CN116593387A - Roller repair chromium coating strength testing device - Google Patents
Roller repair chromium coating strength testing device Download PDFInfo
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- CN116593387A CN116593387A CN202310876932.1A CN202310876932A CN116593387A CN 116593387 A CN116593387 A CN 116593387A CN 202310876932 A CN202310876932 A CN 202310876932A CN 116593387 A CN116593387 A CN 116593387A
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- roller
- scribing
- transverse moving
- moving
- guide
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- 238000012360 testing method Methods 0.000 title claims abstract description 71
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 45
- 239000011651 chromium Substances 0.000 title claims abstract description 45
- 239000011248 coating agent Substances 0.000 title claims abstract description 30
- 238000000576 coating method Methods 0.000 title claims abstract description 30
- 230000008439 repair process Effects 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 238000002360 preparation method Methods 0.000 claims abstract description 10
- 238000009826 distribution Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 23
- 238000007789 sealing Methods 0.000 claims description 17
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007747 plating Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 abstract description 13
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 239000002390 adhesive tape Substances 0.000 description 32
- 239000010410 layer Substances 0.000 description 11
- 238000004140 cleaning Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000265 homogenisation Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of roller repair detection, and particularly provides a roller repair chromium coating strength testing device; comprises a horizontal clamping rotating table for horizontally clamping and rotating the roller; a transverse moving mechanism is arranged at the side of the horizontal clamp rotating table, and the transverse moving direction of the transverse moving mechanism is axially arranged along the roller clamped in the horizontal clamp rotating table; the movable end of the transverse moving mechanism is provided with a test preparation mechanism; the device provided by the invention can test the bonding strength of the chromium plating layer on the roller surface after the roller is repaired and chromium plated, the whole test preparation process basically replaces manual operation to complete automatic operation, and can complete synchronous test of a plurality of test parts, thereby greatly improving the test efficiency, avoiding the problem of random operation errors in the manual repeated operation process, improving the test accuracy, better and truly reflecting the distribution condition of the integral bonding strength of the chromium plating layer on the roller, and having higher reference value.
Description
Technical Field
The invention relates to the technical field of roller repair detection, and particularly provides a roller repair chromium coating strength testing device.
Background
In the repairing process of the roller, the chromium plating treatment is an effective way for repairing the roller surface of the roller and improving the wear resistance of the roller surface, and the roller is subjected to the chromium plating treatment in a chromium plating tank. After the roller is subjected to chromium plating treatment, the chromium plating layer is generally required to be tested to verify whether the bonding strength of the chromium plating layer on the roller surface of the roller meets the corresponding standard requirement or not so as to ensure the processing quality of the roller chromium plating.
In the prior art, a plurality of methods are available for testing the bonding strength of a metal coating, wherein the bonding stripping mode of an adhesive tape is a testing method capable of qualitatively testing, in the test, firstly, the chrome coating of a roller is subjected to grid division, the selected testing part is divided into a plurality of testable grid units, then a section of strong adhesive tape conforming to a certain specification is selected and closely attached to the chrome coating surface, the strong adhesive tape is pulled at a constant speed through a pulling machine according to a specified pulling angle, so that the strong adhesive tape is stripped from the roller surface, finally, whether the chrome coating is attached to the strong adhesive tape is observed, the whole test process is simpler, the actual test is basically finished by manual operation, but in order to improve the accuracy and the authenticity of the test and the bonding strength distribution condition of the chrome coating on the whole roller surface of the roller, a plurality of testing parts are generally required to be uniformly selected on the roller surface during the test, the manual test operation is required to be finished for repeated times, time and effort are wasted, and the manual repeated operation has larger random operation errors, the test variables are not easy to be controlled stably, the final test accuracy is influenced, and the probability of the test is greatly improved.
Disclosure of Invention
In order to solve the problems, the invention provides a roller repairing chromium coating strength testing device which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention is implemented by adopting the following technical scheme: a strength testing device for repairing a chromium coating of a roller comprises a horizontal clamping rotating table for horizontally clamping and rotating the roller; a transverse moving mechanism is arranged at the side of the horizontal clamp rotating table, and the transverse moving direction of the transverse moving mechanism is axially arranged along the roller clamped in the horizontal clamp rotating table; the movable end of the transverse moving mechanism is provided with a test preparation mechanism.
The test preparation mechanism comprises a transversely moving switching assembly which is arranged in a lifting manner, and the moving direction of the moving end of the transversely moving switching assembly is horizontally and vertically arranged relative to the moving direction of the moving end of the transversely moving mechanism; a scribing part for scribing the chromium coating of the roller and a pressing roller mechanism for pressing the testing roller surface of the roller are sequentially arranged on the moving end of the transverse moving switching assembly in the moving direction; the scribing component comprises two scribing ends which are horizontally distributed along the moving direction perpendicular to the moving end of the traversing switching component.
Preferably, the scribing component comprises an outer guide sleeve which is opened up and down, a top end of the outer guide sleeve is fixedly provided with a top sealing plate, a connecting frame which is connected with the moving end of the transverse moving switching component is fixedly arranged at the top end of the top sealing plate, a telescopic sliding block is arranged at the outer guide sleeve in an inward vertical sliding fit mode from the bottom end, an air chamber is arranged in the telescopic sliding block in a penetrating mode, an air pipe is fixedly arranged on the top sealing plate in a penetrating mode, the lower end of the air pipe is arranged in the air chamber in a vertical sliding mode, a compression spring is sleeved on the air pipe, two ends of the compression spring are respectively fixed at the bottom end of the top sealing plate and the top end of the telescopic sliding block, a double-end scribing part is detachably arranged at the bottom end of the telescopic sliding block, and air flow which is led into the air chamber by the air pipe is discharged downwards from the double-end scribing part.
Preferably, the double-end scribing part comprises a cone head seat detachably fixed at the bottom end of the telescopic sliding block and two scribing cones fixed at the bottom end of the cone head seat, and the two scribing cones are horizontally distributed along the moving direction perpendicular to the moving end of the transverse moving switching assembly; the cone seat is provided with a plurality of air passages which are vertically communicated with the air chamber.
Preferably, the press roller mechanism comprises an elastic telescopic roller frame which is fixed at the moving end of the transverse moving switching assembly and stretches out and draws back along the vertical direction, the press roller is horizontally rotatably arranged on the elastic telescopic roller frame, and the axial direction of the press roller is parallel to the transverse moving direction of the transverse moving mechanism.
Preferably, the elastic telescopic roller frame comprises a vertical guide block fixed at the moving end of the transverse moving switching assembly, a plurality of guide rods vertically slide at the bottom end of the vertical guide block, the bottom ends of the guide rods are horizontally fixed with the roller frame together, telescopic springs are sleeved on the guide rods, two ends of each telescopic spring are respectively fixed on the vertical guide block and the roller frame, and the press roller horizontally rotates and is installed on the roller frame.
Preferably, the roller frame side is provided with guide part, guide part includes the guide frame, the guide frame includes that two one-to-one is fixed the connection curb plate of roller frame both sides and horizontal connection are two connect the horizontal plate between the curb plate, be located the horizontal plate top and two all vertical rotation installs a plurality of guide rollers on the connection curb plate, be located the unilateral a plurality of guide rollers on the connection curb plate are along the perpendicular to the axial horizontal distribution of compression roller.
Preferably, the air passages are divided into two groups corresponding to the two scribing cones one by one, and the scribing cones at the deflection opposite positions of the air passages are obliquely arranged.
Preferably, the horizontal clamping rotating table comprises two horizontal clamping mechanisms which are arranged horizontally opposite and used for clamping the single-side shaft ends of the rollers.
The technical scheme has the following advantages or beneficial effects: the invention provides a strength testing device for repairing a chromium coating on a roller, which can test the bonding strength of the chromium coating on the roller surface after the roller is repaired and chromium coating is finished, can replace manual work to carry out homogenization automatic selection of a testing part on the roller surface of the roller, can carry out automatic grid distribution division on the chromium coating, and synchronously carry out dust cleaning on the testing part in the grid division process.
Drawings
The invention and its features, aspects and advantages will become more apparent from the detailed description of non-limiting embodiments with reference to the following drawings. Like numbers refer to like parts throughout the several views, and are not intended to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a schematic perspective view of a strength testing device for repairing a chromium coating layer of a roller.
Fig. 2 is a front view of a device for testing strength of a roller repairing chromium coating.
Fig. 3 is a side view of a device for testing strength of a roller repair chromium coating provided by the invention.
Fig. 4 is a perspective view of the traverse switching assembly, scribing member and press roller mechanism assembly structure.
Fig. 5 is a perspective view of the scribing member.
Fig. 6 is a perspective cross-sectional view of the scribing member.
Fig. 7 is a plan sectional view of the scribing member.
Fig. 8 is a perspective view of the platen roller mechanism.
In the figure: 1. a horizontal clamp rotating table; 11. a horizontal clamping mechanism; 111. a guide rail; 112. a travel motor; 113. a screw rod; 114. a sliding table; 115. an electric chuck; 2. a traversing mechanism; 21. a support frame; 22. an electric slide rail; 23. an electric slide block; 3. a test preparation mechanism; 31. a side extension plate; 32. a pressing cylinder; 33. a traversing switching assembly; 331. a guide rail frame; 332. switching the cylinder; 333. a sliding plate; 4. a scribing member; 41. an outer guide sleeve; 42. a top sealing plate; 43. a connecting frame; 44. a telescopic slide block; 441. a gas chamber; 45. an air pipe; 451. a connecting nozzle; 46. a compression spring; 47. a double-ended scribing portion; 471. a cone seat; 4711. an airway; 472. a scribing cone; 5. a press roller mechanism; 51. an elastic telescopic roller frame; 511. a vertical guide block; 512. a guide rod; 513. a roller frame; 514. a telescopic spring; 52. a press roller; 53. a guide member; 531. a guide frame; 5311. connecting side plates; 5312. a horizontal plate; 532. and (5) guiding the roller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that those skilled in the art will better understand the present invention, the following description will be given in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, 2 and 3, a strength testing device for repairing chromium coating of roller comprises a horizontal clamping rotating table 1 for horizontally clamping and rotating the roller; a transverse moving mechanism 2 is arranged at the side of the horizontal clamp rotating table 1, and the transverse moving direction of the transverse moving mechanism 2 is axially arranged along the roller clamped in the horizontal clamp rotating table 1; the movable end of the traverse mechanism 2 is equipped with a test preparation mechanism 3.
As shown in fig. 1 and 2, the horizontal clamping rotating table 1 comprises two horizontal clamping mechanisms 11 which are horizontally arranged oppositely and are used for clamping the single-side shaft ends of the rollers; the two horizontal clamping mechanisms 11 are assembled on a bottom plate fixed on the ground together, and the horizontal clamping mechanisms 11 comprise guide rails 111 welded on the bottom plate, a travel motor 112 horizontally fixed on the bottom plate through a motor base, a screw 113 horizontally rotatably installed, a sliding table 114 slidably installed on the guide rails 111 and an electric chuck 115 rotatably installed on the sliding table 114 through a bearing; one end of a screw 113 is fixed on an output shaft of a stroke motor 112, a sliding table 114 is connected to the screw 113 in a threaded manner, and an electric chuck 115 is an existing automatic clamping device. In actual test, the roller after completing chromium plating clamps horizontally between two electric chucks 115, because the structure of the roller is not necessarily in the form of equal-length symmetry of the shaft ends at two sides, the strength test is mainly carried out on the chromium plating layer of the main roller surface of the roller during test, the traversing mechanism 2 is positioned at the side position of the horizontal clamping rotating table 1, and the two horizontal clamping mechanisms 11 are independently arranged, so that the clamped roller can be moved and adjusted to the position of the main roller surface of the roller, which is centered relative to the traversing mechanism 2, and a plurality of test positions can be selected uniformly and equidistantly on the axial direction of the main roller surface of the roller. The sliding table 114 of one of the horizontal clamping mechanisms 11 is further provided with a servo motor for driving the electric chuck 115 to rotate, and the servo motor is provided with an existing motor self-locking mechanism, and the servo motor is not shown in the drawing.
As shown in fig. 1 and 4, the traversing mechanism 2 includes a supporting frame 21 welded to a base plate, an electric slide rail 22 horizontally fixed to the top end of the supporting frame 21 by bolts, and an electric slider 23 slidably mounted on the electric slide rail 22. The test preparation mechanism 3 comprises a side extension plate 31 horizontally welded on the electric slide block 23, a lower pressing cylinder 32 vertically fixed at the top end of the side extension plate 31 through bolts and a lateral movement switching assembly 33 fixed at the output end of the lower pressing cylinder 32, wherein the side extension plate 31 extends to the upper part of the horizontal clamping rotating table 1, the lateral movement switching assembly 33 comprises a guide rail frame 331 horizontally fixed on the output rod of the lower pressing cylinder 32 through bolts, a switching cylinder 332 fixed at the side end of the guide rail frame 331 through bolts and a sliding plate 333 horizontally and slidably installed on the guide rail frame 331, the sliding plate 333 is fixed at the output end of the switching cylinder 332, and the sliding direction of the sliding plate 333 is vertically arranged relative to the sliding direction of the electric slide block 23; the slide plate 333 is provided with a scribing part 4 for scribing the chromium coating of the roller and a pressing roller mechanism 5 for pressing the testing roller surface of the roller in sequence along the moving direction; the traverse switching assembly 33 may be used to drive the scribing component 4 and the press roller mechanism 5 to switch positions in the moving direction of the sliding plate 333, and the position switching is based on the right above the horizontal clamp rotating table 1, when the scribing operation is required, the scribing component 4 is moved and switched to the right above the horizontal clamp rotating table 1, and when the rolling is required, the press roller mechanism 5 is moved and switched to the right above the horizontal clamp rotating table 1.
As shown in fig. 4, 5, 6 and 7, the scribing component 4 comprises an outer guide sleeve 41 which is opened up and down, a top end of the outer guide sleeve 41 is welded with a top sealing plate 42, a connecting frame 43 which is fixed on a sliding plate 333 through bolts is welded at the top end of the top sealing plate 42, a telescopic sliding block 44 is vertically matched with the outer guide sleeve 41 from the bottom end inwards, an air chamber 441 is vertically penetrated in the telescopic sliding block 44, an air pipe 45 is fixedly penetrated on the top sealing plate 42, the air pipe 45 is L-shaped, a horizontal pipe section of the air pipe 45 passes through the connecting frame 43, a connecting nozzle 451 which is in butt joint with an external ventilation hose is arranged at a port of the horizontal pipe section of the air pipe 45, a vertical pipe section of the air pipe 45 is fixed on the top sealing plate 42, the vertical pipe section of the air pipe 45 is vertically and slidably installed in the air chamber 441 through a sliding sleeve which is fixed in the air chamber 441, a sliding sealing state is kept between the air pipe 45 and the sliding sleeve, two ends of the compression spring 46 are respectively welded at the bottom ends of the top sealing plate 42 and the top end of the telescopic sliding block 44, a scribing part 47 is detachably installed at the bottom end of the telescopic sliding block 44, the scribing part 47 comprises a scribing cone 472 which is integrally arranged in the direction of the two conical cones 472 which are integrally formed along the vertical directions of the bottom end of the sealing cone 472 and the conical seat 472 which are integrally arranged at the bottom end of the sealing cone 471; six air passages 4711 which are vertically communicated with the air chamber 441 are arranged on the cone seat 471, the six air passages 4711 are equally divided into two groups, the two groups of air passages 4711 are arranged in one-to-one correspondence with the two scribing cones 472, and the scribing cones 472 at the opposite positions of the air passages 4711 are obliquely arranged.
When carrying out bonding strength test to roll chrome coat, need carry out the net to roll main roll surface through marking member 4 and draw a line and accomplish through two marking awls 472, in this implementation, the awl point interval of two marking awls 472 is 25mm, and it represents the width of marking grid in the roll axial, in addition, marking awl 472 can form the loss at its awl point in the long-time marking process, and detachable assembled's double-end marking portion 47 has both made things convenient for the sharpening to marking awl 472 awl point position and has also made things convenient for the direct renewing.
When scribing, the circumferential scribing is finished on the roller, and then the axial scribing is carried out, so that a plurality of arc rectangular grids are formed through the separation of the circumferential lines and the axial lines. Specifically, when circumferential scribing is performed, firstly, the scribing component 4 is moved and switched to the position right above the roller through the transverse moving and switching component 33, so that the cone tips of the two scribing cones 472 are positioned on the vertical surface of the central shaft of the roller, the transverse moving mechanism 2 drives the whole testing preparation mechanism 3 to intermittently and equidistantly move and switch positions in the axial direction of the roller, thereby obtaining a plurality of equidistant testing points, at each transverse moving and suspending position, the lower pressing cylinder 32 is started to drive the scribing component 4 to integrally descend along with the transverse moving and switching component 33, so that the cone tips of the two scribing cones 472 are inserted on the chromium plating layer of the roller, and along with continuing to descend, the compression spring 46 contracts, and under the action of elasticity, the cone tip penetration depth of the scribing cones 472 is increased until the cone tips of the scribing cones 472 completely penetrate the chromium plating layer, and then, the descending stroke of the pressing cylinder 32 is recorded, the roller is driven to rotate by a servo motor, so that two circumferential lines are marked by a marking cone 472, then circumferential marking operation is repeated, circumferential marking is sequentially finished on test points which are distributed and selected at equal intervals in the axial direction of the roller, then axial marking is carried out, a lower pressing cylinder 32 maintains the same descending stroke as that during circumferential marking, so that the marking cone 472 maintains a state of penetrating a chromium plating layer, then a marking part 4 is driven by a traversing mechanism 2 to move in the axial direction of the roller, thereby finishing one axial marking on the roller, in the axial marking process, the servo motor is self-locked to enable the roller to maintain a fixed state, then the servo motor drives the roller to rotate for a certain set angle, axial marking operation is repeated again, then axial marking is finished once after each equal angle intermittent rotation is finished, after circumferential marking and axial marking are finished, a plurality of grids distributed circumferentially in succession are formed at each selected test point.
In addition, in the whole scribing process, the scribing component 4 keeps in a blowing state, pressurized air entering the air pipe 45 enters the air chamber 441 along the air pipe 45 and finally is blown out from each air passage 4711, the blown pressurized air can synchronously clean chromium coating powder generated in the scribing process while scribing, and can synchronously clean the area between and near two circumferential scribing lines to complete synchronous automatic cleaning, thereby being beneficial to ensuring the bonding precision and bonding strength between the strong adhesive tape and the grid surface in the subsequent process and avoiding the adverse effect of dust and powder on the surface of a roller on the testing process.
As shown in fig. 1, 4 and 8, the press roller mechanism 5 comprises an elastic telescopic roller frame 51, the elastic telescopic roller frame 51 comprises a vertical guide block 511 fixed at the bottom end of a sliding plate 333 through bolts, two guide rods 512 are vertically sliding at the bottom end of the vertical guide block 511, roller frames 513 are jointly and horizontally welded at the bottom ends of the two guide rods 512, telescopic springs 514 are sleeved on the guide rods 512, two ends of each telescopic spring 514 are respectively welded on the vertical guide block 511 and the roller frame 513, a press roller 52 is horizontally rotatably installed on the roller frames 513, and the axial direction of the press roller 52 is parallel to the sliding direction of the electric sliding block 23. The roller frame 513 is provided with a guide member 53 on the side, the guide member 53 includes a guide frame 531, the guide frame 531 includes two connecting side plates 5311 welded on both sides of the roller frame 513 in one-to-one correspondence and a horizontal plate 5312 welded horizontally between the two connecting side plates 5311, three guide rollers 532 are vertically rotatably mounted above the horizontal plate 5312 on both connecting side plates 5311, and the three guide rollers 532 on the single-side connecting side plates 5311 are horizontally distributed along the axial direction perpendicular to the press roller 52. The two sets of guide rollers 532 are disposed equidistantly about the equidistant center point of the two scribing cones 472, and the upper end surface of the horizontal plate 5312 is slightly lower than the lower end horizontal section of the pressing roller 52. It should be noted that, the press roller 52 may be driven to rotate by a motor, or an existing electric roller may be selected as the press roller 52.
In the test process, a strong adhesive tape used for peeling test needs to be tightly adhered to each selected annular grid area on the roller surface of the roller, the strong adhesive tape can be selected and purchased on the market, the selected strong adhesive tape needs to have an adhesive force peeling strength parameter which is definitely corresponding, the peeling strength parameter needs to be larger than the set qualified strength parameter of the roller chromium coating to be tested, and the adhesive tape product, of which the peeling strength parameter is closer to the set qualified strength parameter of the roller chromium coating, is preferred.
In the process of applying and covering the strong adhesive tape, specifically, the transverse moving mechanism 2 moves the pressing roller mechanism 5 to the test point position at the most side, then the transverse moving switching assembly 33 transversely moves the pressing roller mechanism 5 to the position right above the roller, so that the central axis of the pressing roller 52 and the central axis of the roller are located on the same vertical plane, then the lower pressing cylinder 32 drives the pressing roller mechanism 5 to descend along with the whole transverse moving switching assembly 33 until a gap through which the strong adhesive tape can pass is left between the pressing roller 52 and the roller, in order to form a conveying and applying pressure for the strong adhesive tape, the actual gap is slightly smaller than the thickness of the strong adhesive tape, then one end of the cut strong adhesive tape is placed above the horizontal plate 5312 and passes through between the two groups of guide rollers 532 and is fed into the gap in a proper manner, the strong adhesive tape is fed from the right side as shown in fig. 3, the servo motor drives the roller to rotate anticlockwise, and the pressing roller 52 rotates clockwise, then the strong adhesive tape is conveyed leftwards and is applied and covered and wound on the circumferential grid region, and when the strong adhesive tape is covered and wound, the guide member 53 can provide an advantageous guide to form a conveying and applying pressure for applying the strong adhesive tape to the circumferential grid, and the tape can be applied and the middle of the tape and the tape is inclined and applied to the middle of the peripheral grid region and the tape.
After the strong adhesive tape is attached, the pressure reducing roller 52 is continuously lowered, the telescopic spring 514 is compressed, the compression roller 52 generates compression force on the strong adhesive tape, the compression roller 52 is kept to compress and rotate in a non-starting rotation state, the servo motor drives the roller to rotate repeatedly, and therefore the strong adhesive tape is compressed through the compression roller 52 in a rolling mode, and the attaching compactness of the strong adhesive tape on the roller is improved. Then, the tape is moved in the axial direction of the roll by the traverse mechanism 2, and the fitting winding and reciprocating rolling operation of the strong tape are repeated at each selected test point passed.
The method comprises the steps that a plurality of test powerful adhesive tapes after lamination and coverage can be uniformly clamped on an existing clamping plate, the clamping plate is fixed at the pulling end of an existing pulling machine, so that the powerful adhesive tapes are kept in a vertical tightening state, then, a self-locking mechanism of a servo motor is loosened, a roller is kept in a free rotation state, under the free rotation and release of the roller, the clamping plate is pulled at a constant speed through the pulling machine, so that the powerful adhesive tapes are synchronously peeled off on the roller, after peeling is completed, the bonding surface of each powerful adhesive tape is observed, whether a chromium plating layer of a grid unit is peeled off from the roller and bonded on the powerful adhesive tape is observed, when the bonded chromium plating layer appears on the powerful adhesive tape, the peeling strength of the powerful adhesive tape is larger than the bonding strength of the chromium plating layer of the grid unit at the corresponding position, and therefore the phenomenon that the powerful adhesive tape is separated from the roller occurs, namely the bonding strength of the chromium plating layer at the position does not reach the standard, and the bonding strength distribution condition of the chromium plating layer on the roller surface can be qualitatively obtained through comprehensive comparison analysis of each powerful adhesive tape.
The invention provides a strength testing device for repairing a chromium coating on a roller, which can test the bonding strength of the chromium coating on the roller surface after the roller is repaired and chromium coating is finished, can replace manual work to carry out homogenization automatic selection of a testing part on the roller surface, can carry out automatic grid distribution division on the chromium coating, and synchronously carry out dust cleaning on the testing part in the grid division process.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The preferred embodiments of the present invention have been described above. It is to be understood that the invention is not limited to the specific embodiments described above, wherein devices and structures not described in detail are to be understood as being implemented in a manner common in the art; any person skilled in the art will make many possible variations and modifications, or adaptations to equivalent embodiments without departing from the technical solution of the present invention, which do not affect the essential content of the present invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (8)
1. The utility model provides a roller repair chromium coating intensity testing arrangement which characterized in that: comprises a horizontal clamping rotating table (1) for horizontally clamping and rotating the roller; a transverse moving mechanism (2) is arranged at the side of the horizontal clamp rotating table (1), and the transverse moving direction of the transverse moving mechanism (2) is axially arranged along a roller clamped in the horizontal clamp rotating table (1); the movable end of the transverse moving mechanism (2) is provided with a test preparation mechanism (3); wherein:
the test preparation mechanism (3) comprises a transversely moving switching assembly (33) which is arranged in a lifting manner, and the moving direction of the moving end of the transversely moving switching assembly (33) is horizontally and vertically arranged relative to the moving direction of the moving end of the transversely moving mechanism (2); a scribing part (4) for scribing the chromium coating of the roller and a pressing roller mechanism (5) for pressing the testing roller surface of the roller are sequentially arranged on the moving end of the transverse moving switching assembly (33) in the moving direction; the scribing component (4) comprises two scribing ends which are horizontally distributed along the moving direction perpendicular to the moving end of the transverse moving switching component (33).
2. The roller repair chrome-plated layer strength testing device according to claim 1, wherein: the scribing component (4) comprises an outer guide sleeve (41) which is vertically opened, a top end of the outer guide sleeve (41) is fixedly provided with a top sealing plate (42), the top end of the top sealing plate (42) is fixedly connected with a connecting frame (43) which is connected with the moving end of the transverse moving switching component (33), the outer guide sleeve (41) is internally and vertically matched with a telescopic sliding block (44) in a sliding manner from the bottom end, an air chamber (441) is vertically and fixedly arranged in the telescopic sliding block (44) in a penetrating manner, the lower end of the top sealing plate (42) is vertically and slidably arranged in the air chamber (441), the air chamber (45) is sleeved with a compression spring (46), two ends of the compression spring (46) are respectively fixed at the bottom end of the top sealing plate (42) and the top end of the telescopic sliding block (44), and a double-end scribing part (47) is detachably arranged at the bottom end of the telescopic sliding block (44), and air flow which is introduced into the air chamber (441) by the air chamber (45) is discharged downwards from the double-end scribing part (47).
3. The roller repair chrome-plated layer strength testing device according to claim 2, wherein: the double-end scribing part (47) comprises a cone head seat (471) detachably fixed at the bottom end of the telescopic sliding block (44) and two scribing cones (472) fixed at the bottom end of the cone head seat (471), and the two scribing cones (472) are horizontally distributed along the moving direction perpendicular to the moving end of the transverse moving switching assembly (33); the cone seat (471) is provided with a plurality of air passages (4711) which are vertically communicated with the air chamber (441).
4. The roller repair chrome-plated layer strength testing device according to claim 1, wherein: the press roller mechanism (5) comprises an elastic telescopic roller frame (51) which is fixed at the moving end of the transverse moving switching assembly (33) and stretches out and draws back along the vertical direction, a press roller (52) is horizontally and rotatably arranged on the elastic telescopic roller frame (51), and the axial direction of the press roller (52) is parallel to the transverse moving direction of the transverse moving mechanism (2).
5. The roller repair chrome-plated layer strength testing device according to claim 4, wherein: the elastic telescopic roller frame (51) comprises a vertical guide block (511) fixed at the moving end of the transverse moving switching assembly (33), a plurality of guide rods (512) are vertically and slidably arranged at the bottom end of the vertical guide block (511), the bottom ends of the guide rods (512) are horizontally fixed with the roller frame (513) together, telescopic springs (514) are sleeved on the guide rods (512), two ends of each telescopic spring (514) are respectively fixed on the vertical guide block (511) and the roller frame (513), and the press roller (52) is horizontally and rotatably arranged on the roller frame (513).
6. The roller repair chrome-plated layer strength testing device according to claim 5, wherein: the roller frame (513) side is provided with guide part (53), guide part (53) are including guide frame (531), guide frame (531) are including two one-to-one fixes connection curb plate (5311) and the level of roller frame (513) both sides connect horizontal plate (5312) between two connection curb plate (5311), be located horizontal plate (5312) top and two all vertical rotation install a plurality of guide roller (532) on connection curb plate (5311), be located the unilateral a plurality of guide roller (532) on connection curb plate (5311) are along being perpendicular to the axial horizontal distribution of compression roller (52).
7. A roller repair chrome coating strength testing device according to claim 3, wherein: the air passages (4711) are divided into two groups corresponding to the two scribing cones (472) one by one, and the scribing cones (472) of the air passages (4711) which are biased to opposite positions are obliquely arranged.
8. The roller repair chrome-plated layer strength testing device according to claim 1, wherein: the horizontal clamp rotating table (1) comprises two horizontal clamp mechanisms (11) which are horizontally arranged oppositely and used for clamping the single-side shaft ends of the rollers.
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| CN202310876932.1A CN116593387B (en) | 2023-07-18 | 2023-07-18 | Roller repair chromium coating strength testing device |
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| CN202310876932.1A CN116593387B (en) | 2023-07-18 | 2023-07-18 | Roller repair chromium coating strength testing device |
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|---|---|
| CN116593387B (en) | 2023-09-29 |
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Denomination of invention: A Strength Testing Device for Repairing Chromium Coating on Rolling Rolls Granted publication date: 20230929 Pledgee: TANGSHAN BANK Co.,Ltd. Pledgor: Tangshan Caofeidian Tongyi Electromechanical Equipment Co.,Ltd. Registration number: Y2024980019415 |
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