CN210082113U - Stone machine headstock saw bit presss from both sides tight booster unit - Google Patents
Stone machine headstock saw bit presss from both sides tight booster unit Download PDFInfo
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- CN210082113U CN210082113U CN201920370108.8U CN201920370108U CN210082113U CN 210082113 U CN210082113 U CN 210082113U CN 201920370108 U CN201920370108 U CN 201920370108U CN 210082113 U CN210082113 U CN 210082113U
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Abstract
The utility model discloses a stone machine headstock saw bit clamping booster device, which comprises a stone machine main shaft, a saw bit on the main shaft and a clamping nut, wherein a hydraulic clamping booster is arranged on the stone machine main shaft between the saw bit and the clamping nut, and the hydraulic clamping booster comprises an A oil cylinder front cover, a B oil cylinder rear cover, a reverse thrust booster assembly, a voltage regulator assembly and an oil inlet and outlet assembly; the lid is the solid of revolution that runs through the centre bore along the axial setting behind A hydro-cylinder protecgulum, the B hydro-cylinder, and the annular boss formula piston embedding B hydro-cylinder rear cover terminal surface that A hydro-cylinder protecgulum terminal surface set up along the circumference sets up along the annular groove formula piston chamber axial sliding fit tight saw bit and the lock nut that rises, and the tight power that rises is adjusted to thrust supercharger assembly, voltage regulator assembly, and the main shaft direction of rotation is opposite with lock nut thread direction, the utility model discloses have the tight saw bit of dual fail safe clamp, prevent that the saw bit is not hard up, laborsaving effect.
Description
Technical Field
The utility model belongs to the technical field of marble cutter, specifically be a tight booster unit of stone material machine headstock saw bit clamp.
Background
Present stone material machine headstock saw bit beats the spanner through the sledgehammer and makes the nut atress press from both sides tight saw bit, it is hard again to operate like this, whole machine vibrations when beating, direct damage headstock bearing oil clearance, the main shaft of headstock is the major axis that varies according to the quantity setting of hanging the saw bit, the sledgehammer is beaten tight nut and is made the main shaft warp very easily, the main perpendicular bending that shows as the main shaft, the influence plate quality who surely goes out, main shaft and bearing life-span also can subtract the weak point, need change in advance, the maintenance cost of production increases, so urgent need be solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tight booster unit of stone material machine headstock saw bit clamp, its aim at solve current stone material machine headstock saw bit and become flexible easily, fastening nut wastes time and energy's problem.
The utility model adopts the following technical scheme:
a clamping power assisting device for saw blades of a stone machine spindle box comprises a stone machine spindle (1), saw blades (2) arranged on the stone machine spindle (1), clamping nuts (3) for axially fastening the saw blades (2) along the stone machine spindle (1), and a hydraulic clamping power assisting device (4), wherein the hydraulic clamping power assisting device (4) is arranged on the stone machine spindle (1) between the saw blades (2) and the clamping nuts (3), and the hydraulic clamping power assisting device (4) comprises an A oil cylinder front cover (41), a B oil cylinder rear cover (42), a thrust booster assembly (43), a pressure regulator assembly (44) and an oil inlet and outlet device assembly (45);
the oil cylinder front cover (41) and the oil cylinder rear cover (42) are both rotary bodies which are axially provided with through center holes, annular boss type pistons (411) which are circumferentially arranged on the end surface of the oil cylinder front cover (41) are embedded into annular groove type piston cavities (421) which are circumferentially arranged on the end surface of the oil cylinder rear cover (42) and are axially matched in a sliding manner, gaps between the annular boss type pistons (411) and the bottoms of the annular groove type piston cavities (421) form annular closed oil grooves (422), a plurality of axial screw holes I are uniformly distributed on the end surface of the annular boss type pistons (411) along the circumferential direction, axial positioning holes corresponding to the screw holes I are arranged on the inner bottom surface of the annular groove type piston cavities (421) along the circumferential direction, one end of each positioning screw (424) is fixed in the screw hole I in a threaded manner, and the other end of each positioning screw is inserted into the;
four radial threaded holes II are uniformly distributed in the outer ring of the oil cylinder rear cover (42) B along the circumferential surface, and the bottom of each threaded hole II is provided with an oil through hole (423) communicated with the oil groove (422);
the oil inlet and outlet device assembly (45) is arranged in one threaded hole II in the B oil cylinder rear cover (42), two pressure regulator assemblies (44) are symmetrically arranged in the threaded hole II opposite to two sides of the B oil cylinder rear cover (42), and the reverse thrust booster assembly (43) is arranged in the threaded hole II opposite to the oil inlet and outlet device assembly (45) in the B oil cylinder rear cover (42).
The reverse thrust booster assembly (43) comprises a booster cylinder body (431), a spring fixing plug (432), a compression spring I (433), a boosting piston (434) and a boosting plunger (436);
the cylinder body (431) of the supercharger is a cylindrical hollow cylinder body, a section of external thread is arranged on the outer wall of the cylinder body (431), the cylinder body (431) of the supercharger is coaxially provided with the supercharging plunger (436), the supercharging piston (434), the compression spring I (433) and the spring fixing plug (432) from one end to the other end in sequence along the cylinder inner cavity I of the cylinder body which is axially arranged, the spring fixing plug (432) is fixedly connected with the cylinder inner cavity of the supercharger cylinder body (431) through a thread at one end, one end of the compression spring I (433) is propped against the bottom of a groove at the end part of the spring fixing plug (432), the other end of the compression spring I is propped against the bottom of a groove at the end part of the cylindrical supercharging piston (434), the supercharging piston (434) and the supercharging plunger (436) are in sliding fit with the cylinder inner cavity I, and hydraulic oil is filled in an axial gap between the supercharging piston, the boosting plunger (436) is in a boss shape, a stepped hole corresponding to the boosting plunger (436) is formed in the other end head of the inner cavity of the cylinder body, a flange I of the boosting plunger (436) is limited through the stepped hole, and the boosting plunger (436) is in sliding fit with the stepped hole; an exhaust hole (437) is formed in the side wall of the supercharger cylinder body (431) corresponding to the edge of the step end face of the stepped hole; the reverse thrust supercharger assembly (43) arranged in the threaded hole II is in threaded connection through a section of external thread arranged on the outer wall of the supercharger cylinder body (431); one end of a stepped hole of the supercharger cylinder body (431) is inserted into the two inner ends of the threaded hole and is communicated with the oil through hole (423) to be filled with hydraulic oil.
The pressure regulator assembly (44) comprises a pressure regulator cylinder body (441), a spring adjusting screw plug (442), a second compression spring (443) and a pressure regulating plunger (444), wherein the pressure regulating plunger (444) is integrally formed by connecting one end of the second flange at the middle part with a guide column and connecting the other end with a sliding column;
the pressure regulator cylinder body (441) is a cylindrical hollow cylinder body, the outer wall of the pressure regulator cylinder body (441) is provided with a section of external thread, the pressure regulating plunger (444), the second compression spring (443) and the spring adjusting screw plug (442) are coaxially arranged in the cylinder body inner cavity II of the pressure regulator cylinder body (441) along the axial direction from one end to the other end in sequence, the spring adjusting screw plug (442) is fixedly connected with one end of the inner cavity of the pressure regulator cylinder body (441) through threads, one end of the second compression spring (443) is sleeved on a section of integrally formed cylindrical boss extending out of the end of the spring adjusting screw plug (442), the other end of the second compression spring (443) is sleeved on the cylindrical guide post and limited by the two end faces of the flange, and the second flange is limited by the step of the gradually-reduced hole wall at the other end of the second cylinder inner cavity; the second flange and the sliding column are in sliding fit with the second cylinder inner cavity; the pressure regulator assembly (44) in the second threaded hole is in threaded connection with the outer wall of the pressure regulator cylinder body (441) through a section of external threads; the pressure regulating plunger (444) one end of pressure regulator assembly (44) inserts two inner ends of screw hole, preceding pressure regulating plunger (444) pressure regulator cylinder body (441) inner chamber with hydraulic oil is filled in oil through hole (423) intercommunication.
The oil inlet and outlet assembly (45) comprises a one-way valve body (451), a steel ball (452), a compression spring III (453), a spring seat (454), a circlip for a hole (455) and a threaded connecting sleeve (456);
the steel ball (452), the compression spring III (453) and the spring seat (454) are sequentially arranged in a through guide hole III axially formed in the check valve body (451), one end of the compression spring III (453) abuts against the steel ball (452) to seal a necking-shaped oil inlet of the check valve body (451), the other end of the compression spring III (453) abuts against the spring seat (454), the spring seat (454) is limited by an elastic check ring (455) through holes formed in the inner wall of the guide hole III, an outer sleeve of the threaded connecting sleeve (456) is fixed at one end of an oil outlet of the check valve body (451) in a threaded mode, and a section of external thread is arranged on the outer wall of the threaded connecting sleeve (456); the oil inlet and outlet device is characterized in that a through hole is formed in the middle of the spring seat (454) and is communicated with the third guide hole and an inner hole of the threaded connecting sleeve (456), the oil inlet and outlet device assembly (45) is arranged in the second threaded hole and is in threaded connection with the second threaded hole through an external thread of the threaded connecting sleeve (456), a necking-shaped oil inlet of the check valve body (451) is connected with an external oil conveying pipeline (8), the threaded connecting sleeve (456) is inserted into the second threaded hole, and the inner hole of the threaded connecting sleeve (456) is communicated with the oil through hole (423).
And a Y-shaped sealing ring (5) for a shaft is arranged between the annular boss type piston (411) and the annular groove type piston cavity (421) and is positioned in an annular groove of the annular boss type piston (411) or the annular groove type piston cavity (421).
A plurality of O-shaped sealing rings (6) are arranged in annular grooves formed in the outer walls of the pressurizing piston (434), the pressurizing plunger (436) and the pressure regulating plunger (444) to seal with the inner cavity of each cylinder.
After the oil groove (422) is filled with pressure oil, the first compression spring (433), the second compression spring (443) and the third compression spring (453) are all in a return state.
Hydraulically clamping booster (4) are passed through behind A hydro-cylinder protecgulum (41), the B hydro-cylinder lid (42) along the centre bore that runs through of axial setting cup joint main shaft sliding fit, hydraulically clamping booster (4) both sides be equipped with brake block (7) on A hydro-cylinder protecgulum (41), the B hydro-cylinder lid (42) terminal surface with saw bit (2) and clamp nut (3) contact surface rise tight or friction fit, clamp nut (3) are in hydraulically clamping booster (4) outer end locking.
The rotation direction of the stone machine spindle (1) is opposite to the thread direction of the clamping nut (3); namely, the main shaft (1) of the stone machine rotates clockwise to be positive rotation, and the clamping nut (3) is negative tooth; the stone machine spindle (1) rotates anticlockwise to reverse, and the clamping nut (3) is orthodontic.
The utility model has the advantages as follows:
the hydraulic clamping booster is put into only needing to hang the saw bit, and original spanner is slightly tightened on the screw in nut cover, and the machine does not receive vibrations, then connects outside hydraulic system and pressurizes, and hydraulic clamping booster reaches clamping pressure, tears the business turn over hydraulic fluid port open, can play the pressurize effect. The hydraulic clamping booster is arranged on the main shaft of the stone machine between the saw blade and the nut, and the hydraulic clamping booster is used for boosting and tensioning the saw blade and the nut along the axial direction and locking the saw blade. If pressure relief exists, a hydraulic clamping booster consisting of the front cover of the oil cylinder A and the rear cover of the oil cylinder B automatically adjusts the tension force through a reverse thrust booster assembly, and the pressure is not reduced too much; the pressure regulator assembly manually regulates pressure, adjusts the tension force, and achieves the purpose of pressure maintaining and looseness prevention. When the main shaft rotates forwards, the nut adopts reverse teeth to generate reverse locking, if pressure is relieved, the saw blade can slide between the main shaft and the clamping nut, and the nut is locked reversely under the action of the brake shoe. The saw blade can be clamped tightly by double insurance without worrying about pressure release in midway, and the saw blade loosening prevention effect is very good.
Description of the drawings:
fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the position a of fig. 1 according to the present invention.
Fig. 3 is a schematic view of the utility model shown in fig. 1 from direction K.
Fig. 4 is a schematic diagram of a partial cross section of the hydraulic clamping booster of the present invention.
Fig. 5 is a sectional view taken along line a-a of fig. 4 according to the present invention.
Fig. 6 is a sectional view taken along line B-B of fig. 5 according to the present invention.
Fig. 7 is a C-C sectional view of fig. 5 of the present invention.
Fig. 8 is the structural schematic diagram of the front cover of the cylinder a of the present invention.
Fig. 9 is the utility model discloses thrust reverser assembly half-section schematic diagram.
Fig. 10 is a schematic diagram of a half-section of the voltage regulator assembly of the present invention.
Fig. 11 is a schematic view of a half-section of the oil inlet/outlet assembly of the present invention.
Reference numerals:
1-stone machine spindle, 2-saw blade, 3-clamping nut, 4-hydraulic clamping booster, 41-A oil cylinder front cover, 411-annular boss type piston, 421-annular groove type piston cavity, 422-oil groove, 423-oil through hole, 424-positioning screw, 42-B oil cylinder rear cover, 43-reverse thrust booster assembly, 431-booster cylinder body, 432-spring fixed plug, 433-compression spring I, 434-booster piston, 436-booster plunger, 437-exhaust hole, 438-hydraulic oil cavity, 44-pressure regulator assembly, 441-pressure regulator cylinder body, 442-spring adjusting screw plug, 443-compression spring II, 444-pressure regulating plunger, 45-oil inlet and outlet device assembly, 451-one-way valve body, 452-steel ball, 453-compression spring III, 454-spring seat, 455-elastic retainer ring for hole, 456-threaded connecting sleeve, 5-Y-shaped sealing ring for shaft, 6-O-shaped sealing ring, 7-brake pad and 8-oil pipeline
The specific implementation mode is as follows:
the following describes the embodiments of the present invention with reference to the accompanying drawings.
A clamping power assisting device for saw blades of a main shaft box of a stone machine comprises a main shaft 1 of the stone machine, saw blades 2 arranged on the main shaft 1 of the stone machine, clamping nuts 3 for axially fastening the saw blades 2 along the main shaft 1 of the stone machine, and a hydraulic clamping power assisting device 4, wherein the hydraulic clamping power assisting device 4 is arranged on the main shaft 1 of the stone machine between the saw blades 2 and the clamping nuts 3, and the hydraulic clamping power assisting device 4 comprises a front cover 41 of an oil cylinder A, a rear cover 42 of an oil cylinder B, a thrust booster assembly 43, a pressure regulator assembly 44 and an oil inlet and outlet assembly 45;
the front cover 41 of the oil cylinder A and the rear cover 42 of the oil cylinder B are both revolution bodies which are axially provided with through center holes, an annular boss type piston 411 which is arranged on the end surface of the front cover 41 of the oil cylinder A along the circumference is embedded into an annular groove type piston cavity 421 which is arranged on the end surface of the rear cover 42 of the oil cylinder B along the circumference and is in axial sliding fit, a gap between the annular boss type piston 411 and the bottom of the annular groove type piston cavity 421 forms an annular closed oil groove 422, a plurality of axial threaded holes I are uniformly distributed on the end surface of the annular boss type piston 411 along the circumferential direction, an axial positioning hole which corresponds to the threaded hole I is arranged on the inner bottom surface of the annular groove type piston cavity 421 along the circumferential direction, one end of a positioning screw 424 is fixed in the threaded;
four radial threaded holes II are uniformly distributed on the outer ring of the B oil cylinder rear cover 42 along the circumferential surface, and the bottom of each threaded hole II is provided with an oil through hole 423 communicated with the oil groove 422;
the oil inlet and outlet device assembly 45 is arranged in one threaded hole II in the B oil cylinder rear cover 42, two pressure regulator assemblies 44 are symmetrically arranged in the threaded hole II opposite to two sides of the B oil cylinder rear cover 42, and the reverse thrust booster assembly 43 is arranged in the threaded hole II opposite to the oil inlet and outlet device assembly 45 in the B oil cylinder rear cover 42.
The reverse thrust booster assembly 43 comprises a booster cylinder 431, a spring fixing plug 432, a first compression spring 433, a boosting piston 434 and a boosting plunger 436;
the cylinder body 431 of the supercharger is a cylindrical hollow cylinder body, a section of external thread is arranged on the outer wall of the cylinder body 431 of the supercharger, the cylinder body 431 of the supercharger is coaxially provided with the supercharging plunger 436, the supercharging piston 434, the first compression spring 433 and the spring fixing plug 432 from one end to the other end in sequence in a cylinder inner cavity I which is arranged along the axial direction, the spring fixing plug 432 is fixedly connected with the cylinder inner cavity of the cylinder body 431 by one end thread, one end of the first compression spring 433 is propped against the bottom of a groove at the end part of the spring fixing plug 432, the other end of the first compression spring is propped against the bottom of a groove at the end part of the cylindrical supercharging piston 434, the supercharging piston 434 and the supercharging plunger 436 are in sliding fit with the cylinder inner cavity I, an axial gap between the supercharging piston 434 and the supercharging plunger 436 is filled with hydraulic oil, the supercharging plunger 436 is in a boss shape, and the other end of the cylinder inner, the flange of the booster plunger 436 is limited by the stepped hole, and the booster plunger 436 is in sliding fit with the stepped hole; the side wall of the supercharger cylinder body 431 corresponding to the step end face edge of the stepped hole is provided with an exhaust hole 437; the reverse thrust supercharger assembly 43 arranged in the threaded hole II is in threaded connection through a section of external thread arranged on the outer wall of the supercharger cylinder body 431; one end of a stepped hole of the supercharger cylinder body 431 is inserted into the two inner ends of the threaded hole and is communicated with the oil through hole 423 to be filled with hydraulic oil.
The pressure regulator assembly 44 comprises a pressure regulator cylinder 441, a spring adjusting screw plug 442, a second compression spring 443 and a pressure regulating plunger 444, wherein the pressure regulating plunger 444 is integrally formed by connecting one end of a second flange at the middle part with a guide column and connecting the other end with a sliding column;
the pressure regulator cylinder body 441 is a cylindrical hollow cylinder body, a section of external threads are arranged on the outer wall of the pressure regulator cylinder body 441, the pressure regulating plunger 444, a second compression spring 443 and a spring adjusting screw plug 442 are coaxially arranged in a cylinder body inner cavity II axially arranged along the pressure regulator cylinder body 441 from one end to the other end in sequence, the spring adjusting screw plug 442 is fixedly connected with one end of the inner cavity II of the pressure regulator cylinder body 441 through threads, one end of the second compression spring 443 is sleeved on a section of integrally formed cylindrical boss extending out of the end of the spring adjusting screw plug 442, the other end of the second compression spring 443 is sleeved on the cylindrical guide column and is limited by two end faces of the flange, and the second flange is limited by a step of a gradually-reduced hole wall at the other end of the cylinder body inner cavity; the second flange and the sliding column are in sliding fit with the second cylinder inner cavity; the pressure regulator assembly 44 in the second threaded hole is in threaded connection with the outer wall of the pressure regulator cylinder 441 through a section of external threads; one end of a pressure regulating plunger 444 of the pressure regulator assembly 44 is inserted into the inner end of the threaded hole, and hydraulic oil is filled in the inner cavity of the pressure regulator cylinder body 441 and the oil through hole 423 in front of the pressure regulating plunger 444.
The oil inlet and outlet assembly 45 comprises a one-way valve body 451, a steel ball 452, a compression spring three 453, a spring seat 454, a circlip for hole 455 and a threaded connecting sleeve 456;
the steel ball 452, the compression spring 453 and the spring seat 454 are sequentially arranged in a through guide hole III axially formed in the check valve body 451, one end of the compression spring 453 abuts against the steel ball 452 to block a necking-shaped oil inlet of the check valve body 451, the other end of the compression spring 453 abuts against the spring seat 454, the spring seat 454 is limited by an elastic check ring 455 through the hole formed in the inner wall of the guide hole III, the outer sleeve of the threaded connecting sleeve 456 is fixed at one end of the oil outlet of the check valve body 451 in a threaded manner, and a section of external thread is formed in the outer wall of the threaded connecting sleeve 456; the middle of the spring seat 454 is provided with a through hole communicated with the third guide hole and the inner hole of the threaded connecting sleeve 456, the oil inlet and outlet assembly 45 is arranged in the second threaded hole, the threaded connecting sleeve 456 is in threaded connection with the second threaded hole through the external thread of the threaded connecting sleeve 456, the necking-shaped oil inlet of the check valve body 451 is connected with an external oil conveying pipeline 8, the threaded connecting sleeve 456 is inserted into the second threaded hole, and the inner hole of the threaded connecting sleeve 456 is communicated with the oil through hole 423.
A Y-shaped sealing ring 5 for shaft is arranged between the annular boss type piston 411 and the annular groove type piston chamber 421, and is located in an annular groove of the annular boss type piston 411 or the annular groove type piston chamber 421.
A plurality of O-shaped sealing rings 6 are arranged in annular grooves arranged on the outer walls of the pressurizing piston 434, the pressurizing plunger 436 and the pressure regulating plunger 444 to seal with the inner cavity of each cylinder.
After the oil groove 422 is filled with pressure oil, the first compression spring 433, the second compression spring 443 and the third compression spring 453 are all in a return state.
The rotation direction of the main shaft 1 of the stone machine is opposite to the thread direction of the clamping nut 3; namely, the main shaft 1 of the stone machine rotates clockwise to be positive rotation, and the clamping nut 3 is negative tooth; the stone machine spindle 1 rotates anticlockwise to reverse, and the clamping nut 3 is orthodontic.
The hydraulic clamping booster greatly shortens the time of traditional nut tightening, the time calculation of one set of multi-blade saw nut is normally tightened, the product can improve the benefit by more than ten times, only the saw blade needs to be hung to put into the product, the original wrench is slightly tightened on the screw-in nut sleeve, the machine is not vibrated, then the external hydraulic system is connected for pressurization, the clamping pressure is reached, the oil inlet and outlet pipe is detached, the product can play a pressure maintaining role, if slight pressure relief exists, the product is provided with an automatic pressurization valve to ensure that the pressure is not reduced too much, and the required pressure can be exceeded during pressurization of the product, and a pressure regulating valve component and the like are arranged. If there is the decompression, with the hexagon socket screw of torque wrench transfer pressure-regulating valve, torque wrench can set for the dynamics, and the main shaft turns to the optional levogyration dextrorotation and is confirmed according to the use place, and the main shaft clockwise rotation is called corotation clamp nut and is anti-tooth, and anticlockwise rotation is called anti-corotation clamp nut and is the orthotooth, and this product B cylinder body wainscot has the brake material, faces the saw bit, if there is the pressure release, the machine has automatic anti-skidding to press from both sides when rotating the work. The A cylinder body veneer also has the brake material and faces clamping nut, and the AB cylinder body has the location synchronous, has if the pressure release main shaft rotates to have the saw bit slip to produce the back lock with clamping nut, is not afraid of midway pressure release, and this product plays dual insurance and presss from both sides tight saw bit.
The working principle is as follows:
the hydraulic clamping booster is slightly fastened along the axial direction through a clamping nut, then the oil outlet assembly is connected with an external hydraulic system to add oil and pressurize the inside of a hydraulic cylinder body, the AB cylinder expands and extends to achieve clamping pressure, an oil inlet and outlet pipe is disassembled to ensure that fine relative motion can be generated between the front cover of the oil cylinder A and the rear cover of the oil cylinder B along the axial direction, when a saw blade is loosened, the front cover of the oil cylinder A and the rear cover of the oil cylinder B move relatively, the inside of the hydraulic cylinder body is slightly decompressed, a compression spring in the thrust reverser booster assembly pushes a booster plunger to automatically compensate pressure drop in the hydraulic cylinder body, the pressure in the hydraulic cylinder body is ensured not to be reduced too much, meanwhile, a spring in the pressure regulator assembly can be adjusted through a spanner to adjust a screw plug, and the pressure regulating;
if the pressure relief inside the hydraulic cylinder body exceeds the adjusting range of the reverse thrust booster assembly and the pressure regulator assembly, the main shaft of the stone machine rotates forwards and the reverse nut generates reverse locking, and the nut is locked reversely through the brake block along the axial direction to fasten the saw blade, so that double safety is achieved and the saw blade is clamped.
Claims (7)
1. A clamping power assisting device for saw blades of a main shaft box of a stone machine comprises a main shaft (1) of the stone machine, the saw blades (2) arranged on the main shaft (1) of the stone machine and a clamping nut (3) for fastening the saw blades (2) along the axial direction of the main shaft (1) of the stone machine, and is characterized in that,
the stone machine tool is characterized by further comprising a hydraulic clamping booster (4), wherein the hydraulic clamping booster (4) is arranged on the stone machine spindle (1) between the saw blade (2) and the clamping nut (3), and the hydraulic clamping booster (4) comprises an A oil cylinder front cover (41), a B oil cylinder rear cover (42), a reverse thrust booster assembly (43), a pressure regulator assembly (44) and an oil inlet and outlet assembly (45);
the oil cylinder front cover (41) and the oil cylinder rear cover (42) are both rotary bodies which are axially provided with through center holes, annular boss type pistons (411) which are circumferentially arranged on the end surface of the oil cylinder front cover (41) are embedded into annular groove type piston cavities (421) which are circumferentially arranged on the end surface of the oil cylinder rear cover (42) and are axially matched in a sliding manner, gaps between the annular boss type pistons (411) and the bottoms of the annular groove type piston cavities (421) form annular closed oil grooves (422), a plurality of axial screw holes I are uniformly distributed on the end surface of the annular boss type pistons (411) along the circumferential direction, axial positioning holes corresponding to the screw holes I are arranged on the inner bottom surface of the annular groove type piston cavities (421) along the circumferential direction, one end of each positioning screw (424) is fixed in the screw hole I in a threaded manner, and the other end of each positioning screw is inserted into the;
four radial threaded holes II are uniformly distributed in the outer ring of the oil cylinder rear cover (42) B along the circumferential surface, and the bottom of each threaded hole II is provided with an oil through hole (423) communicated with the oil groove (422);
the oil inlet and outlet device assembly (45) is arranged in one threaded hole II in the B oil cylinder rear cover (42), two pressure regulator assemblies (44) are symmetrically arranged in the threaded hole II opposite to two sides of the B oil cylinder rear cover (42), and the reverse thrust booster assembly (43) is arranged in the threaded hole II opposite to the oil inlet and outlet device assembly (45) in the B oil cylinder rear cover (42).
2. The clamping power assisting device for the saw blade of the spindle box of the stone machine as claimed in claim 1, wherein the thrust reverser booster assembly (43) comprises a booster cylinder (431), a spring fixing plug (432), a compression spring I (433), a booster piston (434) and a booster plunger (436);
the cylinder body (431) of the supercharger is a cylindrical hollow cylinder body, a section of external thread is arranged on the outer wall of the cylinder body (431), the cylinder body (431) of the supercharger is coaxially provided with the supercharging plunger (436), the supercharging piston (434), the compression spring I (433) and the spring fixing plug (432) from one end to the other end in sequence along the cylinder inner cavity I of the cylinder body (431), the spring fixing plug (432) is fixedly connected with the cylinder inner cavity of the supercharger cylinder body (431) through a thread at one end, one end of the compression spring I (433) is propped against the bottom of a groove at the end part of the spring fixing plug (432), the other end of the compression spring I is propped against the bottom of a groove at the end part of the cylindrical supercharging piston (434), the supercharging piston (434) and the supercharging plunger (436) are in sliding fit with the cylinder inner cavity I, and hydraulic oil is filled in an axial gap between the supercharging piston (434), the boosting plunger (436) is in a boss shape, a stepped hole corresponding to the boosting plunger (436) is formed in the other end head of the inner cavity of the cylinder body, a flange I of the boosting plunger (436) is limited through the stepped hole, and the boosting plunger (436) is in sliding fit with the stepped hole; an exhaust hole (437) is formed in the side wall of the supercharger cylinder body (431) corresponding to the edge of the step end face of the stepped hole; the reverse thrust supercharger assembly (43) arranged in the threaded hole II is in threaded connection through a section of external thread arranged on the outer wall of the supercharger cylinder body (431); one end of a stepped hole of the supercharger cylinder body (431) is inserted into the inner ends of the two threaded holes and is communicated with the oil through hole (423) to be filled with hydraulic oil;
a plurality of O-shaped sealing rings (6) are arranged in annular grooves formed in the outer walls of the pressurizing piston (434) and the pressurizing plunger (436) and are sealed with the inner cavity of each cylinder body;
and after the oil groove (422) is filled with pressure oil, the first compression spring (433) is in a return state.
3. The clamping power assisting device for the saw blade of the spindle box of the stone machine as claimed in claim 1, wherein the pressure regulator assembly (44) comprises a pressure regulator cylinder body (441), a spring adjusting screw plug (442), a second compression spring (443) and a pressure regulating plunger (444), and the pressure regulating plunger (444) is integrally formed by connecting two ends of a flange in the middle part with a sliding column connected with one end of a guide column and the other end of the guide column;
the pressure regulator cylinder body (441) is a cylindrical hollow cylinder body, the outer wall of the pressure regulator cylinder body (441) is provided with a section of external thread, the pressure regulating plunger (444), the second compression spring (443) and the spring adjusting screw plug (442) are coaxially arranged in the cylinder body inner cavity II of the pressure regulator cylinder body (441) along the axial direction from one end to the other end in sequence, the spring adjusting screw plug (442) is fixedly connected with one end of the inner cavity of the pressure regulator cylinder body (441) through threads, one end of the second compression spring (443) is sleeved on a section of integrally formed cylindrical boss extending out of the end of the spring adjusting screw plug (442), the other end of the second compression spring (443) is sleeved on the cylindrical guide post and limited by the two end faces of the flange, and the second flange is limited by the step of the gradually-reduced hole wall at the other end of the second cylinder inner cavity; the second flange and the sliding column are in sliding fit with the second cylinder inner cavity; the pressure regulator assembly (44) in the second threaded hole is in threaded connection with the outer wall of the pressure regulator cylinder body (441) through a section of external threads; one end of a pressure regulating plunger (444) of the pressure regulator assembly (44) is inserted into the two inner ends of the threaded hole, and the inner cavity of the pressure regulator cylinder body (441) in front of the pressure regulating plunger (444) is communicated with the oil through hole (423) to be filled with hydraulic oil;
a plurality of O-shaped sealing rings (6) are arranged in an annular groove formed in the outer wall of the pressure regulating plunger (444) and are sealed with the inner cavity of each cylinder body;
and the second compression spring (443) is in a return state after the oil groove (422) is filled with pressure oil.
4. The clamping power assisting device for the saw blade of the main shaft box of the stone machine is characterized in that the oil inlet and outlet assembly (45) comprises a one-way valve body (451), a steel ball (452), a compression spring III (453), a spring seat (454), a circlip for a hole (455) and a threaded connecting sleeve (456);
the steel ball (452), the compression spring III (453) and the spring seat (454) are sequentially arranged in a through guide hole III axially formed in the check valve body (451), one end of the compression spring III (453) abuts against the steel ball (452) to seal a necking-shaped oil inlet of the check valve body (451), the other end of the compression spring III (453) abuts against the spring seat (454), the spring seat (454) is limited by an elastic check ring (455) through holes formed in the inner wall of the guide hole III, an outer sleeve of the threaded connecting sleeve (456) is fixed at one end of an oil outlet of the check valve body (451) in a threaded mode, and a section of external thread is arranged on the outer wall of the threaded connecting sleeve (456); a through hole is formed in the middle of the spring seat (454) and is communicated with the third guide hole and an inner hole of the threaded connecting sleeve (456), the oil inlet and outlet assembly (45) is arranged in the second threaded hole and is in threaded connection with the second threaded hole through an external thread of the threaded connecting sleeve (456), a necking-shaped oil inlet of the check valve body (451) is connected with an external oil conveying pipeline (8), the threaded connecting sleeve (456) is inserted into the second threaded hole, and the inner hole of the threaded connecting sleeve (456) is communicated with the oil through hole (423);
and the third compression spring (453) is in a return state after the oil groove (422) is filled with pressure oil.
5. The clamping power assisting device for the saw blade of the spindle box of the stone machine is characterized in that a shaft Y-shaped sealing ring (5) is arranged between the annular boss type piston (411) and the annular groove type piston cavity (421) and is positioned in an annular groove of the annular boss type piston (411) or the annular groove type piston cavity (421).
6. The clamping power assisting device for the saw blade of the spindle box of the stone machine as claimed in claim 1, wherein the hydraulic clamping power assisting device (4) is sleeved with the spindle in a sliding fit manner through the axially arranged through center holes of the a cylinder front cover (41) and the B cylinder rear cover (42), the brake shoes (7) arranged on the end surfaces of the a cylinder front cover (41) and the B cylinder rear cover (42) on the two sides of the hydraulic clamping power assisting device (4) are in tight fit with the contact surfaces of the saw blade (2) and the clamping nut (3) in a friction fit manner, and the clamping nut (3) is locked at the outer end of the hydraulic clamping power assisting device (4).
7. The clamping assistance device for saw blades of main spindle boxes of stone machines as claimed in claim 1, characterized in that said stone machine main spindle (1) rotates in a direction opposite to the threading direction of said clamping nut (3); namely, the main shaft (1) of the stone machine rotates clockwise to be positive rotation, and the clamping nut (3) is negative tooth; the stone machine spindle (1) rotates anticlockwise to reverse, and the clamping nut (3) is orthodontic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920370108.8U CN210082113U (en) | 2019-03-22 | 2019-03-22 | Stone machine headstock saw bit presss from both sides tight booster unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920370108.8U CN210082113U (en) | 2019-03-22 | 2019-03-22 | Stone machine headstock saw bit presss from both sides tight booster unit |
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| Publication Number | Publication Date |
|---|---|
| CN210082113U true CN210082113U (en) | 2020-02-18 |
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| CN201920370108.8U Active CN210082113U (en) | 2019-03-22 | 2019-03-22 | Stone machine headstock saw bit presss from both sides tight booster unit |
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| CN (1) | CN210082113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109747053A (en) * | 2019-03-22 | 2019-05-14 | 蔡崇友 | A kind of stone material machine spindle box saw blade clamping power assisting device |
-
2019
- 2019-03-22 CN CN201920370108.8U patent/CN210082113U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109747053A (en) * | 2019-03-22 | 2019-05-14 | 蔡崇友 | A kind of stone material machine spindle box saw blade clamping power assisting device |
| CN109747053B (en) * | 2019-03-22 | 2023-08-15 | 蔡崇友 | Clamping booster unit of stone material machine headstock saw bit |
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| GR01 | Patent grant | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20220630 Address after: 362000 Wuliqiao Industrial Zone, Shuitou Town, Nan'an City, Quanzhou City, Fujian Province Patentee after: Nan'an Fengyuan Machinery Co.,Ltd. Address before: No.134, Hongjiang East Road, Anhai Town, Jinjiang City, Quanzhou City, Fujian Province 362261 Patentee before: Cai Chongyou Patentee before: Cai Shangyi |
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| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address |
Address after: No. 36 Chuangxing Road, Anhai Town, Jinjiang City, Quanzhou City, Fujian Province, 362200 Patentee after: Jinjiang Fengyuan Machinery Co.,Ltd. Address before: 362000 Wuliqiao Industrial Zone, Shuitou Town, Nan'an City, Quanzhou City, Fujian Province Patentee before: Nan'an Fengyuan Machinery Co.,Ltd. |
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| CP03 | Change of name, title or address |