CN117907222B - Metal spraying plastic piece performance detection device - Google Patents
Metal spraying plastic piece performance detection device Download PDFInfo
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- CN117907222B CN117907222B CN202410309948.9A CN202410309948A CN117907222B CN 117907222 B CN117907222 B CN 117907222B CN 202410309948 A CN202410309948 A CN 202410309948A CN 117907222 B CN117907222 B CN 117907222B
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- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 20
- 239000002184 metal Substances 0.000 title claims abstract description 20
- 238000005507 spraying Methods 0.000 title claims description 23
- 238000012360 testing method Methods 0.000 claims abstract description 105
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000001125 extrusion Methods 0.000 claims description 12
- 238000005192 partition Methods 0.000 claims description 7
- 230000017105 transposition Effects 0.000 claims description 7
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000576 coating method Methods 0.000 abstract description 23
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 12
- 239000000853 adhesive Substances 0.000 abstract description 7
- 230000001070 adhesive effect Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 abstract description 4
- 238000003908 quality control method Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 239000011248 coating agent Substances 0.000 description 17
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- 238000003780 insertion Methods 0.000 description 5
- 230000037431 insertion Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- 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
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention relates to the technical field of performance detection of plastic-sprayed parts, and in particular provides a device for detecting performance of a metal plastic-sprayed part, which comprises the following components: the device comprises two fixing seats, a detection test mechanism and a fixing mechanism. According to the invention, the elbow is stably fixed through the cooperation of the detection test mechanism and the fixing mechanism, the detection test mechanism carries out friction tests on the surface of the elbow at different friction speeds through different friction mediums in the detection process, the friction positions are changed, the friction detection results at different speeds can be compared at different positions while the adhesion properties of the surface coatings of the elbow are detected at different speeds, the comparison accuracy of the abrasion conditions of the surface coatings of the elbow at different speeds is improved, the adhesive force of the surface coatings of the elbow is comprehensively and accurately estimated, and an effective means is provided for product quality control and process improvement.
Description
Technical Field
The invention relates to the technical field of performance detection of plastic-sprayed parts, and particularly provides a device for detecting performance of a metal plastic-sprayed part.
Background
Metal spraying is a common surface coating method, in which a workpiece is processed by coating melted metal powder, and the type of metal spraying is dependent on the metal used, the processing method and the application field, and the common types of metal spraying include zinc spraying, aluminum spraying, stainless steel spraying and the like.
The stainless steel plastic spraying parts are divided into stainless steel straight pipe plastic spraying parts and stainless steel bent pipe plastic spraying parts, and the stainless steel bent pipe plastic spraying parts (hereinafter collectively referred to as bent pipes) are required to be subjected to adhesion test in order to verify the performance of the coating of the stainless steel bent pipe plastic spraying parts due to the fact that the shape of the stainless steel bent pipe is complex, and the uniformity and durability of the coating can be affected.
However, since the wear degrees of different friction media on the surface coating of the elbow pipe are different at different speeds, in order to comprehensively evaluate the wear resistance of the surface coating of the elbow pipe, the influence of the different friction media on the adhesion layer of the surface coating of the elbow pipe at different speeds needs to be compared, and the data obtained by the single detection are relatively one-sided, so that a metal plastic spraying performance detection device is needed at present, and the friction test of the elbow pipe by the different friction media at different speeds is completed.
Disclosure of Invention
In view of the above problems, embodiments of the present application provide a device for detecting performance of a metal spraying plastic part, so as to solve the technical problems in the related art.
In order to achieve the above object, the embodiment of the present application provides the following technical solutions: a metal spray performance detection device, comprising: the bent pipe fixing device comprises two fixing seats, wherein fixing mechanisms for fixing the bent pipe in a clamping mode are arranged at the tops of the two fixing seats, a bearing frame is arranged between the two fixing seats, and a detection test mechanism is connected to the bearing frame in a rotating mode.
The test mechanism comprises a clamp sleeve fixedly connected to a bearing frame, a disc-shaped fixing disc is rotatably connected between the clamp sleeve and the bearing frame, a circular mounting groove is formed in the middle of the fixing disc, an adjusting ring is rotatably connected in the mounting groove, two guide grooves extending along the radial direction of the adjusting ring are formed in the mounting groove, an L-shaped sliding seat is connected in a sliding manner in the guide grooves, one end of the L-shaped sliding seat extends to the outside of the guide grooves and is provided with a detachable upper friction test piece through a connecting set, the other end penetrates into the mounting groove and is rotatably connected with a friction reducing roller, the other end of the L-shaped sliding seat is connected with the guide grooves through a pushing spring, the inner annular surface of the adjusting ring is provided with two arc-shaped extrusion blocks, an arc inclined surface of each arc-shaped extrusion block is in contact with the friction reducing roller and is used for driving the L-shaped sliding seat to slide in the guide grooves, the inner ring of the adjusting ring is fixedly connected with a connecting plate, an adjusting shaft concentric with the fixing disc is connected in a spline fit manner, one side of the fixing disc, which is far away from the adjusting shaft, is provided with an arc-shaped frame through a detachable upper friction test piece through a connecting set, the other end of the arc-shaped sliding seat penetrates into the mounting groove and is also provided with a rotating shaft, the upper friction test piece is connected with a rotating shaft through a rotating shaft, and a rotating shaft is connected with a rotating shaft through a lower friction test set, and a rotating shaft is arranged at the rotating shaft is in a rotating test seat, and is not in a rotating test seat is far away from a rotating speed test piece is connected with a rotating shaft, and is in front and is connected with a rotating test seat, and is far away from a rotating test device is connected with a rotating shaft through a rotating test box, and the arc friction plates are all different in material.
In one possible implementation mode, the speed regulation driving set comprises a fixed plate fixedly connected between two fixed seats, a movable frame is slidably installed on the end face of the fixed plate, which is close to the fixed plate, racks I are installed on the upper inner wall and the lower inner wall of the movable frame, a driving shaft is rotatably connected to the fixed plate, an incomplete gear which is intermittently and alternately meshed with the racks I is fixedly sleeved on the driving shaft, racks II are installed on the top of the movable frame, and a rotary gear which is in meshed transmission with the racks II is fixedly installed on the rotating shaft.
In one possible implementation mode, the connection group comprises slots which are formed in the L-shaped sliding seat and the ear seat, two partition plates which are symmetrically arranged are arranged in the slots, the two partition plates are connected with inserting rods in a sliding mode, pull rods which penetrate through the corresponding slots are arranged on the L-shaped sliding seat and the ear seat, connecting rods positioned in the middle of the slots are arranged on the pull rods, swinging rods are hinged between the connecting rods and the inserting rods, reset springs sleeved outside the pull rods are arranged between the connecting rods and the slots, grooves are formed in one ends, far away from the arc-shaped friction plates, of the connecting frames, insertion holes are formed in two sides of the grooves, and after the connecting frames are inserted into the insertion holes, the inserting rods are inserted into the insertion holes to lock the connecting frames.
In a possible implementation mode, the fixed establishment is including seting up the guide way at the fixing base top, and sliding connection has the seat of sliding in the guide way, and two opposite faces of seat of sliding all are through the support mounting to press the roller, and the middle part of pressing the roller is indent arc shape, rotates between two guide ways and is connected with two-way screw rod, and two ends of two-way screw rod are connected through screw-thread fit's mode with two seats of sliding respectively.
In one possible implementation manner, two upper clamping friction test pieces are located on two sides of the rotating shaft, and when the two upper clamping friction test pieces are clamped on the bent pipe, the distance between the arc friction plate in one upper clamping friction test piece and the top of the bent pipe is larger than the distance between the arc friction plate in the other upper clamping friction test piece and the top of the bent pipe.
In a possible implementation mode, the transposition friction group comprises a support frame fixedly connected between two fixing seats, a rotating shaft is rotationally connected with the support frame, a plurality of limiting sliding grooves which are uniformly distributed along the circumferential direction of the rotating shaft are formed in the side wall of one end of the rotating shaft, which is close to a fixed disc, a spring groove which is communicated with the limiting sliding grooves is formed in the rotating shaft, a connecting disc is connected in the sliding manner in the spring groove in a sliding manner, sliding strips which are uniformly distributed along the circumferential direction of the connecting disc and penetrate through the limiting sliding grooves are arranged on the side wall of the connecting disc, a locking rod is arranged on the sliding strips, locking holes which are in one-to-one correspondence with the locking rods are formed in the fixed disc, the locking rods are in plug-in fit with the locking holes, a pushing spring is arranged between the connecting disc and the spring groove, an unlocking rod is arranged at one end of the connecting disc, which is far away from the fixed disc, and penetrates through the rotating shaft, and is far away from one end of the fixed disc.
The above technical solutions in the embodiments of the present invention have at least one of the following beneficial effects: 1. according to the metal plastic spraying part performance detection device designed by the invention, the bent pipe is stably fixed through the cooperation of the detection test mechanism and the fixing mechanism, the detection test mechanism carries out friction tests on the surface of the bent pipe through different friction mediums at different friction speeds in the detection process, the friction positions are changed, the friction detection results at different speeds can be compared at different positions while the adhesion performance of the surface coating of the bent pipe is detected at different speeds, the comparison accuracy of the abrasion condition of the surface coating of the bent pipe at different speeds is improved, the adhesive force of the surface coating of the bent pipe is comprehensively and accurately estimated, and an effective means is provided for product quality control and process improvement.
2. The middle part of the pressing roller is in an inward concave arc shape so as to be clamped on the outer side wall of the bent pipe, not only is the bent pipe limited to move up and down, but also is limited to move along the length direction of the sliding seat, so that the stability of fixing the bent pipe is improved, the bent pipe is prevented from shaking in the reciprocating movement friction process of the lower friction test piece and the two upper friction test pieces, the lower friction test piece and the two upper friction test pieces are prevented from moving and shifting, and the accuracy of the adhesive force test of the surface coating of the bent pipe is influenced.
3. According to the invention, the lower support friction test piece/the upper clamping friction test piece are connected through the connecting group, so that the replacement convenience of the lower support friction test piece and the upper clamping friction test piece is improved, and damage to the lower support friction test piece and the upper clamping friction test piece after the use for a long time is prevented, and the accuracy of detecting the adhesive force of the upper coating of the elbow is influenced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a first overall structure of the present invention.
Fig. 2 is a schematic view of a second overall perspective structure of the present invention.
FIG. 3 is a schematic perspective view of the fixed disk, L-shaped slide and arc extrusion block of the present invention.
Fig. 4 is a schematic perspective view of the speed regulation driving set of the present invention (a structural view not including the unlocking lever).
Fig. 5 is a schematic perspective view of a bent pipe.
FIG. 6 is a right-hand cross-sectional view of the indexing friction pack of the present invention.
Fig. 7 is a schematic structural view of the connection of the L-shaped slide, the connection set and the connection frame of the present invention.
Fig. 8 is a schematic structural view of the connection of the ear mount, the connection set and the connection frame according to the present invention.
Reference numerals: 1. a fixing seat; 2. a fixing mechanism; 20. a guide groove; 21. a sliding seat; 22. pressing roller; 23. a bidirectional screw; 3. a bearing frame; 4. detecting a test mechanism; 40. a clamp sleeve; 41. a fixed plate; 42. an adjusting ring; 43. a guide chute; 44. an L-shaped sliding seat; 45. loading a friction test piece; 46. a grinding reduction roller; 47. a pushing spring; 48. arc extrusion blocks; 49. an adjusting shaft; 401. an arc-shaped frame; 402. an ear seat; 403. a friction test piece is held in the palm; 404. a rotation shaft; 405. a connecting frame; 406. an arc friction plate; 410. a fixing plate; 411. a moving frame; 412. a first rack; 413. a drive shaft; 414. an incomplete gear; 415. a second rack; 416. a rotary gear; 420. a slot; 421. a partition plate; 422. a rod; 423. a pull rod; 424. a connecting rod; 425. a swinging rod; 426. a return spring; 427. a groove; 428. a jack; 430. a support frame; 431. limiting sliding grooves; 432. a spring groove; 433. a connecting disc; 434. a slip bar; 435. an latch lever; 436. an inserting hole; 437. a pushing spring; 438. unlocking the rod; 5. and (3) bending the pipe.
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.
Referring to fig. 1 and 2, a metal spraying plastic part performance detecting device includes: the two fixing seats 1, the top of two fixing seats 1 is provided with the fixed establishment 2 that carries out the card and fix to return bend 5 jointly, is provided with between two fixing seats 1 and accepts the frame 3, accepts and is connected with detection test mechanism 4 on the frame 3 rotation.
Referring to fig. 1,2 and 3, the detection test mechanism 4 includes a collar 40 fixedly connected to the receiving frame 3, a disc-shaped fixing disc 41 is rotatably connected between the collar 40 and the receiving frame 3, a circular mounting groove is provided in the middle of the fixing disc 41, an adjusting ring 42 is rotatably connected in the mounting groove, two sliding guide grooves 43 extending radially along the adjusting ring 42 are provided in the mounting groove, an L-shaped slide seat 44 is slidably connected in the sliding guide groove 43, a detachable upper card friction test piece 45 is mounted through a connection set after one end of the L-shaped slide seat 44 extends to the outside of the sliding guide groove 43, a antifriction roll 46 is rotatably connected after the other end penetrates into the mounting groove, and two arc extrusion blocks 48 are mounted between the other end of the L-shaped slide seat 44 and the sliding guide groove 43 through a pushing spring 47, the arc inclined surfaces of the arc extrusion blocks 48 are in contact with the antifriction roll 46 for driving the L-shaped slide seat 44 to slide in the sliding guide groove 43, the inner ring of the adjusting ring 42 is fixedly connected with a connecting plate, an adjusting shaft 49 concentric with the fixed disk 41 is connected on the connecting plate in a spline fit mode, the adjusting shaft 49 penetrates through the fixed disk 41 and is connected with the fixed disk 41 in a thread fit mode, an arc-shaped frame 401 is arranged on one side of the fixed disk 41 away from the adjusting shaft 49, an ear seat 402 is arranged at the top of the arc-shaped frame 401, a connecting group is also arranged at the top of the ear seat 402, a lower support friction test piece 403 is detachably connected on the connecting group, the end surface of the fixed disk 41 away from the adjusting shaft 49 is connected with a rotating shaft 404 through a transposition friction group, the axle centers of the rotating shaft 404, the arc-shaped frame 401 and the adjusting shaft 49 are collinear, the transposition friction group is used for adjusting the positions of the upper clamp friction test piece 45 and the lower support friction test piece 403 on the surface of the elbow 5 when the rotating shaft 404 does not rotate, a speed regulation driving group for driving the rotating shaft 404 to perform forward and backward reciprocating deflection and changing the speed is arranged between the two fixing seats 1, the two upper clamping friction test pieces 45 and the lower supporting friction test pieces 403 are both composed of a connecting frame 405 and an arc friction plate 406, and the materials of the arc friction plates 406 are different.
Firstly, the bent pipe 5 is placed on two fixed seats 1, the middle part of the bent pipe 5 is supported by a lower friction test piece 403, then the fixed disk 41 is limited to rotate by external driving force (such as manual force) and the adjusting shaft 49 is driven to rotate, the adjusting shaft 49 drives the connecting plate, the adjusting ring 42 and the arc extrusion block 48 to rotate in a spline fit mode, the arc extrusion block 48 is in rolling contact with the antifriction roller 46 in the rotating process and extrudes one end of the L-shaped sliding seat 44 in the mounting groove to move towards the pushing spring 47, so that the pushing spring 47 contracts, and meanwhile, the L-shaped sliding seat 44 drives the upper friction test piece 45 to move towards the center of the fixed disk 41 until the arc friction plate 406 in the upper friction test piece 45 is clamped on the outer side wall of the bent pipe 5, so that the bent pipe 5 is positioned and pre-fixed.
Referring to fig. 1 and 4, the speed regulation driving set includes a fixed plate 410 fixedly connected between two fixed seats 1, a moving frame 411 is slidably mounted on an end surface of the fixed plate 410 near the fixed plate 41, racks one 412 are mounted on upper and lower inner walls of the moving frame 411, a driving shaft 413 is rotatably connected to the fixed plate 410, an incomplete gear 414 intermittently and alternately meshed with the upper and lower racks one 412 is fixedly sleeved on the driving shaft 413, a rack two 415 is mounted on the top of the moving frame 411, and a rotary gear 416 meshed with the rack two 415 is fixedly mounted on the rotating shaft 404.
The driving shaft 413 penetrates through the fixing plate 410 and then is connected with the existing external driving source one (such as a variable speed motor), after the fixing mechanism 2 fixes the two ends of the bent pipe 5, the external driving source is started to drive the driving shaft 413 to rotate, the driving shaft 413 is meshed with the upper rack one and the lower rack one 412 in an intermittent staggered manner in the rotating process through the incomplete gear 414, so that the moving frame 411 is driven to reciprocate along the length direction of the fixing plate 410, the moving frame 411 drives the rack two 415 to reciprocate, and the rack two 415 is meshed with the rotary gear 416, so that the rotating shaft 404, the fixing plate 41, the upper clamping friction test piece 45 and the lower clamping friction test piece 403 are driven to carry out reciprocating friction on the surface of the bent pipe 5, so that the surface coating adhesive force detection test of the bent pipe 5 is carried out.
When friction detection of different speeds is required on the bent pipe 5, rotation of the driving shaft 413 is stopped firstly, the fixed disc 41 is rotated under the condition that the rotating shaft 404 is not moved by the transposition friction group, so that the fixed disc 41 drives the upper clamping friction test piece 45 and the lower supporting friction test piece 403 to move along the corresponding surface of the bent pipe 5, then the fixed disc 41 is locked with the rotating shaft 404, finally the driving shaft 413 is driven to rotate by an external driving source after rotating speed adjustment, and the driving shaft 413 is driven to rotate by meshing transmission of the incomplete gear 414 and the first rack 412 and meshing transmission of the second rack 415 and the rotating gear 416, thereby changing the reciprocating swinging speed of the rotating shaft 404, the upper clamping friction test piece 45 and the lower supporting friction test piece 403, and realizing friction tests at different speeds on the bent pipe 5 so as to compare abrasion conditions on the same bent pipe 5 at different speeds.
Friction tests are carried out on the surface of the bent pipe 5 through different friction media at different friction speeds, so that the adhesion performance of the surface coating of the bent pipe 5 under different friction media at different speeds can be detected, the adhesion force of the surface coating of the bent pipe 5 can be comprehensively and accurately estimated, and an effective means is provided for product quality control and process improvement.
Referring to fig. 7 and 8, the connection set includes an L-shaped slide 44 and a slot 420 formed on the ear mount 402, two partition boards 421 symmetrically disposed are installed in the slot 420, two partition boards 421 are slidably connected with a plug rod 422, pull rods 423 penetrating through the corresponding slot 420 are installed on the L-shaped slide 44 and the ear mount 402, a connecting rod 424 located in the middle of the slot 420 is installed on the pull rods 423, a swinging rod 425 is hinged between the connecting rod 424 and the plug rod 422, a return spring 426 sleeved outside the pull rod 423 is installed between the connecting rod 424 and the slot 420, a groove 427 is formed at one end of the connecting frame 405 far away from the arc friction plate 406, two sides of the groove 427 are provided with insertion holes 428, and after the connecting frame 405 is inserted into the slot 420, the plug rod 422 is inserted into the insertion holes 428 to lock the connecting frame 405.
When the lower support friction test piece 403 and the upper clamping friction test piece 45 need to be replaced, the pull rod 423 is pulled, the pull rod 423 drives the connecting rod 424 to extrude the reset spring 426 and simultaneously drives the inserting rod 422 to move from the inserting hole 428 through the swinging rod 425, then the lower support friction test piece 403/the upper clamping friction test piece 45 is taken down, and the new lower support friction test piece 403/the new upper clamping friction test piece 45 is replaced, so that the replacement convenience of the lower support friction test piece 403 and the upper clamping friction test piece 45 is improved, damage to the lower support friction test piece 403 and the upper clamping friction test piece 45 after being used for a long time is prevented, and the accuracy of detecting the coating adhesive force on the bent pipe 5 is affected.
Referring to fig. 1 and 2, the fixing mechanism 2 includes a guide slot 20 formed at the top of the fixing base 1, sliding seats 21 are slidably connected in the guide slot 20, opposite surfaces of the two sliding seats 21 are respectively provided with a pressing roller 22 through a bracket, the middle of the pressing roller 22 is in a concave arc shape, a bidirectional screw 23 is rotatably connected between the two guide slots 20, and two ends of the bidirectional screw 23 are respectively connected with the two sliding seats 21 through a threaded fit manner.
After the bent pipe 5 is placed, after the two upper clamping friction test pieces 45 press the bent pipe 5 on the lower supporting friction test piece 403, the two-way screw rod 23 is driven to rotate by the external driving source II (such as a motor), the two-way screw rod 23 drives the sliding seat 21 to move in a threaded fit mode until the sliding seat 21 is pressed against one side, close to the bent pipe 5, of the guide groove 20, at the moment, the sliding seat 21 drives the pressing roller 22 to clamp and limit two ends of the bent pipe 5, so that the bent pipe 5 is fixed, the middle part of the pressing roller 22 is arc-shaped, so that the bent pipe 5 is clamped on the outer side wall of the bent pipe 5, not only the limit of moving up and down is carried out, but also the limit of moving along the length direction of the sliding seat 21 is carried out on the bent pipe 5, the stability of fixing the bent pipe 5 is improved, the lower supporting friction test piece 403 and the two upper clamping friction test pieces 45 are prevented from shaking in the reciprocating friction process, the lower supporting friction test piece 403 and the two upper clamping friction test pieces 45 are prevented from moving and shifting, and the accuracy of the adhesion test of a coating on the surface of the bent pipe 5 is affected.
Referring to fig. 1 and 5, two upper clamping friction test pieces 45 are located at two sides of the rotating shaft 404, and when the two upper clamping friction test pieces 45 are clamped on the bent pipe 5, the distance between the arc friction plate 406 in one upper clamping friction test piece 45 and the top of the bent pipe 5 is greater than the distance between the arc friction plate 406 in the other upper clamping friction test piece 45 and the top of the bent pipe 5, so that the moving path of the fixed disc 41 when the two upper clamping friction test pieces 45 are driven to perform friction test on the bent pipe 5 is in asymmetric arrangement, and two friction marks at the upper end of the bent pipe 5 and the two upper clamping friction test pieces 45 are in one-to-one correspondence when the bent pipe 5 is removed, thereby avoiding confusion of the two friction marks.
Referring to fig. 1 and 6, the transposition friction set includes a support frame 430 fixedly connected between two fixing seats 1, a rotating shaft 404 is rotatably connected with the support frame 430, a plurality of limiting sliding grooves 431 uniformly distributed along the circumferential direction of the rotating shaft 404 are provided on a side wall of one end of the rotating shaft 404 close to the fixing disc 41, a spring groove 432 communicated with the plurality of limiting sliding grooves 431 is provided on the rotating shaft 404, a connecting disc 433 is slidably connected in the spring groove 432, a sliding strip 434 uniformly distributed along the circumferential direction of the connecting disc 433 and penetrating through the limiting sliding grooves 431 is mounted on the side wall of the connecting disc 433, a locking rod 435 is mounted on the sliding strip 434, locking holes 436 corresponding to the locking rods 435 one by one are provided on the fixing disc 41, the locking rods 435 are in locking fit with the locking holes 436 in a plugging manner, a pushing spring 437 is mounted between the connecting disc 433 and the spring groove 432, an unlocking rod 438 is mounted on one end of the connecting disc 433 far from the fixing disc 41, and penetrates through one end of the rotating shaft 404 far from the fixing disc 41.
When friction detection of different speeds is required on the bent pipe 5, the unlocking rod 438 is pulled to drive the connecting disc 433 to move, the connecting disc 433 drives the locking rod 435 to move out of the locking hole 436 through the sliding bar 434, then the arc-shaped frame 401 is stirred to drive the fixing disc 41 to rotate, so that the upper clamping friction test piece 45 and the lower clamping friction test piece 403 move a certain distance along the corresponding surface of the bent pipe 5, at the moment, the locking holes 436 and the locking rod 435 are in one-to-one correspondence again, then the unlocking rod 438 is released, the connecting disc 433 drives the sliding bar 434 to move under the action of the elastic force of the pushing spring 437, the locking rod 435 is inserted into the corresponding locking hole 436, locking connection of the rotating shaft 404 and the fixing disc 41 is realized, and meanwhile, friction position adjustment of the upper clamping friction test piece 45 and the lower clamping friction test piece 403 is also realized.
During operation, the bent pipe 5 is firstly placed on the two fixing seats 1, the middle part of the bent pipe 5 is supported by the lower support friction test piece 403, then the fixing disc 41 is limited to rotate by external driving force (such as manual force) and the adjusting shaft 49 is driven to rotate, the adjusting shaft 49 drives the connecting plate, the adjusting ring 42 and the arc extrusion block 48 to rotate in a spline fit mode, the arc extrusion block 48 is in rolling contact with the antifriction roller 46 in the rotating process and extrudes one end of the L-shaped sliding seat 44 in the mounting groove to move towards the pushing spring 47, so that the pushing spring 47 contracts, and meanwhile, the L-shaped sliding seat 44 drives the upper clamping friction test piece 45 to move towards the center of the fixing disc 41 until the arc friction plate 406 in the upper clamping friction test piece 45 is clamped on the outer side wall of the bent pipe 5, so that the bent pipe 5 is positioned and pre-fixed.
Then, the two ends of the bent pipe 5 are clamped and fixed through the fixing mechanism 2, so that the bent pipe 5 is prevented from shaking in the performance detection process, and the accuracy of the adhesive force test of the surface coating of the bent pipe 5 is affected due to the fact that the lower friction test piece 403 and the two upper clamping friction test pieces 45 move and deviate.
Finally, the speed regulation driving group and the transposition friction group are matched to carry out reciprocating friction on the surfaces of the bent pipes 5 with different friction mediums at different speeds, so that the adhesion performance of the surface coatings of the bent pipes 5 with different friction mediums at different speeds can be detected, the adhesion force of the surface coatings of the bent pipes 5 can be comprehensively and accurately estimated, and an effective means is provided for product quality control and process improvement.
In the description of the present invention, it should be understood that the terms "long", "width", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "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 can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not limited in scope by the present invention, so that all equivalent changes according to the structure, shape and principle of the present invention are covered in the scope of the present invention.
Claims (6)
1. A metal spraying plastic piece performance detection device, characterized by comprising:
The device comprises two fixing seats (1), wherein the tops of the two fixing seats (1) are jointly provided with a fixing mechanism (2) for clamping and fixing an elbow pipe (5), a bearing frame (3) is arranged between the two fixing seats (1), and a detection test mechanism (4) is rotationally connected to the bearing frame (3);
The detection test mechanism (4) comprises a clamp sleeve (40) fixedly connected to the bearing frame (3), a disc-shaped fixed disc (41) is rotatably connected between the clamp sleeve (40) and the bearing frame (3), a circular mounting groove is formed in the middle of the fixed disc (41), an adjusting ring (42) is rotatably connected in the mounting groove, two guide sliding grooves (43) extending along the radial direction of the adjusting ring (42) are formed in the mounting groove, an L-shaped sliding seat (44) is slidably connected in the guide sliding groove (43), one end of the L-shaped sliding seat (44) extends to the outside of the guide sliding groove (43), a detachable upper clamping friction test piece (45) is mounted through a connecting group, a friction reducing roller (46) is rotatably connected in the mounting groove after the other end penetrates the mounting groove, the other end of the L-shaped sliding seat (44) is connected with the guide sliding groove (43) through a pushing spring (47), two arc-shaped extrusion blocks (48) are mounted on the inner annular surface of the adjusting ring (42), the arc-shaped inclined surfaces of the arc-shaped extrusion blocks (48) are in contact with the friction reducing roller (46) to drive the L-shaped sliding seat (44) to slide in the guide sliding groove (43), and are fixedly matched with the connecting plate (41) through a connecting plate (41) in a concentric mode, and fixedly matched with the connecting plate (41) through a connecting plate (49), an arc-shaped frame (401) is arranged on one side, far away from an adjusting shaft (49), of a fixed disc (41), an ear seat (402) is arranged at the top of the arc-shaped frame (401), a connecting group is also arranged at the top of the ear seat (402), a lower supporting friction test piece (403) is detachably connected to the connecting group, a rotating shaft (404) is connected to the end face, far away from the adjusting shaft (49), of the fixed disc (41), the rotating shaft (404) is used for adjusting the positions of an upper clamping friction test piece (45) and a lower supporting friction test piece (403) on the surface of the bent pipe (5) when the rotating shaft (404) does not rotate, a speed regulation driving group used for driving the rotating shaft (404) to positively and reversely reciprocate and change speed is arranged between two fixed seats (1), the two upper clamping friction test pieces (45) and the lower supporting friction test pieces (403) are composed of a connecting frame (405) and an arc friction plate (406), and materials of the arc friction plates (406) are different.
2. The metal spraying plastic part performance detection device according to claim 1, wherein: the speed regulation driving group comprises a fixed plate (410) fixedly connected between two fixed seats (1), a movable frame (411) is slidably arranged on the end face, close to the fixed plate (41), of the fixed plate (410), racks I (412) are arranged on the upper inner wall and the lower inner wall of the movable frame (411), a driving shaft (413) is connected to the fixed plate (410) in a rotating mode, incomplete gears (414) intermittently and alternately meshed with the racks I (412) are fixedly sleeved on the driving shaft (413), racks II (415) are arranged on the top of the movable frame (411), and rotary gears (416) meshed with the racks II (415) are fixedly arranged on the rotary shaft (404).
3. The metal spraying plastic part performance detection device according to claim 1, wherein: the transposition friction group comprises a support frame (430) fixedly connected between two fixing seats (1), a rotating shaft (404) is rotationally connected with the support frame (430), a plurality of limit sliding grooves (431) which are uniformly distributed along the circumferential direction of the rotating shaft (404) are formed in the side wall, close to one end of a fixed disc (41), of the rotating shaft (404), spring grooves (432) which are communicated with the limit sliding grooves (431) are formed in the rotating shaft (404), connecting discs (433) are connected with sliding bars (434) in a sliding manner, the side wall of each connecting disc (433) is provided with sliding bars (434) which are uniformly distributed along the circumferential direction and penetrate through the limit sliding grooves (431), locking bars (435) are arranged on the sliding bars (434), locking holes (436) which correspond to the locking bars (435) one to one, the locking bars (435) are in plug-in fit with the locking holes (436), a pushing spring (437) is arranged between each connecting disc (433) and each spring groove (432), one end, far away from the fixed disc (41), of each connecting disc (433) is provided with a unlocking bar (404), and one end, far away from the fixed disc (41).
4. The metal spraying plastic part performance detection device according to claim 1, wherein: the connection group comprises slots (420) formed in the L-shaped sliding seat (44) and the lug seat (402), two partition boards (421) which are symmetrically arranged are arranged in the slots (420), inserting rods (422) are connected to the two partition boards (421) in a sliding mode, pull rods (423) penetrating through the corresponding slots (420) are arranged on the L-shaped sliding seat (44) and the lug seat (402), connecting rods (424) located in the middle of the slots (420) are arranged on the pull rods (423), swinging rods (425) are hinged between the connecting rods (424) and the inserting rods (422), reset springs (426) sleeved on the outer sides of the pull rods (423) are arranged between the connecting rods (424) and the slots (420), one ends of the connecting frames (405) away from the arc friction plates (406) are provided with grooves (427), inserting holes (428) are formed in two sides of the grooves (427), and the connecting frames (405) are inserted into the inserting holes (428) to lock the connecting frames (405).
5. The metal spraying plastic part performance detection device according to claim 1, wherein: the fixing mechanism (2) comprises a guide groove (20) formed in the top of the fixing seat (1), sliding seats (21) are slidably connected in the guide groove (20), opposite faces of the two sliding seats (21) are provided with pressing rollers (22) through support mounting, the middle of each pressing roller (22) is in a concave arc shape, a bidirectional screw (23) is rotationally connected between the two guide grooves (20), and two ends of each bidirectional screw (23) are respectively connected with the two sliding seats (21) through threaded fit.
6. The metal spraying plastic part performance detection device according to claim 1, wherein: when two upper clamping friction test pieces (45) are positioned on two sides of the rotating shaft (404) and the two upper clamping friction test pieces (45) are clamped on the bent pipe (5), the distance between the arc friction plate (406) in one upper clamping friction test piece (45) and the top of the bent pipe (5) is larger than the distance between the arc friction plate (406) in the other upper clamping friction test piece (45) and the top of the bent pipe (5).
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| CN202410309948.9A CN117907222B (en) | 2024-03-19 | 2024-03-19 | Metal spraying plastic piece performance detection device |
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| CN202410309948.9A CN117907222B (en) | 2024-03-19 | 2024-03-19 | Metal spraying plastic piece performance detection device |
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| CN117907222B true CN117907222B (en) | 2024-05-14 |
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| CN115165538A (en) * | 2022-07-15 | 2022-10-11 | 华南理工大学 | Intrinsically safe multifunctional high-pressure hydrogen environment material friction wear in-situ testing device |
| CN115683912A (en) * | 2022-11-09 | 2023-02-03 | 辽宁工程技术大学 | Hybrid motion type friction and wear test device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0085507A1 (en) * | 1982-01-28 | 1983-08-10 | Holmen Chemicals Ltd. | Pellet durability tester |
| JPH086505A (en) * | 1994-06-20 | 1996-01-12 | Matsushita Electric Ind Co Ltd | Tilt angle varying device for monitor |
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| Publication number | Publication date |
|---|---|
| CN117907222A (en) | 2024-04-19 |
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