CN110744423A

CN110744423A - Modulus of rupture apparatus

Info

Publication number: CN110744423A
Application number: CN201910861772.7A
Authority: CN
Inventors: 徐春霞; 张道来; 杨林峰
Original assignee: Nantong Dongda Construction R & D Center Co Ltd
Current assignee: Nantong Dongda Construction R & D Center Co Ltd
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2020-02-04

Abstract

The invention discloses a fracture modulus determinator, which relates to the technical field of detection equipment and aims to solve the technical problem of poor adaptability.A support is fixed on the upper surface of a base at four corners of the base, a top seat is fixedly arranged above the support, a knife pressing roller is arranged between the top seat and the base, a knife pressing driving piece for driving the knife pressing roller to do linear reciprocating motion along the vertical direction is arranged in the top seat, supporting rollers are symmetrically arranged on the upper surface of the base at two sides of the knife pressing roller, a cutting table is arranged on the side of the base, the upper surface of the cutting table is positioned above the horizontal plane where the top end of the supporting roller is positioned, and cutting mechanisms for limiting the two ends of a plate to be detected to be placed between the two supports to cut off are arranged on two sides of the cutting table; when the panel specification is great, the manual work is arranged panel in and is tailor the bench to promote panel towards the base, promote the in-process, accessible cutting mechanism cuts the both ends of panel, makes its specification accord with the requirement that gets into between two supports, has improved the suitability of equipment.

Description

Modulus of rupture apparatus

Technical Field

The invention relates to the technical field of detection equipment, in particular to a modulus of rupture tester.

Background

The modulus of rupture tester is a device used for detecting the modulus of rupture of a plate.

A modulus of rupture apparatus among the prior art refers to fig. 7 and shows, it includes base (1), base (1) upper surface is located its four corners department vertical fixation and has support (11), support (11) top is fixed and is equipped with footstock (12), be equipped with between footstock (12) and base (1) and press knife roller (13), be equipped with in footstock (12) and be used for driving about pressing knife roller (13) and do linear reciprocating motion's pressure knife driving piece (14) along vertical direction, base (1) upper surface is located pressing knife roller (13) bilateral symmetry and is equipped with backing roll (15). When the device is used, a plate (16) to be detected is placed above the two supporting rollers (15), the pressing knife driving piece (14) drives the pressing knife roller (13) to press down the plate (16) to be detected, when the experimental force applied by the pressing knife roller (13) is larger than the limit value of the plate (16) to be detected, the plate (16) to be detected is broken, and the breaking modulus of the plate (16) to be detected can be calculated through a related formula according to the experimental force when the plate (16) to be detected is broken.

However, the sizes of the plates (16) to be detected are different, and when the sizes of the plates (16) to be detected are larger, the plates cannot be horizontally placed between the base (1) and the top seat (12) from the two supports (11), namely, detection cannot be realized, and the adaptability is poor, so that improvement is needed.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a fracture modulus tester which has the advantages of being capable of cutting a plate with a large specification and having wide adaptability.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a modulus of rupture apparatus, includes the base, the base upper surface is located the equal vertical fixation in its four corners department and has the support, the fixed footstock that is equipped with in support top, be equipped with the pressure rotor between footstock and the base, be equipped with in the footstock and be used for ordering about the pressure rotor and be linear reciprocating motion's pressure sword driving piece along vertical direction, the base upper surface is located pressure rotor bilateral symmetry and is equipped with the backing roll, base side is equipped with tailors the platform, the upper surface of tailors the platform is located the horizontal plane at backing roll top place more than, the tailors platform both sides all are equipped with and are used for restricting its part of putting into between two supports to the panel both ends that await measuring and cut off the cutting mechanism.

Through adopting above-mentioned technical scheme, when the panel specification is great, the manual work is arranged panel in and is tailor the bench to promote panel towards the base, promote the in-process, accessible cutting mechanism cuts the both ends of panel, makes its specification accord with the requirement that gets into between two supports, thereby can tailor the panel of big specification, has improved the suitability of equipment.

Furthermore, two cutting mechanisms all include the emery wheel and be used for driving about emery wheel pivoted and tailor the driving piece, two it fixes respectively on the relative both sides wall of cutting table to tailor the driving piece, two the emery wheel is equal vertical setting, two the vertical plane at emery wheel place all is located between close backing roll and the support.

Through adopting above-mentioned technical scheme, order about the emery wheel through tailorring the driving piece and rotate, the emery wheel rotates the in-process and offsets with panel and can realize tailorring to panel.

Furthermore, a plurality of preset holes are formed in the upper surface of the cutting table, the plurality of preset holes are connected with power-assisted rollers in a rotating mode, and the top ends of the plurality of power-assisted rollers extend out of the corresponding preset holes.

Through adopting above-mentioned technical scheme, panel is at the in-process that tailors bench promotion, and panel can be on a plurality of helping hand gyro wheels of stabilizing the butt under self action of gravity, can make panel not with tailors bench surface direct contact, can make not have direct contact between panel and the tailors bench, turns into the rolling friction of helping hand gyro wheel and panel, can alleviate the wearing and tearing of panel, and the resistance that promotes panel reduces to operating personnel's intensity of labour has been reduced.

Furthermore, a plurality of preset holes are divided into a plurality of groups, the preset holes in the same group are all located on the same straight line and penetrate through the preset holes, a driving shaft capable of rotating around the axis of the driving shaft is inserted into the driving holes, and a plurality of power-assisted driving parts used for driving the corresponding driving shaft to rotate are arranged on the side wall of the cutting table.

Through adopting above-mentioned technical scheme, promote the panel in-process, open the helping hand driving piece, order about a plurality of helping hand gyro wheels and rotate, can assist operating personnel to promote panel to further alleviate operating personnel and promote the intensity of labour of panel in-process.

Further, the base top is equipped with the elevating platform, the base upper surface is equipped with and is used for ordering about the elevating platform and is straight reciprocating motion's lift driving piece along vertical direction, the elevating platform upper surface rotates and is connected with a plurality of auxiliary roller.

Through adopting above-mentioned technical scheme, panel promotes the in-process, the lift driving piece orders about the elevating platform and goes upward, be higher than two supporting rollers until a plurality of auxiliary roller tops, and be located the same horizontal plane with the top of a plurality of helping hand gyro wheels, can make panel from the in-process that tailors platform to base top shift afterwards, panel butt to a plurality of auxiliary roller tops earlier, so that panel is more laborsaving from the in-process that tailors platform to base top shift, after panel shifts to the base top completely, order about the elevating platform down through the lift driving piece, be less than two supporting rollers until a plurality of auxiliary roller tops, afterwards can make the stable butt of panel on two supporting rollers, so that carry out subsequent detection work.

Furthermore, the side wall of the cutting table is positioned below the grinding wheel, and a dust collection box with an opening at the top is arranged below the grinding wheel.

By adopting the technical scheme, in the process of cutting the plate by the grinding wheel, a part of generated scraps falls into the dust collection box under the action of self gravity, so that the collection of the scraps is realized, and the subsequent centralized treatment is facilitated.

Furthermore, the opening part at the top of the dust collection box is provided with a mounting ring groove, an elastic frame is inserted in the mounting ring groove in a matching manner, the inner wall of the elastic frame is provided with a dust collection bag, and the outer wall of the dust collection bag is positioned at the opening part and is fixedly connected with the inner wall of the elastic frame.

By adopting the technical scheme, after the amount of the waste scraps in the dust collection bag is large, the dust collection bag and the elastic frame are lifted integrally by manpower firstly under the state that the grinding wheel does not work, so that the elastic frame is taken out of the mounting ring groove, and then the elastic frame is bent and deformed, so that the elastic frame can avoid the grinding wheel and is taken out of the inner cavity of the dust collection box, and then the waste scraps in the dust collection bag can be poured. After pouring, the elastic frame can be installed in the installation ring groove again through bending deformation of the elastic frame, and operation is convenient.

Furthermore, the outer wall of the elastic frame is fixedly provided with a plurality of first magnetic parts along the circumferential direction, and the inner wall of the mounting ring groove is fixedly provided with a plurality of second magnetic parts which are magnetically attracted with the first magnetic parts along the circumferential direction.

Through adopting above-mentioned technical scheme, the back is installed to the mounting ring inslot to the elasticity frame, and a plurality of magnetism spare one attract mutually with two magnetism of magnetism spare, can make the state that the elasticity frame is located the mounting ring inslot more stable afterwards.

Furthermore, the elasticity frame diapire is equipped with a plurality of gag lever posts along its circumference, the installation annular diapire is equipped with a plurality of spacing holes that supply corresponding gag lever post adaptation to insert to establish along its circumference.

Through adopting above-mentioned technical scheme, the back is installed to the mounting ring inslot to the elastic frame, and a plurality of gag lever post adaptations are inserted and are established to corresponding spacing downthehole, can make afterwards to make even the sweeps in the bag of gathering dust overweight also can make the elastic frame can not fall along with the bag of gathering dust, break away from the mounting ring inslot, have further promoted the state stability of elastic frame after being located the mounting ring inslot promptly.

Further, an air outlet penetrates through the bottom of the dust collection box, and a negative pressure source is arranged in the air outlet.

Through adopting above-mentioned technical scheme, the negative pressure source can make the air in the dust collecting box discharge the dust collecting box from the air outlet constantly, can make the air of dust collecting box top constantly flow into in the dust collecting box, can make more sweeps in the air be inhaled to the bag of gathering dust in, and the collection effect to the sweeps is better promptly.

In conclusion, the invention has the following beneficial effects:

1. the cutting device is characterized in that supports are vertically fixed on the upper surface of a base at four corners of the base, a top seat is fixedly arranged above the supports, a knife pressing roller is arranged between the top seat and the base, a knife pressing driving piece for driving the knife pressing roller to do linear reciprocating motion along the vertical direction is arranged in the top seat, supporting rollers are symmetrically arranged on the upper surface of the base at two sides of the knife pressing roller, a cutting table is arranged at one side of the base, the upper surface of the cutting table is positioned above the horizontal plane where the top ends of the supporting rollers are positioned, and cutting mechanisms for cutting off the parts of a plate to be measured, which are positioned between the two supports, are limited at two ends of; when the specification of the plate is large, the plate is manually placed on the cutting table and pushed towards the base, and in the pushing process, the two ends of the plate can be cut through the cutting mechanism, so that the specification of the plate meets the requirement of entering between the two supports, the large-specification plate can be cut, and the applicability of the device is improved;

2. the upper surface of the cutting table is provided with a plurality of preset holes, the plurality of preset holes are all rotatably connected with the boosting rollers, and the top ends of the plurality of boosting rollers extend out of the corresponding preset holes; the in-process that panel promoted at the tailoring table, panel can be on a plurality of helping hand gyro wheels of stable butt under self action of gravity, can make panel not with tailoring table surface direct contact, can make and do not have direct contact between panel and the tailoring table, turn into the rolling friction of helping hand gyro wheel and panel, can alleviate the wearing and tearing of panel, and the resistance that promotes panel reduces to operating personnel's intensity of labour has been reduced.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a disassembled view showing the connection between the power roller and the cutting table in this embodiment;

FIG. 3 is a schematic structural diagram illustrating a connection relationship between a lifting platform and a base in the present embodiment;

FIG. 4 is a disassembled schematic view showing a connection relationship between a dust collecting bag and a dust collecting box in the present embodiment;

FIG. 5 is an enlarged view taken at A in FIG. 4;

FIG. 6 is an enlarged view of FIG. 4 at B;

fig. 7 is a background art drawing.

In the figure: 1. a base; 11. a support; 12. a top seat; 13. pressing a cutter roller; 14. a knife pressing driving member; 15. a support roller; 16. a plate material; 17. a cutting table; 2. a cutting mechanism; 21. a grinding wheel; 22. a cutting driving piece; 3. a power-assisted roller; 30. presetting a hole; 31. a drive shaft; 310. a drive aperture; 32. a power-assisted drive; 4. a lifting platform; 41. a lifting drive member; 42. an auxiliary roller; 5. a dust collection box; 51. an elastic frame; 510. mounting a ring groove; 52. a dust collection bag; 531. a first magnetic part; 532. a second magnetic part; 54. a limiting rod; 540. a limiting hole; 55. a source of negative pressure; 550. and (7) air outlet.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a modulus of rupture apparatus, refer to fig. 1, it includes the base 1, the upper surface of base 1 locates at its four corners department and all welds and fixes the support 11, the support 11 is perpendicular with the upper surface of base 1. A top seat 12 is welded and fixed above the support 11, a knife pressing roller 13 is arranged between the top seat 12 and the base 1, a knife pressing driving part 14 is fixed in the top seat 12 through a bolt, and the knife pressing driving part 14 is preferably an air cylinder and is used for driving the knife pressing roller 13 to do linear reciprocating motion along the vertical direction.

Referring to fig. 1, a pair of support rollers 15 are fixed to the upper surface of the base 1 by bolts, and the support rollers 15 are respectively located on both sides of the knife pressing roller 13. The side of the base 1 is provided with a cutting table 17, the upper surface of the cutting table 17 is positioned above the horizontal plane where the top end of the supporting roll 15 is positioned, the two sides of the cutting table 17 positioned in the feeding direction of the plate 16 are provided with cutting mechanisms 2, and the cutting mechanisms 2 are used for cutting off the parts of the two ends of the plate 16 to be measured, which are limited to be placed between the two brackets 11.

Referring to fig. 1, each of the two cutting mechanisms 2 includes a grinding wheel 21 and a cutting driving member 22, and the cutting driving member 22 is preferably a motor and is configured to drive the grinding wheel 21 to rotate. The two cutting driving pieces 22 are respectively fixed on two opposite side walls of the cutting table 17 through bolts. The two grinding wheels 21 are both vertically arranged, and the vertical planes of the two grinding wheels 21 are both positioned between the adjacent supporting roller 15 and the bracket 11. And a dust collection box 5 with an open top is fixedly welded on the side wall of the cutting table 17 below the grinding wheel 21.

Referring to fig. 2, a plurality of groups of preset holes 30 are formed in the upper surface of the cutting table 17, the plurality of preset holes 30 in the same group are all located on the same straight line and penetrate through driving holes 310, driving shafts 31 capable of rotating around the axes of the driving shafts are inserted into the plurality of driving holes 310, a plurality of power-assisted driving members 32 are fixed to the side wall of the cutting table 17 through bolts, and the power-assisted driving members 32 are preferably motors and are used for driving the corresponding driving shafts 31 to rotate. The plurality of preset holes 30 are all provided with the power-assisted rollers 3, the plurality of power-assisted rollers 3 are respectively sleeved and welded on the corresponding driving shafts 31, and the top ends of the plurality of power-assisted rollers 3 extend out of the corresponding preset holes 30.

Referring to fig. 3, a lifting table 4 is disposed above the base 1, and a lifting driving member 41 is disposed on an upper surface of the base 1, wherein the lifting driving member 41 is preferably a cylinder and is used for driving the lifting table 4 to perform linear reciprocating motion along a vertical direction. The upper surface of the lifting platform 4 is rotatably connected with a plurality of auxiliary rollers 42 through pin shafts. The upper dead point of the elevation driving member 41 may be such that the top ends of the plurality of auxiliary rollers 42 are higher than the top ends of the supporting rollers 15, and the lower dead point may be such that the bottom ends of the plurality of auxiliary rollers 42 are lower than the top ends of the supporting rollers 15.

Referring to fig. 4, the dust collection box 5 has an open top, an air outlet 550 is formed through the bottom of the dust collection box 5, a negative pressure source 55 is connected to the air outlet 550 through a bolt, and the negative pressure source 55 is preferably a fan and is configured to discharge air in the dust collection box 5 from the air outlet 550.

Referring to fig. 5, an installation ring groove 510 is arranged at an opening at the top of the dust collection box 5, a plurality of second magnetic members 532 are embedded in and adhered to the inner wall of the installation ring groove 510 along the circumferential direction, and a plurality of limiting holes 540 are arranged on the bottom wall of the installation ring groove 510 along the circumferential direction.

Referring to fig. 6, the elastic frame 51 is inserted into the mounting ring groove 510 (see fig. 5), and the elastic frame 51 is preferably made of rubber. The inner wall of the elastic frame 51 is adhered with a dust collecting bag 52, and the outer wall of the dust collecting bag 52 is positioned at the opening and adhered with the inner wall of the elastic frame 51 in a matching way.

Referring to fig. 6, a plurality of first magnetic members 531 are embedded in and bonded to the outer wall of the elastic frame 51 along the circumferential direction thereof, and the second magnetic members 532 (see fig. 5) and the first magnetic members 531 are natural magnetic blocks which are magnetically attracted to each other.

Referring to fig. 6, the bottom wall of the elastic frame 51 has a plurality of limiting rods 54 adhered along the circumferential direction thereof, and the plurality of limiting rods 54 are inserted into corresponding limiting holes 540 (see fig. 5).

The working principle is as follows: when the specification of the plate 16 is large, the plate 16 is manually placed on the cutting table 17, the plate 16 is pushed towards the base 1, in the pushing process, the cutting driving part 22 is opened to drive the grinding wheel 21 to rotate, the grinding wheel 21 cuts two ends of the plate 16, and the specification of the plate meets the requirement of entering between the two supports 11, so that the applicability of the device is improved.

During the cutting process of the plate 16, under the action of the gravity of the plate 16, the bottom wall of the plate 16 can be stably abutted against the plurality of power-assisted rollers 3, the power-assisted driving part 32 is opened, the plurality of power-assisted rollers 3 are driven to rotate, and then the plate 16 can be pushed by an operator, so that the labor intensity of the operator in the process of pushing the plate 16 is reduced.

In addition, in the cutting process of the plate 16, a contact part of the grinding wheel 21 and the plate 16 generates more scraps, the negative pressure source 55 is turned on, the scraps flow along with the air and fall into the dust collection bag 52 in the dust collection box 5, and the content of the scraps in the air around the grinding wheel 21 can be effectively reduced. When the amount of the waste in the dust collection bag 52 is large, the dust collection bag 52 and the elastic frame 51 are lifted up manually in the state that the grinding wheel 21 does not work, so that the magnetic pieces 531 and the magnetic pieces 532 are separated, the limiting rods 54 are pulled out of the corresponding limiting holes 540, and then the elastic frame 51 is bent and deformed, so that the elastic frame 51 can be pulled out of the inner cavity of the dust collection box 5 away from the grinding wheel 21, and then the waste in the dust collection bag 52 can be dumped. After pouring, the elastic frame 51 can be installed in the installation ring groove 510 again through bending deformation of the elastic frame 51, the magnetic parts I531 and the magnetic parts II 532 are magnetically attracted, and the limiting rods 54 are inserted into the corresponding limiting holes 540 again, so that the operation is convenient.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a modulus of rupture apparatus, includes base (1), base (1) upper surface is located the equal vertical fixation in its four corners department and has support (11), support (11) top is fixed and is equipped with footstock (12), be equipped with between footstock (12) and base (1) and press knife roll (13), be equipped with in footstock (12) and be used for driving about knife roll (13) and do linear reciprocating motion's knife drive spare (14) along vertical direction, base (1) upper surface is located knife roll (13) bilateral symmetry and is equipped with backing roll (15), its characterized in that: base (1) side is equipped with tailoring table (17), the upper surface of tailoring table (17) is located more than the horizontal plane at backing roll (15) top place, tailoring table (17) both sides all are equipped with and are used for restricting its part of putting into between two supports (11) to panel (16) both ends that await measuring and carry out cutting mechanism (2).

2. The modulus of rupture tester as set forth in claim 1, wherein: the two cutting mechanisms (2) comprise grinding wheels (21) and cutting driving pieces (22) used for driving the grinding wheels (21) to rotate, the two cutting driving pieces (22) are respectively fixed on two opposite side walls of the cutting table (17), the two grinding wheels (21) are vertically arranged, and the vertical planes where the two grinding wheels (21) are located between the adjacent supporting rollers (15) and the support (11).

3. The modulus of rupture tester as set forth in claim 1, wherein: the upper surface of the cutting table (17) is provided with a plurality of preset holes (30), the preset holes (30) are connected with the power-assisted rollers (3) in a rotating mode, and the top ends of the power-assisted rollers (3) extend out of the corresponding preset holes (30).

4. A modulus of rupture measuring instrument as set forth in claim 3, wherein: a plurality of preset hole (30) divide into a plurality of groups, and a plurality of in the same group preset hole (30) all are located same straight line and run through and are equipped with drive hole (310), and are a plurality of all insert in drive hole (310) and be equipped with drive shaft (31) that can rotate around its self axle center, cutting table (17) lateral wall is equipped with a plurality of helping hand driving pieces (32) that are used for driving about corresponding drive shaft (31) pivoted.

5. The modulus of rupture tester as set forth in claim 1, wherein: base (1) top is equipped with elevating platform (4), base (1) upper surface is equipped with and is used for ordering about elevating platform (4) and is straight reciprocating motion's lift driving piece (41) along vertical direction, elevating platform (4) upper surface rotates and is connected with a plurality of auxiliary roller (42).

6. The modulus of rupture tester as set forth in claim 2, wherein: the side wall of the cutting table (17) is positioned below the grinding wheel (21) and is provided with a dust collection box (5) with an opening at the top.

7. The modulus of rupture tester as set forth in claim 6, wherein: dust collection box (5) top opening part is equipped with installation annular (510), the interpolation of installation annular (510) interior adaptation is equipped with elasticity frame (51), elasticity frame (51) inner wall is equipped with dust collection bag (52), dust collection bag (52) outer wall is located its opening part and elasticity frame (51) inner wall fixed connection.

8. The modulus of rupture tester as set forth in claim 7, wherein: the outer wall of the elastic frame (51) is fixedly provided with a plurality of first magnetic parts (531) along the circumferential direction of the elastic frame, and the inner wall of the mounting ring groove (510) is fixedly provided with a plurality of second magnetic parts (532) which are attracted with the first magnetic parts (531) along the circumferential direction of the mounting ring groove.

9. The modulus of rupture tester as set forth in claim 7, wherein: the elastic frame (51) diapire is equipped with a plurality of gag lever posts (54) along its circumference, installation annular (510) diapire is equipped with a plurality of spacing holes (540) that supply corresponding gag lever post (54) adaptation to insert to establish along its circumference.

10. The modulus of rupture tester as set forth in claim 6, wherein: an air outlet (550) penetrates through the bottom of the dust collection box (5), and a negative pressure source (55) is arranged in the air outlet (550).