CN116929949A - Dental material strength test equipment - Google Patents
Dental material strength test equipment Download PDFInfo
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- CN116929949A CN116929949A CN202311202536.7A CN202311202536A CN116929949A CN 116929949 A CN116929949 A CN 116929949A CN 202311202536 A CN202311202536 A CN 202311202536A CN 116929949 A CN116929949 A CN 116929949A
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- plate
- portal frame
- fixedly connected
- dental material
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- 238000012360 testing method Methods 0.000 title claims abstract description 124
- 239000005548 dental material Substances 0.000 title claims abstract description 50
- 239000000463 material Substances 0.000 claims abstract description 25
- 230000001360 synchronised effect Effects 0.000 claims description 16
- 206010044048 Tooth missing Diseases 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 14
- 239000002245 particle Substances 0.000 abstract description 7
- 238000007790 scraping Methods 0.000 description 28
- 229910052602 gypsum Inorganic materials 0.000 description 18
- 239000010440 gypsum Substances 0.000 description 18
- 210000003128 head Anatomy 0.000 description 18
- 230000000670 limiting effect Effects 0.000 description 11
- 230000002457 bidirectional effect Effects 0.000 description 8
- 239000011505 plaster Substances 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004154 testing of material Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 210000004513 dentition Anatomy 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 230000036346 tooth eruption Effects 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
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0001—Type of application of the stress
- G01N2203/0003—Steady
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The utility model provides a dental material strength testing device. A dental material strength testing apparatus comprising: intensity testing machine, base, brace table, test bench, two guide pillars, slide, shi Yatou, portal frame one and hydro-cylinder, the base with the bottom fixed connection of brace table, two the guide pillar with the equal fixed mounting of portal frame one is in intensity testing machine's top, slide slidable mounting is two on the guide pillar, hydro-cylinder fixed mounting is in the top of portal frame one, just the output shaft of hydro-cylinder runs through the portal frame together with slide fixed connection, one side of portal frame one is equipped with two spill framves, two all rotate in the spill frame and install two-way lead screw. The dental material strength testing equipment provided by the utility model has the advantages of being capable of conveniently cleaning tested materials and broken particles and improving cleaning efficiency.
Description
Technical Field
The utility model relates to the technical field of dental material testing, in particular to dental material strength testing equipment.
Background
The dental material is one of biomedical materials, is used for repairing defective teeth or replacing defective or missing dentition to restore the anatomical form, function and beauty, and also comprises various materials used in oral cavity preventive care and correction of deformity, etc., while the dental plaster is one of the materials, and is mainly used for making dental molds, retention models, crowns, bridges, false teeth, etc., and in the using process of the dental plaster, the dental plaster is generally subjected to strength test by using test equipment such as a compressive strength tester, a tensile tester, etc., thereby ensuring that the dental plaster can be normally used in dental treatment.
For example, in the patent document with the authority of CN218726078U, a dental material strength testing device is proposed, which relates to the technical field of dental material testing, and the key points of the technical scheme are as follows: including the bottom plate, the fixed frame that two symmetries set up is offered at the top fixed mounting of bottom plate, the hollow groove has been seted up in the outside of two fixed frames, the top fixed mounting of fixed frame has the motor, the lead screw is installed to the output of motor, the outside swing joint of lead screw has the slider, the slider extends outside fixed frame and the hollow groove, and its bottom surface installs the test head, the bottom of one side of fixed frame corresponds the fixed station in the position fixed mounting with the test head, the top swing joint of fixed station has the movable table that is used for placing dental material, adopt threaded connection's mode between test head and the testlever, and then conveniently change the test head of different styles, adopt electromagnetic fixation's mode between movable table and the fixed table simultaneously, can change the movable table of different styles in step, and then make this equipment can carry out the test operation of different styles.
However, most compressive strength testers including the above-mentioned utility model find that, since gypsum materials generate more granular or flaky or block impurities in the compressive strength test, most of the impurities stay on the test stand directly, and a part of gypsum is tightly adhered to the test stand, when the dental gypsum is tested once, the crushed particles and the gypsum tightly adhered to the crushed particles are manually cleaned, on one hand, the crushed particles are manually cleaned by using a tool, and on the other hand, the tested materials are manually cleaned, and then the tested materials are cleaned a little after the crushed particles are cleaned, so that the disposable continuous cleaning cannot be formed, and the cleaning efficiency is low.
Therefore, there is a need to provide a dental material strength testing apparatus that solves the above-mentioned technical problems.
Disclosure of Invention
The technical problem solved by the utility model is to provide the dental material strength testing equipment which can conveniently clean the tested materials and the broken particles and can improve the cleaning efficiency.
In order to solve the above technical problems, the dental material strength testing apparatus provided by the present utility model includes: intensity testing machine, base, brace table, test bench, two guide posts, slide, shi Yatou, first portal frame and hydro-cylinder, the base with the bottom fixed connection of brace table, two the guide post with first portal frame is equal fixed mounting be in the top of intensity testing machine, slide slidable mounting is two on the guide post, hydro-cylinder fixed mounting is in the top of first portal frame, just the output shaft of hydro-cylinder runs through the portal frame together with slide fixed connection, one side of first portal frame is equipped with two concave frames, two all rotate in the concave frame and install bi-directional lead screw, two equal screw thread installs slider one and slider two on the bi-directional lead screw, two fixed mounting has one on the slider one scrape the strip down, go up scrape the strip down and scrape the strip and all be in test bench and the centre position of pressure applying head, two fixed mounting has one on the concave frame link up the piece, and one of them concave motor's top together with slide fixed connection has two synchronous pulley, one is equipped with two corresponding to the synchronous pulley, one side of the synchronous pulley is equipped with the synchronous pulley, and the synchronous pulley is equipped with two in the synchronous pulley.
Preferably, the base is fixedly connected with the strength testing machine, and the supporting table is fixedly connected with the testing table.
Preferably, a transverse plate is fixedly arranged on one side of the first portal frame, a first box body is fixedly arranged at the bottom of the transverse plate, a first unidirectional screw rod is rotatably arranged in the first box body, a first linkage plate is arranged on the first unidirectional screw rod in a threaded mode, a first pull rod is fixedly arranged on one side of the first linkage plate, which is close to the first portal frame, one end of the first pull rod is fixedly connected with the connecting piece, a second motor is fixedly arranged on the outer wall of one side of the first box body, and an output shaft of the second motor is fixedly connected with one end of the first unidirectional screw rod.
Preferably, a transverse table is fixedly arranged on one side of the first portal frame, an internal thread pipe is rotatably arranged on the transverse table, a one-way screw rod II is arranged in the internal thread pipe in a threaded manner, a bearing plate is fixedly arranged at the bottom end of the one-way screw rod II, a rodless cylinder is fixedly arranged at the bottom of the bearing plate, a movable block is fixedly arranged on a sliding block of the rodless cylinder, a connecting frame is fixedly arranged at the bottom of the movable block, and inner walls on two sides of the connecting frame are fixedly connected with two sides of the containing box respectively.
Preferably, the splendid attire box is close to one side fixed mounting of brace table has the direction swash plate, just the direction swash plate with test bench looks adaptation, the pull box is located one side fixed mounting outside the splendid attire box has the arm-tie, the arm-tie with one side that splendid attire box is close to each other all fixed mounting has magnet, two magnet looks magnetism is inhaled.
Preferably, the top fixed mounting of horizontal platform has motor three, motor three's output shaft with all fixed cover is equipped with the umbrella tooth on the internal thread pipe, two the umbrella teeth mesh mutually, the bottom fixed mounting of loading board has the bearing rod, the bearing rod runs through the movable block and with movable block sliding connection.
Preferably, the base is separated from the strength testing machine, the supporting table is separated from the testing table, a second box body is fixedly arranged on one side of the strength testing machine, a third unidirectional screw is rotatably arranged on one side of the second box body, a second linkage plate is arranged on the third unidirectional screw in a threaded mode, a second pulling rod is fixedly arranged on one side of the second linkage plate, one end of the second pulling rod is fixedly connected with the base, a slot is formed in the top of the supporting table, a socket is arranged in the slot, the top of the socket is fixedly connected with the testing table, a fourth motor is fixedly arranged on the outer wall of one side of the second box body, and an output shaft of the fourth motor is fixedly connected with one end of the third unidirectional screw.
Preferably, the caulking groove has all been seted up to the both sides of socket, the passageway has all been seted up to the both sides of brace table, two equal slidable mounting has the fixture block in the passageway, two one side that the fixture block is close to each other all extends to corresponding in the caulking groove, equal fixed mounting in both sides of brace table has mounting bracket one, two equal slidable mounting has the guide bar on the mounting bracket one, two the one end that the guide bar is close to each other all with corresponding fixture block fixed connection, and two all overlaps on the guide bar and is equipped with spring one, two one end that the spring is close to each other all with corresponding fixture block fixed connection, two one end that the spring is kept away from each other all with corresponding mounting bracket one fixed connection, two triangular groove has all been seted up to the bottom of fixture block, logical inslot sliding mounting has the holding down plate, two roof fixed mounting has, two roof's top all extends to corresponding in the triangular groove, just roof and logical roof with two the inner wall sliding connection's two the bottom of roof, two the bottom of having three hypotenuses all is connected with the bottom of three roof, two hypotenuses all is connected with the bottom of the triangle groove, and the bottom is all suitable for the top of three roof is all connected.
Preferably, the both sides of portal frame one all are equipped with the baffle, the baffle is transparent plastics material and makes, the top fixed mounting of portal frame one has portal frame two, fixed mounting has two stands on the top inner wall of portal frame two, two the bottom of stand all with a fixed connection of portal frame, two slidable mounting has same bridging plate on the stand, the hydro-cylinder runs through bridging plate and with bridging plate swing joint, two the top of baffle all with bridging plate fixed connection, just shuttle mouthful has all been seted up on diaphragm and the horizontal table, two shuttle mouthful respectively with two baffle looks adaptation.
Preferably, the constant head tank has all been seted up to the both sides of the butt strap, equal fixed mounting has the spill pole on the both sides outer wall of portal frame two, two equal slidable mounting has the side frame board on the spill pole, two equal fixed mounting in one side that the side frame board is close to each other has two locating levers, and four the locating lever all runs through portal frame two and with portal frame two sliding connection, two that are located the below the one end that the locating lever is close to each other all extends to corresponding in the constant head tank, the top fixed mounting of portal frame two has mounting bracket two, fixed mounting has the backplate on the top inner wall of mounting bracket two, rotate on the backplate and install the pivot, fixed cover is equipped with and lacks tooth wheel in the pivot, the both sides of mounting bracket two equal slidable mounting has tooth strip, two tooth strip all with the top fixed connection of corresponding side frame board, and two tooth strip all with lack tooth wheel looks meshing, one side fixed mounting of backplate has motor five, motor five's output shaft and the one end that is close to each other is connected to each other in the recess board, two corresponding to the three fixed connection of side frame board have two corresponding to the pivot, two corresponding three fixed connection.
Compared with the related art, the dental material strength testing equipment provided by the utility model has the following beneficial effects:
the utility model provides a dental material strength test device, which can scrape broken objects on a test bed and gypsum attachments on a pressing head at one time through the upper scraping bar and the lower scraping bar, and scrape the broken objects and the gypsum attachments into a drawing box under the operation of a motor II, so that the purposes of one-time cleaning and centralized collection are realized, the cleaning efficiency is greatly improved, the labor burden of workers is reduced, and the holding box can be lifted to a high position with the drawing box through the threaded cooperation between an internal threaded pipe and a unidirectional screw rod II, so that the gypsum materials are not prevented from being put on the test bed for strength test.
Drawings
FIG. 1 is a schematic front view of a first embodiment of a dental material strength testing apparatus provided by the present utility model;
FIG. 2 is a schematic rear view of a first embodiment of a dental material strength test apparatus according to the present utility model;
FIG. 3 is a schematic view of the structure of a body of a dental material strength testing apparatus according to a first embodiment of the present utility model;
FIG. 4 is a schematic view showing a bottom view connection structure of a first case and two concave frames in a first embodiment of a dental material strength testing apparatus according to the present utility model;
FIG. 5 is a schematic view showing the internal structure of two concave frames in a first embodiment of the dental material strength testing apparatus according to the present utility model;
FIG. 6 is a schematic view showing a connection structure of a transverse table, a carrying plate and a containing box in a first embodiment of the dental material strength testing apparatus according to the present utility model;
fig. 7 is a schematic diagram of a connection structure between a carrier plate and a rodless cylinder in a first embodiment of the dental material strength testing apparatus provided by the present utility model;
FIG. 8 is a schematic front view of a dental material strength test apparatus according to a second embodiment of the present utility model;
FIG. 9 is a schematic rear view of a second embodiment of a dental material strength test apparatus provided by the present utility model;
FIG. 10 is a schematic view of a connection structure between a second case and a base in a second embodiment of the dental material strength testing apparatus according to the present utility model;
FIG. 11 is a schematic diagram showing a cross-sectional connection structure of a base, a support table and a test table in a second embodiment of the dental material strength test apparatus according to the present utility model;
fig. 12 is an enlarged schematic view of the portion a shown in fig. 11;
FIG. 13 is a schematic front view of a third embodiment of a dental material strength test apparatus according to the present utility model;
FIG. 14 is a schematic view showing the working states of two baffles in a third embodiment of the dental material strength testing apparatus according to the present utility model;
FIG. 15 is a schematic view of a connection structure of a second portal frame, a bridge plate and two baffles in a third embodiment of the dental material strength testing apparatus of the present utility model;
fig. 16 is an enlarged schematic view of the portion B shown in fig. 15;
FIG. 17 is a schematic view of a rear view connection structure of a second portal frame and a second mounting frame in a third embodiment of the dental material strength testing apparatus according to the present utility model;
fig. 18 is a schematic view showing a connection structure of a bridge plate and two baffles in a third embodiment of the dental material strength testing apparatus according to the present utility model.
Reference numerals in the drawings: 1. a strength tester; 2. a base; 3. a support table; 4. a test bed; 5. a guide post; 6. a slide; 7. shi Yatou; 8. an oil cylinder; 9. a concave frame; 10. a bidirectional screw rod; 11. a first sliding block; 12. the upper scraping strip; 13. a second slide block; 14. a lower scraping strip; 15. a connecting piece; 16. a cross plate; 17. a first box body; 18. one-way screw rod I; 19. a first linkage plate; 20. pulling a first connecting rod; 21. a holding box; 22. drawing the box; 23. a transverse table; 24. an internally threaded tube; 25. a one-way screw rod II; 26. a carrying plate; 27. a rodless cylinder; 28. a connecting frame; 29. a second box body; 30. a one-way screw rod III; 31. a second linkage plate; 32. pulling a second connecting rod; 33. a slot; 34. a socket; 35. a caulking groove; 36. a channel; 37. a clamping block; 38. a first mounting frame; 39. a guide rod; 40. a first spring; 41. triangular grooves; 42. a through groove; 43. a lower pressing plate; 44. a top plate; 45. a second spring; 46. a portal frame I; 47. a portal frame II; 48. a column; 49. a bridging plate; 50. a baffle; 51. a positioning groove; 52. a concave bar; 53. a side frame plate; 54. a positioning rod; 55. a second mounting frame; 56. tooth-missing gears; 57. tooth strips; 58. a retention plate; 59. and a third spring.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
First embodiment:
referring to fig. 1 to 7 in combination, in a first embodiment of the present utility model, a dental material strength testing apparatus includes: the intensity testing machine 1 with model number YY0462-2003, the base 2, the supporting table 3, the test table 4, two guide posts 5, the sliding seat 6, the pressing head 7, the first portal frame 46 and the oil cylinder 8, the base 2 is fixedly connected with the bottom of the supporting table 3, the two guide posts 5 and the first portal frame 46 are both fixed on the top of the intensity testing machine 1, the sliding seat 6 is slidingly arranged on the two guide posts 5, the oil cylinder 8 is fixed on the top of the first portal frame 46, the output shaft of the oil cylinder 8 penetrates through the first portal frame 46 and is fixedly connected with the sliding seat 6, two concave frames 9 are arranged on one side of the first portal frame 46, the two concave frames 9 are connected through a connecting piece 15, a bidirectional lead screw 10 is rotatably arranged in the two concave frames 9, a first slider 11 and a second slider 13 are respectively arranged on the two bidirectional lead screws 10 in a threaded manner, the same upper scraping bar 12 is fixed on the two sliders 11, the same lower scraping bar 14 is fixed on the two sliders 13, the upper scraping strip 12 and the lower scraping strip 14 are positioned at the right middle position of the test bed 4 and the pressure applying head 7, the gypsum attachments on the test bed 4 and the pressure applying head 7 can be scraped once by utilizing the design of the upper scraping strip and the lower scraping strip, so that the cleaning efficiency is greatly improved, in order to ensure that the upper scraping strip 12 is contacted with the bottom end surface of the pressure applying head 7, and the lower scraping strip 14 is contacted with the top end surface of the test bed 4, a limiting piece is fixed in one concave frame 9, the corresponding bidirectional screw 10 penetrates through the limiting piece and is movably connected with the limiting piece, thus the limiting effect can be achieved on the first sliding block 11, the lifting height of the sliding block is limited, meanwhile, the descending height of the second sliding block 13 is correspondingly limited, in addition, the top of one concave frame 9 is fixedly provided with a first motor, and the output shaft of the motor is fixedly connected with the top end of the corresponding bidirectional screw 10, and two bi-directional lead screws 10 form synchronous transmission through two synchronizing wheels and a synchronous belt, and a containing box 21 is arranged on the strength testing machine 1, a drawing box 22 is slidably arranged in the containing box, and one side of the drawing box 22 extends out of the containing box 21, so that cleaned materials can be collected in a concentrated mode.
In the above embodiment, the base 2 is fixedly connected to the strength tester 1, and the support stand 3 is fixedly connected to the test stand 4.
In this mode, in order to carry the upper scraping bar 12 and the lower scraping bar 14 to move horizontally for cleaning purposes, a transverse plate 16 is fixed on one side of a first portal frame 46, a first box body 17 is fixed at the bottom of the transverse plate 16, a first unidirectional screw 18 is rotatably mounted on the transverse plate, a first linkage plate 19 is mounted on the first unidirectional screw 18 in a threaded manner, a first limit rod is fixed in the first box body 17 and penetrates through the first linkage plate 19 and is in sliding connection with the first linkage plate, a first pull rod 20 is fixed on one side, close to the first portal frame 46, of the first linkage plate 19, one end of the first pull rod is fixedly connected with a connecting piece 15, a second motor is fixed on the outer wall of one side of the first box body 17, and an output shaft of the second motor is fixedly connected with one end of the first unidirectional screw 18.
In this mode, in order to bring the holding box 21 to the high place, so as to facilitate people to put gypsum materials, and the subsequent clearance to the materials, a transverse table 23 is fixed on one side of a portal frame I46, an internally threaded pipe 24 is rotatably installed on the transverse table, a unidirectional lead screw II 25 is installed on the internally threaded pipe 24 in an internally threaded manner, a bearing plate 26 is fixed on the bottom end of the unidirectional lead screw II 25, a rodless cylinder 27 is fixed on the bottom of the bearing plate 26, a movable block is fixed on a sliding block of the bearing plate, a connecting frame 28 is fixed on the bottom of the movable block, two side inner walls of the connecting frame 28 are respectively fixedly connected with two sides of the holding box 21, meanwhile, a supporting plate is fixed on the top end of the unidirectional lead screw II 25, a limiting rod II is fixedly arranged on the supporting plate, the bottom end of the limiting rod II is fixedly connected with the bearing plate 26, a motor III is fixedly arranged on the top of the transverse table 23, an output shaft of the bearing shaft of the transverse table and the internally threaded pipe 24 are fixedly sleeved with umbrella teeth, the two umbrella teeth are meshed with each other, and thus the holding box 21 can be lifted up to the designated position by starting the motor III, and finally, the lifting weight can be reduced to the designated position of the bearing plate 26 is freely, and the bearing plate is fixedly connected with the bearing plate.
In this mode, in order to be able to introduce the scraped material smoothly into the drawing box 22, a guiding inclined plate is fixed on one side of the holding box 21 close to the supporting table 3, and the guiding inclined plate is matched with the test table 4, a drawing plate is fixed on one side of the drawing box 22 outside the holding box 21, magnets are fixed on one sides of the drawing plate and the holding box 21 close to each other, the two magnets are magnetically attracted, and the drawing box 22 can stay in the holding box 21 stably by utilizing the magnetic attraction, and the drawing box 22 is pulled out only by forcefully.
In the present embodiment
The strength testing machine 1 is matched with an external computer for use, so that a tested result can be displayed on a display screen;
when the dental gypsum is detected, firstly, gypsum materials are placed on the test stand 4, and then, the output shaft of the oil cylinder 8 is started to extend out, so that corresponding tests can be carried out;
after the test is finished, in order to accelerate the cleaning efficiency of the broken objects on the test bed 4 and the gypsum attached to the pressing head 7, the motor I can be directly started in the forward direction, the output shaft of the motor I can drive the corresponding bidirectional screw rod 10 to rotate, simultaneously, the two bidirectional screw rods 10 simultaneously rotate under the transmission of the synchronous wheel and the synchronous belt, at the moment, the corresponding sliding block I11 and the sliding block II 13 form relative movement through the threaded fit between the bidirectional screw rod 10 and the sliding block I11 and the sliding block II 13, so that the upper scraping bar 12 and the lower scraping bar 14 can be carried to move together, at the moment, the upper scraping bar 12 and the lower scraping bar 14 are mutually far away, until the sliding block I11 moves to be contacted with the limiting piece, the motor I is closed, at this time, the top of the upper scraping bar 12 is flush with the bottom end face of the pressure applying head 7, the bottom of the lower scraping bar 14 is flush with the top end face of the test bed 4, then the motor II is started in the forward direction, the output shaft drives the unidirectional screw 18 to rotate, so that under the threaded relation of the unidirectional screw 18 and the linkage plate 19 and under the top movement of the pull rod 20, the two concave frames 9 start to move horizontally, when the upper scraping bar 12 and the lower scraping bar 14 respectively contact the pressure applying head 7 and the test bed 4, the upper scraping bar 12 scrapes off gypsum materials attached to the bottom of the pressure applying head 7, and meanwhile, the lower scraping bar 14 can push crushed particles on the test bed 4 and the tested gypsum materials together and finally fall into the pull box 22 through the guide inclined plate, so that one-time cleaning work is realized;
after cleaning, the motor I is reversely started, the upper scraping bar 12 and the lower scraping bar 14 are retracted to the original state, the motor II is reversely started, the two concave frames 9 are brought back to the original position, meanwhile, the rodless cylinder 27 can be started, the sliding block on the rodless cylinder moves away from the first portal frame 46, so that the containing box 21 and the guiding sloping plate are brought away from the test table 4, the motor III is started in the forward direction, the internal threaded pipe 24 starts to rotate through the engagement between the two bevel teeth, so that the containing box 21 starts to rise until the containing box rises to the highest position under the threaded engagement of the internal threaded pipe and the second unidirectional screw 25, the motor III can be closed, and then the strength test work of gypsum materials can be continued;
in the subsequent test work, when more materials are in the drawing box 22, the drawing box 22 can be pulled to separate the two magnets, the drawing box 22 can be pulled out of the containing box 21, and the materials in the drawing box 22 can be intensively processed.
Compared with the related art, the dental material strength testing equipment provided by the utility model has the following beneficial effects:
according to the utility model, through the upper scraping strip 12 and the lower scraping strip 14, crushed objects on the test stand 4 and gypsum attachments on the pressing head 7 can be scraped all at once under the operation of the motor II and scraped into the drawing box 22, so that the purposes of disposable cleaning and centralized collection are realized, the cleaning efficiency is greatly improved, the labor burden of workers is reduced, and the containing box 21 can be lifted to a high position together with the drawing box 22 through the threaded fit between the internal threaded pipe 24 and the unidirectional screw rod II 25, so that the gypsum materials are not prevented from being put on the test stand 4 for strength test.
Second embodiment:
based on the dental material strength testing apparatus provided by the first embodiment of the present utility model, the second embodiment of the present utility model proposes another dental material strength testing apparatus. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
A second embodiment of the present utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 8 to 12 in combination, in a second embodiment of the dental material strength testing apparatus provided by the present utility model: the base 2 is separated from the strength tester 1, the supporting table 3 is separated from the test table 4, a second box body 29 is fixed on one side of the strength tester 1, a third unidirectional screw 30 is rotatably installed in the second box body, a second linkage plate 31 is installed on the third unidirectional screw 30 in a threaded mode, the second linkage plate 31 is guaranteed to move linearly and horizontally, a third limit rod is fixed in the second box body 29, the third limit rod penetrates through the second linkage plate 31 and is in sliding connection with the second linkage plate, the second linkage plate 31 is fixedly connected with the base 2 through a second pull rod 32, a slot 33 is formed in the top of the supporting table 3, a socket 34 is arranged in the slot 33, the socket 34 is matched with the slot 33 in size, the second box body can be stably inserted in the second box body, shaking does not occur, the top of the socket 34 is fixedly connected with the test table 4, and a fourth motor is fixed on the outer wall of one side of the second box body 29, and an output shaft of the fourth motor is fixedly connected with one end of the third unidirectional screw 30.
In the above manner, in order to facilitate the disassembly and replacement of the test stand 4, the two sides of the socket 34 are provided with the caulking grooves 35, the two sides of the supporting stand 3 are provided with the channels 36, the two channels 36 are provided with the clamping blocks 37 in a sliding manner, one sides of the two clamping blocks 37, which are close to each other, extend into the corresponding caulking grooves 35, the clamping blocks 37 are also matched with the caulking grooves 35 in size, and can be tightly inserted into the caulking grooves 35 to ensure the stability of the fixing of the test stand 4, the two sides of the supporting stand 3 are respectively fixed with the first mounting frame 38, the two first mounting frames 38 are respectively provided with the guide rods 39 in a sliding manner, one ends of the two guide rods 39, which are close to each other, are respectively fixedly connected with the corresponding clamping blocks 37, the first springs 40 are respectively sleeved on the two guide rods 39, one ends of the two first springs 40, which are close to each other, and one ends of the two springs, which are far away from each other, are respectively fixedly connected with the corresponding first mounting frames 38, the clamping blocks 37 can be automatically pulled outwards under the elastic action of the first springs 40, the caulking grooves 35 are finally pulled out, triangular grooves 41 are formed in the bottoms of the two clamping blocks 37, the triangular grooves 41 are formed in right-angle triangular shapes, only one inclined wall is arranged, through grooves 42 are formed in the supporting table 3, a lower pressing plate 43 is slidably installed in the through grooves 42, two top plates 44 are fixed on the tops of the lower pressing plate 43, the tops of the two top plates 44 extend into the corresponding triangular grooves 41, the top plates 44 are slidably connected with the inner walls of the tops of the through grooves 42, oblique sides are formed in the tops of the two top plates 44, the two oblique sides are respectively matched with the only inclined walls of the two triangular grooves 41, sliding interference can be formed, in order to ensure that the top plates 44 can always prop up in the triangular grooves 41 under normal conditions, three second springs 45 are fixed on the bottoms of the lower pressing plate 43, the bottom ends of the second springs 45 are fixedly connected with the inner wall of the bottom of the through groove 42, and the stiffness coefficient of the second springs 45 is larger than that of the first springs 40, so that the top plate 44 can be inserted into the triangular groove 41 for a long time.
In the present embodiment
In the initial state, the first springs 40 are in a stretched state;
because the test bed 4 gradually generates abrasion and depression under long-term external force application, in order to ensure the accuracy of the subsequent test result, the test bed needs to be replaced, when the test bed is replaced, the motor IV is started, the output shaft of the motor IV drives the one-way screw III 30 to rotate, at the moment, the linkage plate II 31 can be driven to move towards the direction of the strength tester 1 through the threaded fit of the linkage plate II 31, so that under the pushing of the pull rod II 32, the base 2 moves together with the test bed 4, and finally the test bed 4 is pushed out of the portal frame I46;
then, the lower pressing plate 43 is pressed down, the lower pressing plate 43 brings down the two top plates 44 and presses the three second springs 45, and simultaneously, as the top plates 44 are separated from the triangular grooves 41, the first stretched springs 40 start to pull back, so that the two clamping blocks 37 move away from each other and finally move out of the corresponding embedded grooves 35, at this time, the socket 34 loses the clamping restriction, then the test stand 4 is directly taken out, a new socket 34 on the test stand 4 is inserted into the slot 33, then the lower pressing plate 43 is released, the three second springs 45 release the elastic force and lift up against the lower pressing plate 43, and when the top oblique edges of the top plates 44 contact the oblique walls of the triangular grooves 41, the two clamping blocks 37 start to move towards each other and finally insert into the corresponding embedded grooves 35, so that the test stand 4 is detached and replaced.
Third embodiment:
based on the dental material strength testing apparatus provided by the first and second embodiments of the present utility model, a third embodiment of the present utility model proposes another dental material strength testing apparatus. The third embodiment is merely a preferred manner of the first embodiment or the second embodiment, and implementation of the third embodiment does not affect individual implementations of the first embodiment or the second embodiment.
A third embodiment of the present utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 13-18, the dental material strength testing apparatus further includes two baffles 50 made of transparent plastic, where the two baffles 50 are respectively disposed at two sides of the first portal frame 46, so as to form isolation protection, the top of the first portal frame 46 is fixed with the second portal frame 47, the top inner wall of the second portal frame 47 is fixed with two upright posts 48, bottom ends of the two upright posts 48 are fixedly connected with the first portal frame 46, the two upright posts 48 are slidably mounted with the same bridging plate 49, and an avoidance opening is formed in the bridging plate 49, the oil cylinder 8 can pass through the same, and the tops of the two baffles 50 are fixedly connected with the bridging plate 49, so that the baffles 50 can be fixed, and in addition, shuttle openings are formed in the transverse plate 16 and the transverse table 23, the two shuttle openings can provide a descending path for the two baffles, so that no interaction occurs with the transverse plate 16 and the transverse table 23.
In the above manner, in order to reliably limit the rack plate 49 at a specified position, positioning grooves 51 are formed in two sides of the rack plate 49, concave rods 52 are fixed on outer walls of two sides of the second rack plate 47, side rack plates 53 are slidably mounted on the two concave rods 52, two positioning rods 54 are fixed on one sides of the two side rack plates 53, which are close to each other, the four positioning rods 54 penetrate through the second rack plate 47 and are slidably connected with the second rack plate 47, one ends of the two positioning rods 54 positioned above are extended into corresponding positioning grooves 51, a second mounting frame 55 is fixed on the top of the second rack plate 47, a back plate is fixed on the inner wall of the top of the second mounting frame 55, a rotating shaft is rotatably mounted on the back plate, tooth-missing wheels 56 are fixedly sleeved on the rotating shaft, tooth-missing strips 57 are slidably mounted on two sides of the second mounting frame plate 55 and are fixedly connected with the tops of the corresponding side rack plates 53, the tooth-missing wheels 56 are meshed with each other, a fifth motor is fixedly arranged on one side of the back plate, one end of the fifth motor is fixedly connected with one end of the second rack plate 47, two concave rods 58 are fixedly connected with the corresponding three spring plates 59, and two corresponding three spring sleeves 59 are fixedly connected with the other ends of the three spring plates 59;
in addition, a limiting ring is fixedly sleeved on each of the two upright posts 48, and the limiting ring can limit the descending of the shelf plate 49 to the lowest position, so that when the baffle 50 is lowered until the shelf plate 49 contacts with the limiting ring, the two positioning grooves 51 at the moment are convenient for the two positioning rods 54 positioned below to correspond, and the baffle can be smoothly inserted.
In the present embodiment
In order to prevent a small part of the material from splashing during the testing of the gypsum material, the front and rear sides of the first portal frame 46 can be blocked by the two baffles 50 to prevent the material from splashing;
in specific operation, firstly, the output shaft of the motor five is started to rotate slowly, the output shaft drives the rotating shaft to rotate, so that the tooth-missing wheel 56 can be driven to rotate, when teeth on the tooth-missing wheel 56 are contacted with teeth on the two tooth bars 57, the teeth on the tooth-missing wheel 56 are meshed with the teeth on the two tooth bars 57, so that the two side frame plates 53 are moved in the direction away from each other, and finally the two positioning rods 54 above are brought out of the corresponding positioning grooves 51, at this time, the motor five is closed, and at this time, the four springs three 59 are in a compressed state, meanwhile, the rack plate 49 loses restriction, then the rack plate 49 is manually put down to the lowest position, namely the rack plate 49 is contacted with the limiting ring, at this time, the two positioning rods 54 below are respectively horizontally corresponding to the two positioning grooves 51, then the motor five is continuously started until the teeth on the tooth-missing wheel 56 are separated from the teeth on the tooth bars 57, the motor five is closed, and the tooth bars 57 lose gear meshing, so that the two positioning rods 53 are close to each other under the action of the spring three, and the two positioning rods 53 can be well positioned in the corresponding side frames 46, and the two side frames 46 can be well positioned;
after the test is finished, the two baffles 50 are brought up to the high position again, and the test stand 4 and the pressure applying head 7 are displayed.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. The utility model provides a dental material intensity test equipment, includes intensity test machine, base, brace table, test bench, two guide pillars, slide, shi Yatou, portal frame one and hydro-cylinder, the base with the bottom fixed connection of brace table, two the guide pillar with the equal fixed mounting of portal frame one is in intensity test machine's top, slide slidable mounting is two on the guide pillar, hydro-cylinder fixed mounting is in portal frame one's top, just the output shaft of hydro-cylinder runs through portal frame together with slide fixed connection, its characterized in that, one side of portal frame one is equipped with two concave frames, two equal rotation installs two lead screws in the concave frame, two equal screw thread mount has slider one and slider two on the two fixed mounting on the slider one scrape the strip down, on scrape the strip and scrape the strip down and all be in test bench and the positive position of pressure head, two concave frame is last fixed mounting has one and concave frame with the same output shaft of one side of the synchronous pulley is equipped with two synchronous pulley, one side is equipped with two and holds the synchronous pulley, and one side is equipped with the synchronous pulley and one side of the synchronous pulley is equipped with the synchronous pulley.
2. The dental material strength testing apparatus of claim 1, wherein the base is fixedly connected to the strength tester and the support stand is fixedly connected to the test stand.
3. The dental material strength testing device according to claim 1, wherein a transverse plate is fixedly installed on one side of the first portal frame, a first box body is fixedly installed at the bottom of the transverse plate, a first one-way screw rod is rotatably installed in the first box body, a first linkage plate is installed on the first one-way screw rod in a threaded mode, a first pull rod is fixedly installed on one side, close to the first portal frame, of the first linkage plate, one end of the first pull rod is fixedly connected with the connecting piece, a second motor is fixedly installed on the outer wall of one side of the first box body, and an output shaft of the second motor is fixedly connected with one end of the first one-way screw rod.
4. The dental material strength testing device according to claim 3, wherein a transverse table is fixedly installed on one side of the first portal frame, an internal thread pipe is rotatably installed on the transverse table, a one-way screw rod II is installed on the internal thread of the internal thread pipe, a bearing plate is fixedly installed at the bottom end of the one-way screw rod II, a rodless cylinder is fixedly installed at the bottom of the bearing plate, a movable block is fixedly installed on a sliding block of the rodless cylinder, a connecting frame is fixedly installed at the bottom of the movable block, and inner walls on two sides of the connecting frame are fixedly connected with two sides of the containing box respectively.
5. The dental material strength testing device according to claim 1, wherein a guiding inclined plate is fixedly installed on one side of the accommodating box, which is close to the supporting table, and is matched with the test table, a pulling plate is fixedly installed on one side of the pulling box, which is located outside the accommodating box, and magnets are fixedly installed on one sides of the pulling plate and the accommodating box, which are close to each other, and the two magnets are magnetically attracted to each other.
6. The dental material strength testing device according to claim 4, wherein a third motor is fixedly installed at the top of the transverse table, umbrella teeth are fixedly sleeved on an output shaft of the third motor and the internal thread pipe, the two umbrella teeth are meshed, and a bearing rod is fixedly installed at the bottom of the bearing plate and penetrates through the movable block and is in sliding connection with the movable block.
7. The dental material strength testing device according to claim 1, wherein the base is separated from the strength testing machine, the supporting table is separated from the testing table, a second box body is fixedly installed on one side of the strength testing machine, a third unidirectional screw is installed in the second box body, a second linkage plate is installed on the third unidirectional screw in a threaded mode, a second pulling rod is fixedly installed on one side of the second linkage plate, one end of the second pulling rod is fixedly connected with the base, a slot is formed in the top of the supporting table, a socket is arranged in the slot, the top of the socket is fixedly connected with the testing table, a fourth motor is fixedly installed on the outer wall of one side of the second box body, and an output shaft of the fourth motor is fixedly connected with one end of the third unidirectional screw.
8. The dental material strength test equipment according to claim 7, wherein caulking grooves are formed in two sides of the socket, channels are formed in two sides of the supporting table, clamping blocks are slidably mounted in the channels, one sides of the clamping blocks, which are close to each other, extend to the corresponding caulking grooves, a first mounting frame is fixedly mounted on two sides of the supporting table, guide rods are slidably mounted on the first mounting frame, one ends, which are close to each other, of the two guide rods are fixedly connected with the corresponding clamping blocks, springs are sleeved on the guide rods, one ends, which are close to each other, of the two guide rods are fixedly connected with the corresponding clamping blocks, triangular grooves are formed in the bottoms of the two clamping blocks, a through groove is formed in the supporting table, a lower pressing plate is slidably mounted on the through groove, two tops of the lower pressing plate are fixedly mounted on the first mounting frame, two tops of the two top plates extend to the corresponding triangular grooves, two tops of the top plates are fixedly connected with the corresponding triangular grooves of the two top plates are fixedly connected with the bottom of the three top plates, and the bottom of the two top plates are fixedly connected with the bottom plates of the three top plates.
9. The dental material strength testing device according to claim 4, wherein baffles are arranged on two sides of the first portal frame, the baffles are made of transparent plastic materials, the second portal frame is fixedly arranged on the top of the first portal frame, two upright posts are fixedly arranged on the inner wall of the top of the second portal frame, the bottom ends of the two upright posts are fixedly connected with the first portal frame, the same bridging plate is slidably arranged on the two upright posts, the oil cylinder penetrates through the bridging plate and is movably connected with the bridging plate, the tops of the two baffles are fixedly connected with the bridging plate, shuttle openings are respectively formed in the transverse plates and the transverse tables, and the two shuttle openings are respectively matched with the two baffles.
10. The dental material strength test equipment according to claim 9, wherein positioning grooves are formed in two sides of the rack plate, concave rods are fixedly mounted on outer walls of two sides of the second rack plate, two concave rods are slidably mounted on side rack plates, two positioning rods are fixedly mounted on one sides of the second rack plate, which are close to each other, four positioning rods penetrate through the second rack plate and are slidably connected with the second rack plate, one ends of the positioning rods, which are close to each other, of the second rack plate are extended into the corresponding positioning grooves, a second mounting rack is fixedly mounted on the top of the second rack plate, a backboard is fixedly mounted on the inner wall of the top of the second mounting rack plate, a rotating shaft is rotatably mounted on the backboard, tooth-missing wheels are fixedly sleeved on the rotating shaft, tooth bars are slidably mounted on two sides of the second mounting rack plate, two tooth bars are fixedly connected with the tops of the corresponding side rack plates, the tooth bars are meshed with the tooth-missing wheels, one sides of the backboard is fixedly mounted with a motor, two ends of the fifth motor are fixedly mounted on one sides of the backboard plate are fixedly connected with the corresponding spring sleeves, and the two side rack plates are fixedly mounted on the two side rack plates are fixedly connected with the corresponding spring sleeves.
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| CN202311202536.7A CN116929949B (en) | 2023-09-18 | 2023-09-18 | Dental material strength test equipment |
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| CN202311202536.7A CN116929949B (en) | 2023-09-18 | 2023-09-18 | Dental material strength test equipment |
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| CN116929949B CN116929949B (en) | 2023-12-08 |
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| CN116929949B (en) | 2023-12-08 |
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