A printing roller detection device

By designing an automated printing roller inspection device, which utilizes a servo motor to drive rotation and an electronic dial indicator for inspection, the problem of insufficient inspection accuracy caused by manual rotation is solved, and high-precision automatic inspection is achieved.

CN117091480BActive Publication Date: 2025-11-07ZHEJIANG HEXUAN LASER TECH CO LTD
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Patent Information

Application Number
CN202311058712.4
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-08-21
Publication Date
2025-11-07
Estimated Expiration
2043-08-21

AI Technical Summary

Technical Problem

Existing printing roller inspection methods rely on manual rotation and lack sufficient accuracy, affecting inspection precision.

Method used

A detection device comprising a frame, a detection unit, and a storage unit was designed. It utilizes a servo motor to drive the printing roller to rotate and an electronic dial indicator to automatically detect the outer peripheral wall of the printing roller. Combined with a lead screw slide, it achieves automated detection.

Benefits of technology

It has achieved fully automated inspection of printing rollers, improving inspection accuracy and efficiency, and ensuring the accuracy of inspection results.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the technical field of production and manufacture of printing roller, and relates to a detection device of printing roller, which comprises a frame body, a detection unit and a storage unit, the frame body is provided with a screw sliding table, the detection unit comprises a circular ring sleeve and three measuring rods, the measuring rods are movably connected with the circular ring sleeve, the circular ring sleeve is drivingly connected with the screw sliding table, the storage unit comprises a base, a rotating cylinder and a motor, the rotating cylinder is rotatably connected with the base, the output end of the motor is connected with the rotating cylinder so as to control the rotation of the rotating cylinder relative to the base, the rotating cylinder has an opening, the opening downwardly has a cavity for inserting one end of the printing roller, and the rotating cylinder is provided with a fastening structure for fixing the inserted printing roller, the present application has reasonable and simple structure, high practicability, can automatically control the rotation of the printing roller, and can realize automatic control detection.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of production of printing roller, more particularly, it relates to a printing roller detection device. BACKGROUND

[0002] The printing roller is used for printing on the printing flexo plate, after the printing roller is processed and formed, the surface thereof needs to be detected, at present, the mainstream way is to horizontally place the printing roller on two front and back symmetrical bases, and then contact the printing roller surface by using the dial gauge, and rotate the printing roller manually to realize the contact between the dial gauge and the printing roller wall, so as to meet the checking requirements.

[0003] The above existing way adopts the manual force rotating printing roller mode, and during the detection, the dial gauge needs to be manually moved along the length direction of the printing roller to detect, thereby affecting the detection accuracy. SUMMARY

[0004] In view of the deficiencies in the prior art, the purpose of the present application is to provide a printing roller detection device with reasonable and simple structure, strong practicability, automatic control of printing roller rotation, and automatic control detection.

[0005] To achieve the above purpose, the present application provides the following technical scheme:

[0006] A printing roller detection device, comprising a frame body, a detection unit and a storage unit,

[0007] The frame body is provided with a lead screw sliding table,

[0008] The detection unit comprises a circular ring sleeve and three measuring rods, and the measuring rods and the circular ring sleeve are movably connected,

[0009] The circular ring sleeve is drivingly connected with the lead screw sliding table,

[0010] The storage unit comprises a base, a rotating cylinder and a motor, the rotating cylinder is rotatably connected with the base, the output end of the motor is connected with the rotating cylinder to control the rotation of the rotating cylinder relative to the base, the rotating cylinder has an opening, the opening downwardly has a cavity for inserting one end of the printing roller, and the rotating cylinder is provided with a fastening structure for fixing the inserted printing roller.

[0011] The frame body is further provided with a butt joint, the butt joint and the storage unit are symmetrically arranged, the butt joint is movably connected with the frame body, a through hole is formed in the center of the butt joint for extending the other end of the printing roller, a guide rod is arranged on the butt joint, a cross bar is arranged on the frame body, the cross bar has a hole position for penetrating the guide rod, and a torsion screw is arranged on the cross bar for locking the position of the guide rod.

[0012] The application further provides that the docking piece comprises a shell and a ball bushing, a through hole is arranged in the center of the shell, and the ball bushing is arranged in the through hole so that the end of the printing roller penetrates through.

[0013] The application further provides that three connecting holes for connecting the measuring rod are arranged on the ring sleeve, the inner wall of the connecting hole is provided with an internal thread, the measuring rod comprises a rod body and an electronic micrometer, the electronic micrometer is connected to the end of the rod body, and the outer wall of the measuring rod is provided with an external thread for threadedly connecting with the connecting hole.

[0014] The application further provides that the fastening structure comprises a rotating disc and three rocker arms, the rotating disc is provided with a work position hole for the printing roller to penetrate through, the three rocker arms are uniformly distributed on the outer side of the work position hole, the rotating disc and the rotating cylinder are rotationally connected,

[0015] The rotating cylinder is provided with three setting seats for arranging the rocker arms, and the two ends of the rocker arm are movably connected with the rotating disc and the setting seat, so that when the rotating disc rotates, the rocker arm presses the printing roller in the work position hole.

[0016] The application further provides that the rotating disc comprises a lower disc body and an upper disc body, the upper disc body is provided with support columns connected with the lower disc body, the support columns are three in number, the support columns are arranged around the outer side of the work position hole, one of the support columns is provided with a force applying handle, and the adjacent two support columns form a work position for connecting one end of the rocker arm, the upper disc body and the lower disc body on the work position are provided with connecting holes connected with each other on the same axis, and one end of the rocker arm is rotationally connected with the connecting hole.

[0017] The application further provides that the outer wall of the setting seat is provided with an extension block, a step part for the rotating disc to move is formed between the extension block and the rotating cylinder, the top surface of the setting seat is provided with an open slot, and a sliding groove is arranged on the bottom of the open slot, and the sliding groove is in an arc shape.

[0018] The application further provides that the rocker arm comprises an inner rotating body, a beam body and an outer rotating body connected in sequence, the inner rotating body and the outer rotating body are both in a cylindrical shape, the upper and lower end surfaces of the inner rotating body are respectively provided with an upper eccentric pin column and a lower eccentric pin column, the upper eccentric pin column and the lower eccentric pin column are rotationally connected with the connecting holes on the upper disc body and the lower disc body, the outer rotating body is arranged in the open slot and is slidably connected with the sliding groove.

[0019] Compared with the prior art, the application has the following beneficial effects:

[0020] The printing roller with detection is vertically inserted into the rotating cylinder, one end is fixed through the fastening structure, then the butt joint piece is inserted into the other end of the printing roller, the position of the printing roller is fixed, the electronic micrometer on the measuring rod and the outer edge of the printing roller are in contact, the motor drives the printing roller to rotate by 360 degrees, so that the outer peripheral wall at the same horizontal height on the printing roller is detected, when the data at the height is detected, the screw slide table drives the circular ring sleeve to descend, so that the electronic micrometer descends to contact and detect the outer wall of the printing roller at the next horizontal height. The whole process is fully automatic detection, which ensures the accuracy. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present application;

[0022] Figure 2 It is a structural schematic diagram of the fastening structure and the rotating cylinder of the present application;

[0023] Figure 3 It is a sectional view of the rotating cylinder;

[0024] Figure 4 It is a structural schematic diagram of the rocker arm;

[0025] Figure 5 It is a sectional view of the butt joint piece.

[0026] frame 1, screw slide table 2, servo motor 21, screw rod 22, sliding block 23, detection unit 3, circular ring sleeve 31, measuring rod 32, rod body 321, electronic micrometer 322, butt joint piece 4, shell 41, ball bushing 42, storage unit 5, base 51, rotating cylinder 52, motor 53,

[0027] fastening structure 6, rotating disc 7, rocker arm 8, work station hole 60, mounting seat 9, extension block 91, open slot 90, sliding groove 900, lower disc body 71, upper disc body 72, support column 73, rotating handle 74, inner rotating body 81, beam body 82, outer rotating body 83, upper eccentric pin column 811, lower eccentric pin column 812. DETAILED DESCRIPTION

[0028] REFERENCE Figures 1 to 4 The embodiments of the present application are further described.

[0029] The specific structure of the present embodiment includes frame 1, detection unit 3 and storage unit 5.

[0030] The frame 1 is provided with a screw slide table 2, which includes a servo motor 21, a screw rod 22 and a sliding block 23. The sliding block is connected to the screw rod, and when the servo motor 21 drives the screw rod to rotate, the sliding block moves axially on the screw rod.

[0031] The detection unit 3 includes a circular ring sleeve 31 and three measuring rods 32,

[0032] The circular sleeve 31 is provided with three connecting holes for connecting the measuring rod 32, and the inner wall of the connecting hole is provided with internal threads.

[0033] The measuring rod 32 comprises a rod body 321 and an electronic micrometer 322 connected to the end of the rod body 321, and the outer wall of the rod body 321 is provided with external threads for connecting with the connecting hole, so that the position of the electronic micrometer 322 can be controlled by rotating the rod body 321, thereby satisfying the contact with the outer wall of the printing roller to be detected.

[0034] The circular sleeve 31 is connected with the sliding block on the screw sliding table 2, so that the circular sleeve 31 can be lifted when the servo motor is driven.

[0035] The frame body 1 is further provided with a butt joint 4 and a receiving unit 5 which are symmetrically arranged. The butt joint 4 comprises a shell 41 and a ball bushing 42, the center of the shell 41 is provided with a through hole penetrating the body, and the ball bushing 42 is arranged in the through hole. When the end of the printing roller extends into the ball bushing 42, it will contact the balls in the ball bushing 42. When the printing roller rotates under force, it will roll with the balls in the ball bushing 42.

[0036] The butt joint 4 is provided with a guide rod 4a, and the frame body 1 is provided with a cross bar 11 having a hole for the guide rod to penetrate. The cross bar 11 is provided with a torsion screw 12 for locking the position of the guide rod, so as to realize the insertion of the butt joint 4 into one end of the printing roller.

[0037] The receiving unit 5 comprises a base 51, a rotating cylinder 52 and a motor 53, the bottom of the rotating cylinder 52 is provided with a shaft, and the base 51 is provided with a bearing for connecting the shaft.

[0038] The output end of the motor 53 is provided with a driving gear, and the bottom of the rotating cylinder 52 is provided with a driven gear, so that the motor can control the rotation of the rotating cylinder 52 relative to the base 51.

[0039] The upper end of the rotating cylinder 52 is provided with an opening, and the opening is downwardly provided with a cavity for inserting one end of the printing roller, and the rotating cylinder 52 is provided with a fastening structure for fixing the inserted printing roller.

[0040] The fastening structure 6 comprises a rotating disc 7 and three rocker arms 8, the rotating disc 7 is provided with a working position hole 60 for the printing roller to penetrate, and the three rocker arms 8 are evenly distributed outside the working position hole 60.

[0041] The rotating cylinder 52 is provided with three seating seats 9 for arranging the rocker arms 8, and the two ends of the rocker arms 8 are movably connected with the rotating disc 7 and the seating seats 9, so that when the rotating disc 7 rotates, the rocker arms 8 can press the printing roller in the working position hole 60.

[0042] The rotary disc 7 comprises a lower disc body 71 and an upper disc body 72, the upper disc body 72 is provided with support columns 73 connected with the lower disc body 71, the support columns 73 are three, the support columns 73 are arranged around the outer side of the work position hole 60, one of the support columns 73 is connected with a force applying handle 74, the two adjacent support columns 73 form a work position for connecting one end of the rocker arm 8, the upper disc body 72 and the lower disc body 71 on the work position are provided with connecting holes on the same axis, and one end of the rocker arm 8 is rotationally connected with the connecting holes.

[0043] The outer side wall of the installation seat 9 is provided with an extension block 91, the extension block 91 and the rotary cylinder body 52 form a step part for the activity of the rotary disc 7, the top surface of the installation seat 9 is provided with an open slot 90, and a sliding groove is arranged on the groove bottom of the open slot 90, the sliding groove is in an arc shape.

[0044] The rocker arm 8 comprises an inner rotating body 81, a beam body 83 and an outer rotating body 82 connected in sequence, the inner rotating body 81 and the outer rotating body 82 are both in a cylindrical shape, the upper and lower end surfaces of the inner rotating body 81 are respectively provided with an upper eccentric pin column 811 and a lower eccentric pin column 812, the upper eccentric pin column 811 and the lower eccentric pin column 812 are respectively rotationally connected with the connecting holes on the upper disc body 72 and the lower disc body 71, and the outer rotating body 82 is provided with a pin column 821 below the open slot 90, the pin column 821 is slidingly connected with the sliding groove 900.

[0045] Working principle:

[0046] The printing roller to be detected is vertically inserted into the cavity of the rotary cylinder body 52, the force applying handle 74 is rotated counterclockwise, the force applying handle 74 rotates the rotary disc 7 in the step part, during this period, the upper disc body 72 and the lower disc body 71 move the inner rotating body 81 of the rocker arm 8 to the center of the work position hole 60, and the outer rotating body 82 moves outward in the sliding groove, so that the three inner rotating bodies 81 extrude and fix the printing roller on the work position hole 60, then the butt joint piece 4 is moved downward along the sliding rod, so that the ball bushing 42 is sleeved on one end of the printing roller and abuts against the printing roller, the upper and lower positions of the printing roller are locked, the rotary rod body 321 is adjusted, the output end of the electronic micrometer 322 is in contact with the printing roller, then the motor drives the rotary cylinder body 52 to rotate with the printing roller, so that the electronic micrometer 322 detects the circumferential wall of the printing roller, the servo motor drives the circular ring sleeve 31 to descend, and the length direction of the printing roller can be detected, and since the electronic micrometer 322 is provided with three, the detection precision is greatly improved.

[0047] The above only describes the preferred embodiment of the present application, and is not used to limit the present application, and the person skilled in the art can make common changes and replacements within the technical scheme range of the present application, which should be included in the protection range of the present application.

Claims

1. A print roller inspection apparatus characterized by: Including frame (1), detection unit (3) and storage unit (5), Frame (1) is equipped with screw slide (2), Detection unit (3), it includes circular ring cover (31) and three measuring rods (32), measuring rod (32) and circular ring cover (31) are movably connected, Circular ring cover (31) and screw slide (2) are transmission connection, Storage unit (5), it includes base (51), rotating cylinder (52) and motor, rotating cylinder (52) and base (51) are rotationally connected, the output end of motor is connected rotating cylinder (52), in order to control rotating cylinder (52) relative base (51) rotation, rotating cylinder (52) has an opening, opening is downward and is provided with the cavity for the one end of printing roller insertion, rotating cylinder (52) is equipped with the fastening structure for the printing roller inserted and fixed, The fastening structure (6) includes rotating disc (7) and three rocker arms (8), rotating disc (7) has work position hole (60) for printing roller through in the center, three rocker arms (8) are evenly distributed on the outside of work position hole (60), rotating disc (7) and rotating cylinder (52) are rotationally connected, Rotating cylinder (52) is equipped with three setting seats (9) for arranging rocker arm (8), two ends of rocker arm (8) are movably connected with rotating disc (7) and setting seat (9) respectively, so that when rotating disc (7) rotates, rocker arm (8) is extruded to printing roller in work position hole (60), Rotating disc (7) includes lower disc body (71) and upper disc body (72), upper disc body (72) is equipped with support column (73) connected with lower disc body (71), support column (73) has three, support column (73) is arranged around the outside of work position hole (60), one of support column (73) is connected with force knob (74), adjacent two support columns (73) form work position for one end of rocker arm (8) to connect, upper disc body (72) and lower disc body (71) are provided with connecting holes on the same axis on the work position, one end of rocker arm (8) is rotationally connected with connecting hole, The top surface of setting seat (9) is provided with an open slot (90), and a sliding groove is formed in the bottom of the open slot (90), Rocker arm (8) includes inner rotating body (81), beam body (83) and outer rotating body (82) connected in sequence, inner rotating body (81) and outer rotating body (82) are both cylindrical, upper eccentric pin column (811) and lower eccentric pin column (812) are respectively arranged on the upper and lower end faces of inner rotating body (81), upper eccentric pin column (811) and lower eccentric pin column (812) are rotationally connected with connecting holes on upper disc body (72) and lower disc body (71), outer rotating body (82) lower end is in open slot (90), and is slidably connected with sliding groove.

2. The apparatus for detecting a printing roller according to claim 1, wherein: The frame body (1) is further provided with a butt joint piece (4), the butt joint piece (4) and the receiving unit (5) are symmetrically arranged, the butt joint piece (4) is movably connected with the frame body (1), a through hole is formed in the center of the butt joint piece (4) for the other end of the printing roller to extend into, a guide rod (4a) is arranged on the butt joint piece (4), the frame body is provided with a cross rod (11), the cross rod (11) is provided with a hole for the guide rod (4a) to pass through, and the cross rod (11) is provided with a torsion screw (12) for locking the position of the guide rod.

3. The apparatus of claim 2, wherein: The butt joint piece (4) comprises a shell (41) and a ball bushing (42), the through hole is formed in the center of the shell (41), and the ball bushing (42) is arranged in the through hole so that the end of the printing roller can pass through.

4. The apparatus of claim 1, wherein: Three connecting holes for connecting the measuring rod (32) are formed in the annular sleeve (31), the inner wall of the connecting hole is provided with an internal thread, the measuring rod (32) comprises a rod body (321) and an electronic dial gauge (322), the electronic dial gauge (322) is connected to the end of the rod body (321), and the outer peripheral wall of the measuring rod (32) is provided with an external thread for threadedly connecting with the connecting hole.

5. The apparatus of claim 4, wherein: The outer side wall of the mounting seat (9) is provided with an extension block (91), and a step portion for movably arranging the rotating disc (7) is formed between the extension block (91) and the rotating cylinder (52).

Citation Information

Patent Citations

  • Clamping structure for printing roller shaft detection

    CN116922296A