Data acquisition device for crystal size detection

Abstract

The utility model discloses a data acquisition device for crystal size detection. The data acquisition device comprises an acquisition control box, a supporting platform, a rotary driving mechanism, a centering adjusting mechanism, an elastic pressing mechanism, a height adjusting mechanism and a circumference distance measuring mechanism. According to the data acquisition device, the centering adjustment of the crystal can be realized by using the centering adjustment mechanism, so that the accuracy of the crystal during circumference measurement is ensured; the rotation driving mechanism and the elastic pressing mechanism can be used for clamping the crystal forcefully and driving the crystal to rotate, so that the circumference distance measuring mechanism can measure the circumference of the crystal conveniently; the height of the circumference distance measuring mechanism can be adjusted by using the height adjusting mechanism, so that the height of a measuring point position is adjusted, and measurement at different height positions on the circumference of the crystal is met; and by utilizing the coordinated control of the acquisition control box, the coordinated control of the measurement process and the storage and export of measurement data can be realized, and the later establishment of a crystal electronic flow sheet is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to a data acquisition device, especially a data acquisition device for crystal size detection. BACKGROUND

[0002] At present, after the crystal growth is completed, its size, internal and external cracks, appearance color and the like need to be detected, only when the size, internal and external cracks, appearance color and the like are detected to be qualified can the crystal be put into the warehouse, if the detection is unqualified, then the grown crystal needs to be discarded. The existing size detection method is to manually measure the size by artificial, and the measured size data is recorded on a process sheet, this detection recording method is not only inefficient, but also has certain artificial error. Therefore, it is necessary to design a data acquisition device for crystal size detection, which can realize rapid acquisition of crystal size data and data storage, and is convenient for establishing crystal electronic process sheet in the later period. SUMMARY

[0003] The utility model aims at providing a data acquisition device for crystal size detection, which can realize rapid acquisition of crystal size data and data storage, and is convenient for establishing crystal electronic process sheet in the later period.

[0004] Technical scheme: the utility model discloses a data acquisition device for crystal size detection, including acquisition control box, support platform, rotary drive mechanism, centering adjusting mechanism, elastic pressing mechanism, height adjusting mechanism and circumferential distance measuring mechanism, the rotary drive mechanism is installed in the middle part of support platform, is used for clamping crystal and drives the rotation of crystal, the centering adjusting mechanism is installed in the middle part of support platform, is used for adjusting the centering position of crystal on the rotary drive mechanism, the elastic pressing mechanism is installed on the side of support platform, is used for the elastic pressing of rotary drive mechanism, makes crystal be stably clamped, the circumferential distance measuring mechanism is installed on height adjusting mechanism, and height adjusting mechanism is installed on the side of support platform, and the height of the measuring point position of circumferential distance measuring mechanism is adjusted by height adjusting mechanism, and the distance of the outer circumferential of crystal is measured by circumferential distance measuring mechanism, the rotary drive mechanism, height adjusting mechanism and circumferential distance measuring mechanism are all driven and controlled by acquisition control box.

[0005] Further, the elastic pressing mechanism includes a vertical column, a support spring, a support sleeve, and a cantilever pressing rod. The vertical column is fixedly installed vertically on the support platform, and a support protruding ring is provided at the upper end of the vertical column. The support spring and the support sleeve are both sleeved on the vertical column, and the support spring is elastically supported between the support protruding ring and the support sleeve. One end of the cantilever pressing rod is fixedly connected to the support sleeve perpendicularly, and the cantilever pressing rod elastically presses the rotary drive mechanism.

[0006] Further, the rotating driving mechanism comprises a rotating driving motor, a rotating support column, a lower side support disc, an upper side pressing disc and a rotating driving shaft; the upper end of the rotating driving shaft is penetratingly and rotatably installed on the overhanging end of the overhanging pressing rod, and a driven gear is installed on the upper end of the rotating driving shaft; the rotating driving motor is installed on the overhanging pressing rod, and a driving gear meshing with the driven gear is installed on the output shaft of the rotating driving motor; the upper side pressing disc is horizontally fixed on the lower end of the rotating driving shaft; the rotating support column is rotatably and vertically installed on the support platform, and the lower side support disc is horizontally installed on the upper end of the rotating support column; anti-skid support pads for pressing the upper and lower sides of the crystal are arranged on the upper side of the lower side support disc and the lower side of the upper side pressing disc; the rotating driving motor is driven and controlled by the acquisition control box.

[0007] Further, the center adjusting mechanism comprises an adjusting driving shaft, two driving seats, four connecting rods, four swing support shafts, four swing driving arms and four center adjusting rods; the adjusting driving shaft is longitudinally and rotatably installed on the lower side of the support platform through a rotating shaft support, and driving external threads with opposite screw directions are arranged on the front and rear ends of the adjusting driving shaft; the driving external threads at the two ends are penetratingly and threadedly installed on the two driving seats, and the four connecting rods are swingingly and hingedly installed on the left and right sides of the two driving seats respectively; the four swing support shafts are penetratingly and rotatably installed on the support platform and located at four equal points on the same circumference around the rotating driving mechanism; the other ends of the four connecting rods are fixed on the lower ends of the four swing support shafts respectively, and the two connecting rods on the front side form a V-shaped structure with the opening facing backward, and the two connecting rods on the rear side form a V-shaped structure with the opening facing forward; one end of each of the four swing driving arms is fixedly installed on the upper end of each of the four swing support shafts, and the two swing driving arms on the front side are left-right symmetrical and swing backward, and the two swing driving arms on the rear side are left-right symmetrical and swing forward; the lower ends of the four center adjusting rods are rotatably and vertically installed on the overhanging ends of the four swing driving arms, and anti-skid sleeves are fixedly sleeved on the four center adjusting rods.

[0008] Further, the height adjusting mechanism comprises a lifting driving motor, a vertical support plate, an adjusting support block and a lifting driving screw; the vertical support plate is vertically and fixedly installed on the support platform, a rectangular sliding window is vertically arranged on the vertical support plate, and sliding guide grooves are vertically arranged on the two vertical sides of the rectangular sliding window; a driving block is arranged on the side of the adjusting support block, and the adjusting support block and the driving block are slidingly embedded in the sliding guide groove on the corresponding side; the lifting driving screw is vertically and rotatably installed in the rectangular sliding window, and the lifting driving screw is penetratingly and threadedly installed on the driving block; the lifting driving motor is fixedly installed on the end of the vertical support plate, and the output shaft end of the lifting driving motor is butt-jointedly installed on the upper end of the lifting driving screw; the lifting driving motor is driven and controlled by the acquisition control box.

[0009] Further, the circumference distance measuring mechanism comprises a cantilever telescopic rod, a cantilever measuring rod, a telescopic supporting spring, a telescopic drive motor, a telescopic drive screw rod and a distance measuring sensor; a guide supporting sleeve is fixedly installed on the adjusting supporting block in a penetrating manner, the cantilever telescopic rod is movably and horizontally installed on the guide supporting sleeve in a penetrating manner, and a telescopic mounting hole is arranged on one end of the cantilever telescopic rod pointing to the crystal; the telescopic supporting spring is installed in the telescopic mounting hole; one end of the cantilever measuring rod is movably inserted into the telescopic mounting hole and elastically supported on the telescopic supporting spring; a telescopic limiting sliding groove is arranged on the cantilever measuring rod, and a telescopic limiting sliding block movably embedded in the telescopic limiting sliding groove is arranged at the aperture of the telescopic mounting hole; a supporting roller for vertically rolling and supporting walking on the circumference of the crystal is rotatably installed on the cantilever end of the cantilever measuring rod; a measuring back plate is vertically arranged on the cantilever measuring rod, and the distance measuring sensor is installed on the adjusting supporting block and used for measuring the distance of the measuring back plate; a telescopic drive seat is arranged on the end of the cantilever telescopic rod, the telescopic drive screw rod is rotatably installed on the adjusting supporting block and is threadedly screwed on the telescopic drive seat in a penetrating manner; the telescopic drive motor is installed on the adjusting supporting block, and the output shaft end of the telescopic drive motor is oppositely connected with the telescopic drive screw rod; the telescopic drive motor and the distance measuring sensor are driven and controlled by the acquisition control box.

[0010] Compared with the prior art, the utility model has the advantages that: the central adjustment mechanism can realize the central adjustment of the crystal, thereby ensuring the accuracy of the crystal during the circumference measurement; the rotary drive mechanism and the elastic pressing mechanism can strongly clamp the crystal and drive the crystal to rotate, thereby facilitating the circumference distance measuring mechanism to measure the circumference of the crystal; the height adjustment mechanism can adjust the height of the circumference distance measuring mechanism, thereby adjusting the height of the measurement point and meeting the measurement of different height positions on the circumference of the crystal; the coordinated control of the acquisition control box can realize the coordinated control of the measurement process and the storage and export of the measurement data, thereby facilitating the establishment of the crystal electronic process sheet in the later period. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a front view structural schematic diagram of the device of the utility model;

[0012] Figure 2 It is a front view structural schematic diagram of the device of the utility model;

[0013] Figure 3 It is a height adjustment mechanism structural schematic diagram of the utility model;

[0014] Figure 4 It is a cantilever measuring rod installation structural schematic diagram of the utility model;

[0015] Figure 5The partial structure schematic view of the centering adjusting mechanism of the utility model.

[0016] Figure 6 The circuit structure schematic view of the utility model. DETAILED DESCRIPTION

[0017] The technical scheme of the utility model will be described in detail below with reference to the drawings, but the protection scope of the utility model is not limited to the embodiments.

[0018] As Figures 1-6 The utility model discloses a data acquisition device for crystal size detection, which comprises a collection control box 46, a support platform 1, a rotating drive mechanism, a centering adjusting mechanism, an elastic pressing mechanism, a height adjusting mechanism and a circumferential distance measuring mechanism. A support leg 2 is vertically arranged at the bottom of the support platform 1. The rotating drive mechanism is installed at the middle part of the support platform 1 and is used for clamping and rotating the crystal 47. The centering adjusting mechanism is installed at the middle part of the support platform 1 and is used for adjusting the centering position of the crystal 47 on the rotating drive mechanism. The elastic pressing mechanism is installed on the side edge of the support platform 1 and is used for elastically pressing the rotating drive mechanism so that the crystal 47 is stably clamped. The circumferential distance measuring mechanism is installed on the height adjusting mechanism, which is installed on the side edge of the support platform 1. The height of the measuring point of the circumferential distance measuring mechanism is adjusted by the height adjusting mechanism, and the distance of the outer circumference of the crystal 47 is measured by the circumferential distance measuring mechanism. The rotating drive mechanism, the height adjusting mechanism and the circumferential distance measuring mechanism are all driven and controlled by the collection control box 46.

[0019] The centering adjusting mechanism can realize the centering adjustment of the crystal 47, thereby ensuring the accuracy of the crystal 47 during the circumferential measurement. The rotating drive mechanism and the elastic pressing mechanism can strongly clamp and rotate the crystal 47, thereby facilitating the circumferential distance measuring mechanism to measure the circumference of the crystal 47. The height adjusting mechanism can adjust the height of the circumferential distance measuring mechanism, thereby adjusting the height of the measuring point and meeting the measurement of different height positions on the circumference of the crystal 47. The coordinated control of the collection control box 46 can realize the coordinated control of the measurement process and the storage and export of the measurement data, thereby facilitating the establishment of the crystal electronic process sheet in the later stage.

[0020] Further, the elastic pressing mechanism comprises a vertical column 3, a supporting compression spring 8, a supporting sliding sleeve 5 and a cantilever pressing rod 9; the vertical column 3 is vertically fixedly installed on the supporting platform 1, and a supporting convex ring 7 is arranged at the upper end of the vertical column 3; the supporting compression spring 8 and the supporting sliding sleeve 5 are sleeved on the vertical column 3, and the supporting compression spring 8 is elastically supported between the supporting convex ring 7 and the supporting sliding sleeve 5; one end of the cantilever pressing rod 9 is vertically fixed on the supporting sliding sleeve 5, and the cantilever pressing rod 9 elastically presses the rotary driving mechanism. The strong pressing of the supporting compression spring 8 can realize the stable and reliable clamping of the crystal 47 by the rotary driving mechanism, and ensure the accurate and reliable rotation driving.

[0021] Further, a sliding limiting sliding groove 4 is vertically arranged on the vertical column 3, and a sliding limiting sliding block which is slidably embedded in the sliding limiting sliding groove 4 is arranged on the inner wall of the supporting sliding sleeve 5, so as to limit the sliding range of the supporting sliding sleeve 5. The cooperation of the sliding limiting sliding groove 4 and the sliding limiting sliding block can limit the rotation of the supporting sliding sleeve 5, and ensure the stability of the cantilever pressing rod 9.

[0022] Further, a pull handle 6 is arranged on the supporting sliding sleeve 5, so as to facilitate the manual pulling of the supporting sliding sleeve 5.

[0023] Further, the rotary driving mechanism comprises a rotary driving motor 10, a rotary supporting column 36, a lower side supporting disc 37, an upper side pressing disc 14 and a rotary driving shaft 13; the upper end of the rotary driving shaft 13 is penetratingly and rotatably installed on the cantilever end of the cantilever pressing rod 9, and a driven gear 12 is installed on the upper end of the rotary driving shaft 13; the rotary driving motor 10 is installed on the cantilever pressing rod 9, and a driving gear 11 which is engaged with the driven gear 12 is installed on the output shaft of the rotary driving motor 10; the upper side pressing disc 14 is horizontally fixed on the lower end of the rotary driving shaft 13; the rotary supporting column 36 is rotatably and vertically installed on the supporting platform 1, and the lower side supporting disc 37 is horizontally installed on the upper end of the rotary supporting column 36; anti-skid supporting pads 15 for pressing and clamping the upper and lower sides of the crystal 47 are arranged on the upper side of the lower side supporting disc 37 and the lower side of the upper side pressing disc 14; the rotary driving motor 10 is driven and controlled by the acquisition control box 46. The lower side supporting disc 37 and the upper side pressing disc 14 can clamp and fix the crystal 47 from the upper and lower sides, and the anti-skid supporting pads 15 can play the anti-skid performance, so as to ensure the accuracy of the rotary driving.

[0024] Further, the centering adjustment mechanism comprises an adjustment driving shaft 33, two driving seats 32, four connecting rods 31, four swing supporting shafts 27, four swing driving arms 28 and four centering adjustment rods 29; the adjustment driving shaft 33 is longitudinally rotatably installed on the lower side of the supporting platform 1 through a rotating shaft support 34, and driving external threads 44 with opposite screw directions are arranged on the front and back ends of the adjustment driving shaft 33; the driving external threads 44 at the two ends are respectively installed on the two driving seats 32 in a penetrating threaded screwing mode, and the four connecting rods 31 are swingingly hingedly installed on the left and right sides of the two driving seats 32 in pairs; the four swing supporting shafts 27 are penetratingly rotatably installed on the supporting platform 1 and are located at four equal parts of the same circle around the rotating driving mechanism; the other ends of the four connecting rods 31 are respectively fixed on the lower ends of the four swing supporting shafts 27, and the two connecting rods 31 on the front side form a V-shaped structure with the opening facing backward, and the two connecting rods 31 on the back side form a V-shaped structure with the opening facing forward; one end of each of the four swing driving arms 28 is fixedly installed on the upper end of each of the four swing supporting shafts 27, and the two swing driving arms 28 on the front side are left-right symmetrical and both swing backward, and the two swing driving arms 28 on the back side are left-right symmetrical and both swing forward; the lower ends of the four centering adjustment rods 29 are rotatably vertically installed on the overhanging end portions of the four swing driving arms 28, and anti-slip sleeves 30 are fixedly sleeved on the four centering adjustment rods 29. The driving external threads 44 at the front and back ends of the adjustment driving shaft 33 respectively drive the relative movement of the two driving seats 32, thereby synchronously driving the four connecting rods 31 to drive the four swing supporting shafts 27 to synchronously rotate, completing the swing driving of the four swing driving arms 28, realizing the synchronous clamping of the anti-slip sleeves 30 on the four centering adjustment rods 29 on the crystal 47 to complete the centering adjustment.

[0025] Further, an adjustment crank 35 is arranged on the front end of the adjustment driving shaft 33, for quickly rotating and adjusting the adjustment driving shaft 33, realizing manual centering adjustment.

[0026] Further, the height adjusting mechanism comprises a lifting driving motor 16, a vertical support plate 17, an adjusting support block 18 and a lifting driving screw rod 40; the vertical support plate 17 is vertically fixedly installed on the support platform 1, a rectangular sliding window 41 is vertically arranged on the vertical support plate 17, and sliding guide grooves are vertically arranged on two vertical sides of the rectangular sliding window 41; a driving block 42 is arranged on the side of the adjusting support block 18, and the adjusting support block 18 and the driving block 42 are respectively slidably embedded in the sliding guide grooves on the corresponding sides; the lifting driving screw rod 40 is vertically rotatably installed in the rectangular sliding window 41, and the lifting driving screw rod 40 is threadedly and rotatably installed on the driving block 42; the lifting driving motor 16 is fixedly installed on the end of the vertical support plate 17, and the output shaft end of the lifting driving motor 16 is butt-jointly installed on the upper end of the lifting driving screw rod 40; the lifting driving motor 16 is driven and controlled by the acquisition control box 46. By cooperation of the lifting driving motor 16, the lifting driving screw rod 40 and the driving block 42, the height adjustment of the adjusting support block 18 can be realized, thereby completing the up-down movement of the circumferential distance measuring mechanism and realizing the distance measurement from the top edge to the bottom edge of the crystal 47 at one angle position.

[0027] Further, the circumferential distance measuring mechanism comprises a cantilever telescopic rod 20, a cantilever measuring rod 23, a telescopic supporting spring 39, a telescopic drive motor 21, a telescopic drive screw 22 and a distance measuring sensor 45; a guide supporting sleeve 19 is fixedly installed on the adjusting supporting block 18 in a through manner, the cantilever telescopic rod 20 is movably installed on the guide supporting sleeve 19 in a horizontal through manner, and a telescopic mounting hole 38 is arranged on one end of the cantilever telescopic rod 20 pointing to the crystal 47; the telescopic supporting spring 39 is installed in the telescopic mounting hole 38; one end of the cantilever measuring rod 23 is movably inserted into the telescopic mounting hole 38 and elastically supported on the telescopic supporting spring 39; a telescopic limiting sliding groove 26 is arranged on the cantilever measuring rod 23, and a telescopic limiting sliding block that is movably embedded in the telescopic limiting sliding groove 26 is arranged at the aperture of the telescopic mounting hole 38; a supporting roller 25 for vertical rolling support and walking on the circumference of the crystal 47 is rotatably installed on the cantilever end of the cantilever measuring rod 23; a measuring backboard 24 is vertically arranged on the cantilever measuring rod 23, and the distance measuring sensor 45 is installed on the adjusting supporting block 18 for distance measurement of the measuring backboard 24; a telescopic drive seat 43 is arranged on the end of the cantilever telescopic rod 20, the telescopic drive screw 22 is rotatably installed on the adjusting supporting block 18, and the telescopic drive screw 22 is threadedly screwed through the telescopic drive seat 43; the telescopic drive motor 21 is installed on the adjusting supporting block 18, and the output shaft end of the telescopic drive motor 21 is oppositely connected with the telescopic drive screw 22; the telescopic drive motor 21 and the distance measuring sensor 45 are both driven and controlled by the acquisition control box 46. Through cooperation of the telescopic drive motor 21, the telescopic drive screw 22 and the telescopic drive seat 43, telescopic drive control of the cantilever telescopic rod 20 can be realized, so that the supporting roller 25 can be controlled to retreat after each point measurement is completed, thereby facilitating rotation drive of the crystal 47; the telescopic supporting spring 39 can elastically support the cantilever measuring rod 23, so that the supporting roller 25 is always tightly pressed on the circumferential surface of the crystal 47, ensuring the accuracy of measurement; through cooperation of the telescopic limiting sliding groove 26 and the telescopic limiting sliding block, the cantilever measuring rod 23 can be pulled together to retreat when the cantilever telescopic rod 20 retreats.

[0028] The utility model discloses a data acquisition device for crystal size detection, and the acquisition control box 46 is provided with a controller, a display screen, a key panel, a memory, a USB interface, a USB interface circuit, a lifting drive circuit, a rotary drive circuit and a telescopic drive circuit; the controller is electrically connected with the display screen, the key panel, the memory, the USB interface circuit, the distance measuring sensor 45, the lifting drive circuit, the rotary drive circuit and the telescopic drive circuit respectively; the controller adopts an existing single-chip microcomputer control module for realizing coordinated control; the telescopic drive motor 21, the lifting drive motor 16 and the rotary drive motor 10 all adopt existing stepping motors, which can realize accurate rotary drive and accurate control of each action; the lifting drive circuit, the rotary drive circuit and the telescopic drive circuit are electrically connected with the lifting drive motor 16, the rotary drive motor 10 and the telescopic drive motor 21 respectively, and the controller drives and controls the lifting drive motor 16, the rotary drive motor 10 and the telescopic drive motor 21 accurately through the lifting drive circuit, the rotary drive circuit and the telescopic drive circuit respectively; the USB interface circuit is electrically connected with the USB interface, and the controller writes the measurement data stored in the memory into a U disk through the USB interface circuit and the USB interface for data copying, thereby facilitating the establishment of the electronic process sheet of each crystal 47 in the later period.

[0029] The utility model discloses a data acquisition device for crystal size detection is used when, first by the detection personnel through the pull handle bar 6 and lift the upper side press disc 14, place the crystal 47 on the antiskid support pad 15 of lower side, again through the adjustment of the ratchet wrench 35 and adjust four central adjusting rod 29, make four antiskid sleeve 30 press on the circumference of crystal 47 and carry out the central adjustment, again put down the upper side press disc 14, utilize the antiskid support pad 15 of upper and lower side and stabilize the clamping on the crystal 47, again through the adjustment of the ratchet wrench 35 and adjust make four antiskid sleeve 30 away from the crystal 47,

[0030] Then the detection personnel presses the start detection button on the control panel, the controller drives the telescopic drive motor 21 to make the cantilever telescopic rod 20 extend to the designated position, at this time the support roller 25 is elastically pressed on the circumference of the crystal 47, then the controller drives the lifting drive motor 16 to make the support roller 25 slowly move from the top edge to the bottom edge of the crystal 47, the controller records the distance values collected by the distance measuring sensor 45, the collection frequency is 2Hz, and the distance collection at each angle position of the crystal 47 is completed; then the controller drives the telescopic drive motor 21 to make the support roller 25 away from the crystal 47, then the controller drives the rotating drive motor 10 to make the crystal 47 rotate 15°, then the controller coordinates the driving of the telescopic drive motor 21 and the lifting drive motor 16, and the distance collection at the next angle position is completed, and the above process is repeated to complete the distance collection at each angle position on the circumference of the crystal 47. After completing all the distance collection, the detection personnel inserts the U disk into the USB interface, and then presses the sending button on the key panel, the controller sends the measurement data stored in the memory to the U disk, and the subsequent work personnel first obtains the distance value L1 of the center axis of the rotating drive shaft 13 and the distance measuring sensor 45, the distance value L2 of the detection surface of the measuring back plate 24 and the pressing surface of the support roller 25, and the distance value L3 of the current height point, and then calculates the radius of the crystal 47 at the current height point as L1-L2-L3.

[0031] As described above, although the present application has been shown and described with respect to a certain preferred embodiments thereof, it should be understood that the present application is not limited to the particular preferred embodiments, and various changes and modifications can be made in form and details without departing from the spirit and scope of the present application as defined in the appended claims.

Claims

1. A data acquisition device for crystal size detection, characterized in that: The system includes a data acquisition control box (46), a support platform (1), a rotary drive mechanism, a centering adjustment mechanism, an elastic pressing mechanism, a height adjustment mechanism, and a circumferential distance measuring mechanism. The rotary drive mechanism is installed in the middle of the support platform (1) to hold the crystal (47) and drive the crystal (47) to rotate. The centering adjustment mechanism is installed in the middle of the support platform (1) to adjust the centering position of the crystal (47) on the rotary drive mechanism. The elastic pressing mechanism is installed on the side of the support platform (1) to apply elastic pressure to the rotary drive mechanism so that the crystal (47) is stably held. The circumferential distance measuring mechanism is installed on the height adjustment mechanism, which is installed on the side of the support platform (1). The height adjustment mechanism adjusts the height of the measurement point of the circumferential distance measuring mechanism, and the circumferential distance measuring mechanism measures the distance to the outer circumference of the crystal (47). The rotary drive mechanism, the height adjustment mechanism, and the circumferential distance measuring mechanism are all driven and controlled by the data acquisition control box (46).

2. The data acquisition device for crystal size detection according to claim 1, characterized in that: The elastic pressing mechanism includes a vertical column (3), a support spring (8), a support sleeve (5), and a cantilever pressing rod (9); the vertical column (3) is vertically fixed on the support platform (1), and a support convex ring (7) is provided at the upper end of the vertical column (3); the support spring (8) and the support sleeve (5) are both sleeved on the vertical column (3), and the support spring (8) is elastically supported between the support convex ring (7) and the support sleeve (5); one end of the cantilever pressing rod (9) is vertically fixed on the support sleeve (5), and the cantilever pressing rod (9) elastically presses the rotary drive mechanism.

3. The data acquisition device for crystal size detection according to claim 2, characterized in that: The rotary drive mechanism includes a rotary drive motor (10), a rotary support column (36), a lower support disc (37), an upper pressing disc (14), and a rotary drive shaft (13). The upper end of the rotary drive shaft (13) is rotatably mounted through the cantilever end of the cantilever pressing rod (9), and a driven gear (12) is mounted on the upper end of the rotary drive shaft (13). The rotary drive motor (10) is mounted on the cantilever pressing rod (9), and a drive gear that meshes with the driven gear (12) is mounted on the output shaft of the rotary drive motor (10). The moving gear (11) is horizontally fixed on the lower end of the rotary drive shaft (13); the rotary support column (36) is vertically mounted on the support platform (1), and the lower support disk (37) is horizontally mounted on the upper end of the rotary support column (36); anti-slip support pads (15) for pressing and holding the upper and lower sides of the crystal (47) are provided on the upper side of the lower support disk (37) and the lower side of the upper pressing disk (14); the rotary drive motor (10) is driven and controlled by the acquisition control box (46).

4. The data acquisition device for crystal size detection according to claim 1, characterized in that: The centering adjustment mechanism includes an adjustment drive shaft (33), two drive seats (32), four connecting rods (31), four swing support shafts (27), four swing drive arms (28), and four centering adjustment rods (29). The adjustment drive shaft (33) is longitudinally rotatably mounted on the lower side of the support platform (1) via a rotating shaft support (34), and the front and rear ends of the adjustment drive shaft (33) are provided with drive external threads (44) with opposite thread directions. The drive external threads (44) at both ends are threadedly screwed onto the two drive seats (32), and the four connecting rods (31) are pivotally hinged to the left and right sides of the two drive seats (32) respectively. The four swing support shafts (27) are rotatably mounted on the support platform (1) and located at the centering adjustment rods. The four connecting rods (31) are located at the four equal division points of the same circumference around the moving mechanism. The other ends of the four connecting rods (31) are respectively fixed on the lower ends of the four swing support shafts (27). The two connecting rods (31) on the front side form a V-shaped structure with the opening facing backward, and the two connecting rods (31) on the rear side form a V-shaped structure with the opening facing forward. One end of the four swing drive arms (28) is respectively fixed on the upper ends of the four swing support shafts (27). The two swing drive arms (28) on the front side are symmetrical to the left and right and swing backward. The two swing drive arms (28) on the rear side are symmetrical to the left and right and swing forward. The lower ends of the four center adjustment rods (29) are respectively rotated and vertically installed on the cantilever ends of the four swing drive arms (28). Anti-slip sleeves (30) are fixedly fitted on the four center adjustment rods (29).

5. The data acquisition device for crystal size detection according to claim 1, characterized in that: The height adjustment mechanism includes a lifting drive motor (16), a vertical support plate (17), an adjusting support block (18), and a lifting drive screw (40). The vertical support plate (17) is vertically fixed on the support platform (1). A rectangular sliding window (41) is vertically provided on the vertical support plate (17), and sliding guide grooves are vertically provided on both vertical sides of the rectangular sliding window (41). A drive block (42) is provided on the side of the adjusting support block (18). The adjusting support block (18) and the drive screw (40) are connected to the vertical support plate (17). The moving blocks (42) are slidably embedded in the corresponding sliding guide grooves; the lifting drive screw (40) is vertically rotated and installed in the rectangular sliding window (41), and the lifting drive screw (40) is threaded through and screwed onto the drive block (42); the lifting drive motor (16) is fixedly installed at the end of the vertical support plate (17), and the output shaft end of the lifting drive motor (16) is connected to the upper end of the lifting drive screw (40); the lifting drive motor (16) is driven and controlled by the acquisition control box (46).

6. The data acquisition device for crystal size detection according to claim 5, characterized in that: The circumferential ranging mechanism includes a cantilever telescopic rod (20), a cantilever measuring rod (23), a telescopic support spring (39), a telescopic drive motor (21), a telescopic drive screw (22), and a ranging sensor (45). A guide support sleeve (19) is fixedly installed through the adjusting support block (18). The cantilever telescopic rod (20) is movably and horizontally installed through the guide support sleeve (19), and a telescopic mounting hole (38) is provided at the end of the cantilever telescopic rod (20) pointing towards the crystal (47). The telescopic support spring (39) is installed in the telescopic mounting hole (38). One end of the cantilever measuring rod (23) is movably inserted into the telescopic mounting hole (38) and elastically supported on the telescopic support spring (39). A telescopic limiting groove (26) is provided on the cantilever measuring rod (23), and a telescopic limiting groove (26) is provided at the opening of the telescopic mounting hole (38) and is slidably embedded in the telescopic limiting groove (26). The slider is positioned; a support roller (25) for vertical rolling support is rotatably installed on the cantilever end of the cantilever measuring rod (23) for vertical rolling support on the circumference of the crystal (47); a measuring back plate (24) is vertically set on the cantilever measuring rod (23), and a distance sensor (45) is installed on the adjusting support block (18) for measuring the distance of the measuring back plate (24); a telescopic drive seat (43) is set on the end of the cantilever telescopic rod (20), and a telescopic drive screw (22) is rotatably installed on the adjusting support block (18), and the telescopic drive screw (22) is threaded through and screwed onto the telescopic drive seat (43); a telescopic drive motor (21) is installed on the adjusting support block (18), and the output shaft end of the telescopic drive motor (21) is connected to the telescopic drive screw (22); the telescopic drive motor (21) and the distance sensor (45) are both driven and controlled by the acquisition control box (46).

Images