CN119309519B - Printing machine screen frame flatness detection equipment - Google Patents
Printing machine screen frame flatness detection equipment Download PDFInfo
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- CN119309519B CN119309519B CN202411845634.7A CN202411845634A CN119309519B CN 119309519 B CN119309519 B CN 119309519B CN 202411845634 A CN202411845634 A CN 202411845634A CN 119309519 B CN119309519 B CN 119309519B
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- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Screen Printers (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The invention provides a flatness detection device for a screen frame of a printing machine, which belongs to the technical field of flatness detection and comprises a ranging system and a supporting system, wherein the ranging system is provided with four guide seats which are connected end to end in sequence and are in square surrounding, ranging parts which are in one-to-one correspondence with the guide seats, and a power unit which enables the ranging parts to move along the length direction of the guide seats, the ranging parts are used for measuring the distance from the ranging parts to a mounting surface, the supporting system is provided with four fixing plates which are parallel to a horizontal plane, the four fixing plates are arranged at intervals and are used for receiving four corners of the screen frame, and the fixing plates are positioned above the guide seats and fixedly connected with the end parts of the guide seats. The invention improves the detection efficiency of the net frame.
Description
Technical Field
The invention belongs to the technical field of flatness detection, and particularly relates to a printing machine screen frame flatness detection device.
Background
The screen frame of the printing machine is a frame for supporting the screen, is an important component of the printing machine, the flatness of the screen frame directly determines the contact state between the screen and a printing stock during printing, and if the flatness of the screen frame is poor, the screen can deform or move in the printing process, so that the printing precision is low, and therefore the flatness of the screen frame needs to be detected.
The flatness detection of the screen frame is mainly to detect the installation surface or the printing surface (i.e. the surface contacted with the printing material) of the screen frame, and currently, a clearance gauge is generally used to detect the flatness of the screen frame, and after the screen frame is placed on a reference plane, a specified clearance gauge cannot be plugged between the screen frame and the reference plane, namely, the flatness of the screen frame is qualified.
The net frame is provided with four sides, the four sides of the net frame are required to verify whether the feeler gauge can be plugged between the reference plane and the net frame, and the positions of one side of the net frame, which are required to be verified, are also many, so that a great deal of time is required for detecting the flatness of one net frame, and the defect of low detection efficiency exists.
Disclosure of Invention
The embodiment of the invention provides a device for detecting flatness of a screen frame of a printing machine, which aims to solve the technical problem of low detection efficiency.
In order to achieve the above purpose, the invention adopts the technical scheme that the flatness detection equipment for the screen frame of the printing machine is provided, is applicable to the screen frame with the mounting surface and comprises:
The distance measuring system is provided with four guide seats which are connected end to end in sequence and are enclosed into a square shape, distance measuring parts which are in one-to-one correspondence with the guide seats, and a power unit which enables the distance measuring parts to move along the length direction of the guide seats, wherein the distance measuring parts are used for measuring the distance from the distance measuring parts to the mounting surface;
The support system is provided with four fixing plates parallel to the horizontal plane, the four fixing plates are arranged at intervals and used for bearing four corners of the net frame, and the fixing plates are positioned above the guide seat and fixedly connected with the end parts of the guide seat.
In one possible implementation manner, the guide seat is provided with a head end and a tail end, and the fixing plate is fixedly arranged on the top of the head end;
Each tail end is fixedly connected with a push-pull system, each push-pull system comprises a push-pull piece, each push-pull piece is provided with a fixed end and a movable end, the fixed ends of the push-pull pieces are fixed on the plane where the screen frame flatness detection equipment of the printing machine is placed, the movable ends of the push-pull pieces are fixedly connected with the corresponding tail ends, and the movable ends of the push-pull pieces move along the length direction corresponding to the guide seats.
In a possible implementation manner, the push-pull system further comprises a sliding seat, a fixing seat and a positioning rod, the fixing end of the push-pull piece is fixedly connected with the sliding seat, a groove is formed in the bottom wall of the sliding seat, a convex strip matched with the sliding groove in a sliding manner is arranged on the top surface of the fixing seat, the convex strip is arranged along a direction perpendicular to the length direction of the corresponding guide seat, the end part of the positioning rod extends into the groove from the outer wall of the sliding seat and is used for propping against the convex strip, and the positioning rod is in threaded connection with the sliding seat.
In one possible implementation manner, the top surface of the fixing plate is fixedly provided with an L-shaped positioning plate, the positioning plate is provided with two mutually perpendicular positioning surfaces, the two positioning surfaces are perpendicular to a horizontal plane, and the inner sides of the two positioning surfaces are respectively provided with a fastening plate;
the printing machine screen frame flatness detection device further comprises an adjusting system arranged between the fastening plate and the positioning plate, and the adjusting system is used for adjusting the distance between the fastening plate and the positioning surface.
In one possible implementation manner, a corner of the fixing plate, which faces the space surrounded by the four guide seats, is provided with a notch, and the notch is positioned in an area surrounded by the two positioning surfaces;
The supporting system further comprises supporting units in one-to-one correspondence with the fixing plates, the supporting units comprise a base plate located below the fixing plates, a first telescopic piece connected between the base plate and the guide seat, a second telescopic piece fixedly arranged on the top surface of the base plate, and a supporting plate connected with the second telescopic piece, wherein the first telescopic piece is used for driving the base plate to move along the horizontal direction, and the second telescopic piece is used for driving the supporting plate to move along the vertical direction.
In one possible implementation, the adjustment system includes:
The first distance adjusting rod penetrates through the positioning plate and is in sliding fit with the positioning plate, the first distance adjusting rod is horizontally arranged, and one end of the first distance adjusting rod is fixedly connected with the fastening plate;
The distance adjusting sleeve is in threaded connection with the first distance adjusting rod and is rotationally connected with the positioning plate around the central axis of the distance adjusting sleeve.
In one possible implementation, the adjustment system further includes:
the vertical plate is fixedly connected to the top of the fixed plate;
the linkage rod is rotationally connected to the vertical plate around the central axis of the linkage rod, and the axial direction of the linkage rod is horizontal and is in transmission connection with the two distance adjusting sleeves on the same fixed plate.
In one possible implementation manner, the side wall of the positioning plate is provided with a through hole for the first distance adjusting rod to pass through, a limiting block is fixedly arranged on the inner wall of the through hole, a limiting groove matched with the limiting block in a sliding manner is formed in the outer wall of the first distance adjusting rod, and the limiting groove extends along the length direction of the first distance adjusting rod.
In one possible implementation, the adjustment system includes:
the second distance adjusting rod penetrates through the positioning plate and is in threaded connection with the positioning plate, and the second distance adjusting rod is rotationally connected with the fastening plate around the central axis of the second distance adjusting rod;
the third telescopic piece is fixedly arranged between the fastening plate and the positioning plate.
In one possible implementation manner, a walking groove is formed in the side wall of the guide seat along the horizontal direction, and the distance measuring system further comprises walking seats corresponding to the distance measuring parts one by one, wherein the walking seats are provided with protrusions which are in sliding fit with the walking grooves;
The power unit includes:
the one-way screw rod is rotationally connected in the walking groove around the central axis of the one-way screw rod, the axial direction of the one-way screw rod is parallel to the length direction of the walking groove, and the one-way screw rod penetrates through the bulge of the walking seat and is in threaded connection with the bulge;
The driving piece is fixedly connected with the one-way screw rod and drives the one-way screw rod to rotate.
Compared with the prior art, the flatness detection equipment for the screen frame of the printing machine provided by the invention has the advantages that:
The power unit and the ranging part are started simultaneously, the driving unit drives the ranging part to continuously measure the distance from the ranging part to the mounting surface in the process of moving along the guide seat, the fluctuation of the measurement result represents the flatness of the mounting surface, the larger the fluctuation of the measurement result is, the lower the flatness of the mounting surface is, and the smaller the fluctuation of the measurement result is, the higher the flatness of the mounting surface is. The four sides of the net frame can be measured simultaneously by adopting the distance measuring system, so that the time required by net frame flatness detection is reduced, and the efficiency of net frame flatness detection is improved.
Drawings
FIG. 1 is a schematic diagram of a device for detecting flatness of a frame of a printing press according to an embodiment of the present invention;
FIG. 2 is a partial schematic view showing a supporting unit and a driving unit according to an embodiment of the present invention;
FIG. 3 is a schematic diagram showing a structure of a distance adjusting unit according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view showing the position of a stopper and a stopper groove according to an embodiment of the present invention;
FIG. 5 is a schematic diagram showing a structure of another distance adjusting unit according to an embodiment of the present invention;
FIG. 6 is a system boot diagram illustrating the operational relationship between a driver and a pressure sensor in accordance with an embodiment of the present invention;
fig. 7 is a system guidance diagram showing the operational relationship among the distance measuring unit, the analysis unit, and the alarm according to the embodiment of the present invention.
Reference numerals illustrate:
10. guide seat, 101, head end, 102, tail end, 103, running groove, 104 and upright post;
20. A distance measuring section;
30. a power unit; 301, a one-way screw rod 302, a driving piece;
40. Fixing plate, 401, positioning plate, 4011, positioning surface, 4012, through hole, 4013, limiting block, 402, fastening plate, 403 and notch;
50. The device comprises a push-pull system, a push-pull piece, 502, a sliding seat, 5021, a groove, 503, a fixed seat, 5031, a convex strip, 504 and a positioning rod;
60. support unit 601, base plate 602, first telescopic member 603, second telescopic member 604, support plate;
70. The device comprises a distance adjusting unit, a first distance adjusting rod, a limiting groove, a 702 distance adjusting sleeve, a 7021 driven bevel gear, a 703 second distance adjusting rod, a 704 third telescopic piece, a first distance adjusting rod and a second distance adjusting rod, wherein the distance adjusting unit comprises a first distance adjusting rod and a second distance adjusting rod;
80. the driving unit 801, the vertical plate 802, the linkage rod 8021 and the driving bevel gear;
90. a walking seat.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 7, a device for detecting flatness of a screen frame of a printing press according to the present invention will be described. The utility model provides a printing machine screen frame roughness check out test set, be applicable to the screen frame that has the installation face, including ranging system and braced system, ranging system has four guide holders 10 that end to end just enclose square, with the range finding portion 20 of guide holder 10 one-to-one and make range finding portion 20 follow the power pack 30 of guide holder 10 length direction removal, range finding portion 20 is used for measuring self distance to the installation face, braced system has four fixed plates 40 that are parallel to the horizontal plane, four fixed plates 40 interval sets up and is used for accepting the four corners of screen frame, fixed plate 40 is located the top of guide holder 10 and with the tip rigid coupling of guide holder 10.
The printing machine screen frame roughness check out test set that this embodiment provided compares with prior art:
The power unit 30 and the distance measuring part 20 are started at the same time, and in the process that the power unit 30 drives the distance measuring part 20 to move along the guide seat 10, the distance measuring part 20 continuously measures the distance from the distance measuring part to the mounting surface, the fluctuation of the measurement result represents the flatness of the mounting surface, the larger the fluctuation of the measurement result is, the lower the flatness of the mounting surface is, and the smaller the fluctuation of the measurement result is, the higher the flatness of the mounting surface is. The four sides of the net frame can be measured simultaneously by adopting the distance measuring system, so that the time required by net frame flatness detection is reduced, and the efficiency of net frame flatness detection is improved.
In some embodiments, referring to fig. 1, the guide holder 10 has a head end 101 and a tail end 102, and the fixing plate 40 is fixedly disposed on top of the head end 101.
Each tail end 102 is fixedly connected with a push-pull system 50, the push-pull system 50 comprises a push-pull member 501, the push-pull member 501 is provided with a fixed end and a movable end, the fixed end of the push-pull member 501 is fixed with a plane for placing the screen frame flatness detection equipment of the printing machine, the movable end of the push-pull member 501 is fixedly connected with the corresponding tail end 102, and the movable end of the push-pull member 501 moves along the length direction of the corresponding guide seat 10.
Specifically, the push-pull member 501 may be a telescopic cylinder, a hydraulic cylinder, or an electric cylinder.
The push-pull piece 501 moves the positions of the guide seats 10, so that the length and the width of patterns formed by surrounding the four guide seats 10 are changed, the mesh frames with different specifications are adapted, and the application range of the detection equipment is improved.
In some embodiments, referring to fig. 1, the push-pull system 50 further includes a sliding base 502, a fixing base 503 and a positioning rod 504, where the fixing end of the push-pull member 501 is fixedly connected with the sliding base 502, a groove 5021 is provided on the bottom wall of the sliding base 502, a convex strip 5031 slidably matched with the groove 5021 is provided on the top surface of the fixing base 503, the convex strip 5031 is disposed along a direction perpendicular to the length direction of the corresponding guide seat 10, the end of the positioning rod 504 extends into the groove 5021 from the outer wall of the sliding base 502 and is used for abutting against the convex strip 5031, and the positioning rod 504 is screwed with the sliding base 502.
In the process of moving the position of the guide holder 10, the push-pull member 501 fixedly connected with the moving guide holder 10 drives the sliding seat 502 to slide along the fixed seat 503, so that the convex strips 5031 slide in the grooves 5021 to limit the moving direction of the push-pull member 501, and the position of the guide holder 10 after moving is parallel to the position of the guide holder 10 before moving.
After the position of the guide seat 10 is moved, a worker screws the positioning rod 504, so that the positioning rod 504 abuts against the fixed seat 503, and the slide seat 502 and the fixed seat 503 are relatively static, and stability of the connected guide seat 10 and push-pull piece 501 in a static process is improved.
In some embodiments, referring to fig. 2, an L-shaped positioning plate 401 is fixedly arranged on the top surface of the fixing plate 40, the positioning plate 401 has two positioning surfaces 4011 perpendicular to each other, the two positioning surfaces 4011 are perpendicular to the horizontal plane, and fastening plates 402 are arranged on the inner sides of the two positioning surfaces 4011.
The printing machine frame flatness detection device further comprises an adjusting system arranged between the fastening plate 402 and the positioning plate 401, wherein the adjusting system is used for adjusting the distance between the fastening plate 402 and the positioning surface 4011.
The position of the fastening plate 402 is movable, and the side wall of the net frame is abutted tightly by moving the fastening plate 402, so that the net frame is limited, the net frame cannot move in the whole detection process, and the accuracy of the detection result is improved.
In some embodiments, referring to fig. 2, a corner of the fixing plate 40, which is surrounded by four guide holders 10, has a notch 403, and the notch 403 is located in an area surrounded by two positioning surfaces 4011.
The supporting system further comprises supporting units 60 corresponding to the fixing plates 40 one by one, the supporting units 60 comprise a base plate 601, a first telescopic piece 602, a second telescopic piece 603 and a supporting plate 604, the base plate 601 is located below the fixing plates 40, the first telescopic piece 602 is connected between the base plate 601 and the guide seat 10, the second telescopic piece 603 is fixedly arranged on the top surface of the base plate 601, the supporting plate 604 is connected with the second telescopic piece 603, the first telescopic piece 602 is used for driving the base plate 601 to move along the horizontal direction, and the second telescopic piece 603 is used for driving the supporting plate 604 to move along the vertical direction.
The first telescoping member 602 initiates extension of the base plate 601 below the notch 403 and the second telescoping member 603 initiates extension of the support plate 604 into the notch 403 such that the top surface of the support plate 604 is flush with the top surface of the fixed plate 40.
Specifically, the first and second telescopic members 602 and 603 may be any one of a telescopic cylinder, a hydraulic cylinder, and an electric cylinder.
Specifically, an upright post 104 is fixedly arranged between the head end 101 and the fixing plate 40, and a fixed end of the first telescopic member 602 is fixedly connected with the upright post 104.
Before the screen frame is placed, the piston rod of the first telescopic piece 602 stretches out to drive the base plate 601 to stretch below the notch 403, then the piston rod of the second telescopic piece 603 stretches out to drive the supporting plate 604 to move upwards until the top surface of the supporting plate 604 is aligned with the top surface of the fixing plate 40, and the supporting plate 604 can play a supporting role on the screen frame in the process of placing the screen frame, so that a worker can conveniently fix the screen frame.
After the screen frame is fixed, the piston rod of the second telescopic piece 603 is retracted to drive the supporting plate 604 to move downwards until the top surface of the supporting plate 604 is lower than the bottom surface of the fixed plate 40, and then the piston rod of the first telescopic piece 602 is retracted to drive the base to be retracted below the fixed plate 40, so that the whole installation surface is not shielded in the detection process, and the accuracy of the detection result is improved.
In some embodiments, referring to fig. 3, the adjustment system includes a first distance adjusting rod 701 and a distance adjusting sleeve 702, wherein the first distance adjusting rod 701 penetrates through the positioning plate 401 and is in sliding fit with the positioning plate 401, the first distance adjusting rod 701 is horizontally arranged, one end of the first distance adjusting rod 701 is fixedly connected with the fastening plate 402, and the distance adjusting sleeve 702 is in threaded connection with the first distance adjusting rod 701 and is in rotational connection with the positioning plate 401 around the central axis thereof.
In some embodiments, referring to fig. 3, the adjustment system further comprises a vertical plate 801 and a linkage rod 802, wherein the vertical plate 801 is fixedly connected to the top of the fixed plate 40, the linkage rod 802 is rotatably connected to the vertical plate 801 around its central axis, and the axial direction of the linkage rod 802 is horizontal and is in transmission connection with two distance adjusting sleeves 702 on the same fixed plate 40.
Specifically, a driving bevel gear 8021 is fixedly arranged at one end of the linkage rod 802, and a driven bevel gear 7021 meshed with the driving bevel gear 8021 is fixedly arranged on the periphery of the distance adjusting sleeve 702.
The worker rotates the link lever 802 so that the driving bevel gear 8021 rotates, the driving bevel gear 8021 drives the driven bevel gear 7021 to rotate, the driven bevel gear 7021 drives the distance adjusting sleeve 702 to rotate, and therefore the distance adjusting sleeve 702 drives the first distance adjusting lever 701 to move, and accordingly the distance between the fastening plate 402 and the positioning surface 4011 is adjusted.
By rotating one linkage rod 802, two fastening plates 402 can be moved, thereby shortening the time required for fixing the frame and improving the fixing efficiency of the frame.
In some embodiments, referring to fig. 4, a through hole 4012 for the first distance adjusting rod 701 to pass through is provided on a side wall of the positioning plate 401, a limiting block 4013 is fixedly provided on an inner wall of the through hole 4012, a limiting groove 7011 slidingly adapted to the limiting block 4013 is provided on an outer wall of the first distance adjusting rod 701, and the limiting groove 7011 extends along a length direction of the first distance adjusting rod 701.
In the moving process of the first distance adjusting rod 701, the limiting block 4013 slides in the limiting groove 7011, so that the limiting block 4013 enables the first distance adjusting rod 701 to move only along the length direction of the first distance adjusting rod 701, and limiting and guiding of the first distance adjusting rod 701 are achieved.
In some embodiments, referring to fig. 5, the adjustment system includes a second distance adjusting rod 703 and a third telescopic member 704, where the second distance adjusting rod 703 penetrates through the positioning plate 401 and is screwed with the positioning plate 401, the second distance adjusting rod 703 is rotationally connected with the fastening plate 402 around its central axis, and the third telescopic member 704 is fixedly arranged between the fastening plate 402 and the positioning plate 401.
Specifically, the third telescoping member 704 is a telescoping rod having a multi-stage telescoping structure with its telescoping direction parallel to the length direction of the second roll bar 703.
When the worker rotates the second distance adjusting rod 703, the second distance adjusting rod 703 drives the fastening plate 402 to move in a direction approaching to the screen frame, and the third telescopic member 704 enables the fastening plate 402 to move only along the length direction of the second distance adjusting rod 703, so that the fastening plate 402 abuts against the outer wall of the screen frame.
In some embodiments, referring to fig. 2, the side wall of the guide holder 10 is provided with a travel groove 103 along the horizontal direction, and the ranging system further includes travel holders 90 in one-to-one correspondence with the ranging parts 20, and the travel holders 90 have protrusions slidingly fitted with the travel groove 103.
The power unit 30 comprises a one-way screw 301 and a driving piece 302, the one-way screw 301 is rotationally connected in the walking groove 103 around the central axis of the one-way screw 301, the axial direction of the one-way screw 301 is parallel to the length direction of the walking groove 103, the one-way screw 301 penetrates through the bulge of the walking seat 90 and is in threaded connection with the bulge, and the driving piece 302 is fixedly connected with the one-way screw 301 and drives the one-way screw 301 to rotate.
Specifically, referring to fig. 2, the ranging part 20 includes a plurality of infrared rangefinders mounted on the top surface of the traveling base 90 in a line-shaped arrangement, and the driving member 302 may be a driving motor.
After the screen frame is fixed, the driving piece 302 is started to drive the one-way screw rod 301 to rotate, and the one-way screw rod 301 drives the traveling seat 90 to move along the guide post, so that the traveling seat 90 drives the distance measuring part 20 to move, and the distance measuring part 20 continuously measures the distance from the distance measuring part to the mounting surface in the moving process.
The infrared range finder is provided with a plurality of points, can be used for measuring a plurality of points at one time, increases the richness of data, and improves the accuracy of measurement results.
In some embodiments, referring to fig. 1 and 6, a pressure sensor in communication with the driver 302 is mounted inside the head end 101 of the rod guide 10.
When the traveling seat 90 touches the pressure sensor, the pressure sensor monitors the pressure change and transmits a stop signal to the driving piece 302, so that the driving piece 302 stops working, and the traveling seat 90 is prevented from being impacted to other guide seats 10.
In some embodiments, referring to fig. 2 and 7, the ranging system further comprises an analysis unit communicatively coupled to the ranging section 20.
Specifically, the analysis unit is a computer and an alarm which is in communication connection with the computer, and the alarm can emit red light and green light.
The ranging part 20 transmits all the measurement data to the analysis unit, the analysis unit makes the difference between all the measurement data and the expected value (the distance value from the ranging part 20 to the top surface of the support plate 604) one by one and outputs a difference value, that is, the difference value=the measurement data-expected value, the difference value can be kept in 3 decimal places, then the analysis unit calculates the discrete degree of the difference value (the smaller discrete degree of the difference value represents smaller fluctuation of the measurement data, that is, the higher the flatness of the mounting surface is, the larger the discrete degree of the difference value represents larger fluctuation of the measurement data, that is, the lower the flatness of the mounting surface is), the analysis unit judges whether the discrete degree of the difference value is in a preset range, if the discrete degree is in the preset range, the alarm emits green light, the flatness of the net frame is qualified, and if the discrete degree exceeds the preset range, the alarm emits red light, the flatness of the net frame is disqualified.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. A printer frame flatness detection apparatus adapted for a frame having a mounting surface, comprising:
The distance measuring system is provided with four guide seats which are connected end to end in sequence and are enclosed into a square shape, distance measuring parts which are in one-to-one correspondence with the guide seats, and a power unit which enables the distance measuring parts to move along the length direction of the guide seats, wherein the distance measuring parts are used for measuring the distance from the distance measuring parts to the mounting surface;
the support system is provided with four fixing plates parallel to the horizontal plane, the four fixing plates are arranged at intervals and used for bearing four corners of the screen frame, and the fixing plates are positioned above the guide seat and fixedly connected with the end parts of the guide seat;
the guide seat is provided with a head end and a tail end, and the fixing plate is fixedly arranged at the top of the head end;
each tail end is fixedly connected with a push-pull system, each push-pull system comprises a push-pull piece, each push-pull piece is provided with a fixed end and a movable end, the fixed ends of the push-pull pieces are fixed with a plane for placing the screen frame flatness detection equipment of the printing machine, the movable ends of the push-pull pieces are fixedly connected with the corresponding tail ends, and the movable ends of the push-pull pieces move along the length direction corresponding to the guide seats;
The push-pull system further comprises a sliding seat, a fixed seat and a positioning rod, wherein the fixed end of the push-pull piece is fixedly connected with the sliding seat, a groove is formed in the bottom wall of the sliding seat, a raised strip which is in sliding fit with the groove is arranged on the top surface of the fixed seat, the raised strip is arranged in a direction perpendicular to the length direction of the corresponding guide seat, the end part of the positioning rod extends into the groove from the outer wall of the sliding seat and is used for propping against the raised strip, and the positioning rod is in threaded connection with the sliding seat;
The top surface of the fixing plate is fixedly provided with an L-shaped locating plate, the locating plate is provided with two locating surfaces which are perpendicular to each other, the two locating surfaces are perpendicular to a horizontal plane, and the inner sides of the two locating surfaces are respectively provided with a fastening plate;
The printing machine screen frame flatness detection device further comprises an adjusting system arranged between the fastening plate and the positioning plate, and the adjusting system is used for adjusting the distance between the fastening plate and the positioning surface;
The fixing plate is provided with a notch towards one corner of the space surrounded by the four guide seats, and the notch is positioned in the area surrounded by the two positioning surfaces;
The supporting system further comprises supporting units in one-to-one correspondence with the fixing plates, the supporting units comprise a base plate located below the fixing plates, a first telescopic piece connected between the base plate and the guide seat, a second telescopic piece fixedly arranged on the top surface of the base plate, and a supporting plate connected with the second telescopic piece, wherein the first telescopic piece is used for driving the base plate to move along the horizontal direction, and the second telescopic piece is used for driving the supporting plate to move along the vertical direction.
2. The printer frame flatness detection apparatus of claim 1, wherein the adjustment system comprises:
The first distance adjusting rod penetrates through the positioning plate and is in sliding fit with the positioning plate, the first distance adjusting rod is horizontally arranged, and one end of the first distance adjusting rod is fixedly connected with the fastening plate;
The distance adjusting sleeve is in threaded connection with the first distance adjusting rod and is rotationally connected with the positioning plate around the central axis of the distance adjusting sleeve.
3. The printer frame flatness detection apparatus of claim 2, wherein the adjustment system further comprises:
the vertical plate is fixedly connected to the top of the fixed plate;
the linkage rod is rotationally connected to the vertical plate around the central axis of the linkage rod, and the axial direction of the linkage rod is horizontal and is in transmission connection with the two distance adjusting sleeves on the same fixed plate.
4. The printing press screen frame roughness check out test set of claim 2, wherein, the locating plate lateral wall is equipped with the through-hole that supplies the first roll adjustment pole to pass, the through-hole inner wall sets firmly the stopper, first roll adjustment pole outer wall be equipped with the spacing groove of stopper slip adaptation, the spacing groove extends along first roll adjustment pole length direction.
5. The printer frame flatness detection apparatus of claim 1, wherein the adjustment system comprises:
the second distance adjusting rod penetrates through the positioning plate and is in threaded connection with the positioning plate, and the second distance adjusting rod is rotationally connected with the fastening plate around the central axis of the second distance adjusting rod;
the third telescopic piece is fixedly arranged between the fastening plate and the positioning plate.
6. The printer frame flatness detection apparatus of claim 1, wherein a traveling groove is provided on a side wall of the guide holder in a horizontal direction, the distance measuring system further comprises traveling holders corresponding to the distance measuring parts one by one, the traveling holders having protrusions slidably fitted with the traveling grooves;
The power unit includes:
the one-way screw rod is rotationally connected in the walking groove around the central axis of the one-way screw rod, the axial direction of the one-way screw rod is parallel to the length direction of the walking groove, and the one-way screw rod penetrates through the bulge of the walking seat and is in threaded connection with the bulge;
The driving piece is fixedly connected with the one-way screw rod and drives the one-way screw rod to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411845634.7A CN119309519B (en) | 2024-12-16 | 2024-12-16 | Printing machine screen frame flatness detection equipment |
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| CN104677322A (en) * | 2013-11-30 | 2015-06-03 | 富泰华工业（深圳）有限公司 | Detection device |
| CN208728511U (en) * | 2018-08-14 | 2019-04-12 | 南京迈豪幕墙工程有限公司 | A kind of numerical control quadrangle positioning corner combining machine |
| CN221640229U (en) * | 2024-01-19 | 2024-09-03 | 苏州市诚富精密自动化有限公司 | Supporting ring connection fixing clamp |
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| KR100748072B1 (en) * | 2005-08-01 | 2007-08-09 | 가부시키가이샤 니혼 마이크로닉스 | Electrical inspection device of display panel |
| KR102076730B1 (en) * | 2017-12-20 | 2020-02-12 | 조선대학교산학협력단 | Universial Checking Fixture for Measuring the Press Products |
| CN112809641B (en) * | 2021-03-11 | 2025-02-11 | 海航航空技术有限公司 | Tool frame bracket for passenger aircraft maintenance |
| CN220637838U (en) * | 2023-09-04 | 2024-03-22 | 合肥石易信息技术有限公司 | Supporting mechanism for electronic product detection |
| CN117168369A (en) * | 2023-09-05 | 2023-12-05 | 河北鹤煌网业股份有限公司 | Paper-making net flatness detection equipment |
| CN118729901B (en) * | 2024-09-04 | 2024-12-03 | 江苏高昕建筑系统有限公司 | Aluminum alloy door and window corner assembly machine installation detection device and detection method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104677322A (en) * | 2013-11-30 | 2015-06-03 | 富泰华工业（深圳）有限公司 | Detection device |
| CN208728511U (en) * | 2018-08-14 | 2019-04-12 | 南京迈豪幕墙工程有限公司 | A kind of numerical control quadrangle positioning corner combining machine |
| CN221640229U (en) * | 2024-01-19 | 2024-09-03 | 苏州市诚富精密自动化有限公司 | Supporting ring connection fixing clamp |
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