CN117428560A - Anti-collision device of numerical control cutting machine - Google Patents
Anti-collision device of numerical control cutting machine Download PDFInfo
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- CN117428560A CN117428560A CN202311737290.3A CN202311737290A CN117428560A CN 117428560 A CN117428560 A CN 117428560A CN 202311737290 A CN202311737290 A CN 202311737290A CN 117428560 A CN117428560 A CN 117428560A
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- mounting seat
- protection baffle
- tool bit
- baffle
- cutting tool
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- 238000005520 cutting process Methods 0.000 title claims abstract description 111
- 230000001681 protective effect Effects 0.000 claims description 56
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000010030 laminating Methods 0.000 claims description 7
- 210000003781 tooth socket Anatomy 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 15
- 230000007246 mechanism Effects 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Sawing (AREA)
Abstract
The invention relates to the technical field of cutting equipment, in particular to an anti-collision device of a numerical control cutting machine, which comprises a first mounting seat for mounting a cutting tool bit, wherein a second mounting seat is coaxially arranged below the first mounting seat, a protection baffle is mounted on the second mounting seat, the protection baffle is distributed at equal intervals around the axis of the cutting tool bit, shaft rods on two sides of the protection baffle are rotatably mounted on a hinging seat of the second mounting seat, a linear driver drives the second mounting seat and the protection baffle to move in the vertical direction, the linear driver is connected with an ultrasonic sensing unit through a controller signal, the technical scheme realizes lifting through the linear driver on a second mounting seat, the different height positions of the protection baffle are changed in an early warning mode and a non-early warning mode, an object collides with the protection baffle to drive the protection baffle to rotate, and simultaneously drives the first mounting seat and the cutting tool bit to move upwards along the axis of the base, and the cutting tool bit is contracted into the protection baffle.
Description
Technical Field
The invention relates to the technical field of cutting equipment, in particular to an anti-collision device of a numerical control cutting machine.
Background
In the process of cutting a workpiece by a traditional laser or numerical control cutting machine, various complex working conditions are faced, a certain collision risk exists on a cutting head, for example, a plate is heated and deformed to warp in the machining process, the workpiece after cutting is lifted, the height of a part to be cut is too high or the thickness of the part to be cut is too high, and an operator operates wrongly.
Chinese patent CN113579522B discloses an intelligent anti-collision device, including mechanical anti-collision mechanism and ultrasonic anti-collision mechanism, mechanical anti-collision mechanism includes crashproof frame, spring assembly, installing support subassembly and displacement sensor, crashproof frame passes through spring assembly fixes on the installing support subassembly, displacement sensor installs in on the installing support subassembly, the displacement sensor connecting rod with crashproof frame fixed connection, offered the first trompil that supplies laser to pass on the crashproof frame, ultrasonic anti-collision mechanism is located mechanical anti-collision mechanism top, ultrasonic anti-collision mechanism includes mounting panel and ultrasonic sensor, ultrasonic sensor locates on the mounting panel, offer the second trompil that supplies the laser to pass on the mounting panel.
The crashproof frame in this equipment receives when striking in case damage then can't protect the cutting head, and the security performance is relatively poor, and crashproof frame scope is great, influences the processing removal of cutting head easily.
Disclosure of Invention
In view of the foregoing, it is desirable to provide an anti-collision device for a numerical control cutting machine.
In order to solve the problems in the prior art, the invention adopts the following technical scheme:
the utility model provides a numerical control cutting machine anticollision device, including the first mount pad that is used for installing the cutting tool bit, first mount pad below is coaxial to be provided with the second mount pad, installs the protection baffle on the second mount pad, and the protection baffle has four at least, and the equidistant distribution of protection baffle surrounding cutting tool bit axis, and first mount pad is installed on the base, and the arm work end of base connection drive cutting tool bit removal is provided with sharp driver and electronic control unit on the base, and the work of cutting tool bit is controlled to the electronic control unit; the linear driver drives the second mounting seat and the protective baffle to move in the vertical direction, the linear driver is connected with the ultrasonic sensing unit through a controller signal, and the ultrasonic sensing unit drives the linear driver to drive the protective baffle to move downwards to the peripheral side of the working end of the cutting bit when detecting that the cutting bit is close to a peripheral side object; the axostylus axostyle of protection baffle both sides rotates and installs on the articulated seat of second mount pad, and the rotation axis perpendicular to cutting tool bit of protection baffle, and protection baffle contact object is rotatory around the axostylus axostyle, and first mount pad is connected in the top transmission of axostylus axostyle, drives first mount pad and cutting tool bit and upwards remove along the base axis when the object promotes protection baffle bottom to cutting tool bit rotation, and the cutting tool bit shrink is advanced inside the protection baffle.
Preferably, a straight barrel extending vertically upwards is arranged at the top end of the first mounting seat, the straight barrel is provided with a cylindrical inner cavity, and a first limiting ring encircling the inner wall is arranged on the straight barrel; the bottom of base is provided with vertical downwardly extending's inserted bar, and the inserted bar cartridge is in first spacing ring, and the inserted bar bottom is provided with the second spacing ring, and the second spacing ring is located first spacing ring below, and the spring of cover setting on the inserted bar applys the elasticity of first spacing ring laminating second spacing ring.
Preferably, a first tooth slot is formed in the outer wall of the straight cylinder; the bottom of the base is provided with a connecting rod parallel to the inserted link, the bottom of the connecting rod is fixedly provided with a horizontal bottom plate, the bottom plate is sleeved on the outer side of the straight cylinder, the bottom plate is provided with inserted seats distributed around the straight cylinder at equal intervals, the number of the inserted seats is the same as that of the protective baffles, the inserted seats are provided with gears, the rotating shafts of the gears are horizontally arranged, and the gears are meshed and connected with first tooth grooves on the outer side of the straight cylinder; the top end of the protective baffle is provided with a connecting arm extending along the radial direction of the cutting tool bit, the connecting arm is hinged with the driving rod, and the protective baffle rotates to drive the driving rod to move downwards in the vertical direction; the top end of the deflector rod is provided with a horizontally extending extension arm, and one side of the extension arm facing the straight cylinder is provided with a second tooth slot; the working end of the linear driver drives the deflector rod to move downwards to the second tooth socket to be meshed with the gear.
Preferably, the middle hole in the second mounting seat is provided with avoidance openings for avoiding the protective baffle and the connecting arm at the bottom and the periphery of the second mounting seat, and the avoidance openings are distributed at equal intervals around the axis of the second mounting seat; a horizontal limiting plate is arranged at one end of the protective baffle, opposite to the connecting arm; the dodging port of second mount pad bottom is provided with first stopper near one side of axis, and first stopper is located the limiting plate below, and the linking arm level when first stopper laminating limiting plate bottom surface.
Preferably, the dodging port bottom that is located second mount pad week side is provided with the second stopper, and second stopper upside is provided with the inclined plane, and the rotation angle of protection baffle is restricted to second stopper laminating linking arm bottom surface.
Preferably, the deflector rod is inserted into a first guide hole formed in the peripheral side of the first mounting seat, the outer wall of the deflector rod is attached to the inner wall of the first guide hole, the first guide holes are distributed at equal intervals around the axis of the first mounting seat, and the number of the first guide holes is the same as that of the deflector rod.
Preferably, the two sides of the bottom of the deflector rod are coaxially provided with hinge shafts, and the axes of the hinge shafts are horizontally arranged; the one end outwards of linking arm is provided with waist type hole, and the width in waist type hole is the same with the diameter of articulated shaft, and waist type hole extends along the length direction of linking arm, and articulated shaft slidable mounting is in the waist type hole of linking arm.
Preferably, the second mounting seat is provided with at least two guide rods extending vertically upwards, and the guide rods are inserted into second guide holes formed in the first mounting seat and third guide holes formed in the bottom plate of the base; the top end of the guide rod is fixedly provided with a top plate, the top plate is fixedly connected with the working end of the linear driver, and the deflector rod moves to a position where the second tooth groove is meshed with the gear when the bottom of the top plate is attached to the bottom surface of the base.
Preferably, when the linear driver drives the second mounting seat to move upwards to be attached to the bottom of the first mounting seat, one inward side of the protective baffle is attached to the bottom peripheral side of the first mounting seat, and the protective baffle is kept vertical.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the cutting knife head is protected by installing the second installation seat below the first installation seat, the protection baffle plate used for preventing the second installation seat from collision is arranged on the periphery of the second installation seat, the linear driver on the second installation seat is connected with the base to realize lifting, different height positions of the protection baffle plate are changed in an early warning mode and a non-early warning mode, the bottom end of the protection baffle plate is higher than the working end of the cutting knife head in the non-early warning mode, normal cutting work of the cutting knife head is not influenced, the second installation seat moves downwards to the periphery of the working end of the protection baffle plate surrounding the cutting knife head in the early warning mode, and the periphery of the cutting knife head is protected under the condition that the cutting position of the cutting knife head is not influenced.
Secondly, the protection baffle plate in the invention can preferentially contact with the protection baffle plate on one side of the cutting tool bit when an object is close to the cutting tool bit around the peripheral side of the cutting tool bit in an early warning mode, the protection baffle plate contacts with the object to rotate and drives the first mounting seat and the cutting tool bit arranged on the first mounting seat to move upwards along the axis of the base, and the cutting tool bit completely enters the protection baffle plate to prevent collision and separate from the cutting position, so that the cutting tool bit is completely protected.
Drawings
FIG. 1 is a perspective view of an anti-collision device of a numerical control cutting machine in a first operating state;
FIG. 2 is a front view of an anti-collision device of the numerical control cutting machine in a first operating state;
FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 4 is an enlarged view of a portion at B of FIG. 3;
FIG. 5 is a perspective view of an anti-collision device of the numerical control cutting machine in a second operating state;
FIG. 6 is an enlarged view of a portion of FIG. 5 at C;
FIG. 7 is a perspective cross-sectional view of a numerical control cutter anti-collision device in a second operational state;
FIG. 8 is a partial enlarged view at D of FIG. 7;
FIG. 9 is a front view of a numerical control cutter anti-collision device in a third operating condition;
FIG. 10 is a cross-sectional view taken at E-E of FIG. 9;
fig. 11 is a partial enlarged view at F of fig. 10.
The reference numerals in the figures are: 1. a cutter head; 11. a first mount; 111. a first guide hole; 112. a second guide hole; 12. a straight cylinder; 121. a first stop collar; 122. a first tooth slot; 2. a second mounting base; 21. a protective baffle; 211. a shaft lever; 212. a connecting arm; 213. a limiting plate; 214. a waist-shaped hole; 22. a hinge base; 23. a deflector rod; 231. an extension arm; 232. a second tooth slot; 233. a hinge shaft; 24. an avoidance port; 241. a first limiting block; 242. a second limiting block; 25. a guide rod; 251. a top plate; 3. a base; 31. a linear driver; 32. an electric control unit; 33. a rod; 331. a second limiting ring; 332. a spring; 34. a connecting rod; 35. a bottom plate; 351. a plug-in mounting seat; 352. a gear; 353. and a third guide hole.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1 to 11:
the utility model provides a numerical control cutting machine anticollision device, including the first mount pad 11 that is used for installing cutting tool bit 1, first mount pad 11 below is coaxial to be provided with second mount pad 2, install protection baffle 21 on the second mount pad 2, protection baffle 21 has four at least, protection baffle 21 encircles cutting tool bit 1 axis equidistant distribution, first mount pad 11 is installed on base 3, base 3 connects the arm work end that drives cutting tool bit 1 and removes, be provided with linear drive 31 and electronic control unit 32 on the base 3, electronic control unit 32 controls cutting tool bit 1 work; the linear driver 31 drives the second mounting seat 2 and the protective baffle 21 to move in the vertical direction, the linear driver 31 is connected with the ultrasonic sensing unit through a controller signal, and the ultrasonic sensing unit drives the linear driver 31 to drive the protective baffle 21 to move downwards to the periphery of the working end of the cutter head 1 when detecting that the cutter head 1 is close to a peripheral object; the axostylus axostyle 211 of protection baffle 21 both sides rotate and install on the articulated seat 22 of second mount pad 2, and the rotation axis of protection baffle 21 is perpendicular to cutting head 1's axis, and protection baffle 21 contact object is rotatory around axostylus axostyle 211, and first mount pad 11 is connected in the top transmission of axostylus axostyle 211, and the object promotes the protection baffle 21 bottom and drives first mount pad 11 and cutting head 1 and upwards remove along base 3 axis when cutting head 1 is rotatory, and cutting head 1 shrink is advanced inside the protection baffle 21.
The anti-collision device in the application installs the cutting bit 1 through the first installation seat 11, the cutting bit 1 is vertically installed at the axis position of the first installation seat 11, the second installation seat 2 is installed below the first installation seat 11, the circumference side of the second installation seat 2 is provided with the protection baffle 21 used for preventing the second installation seat 2 from being collided, the linear driver 31 on the second installation seat 2 connecting base 3 realizes lifting, the base 3 is fixedly connected with the working end of the mechanical arm driving the cutting bit 1 to move, the cutting work of the cutting bit 1 is ensured, the number of the protection baffles 21 can be set according to actual requirements, the protection baffle 21 is distributed around the circumference side of the cutting bit 1, under the normal working state, the linear driver 31 on the base 3 drives the second installation seat 2 to move upwards to be attached below the first installation seat 11, the bottom end of the protection baffle 21 is higher than the working end of the cutting bit 1, the ultrasonic sensing unit may be installed on the circumference of the first mounting seat 11, the second mounting seat 2 or the base 3 without affecting the normal cutting operation of the cutter head 1, the ultrasonic sensing unit detects whether an object is present on the circumference of the cutter head 1, when the ultrasonic sensing unit detects that an object which may collide with the cutter head 1 exists near the moving path of the cutter head 1, the linear driver 31 of the base 3 drives the second mounting seat 2 to move down so that the protective baffle 21 surrounds the circumference of the working end of the cutter head 1, the circumference of the cutter head 1 is protected without affecting the cutting position of the cutter head 1, the protective baffle 21 contacts with the side of the cutter head 1 preferentially when the object approaches the cutter head 1, since the protective baffle 21 is rotatably installed on the hinge seat 22 through the shaft 211, the protective baffle 21 rotates around the axis of the shaft 211 at this time, the protection baffle 21 is in transmission connection with the first mounting seat 11, the protection baffle 21 can contact with an object and simultaneously drive the first mounting seat 11 and the cutting tool bit 1 mounted on the first mounting seat 11 to move upwards along the axis of the base 3, the cutting tool bit 1 completely enters the protection baffle 21 to prevent collision and separate from a cutting position, a worker can correspondingly set a power cutting device to cut off the electric connection between the cutting tool bit 1 and the electric control unit 32 after the cutting tool bit 1 moves upwards, the work of the cutting tool bit 1 is stopped, the linear driver 31 in the embodiment can be a linear cylinder or an electric push rod and the like, the ultrasonic sensing unit is in the prior art, the prior art capable of realizing the required functions can not be repeated, the anti-collision device in the embodiment drives the second mounting seat 2 and the protection baffle 21 to move up and down through the linear driver 31, the switching between an early warning mode and a safety mode is realized, and the protection baffle 21 is far away from the cutting tool bit 1 to prevent the work of the cutting tool bit 1 from influencing.
In order to realize the purpose that the mounting connection of the first mounting seat 11 and the base 3 ensures the normal operation of the cutting bit 1 and can enable the first mounting seat 11 to move upwards along the axis of the base 3, the following characteristics are specifically set:
the top end of the first mounting seat 11 is provided with a vertical cylinder 12 extending upwards, the cylinder 12 is provided with a cylindrical inner cavity, and the cylinder 12 is provided with a first limiting ring 121 surrounding the inner wall; the bottom of base 3 is provided with vertical downwardly extending's inserted bar 33, and inserted bar 33 cartridge is in first spacing ring 121, and inserted bar 33 bottom is provided with second spacing ring 331, and second spacing ring 331 is located first spacing ring 121 below, and spring 332 that the cover was established on the inserted bar 33 applys the elasticity of first spacing ring 121 laminating second spacing ring 331.
In this embodiment, the first mounting seat 11 and the base 3 are inserted together through the straight barrel 12 and the insert rod 33, the outer wall of the insert rod 33 is attached to the inner wall of the first limiting ring 121 in the straight barrel 12, when the cutting bit 1 is kept moving and cutting, the axes of the first mounting seat 11 and the base 3 are always on the same straight line, the spring 332 sleeved on the insert rod 33 applies elastic force to enable the first limiting ring 121 to be attached to the second limiting ring 331, the distance between the first mounting seat 11 and the base 3 is kept, when the object contact protection baffle 21 drives the first mounting seat 11 to move upwards after the early warning mode is started, the first limiting ring 121 moves upwards relative to the second limiting ring 331, in this process, the spring 332 is compressed by the first limiting ring 121, then the elastic force of the spring 332 is matched with gravity after the object is separated, so that the cutting bit 1 is reset, the elastic coefficient of the spring 332 is set according to the actual processing requirement, and the position of the cutting bit 1 is ensured to be stable when the processing.
In order to solve the problem of how to move the rotary drive cutting head 1 of the guard 21 upwards, the following features are provided:
the outer wall of the straight cylinder 12 is provided with a first tooth groove 122; the bottom of the base 3 is provided with a connecting rod 34 parallel to the inserted link 33, the bottom of the connecting rod 34 is fixedly provided with a horizontal bottom plate 35, the bottom plate 35 is sleeved outside the straight cylinder 12, the bottom plate 35 is provided with inserting seats 351 which are distributed around the straight cylinder 12 at equal intervals, the number of the inserting seats 351 is the same as that of the protective baffles 21, the inserting seats 351 are provided with gears 352, the rotating shafts of the gears 352 are horizontally arranged, and the gears 352 are in meshed connection with the first tooth grooves 122 outside the straight cylinder 12; the top end of the protective baffle 21 is provided with a connecting arm 212 extending along the radial direction of the cutter head 1, the connecting arm 212 is hinged with a deflector rod 23, and the protective baffle 21 rotates to drive the deflector rod 23 to move downwards in the vertical direction; the top end of the deflector rod 23 is provided with a horizontally extending extension arm 231, and one side of the extension arm 231 facing the straight cylinder 12 is provided with a second tooth slot 232; the working end of the linear actuator 31 drives the lever 23 down to the second tooth slot 232 to engage the gear 352.
In this embodiment, the horizontal connecting arm 212 disposed at the top of the guard shield 21 is in transmission connection with the vertically moving deflector rod 23, when the linear driver 31 drives the second mounting seat 2 to move downward, the guard shield 21 is kept vertical, the connecting arm 212 is kept horizontal, the deflector rod 23 moves downward along with the second mounting seat 2, the extension arm 231 at the top end of the deflector rod 23 does not contact with the gear 352 of the base 3 in the downward moving process of the deflector rod 23, thus the work of the cutter head 1 is not affected, when the linear driver 31 drives the second mounting seat 2 to move downward to the periphery of the working end of the cutter head 1, the deflector rod 23 drives the extension arm 231 to move downward to a state that the second tooth slot 232 at one side of the extension arm 231 is meshed with the gear 352, at this time, the deflector rod 23 moves downward to cause the gear 352 to rotate, when the extension arm 231 is in this position, the object approaches the cutter head 1 and contacts the guard shield 21 first, the bottom end of the protective baffle 21 is pushed to rotate inwards, the top end of the protective baffle 21 rotates outwards to drive the deflector rod 23 connected with the connecting arm 212 in a transmission way to move downwards, the gear 352 is meshed with the first tooth groove 122 on the outer side of the straight barrel 12, the rotation of the gear 352 drives the straight barrel 12 to drive the first mounting seat 11 to move upwards, the cutter head 1 at the bottom of the first mounting seat 11 enters the protective baffle 21, the damage to the protective baffle 21 caused by the contact with the inner side of the protective baffle 21 is avoided, the cutter head 1 can be protected, in the embodiment, the spring 332 can push the protective baffle 21 to a non-fixed object due to the upward movement of the first mounting seat 11, the contact with the cutter head 1 is prevented, the damage to the protective baffle 21 is also avoided, the subsequent maintenance cost is reduced, in this embodiment, when an object is located at one side of the cutter head 1 and presses one of the protection baffles 21, the upward movement of the straight cylinder 12 drives all the gears 352 at the periphery of the straight cylinder 12 to rotate, so that all the protection baffles 21 are driven to synchronously rotate and shrink.
In order to prevent the bottom end of the protective barrier 21 from turning outward, the following features are specifically provided:
the second mounting seat 2 is hollow, the bottom and the periphery of the second mounting seat 2 are both provided with avoidance openings 24 for avoiding the protective baffle 21 and the connecting arms 212, and the avoidance openings 24 are distributed at equal intervals around the axis of the second mounting seat 2; the end of the protective baffle 21 opposite to the connecting arm 212 is provided with a horizontal limiting plate 213; the dodging port 24 of second mount pad 2 bottom is provided with first stopper 241 near the one side of axis, and first stopper 241 is located limiting plate 213 below, and connecting arm 212 level when first stopper 241 laminating limiting plate 213 bottom surface.
When the protection baffle 21 keeps vertical in this embodiment, the protection baffle 21 passes through the dodge mouth 24 that is located the bottom of the second mount pad 2 and extends to the below of the second mount pad 2, the connecting arm 212 passes through the dodge mouth 24 of the second mount pad 2 week side and extends to the outside of the second mount pad 2 and is connected with the driving lever 23 in a transmission way, the dodge mouth 24 ensures that the protection baffle 21 and the connecting arm 212 can have a certain movement range therein, the limiting plate 213 on the inner side of the protection baffle 21 is attached to the first limiting block 241 of the second mount pad 2, at this time, the protection baffle 21 keeps vertical, the connecting arm 212 keeps horizontal, in the process that the linear driver 31 drives the second mount pad 2 to move downwards, if the height position of the driving lever 23 is unchanged, the top of the connecting arm 212 is pulled upwards, so that the protection baffle 21 is turned outwards, but the existence of the first limiting block 241 ensures that the protection baffle 21 can not be turned outwards, thereby ensuring that the downward movement of the protection baffle 21 can drive the driving lever 23 to move downwards, and the protection baffle 21 can drive the cutter head 1 to move when the first time contacts an object.
In order to prevent the guard shield 21 from being damaged by collision with each other due to an excessive rotation angle, the following features are specifically provided:
the bottom of the avoidance port 24 positioned on the periphery side of the second mounting seat 2 is provided with a second limiting block 242, the upper side of the second limiting block 242 is provided with an inclined plane, and the second limiting block 242 is attached to the bottom surface of the connecting arm 212 to limit the rotation angle of the protective baffle 21.
When the protective baffle 21 in this embodiment contacts an object, the connecting arm 212 rotates in the avoiding opening 24 on the peripheral side of the second mounting seat 2, and when the bottom surface of the connecting arm 212 is rotated to be attached to the inclined surface on the second limiting block 242, the connecting arm 212 limits movement, so that the protective baffle 21 is prevented from continuously rotating inwards and colliding with other protective baffles 21 moving synchronously.
In order to solve the problem of how to ensure that the shift lever 23 does not rotate and keeps the moving path stable when moving, the following features are specifically provided:
the deflector rod 23 is inserted into the first guide holes 111 arranged on the periphery of the first mounting seat 11, the outer wall of the deflector rod 23 is attached to the inner wall of the first guide holes 111, the first guide holes 111 are distributed at equal intervals around the axis of the first mounting seat 11, and the number of the first guide holes 111 is the same as that of the deflector rod 23.
In this embodiment, the shift lever 23 is inserted into the first guide hole 111 provided on the peripheral side of the first mounting seat 11, and the first guide hole 111 limits the moving path of the shift lever 23, so that the shift lever 23 can only move in the vertical direction, and is not easy to generate offset rotation, so as to reduce the pressure at the joint of the shift lever 23 and the connecting arm 212.
In order to solve the problem of how to ensure that the connecting arm 212 rotates around the axis of the shaft lever 211 to drive the shift lever 23 to move in the vertical direction, the following features are specifically provided:
the hinge shafts 233 are coaxially arranged at two sides of the bottom of the deflector rod 23, and the axis of the hinge shafts 233 is horizontally arranged; the outward end of the connecting arm 212 is provided with a waist-shaped hole 214, the width of the waist-shaped hole 214 is the same as the diameter of the hinge shaft 233, the waist-shaped hole 214 extends along the length direction of the connecting arm 212, and the hinge shaft 233 is slidably mounted in the waist-shaped hole 214 of the connecting arm 212.
In this embodiment, the hinge shaft 233 at the bottom of the shift lever 23 is inserted into the waist-shaped hole 214 provided on the connection arm 212, and when the connection arm 212 rotates around the axis of the shaft lever 211, the hinge shaft 233 slides in the waist-shaped hole 214 and pulls the shift lever 23 to move downward, thereby ensuring that the shift lever 23 can move in the vertical direction.
In order to solve the problem of how to realize the connection of the second mount 2 with the linear actuator 31, the following features are specifically provided:
at least two guide rods 25 extending vertically upwards are arranged on the second mounting seat 2, and the guide rods 25 are inserted into second guide holes 112 arranged on the first mounting seat 11 and third guide holes 353 arranged on the bottom plate 35 of the base 3; a top plate 251 is fixedly mounted on the top end of the guide rod 25, the top plate 251 is fixedly connected with the working end of the linear driver 31, and when the bottom of the top plate 251 is attached to the bottom surface of the base 3, the deflector 23 moves to a position where the second tooth groove 232 is meshed with the gear 352.
The second mounting seat 2 in this embodiment is inserted into the second guide hole 112 formed in the first mounting seat 11 and the third guide hole 353 formed in the bottom plate 35 through the guide rod 25 to guide the movement of the second mounting seat 2, and since the plurality of shift rods 23 formed in the second mounting seat 2 are all engaged with the gear 352 through the extension arms 231, the extension arms 231 can be disposed on both sides of the shift rods 23, the guide rod 25 is disposed in the gap between the extension arms 231, or the guide rod 25 is disposed between two adjacent shift rods 23, so that the guide rod 25 is prevented from contacting with the shift rods 23, in this embodiment, the second mounting seat 2 is fixedly connected with the working end of the linear driver 31 through the top plate 251 mounted on the top end of the guide rod 25, and the top plate 251 can limit the lowest and highest movement positions of the protection barrier 21, thereby ensuring the positions of the protection barrier 21 in the early warning mode and the non-early warning mode.
In order to solve the problem of how to ensure that the protective barrier 21 remains in the vertical initial state when moving down, the following features are specifically provided:
when the linear driver 31 drives the second mounting seat 2 to move upwards to be attached to the bottom of the first mounting seat 11, the inward side of the protective baffle 21 is attached to the bottom peripheral side of the first mounting seat 11, and the protective baffle 21 is kept vertical.
In this embodiment, when the device is in the non-early warning mode, the linear driver 31 drives the second mounting seat 2 to move upwards, and at this time, the protective baffle 21 moves upwards to the peripheral side attached to the bottom of the first mounting seat 11, so as to keep the protective baffle 21 in a vertical state, and when the second mounting seat 2 moves downwards, the protective baffle 21 can keep in a vertical state by the first limiting block 241 to drive the driving lever 23 to move downwards.
Working principle: under the non-early warning mode, the linear driver 31 on the base 3 drives the second mounting seat 2 to move upwards to be attached to the lower side of the first mounting seat 11, the bottom end of the protective baffle 21 is higher than the working end of the cutting tool bit 1, normal cutting work of the cutting tool bit 1 is not affected, the ultrasonic sensing unit detects whether an object exists on the periphery of the cutting tool bit 1, when the ultrasonic sensing unit detects that an object possibly collides with the cutting tool bit 1 exists near the moving path of the cutting tool bit 1, the early warning mode is started, the linear driver 31 drives the second mounting seat 2 to move downwards, the protective baffle 21 surrounds the periphery of the working end of the cutting tool bit 1, the periphery of the cutting tool bit 1 is protected under the condition that the cutting position of the cutting tool bit 1 is not affected, the protective baffle 21 on one side of the cutting tool bit 1 can be preferentially contacted when the object is close to the cutting tool bit 1, the protective baffle 21 is installed on the hinge seat 22 in a rotating mode through the shaft lever 211, the protective baffle 21 is in a transmission mode to be connected with the first mounting seat 11, the protective baffle 21 can drive the cutting tool bit 1 installed on the first mounting seat 11 and the first mounting seat 11 to be contacted with the object in the rotating mode, and the cutting tool bit 1 can be completely separated from the cutting tool bit 1 along the moving axis 3 on the first mounting seat 11, and the cutting tool bit 1 can be completely prevented from entering the inside the protective baffle 1.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (9)
1. The utility model provides a numerical control cutting machine anticollision device, including first mount pad (11) that are used for installing cutting tool bit (1), first mount pad (11) below is coaxial to be provided with second mount pad (2), install protection baffle (21) on second mount pad (2), protection baffle (21) have four at least, protection baffle (21) encircle cutting tool bit (1) axis equidistant distribution, a serial communication port, first mount pad (11) are installed on base (3), the mechanical arm work end that drives cutting tool bit (1) and remove is connected to base (3), be provided with sharp driver (31) and electronic control unit (32) on base (3), electronic control unit (32) control cutting tool bit (1) work;
the linear driver (31) drives the second mounting seat (2) and the protective baffle (21) to move in the vertical direction, the linear driver (31) is connected with the ultrasonic sensing unit through a controller signal, and the ultrasonic sensing unit drives the linear driver (31) to drive the protective baffle (21) to move downwards to the periphery of the working end of the cutting tool bit (1) when detecting that the cutting tool bit (1) is close to a periphery object;
the utility model discloses a cutter head, including base (3) and cutter head, protection baffle (21), axostylus axostyle (211) of protection baffle (21) both sides rotate and install on articulated seat (22) of second mount pad (2), the axis of rotation perpendicular to cutter head (1) of protection baffle (21), protection baffle (21) contact object is rotatory around axostylus axostyle (211), first mount pad (11) are connected in the top transmission of axostylus axostyle (211), first mount pad (11) are driven to cutter head (1) bottom when the rotation is driven to cutter head (21) to the object, cutter head (1) are followed base (3) axis and are upwards moved, inside cutter head (1) shrink.
2. The anti-collision device of the numerical control cutting machine according to claim 1, wherein a straight barrel (12) extending vertically upwards is arranged at the top end of the first mounting seat (11), the straight barrel (12) is provided with a cylindrical inner cavity, and a first limiting ring (121) surrounding the inner wall is arranged on the straight barrel (12);
the bottom of base (3) is provided with vertical downwardly extending's inserted bar (33), and inserted bar (33) cartridge is in first spacing ring (121), and inserted bar (33) bottom is provided with second spacing ring (331), and second spacing ring (331) are located first spacing ring (121) below, and spring (332) that the cover was established on inserted bar (33) applys the elasticity of first spacing ring (121) laminating second spacing ring (331).
3. The anti-collision device of the numerical control cutting machine according to claim 2, wherein the outer wall of the straight cylinder (12) is provided with a first tooth slot (122);
the bottom of the base (3) is provided with connecting rods (34) parallel to the inserted rods (33), the bottoms of the connecting rods (34) are fixedly provided with horizontal bottom plates (35), the bottom plates (35) are sleeved on the outer sides of the straight cylinders (12), the bottom plates (35) are provided with inserting seats (351) which are distributed around the straight cylinders (12) at equal intervals, the number of the inserting seats (351) is the same as that of the protective baffles (21), the inserting seats (351) are provided with gears (352), the rotating shafts of the gears (352) are horizontally arranged, and the gears (352) are in meshed connection with first tooth grooves (122) on the outer sides of the straight cylinders (12);
the top end of the protective baffle plate (21) is provided with a connecting arm (212) extending along the radial direction of the cutter head (1), the connecting arm (212) is hinged with a deflector rod (23), and the protective baffle plate (21) rotates to drive the deflector rod (23) to move downwards in the vertical direction;
the top end of the deflector rod (23) is provided with a horizontally extending extension arm (231), and one side of the extension arm (231) facing the straight cylinder (12) is provided with a second tooth slot (232);
the working end of the linear driver (31) drives the deflector rod (23) to move downwards to the second tooth socket (232) to be meshed with the gear (352).
4. The anti-collision device of the numerical control cutting machine according to claim 3, wherein the second mounting seat (2) is internally provided with a middle hole, the bottom and the periphery of the second mounting seat (2) are respectively provided with avoiding openings (24) for avoiding the protective baffle (21) and the connecting arm (212), and the avoiding openings (24) are distributed at equal intervals around the axis of the second mounting seat (2);
one end of the protective baffle (21) opposite to the connecting arm (212) is provided with a horizontal limiting plate (213);
one side of dodging mouthful (24) of second mount pad (2) bottom is close to the axis is provided with first stopper (241), and first stopper (241) are located limiting plate (213) below, and linking arm (212) level when first stopper (241) laminating limiting plate (213) bottom surface.
5. The anti-collision device of the numerical control cutting machine according to claim 4, wherein a second limiting block (242) is arranged at the bottom of the avoidance port (24) on the periphery of the second mounting seat (2), an inclined plane is arranged on the upper side of the second limiting block (242), and the second limiting block (242) is attached to the bottom surface of the connecting arm (212) to limit the rotation angle of the protective baffle (21).
6. The anti-collision device of the numerical control cutting machine according to claim 5, wherein the deflector rods (23) are inserted into first guide holes (111) formed in the periphery of the first mounting seat (11), the outer walls of the deflector rods (23) are attached to the inner walls of the first guide holes (111), the first guide holes (111) are distributed at equal intervals around the axis of the first mounting seat (11), and the number of the first guide holes (111) is the same as that of the deflector rods (23).
7. The anti-collision device of the numerical control cutting machine according to claim 6, wherein the two sides of the bottom of the deflector rod (23) are coaxially provided with hinge shafts (233), and the axis of the hinge shafts (233) is horizontally arranged;
one outward end of the connecting arm (212) is provided with a waist-shaped hole (214), the width of the waist-shaped hole (214) is the same as the diameter of the hinge shaft (233), the waist-shaped hole (214) extends along the length direction of the connecting arm (212), and the hinge shaft (233) is slidably mounted in the waist-shaped hole (214) of the connecting arm (212).
8. The anti-collision device of the numerical control cutting machine according to claim 7, wherein the second mounting seat (2) is provided with at least two guide rods (25) extending vertically upwards, and the guide rods (25) are inserted into second guide holes (112) arranged on the first mounting seat (11) and third guide holes (353) arranged on a bottom plate (35) of the base (3);
a top plate (251) is fixedly arranged at the top end of the guide rod (25), the top plate (251) is fixedly connected with the working end of the linear driver (31), and when the bottom of the top plate (251) is attached to the bottom surface of the base (3), the deflector rod (23) moves to a position where the second tooth groove (232) is meshed with the gear (352).
9. The anti-collision device of the numerical control cutting machine according to claim 8, wherein when the linear driver (31) drives the second mounting seat (2) to move upwards to be attached to the bottom of the first mounting seat (11), the inward side of the protective baffle (21) is attached to the bottom peripheral side of the first mounting seat (11), and the protective baffle (21) is kept vertical.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311737290.3A CN117428560B (en) | 2023-12-18 | 2023-12-18 | Anti-collision device of numerical control cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311737290.3A CN117428560B (en) | 2023-12-18 | 2023-12-18 | Anti-collision device of numerical control cutting machine |
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| CN117428560A true CN117428560A (en) | 2024-01-23 |
| CN117428560B CN117428560B (en) | 2024-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311737290.3A Active CN117428560B (en) | 2023-12-18 | 2023-12-18 | Anti-collision device of numerical control cutting machine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| GB787985A (en) * | 1954-02-02 | 1957-12-18 | Bury Felt Mfg Company Ltd | Machinery guard |
| CN112496458A (en) * | 2020-12-04 | 2021-03-16 | 南京多脉智能设备有限公司 | Metal cutting machine tool capable of preventing metal chips from splashing |
| CN112775571A (en) * | 2021-02-04 | 2021-05-11 | 奔腾激光(温州)有限公司 | Cutting head anticollision structure |
| CN216177703U (en) * | 2021-09-23 | 2022-04-05 | 大连捷众工业装备有限公司 | Multiple protection device of laser cutting machine |
| CN216829214U (en) * | 2022-02-25 | 2022-06-28 | 杨盛泽 | Laser cutting machine aircraft nose guard shield |
| CN115213728A (en) * | 2022-08-24 | 2022-10-21 | 余江县恒欣精密元件有限公司 | Metal tailstock processing is with repairing type equipment |
| CN219053049U (en) * | 2023-02-20 | 2023-05-23 | 福建鑫宏华机械有限公司 | Hydraulic metal plate shearing machine |
-
2023
- 2023-12-18 CN CN202311737290.3A patent/CN117428560B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB787985A (en) * | 1954-02-02 | 1957-12-18 | Bury Felt Mfg Company Ltd | Machinery guard |
| CN112496458A (en) * | 2020-12-04 | 2021-03-16 | 南京多脉智能设备有限公司 | Metal cutting machine tool capable of preventing metal chips from splashing |
| CN112775571A (en) * | 2021-02-04 | 2021-05-11 | 奔腾激光(温州)有限公司 | Cutting head anticollision structure |
| CN216177703U (en) * | 2021-09-23 | 2022-04-05 | 大连捷众工业装备有限公司 | Multiple protection device of laser cutting machine |
| CN216829214U (en) * | 2022-02-25 | 2022-06-28 | 杨盛泽 | Laser cutting machine aircraft nose guard shield |
| CN115213728A (en) * | 2022-08-24 | 2022-10-21 | 余江县恒欣精密元件有限公司 | Metal tailstock processing is with repairing type equipment |
| CN219053049U (en) * | 2023-02-20 | 2023-05-23 | 福建鑫宏华机械有限公司 | Hydraulic metal plate shearing machine |
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| Publication number | Publication date |
|---|---|
| CN117428560B (en) | 2024-03-19 |
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