are respectively placed between the two bearings of the two connecting brackets.

[0006] The utility model is further configured as follows: the driving mechanism includes a reduction motor arranged on a connecting bracket, and a driving wheel arranged on an output shaft of the reduction motor, wherein the driving wheel is located below the middle of two bearings, and the peripheral side of the driving wheel conflicts with the peripheral sides of the two bearings.

[0007] The utility model is further configured as follows: an annular groove is arranged on the peripheral side of the driving wheel, and a rubber ring is arranged on the annular groove to press against two bearings.

[0008] The utility model is further configured as follows: two waist-shaped grooves extending along the length direction of the support plate are provided at the bottom, two waist-shaped holes extending along the length direction of the support plate are provided on each of the waist-shaped grooves, each of the caliper bodies is movably set on two parallel waist-shaped holes, and four fixing bolts are provided between the support plate and the caliper body, which pass through the waist-shaped holes in pairs and are threadedly connected to the caliper body.

[0009] The utility model is further configured as follows: the connecting bracket is in an "L" shape, and an arc groove is provided in the middle of the upper end of the connecting bracket to avoid interference with workpieces.

[0010] In summary, the beneficial effects of the utility model are:

[0011] 1. First, place the two ends of the workpiece on the two bearings of the two connecting brackets respectively, and align the two ports of the workpiece with the laser emitting device and the laser receiving device of the two caliper bodies, and then adjust the positions of the two caliper bodies on the support plate to adjust the distance between the two caliper bodies; when the driving mechanism drives the two bearings on a connecting bracket to rotate, the two ports of the workpiece are measured during the rotation process, which is convenient for measuring the diameter and ellipse value of the circular workpiece, and can also realize the measurement of multiple locations of the circular workpiece;

[0012] 2. The reduction motor drives the driving wheel to rotate, and the driving wheel drives the two conflicting bearings to rotate, thereby driving the workpiece to perform rotation measurement;

[0013] 3. The setting of the rubber ring on the peripheral side of the driving wheel can increase the friction coefficient when in contact with the two bearings, thereby facilitating the rotation of the two bearings;

[0014] 4. Two waist-shaped grooves extending along the length direction are arranged at the bottom of the support plate, and two waist-shaped holes extending along the length direction are arranged on each waist-shaped groove. Each caliper body is movably arranged on two parallel waist-shaped holes. Four fixing bolts are arranged between the support plate and the caliper body, which pass through the waist-shaped holes in pairs and are then threadedly connected to the caliper body, so that the caliper body can be fixed after being moved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model (showing a circular workpiece);

[0016] Figure 2 It is another structural schematic diagram of the utility model;

[0017] Figure 3 It is a structural schematic diagram used to display the bottom structure of the support plate in the utility model.

[0018] Figure numerals: 1. support plate; 11. waist-shaped groove; 12. waist-shaped hole; 13. fixing bolt; 2. diameter gauge body; 3. center operating table device; 31. connecting bracket; 311. arc groove; 32. bearing; 33. driving mechanism; 331. reduction motor; 332. driving wheel; 333. rubber ring. DETAILED DESCRIPTION

[0019] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0020] Embodiment: A double-station laser diameter measuring system for measuring circular workpieces, such as Figure 1 and Figure 2 As shown, it includes a support plate 1, two caliper bodies 2 slidably arranged on the support plate 1, and a central operating table device 3 arranged between the two caliper bodies 2 and for the circular workpiece to be placed and rotated, the caliper body 2 has a laser emitting device and a laser receiving device; the central operating table device 3 includes two connecting brackets 31 symmetrically arranged on the two caliper bodies 2, four bearings 32 rotatably connected to the connecting brackets 31 in pairs, and a driving mechanism 33 arranged on one of the connecting brackets 31 and driving the two bearings 32 to rotate, and the two ends of the workpiece are respectively placed between the two bearings 32 of the two connecting brackets 31.

[0021] like Figure 2 As shown, the connecting bracket 31 is in an "L" shape, and an arc groove 311 is provided in the middle of the upper end of the connecting bracket 31 to avoid interference with the workpiece.

[0022] like Figure 2 As shown, the driving mechanism 33 includes a reduction motor 331 disposed on the connecting bracket 31, and a driving wheel 332 disposed on the output shaft of the reduction motor 331. The driving wheel 332 is located below the middle of the two bearings 32, and the peripheral side of the driving wheel 332 abuts against the peripheral sides of the two bearings 32. An annular groove (not marked in the figure) is disposed on the peripheral side of the driving wheel 332, and a rubber ring 333 that abuts against the two bearings 32 is disposed on the annular groove.

[0023] like Figure 2 and Figure 3 As shown, two waist-shaped grooves 11 extending along the length direction are provided at the bottom of the support plate 1, and two waist-shaped holes 12 extending along the length direction are provided on each waist-shaped groove 11. Each caliper body 2 is movably set on two parallel waist-shaped holes 12, and four fixing bolts 13 are provided between the support plate 1 and the caliper body 2, which pass through the waist-shaped holes 12 in pairs and are then threadedly connected to the caliper body 2.

[0024] Implementation effect: first, the two ends of the workpiece are placed on the two bearings 32 of the two connecting brackets 31 respectively, and the two ports of the workpiece are aligned with the laser emitting device and the laser receiving device of the two caliper bodies 2, and then the positions of the two caliper bodies 2 on the support plate 1 are adjusted to adjust the distance between the two caliper bodies 2; finally, when the driving mechanism 33 drives the two bearings 32 on a connecting bracket 31 to rotate, the two ports of the workpiece are measured during the rotation process, which is convenient for measuring the diameter and ellipse value of the circular workpiece, and can also realize measurement of multiple locations of the circular workpiece.

[0025] The driving wheel 332 is driven to rotate by the reduction motor 331, and the driving wheel 332 drives the two conflicting bearings 32 to rotate, thereby driving the workpiece to rotate and measure. The setting of the rubber ring 333 on the side of the driving wheel 332 can increase the friction coefficient when in contact with the two bearings 32, and then facilitate the driving of the two bearings 32 to rotate. The bottom of the support plate 1 is provided with two waist-shaped grooves 11 extending along its length direction, and each waist-shaped groove 11 is provided with two waist-shaped holes 12 extending along its length direction. Each caliper body 2 is movably set on two parallel waist-shaped holes 12. Four fixing bolts 13 are provided between the support plate 1 and the caliper body 2, which are threadedly connected to the caliper body 2 after passing through the waist-shaped holes 12 in pairs, so that the caliper body 2 can be fixed after the position is moved.

[0026] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed, but such modifications are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A double-station laser diameter measuring system for circular workpiece measurement, characterized in that: The invention comprises a support plate (1), two caliper bodies (2) slidably arranged on the support plate (1), and a central operating table device (3) arranged between the two caliper bodies (2) and on which a circular workpiece is placed and rotated, wherein the caliper body (2) has a laser emitting device and a laser receiving device; the central operating table device (3) comprises two connecting brackets (31) symmetrically arranged on the two caliper bodies (2), four bearings (32) rotatably connected to the connecting brackets (31) in pairs, and a driving mechanism (33) arranged on one of the connecting brackets (31) and driving the two bearings (32) to rotate, and the two ends of the workpiece are respectively placed between the two bearings (32) of the two connecting brackets (31).

2. A double-station laser diameter measuring system for circular workpiece measurement according to claim 1, characterized in that: The driving mechanism (33) comprises a reduction motor (331) arranged on the connecting bracket (31), and a driving wheel (332) arranged on the output shaft of the reduction motor (331); the driving wheel (332) is located below the middle of the two bearings (32); and the peripheral side of the driving wheel (332) is in conflict with the peripheral sides of the two bearings (32).

3. The double-station laser diameter measuring system for circular workpiece measurement according to claim 2, characterized in that: An annular groove is provided on the circumference of the driving wheel (332), and a rubber ring (333) is provided on the annular groove and is pressed against the two bearings (32).

4. The double-station laser diameter measuring system for circular workpiece measurement according to claim 1, characterized in that: The bottom of the support plate (1) is provided with two waist-shaped grooves (11) extending along its length direction, each of the waist-shaped grooves (11) is provided with two waist-shaped holes (12) extending along its length direction, each of the caliper bodies (2) is movably arranged on two parallel waist-shaped holes (12), and four fixing bolts (13) are arranged between the support plate (1) and the caliper body (2), which pass through the waist-shaped holes (12) in pairs and are then threadedly connected to the caliper body (2).

5. The double-station laser diameter measuring system for circular workpiece measurement according to claim 1, characterized in that: The connecting bracket (31) is in an "L" shape, and an arc-shaped groove (311) is provided in the middle of the upper end of the connecting bracket (31) to avoid interference with workpieces.

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