CN114770221A

CN114770221A - Fault detection system and method for numerical control automation equipment

Info

Publication number: CN114770221A
Application number: CN202210480925.5A
Authority: CN
Inventors: 许金莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-05
Filing date: 2022-05-05
Publication date: 2022-07-22

Abstract

The invention discloses a system and a method for detecting faults of numerical control automation equipment, and belongs to the technical field of equipment fault detection. A fault detection system of a numerical control automation device comprises two support frames, wherein moving blocks are connected to the two support frames in a sliding mode, a reciprocating lead screw is connected between the two moving blocks in a rotating mode, a driving source used for driving the reciprocating lead screw to rotate is arranged in one of the moving blocks, a moving sleeve is sleeved on the reciprocating lead screw, the bottom of the moving sleeve is connected with a detector, and the moving sleeve is connected with an air blowing plate through a support plate; the invention can comprehensively detect the machine tool, and avoids the detection result from error caused by position deviation caused by manual holding detection; meanwhile, impurity and dust adhered to the machine tool can be removed when the machine tool is detected, so that the production quality of parts is ensured; and effectively reduced staff's the amount of labour, improved work efficiency.

Description

Fault detection system and method for numerical control automation equipment

Technical Field

The invention relates to the technical field of fault detection of numerical control equipment, in particular to a fault detection system and a fault detection method of numerical control automation equipment.

Background

The numerical control automation equipment is widely applied, and the adopted automation equipment not only can liberate people from heavy physical labor, partial mental labor and severe and dangerous working environments, but also can expand the functions of human organs and greatly improve the labor productivity. With the development of modern production and the progress of scientific technology, the mechanism of numerical control automation equipment is more and more complex, the automation degree is higher and higher, and due to the influence of a large number of unavoidable factors, various accidental faults or equipment faults frequently occurring in production sometimes occur to the equipment, and the faults generally need to be maintained by professional technicians.

When a workpiece is machined and produced by the existing automatic numerical control machine tool, the machine tool needs to be detected before the workpiece is used, so that all produced parts are prevented from becoming waste due to machine tool faults, most of the existing detection modes adopt an ultrasonic detection instrument to move above the machine tool for detection, but the existing ultrasonic detection instrument is held by manpower when moving, a detection track cannot be fixed, and the situation that detection errors occur due to the fact that the position which needs to be detected deviates can occur; meanwhile, the dust on the outer side is required to be cleaned before the machine tool runs, so that the production quality of parts is prevented from being influenced, the labor amount of workers is large, and the working efficiency is low.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provides a fault detection system and a fault detection method for numerical control automation equipment.

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

the utility model provides a numerical control automation equipment fault detection system, includes two support frames, two equal sliding connection has the movable block on the support frame, two rotate between the movable block and be connected with reciprocal lead screw, one of them be provided with in the movable block and be used for driving the rotatory driving source of reciprocal lead screw, the cover is equipped with the traveling sleeve on the reciprocal lead screw, the bottom of traveling sleeve is connected with the detector, there is the board of blowing through the extension board connection on the traveling sleeve, be provided with on the support frame and be used for driving the gliding running gear of movable block on the support frame, be provided with on the movable block and be used for driving the actuating mechanism of running gear work, be provided with the air duct between actuating mechanism and the board of blowing.

Preferably, the driving mechanism comprises a U-shaped plate fixedly arranged on the moving block, one end, away from the moving block, of the U-shaped plate is connected with a housing, a moving pipe is connected in the housing in a sliding manner, a limiting component used for limiting displacement of the moving pipe is arranged on the housing, a piston is connected in the moving pipe in a sliding manner, a first elastic element is arranged between the piston and the inner wall of the moving pipe, one side, away from the first elastic element, of the piston is connected with a push rod, and the push rod is movably abutted to the moving sleeve.

Preferably, the limiting assembly comprises a fixing block fixedly arranged on the shell, a fixing groove is formed in the fixing block, a limiting block is connected in the fixing groove in a sliding mode, a second elastic element is arranged between the limiting block and the inner wall of the fixing groove, the limiting block is movably abutted to the moving pipe, and an inclined plane is arranged at the bottom of the limiting block.

Preferably, a sliding groove is formed in the inner wall of the shell, a sliding block is connected in the sliding groove in a sliding mode, a third elastic element is arranged between the sliding block and the inner wall of the sliding groove, and the sliding block is connected with the moving pipe.

Preferably, an air inlet valve and an air outlet valve are arranged on the moving pipe, the air outlet valve is connected with the air guide pipe, a closed cavity is arranged in the air blowing plate, the closed cavity is communicated with the air guide pipe, air outlet holes which are uniformly distributed are further formed in the air blowing plate, and the air outlet holes are connected with the closed cavity.

Preferably, the traveling mechanism comprises a traveling assembly and a transmission assembly, the traveling assembly comprises a first rotating shaft and a second rotating shaft which are rotatably connected to the support frame, synchronizing wheels are arranged on the first rotating shaft and the second rotating shaft respectively, a synchronous belt is arranged between the two synchronizing wheels, teeth which are uniformly distributed are arranged on the synchronous belts, and a first rack which is meshed with the teeth and connected with the teeth is arranged at the bottom of the moving block.

Preferably, the transmission assembly comprises fixing plates fixedly arranged on two sides of the support frame, a rotating rod is rotatably connected between the fixing plates, a gear shaft is arranged on the rotating rod, a second rack meshed with the gear shaft is arranged on the movable pipe, the transmission assembly further comprises a supporting block arranged on the support frame, a rotating shaft is rotatably connected in the supporting block, a first bevel gear and a second bevel gear are respectively arranged at two ends of the rotating shaft, a driven bevel gear meshed with the second bevel gear is arranged on the first rotating shaft, and two bevel gear pieces alternately meshed with the first bevel gear are arranged on the rotating rod.

Preferably, the bevel gear part comprises a sleeve fixedly arranged on the rotating rod, a driving bevel gear is movably connected to the sleeve, a groove is formed in the sleeve, a blocking piece is connected to the inside of the groove through a rotating shaft, a torsional spring is sleeved on the rotating shaft, and a clamping groove matched with the blocking piece is formed in the driving bevel gear.

Preferably, a sliding groove is formed in the support frame, a sliding block is connected in the sliding groove in a sliding mode, and the sliding block is fixedly connected with the moving block.

The invention also discloses a detection method of the fault detection system of the numerical control automation equipment, which comprises the following steps:

s1: when the detector is used, the detector is fixedly arranged on the movable sleeve, then the support frame is placed above a machine tool, the driving source in the movable block is controlled to work, the output end of the driving source drives the reciprocating screw rod to rotate between the two movable blocks, so that the movable sleeve moves on the reciprocating screw rod, the movable sleeve automatically moves back when moving to the end part of the reciprocating screw rod under the condition that the rotating direction of the driving source is not changed, the movable sleeve moves back and forth on the reciprocating screw rod, and the transverse position of the machine tool is detected;

s2: in the process that the movable sleeve moves on the reciprocating screw rod, the movable sleeve acts on the push rod, and because the stiffness coefficient of the first elastic element is smaller than that of the second elastic element, the first elastic element deforms first, so that the push rod drives the piston to slide in the movable tube, the piston discharges air in the movable tube into the air blowing plate through the air outlet valve and the air guide tube, and dust and impurities on a machine tool are blown away through the air outlet hole formed in the air blowing plate;

s3: when the first elastic element is compressed to the limit, the push rod drives the movable pipe to move integrally along with the continuous pushing of the push rod, so that the movable pipe presses against the inclined surface of the limit block, the limit block moves upwards, the second elastic element is extruded, the end part of the movable pipe crosses the limit block, the movable sleeve moves to the end part of the reciprocating screw rod to move backwards, the movable pipe crossing the limit block pops out instantly under the elastic action of the first elastic element when the push rod is still in contact with the movable sleeve due to the fact that the movable pipe is not limited, the third elastic element is extruded, a second rack at the bottom is meshed with a gear shaft on the rotating rod when the movable pipe pops out, the gear shaft rotates to enable a bevel gear piece on the rotating rod to be meshed with a first bevel gear on the rotating shaft, the first bevel gear drives the rotating shaft to rotate, a second bevel gear is meshed with a driven bevel gear on the first rotating shaft, and the first rotating shaft and the second rotating shaft rotate synchronously, teeth on the synchronous belt are clamped with a first rack on the lower side of the moving block, so that the moving block is driven to move in the conveying process of the synchronous belt, and the moving block drives the reciprocating screw rod, the moving sleeve and the detector to move so as to automatically adjust the longitudinal position;

s4: and then the movable sleeve moves back on the reciprocating screw rod, the movable sleeve does not abut against the push rod any more, the movable pipe resets under the pushing of the elastic force of the third elastic element to wait for the next work, and the detector transversely moves and detects at a longitudinal position different from the previous position after the movable sleeve moves back.

Compared with the prior art, the invention provides a system and a method for detecting the fault of numerical control automation equipment, which have the following beneficial effects:

1. according to the fault detection system and the fault detection method for the numerical control automation equipment, the detector is adjusted in the transverse and vertical positions, so that the moving track of the detector is distributed at each position of the machine tool, the machine tool can be comprehensively detected, and the condition that position deviation occurs due to manual holding detection, and detection omission or detection result errors are avoided.

2. According to the fault detection system and the fault detection method for the numerical control automation equipment, in the process of detecting a machine tool through the detector, dust and impurities on the machine tool are blown off through the air outlet holes formed in the air blowing plate, so that the production quality of parts is ensured, the labor amount of workers is effectively reduced, and the working efficiency is improved.

3. According to the system and the method for detecting the fault of the numerical control automation equipment, the two bevel gear pieces are arranged on the rotating rod and are alternately meshed with the first bevel gear, so that the first bevel gear can drive the rotating shaft to rotate in the reverse direction no matter the rotating rod rotates forwards or backwards, the orderliness of longitudinal position adjustment of the detector is guaranteed, and the situation that the second rack is meshed with the gear shaft in a reciprocating mode due to the fact that the second rack moves back and forth to cause the position adjustment of the detector to be repeated and influence the comprehensive detection of the detector on a machine tool is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the driving mechanism of the present invention;

FIG. 3 is a first schematic cross-sectional view of the housing of the present invention;

FIG. 4 is a second cross-sectional view of the housing of the present invention;

FIG. 5 is a schematic view of the walking assembly of the present invention;

FIG. 6 is a schematic structural view of the transmission assembly of the present invention;

fig. 7 is a schematic view of the bevel gear member of the present invention.

In the figure: 1. a support frame; 2. a moving block; 201. a reciprocating screw rod; 202. moving the sleeve; 203. a first rack; 3. a detector; 4. a blowing plate; 5. a gas-guide tube; 6. a U-shaped plate; 7. a housing; 8. moving the tube; 801. a piston; 802. a first elastic element; 803. a push rod; 804. a second rack; 9. a fixed block; 901. fixing grooves; 902. a limiting block; 903. a second elastic element; 10. a chute; 11. a slider; 111. a third elastic element; 12. a first rotating shaft; 121. a driven bevel gear; 13. a second rotating shaft; 14. a synchronizing wheel; 141. a synchronous belt; 1411. teeth; 15. a fixing plate; 16. rotating the rod; 161. a gear shaft; 162. a sleeve; 1621. a baffle plate; 163. a drive bevel gear; 1631. a card slot; 17. a support block; 171. a rotating shaft; 172. a first bevel gear; 173. a second bevel gear; 18. a sliding groove; 181. and (4) a sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other; the specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

The embodiment is as follows:

referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, a system for detecting faults of a numerical control automation device includes two support frames 1, two support frames 1 are all connected with moving blocks 2 in a sliding manner, two moving blocks 2 are connected with a reciprocating lead screw 201 in a rotating manner, one of the moving blocks 2 is provided with a driving source for driving the reciprocating lead screw 201 to rotate, a moving sleeve 202 is sleeved on the reciprocating lead screw 201, the bottom of the moving sleeve 202 is connected with a detector 3, the moving sleeve 202 is connected with an air blowing plate 4 through a support plate, the support frame 1 is provided with a traveling mechanism for driving the moving blocks 2 to slide on the support frames 1, the moving blocks 2 are provided with a driving mechanism for driving the traveling mechanism to work, and an air guide tube 5 is arranged between the driving mechanism and the air blowing plate 4.

Specifically, when the detector 3 is used, the detector 3 is fixedly installed on a movable sleeve 202, then a support frame 1 is placed above a machine tool, a driving source in the movable blocks 2 is controlled to work, an output end of the driving source drives a reciprocating screw rod 201 to rotate between the two movable blocks 2, the movable sleeve 202 moves on the reciprocating screw rod 201, the movable sleeve 202 automatically moves back when moving to the end portion of the reciprocating screw rod 201 under the condition that the rotating direction of the driving source is not changed, in the process, a driving mechanism drives a traveling mechanism to work, the movable blocks 2 are adjusted in the longitudinal position, and the detection range of the detector 3 is adjusted further; meanwhile, impurity and dust adhered to the machine tool can be removed when the machine tool is detected, so that the production quality of parts is ensured; and effectively reduced staff's the amount of labour, improved work efficiency.

Referring to fig. 1, 2, 3 and 4, as a preferred technical solution of the present invention, the driving mechanism includes a U-shaped plate 6 fixedly disposed on the moving block 2, one end of the U-shaped plate 6 away from the moving block 2 is connected with a housing 7, the housing 7 is slidably connected with a moving tube 8, the housing 7 is provided with a limiting component for limiting the displacement of the moving tube 8, the moving tube 8 is slidably connected with a piston 801, a first elastic element 802 is disposed between the piston 801 and the inner wall of the moving tube 8, one side of the piston 801 facing away from the first elastic element 802 is connected with a push rod 803, and the push rod 803 movably abuts against the moving sleeve 202.

Further, the limiting assembly comprises a fixing block 9 fixedly arranged on the shell 7, a fixing groove 901 is formed in the fixing block 9, a limiting block 902 is connected in the fixing groove 901 in a sliding mode, a second elastic element 903 is arranged between the limiting block 902 and the inner wall of the fixing groove 901, the limiting block 902 movably abuts against the moving pipe 8, and an inclined surface is arranged at the bottom of the limiting block 902.

Furthermore, a sliding groove 10 is formed in the inner wall of the shell 7, a sliding block 11 is connected in the sliding groove 10 in a sliding mode, a third elastic element 111 is arranged between the sliding block 11 and the inner wall of the sliding groove 10, and the sliding block 11 is connected with the moving pipe 8.

Specifically, in the process that the movable sleeve 202 moves on the reciprocating screw 201, the movable sleeve 202 applies force to the push rod 803, because the stiffness coefficient of the first elastic element 802 is smaller than that of the second elastic element 903, the first elastic element 802 deforms first, so that the push rod 803 drives the piston 801 to slide in the movable tube 8, when the first elastic element 802 is compressed to the limit, the push rod 803 drives the movable tube 8 to move integrally along with the continued pushing of the push rod 803, so that the movable tube 8 presses against the inclined surface of the limit block 902, the limit block 902 moves upwards, the second elastic element 903 is squeezed, so that the end of the movable tube 8 crosses the limit block 902, at this time, the movable sleeve 202 moves to the end of the reciprocating screw 201 to move back, the movable tube 8 crossing the limit block 902 is not restricted, and when the push rod 803 is still in contact with the movable sleeve 202, the movable tube 8 pops up instantaneously under the elastic force of the first elastic element 802, the third elastic element 111 is extruded, and the traveling mechanism is driven to work when the moving pipe 8 is ejected, so that the detector 3 is automatically adjusted in the longitudinal position, and the automation degree is high.

Referring to fig. 1, 2 and 3, as a preferred technical scheme of the present invention, an air inlet valve and an air outlet valve are arranged on a moving pipe 8, the air outlet valve is connected with an air duct 5, a closed cavity is arranged in a blowing plate 4, the closed cavity is communicated with the air duct 5, and air outlet holes are uniformly distributed on the blowing plate 4 and connected with the closed cavity.

Concretely, the in-process that movable sleeve 202 removed on reciprocal lead screw 201, movable sleeve 202 is to push rod 803 effort, because the stiffness coefficient of first elastic element 802 is less than the stiffness coefficient of second elastic element 903, deformation is taken first to first elastic element 802, make push rod 803 drive piston 801 and slide in removing pipe 8, piston 801 will remove the air in the pipe 8 and discharge into air-blowing plate 4 through air outlet valve and air duct 5, and blow off through the dust impurity on the lathe of the vent hole of seting up on air-blowing plate 4, and then guarantee the production quality of part, and effectively reduced staff's the amount of labour, and the work efficiency is improved.

Referring to fig. 1, 2, 5 and 6, as a preferred technical solution of the present invention, the traveling mechanism includes a traveling assembly and a transmission assembly, the traveling assembly includes a first rotating shaft 12 and a second rotating shaft 13 rotatably connected to the supporting frame 1, the first rotating shaft 12 and the second rotating shaft 13 are both provided with a synchronous wheel 14, a synchronous belt 141 is provided between the two synchronous wheels 14, the synchronous belt 141 is provided with teeth 1411 uniformly distributed, and the bottom of the moving block 2 is provided with a first rack 203 engaged with the teeth 1411.

Further, the transmission assembly comprises fixing plates 15 fixedly arranged on two sides of the support frame 1, a rotating rod 16 is rotatably connected between the two fixing plates 15, a gear shaft 161 is arranged on the rotating rod 16, a second rack 804 meshed with the gear shaft 161 is arranged on the movable pipe 8, the transmission assembly further comprises a supporting block 17 arranged on the support frame 1, a rotating shaft 171 is rotatably connected in the supporting block 17, a first bevel gear 172 and a second bevel gear 173 are respectively arranged at two ends of the rotating shaft 171, a driven bevel gear 121 meshed with the second bevel gear 173 is arranged on the first rotating shaft 12, and two bevel gear pieces alternately meshed with the first bevel gear 172 are arranged on the rotating rod 16.

Specifically, when the moving tube 8 passes through the limiting block 902 and is popped up by the elastic force of the first elastic element 802, the second rack 804 at the bottom is meshed with the gear shaft 161 on the rotating rod 16, the gear shaft 161 rotates and causes the bevel gear part on the rotating rod 16 to be meshed with the first bevel gear 172 on the rotating shaft 171, the first bevel gear 172 drives the rotating shaft 171 to rotate, the second bevel gear 173 is meshed with the driven bevel gear 121 on the first rotating shaft 12, the first rotating shaft 12 and the second rotating shaft 13 rotate synchronously, the teeth 1411 on the synchronous belt 141 are clamped with the first rack 203 on the lower side of the moving block 2, the moving block 2 is driven in the conveying process of the synchronous belt 141 to move, the moving block 2 drives the reciprocating screw rod 201, the moving sleeve 202 and the detector 3 to move, the longitudinal position is automatically adjusted, and the detector 3 is automatically adjusted in the longitudinal position, so that the degree of automation is high.

Referring to fig. 5, 6 and 7, as a preferred technical solution of the present invention, the bevel gear includes a sleeve 162 fixed on the rotating rod 16, the sleeve 162 is movably connected with a driving bevel gear 163, a groove is formed on the sleeve 162, a blocking piece 1621 is connected in the groove through a rotating shaft, a torsion spring is sleeved on the rotating shaft, and a clamping groove 1631 matched with the blocking piece 1621 is formed on the driving bevel gear 163.

Specifically, when the blocking piece 1621 on the sleeve 162 is not engaged with the engaging slot 1631 of the outer driving bevel gear 163, the bevel gear does not work and cannot drive the first bevel gear 172 to rotate, when the blocking piece 1621 on the sleeve 162 is placed in the engaging slot 1631, the sleeve 162 drives the driving bevel gear 163 to synchronously rotate and drive the first bevel gear 172 to rotate, two bevel gear pieces on the rotating rod 16 are oppositely arranged, the two driving bevel gears 163 are both engaged with the first bevel gear 172, but when one driving bevel gear 163 is engaged with the blocking piece 1621 and rotates with the rotating rod 16, the first bevel gear 172 is driven to rotate in an engaging manner, the other driving bevel gear 163 is not engaged with the blocking piece 1621 but rotates freely with the rotation of the first bevel gear 172 connected in an engaging manner, and by rotating the rotating rod 16 in a forward direction and then in a reverse direction, the two bevel gear pieces are alternately engaged with the first bevel gear 172, so that the first bevel gear 172 drives the rotating shaft 171 to rotate in a reverse direction all the time, and then guarantee the orderliness to the adjustment of detector 3 longitudinal position, avoid because the pipe 8 that moves makes a round trip to remove for second rack 804 and gear shaft 161 reciprocal meshing leads to the position control of detector 3 to relapse, and the detection range can not obtain effective adjustment, influences the comprehensive detection of detector 3 to the lathe.

Referring to fig. 1, 2 and 5, as a preferred technical solution of the present invention, a sliding groove 18 is formed on the support frame 1, a sliding block 181 is slidably connected in the sliding groove 18, and the sliding block 181 is fixedly connected with the moving block 2; specifically, the moving block 2 is slid in the slide groove 18 by the slide block 181 at the time of adjusting the vertical position, thereby improving the stability of the movement of the moving block 2.

s1: when the detector 3 is used, the detector 3 is fixedly installed on the movable sleeve 202, then the support frame 1 is placed above a machine tool, the driving source in the movable blocks 2 is controlled to work, the output end of the driving source drives the reciprocating screw rod 201 to rotate between the two movable blocks 2, so that the movable sleeve 202 moves on the reciprocating screw rod 201, the movable sleeve 202 automatically moves back when moving to the end part of the reciprocating screw rod 201 under the condition that the rotating direction of the driving source is not changed, the movable sleeve 202 moves back and forth on the reciprocating screw rod 201, and the transverse position of the machine tool is detected;

s2: in the process that the movable sleeve 202 moves on the reciprocating screw rod 201, the movable sleeve 202 applies force to the push rod 803, because the stiffness coefficient of the first elastic element 802 is smaller than that of the second elastic element 903, the first elastic element 802 deforms first, so that the push rod 803 drives the piston 801 to slide in the movable pipe 8, the piston 801 discharges air in the movable pipe 8 into the air blowing plate 4 through the air outlet valve and the air duct 5, and dust and impurities on a machine tool are blown away through the air outlet holes formed in the air blowing plate 4;

s3: when the first elastic element 802 is compressed to the limit, the push rod 803 drives the moving tube 8 to move integrally with the continued pushing of the push rod 803, so that the moving tube 8 presses against the inclined surface of the stopper 902, the stopper 902 moves upwards, the second elastic element 903 is squeezed, the end of the moving tube 8 passes over the stopper 902, at this time, the moving sleeve 202 moves to the end of the reciprocating screw 201 to be moved back, the moving tube 8 passing over the stopper 902 is not limited, when the push rod 803 is still in contact with the moving sleeve 202, the moving tube 8 is instantly popped out under the elastic force of the first elastic element 802, the third elastic element 111 is squeezed, the second rack 804 at the bottom is meshed with the gear shaft 161 on the rotating rod 16 when the moving tube 8 is popped out, the gear shaft 161 rotates and causes the bevel gear piece on the rotating rod 16 to be meshed with the first bevel gear 172 on the rotating shaft 171, the first bevel gear 172 drives the rotating shaft 171 to rotate, the second bevel gear 173 is meshed with the driven bevel gear 121 on the first rotating shaft 12, so that the first rotating shaft 12 and the second rotating shaft 13 synchronously rotate, the teeth 1411 on the synchronous belt 141 are clamped with the first rack 203 on the lower side of the moving block 2, the moving block 2 is driven to move in the conveying process of the synchronous belt 141, the moving block 2 drives the reciprocating screw rod 201, the moving sleeve 202 and the detector 3 to move, and the longitudinal position is automatically adjusted;

s4: then the moving sleeve 202 moves back on the reciprocating screw rod 201, the moving sleeve 202 is not abutted against the push rod 803 any more, the moving pipe 8 is reset under the pushing of the third elastic element 111, the next work is waited, and after the moving sleeve 202 moves back, the detector 3 moves transversely and detects at a longitudinal position different from the previous position.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A fault detection system of numerical control automation equipment comprises two support frames (1), it is characterized in that the two support frames (1) are both connected with moving blocks (2) in a sliding way, a reciprocating screw rod (201) is rotationally connected between the two moving blocks (2), a driving source for driving the reciprocating screw rod (201) to rotate is arranged in one of the moving blocks (2), a movable sleeve (202) is sleeved on the reciprocating screw rod (201), the bottom of the movable sleeve (202) is connected with a detector (3), the movable sleeve (202) is connected with a blowing plate (4) through a support plate, the support frame (1) is provided with a traveling mechanism for driving the movable block (2) to slide on the support frame (1), the moving block (2) is provided with a driving mechanism for driving the running mechanism to work, an air duct (5) is arranged between the driving mechanism and the air blowing plate (4).

2. The system for detecting the fault of the numerical control automation device as claimed in claim 1, wherein the driving mechanism includes a U-shaped plate (6) fixedly disposed on the moving block (2), one end of the U-shaped plate (6) far away from the moving block (2) is connected with a housing (7), the housing (7) is slidably connected with a moving tube (8), the housing (7) is provided with a limiting component for limiting the displacement of the moving tube (8), the moving tube (8) is slidably connected with a piston (801), a first elastic element (802) is disposed between the piston (801) and the inner wall of the moving tube (8), one side of the piston (801) departing from the first elastic element (802) is connected with a push rod (803), and the push rod (803) movably abuts against the moving sleeve (202).

3. The system for detecting faults of numerical control automation equipment as claimed in claim 2, wherein the limiting assembly comprises a fixing block (9) fixed on the housing (7), a fixing groove (901) is formed in the fixing block (9), a limiting block (902) is connected in the fixing groove (901) in a sliding manner, a second elastic element (903) is arranged between the limiting block (902) and the inner wall of the fixing groove (901), the limiting block (902) is movably abutted against the moving pipe (8), and the bottom of the limiting block (902) is provided with an inclined surface.

4. The system for detecting the fault of the numerical control automation equipment as claimed in claim 2, wherein a sliding groove (10) is formed in the inner wall of the housing (7), a sliding block (11) is connected in the sliding groove (10) in a sliding manner, a third elastic element (111) is arranged between the sliding block (11) and the inner wall of the sliding groove (10), and the sliding block (11) is connected with the moving pipe (8).

5. The system for detecting the fault of the numerical control automation equipment as claimed in claim 4, wherein the moving pipe (8) is provided with an air inlet valve and an air outlet valve, the air outlet valve is connected with the air guide pipe (5), the blowing plate (4) is internally provided with a closed cavity, the closed cavity is communicated with the air guide pipe (5), the blowing plate (4) is further provided with air outlet holes which are uniformly distributed, and the air outlet holes are connected with the closed cavity.

6. The system for detecting the fault of the numerical control automation device according to claim 5, wherein the walking mechanism comprises a walking assembly and a transmission assembly, the walking assembly comprises a first rotating shaft (12) and a second rotating shaft (13) which are rotatably connected to the support frame (1), the first rotating shaft (12) and the second rotating shaft (13) are both provided with a synchronous wheel (14), a synchronous belt (141) is arranged between the two synchronous wheels (14), the synchronous belt (141) is provided with teeth (1411) which are uniformly distributed, and the bottom of the moving block (2) is provided with a first rack (203) which is meshed with the teeth (1411) and is connected with the teeth.

7. The system for detecting the fault of the numerical control automation equipment as claimed in claim 6, wherein the transmission assembly comprises fixing plates (15) fixedly arranged at two sides of the support frame (1), a rotating rod (16) is rotatably connected between the two fixing plates (15), a gear shaft (161) is arranged on the rotating rod (16), a second rack (804) meshed with the gear shaft (161) is arranged on the moving pipe (8), the transmission assembly further comprises a supporting block (17) arranged on the support frame (1), a rotating shaft (171) is rotatably connected in the supporting block (17), a first bevel gear (172) and a second bevel gear (173) are respectively arranged at two ends of the rotating shaft (171), a driven bevel gear (121) meshed with the second bevel gear (173) is arranged on the first rotating shaft (12), and two bevel gear pieces alternately meshed with the first bevel gear (172) are arranged on the rotating rod (16).

8. The numerical control automation device fault detection system of claim 7, wherein the bevel gear piece includes a sleeve (162) fixedly disposed on the rotation rod (16), the sleeve (162) is movably connected with a driving bevel gear (163), the sleeve (162) is provided with a groove, a blocking piece (1621) is connected in the groove through a rotation shaft, the rotation shaft is sleeved with a torsion spring, and the driving bevel gear (163) is provided with a clamping groove (1631) matched with the blocking piece (1621).

9. The system for detecting the fault of the numerical control automation equipment as claimed in claim 1, wherein a sliding groove (18) is formed in the support frame (1), a sliding block (181) is connected in the sliding groove (18) in a sliding manner, and the sliding block (181) is fixedly connected with the moving block (2).

10. A method for detecting a failure detection system of a numerically controlled automation device according to any one of claims 1 to 9, comprising the steps of:

s1: when the detector (3) is used, the detector (3) is fixedly installed on the movable sleeve (202), then the support frame (1) is placed above a machine tool, a driving source in the movable blocks (2) is controlled to work, the output end of the driving source drives the reciprocating screw rod (201) to rotate between the two movable blocks (2), the movable sleeve (202) moves on the reciprocating screw rod (201), and the movable sleeve (202) automatically moves back and forth under the condition that the rotating direction of the driving source is not changed when moving to the end part of the reciprocating screw rod (201), so that the movable sleeve (202) moves back and forth on the reciprocating screw rod (201), and the transverse position of the machine tool is detected;

s2: in the process that the movable sleeve (202) moves on the reciprocating screw rod (201), the movable sleeve (202) acts on the push rod (803), because the stiffness coefficient of the first elastic element (802) is smaller than that of the second elastic element (903), the first elastic element (802) deforms first, so that the push rod (803) drives the piston (801) to slide in the movable pipe (8), the piston (801) discharges air in the movable pipe (8) into the air blowing plate (4) through the air outlet valve and the air guide pipe (5), and dust and impurities on a machine tool are blown away through the air outlet hole formed in the air blowing plate (4);

s3: after the first elastic element (802) is compressed to the limit, the push rod (803) drives the movable tube (8) to integrally move along with the continuous pushing of the push rod (803), so that the movable tube (8) presses against the inclined surface of the limit block (902), the limit block (902) moves upwards, the second elastic element (903) is squeezed, the end part of the movable tube (8) passes through the limit block (902), at the moment, the movable sleeve (202) moves to the end part of the reciprocating screw rod (201) to move back, the movable tube (8) passing through the limit block (902) is not limited, when the push rod (803) is still contacted with the movable sleeve (202), the movable tube (8) is instantly popped out under the elastic force of the first elastic element (802), the third elastic element (111) is squeezed, when the movable tube (8) is popped out, the second rack (804) at the bottom is meshed with the gear shaft (161) on the rotating rod (16), the gear shaft (161) rotates and enables a bevel gear piece on the rotating rod (16) to be meshed with a first bevel gear (172) on the rotating shaft (171), the first bevel gear (172) drives the rotating shaft (171) to rotate, the second bevel gear (173) is meshed with a driven bevel gear (121) on the first rotating shaft (12), the first rotating shaft (12) and the second rotating shaft (13) are enabled to synchronously rotate, teeth (1411) on the synchronous belt (141) are clamped with a first rack (203) on the lower side of the moving block (2), the moving block (2) is driven to move in the conveying process of the synchronous belt (141), the moving block (2) drives the reciprocating screw rod (201), the moving sleeve (202) and the detector (3) to move, and the longitudinal position is automatically adjusted;

s4: then the movable sleeve (202) moves back on the reciprocating screw rod (201), the movable sleeve (202) is not abutted against the push rod (803), the movable pipe (8) resets under the pushing of the elastic force of the third elastic element (111) to wait for the next work, and the detector (3) moves transversely on a longitudinal position different from the previous position after the movable sleeve (202) moves back for detection.