CN210375932U - Abrasion testing machine - Google Patents
Abrasion testing machine Download PDFInfo
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- CN210375932U CN210375932U CN201921133916.9U CN201921133916U CN210375932U CN 210375932 U CN210375932 U CN 210375932U CN 201921133916 U CN201921133916 U CN 201921133916U CN 210375932 U CN210375932 U CN 210375932U
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- scouring pad
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- workbench
- turntable
- proximity switch
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Abstract
The utility model discloses an abrasion testing machine, which comprises a workbench and a detection mechanism, wherein the workbench is provided with a turntable, the center of the upper end of the turntable is convexly provided with a mounting part for fixing scouring pad, the turntable is provided with a hollow pressure plate, the lower end of the turntable is connected with a motor, the lower end surface of the turntable is provided with a metal block, the position on the workbench corresponding to the metal block is provided with a proximity switch, and the proximity switch is connected with an automatic counting module; the detection mechanism comprises two detection arms, one end of each detection arm is hinged to the workbench through a first pin shaft, the other end of each detection arm is connected with a counterweight wheel and a grinding wheel, and the counterweight wheel and the grinding wheel are respectively arranged on two sides of the detection arm; during the test, rotate the detection arm and make emery wheel and the upper surface butt of scouring pad. The utility model discloses can pass through the installed part with the scouring pad and fix the center department at the carousel for the scouring pad rotates around the center under the drive of motor, rotates more steadily and avoids appearing the condition of rocking, improves and detects the precision.
Description
Technical Field
The utility model relates to a test equipment, especially an abrasion testing machine.
Background
The scouring pad comprises industrial scouring pad, civil scouring pad, sand-containing scouring pad, sand-free scouring pad and other products, and the products are widely used for decoration, metal polishing and daily washing, and are novel products with wide market application. One type of the conventional scouring pad is shown in fig. 1, the outline of the scouring pad is circular, and a through hole 2 is formed in the center of the scouring pad. After the production of the scouring pad, the scouring pad needs to be installed on an abrasion tester for abrasion test detection so as to judge whether the abrasion resistance of the scouring pad meets the use standard. However, the existing abrasion testing machine is inaccurate in central positioning, and the scouring pad is easy to deviate during rotation, so that the detection precision of the scouring pad is poor, and the scouring pad is inconvenient to detect.
SUMMERY OF THE UTILITY MODEL
The present invention aims to solve at least one of the above-mentioned technical problems in the related art to a certain extent. Therefore, the utility model provides an abrasion testing machine, this testing machine can pass through the installed part with the scouring pad and fix the center department at the carousel for the scouring pad is more steady when the pivoted, avoids appearing the condition of rocking, improves and detects the precision.
The utility model provides an abrasion testing machine, including workstation, carousel and detection mechanism, the carousel sets up on the workstation, the protruding installed part that is used for fixed scouring pad that is equipped with in the upper end center department of carousel, be provided with the cavity pressure disk on the carousel, the upper end of cavity pressure disk is rolled over and is formed the horizontal blank holder that covers the outer edge of scouring pad, the carousel lower extreme is connected with the motor through reduction gears, the lower terminal surface of carousel is provided with the metal block, the position that corresponds the metal block on the workstation is provided with proximity switch, proximity switch passes through the wire and connects automatic counting module; the detection mechanism comprises two detection arms and a counterweight wheel, one ends of the two detection arms are hinged to the workbench through first pin shafts, the other ends of the two detection arms are connected with the counterweight wheel and a grinding wheel, and the counterweight wheel and the grinding wheel are respectively arranged on two sides of the detection arms; during testing, the detection arm is rotated to enable the grinding wheel to be abutted against the upper surface of the scouring pad.
The abrasion tester at least has the following beneficial effects: the mounting piece is arranged at the center of the rotary table, the mounting piece can fix the scouring pad at the center of the rotary table, the horizontal pressing edge covers the outer edge of the scouring pad, and the outer edge of the scouring pad is fixed by matching with the upper surface of the rotary table according to the self weight; the scouring pad can rotate around the center under the driving of the motor, so that the scouring pad rotates more stably, the shaking condition is avoided, and the detection precision is improved; the abrasion tester can complete the function of automatically recording the number of turns of the turntable by the technology of the proximity switch, and the counting is accurate; the detection arm is hinged to the workbench, the grinding wheel is arranged at one end, away from the first pin shaft, of the detection arm, when a detection test is carried out, the detection arm is rotated to enable the grinding wheel to be in contact with the upper surface of the scouring pad, and under the action of gravity pressing of the counterweight wheel, the grinding wheel can be in close contact with the upper surface of the scouring pad in the process of abrading the scouring pad, so that the detection precision is further improved; through setting up two detection arms and two emery wheels, when carrying out the abrasion test, two emery wheels contact with two positions of the symmetry of the upper surface of scouring pad respectively, and scouring pad rotates the round, and the same position of the upper surface of scouring pad contacts with two emery wheels in proper order and wears, can further shorten the time of abrasion test. The utility model discloses structural design scientific and reasonable can pass through the installed part with the scouring pad and fix the center department at the carousel for the scouring pad rotates around the center under the drive of motor, rotates more steadily and avoids appearing the condition of rocking, improves and detects the precision.
An abrasion testing machine, the installed part is the cylinder, the diameter phase-match of columniform diameter and through-hole, columniform upper portion threaded connection has the piece that compresses tightly to fixed scouring pad.
An abrasion testing machine, the automatic counting module includes counter, power, display screen, the power is connected the counter, the counter is connected the display screen, the display screen inlays the dress and is in the surface of workstation.
According to an abrasion testing machine, automatic counting module still is equipped with a hand switch, hand switch is used for control the power.
According to an abrasion testing machine, the counter still electricity is connected with the controller, the controller with the driver electricity of motor is connected, in order to control opening of motor stops.
According to an abrasion testing machine, the metal block is for taking the magnetism metal block, proximity switch adopts hall proximity switch.
According to an abrasion testing machine, still be provided with the linking arm on the workstation, the one end of linking arm articulates through second round pin axle on the workstation, the middle part of linking arm is provided with and is used for holding the spacing hole of installed part, during the experiment, spacing hole with the upper portion cooperation of installed part.
According to an abrasion testing machine, two the detection arm sets up the left and right sides of linking arm, first round pin axle with second round pin axle parallel arrangement.
According to an abrasion testing machine, the carousel up end is fixed with the slipmat that is used for the frictional force of increase and scouring pad lower surface, the center department of slipmat is provided with and is used for avoiding the hole of installed part.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of a conventional construction of a scouring pad of the type;
fig. 2 is a schematic perspective view of an embodiment of an abrasion tester of the present invention;
fig. 3 is a schematic structural diagram of an embodiment of the abrasion tester of the present invention;
fig. 4 is a schematic structural diagram of a hollow platen according to an embodiment of the present invention;
fig. 5 is a schematic block diagram of an automatic counting module according to an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 5, an abrasion testing machine according to an embodiment of the present invention includes a workbench 100, a turntable 200 and a detection mechanism, wherein the turntable 200 is disposed on the workbench 100, a mounting member 210 for fixing a scouring pad 600 is convexly disposed at a center of an upper end of the turntable 200, the turntable 200 is provided with a hollow pressure plate 240, an upper end of the hollow pressure plate 240 is turned over to form a horizontal edge 241 covering an outer edge of the scouring pad 600, a lower end of the turntable 200 is connected to a motor 800 through a speed reduction mechanism, the motor 800 drives the turntable 200 to rotate around the center, a metal block 220 is disposed on a lower end surface of the turntable 200, a proximity switch 300 is disposed on the workbench 100 corresponding to the metal block 220, and the proximity switch 300 is connected to an automatic counting module through a wire; the detection mechanism comprises a detection arm 410 and a counterweight wheel 420, one end of the detection arm 410 is hinged on the workbench 100 through a first pin shaft 430, the other end of the detection arm is connected with the counterweight wheel 420 and a grinding wheel 450, and the counterweight wheel 420 and the grinding wheel 450 are respectively arranged on two sides of the detection arm 410; during the test, the detection arm 410 is rotated to make the grinding wheel 450 rotate to abut against the upper surface of the scouring pad 600. Compared with the prior art, the embodiment of the present invention is provided with the mounting member 210 at the center of the turntable 200, the mounting member 210 can fix the scouring pad 600 at the center of the turntable 200, the horizontal pressing edge 241 covers the outer edge of the scouring pad 600, and the outer edge of the scouring pad 600 is fixed by matching with the upper surface of the turntable 200 according to the self-weight; the scouring pad 600 can rotate around the center along with the turntable 200 under the driving of the motor 800, so that the scouring pad 600 rotates more stably, the shaking condition can be avoided, and the detection precision is improved; the abrasion tester can complete the function of automatically recording the number of turns of the turntable 200 by the technology of the proximity switch 300, and the counting is accurate; the detection arm 410 is hinged to the workbench 100, the grinding wheel 450 is arranged at one end, away from the first pin shaft 430, of the detection arm 410, when a detection test is carried out, the detection arm 410 is rotated to enable the grinding wheel 450 to be in contact with the upper surface of the scouring pad 600, and under the downward pressing effect of the gravity of the counterweight wheel 420, the grinding wheel 450 can be in close contact with the upper surface of the scouring pad 600 in the process of abrading the scouring pad 600, so that the detection precision is further improved; by arranging the two detection arms 410 and the two grinding wheels 450, when the abrasion test is performed, the two grinding wheels 450 are respectively contacted with two symmetrical positions of the upper surface of the scouring pad 600, the scouring pad 600 rotates for one circle, and the same position of the upper surface of the scouring pad 600 is sequentially contacted with the two grinding wheels 450 for abrasion, so that the time of the abrasion test can be further shortened. The utility model discloses structural design scientific and reasonable can pass through installed part 210 with scouring pad 600 and fix in the center department of carousel 200 for scouring pad 600 rotates around the center under motor 800's drive, rotates more steadily and avoids appearing the condition of rocking, improves and detects the precision. Specifically, the turntable 200 is a disk, the diameter of the disk is larger than that of the scouring pad 600, the lower end of the disk is connected with the motor 800 through the gear reduction assembly, so that the scouring pad 600 is fixed on the mounting part 210, the grinding wheel 450 is contacted with the upper surface of the scouring pad 600 through the detection arm 410, and the abrasion process can be started by driving the disk to rotate through the motor 800. Further, in order to enable the grinding wheel 450 to rotate around the axis along with the rotation of the scouring pad 600 on the turntable 200 in the test process, so that the simulated abrasion test effect is closer to the actual use effect, the detection precision is higher, and the service life of the grinding wheel 450 is prolonged, the rotating shaft 440 is arranged at one end of the detection arm 410 away from the first pin shaft 430, the grinding wheel 450 is arranged at one end of the rotating shaft 440 close to the mounting part 210, and the axis of the rotating shaft 440 is perpendicular to the axis of the turntable 200.
In some embodiments, it is preferable that the mounting member 210 is a cylinder, the diameter of the cylinder matches the diameter of the through hole 2, and the upper portion of the cylinder is screwed with the pressing member 500. Insert through-hole 2 alignment installed part 210, can fix scouring pad 600 interference fit on installed part 210, in order to improve scouring pad 600 and installed part 210's fixity, avoid in the abrasion test process, scouring pad 600 reciprocates along installed part 210, and the influence detects the precision, and installed part 210 upper portion is provided with the external screw thread, and is corresponding, compresses tightly and is provided with the internal thread in 500, compresses tightly and connects screw in installed part 210 upper portion, can push down fixed scouring pad 600. In other embodiments, a clamping head may also be provided on the mounting member 210, by which the scouring pad 600 is secured to the mounting member 210.
As shown in fig. 2 and 5, the automatic counting module includes a counter 710, a power supply 720, and a display screen 730, wherein the power supply 720 is connected to the counter 710, and the counter 710 is connected to the display screen 730. The power supply 720 supplies power to the counter 710 and the display screen 730, and the counter 710 records the number of revolutions of the turntable 200 and displays the recorded number of revolutions on the display screen 730. In order to facilitate the operator to observe the display screen 730 and make the utility model discloses an overall structure is more miniaturized, will the display screen 730 inlays the dress and is in the surface of workstation 100 forms an organic whole.
In some embodiments, it is preferable that the automatic counting module further comprises a manual switch 740, and the manual switch 740 is used for controlling the power supply 720. This is provided by manually controlling the manual switch 740 to turn off the power supply 720 when the counter 710 function is not required by the operator.
As shown in fig. 5, in some embodiments, it is preferable that the counter 710 is further electrically connected to a controller 750, and the controller 750 is electrically connected to a driver of the motor 800 to control on/off of the motor 800. The controller 750 can preset the parameter of the number of turns of the turntable 200, the counter 710 records the number of turns of the turntable 200 and transmits a signal to the controller 750, and when the number of turns recorded by the counter 710 reaches a predetermined value, the controller 750 controls the motor 800 to stop rotating, that is, the motor 800 is automatically powered off to complete a wear test.
Preferably, the metal block 220 is a metal block with magnetism, and the proximity switch 300 is a hall proximity switch. The hall proximity switch is one of the proximity switches 300, and the principle thereof is that when a magnetic object moves close to the hall proximity switch, the hall element on the switch detection surface changes the state of the internal circuit of the switch due to the hall effect, so that the existence of a magnetic object nearby is identified, and the on or off of the switch is controlled. The advantages of hall proximity switches are high reliability and long life.
Preferably, a connecting arm 460 is further disposed on the workbench 100, one end of the connecting arm 460 is hinged to the workbench 100 through a second pin, and the other end of the connecting arm is provided with a limiting hole 461 matched with the mounting part 210. When carrying out the abrasion test like this, fix scouring pad 600 on installation part 210, through detection arm 410 with emery wheel 450 and scouring pad 600's upper surface contact, rotate linking arm 460 again, with spacing hole 461 on linking arm 460 and the cooperation of the upper portion of installation part 210, spacing hole 461 can be spacing to installing part 210, can restrict the rotation center deviation error of carousel 200 and be in the allowed range, installation part 210 is accurate to the central positioning of scouring pad 600, difficult off tracking when scouring pad 600 rotates to improve scouring pad 600 and detect the precision.
As shown in fig. 2 and 3, preferably, two detection arms 410 are disposed on the left and right sides of the connecting arm 460, the first pin shaft 430 and the second pin shaft are disposed in parallel, and the two detection arms 410 and the connecting arm 460 are disposed on the same side of the workbench 100, so that the overall structure is more compact, the operation space is larger, and an operator can conveniently take and place the scouring pad 600 on the premise of meeting the test requirements.
In other embodiments, as shown in fig. 3, preferably, a non-slip pad 250 for increasing friction with the lower surface of the scouring pad 600 is fixed to the upper end surface of the rotating plate 200, and a hole for avoiding the mounting part 210 is formed at the center of the non-slip pad 250. By means of the arrangement, when the abrasion test is performed, the upper end face of the anti-slip pad 250 is in contact with the lower surface of the scouring pad 600, and the friction force between the upper end face of the anti-slip pad 250 and the lower surface of the scouring pad 600 is large, so that when the scouring pad 600 is driven by the motor 800 to rotate and is in contact with the grinding wheel 450 to perform the abrasion test, the scouring pad 600 rotates relatively to the mounting piece 210, and further the detection result is inaccurate.
When the multifunctional washing machine is used, the scouring pad 600 is inserted into the mounting part 210, the hollow pressure plate 240 is pressed on the scouring pad 600, the outer edge of the scouring pad 600 is fixed, the pressing part 500 is screwed into the upper part of the mounting part 210, the middle part of the scouring pad 600 is fixed, the detection arm 410 is manually rotated, the grinding wheel 450 is in contact with the upper surface of the scouring pad 600 under the gravity of the counterweight wheel 420, the connecting arm 460 is rotated, the limiting hole 461 is matched with the upper part of the mounting part 210, the motor 800 drives the rotary disc 200 to rotate, the Hall proximity switch senses that the magnetic metal block approaches and automatically closes once when the magnetic metal block on the rotary disc 200 rotates once every time and approaches the Hall proximity switch, the circuit is communicated at the moment, and the counter 710 automatically counts once when the manual switch 740 is in a default closing state. When the turntable 200 rotates for multiple turns, the hall proximity switch is turned on for multiple times, the counter 710 accumulates the count for multiple times, if the controller 750 presets a turn number value, and the counter 710 accumulates to a preset value, the controller 750 controls the motor 800 to stop rotating, and then the abrasion test can be completed.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. An abrasion tester, characterized in that: the automatic counting machine comprises a workbench (100), a rotary table (200) and a detection mechanism, wherein the rotary table (200) is arranged on the workbench (100), a mounting piece (210) for fixing scouring pad is convexly arranged at the center of the upper end of the rotary table (200), a hollow pressure plate (240) is arranged on the rotary table (200), the upper end of the hollow pressure plate (240) is turned over to form a horizontal edge pressing (241) covering the outer edge of the scouring pad, the lower end of the rotary table (200) is connected with a motor (800) through a speed reduction mechanism, a metal block (220) is arranged on the lower end face of the rotary table (200), a proximity switch (300) is arranged on the workbench (100) corresponding to the metal block (220), and the proximity switch (300) is connected with an automatic counting module through a wire; the detection mechanism comprises two detection arms (410) and a counterweight wheel (420), one ends of the two detection arms (410) are hinged to the workbench (100) through a first pin shaft (430), the other ends of the two detection arms are connected with the counterweight wheel (420) and a grinding wheel (450), and the counterweight wheel (420) and the grinding wheel (450) are respectively arranged on two sides of the detection arms (410); during testing, the detection arm (410) is rotated to enable the grinding wheel (450) to be abutted with the upper surface of the scouring pad.
2. An abrasion tester according to claim 1, wherein: the installed part (210) is a cylinder, the diameter of the cylinder is matched with that of the through hole (2), and the upper part of the cylinder is in threaded connection with a pressing part (500) to fix the scouring pad.
3. An abrasion tester according to claim 1 or 2, wherein: the automatic counting module comprises a counter (710), a power supply (720) and a display screen (730), wherein the power supply (720) is connected with the counter (710), the counter (710) is connected with the display screen (730), and the display screen (730) is embedded on the surface of the workbench (100).
4. A wear tester in accordance with claim 3, wherein: the automatic counting module is also provided with a manual switch (740), and the manual switch (740) is used for controlling the power supply (720).
5. A wear tester in accordance with claim 3, wherein: the counter (710) is also electrically connected with a controller (750), and the controller (750) is electrically connected with a driver of the motor (800) to control the starting and stopping of the motor (800).
6. An abrasion tester according to claim 1, wherein: the metal block (220) is a metal block with magnetism, and the proximity switch (300) adopts a Hall proximity switch.
7. An abrasion tester according to claim 1, wherein: still be provided with linking arm (460) on workstation (100), the one end of linking arm (460) articulates through second round pin axle on workstation (100), the middle part of linking arm (460) is provided with and is used for holding spacing hole (461) of installed part (210), during the experiment, spacing hole (461) with the upper portion cooperation of installed part (210).
8. An abrasion tester according to claim 7, wherein: the two detection arms (410) are arranged on the left side and the right side of the connecting arm (460), and the first pin shaft (430) and the second pin shaft are arranged in parallel.
9. An abrasion tester according to claim 1, wherein: the upper end face of the rotary disc (200) is fixedly provided with a non-slip mat (250) used for increasing the friction force with the lower surface of the scouring pad, and the center of the non-slip mat (250) is provided with a hole used for avoiding the mounting piece (210).
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CN201921133916.9U CN210375932U (en) | 2019-07-18 | 2019-07-18 | Abrasion testing machine |
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CN201921133916.9U CN210375932U (en) | 2019-07-18 | 2019-07-18 | Abrasion testing machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114755128A (en) * | 2022-02-24 | 2022-07-15 | 上海建科检验有限公司 | Light-sensitive self-stop Talbot testing machine and using method thereof |
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2019
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114755128A (en) * | 2022-02-24 | 2022-07-15 | 上海建科检验有限公司 | Light-sensitive self-stop Talbot testing machine and using method thereof |
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