Dental resin material toughness detection device

Abstract

The invention discloses a dental resin material toughness detection device, and belongs to the field of material detection.The dental resin material toughness detection device comprises a middle base, side bases are arranged on the left side and the right side of the middle base, sliding grooves are formed in the upper surfaces of the side bases in a penetrating mode and communicate with the interiors of the side bases, and a first motor is fixed to the side, away from the middle base, of each side base; an output shaft of the first motor penetrates into the sliding groove and is fixedly provided with a lead screw, the outer surface of the lead screw is in threaded connection with a sliding block, a clamping base is fixedly connected to the position, located on the upper surface of the side base, of the top of the sliding block, and first hydraulic rods are symmetrically fixed to the interior of the clamping base. The requirement on multi-aspect toughness evaluation of the dental resin material is met, and the detection comprehensiveness is improved; by controlling the distance between the bending rods in the same group, a three-point bending test and a four-point bending test can be realized, and different actual stress scenes can be simulated, so that the detection result has higher reference value.

Description

Technical Field

[0001] The invention relates to the technical field of material detection, and in particular to a dental resin material toughness detection device. Background Art

[0002] In the field of toughness testing of dental resin materials, traditional testing devices often have a single function and are difficult to meet multiple testing needs at the same time. For example, it is impossible to flexibly switch between pulling testing and bending testing, or it is difficult to implement different types of bending tests in bending testing, which limits the comprehensiveness and accuracy of the test results and cannot accurately simulate the complex stress conditions of dental resin materials in the actual oral environment. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a dental resin material toughness detection device, which solves the problems raised in the above background technology.

[0004] Technical solution: To solve the above technical problems, according to one aspect of the present invention, more specifically, a dental resin material toughness detection device includes a middle seat, side seats are arranged on the left and right sides of the middle seat, a slide groove is penetrated through the upper surface of the side seat, the slide groove is connected with the inside of the side seat, a motor is fixed to the side of the side seat away from the middle seat, the output shaft of the motor penetrates into the inside of the slide groove and is fixed with a screw rod, a slider is threadedly connected to the outer surface of the screw rod, the top of the slider is located on the upper surface of the side seat and is fixedly connected to a clamp seat, a hydraulic rod one is symmetrically fixed inside the clamp seat, the top ends of the two hydraulic rods penetrate to the top of the clamp seat and are commonly fixed with a lifting plate, and the lower surface of the lifting plate is fixed with A plurality of positioning rods, the bottom ends of the positioning rods penetrate into the interior of the clamp seat, a plurality of material strips are connected to be disassembled together inside the two clamp seats, a plurality of through slots are provided on the upper surface of the middle seat, the through slots are communicated with the interior of the middle seat, two turntables are rotatably connected inside the through slots, a gear 1 is fixed to the bottom of the turntable, the gear 1 is rotatably connected to the interior of the middle seat, the material strips are located above the two turntables, a bending rod is fixed on the upper surface of the turntable away from the center, a rack is slidably connected inside the middle seat, the left and right sides of the rack are respectively meshed with the plurality of gears 1, a hydraulic rod 2 is fixed to the front surface of the middle seat, the rear end of the hydraulic rod 2 penetrates into the interior of the middle seat and is fixedly connected to the front end of the rack.

[0005] Furthermore, slideways are provided below the opposite sides of the two side seats, tooth plates are fixed on the left and right sides of the middle seat, the tooth plates are slidably connected to the slideways, a second motor is fixed to the lower surface of the middle seat, the bottom end of the output shaft of the second motor passes through the interior of the slideway, and a second gear is fixed thereto, and the second gear is meshingly connected to the tooth plate.

[0006] Furthermore, through positioning holes are provided at the left and right ends of the material strip, and the bottom end of the positioning rod is located inside the positioning hole.

[0007] Furthermore, a clamping plate is fixed on the outer surface of the positioning rod above the material strip.

[0008] Furthermore, the outer surface of the slider is in contact with the inner surface of the slide groove.

[0009] Furthermore, the outer surfaces of the two curved rods are in contact with the outer surface of the material strip.

[0010] The beneficial effects of the dental resin material toughness detection device of the present invention are: (1) The present invention can perform bending toughness testing and tensile testing, which meets the needs of multi-faceted toughness evaluation of dental resin materials, improves the comprehensiveness of testing, and realizes multifunctional testing.

[0011] (2) The present invention can realize three-point bending test and four-point bending test by controlling the spacing of bending rods in the same group, and can simulate different actual stress scenarios, making the test results more valuable for reference, thereby realizing the diversification of bending tests. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0013] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a cross-sectional structural schematic diagram of the present invention; Figure 3 It is a structural schematic diagram of the middle seat and the turntable in the present invention; Figure 4 It is a structural schematic diagram of the rotating disk and the gear 1 in the present invention; Figure 5 It is a structural schematic diagram of the middle seat and the tooth plate in the present invention.

[0014] In the figure: 1. middle seat; 2. side seat; 3. slide; 4. motor 1; 5. screw rod; 6. slider; 7. clamp seat; 8. hydraulic rod 1; 9. lifting plate; 10. positioning rod; 11. clamp plate; 12. material strip; 121. positioning hole; 13. through groove; 14. turntable; 15. gear 1; 16. bending rod; 17. rack; 18. hydraulic rod 2; 19. slide; 20. gear plate; 21. motor 2; 22. gear 2. DETAILED DESCRIPTION

[0015] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other without conflict.

[0016] In order to make the technical solution of the present invention clearer, the present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

[0017] Reference Figure 1-Figure 5 A dental resin material toughness detection device comprises a middle seat 1, side seats 2 are arranged on the left and right sides of the middle seat 1, a slide groove 3 is penetrated on the upper surface of the side seat 2, the slide groove 3 is connected with the inside of the side seat 2, a motor 4 is fixed on the side of the side seat 2 away from the middle seat 1, the output shaft of the motor 4 penetrates into the inside of the slide groove 3, and a screw rod 5 is fixed, a slider 6 is threadedly connected to the outer surface of the screw rod 5, the top of the slider 6 is located on the upper surface of the side seat 2 and is fixedly connected to a clamp seat 7, a hydraulic rod 8 is symmetrically fixed inside the clamp seat 7, the top ends of the two hydraulic rods 8 are penetrated above the clamp seat 7, and a lifting plate 9 is fixed together, a plurality of positioning rods 10 are fixed on the lower surface of the lifting plate 9, the bottom ends of the positioning rods 10 penetrate into the inside of the clamp seat 7, and the insides of the two clamp seats 7 A plurality of material strips 12 are connected for disassembly together. The material strips 12 are dental resin materials to be tested. A plurality of through slots 13 are provided on the upper surface of the middle seat 1. The through slots 13 are connected to the inside of the middle seat 1. Two turntables 14 are rotatably connected inside the through slots 13. A gear 15 is fixed to the bottom of the turntable 14. The gear 15 is rotatably connected to the inside of the middle seat 1. The material strips 12 are located above the two turntables 14. A bending rod 16 is fixed to the upper surface of the turntable 14 away from the center. A rack 17 is slidably connected inside the middle seat 1. The left and right sides of the rack 17 are respectively meshed with the plurality of gears 15. A hydraulic rod 2 18 is fixed to the front surface of the middle seat 1. The rear end of the hydraulic rod 2 18 penetrates into the inside of the middle seat 1 and is fixedly connected to the front end of the rack 17. Slideways 19 are provided at the lower sides of the two side seats 2 on opposite sides, tooth plates 20 are fixed on the left and right sides of the middle seat 1, and the tooth plates 20 are slidably connected with the slideways 19. A second motor 21 is fixed on the lower surface of the middle seat 1, and the bottom end of the output shaft of the second motor 21 passes through the inside of the slideway 19 and is fixed with a second gear 22, which is meshed and connected with the tooth plate 20. The outer surfaces of the two curved rods 16 are in contact with the outer surface of the material strip 12. When in use, the material strip 12 is stably installed through the clamping seats 7 on both sides, and the hydraulic rod 2 18 is controlled to extend and retract as needed to make the rack 17 slide forward or backward, so that the turntable 14 rotates under the transmission of the gear 15, and the two bending rods 16 in the same group are rotated and adjusted to fit the surface of the material strip 12. At this time, the motor 21 can be controlled to drive, and under the action of the gear 2 22 and the toothed plate 20, the middle seat 1 and the bending rod 16 move, and the bending rod 16 applies pressure to the surface of the material strip 12, thereby realizing the bending toughness detection operation of the material strip 12. At the same time, the motor 1 4 runs, and the screw 5 rotates, so that the side seats 2 on both sides pull the two ends of the material strip 12, thereby realizing the pulling detection; During the bending detection, the bending rods 16 of the same group are controlled to be close to each other as required. Figure 4 As shown in the middle and rear two groups, the two bending rods 16 of the same group are close to each other. At this time, the middle seat 1 moves through the two bending rods 16 to cooperate with the side seats 2 on both sides to realize the three-point bending test; Figure 4 As shown in the two far-away bending rods 16 in the front center, when the middle seat 1 moves, the four-point bending test will be realized through the cooperation of the two far-away bending rods 16 and the side seats 2 on both sides; so that the device can be used for different bending tests and pulling tests.

[0018] Reference Figure 1-Figure 5 A through positioning hole 121 is provided at the left and right ends of the material strip 12, the bottom end of the positioning rod 10 is located inside the positioning hole 121, and a clamping plate 11 is fixed on the outer surface of the positioning rod 10 above the material strip 12. The lifting plate 9 is lifted and lowered by contracting the hydraulic rod 8, so that the positioning rod 10 is inserted into the positioning hole 121, and the clamping plate 11 is pressed down to clamp the material strip 12 so that the material strip 12 is stably installed.

[0019] Reference Figure 1-Figure 2 The outer surface of the slider 6 fits with the inner surface of the slide groove 3, so that when the screw rod 5 rotates, the slider 6 can slide stably inside the slide groove 3, so that the clamping seat 7 pulls the material strip 12 to detect its toughness.

[0020] The above-mentioned embodiments only express several implementation methods of the present invention, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the present invention. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A dental resin material toughness testing device, comprising a middle seat (1), characterized in that: Side seats (2) are arranged on the left and right sides of the middle seat (1), and a slide groove (3) is formed on the upper surface of the side seat (2), and the slide groove (3) is connected to the inside of the side seat (2). A motor (4) is fixed on the side of the side seat (2) away from the middle seat (1), and the output shaft of the motor (4) passes through the inside of the slide groove (3) and is fixed with a screw rod (5). The outer surface of the screw rod (5) is threadedly connected with a slider (6), and the top of the slider (6) is located on the upper surface of the side seat (2) and is fixedly connected with a clamp seat (7). A hydraulic rod (8) is symmetrically fixed inside the clamp seat (7), and the top ends of the two hydraulic rods (8) are both inserted into the top of the clamp seat (7) and are fixed with a lifting plate (9) together. A plurality of positioning rods (10) are fixed on the lower surface of the lifting plate (9), and the bottom ends of the positioning rods (10) pass through the inside of the clamp seat (7). The two clamp seats (7) A plurality of material strips (12) are connected to each other for disassembly inside the middle seat (1). A plurality of through grooves (13) are provided on the upper surface of the middle seat (1). The through grooves (13) are connected to the inside of the middle seat (1). Two turntables (14) are rotatably connected inside the through grooves (13). A gear 1 (15) is fixed to the bottom of the turntable (14). The gear 1 (15) is rotatably connected to the inside of the middle seat (1). The material strips (12) are located above the two turntables (14). A bending rod (16) is fixed to the upper surface of the turntable (14) away from the center. A rack (17) is slidably connected inside the middle seat (1). The left and right sides of the rack (17) are respectively meshed with the plurality of gears 1 (15). A hydraulic rod 2 (18) is fixed to the front surface of the middle seat (1). The rear end of the hydraulic rod 2 (18) passes through the inside of the middle seat (1) and is fixedly connected to the front end of the rack (17).

2. A dental resin material toughness detection device according to claim 1, characterized in that: A slideway (19) is provided below the opposite sides of the two side seats (2), tooth plates (20) are fixed to the left and right sides of the middle seat (1), the tooth plates (20) are slidably connected to the slideways (19), a second motor (21) is fixed to the lower surface of the inside of the middle seat (1), the bottom end of the output shaft of the second motor (21) passes through the inside of the slideway (19), and a second gear (22) is fixed thereto, the second gear (22) is meshingly connected to the tooth plate (20).

3. A dental resin material toughness detection device according to claim 1, characterized in that: The left and right ends of the material strip (12) are both provided with through-type positioning holes (121), and the bottom end of the positioning rod (10) is located inside the positioning hole (121).

4. A dental resin material toughness detection device according to claim 1, characterized in that: A clamping plate (11) is fixed to the outer surface of the positioning rod (10) above the material strip (12).

5. A dental resin material toughness detection device according to claim 1, characterized in that: The outer surface of the sliding block (6) fits the inner surface of the sliding groove (3).

6. A dental resin material toughness detection device according to claim 1, characterized in that: The outer surfaces of the two bent rods (16) are both in contact with the outer surface of the material strip (12).

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