CN116754412A - Computer case hardness detector and detection method - Google Patents
Computer case hardness detector and detection method Download PDFInfo
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- CN116754412A CN116754412A CN202310848924.6A CN202310848924A CN116754412A CN 116754412 A CN116754412 A CN 116754412A CN 202310848924 A CN202310848924 A CN 202310848924A CN 116754412 A CN116754412 A CN 116754412A
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- 238000001514 detection method Methods 0.000 title claims abstract description 72
- 238000003825 pressing Methods 0.000 claims abstract description 37
- 238000006073 displacement reaction Methods 0.000 claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 80
- 229910052742 iron Inorganic materials 0.000 claims description 40
- 230000009471 action Effects 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007542 hardness measurement Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- General Physics & Mathematics (AREA)
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The application relates to a computer case hardness detector and a detection method, belonging to the technical field of computer equipment manufacture and detection; the detector comprises a machine table and a mounting rack fixedly mounted at the top of the machine table; the right side above the mounting frame is fixedly provided with a longitudinal displacement mechanism, the longitudinal displacement mechanism is connected with a first plate body, the upper end of the first plate body is fixedly provided with a connecting frame, the connecting frame is fixedly provided with a vertical hydraulic cylinder, the bottom end of an output shaft of the hydraulic cylinder is fixedly provided with a second plate body, and the second plate body is positioned at the right side of the first plate body; the left side of the second plate body is fixedly provided with a vertical sliding rail, a vertical sliding block is slidably arranged on the vertical sliding rail, and the vertical sliding block is fixedly connected with the right side wall of the first plate body; the right side wall fixed mounting of second plate body has the protective housing, but the inside of protective housing is provided with the sclerometer of transverse adjustment position. The application can drive the hardness tester to adjust the transverse position, and improves the accuracy of the whole hardness detection through the pressing detection of different transverse positions for a plurality of times.
Description
Technical Field
The application relates to a computer case hardness detector and a detection method, belonging to the technical field of computer equipment manufacture and detection.
Background
The chassis is used as a part of computer accessories and has the main functions of placing and fixing the computer accessories and supporting and protecting the computer accessories; after the production, the overall hardness has certain requirements, and is generally detected by a hardness detector.
In a hardness detection device for a computer case, as disclosed in the existing patent document CN218382204U, a hardness detection device for a computer case is disclosed, which comprises a device bottom plate and a movable detection structure, the movable detection structure comprises a device sliding column, two ends of the device sliding column are respectively and fixedly connected with a first plate and a supporting frame, a second plate is fixedly connected on the device sliding column, a device threaded column is rotationally connected between the second plate and the first plate, the device threaded column and the device sliding column are arranged in parallel alignment, one end of the device threaded column is fixedly connected with a hand wheel, the hand wheel is arranged at the outer end of the first plate, a third plate is fixedly connected on the device sliding column, the lower end of the third plate is fixedly connected with an equipment mounting plate, the upper end of the equipment mounting plate is fixedly connected with a push-pull force meter, and the device sliding detection structure is arranged so that a hydraulic push rod can obtain a difference value when extruding a case shell, and a specific compression resistance value of the case shell hardness can be calculated through the difference value and the thrust of the hydraulic push rod.
Although the hardness of the computer case can be detected, when the computer case is used for detecting a single case, the detection position is fixed, the adjustment of the detection position cannot be realized, and the computer case is not easy to detect for multiple times at different positions of the single case, so that the detection precision is not easy to improve, and the accuracy is not easy to be ensured.
Disclosure of Invention
In order to solve the problems, the application designs a computer case hardness detector and provides a detection method; the hardness tester is driven to carry out transverse position adjustment, so that the requirement of pressing detection of different transverse positions of the hardness tester is met, the accuracy of the overall hardness detection is improved through pressing detection of different transverse positions for a plurality of times, and the accuracy of the overall detection is ensured; the problem that multiple times of detection cannot be carried out on different positions of a single workpiece in the prior art is solved, and the detection precision is improved.
The purpose of the application is realized in the following way:
a computer case hardness detector comprises a machine table and a mounting rack fixedly mounted at the top of the machine table;
the right side of the upper part of the mounting frame is fixedly provided with a longitudinal displacement mechanism, the longitudinal displacement mechanism is connected with a first plate body, the upper end of the first plate body is fixedly provided with a connecting frame, the connecting frame is fixedly provided with a vertical hydraulic cylinder, the bottom end of an output shaft of the hydraulic cylinder is fixedly provided with a second plate body, and the second plate body is positioned on the right side of the first plate body; the left side of the second plate body is fixedly provided with a vertical sliding rail, a vertical sliding block is slidably arranged on the vertical sliding rail, and the vertical sliding block is fixedly connected with the right side wall of the first plate body;
the right side wall of the second plate body is fixedly provided with a protective shell, a durometer capable of transversely adjusting the position is arranged in the protective shell, a transverse groove is formed in the bottom of the protective shell, and a bottom pressure head of the durometer penetrates through the transverse groove;
the front surface of the protective shell is provided with a groove body for observing the dial of the hardness tester; and the machine table is fixedly provided with a carrier plate.
The computer case hardness detector comprises a servo motor, a screw rod and a longitudinal sliding rail, wherein the servo motor and the longitudinal sliding rail are fixedly installed with a mounting frame, the output shaft end of the servo motor is fixedly connected with one end of the screw rod, an end frame is rotatably installed at the other end of the screw rod, the end frame is fixedly installed on the right side wall of the mounting frame, a nut is installed on the screw rod in a threaded mode, a longitudinal sliding block is installed on the longitudinal sliding rail in a sliding mode, and the longitudinal sliding block and the nut are fixedly installed on the left side wall of the first plate body.
The computer case hardness detector comprises a shell, wherein a connecting rod is fixedly arranged on the left side of the shell of the hardness tester, the connecting rod is of an L-shaped structure, a transverse sliding block is fixedly arranged at the top end of the connecting rod, a transverse sliding rail is fixedly arranged on the inner wall of the top of the protective shell, and the transverse sliding block is slidably arranged with the transverse sliding rail.
The inside of protective housing is provided with first support frame, and first support frame fixed mounting is to on the right side wall of second plate body, first support frame upper end is rotated and is installed from the driving wheel, fixed mounting has two second support frames on the left side wall of second plate body, two rotate between the second support frame and install the circle axle, the epaxial action wheel that has fixedly cup jointed of circle, the action wheel with around being equipped with the drive belt between the driving wheel, the logical groove has been seted up on the face of second plate body, the drive belt passes logical groove.
Further, the lower part rear fixedly connected with spliced pole of drive belt, the one end and the connecting rod fixed connection that keep away from the drive belt of spliced pole.
Further, a gear is arranged on the circular shaft, a circular ring groove is formed in the outer shaft wall of the circular shaft, and the inner ring of the gear is in clearance fit connection with the circular ring groove; the gear is connected with a rack in a meshed mode, and the rack is fixedly mounted on the right side wall of the first plate body.
The rear end middle part of circle axle has seted up the end hole, the circle axle has seted up a plurality of guide slot that is annular array and distributes along ring groove length direction, the both ends of guide slot respectively with end hole and ring groove intercommunication, guide slot clearance fit is connected with the briquetting, the briquetting stretches into the tip fixed mounting in the end hole has the end block, end block fixed mounting has the second spring, an tip fixed mounting of second spring is to on the pore wall of end hole.
The end hole is internally provided with a round platform block, a connecting rod is fixedly arranged in the middle of one end of the round platform block, the connecting rod is in clearance fit connection with a guide hole formed in a second supporting frame, the round platform block is in a cylindrical structure at a position close to the connecting rod, the round platform block is in a round platform structure at a position far away from the connecting rod, an inclined plane is formed in one end of the pressing block, and the inclined plane of the pressing block is in contact with the side face of the round platform block.
The connecting rod is sleeved with a first spring, the first spring is positioned in the end hole, one end of the first spring is fixedly connected with the rod surface of the connecting rod, and the other end of the first spring is fixedly connected with the hole wall of the end hole; the connecting rod is rotatably provided with a connecting bar at one end far away from the round table block, an iron block is fixedly connected at one end far away from the connecting bar, a vertical groove is formed in the back surface of the rack along the length direction, one end of the iron block extends into the vertical groove, and the iron block is in sliding connection with the vertical groove; the bottom department embedding of vertical groove is provided with the electro-magnet, the spout has all been seted up to the shell both sides of electro-magnet, fixed mounting has conductive contact in the spout, and conductive contact is connected with electromagnetic ferroelectric, the both sides wall of vertical groove all fixed mounting has the conducting strip, the conducting strip with spout sliding connection, conductive contact with the conducting strip contact.
A computer case hardness detection method comprises the following steps:
single detection
When in use, the external control device and the power supply power and provide electric control for the whole device; at the moment, the hydraulic cylinder is in a contracted state, the sclerometer is in a high position, the computer case to be detected is placed above the carrier plate, the longitudinal displacement mechanism is used for driving, the longitudinal position is adjusted, the sclerometer is moved to the top of the computer case, when the longitudinal position is adjusted, the screw is driven to rotate by the servo motor, the screw and the nut are screwed, and the longitudinal driving is realized by matching with the longitudinal guiding action of the longitudinal sliding rail and the longitudinal sliding block, so that the first plate body and the structure arranged on the first plate body move longitudinally together;
the hydraulic cylinder stretches to enable the second plate body to descend, when the second plate body descends, the stability of vertical movement is improved through the guiding effect of the vertical sliding rail and the vertical sliding block, when the second plate body descends, the structure on the second plate body, including the sclerometer, also vertically descends along with the second plate body, and after the pressure head contacts with the computer case, single detection is achieved through observing the dial plate of the sclerometer;
multiple detection
In order to improve the hardness detection precision of the computer case, the hardness tester is contracted by the hydraulic cylinder to ascend and separate from the computer case, then the second detection is carried out, the hydraulic cylinder is extended, meanwhile, the electromagnet is electrified, when the electromagnet is driven to descend by the hydraulic cylinder, the iron block moves to the upper end position of the electromagnet and is acted by the magnetic force of the electromagnet, the iron block moves and is attached to the electromagnet, after the iron block moves, the connecting bar and the connecting rod connected with the iron block move together, the connecting bar moves to compress the first spring and simultaneously drive the round table block to move, the inclined surface of the pressing block is extruded until the pressing block contacts with the cylindrical part of the round table block, the second spring is compressed at the moment, and meanwhile, the pressing block is pressed on the inner ring of the gear to provide friction clamping, so that the round shaft and the gear are connected into a whole, when the device goes down continuously, the round shaft is driven to rotate together by the rotation driving of the gear, so that the driving wheel rotates together with the round shaft, the driving belt is driven to move in cooperation with the action of the driven wheel, the connecting rod is pulled by the connecting column, the sclerometer transversely moves, the position is adjusted, the pressure head position of the sclerometer is sensed by the displacement sensor, after the device moves by mm, the electromagnet is powered off, the magnetic attraction of the iron block is stopped, the iron block, the connecting bar, the connecting rod and the round table block are reset by the compression elastic force driving of the first spring, the pressing block is reset by the compression elastic force driving of the second spring, the pressing block does not press the inner ring of the gear, and the gear runs on the rack to rotate when the device is detected, but the round shaft is not driven to rotate, so that the secondary detection is realized;
through the operation, the hydraulic cylinder contracts and extends, the electromagnet is electrified and powered off, multiple detection is realized, and the accuracy of hardness detection is improved through multiple detection at different positions by means of multiple groups of generated data; meanwhile, the transverse driving adjustment of the sclerometer is realized by driving the hydraulic cylinder to different detection positions, and the transverse driving adjustment is realized only by switching on and off the electromagnet and sensing displacement without designing a transverse displacement component;
resetting
After the last detection is finished, the hydraulic cylinder is contracted, and before the hydraulic cylinder moves to a high position, the electromagnet is electrified to magnetically attract the iron block, through the transmission function, the round shaft and the gear are connected into a whole, the pressing block presses the inner ring of the gear, the gear rotates when the gear vertically ascends along the rack, and the round shaft rotates along with the gear, but the rotating direction is opposite to the detection multiple-time adjustment position, and the durometer is reset through the transmission of the driving wheel, the driven wheel and the transmission belt; when the electromagnet moves upwards together, the electromagnet slides upwards in the vertical groove, the conductive contact is always in contact with the conductive strip in the vertical sliding process of the electromagnet, so that power supply is ensured, and the control of the on-off of the electromagnet is realized by controlling the on-off of the conductive strip; the circular shaft is always connected with the gear into a whole, the electromagnet is powered off after the reset is judged through the sensing position of the displacement sensor, the adjustment is completed, and the one-time transverse reset movement of the sclerometer is realized through single-time shrinkage reset; after the electromagnet is powered off, the magnetic attraction between the electromagnet and the iron block is released, and the electromagnet automatically slides downwards and moves to the bottom end of the vertical groove under the action of gravity.
The application has the beneficial effects that: compared with the prior hardness detection technology, the hardness detection device has the advantages that the hardness detection device is driven up and down through the hydraulic cylinder driven vertically, so that the hardness tester can press down to detect a workpiece for detection, further, the hardness tester can be driven to adjust the transverse position through the force driven up and down, the requirements of the hardness tester for pressing down detection at different transverse positions are met, the accuracy of the overall hardness detection is improved through pressing down detection at different transverse positions for a plurality of times, and the accuracy of the overall detection is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a computer case hardness testing apparatus according to the present application;
FIG. 2 is a schematic structural view of a first plate body connected to a second plate body;
FIG. 3 is a schematic view of the structure of the interior of the protective shell;
FIG. 4 is an enlarged schematic view of the portion A in FIG. 3;
FIG. 5 is a schematic view of the structure on and inside the circular shaft;
FIG. 6 is an enlarged schematic view of the portion B of FIG. 5;
FIG. 7 is a schematic view of the structure of the vertical slots and the iron blocks;
FIG. 8 is a schematic view of the structure of the bottom end of the vertical trough;
FIG. 9 is a schematic diagram of the structure of the briquette distribution;
fig. 10 is a schematic structural view of a belt and a connecting column.
In the figure: 1. a machine table; 2. a mounting frame; 3. a screw; 4. a servo motor; 5. a longitudinal slide rail; 6. a longitudinal slide block; 7. a first plate body; 8. a vertical slide rail; 9. a vertical sliding block; 10. a second plate body; 11. a hydraulic cylinder; 12. a connecting frame; 13. a protective shell; 14. a durometer; 15. a carrier plate; 16. a rack; 17. a nut; 18. a transverse slot; 19. a displacement sensor; 20. a connecting rod; 21. a transverse slide rail; 22. a transverse slide block; 23. a first support frame; 24. driven wheel; 25. a second support frame; 26. a circular shaft; 27. a driving wheel; 28. a transmission belt; 2801. a connecting column; 29. a through groove; 30. a gear; 31. a connecting strip; 32. an end hole; 33. circular ring grooves; 34. a connecting rod; 35. round table blocks; 36. a first spring; 37. briquetting; 38. an end block; 39. a second spring; 40. a vertical groove; 41. iron blocks; 42. a conductive strip; 43. a chute; 44. a conductive contact; 45. a guide hole; 46. an electromagnet.
Detailed Description
The following detailed description of the application will be given with reference to the accompanying drawings.
Detailed description of the preferred embodiments
The following is a specific embodiment of the computer case hardness detector of the present application.
The computer case hardness detector in the specific embodiment, as shown in fig. 1-10, comprises a machine table 1 and a mounting frame 2 fixedly arranged at the top of the machine table 1;
the right side above the mounting frame 2 is fixedly provided with a longitudinal displacement mechanism, the longitudinal displacement mechanism is connected with a first plate body 7, the upper end of the first plate body 7 is fixedly provided with a connecting frame 12, the connecting frame 12 is fixedly provided with a vertical hydraulic cylinder 11, the bottom end of an output shaft of the hydraulic cylinder 11 is fixedly provided with a second plate body 10, and the second plate body 10 is positioned at the right side of the first plate body 7; the left side of the second plate body 10 is fixedly provided with a vertical sliding rail 8, the vertical sliding rail 8 is provided with a vertical sliding block 9 in a sliding manner, and the vertical sliding block 9 is fixedly connected with the right side wall of the first plate body 7;
a protective shell 13 is fixedly arranged on the right side wall of the second plate body 10, a durometer 14 capable of transversely adjusting the position is arranged in the protective shell 13, a transverse groove 18 is formed in the bottom of the protective shell 13, and a bottom pressure head of the durometer 14 penetrates through the transverse groove 18;
the front surface of the protective shell 13 is provided with a groove body for observing the dial of the hardness tester 14; the machine table 1 is fixedly provided with a carrier plate 15.
In a specific implementation, the longitudinal displacement mechanism comprises a servo motor 4, a screw rod 3 and a longitudinal sliding rail 5, wherein the servo motor 4 and the longitudinal sliding rail 5 are fixedly installed with the installation frame 2, the output shaft end of the servo motor 4 is fixedly connected with one end of the screw rod 3, the other end of the screw rod 3 is rotatably provided with an end frame which is fixedly installed on the right side wall of the installation frame 2, a nut 17 is installed on the screw rod 3 in a threaded manner, a longitudinal sliding block 6 is slidably installed on the longitudinal sliding rail 5, the longitudinal sliding block 6 and the nut 17 are fixedly installed on the left side wall of the first plate body 7, the longitudinal displacement mechanism is used for driving, the longitudinal position is adjusted, the sclerometer 14 is moved to the top of the computer case, and after detection, the sclerometer 14 is separated from the top of the computer case by longitudinal movement, so that the computer case can be taken out conveniently;
when specifically carrying out longitudinal position adjustment, drive screw 3 through servo motor 4 rotates, carries out the screw thread between screw 3 and the nut 17 and twists, cooperates the longitudinal direction effect of longitudinal slide rail 5 and longitudinal slide block 6, has realized longitudinal drive for first plate 7 and install the structure on first plate 7 and carry out longitudinal movement together.
As shown in fig. 3, as a specific technical solution, a connecting rod 20 is fixedly mounted on the left side of the housing of the durometer 14, the connecting rod 20 is of an L-shaped structure, a transverse slider 22 is fixedly mounted on the top end of the connecting rod 20, a transverse sliding rail 21 is fixedly mounted on the inner wall of the top of the protective housing 13, and the transverse slider 22 is slidably mounted with the transverse sliding rail 21; the guide and bearing structure is provided for the overall transverse movement, the transverse sliding block 22 slides on the transverse sliding rail 21, the position adjustment is realized, and the transverse sliding block 22 and the transverse sliding rail 21 bear the weight.
As shown in fig. 3-4, as a specific technical solution, a first supporting frame 23 is provided in the protective housing 13, the first supporting frame 23 is fixedly mounted on a right side wall of the second board body 10, a driven wheel 24 is rotatably mounted at an upper end of the first supporting frame 23, two second supporting frames 25 are fixedly mounted on a left side wall of the second board body 10, a circular shaft 26 is rotatably mounted between the two second supporting frames 25, a driving wheel 27 is fixedly sleeved on the circular shaft 26, a driving belt 28 is wound between the driving wheel 27 and the driven wheel 24, a through groove 29 is formed on a board surface of the second board body 10, and the driving belt 28 passes through the through groove 29; the connecting column 2801 is fixedly connected to the rear of the lower part of the driving belt 28, one end, far away from the driving belt 28, of the connecting column 2801 is fixedly connected with the connecting rod 20, and is rotated by driving the driving wheel 27, and is matched with the action of the driven wheel 24 to drive the driving belt 28 to move, and the connecting rod 20 is pulled by the connecting column 2801, so that the sclerometer 14 transversely moves, and the position is adjusted.
As shown in fig. 5, 6 and 9, as a specific technical scheme, the circular shaft 26 is provided with a gear 30, an outer shaft wall of the circular shaft 26 is provided with a circular groove 33, and an inner ring of the gear 30 is connected with the circular groove 33 in a clearance fit manner; the gear 30 is in meshed connection with the rack 16, and the rack 16 is fixedly mounted on the right side wall of the first plate 7, so that the gear 30 and the circular shaft 26 can rotate when the pressing block 37 does not press the inner ring of the gear 30.
As shown in fig. 5 and fig. 6, as a specific technical solution, an end hole 32 is formed in the middle of the rear end of the circular shaft 26, a plurality of guide grooves distributed in an annular array are formed in the circular shaft 26 along the length direction of the circular groove 33, two ends of the guide grooves are respectively communicated with the end hole 32 and the circular groove 33, the guide grooves are connected with a pressing block 37 in a clearance fit manner, an end block 38 is fixedly mounted at one end part of the pressing block 37 extending into the end hole 32, a second spring 39 is fixedly mounted at the end block 38, and one end part of the second spring 39 is fixedly mounted on the hole wall of the end hole 32; a round table block 35 is arranged in the end hole 32, a connecting rod 34 is fixedly arranged in the middle of one end of the round table block 35, the connecting rod 34 is in clearance fit connection with a guide hole 45 formed in the second supporting frame 25, the round table block 35 is in a cylindrical structure at a position close to the connecting rod 34, the round table block 35 is in a round table structure at a position far away from the connecting rod 34, an inclined surface is formed in one end of the pressing block 37, and the inclined surface of the pressing block 37 is in contact with the side surface of the round table block 35; the connecting rod 34 is sleeved with a first spring 36, the first spring 36 is positioned in the end hole 32, one end of the first spring 36 is fixedly connected with the rod surface of the connecting rod 34, the other end of the first spring 36 is fixedly connected with the hole wall of the end hole 32, the first elastic force is compressed by driving the connecting rod 34 to move, the round platform block 35 is driven to move, the inclined surface of the pressing block 37 is extruded until the pressing block 37 is contacted with the cylindrical part of the round platform block 35, the second spring 39 is compressed at the moment, and meanwhile, the pressing block 37 is pressed onto the inner ring of the gear 30 to provide friction clamping, so that the round shaft 26 and the gear 30 are connected into a whole, and when the round shaft 26 rotates, the gear 30 rotates together;
by relieving the pressure from the link 34 when rotation of the gear 30 is not required, a resilient return is provided by the first spring 36.
As shown in fig. 7-8, as a specific technical scheme, a connecting bar 31 is rotatably installed at one end of the connecting rod 34 away from the circular truncated cone 35, an iron block 41 is fixedly connected at one end of the connecting bar 31 away from the connecting rod 34, a vertical groove 40 is formed in the back surface of the rack 16 along the length direction, one end of the iron block 41 extends into the vertical groove 40, and the iron block 41 is slidably connected with the vertical groove 40; an electromagnet 46 is embedded in the bottom end of the vertical groove 40, sliding grooves 43 are formed in two sides of the outer shell of the electromagnet 46, a conductive contact 44 is fixedly arranged in the sliding grooves 43, the conductive contact 44 is electrically connected with the electromagnet 46, conductive strips 42 are fixedly arranged on two side walls of the vertical groove 40, the conductive strips 42 are in sliding connection with the sliding grooves 43, and the conductive contact 44 is in contact with the conductive strips 42;
the electromagnet 46 is electrified to magnetically attract the iron block 41, so that the connecting rod 34 moves; the conductive contact 44 is always in contact with the conductive strip 42, so that the energizing effect is ensured;
the bottom end of the rack 16 is spaced from the carrier without contact; when the pressure head is in contact with the computer case, the iron block 41 does not move to the bottom end of the vertical groove 40, and a certain gap is formed between the iron block and the bottom end of the vertical groove 40;
one end of the transverse groove 18 is provided with a displacement sensor 19 for sensing the transverse position of the indenter of the durometer 14;
the driving wheel 27 and the driven wheel 24 can be synchronous wheels or chain wheels, and the corresponding driving belt 28 is a synchronous belt or chain.
Wherein the on/off of the electromagnet 46 can be controlled by controlling the on/off of the conductive strip 42.
Detailed description of the preferred embodiments
The following is a specific embodiment of the computer case hardness detection method of the present application.
The method for detecting the hardness of the computer case in the specific embodiment, as shown in fig. 1-10, comprises the following steps:
single detection
When in use, the external control device and the power supply power and provide electric control for the whole device; at this time, the hydraulic cylinder 11 is in a contracted state, the durometer 14 is in a high position, a computer case to be detected is placed above the carrier plate 15, the longitudinal displacement mechanism is used for driving, the longitudinal position is adjusted, the durometer 14 is moved to the top of the computer case, when the longitudinal position is adjusted, the screw rod 3 is driven to rotate by the servo motor 4, the screw rod 3 and the nut 17 are screwed, and the longitudinal guiding effect of the longitudinal sliding rail 5 and the longitudinal sliding block 6 is matched, so that the longitudinal driving is realized, and the first plate 7 and the structure arranged on the first plate 7 move together longitudinally;
the second plate body 10 is stretched by the hydraulic cylinder 11, so that the second plate body 10 descends, the stability of vertical movement is improved by the guiding action of the vertical sliding rail 8 and the vertical sliding block 9 when the second plate body 10 descends, the structure on the second plate body 10 comprises a sclerometer 14 and also descends vertically along with the second plate body 10, and after the pressure head contacts with a computer case, single detection is realized by observing a dial of the sclerometer 14;
multiple detection
In order to improve the hardness detection precision of the computer case, the hardness tester 14 is enabled to ascend and be separated from the computer case by the contraction of the hydraulic cylinder 11, then the second detection is carried out, the hydraulic cylinder 11 is extended, meanwhile, the electromagnet 46 is electrified, when the hydraulic cylinder 11 is driven to descend, the iron block 41 is enabled to move under the action of the magnetic force of the electromagnet 46 when being moved to the upper end position of the electromagnet 46, the iron block 41 is enabled to be abutted to the electromagnet 46, after the iron block 41 is moved, the connecting bar 31 and the connecting rod 34 connected with the iron block 41 are moved together, the connecting rod 34 is moved, the first spring 36 is compressed, the round table block 35 is driven to move, the inclined surface of the pressing block 37 is extruded until the pressing block 37 is contacted with the cylindrical part of the round table block 35, the second spring 39 is compressed, meanwhile, the pressing block 37 is pressed onto the inner ring of the gear 30, friction clamping is provided, the round shaft 26 is enabled to be connected with the gear 30 into a whole, when the driving wheel 30 moves down continuously, the round shaft 26 is driven to rotate together by the rotation driving generated by the up-down movement of the gear rack 16, so that the driving wheel 27 rotates together with the round shaft 26, the driving belt 28 is driven to move by the action of the driven wheel 24, the connecting rod 20 is pulled by the connecting post 2801, the durometer 14 moves transversely, the position is adjusted, the pressure head position of the durometer 14 is sensed by the displacement sensor 19, when the displacement sensor 19 moves for 10mm, the electromagnet 46 is powered off, the magnetic attraction to the iron block 41 is stopped, the iron block 41, the connecting bar 31, the connecting rod 34 and the round table 35 are reset by the compression elastic force driving of the first spring 36, the pressing block 37 is reset by the compression elastic force driving of the second spring 39, the pressing block 37 does not press the inner ring of the gear 30, the hydraulic cylinder 11 moves down continuously, the gear 30 moves on the gear rack 16 for detection, but the round shaft 26 is not driven to rotate, realizing secondary detection;
through the operation, the hydraulic cylinder 11 is contracted and lengthened, the electromagnet 46 is electrified and deenergized, multiple detection is realized, and the accuracy of hardness detection is improved through multiple detection at different positions by means of the generated multiple groups of data; meanwhile, the transverse driving adjustment of the sclerometer 14 to different detection positions is realized by driving by the hydraulic cylinder 11, and only the electromagnet 46 is required to be powered on and powered off and the displacement is required to be sensed, so that the transverse driving adjustment is not required to be provided by designing a transverse displacement assembly;
resetting
After the last detection, the hydraulic cylinder 11 is contracted, before moving to a high position, the electromagnet 46 is electrified to magnetically attract the iron block 41, through the transmission function, the round shaft 26 and the gear 30 are connected into a whole, the pressing block 37 presses the inner ring of the gear 30, the gear 30 rotates when the gear 30 vertically ascends along the rack 16, the round shaft 26 rotates along with the gear 30, but the rotating direction is opposite to the detection multiple adjustment position, and the durometer 14 is reset through the transmission of the driving wheel 27, the driven wheel 24 and the transmission belt 28; when moving upwards together, the iron block 41 is provided with the electromagnet 46 to slide upwards together, the electromagnet 46 slides upwards in the vertical groove 40, wherein the electromagnet 46 needs to be explained that the conductive contact 44 is always in contact with the conductive strip 42 in the vertical sliding process, so that the power supply is ensured, and the control of the on-off of the electromagnet 46 is realized by controlling the on-off of the conductive strip 42; thereby ensuring that the round shaft 26 is always connected with the gear 30 into a whole, judging the reset by the sensing position of the displacement sensor 19, powering off the electromagnet 46 to finish the adjustment, and realizing the one-time transverse reset movement of the sclerometer 14 by single shrinkage reset; after the electromagnet 46 is powered off, the magnetic attraction between the electromagnet 46 and the iron block 41 is released, and the electromagnet 46 automatically slides downwards under the action of gravity and moves to the bottom end of the vertical groove 40.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, and various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The computer case hardness detector is characterized by comprising a machine table (1) and a mounting frame (2) fixedly arranged at the top of the machine table (1);
the right side above the mounting frame (2) is fixedly provided with a longitudinal displacement mechanism, the longitudinal displacement mechanism is connected with a first plate body (7), the upper end of the first plate body (7) is fixedly provided with a connecting frame (12), the connecting frame (12) is fixedly provided with a vertical hydraulic cylinder (11), the bottom end of an output shaft of the hydraulic cylinder (11) is fixedly provided with a second plate body (10), and the second plate body (10) is positioned at the right side of the first plate body (7); the left side of the second plate body (10) is fixedly provided with a vertical sliding rail (8), the vertical sliding rail (8) is provided with a vertical sliding block (9) in a sliding manner, and the vertical sliding block (9) is fixedly connected with the right side wall of the first plate body (7);
the right side wall of the second plate body (10) is fixedly provided with a protective shell (13), a durometer (14) capable of transversely adjusting the position is arranged in the protective shell (13), a transverse groove (18) is formed in the bottom of the protective shell (13), and a bottom pressure head of the durometer (14) penetrates through the transverse groove (18);
the front of the protective shell (13) is provided with a groove body for observing the dial of the hardness tester (14); the machine table (1) is fixedly provided with a carrier plate (15).
2. The computer case hardness detector according to claim 1, wherein the longitudinal displacement mechanism comprises a servo motor (4), a screw rod (3) and a longitudinal sliding rail (5), the servo motor (4) and the longitudinal sliding rail (5) are fixedly installed on the installation frame (2), an output shaft end of the servo motor (4) is fixedly connected with one end of the screw rod (3), an end frame is rotatably installed at the other end of the screw rod (3), the end frame is fixedly installed on the right side wall of the installation frame (2), a nut (17) is installed on the screw rod (3) in a threaded mode, a longitudinal sliding block (6) is installed on the longitudinal sliding rail (5) in a sliding mode, and the longitudinal sliding block (6) and the nut (17) are fixedly installed on the left side wall of the first plate body (7).
3. The computer case hardness detector according to claim 1, wherein a connecting rod (20) is fixedly installed on the left side of a shell of the hardness tester (14), the connecting rod (20) is of an L-shaped structure, a transverse sliding block (22) is fixedly installed on the top end of the connecting rod (20), a transverse sliding rail (21) is fixedly installed on the inner wall of the top of the protective shell (13), and the transverse sliding block (22) is slidably installed with the transverse sliding rail (21).
4. A computer case hardness detector according to claim 3, characterized in that the inside of the protective housing (13) is provided with a first support frame (23), and the first support frame (23) is fixedly mounted on the right side wall of the second plate body (10), the driven wheel (24) is rotatably mounted at the upper end of the first support frame (23), two second support frames (25) are fixedly mounted on the left side wall of the second plate body (10), a circular shaft (26) is rotatably mounted between the two second support frames (25), a driving wheel (27) is fixedly sleeved on the circular shaft (26), a driving belt (28) is wound between the driving wheel (27) and the driven wheel (24), a through groove (29) is formed in the plate surface of the second plate body (10), and the driving belt (28) penetrates through the through groove (29).
5. The computer case hardness detector according to claim 4, wherein a connecting post (2801) is fixedly connected to the rear of the lower portion of the driving belt (28), and one end of the connecting post (2801) away from the driving belt (28) is fixedly connected to the connecting rod (20).
6. The computer case hardness detector according to claim 4, wherein a gear (30) is arranged on the circular shaft (26), a circular ring groove (33) is formed in the outer shaft wall of the circular shaft (26), and an inner ring of the gear (30) is in clearance fit connection with the circular ring groove (33); the gear (30) is connected with a rack (16) in a meshed mode, and the rack (16) is fixedly mounted on the right side wall of the first plate body (7).
7. The computer case hardness detector according to claim 6, wherein an end hole (32) is formed in the middle of the rear end of the circular shaft (26), a plurality of guide grooves distributed in an annular array are formed in the circular shaft (26) along the length direction of the circular groove (33), two ends of each guide groove are respectively communicated with the end hole (32) and the circular groove (33), a pressing block (37) is connected with the guide grooves in a clearance fit mode, an end portion of the pressing block (37) extending into the end hole (32) is fixedly provided with an end block (38), the end block (38) is fixedly provided with a second spring (39), and one end portion of the second spring (39) is fixedly mounted on the hole wall of the end hole (32).
8. The computer case hardness detector according to claim 7, wherein a circular truncated cone block (35) is arranged in the end hole (32), a connecting rod (34) is fixedly arranged in the middle of one end of the circular truncated cone block (35), the connecting rod (34) is connected with a guide hole (45) formed in the second supporting frame (25) in a clearance fit manner, the circular truncated cone block (35) is in a cylindrical structure near the connecting rod (34), the circular truncated cone block (35) is far away from the connecting rod (34) and is in a circular truncated cone structure, an inclined plane is formed in one end of the pressing block (37), and the inclined plane of the pressing block (37) is in contact with the side face of the circular truncated cone block (35).
9. The computer case hardness detector according to claim 8, wherein the connecting rod (34) is sleeved with a first spring (36), the first spring (36) is located inside the end hole (32), one end of the first spring (36) is fixedly connected with a rod surface of the connecting rod (34), and the other end of the first spring (36) is fixedly connected with a hole wall of the end hole (32); one end of the connecting rod (34) far away from the round table block (35) is rotatably provided with a connecting bar (31), one end of the connecting bar (31) far away from the connecting rod (34) is fixedly connected with an iron block (41), the back of the rack (16) is provided with a vertical groove (40) along the length direction, one end of the iron block (41) extends into the vertical groove (40), and the iron block (41) is in sliding connection with the vertical groove (40); the bottom department embedding of vertical groove (40) is provided with electro-magnet (46), spout (43) have all been seted up to the shell both sides of electro-magnet (46), fixed mounting has conductive contact (44) in spout (43), and conductive contact (44) are connected with electro-magnet (46) electricity, the both sides wall of vertical groove (40) all fixed mounting has conducting strip (42), conducting strip (42) with spout (43) sliding connection, conductive contact (44) with conducting strip (42) contact.
10. A computer case hardness detection method is characterized by comprising the following steps:
single detection
When in use, the external control device and the power supply power and provide electric control for the whole device; at the moment, the hydraulic cylinder (11) is in a contracted state, the sclerometer (14) is in a high position, a computer case to be detected is placed above the carrier plate (15), the longitudinal displacement mechanism is used for driving, the longitudinal position is adjusted, the sclerometer (14) is moved to the top of the computer case, when the longitudinal position is adjusted, the screw (3) is driven by the servo motor (4) to rotate, the screw (3) and the nut (17) are screwed, and the longitudinal driving is realized by matching with the longitudinal guiding action of the longitudinal sliding rail (5) and the longitudinal sliding block (6), so that the first plate body (7) and the structure arranged on the first plate body (7) move longitudinally together;
the hydraulic cylinder (11) stretches to enable the second plate body (10) to descend, when the second plate body (10) descends, the stability of vertical movement is improved through the guiding effect of the vertical sliding rail (8) and the vertical sliding block (9), when the second plate body (10) descends, the structure on the second plate body (10) comprises a sclerometer (14), the structure also vertically descends along with the second plate body (10), and after the pressure head contacts with a computer case, single detection is realized by observing the dial plate of the sclerometer (14);
multiple detection
In order to improve the hardness detection precision of a computer case, the hardness detection is carried out for a plurality of times, the hydraulic cylinder (11) is contracted to enable the hardness meter (14) to ascend and be separated from the computer case, then the hydraulic cylinder (11) is stretched, meanwhile, the electromagnet (46) is electrified, when the hydraulic cylinder (11) drives downwards, the iron block (41) is pressed onto the inner ring of the gear (30) through the second spring (39), friction clamping is provided, the round shaft (26) is connected with the gear (30) through the magnetic force action of the electromagnet (46) to enable the iron block (41) to move and abut against the electromagnet (46), after the iron block (41) moves, a connecting strip (31) connected with the iron block (41) moves together with a connecting rod (34), the connecting rod (34) moves to compress a first spring (36), meanwhile, the round platform block (35) is driven to move, the inclined surface of the pressing block (37) is extruded until the pressing block (37) is contacted with the cylindrical part of the round platform block (35), when the pressing block (37) is pressed onto the inner ring of the gear (30), the round shaft (26) is enabled to be connected with the gear (30) through the magnetic force, when the round shaft (30) moves downwards, the gear (30) continues to move together with the connecting strip (31), the round shaft (26) is driven to rotate together with the round shaft (24) through the driving belt, and the round shaft (24) is driven to rotate together, the connecting rod (20) is pulled through the connecting column (2801), so that the hardness meter (14) transversely moves, the position is adjusted, the pressure head position of the hardness meter (14) is sensed through the displacement sensor (19), after the hardness meter moves for 10mm, the electromagnet (46) is powered off, the magnetic attraction of the iron block (41) is stopped, the iron block (41), the connecting bar (31), the connecting rod (34) and the round table block (35) are reset through the compression elastic force driving of the first spring (36), the pressing block (37) is reset through the compression elastic force driving of the second spring (39), the pressing block (37) does not press the inner ring of the gear (30), the hydraulic cylinder (11) continuously moves downwards, and when the hardness meter is detected, the gear (30) walks and rotates on the rack (16), but does not drive the round shaft (26) to rotate, and secondary detection is realized;
through the operation, the hydraulic cylinder (11) contracts and extends, the electromagnet (46) is electrified and powered off to realize multiple detection, and the accuracy of hardness detection is improved through multiple detection at different positions by means of multiple groups of generated data; meanwhile, the transverse driving adjustment hardness meter (14) moves to different detection positions, the transverse driving adjustment is realized by driving by the hydraulic cylinder (11) only by switching on and off the electromagnet (46) and sensing displacement, and a transverse displacement component is not required to be designed for providing the transverse driving adjustment;
resetting
After the last detection, the hydraulic cylinder (11) is contracted and is electrified through the electromagnet (46) before moving to a high position, the iron block (41) is magnetically attracted, the round shaft (26) and the gear (30) are connected into a whole through the transmission function, the pressing block (37) is pressed against the inner ring of the gear (30), the gear (30) rotates along the rack (16) when the gear (30) vertically moves upwards, and meanwhile, the round shaft (26) rotates along with the gear, but the rotating direction is opposite to the detection multiple adjustment positions, and the durometer (14) is reset through the transmission of the driving wheel (27), the driven wheel (24) and the transmission belt (28); when the electromagnet moves upwards together, the iron block (41) is provided with the electromagnet (46) to slide upwards together, the electromagnet (46) slides upwards in the vertical groove (40), the conductive contact (44) is always in contact with the conductive strip (42) in the vertical sliding process of the electromagnet (46), power supply is ensured, and the control of the on-off of the electromagnet (46) is realized by controlling the on-off of the conductive strip (42); thereby ensuring that the round shaft (26) is always connected with the gear (30) into a whole, judging the reset position through the displacement sensor (19), powering off the electromagnet (46), completing the adjustment, and realizing the one-time transverse reset movement of the sclerometer (14) through single-time shrinkage reset; after the electromagnet (46) is powered off, the magnetic attraction between the electromagnet and the iron block (41) is released, and the electromagnet (46) automatically slides downwards under the action of gravity and moves to the bottom end of the vertical groove (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310848924.6A CN116754412A (en) | 2023-07-11 | 2023-07-11 | Computer case hardness detector and detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310848924.6A CN116754412A (en) | 2023-07-11 | 2023-07-11 | Computer case hardness detector and detection method |
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| Publication Number | Publication Date |
|---|---|
| CN116754412A true CN116754412A (en) | 2023-09-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310848924.6A Withdrawn CN116754412A (en) | 2023-07-11 | 2023-07-11 | Computer case hardness detector and detection method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990171A (en) * | 2023-09-28 | 2023-11-03 | 南京速鸿电子科技有限公司 | Multidirectional hardness testing device for display shell |
-
2023
- 2023-07-11 CN CN202310848924.6A patent/CN116754412A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116990171A (en) * | 2023-09-28 | 2023-11-03 | 南京速鸿电子科技有限公司 | Multidirectional hardness testing device for display shell |
| CN116990171B (en) * | 2023-09-28 | 2024-01-09 | 南京速鸿电子科技有限公司 | Multidirectional hardness testing device for display shell |
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