Paper tube size detection device and use method thereof

Abstract

The invention relates to the technical field of paper tube detection equipment, and discloses a paper tube size detection device and a use method thereof.The paper tube size detection device comprises a detection box, a plurality of supporting legs are fixedly connected to the bottom of the detection box, a fixing plate is fixedly connected to the side wall of one end of the detection box, and a driving motor is fixedly connected to the end, away from the detection box, of the fixing plate. According to the invention, the detection threaded rod rotates to drive the detection sliding block to move towards the middle part of the paper tube along the auxiliary sliding rod, at the moment, the detection sliding block drives the contact type detection head on the telescopic detection column to move towards the inner wall of the paper tube, and at the moment, the contact type detection head on the telescopic detection column performs inner diameter contact measurement on the interior of the middle part of the paper tube; thus, the contact type detection head can avoid the inner walls of the two ends of the paper tube for detection, the middle of the paper tube is not prone to deformation, and therefore measurement of the inner diameter data of the middle of the paper tube is accurate.

Description

Technical Field

[0001] The present invention relates to the technical field of paper tube detection equipment, and in particular to a paper tube size detection device and a use method thereof. Background Art

[0002] For some electronic components and optical elements that require high-precision protection, paper tubes must have very high precision. For example, optical fibers, circuit boards, optical glass, etc., these components usually need to be precisely wound and packaged, and the size of the paper tubes needs to be strictly controlled to ensure that the products will not be damaged during transportation and storage. The errors of the inner diameter and wall thickness must be controlled very finely, usually within ±0.05mm, to ensure the stability of the precision components, so the inner diameter size needs to be tested during the production of paper tubes.

[0003] In the process of detecting the inner diameter of a paper tube, most detection devices in the prior art only detect the inner walls at both ends of the paper tube. Since the two ends of the paper tube are prone to collision, the two ends of the paper tube are prone to deformation. Measuring the two ends of the paper tube will result in inaccurate measurement dimensions. Summary of the invention

[0004] The object of the present invention is to provide a paper tube size detection device and a method of using the same to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0006] The present invention provides a paper tube size detection device and a method for using the same, comprising a detection box, a plurality of support legs fixedly connected to the bottom of the detection box, a fixed plate fixedly connected to a side wall at one end of the detection box, a drive motor fixedly connected to the end of the fixed plate away from the detection box, an output shaft fixedly connected to the output end of the drive motor, a detection cylinder fixedly connected to the inner center axis of the detection box, a feed port opened at the end of the detection box away from the drive motor, and further comprising:

[0007] The inner diameter detection mechanism includes a detection threaded rod fixedly connected to the end of the output shaft away from the driving motor, the end of the detection threaded rod close to the detection box is rotatably connected to a detection sliding block, the side wall of the detection sliding block is fixedly connected to a plurality of telescopic detection columns, and the end of the telescopic detection column away from the detection sliding block is fixedly connected to a contact detection head.

[0008] Furthermore, the inner diameter detection mechanism also includes a calibration block fixedly connected to one end of the detection cylinder close to the driving motor, the contact detection head is pressed against the inner wall of the calibration block, the inner wall of the detection box is fixedly connected with an auxiliary sliding rod, the detection sliding block is slidably connected to the auxiliary sliding rod, a reset spring is provided at one end of the auxiliary sliding rod away from the calibration block, a sliding sleeve is slidably connected to the auxiliary sliding rod, and the sliding sleeve is fixedly connected to one end of the reset spring.

[0009] Furthermore, a plurality of fixing auxiliary mechanisms are provided at both ends of the detection cylinder, and the fixing auxiliary mechanisms include a gear 1 fixedly connected to the end of the output shaft away from the driving motor, and a plurality of rotating columns are rotated through the side wall of the detection box body, and a gear 2 is fixedly connected to the end of the rotating column close to the gear 1, and the gear 2 is meshed with the gear 1.

[0010] Furthermore, the fixing auxiliary mechanism also includes a threaded groove opened in the middle part of the gear, and both ends of the detection cylinder are slidably connected with sliding rings, and the sliding rings are rotatably connected to the threaded grooves on the rotating column. Both ends of the detection cylinder are provided with a plurality of fixed grooves, and the outer walls of the detection cylinder corresponding to the fixed grooves are fixedly connected with a plurality of sliding frames, and the sliding frame is slidably connected with a fixed sliding block on the side away from the detection cylinder.

[0011] Furthermore, the fixing auxiliary mechanism also includes a plurality of fixed telescopic rods fixedly connected to the bottom of the fixed sliding block, a clamping spring is sleeved on one end of the fixed telescopic rod away from the fixed sliding block, a fixed base is fixedly connected to one end of the fixed telescopic rod away from the fixed sliding block, the fixed base is slidably connected inside the fixed groove, a plurality of ball bearings are inlaid on the bottom of the fixed base, a plurality of connecting rods are rotatably connected to one side of the sliding ring close to the sliding frame, and an end of the connecting rod away from the sliding ring is rotatably connected to the fixed sliding block.

[0012] Furthermore, a rotation auxiliary mechanism is provided in the middle part of the rotating column, and the rotation auxiliary mechanism includes a plurality of auxiliary grooves opened on the side wall of the detection cylinder, and a plurality of push rods are fixedly connected to one end of the sliding ring away from the connecting rod, and an extrusion spring is sleeved on the rotating column, and the extrusion spring is fixedly connected to one side of the sliding ring, and a rotating groove block is fixedly connected to the side wall of the rotating column corresponding to the auxiliary groove.

[0013] Furthermore, the rotation assist mechanism also includes an air cylinder fixedly connected to the side of the rotating groove block close to the sliding ring, a sliding plate is fixedly connected to the end of the push rod away from the sliding ring, the sliding plate is slidably connected to the inside of the air cylinder, an air bag is fixedly connected to the inside of the rotating groove block, a flexible friction plate is fixedly connected to the side wall of the air bag, and several air intake pipes are fixedly passed through the side of the air bag close to the air cylinder.

[0014] A paper tube size detection device and a method for using the same include the following steps:

[0015] Step 1: Test the site for further testing;

[0016] Step 2: Assist in fixing the paper tube;

[0017] Step 3: Assist in rotating the paper tube;

[0018] Step 4: Calibrate the tested parts.

[0019] The present invention has the following beneficial effects:

[0020] (1) When the detection device of the present invention is used, the paper tube to be detected is first pushed into the detection tube along the feed port on the side wall of the detection box. At this time, the output end of the driving motor rotates to drive the output shaft to rotate, and the rotation of the output shaft drives the detection threaded rod to rotate. The rotation of the detection threaded rod drives the detection sliding block to move toward the middle of the paper tube along the auxiliary sliding rod. At this time, the detection sliding block drives the contact detection head on the telescopic detection column to move toward the inner wall of the paper tube. At this time, the contact detection head on the telescopic detection column performs inner diameter contact measurement on the middle of the paper tube. This arrangement is conducive to allowing the contact detection head to avoid the inner walls at both ends of the paper tube for detection. The middle of the paper tube is not easy to deform, so the inner diameter data of the middle of the paper tube is more accurate.

[0021] (2) According to the present invention, when the detection sliding block drives the contact detection head on the telescopic detection column to move along the auxiliary sliding rod to the middle of the paper tube, the detection sliding block is squeezed with the sliding sleeve on the sliding sleeve, and the sliding sleeve is squeezed to squeeze the reset spring along the auxiliary sliding rod. When the detection sliding block is disengaged from the thread on the detection threaded rod, the detection sliding block stops sliding on the auxiliary sliding rod. When the detection of the contact detection head is completed, the output end of the drive motor is started to reverse. At this time, the reset spring pushes the detection sliding block back into the thread on the detection threaded rod. At this time, the detection threaded rod drives the detection sliding block to move toward the end close to the drive motor. When the contact detection head on the detection sliding block returns to the inside of the calibration block, the contact detection head contacts the inner wall of the calibration block. Since the calibration block is a standard part with a known inner diameter, the measurement accuracy of the contact detection head can be determined by computer readings at this time. Such a setting is conducive to timely calibration of the contact detection head, thereby improving the detection accuracy of the detection device.

[0022] (3) The present invention sets a fixed auxiliary mechanism. When the paper tube is detected, the output shaft rotates to drive the gear one to rotate. The rotation of the gear one drives the rotating column on the gear two to rotate. The rotation of the rotating column drives the sliding ring to move along the threaded groove. At this time, the sliding ring moves along the outer wall of the detection tube toward the middle of the detection tube. The sliding ring drives the fixed sliding block at one end of the connecting rod to move downward along the sliding frame. The downward movement of the fixed sliding block drives the fixed base at one end of the fixed telescopic rod to move toward the outer wall of the paper tube. At this time, the ball bearings on the fixed base are pressed against the outer wall of the paper tube. This arrangement is conducive to the ball bearings fixing the two ends of the paper tube, thereby ensuring that the axis of the paper tube is aligned with the axis of the detection tube, avoiding the shaking of the paper tube when it rotates inside the detection tube, thereby ensuring that the contact detection head can stably measure the inner diameter of the paper tube.

[0023] (4) In the present invention, a rotation auxiliary mechanism is provided. The sliding ring moves along the threaded groove, driving the sliding plate at one end of the push rod to move along the inner wall of the air cylinder toward the end close to the auxiliary groove. At this time, the sliding plate squeezes the gas inside the air cylinder along the air inlet pipe into the air bag. At this time, the air bag expands outward and drives the flexible friction plate to move toward the outer wall of the paper tube. When the air inlet pipe and the side wall of the paper tube are squeezed, on the one hand, the rotating column drives the rotating groove block to rotate, and the rotating groove block drives the flexible friction plate to rotate. The flexible friction plate drives the paper tube to rotate. The rotation of the paper tube is beneficial to the contact detection head to fully detect the inner diameter of the paper tube. On the other hand, the squeezing of the outer wall of the paper tube by the flexible friction plate is beneficial to the stable rotation of the auxiliary paper tube, thereby improving the stability of the paper tube rotation.

[0024] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0026] Figure 1 This is a schematic diagram of the cross-sectional structure of the detection box of the present invention;

[0027] Figure 2 This is a schematic structural diagram of the detection box of the present invention from another perspective;

[0028] Figure 3 It is a schematic diagram of the structure of the inner diameter detection mechanism of the present invention;

[0029] Figure 4 For the present invention Figure 3 A magnified view of middle;

[0030] Figure 5 For the present invention Figure 3 Enlarged view of middle B;

[0031] Figure 6 For the present invention Figure 3 Enlarged view of middle C;

[0032] Figure 7 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0033] Figure 8 This is a schematic diagram of the structure of the fixing auxiliary mechanism of the present invention;

[0034] Fig. 9 It is a schematic diagram of the partial structure of the fixing auxiliary mechanism of the present invention;

[0035] Fig.10 It is a structural schematic diagram of the rotation auxiliary mechanism of the present invention;

[0036] Fig.11 For the present invention Figure 7 Enlarged view of middle D;

[0037] Fig.12 For the present invention Fig.10 Enlarged view of E in the middle;

[0038] Fig.13 The figure is a flow chart of the method for using the present invention.

[0039] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0040] In the figure: 1. Detection box; 11. Support legs; 12. Fixed plate; 13. Drive motor; 14. Output shaft; 15. Detection cylinder; 16. Feeding port; 2. Inner diameter detection mechanism; 201. Detection threaded rod; 202. Detection sliding block; 203. Telescopic detection column; 204. Contact detection head; 205. Calibration block; 206. Auxiliary sliding rod; 207. Reset spring; 208. Sliding sleeve; 3. Fixing auxiliary mechanism; 301. Gear 1; 302. Rotating column; 303. Gear 2; 304, threaded groove; 305, sliding ring; 306, fixed groove; 307, sliding frame; 308, fixed sliding block; 309, fixed telescopic rod; 310, clamping spring; 311, fixed base; 312, ball bearing; 313, connecting rod; 4, rotation auxiliary mechanism; 401, auxiliary groove; 402, push rod; 403, extrusion spring; 404, rotating groove block; 405, air cylinder; 406, sliding plate; 407, air bag; 408, flexible friction plate; 409, intake pipe. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0042] Example 1, please refer to Figure 1-Figure 5As shown, the present invention is a paper tube size detection device and a method of using the same, comprising a detection box 1, a plurality of support legs 11 are fixedly connected to the bottom of the detection box 1, a fixing plate 12 is fixedly connected to a side wall of one end of the detection box 1, a driving motor 13 is fixedly connected to the end of the fixing plate 12 away from the detection box 1, an output shaft 14 is fixedly connected to the output end of the driving motor 13, a detection cylinder 15 is fixedly connected to the inner center axis of the detection box 1, a feeding port 16 is provided at the end of the detection box 1 away from the driving motor 13, and further comprising:

[0043] The inner diameter detection mechanism 2 includes a detection threaded rod 201 fixedly connected to the end of the output shaft 14 away from the drive motor 13, and the detection threaded rod 201 is rotatably connected to the end close to the detection box 1 with a detection sliding block 202, and the side wall of the detection sliding block 202 is fixedly connected with a plurality of telescopic detection columns 203, and the end of the telescopic detection column 203 away from the detection sliding block 202 is fixedly connected with a contact detection head 204. The function of this component is that when the detection device is used, the paper tube to be detected is first pushed into the inside of the detection tube 15 along the feed port 16 on the side wall of the detection box 1, and at this time, the output end of the drive motor 13 rotates with The output shaft 14 is driven to rotate, and the rotation of the output shaft 14 drives the detection threaded rod 201 to rotate. The rotation of the detection threaded rod 201 drives the detection sliding block 202 to move toward the middle of the paper tube along the auxiliary sliding rod 206. At this time, the detection sliding block 202 drives the contact detection head 204 on the telescopic detection column 203 to move toward the inner wall of the paper tube. At this time, the contact detection head 204 on the telescopic detection column 203 performs inner diameter contact measurement on the middle part of the paper tube. This arrangement is conducive to allowing the contact detection head 204 to avoid the inner walls at both ends of the paper tube for detection. The middle part of the paper tube is not easy to deform, so the inner diameter data of the middle part of the paper tube is more accurate.

[0044] The inner diameter detection mechanism 2 also includes a calibration block 205 fixedly connected to one end of the detection tube 15 close to the drive motor 13, the contact detection head 204 is squeezed against the inner wall of the calibration block 205, and an auxiliary slide bar 206 is fixedly connected to the inner wall of the detection box 1, and the detection sliding block 202 is slidably connected to the auxiliary slide bar 206, and a reset spring 207 is sleeved on the end of the auxiliary slide bar 206 away from the calibration block 205, and a sliding sleeve 208 is slidably connected to the auxiliary slide bar 206, and the sliding sleeve 208 is fixedly connected to one end of the reset spring 207. The function of this component is that when the detection sliding block 202 drives the contact detection head 204 on the telescopic detection column 203 to move along the auxiliary slide bar 206 to the middle of the paper tube, the detection sliding block 202 is squeezed against the sliding sleeve 208 on the sliding sleeve 208, and the sliding sleeve 208 is squeezed along the auxiliary slide bar 206 to squeeze the reset spring 207. When the sliding block 202 is disengaged from the thread on the detection threaded rod 201, the detection sliding block 202 stops sliding on the auxiliary sliding rod 206. When the contact detection head 204 has completed the detection, the output end of the drive motor 13 is started to reverse. At this time, the reset spring 207 pushes the detection sliding block 202 back into the thread on the detection threaded rod 201. At this time, the detection threaded rod 201 drives the detection sliding block 202 to move toward the end close to the drive motor 13. When the contact detection head 204 on the detection sliding block 202 returns to the inside of the calibration block 205, the contact detection head 204 contacts the inner wall of the calibration block 205. Since the calibration block 205 is a standard part with a known inner diameter, at this time, the measurement accuracy of the contact detection head 204 can be determined by computer readings. This arrangement is conducive to timely calibration of the contact detection head 204, thereby improving the detection accuracy of the detection device.

[0045] Embodiment 2 is different from Embodiment 1 in that: Figure 1-Figure 13 As shown, a plurality of fixing auxiliary mechanisms 3 are provided at both ends of the detection tube 15, and the fixing auxiliary mechanism 3 includes a gear 1 301 fixedly connected to the end of the output shaft 14 away from the driving motor 13, and a plurality of rotating columns 302 are rotated through the side wall of the detection box 1, and a gear 2 303 is fixedly connected to the end of the rotating column 302 close to the gear 1 301, and the gear 2 303 is meshed with the gear 1 301.

[0046] The fixing auxiliary mechanism 3 also includes a thread groove 304 opened in the middle of the gear 1 301, and both ends of the detection cylinder 15 are slidably connected with sliding rings 305, and the sliding rings 305 are rotatably connected to the thread groove 304 on the rotating column 302. Both ends of the detection cylinder 15 are opened with a plurality of fixed grooves 306, and the outer walls of the detection cylinder 15 corresponding to the fixed grooves 306 are fixedly connected with a plurality of sliding frames 307, and the sliding frame 307 is slidably connected with a fixed sliding block 308 on the side away from the detection cylinder 15.

[0047] The fixed auxiliary mechanism 3 also includes a plurality of fixed telescopic rods 309 fixedly connected to the bottom of the fixed sliding block 308, and the end of the fixed telescopic rod 309 away from the fixed sliding block 308 is sleeved with a clamping spring 310, and the end of the fixed telescopic rod 309 away from the fixed sliding block 308 is fixedly connected to a fixed base 311, and the fixed base 311 is slidably connected inside the fixed groove 306, and the bottom of the fixed base 311 is inlaid with a plurality of balls 312, and the side of the sliding ring 305 close to the sliding frame 307 is rotatably connected to a plurality of connecting rods 313, and the end of the connecting rod 313 away from the sliding ring 305 is rotatably connected to the fixed sliding block 308. The function of this component is to set the fixed auxiliary mechanism 3, and when the paper tube is detected, the output shaft 14 rotates to drive the gear 1 301 to rotate, and the gear 1 301 rotates to drive the gear The rotating column 302 on the second wheel 303 rotates, and the rotation of the rotating column 302 drives the sliding ring 305 to move along the threaded groove 304. At this time, the sliding ring 305 moves along the outer wall of the detection tube 15 toward the middle of the detection tube 15. The sliding ring 305 drives the fixed sliding block 308 at one end of the connecting rod 313 to move downward along the sliding frame 307. The fixed sliding block 308 moves downward and drives the fixed base 311 at one end of the fixed telescopic rod 309 to move toward the outer wall of the paper tube. At this time, the ball 312 on the fixed base 311 is pressed against the outer wall of the paper tube. This arrangement is conducive to the ball 312 to fix the two ends of the paper tube, thereby ensuring that the axis of the paper tube is aligned with the axis of the detection tube 15, avoiding the shaking of the paper tube when rotating inside the detection tube 15, thereby ensuring that the contact detection head 204 stably measures the inner diameter of the paper tube.

[0048] A rotation auxiliary mechanism 4 is provided in the middle of the rotating column 302, and the rotation auxiliary mechanism 4 includes a plurality of auxiliary grooves 401 opened on the side wall of the detection tube 15, and a plurality of push rods 402 are fixedly connected to one end of the sliding ring 305 away from the connecting rod 313. An extrusion spring 403 is sleeved on the rotating column 302, and the extrusion spring 403 is fixedly connected to one side of the sliding ring 305. A rotating groove block 404 is fixedly connected to the side wall of the rotating column 302 corresponding to the auxiliary groove 401.

[0049] The rotation auxiliary mechanism 4 also includes an air cylinder 405 fixedly connected to the side of the rotating groove block 404 close to the sliding ring 305, and the end of the push rod 402 away from the sliding ring 305 is fixedly connected to a sliding sheet 406, and the sliding sheet 406 is slidably connected to the inside of the air cylinder 405. An air bag 407 is fixedly connected to the inside of the rotating groove block 404, and a flexible friction sheet 408 is fixedly connected to the side wall of the air bag 407. A plurality of air inlet pipes 409 are fixedly penetrated on the side of the air bag 407 close to the air cylinder 405. The function of this component is to set the rotation auxiliary mechanism 4, and the sliding ring 305 moves along the threaded groove 304 to drive the sliding sheet 406 at one end of the push rod 402 to move along the inner wall of the air cylinder 405 Move close to one end of the auxiliary groove 401, at this time, the sliding sheet 406 squeezes the gas inside the air cylinder 405 along the air inlet pipe 409 into the air bag 407, and at this time the air bag 407 expands outward and drives the flexible friction sheet 408 to move toward the outer wall of the paper tube. When the air inlet pipe 409 is squeezed with the side wall of the paper tube, on the one hand, the rotating column 302 drives the rotating groove block 404 to rotate, and the rotating groove block 404 drives the flexible friction sheet 408 to rotate, and the flexible friction sheet 408 drives the paper tube to rotate. The rotation of the paper tube is beneficial to the contact detection head 204 to fully detect the inner diameter of the paper tube. On the other hand, the squeezing of the outer wall of the paper tube by the flexible friction sheet 408 is beneficial to the stable rotation of the auxiliary paper tube, thereby improving the stability of the paper tube rotation.

[0050] A paper tube size detection device and a method for using the same include the following steps:

[0051] Step 1: Test the site for further testing;

[0052] Step 2: Assist in fixing the paper tube;

[0053] Step 3: Assist in rotating the paper tube;

[0054] Step 4: Calibrate the tested parts.

[0055] A specific application of this embodiment is:

[0056] When using the detection device, first push the paper tube to be detected into the detection tube 15 along the feed port 16 on the side wall of the detection box 1. At this time, the output end of the driving motor 13 rotates to drive the output shaft 14 to rotate, and the rotation of the output shaft 14 drives the detection threaded rod 201 to rotate. The rotation of the detection threaded rod 201 drives the detection sliding block 202 to move toward the middle of the paper tube along the auxiliary sliding rod 206. At this time, the detection sliding block 202 drives the contact detection head 204 on the telescopic detection column 203 to move toward the inner wall of the paper tube. At this time, the contact detection head 204 on the telescopic detection column 203 performs inner diameter contact measurement on the middle part of the paper tube. This arrangement is conducive to allowing the contact detection head 204 to avoid the inner walls of the two ends of the paper tube for detection. The middle part of the paper tube is not easy to deform, so the inner diameter data of the middle part of the paper tube is more accurate; when the detection sliding block 202 drives the contact detection head 204 on the telescopic detection column 203 to move to the middle of the paper tube along the auxiliary sliding rod 206, the detection sliding block 202 and the sliding sleeve 208 When the detection slide block 202 is disengaged from the thread on the detection threaded rod 201, the detection slide block 202 stops sliding on the auxiliary slide bar 206. When the contact detection head 204 has completed the detection, the output end of the drive motor 13 is started to reverse. At this time, the reset spring 207 pushes the detection slide block 202 back into the thread on the detection threaded rod 201. At this time, the detection threaded rod 201 drives the detection slide block 202 to move toward the end close to the drive motor 13. When the contact detection head 204 on the detection slide block 202 returns to the inside of the calibration block 205, the contact detection head 204 contacts the inner wall of the calibration block 205. Since the calibration block 205 is a standard part with a known inner diameter, the measurement accuracy of the contact detection head 204 can be determined by computer readings at this time. This arrangement is conducive to timely calibration of the contact detection head 204, thereby improving the detection accuracy of the detection device.

[0057] At the same time, by setting the fixed auxiliary mechanism 3, when the paper tube is detected, the output shaft 14 rotates to drive the gear 1 301 to rotate, the gear 1 301 rotates to drive the rotating column 302 on the gear 2 303 to rotate, the rotating column 302 rotates to drive the sliding ring 305 to move along the threaded groove 304, at this time, the sliding ring 305 moves along the outer wall of the detection tube 15 toward the middle of the detection tube 15, the sliding ring 305 drives the fixed sliding block 308 at one end of the connecting rod 313 to move downward along the sliding frame 307, the fixed sliding block 308 moves downward to drive the fixed base 311 at one end of the fixed telescopic rod 309 to move toward the outer wall of the paper tube, at this time, the ball 312 on the fixed base 311 is pressed against the outer wall of the paper tube, such a setting is conducive to the ball 312 to fix the two ends of the paper tube, so as to ensure that the axis of the paper tube is aligned with the axis of the detection tube 15, and avoid the shaking of the paper tube when it rotates inside the detection tube 15, thereby ensuring The contact detection head 204 stably measures the inner diameter of the paper tube; by setting up the rotation auxiliary mechanism 4, the sliding ring 305 moves along the threaded groove 304 to drive the sliding plate 406 at one end of the push rod 402 to move along the inner wall of the air cylinder 405 to the end close to the auxiliary groove 401. At this time, the sliding plate 406 squeezes the gas inside the air cylinder 405 and enters the air bag 407 along the air inlet pipe 409. At this time, the air bag 407 expands outward and drives the flexible friction plate 408 to move toward the outer wall of the paper tube. When the air inlet pipe 409 is squeezed with the side wall of the paper tube, on the one hand, the rotating column 302 drives the rotating groove block 404 to rotate, and the rotating groove block 404 drives the flexible friction plate 408 to rotate, and the flexible friction plate 408 drives the paper tube to rotate. The rotation of the paper tube is beneficial to the contact detection head 204 to fully detect the inner diameter of the paper tube. On the other hand, the squeezing of the outer wall of the paper tube by the flexible friction plate 408 is beneficial to the stable rotation of the auxiliary paper tube, thereby improving the stability of the paper tube rotation.

[0058] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A paper tube size detection device, comprising a detection box (1), the bottom of the detection box (1) is fixedly connected to a plurality of support legs (11), one end of the side wall of the detection box (1) is fixedly connected to a fixing plate (12), the end of the fixing plate (12) away from the detection box (1) is fixedly connected to a driving motor (13), the output end of the driving motor (13) is fixedly connected to an output shaft (14), the inner center axis of the detection box (1) is fixedly connected to a detection cylinder (15), and the end of the detection box (1) away from the driving motor (13) is provided with a feed port (16), characterized in that: Also includes: An inner diameter detection mechanism (2) comprises a detection threaded rod (201) fixedly connected to an end of an output shaft (14) away from a drive motor (13); an end of the detection threaded rod (201) close to a detection box (1) is rotatably connected to a detection sliding block (202); a side wall of the detection sliding block (202) is fixedly connected to a plurality of telescopic detection columns (203); and an end of the telescopic detection column (203) away from the detection sliding block (202) is fixedly connected to a contact detection head (204).

2. A paper tube size detection device according to claim 1, characterized in that: The inner diameter detection mechanism (2) also includes a calibration block (205) fixedly connected to one end of the detection tube (15) close to the drive motor (13); the contact detection head (204) is pressed against the inner wall of the calibration block (205); an auxiliary sliding rod (206) is fixedly connected to the inner wall of the detection box (1); the detection sliding block (202) is slidably connected to the auxiliary sliding rod (206); a reset spring (207) is sleeved on one end of the auxiliary sliding rod (206) away from the calibration block (205); a sliding sleeve (208) is slidably connected to the auxiliary sliding rod (206); and the sliding sleeve (208) is fixedly connected to one end of the reset spring (207).

3. A paper tube size detection device according to claim 2, characterized in that: A plurality of fixing auxiliary mechanisms (3) are provided at both ends of the detection barrel (15), and the fixing auxiliary mechanisms (3) include a gear 1 (301) fixedly connected to an end of the output shaft (14) away from the drive motor (13); a plurality of rotating columns (302) are rotatably penetrated through the side wall of the detection box (1); a gear 2 (303) is fixedly connected to an end of the rotating column (302) close to the gear 1 (301); and the gear 2 (303) is meshed with the gear 1 (301).

4. A paper tube size detection device according to claim 3, characterized in that: The fixing auxiliary mechanism (3) further comprises a thread groove (304) provided in the middle of the gear 1 (301); both ends of the detection cylinder (15) are slidably connected with sliding rings (305); the sliding rings (305) are rotatably connected to the thread grooves (304) on the rotating column (302); both ends of the detection cylinder (15) are provided with a plurality of fixing grooves (306); the outer walls of the detection cylinder (15) corresponding to the fixing grooves (306) are fixedly connected with a plurality of sliding frames (307); and a fixed sliding block (308) is slidably connected to the side of the sliding frame (307) away from the detection cylinder (15).

5. A paper tube size detection device according to claim 4, characterized in that: The fixing auxiliary mechanism (3) also includes a plurality of fixed telescopic rods (309) fixedly connected to the bottom of the fixed sliding block (308); one end of the fixed telescopic rod (309) away from the fixed sliding block (308) is sleeved with a clamping spring (310); one end of the fixed telescopic rod (309) away from the fixed sliding block (308) is fixedly connected to a fixed base (311); the fixed base (311) is slidably connected inside the fixing groove (306); a plurality of balls (312) are embedded at the bottom of the fixed base (311); a side of the sliding ring (305) close to the sliding frame (307) is rotatably connected to a plurality of connecting rods (313); one end of the connecting rod (313) away from the sliding ring (305) is rotatably connected to the fixed sliding block (308).

6. A paper tube size detection device according to claim 5, characterized in that: A rotation auxiliary mechanism (4) is arranged in the middle of the rotating column (302), and the rotation auxiliary mechanism (4) comprises a plurality of auxiliary grooves (401) provided on the side wall of the detection cylinder (15); one end of the sliding ring (305) away from the connecting rod (313) is fixedly connected to a plurality of pushing rods (402); a pressing spring (403) is sleeved on the rotating column (302), and the pressing spring (403) is fixedly connected to one side of the sliding ring (305); and a rotating groove block (404) is fixedly connected to the side wall of the rotating column (302) corresponding to the auxiliary groove (401).

7. A paper tube size detection device according to claim 6, characterized in that: The rotation auxiliary mechanism (4) also includes an air cylinder (405) fixedly connected to a side of the rotating groove block (404) close to the sliding ring (305); a sliding sheet (406) is fixedly connected to one end of the push rod (402) away from the sliding ring (305); the sliding sheet (406) is slidably connected to the inside of the air cylinder (405); an air bag (407) is fixedly connected to the inside of the rotating groove block (404); a flexible friction sheet (408) is fixedly connected to the side wall of the air bag (407); and a plurality of air intake pipes (409) are fixedly penetrated through one side of the air bag (407) close to the air cylinder (405).

8. A paper tube size detection device and a method for using the same, comprising: It includes the following steps: Step 1: Test the site for further testing; Step 2: Assist in fixing the paper tube; Step 3: Assist in rotating the paper tube; Step 4: Calibrate the tested parts.

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