CN114799239B - Tool rest of machine tool - Google Patents
Tool rest of machine tool Download PDFInfo
- Publication number
- CN114799239B CN114799239B CN202210663293.6A CN202210663293A CN114799239B CN 114799239 B CN114799239 B CN 114799239B CN 202210663293 A CN202210663293 A CN 202210663293A CN 114799239 B CN114799239 B CN 114799239B
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- fixedly connected
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- top end
- mounting
- machine tool
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- 238000003860 storage Methods 0.000 claims description 21
- 238000009825 accumulation Methods 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 33
- 230000000694 effects Effects 0.000 abstract description 11
- 230000003139 buffering effect Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Classifications
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- 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- 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
-
- 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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
- B23Q15/24—Control or regulation of position of tool or workpiece of linear position
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention relates to the technical field of numerical control machine tools, in particular to a machine tool rest and a machine tool main body; the movable adjusting mechanism is used for adjusting the longitudinal and transverse horizontal positions of the tool rest and is arranged at the top end of the machine tool main body; the self-adaptive protection mechanism can buffer and protect the working tool bit and is arranged at the top end of the movable adjusting mechanism; a mounting mechanism; the anti-collision mechanism can play the effect of anticollision when installation mechanism operates in the device, and when installation mechanism bumps, anti-collision mechanism can play buffering and stop removing adjustment mechanism's purpose to avoid both to bump, lead to the cutter to appear damaging and cracked condition, and warning subassembly can play the warning effect when anti-collision mechanism operates, reminds operating personnel when further playing the cushioning effect, avoids the emergence of collision condition.
Description
Technical Field
The invention relates to the technical field of numerical control machine tools, in particular to a machine tool knife rest.
Background
The numerical control machine is a short name of numerical control machine, is an automatic machine equipped with a program control system, the control system can logically process a program defined by control codes or other symbol instructions, decode the program, input the program into a numerical control device through an information carrier, send various control signals through the numerical control device through operation processing, control the action of the machine, and automatically process parts according to the shape and the size required by a drawing.
The anticollision performance of knife rest in current digit control machine tool is relatively poor, and during the operation of digit control machine tool, the staff is when programming the cutting path of cutter, does not consider the distance between cutter and the work piece holder for the cutter cutting path that programs out is greater than the distance between cutter and the work piece holder, and the cutter bumps the work piece holder when the operation this moment easily, causes cutter to bump the sword, break the sword and cause the anchor clamps to appear damaging even, and current knife rest and cutter are fixed mounting simultaneously, when cutter and work piece contact, the cutter takes place to damage or break the sword easily.
Disclosure of Invention
The invention aims to solve the problems, and the problems that the distance between a cutter and a workpiece clamp is not considered, so that the programmed cutter cutting path is larger than the distance between the cutter and the workpiece clamp, the cutter is easy to collide with the workpiece clamp during operation, the cutter is easy to collide with the cutter and break, even the clamp is damaged, the cutter and the cutter are fixedly installed, and the cutter is easy to damage or break and the anti-collision performance of the cutter is poor when the cutter and the workpiece are contacted are solved.
The invention achieves the above object by the following technical scheme, a machine tool rest, comprising: a machine tool main body; the movable adjusting mechanism is used for adjusting the longitudinal and transverse horizontal positions of the tool rest and is arranged at the top end of the machine tool main body; the self-adaptive protection mechanism can buffer and protect the working tool bit and is arranged at the top end of the movable adjusting mechanism; the mounting mechanism is convenient for daily maintenance and replacement of the cutter head, and is arranged at the top end of the self-adaptive protection mechanism; and the anti-collision mechanism is used for avoiding collision between the tool rest and the machine tool main body and is arranged on one side of the self-adaptive protection mechanism.
Preferably, the movable adjusting mechanism comprises a servo motor, an installation groove is formed in the machine tool body, the servo motor is fixedly installed on one side of the inner wall of the installation groove, an output shaft of the servo motor is fixedly connected with a first screw rod, a threaded sleeve is connected with the surface of the first screw rod in a threaded mode, a first limit rod is fixedly connected with the inner wall of the installation groove, a sliding sleeve is connected with the surface of the first limit rod in a sliding mode, a strip-shaped groove is formed in the top end of the machine tool body, connecting rods are fixedly connected to the top ends of the sliding sleeve and the threaded sleeve, and the top ends of the connecting rods penetrate through the strip-shaped groove and are fixedly connected with a longitudinal moving assembly.
Preferably, the longitudinal movement assembly comprises a bottom plate fixedly connected to the top end of the connecting rod, an air cylinder is fixedly connected to the top end of the bottom plate, a limit groove is formed in the top end of the bottom plate, and a limit block is slidably connected to the inner wall of the limit groove.
Preferably, the self-adaptive protection mechanism comprises a mounting plate fixedly connected to the top end of the limiting block, the bottom end of the mounting plate is fixedly connected with the telescopic end of the cylinder, a fixing frame is fixedly connected to the top end of the mounting plate, a force accumulation rebound assembly is arranged on the inner wall of the fixing frame, a pushing plate is arranged on the inner wall of the fixing frame, an L-shaped connecting rod is fixedly connected to one end of the pushing plate, and the other end of the L-shaped connecting rod penetrates through the fixing frame.
Preferably, the power resilience subassembly of holding includes two fixed connection in the power spring that holds of fixed frame inner wall, the other end fixedly connected with resilience board of power spring, the joint groove has all been seted up at the both ends of resilience board, the one end fixedly connected with pull rod of resilience board, the other end of pull rod runs through out the fixed frame, the equal fixedly connected with installation pole in both sides of fixed frame, two the equal fixedly connected with first spring of opposite side of installation pole, the other end fixedly connected with joint piece of first spring, two the opposite side of joint piece all runs through the fixed frame and with resilience board joint.
Preferably, the top ends of the pushing plates are fixedly connected with pulleys, and the pulleys are contacted with one side of the clamping block.
Preferably, the installation mechanism comprises a strip-shaped plate fixedly connected to the other end of the L-shaped connecting rod, the top end of the strip-shaped plate is fixedly connected with an installation frame, the rotation of the installation frame is connected with a second screw rod, the end part of the second screw rod penetrates through the installation frame and is rotationally connected with the top end of the strip-shaped plate, the surface thread of the second screw rod is connected with an adjusting plate, a second limiting rod is fixedly connected between the installation frame and the strip-shaped plate, the second limiting rod is in sliding connection with the adjusting plate, a cavity is formed in the top end of the adjusting plate, a cutter is arranged on the inner wall of the cavity, a positioning plate is arranged on the top end of the cutter, and a plurality of fixing bolts are arranged on the top end of the positioning plate.
Preferably, two sliding grooves are formed in the top end of the mounting plate, the inner wall of each sliding groove is connected with a sliding block in a sliding mode, and the top ends of the sliding blocks penetrate through the sliding grooves and are fixedly connected with the bottom ends of the strip-shaped plates.
Preferably, the anticollision mechanism includes the gas storage frame of fixed connection in mounting panel top one side, the inner wall one end fixedly connected with second spring of gas storage frame, the other end fixedly connected with first piston board of second spring, the surface of first piston board is provided with the sealing washer, the other end fixedly connected with buffer rod of first piston board, the other end of buffer rod runs through gas storage frame and fixedly connected with buffer board, square groove has been seted up to one side of gas storage frame, the inner wall one end fixedly connected with third spring of square groove, the other end of third spring runs through the square groove and is provided with pressure sensor, the surface intercommunication of gas storage frame has the hose, the top of lathe main part is provided with the controller, pressure sensor's output and the input electric connection of controller, the output of controller and servo motor's input electric connection, the top of mounting panel is provided with warning subassembly.
Preferably, the warning component comprises a cylinder fixedly connected to the top end of the mounting plate, the other end of the hose is communicated with the cylinder, a limiting ring is fixedly connected to the lower end of the inner wall of the cylinder, two fourth springs are fixedly connected to the inner top wall of the cylinder, a second piston plate is fixedly connected to the other end of the fourth springs, a warning rod is fixedly connected to the center of the top end of the second piston plate, and a round hole is formed in the top end of the cylinder.
The beneficial effects of the invention are as follows:
1. According to the invention, the anti-collision mechanism is arranged, so that the anti-collision mechanism can play a role in buffering and stopping the movement adjusting mechanism when the mounting mechanism collides, the situation that a cutter is damaged and broken due to collision is avoided, the warning component can play a role in warning when the anti-collision mechanism runs, the anti-collision mechanism further plays a role in buffering and reminds an operator, and the collision situation is avoided;
2. According to the invention, the self-adaptive protection mechanism is arranged, so that a telescopic space is provided for the cutter when the cutter is firstly in butt joint with a workpiece, the cutter stretches first, the internal force accumulation rebound assembly can drive the mounting mechanism and the cutter to be automatically mounted to a preset position, the workpiece is continuously processed, collision force generated when the cutter is firstly contacted with the workpiece is reduced and buffered, an effective protection effect is achieved on the cutter, and the processing accuracy of the cutter is not influenced;
3. according to the invention, the mounting mechanism is arranged, so that the mounting mechanism is stable for mounting the cutter, the horizontal position of the cutter can be adjusted, the center line of the cutter and the rotation center of the workpiece are positioned at the same height, the adjustment can be performed according to actual conditions, the machining accuracy of the workpiece is conveniently improved, the dislocation is avoided, and the cutter is protected.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a movement adjustment mechanism according to the present invention;
FIG. 3 is a schematic view of a longitudinally movable assembly according to the present invention;
FIG. 4 is a schematic structural view of the adaptive protection mechanism of the present invention;
FIG. 5 is a schematic illustration of the connection of the power accumulating resilient assembly and the fixed frame of the present invention;
FIG. 6 is a schematic view of the anti-collision mechanism of the present invention;
FIG. 7 is an enlarged view of FIG. 6 at A
Fig. 8 is a schematic structural view of the mounting mechanism of the present invention.
In the figure: 1. a machine tool main body; 101. a mounting groove; 102. a bar-shaped groove; 2. a movement adjustment mechanism; 201. a servo motor; 202. a first screw rod; 203. a thread sleeve; 204. a connecting rod; 205. a first stop lever; 206. a sliding sleeve; 207. a longitudinally moving assembly; 2071. a bottom plate; 2072. a cylinder; 2073. a limiting block; 2074. a limit groove; 3. an adaptive protection mechanism; 301. a mounting plate; 302. a fixed frame; 303. a force accumulating rebound assembly; 3031. a power storage spring; 3032. a rebound plate; 3033. a clamping groove; 3034. a pull rod; 3035. a mounting rod; 3036. a first spring; 3037. a clamping block; 3038. a pulley; 304. a pushing plate; 305. an L-shaped connecting rod; 306. a chute; 307. a slide block; 4. a mounting mechanism; 401. a strip-shaped plate; 402. a mounting frame; 403. a second screw rod; 404. an adjusting plate; 405. a cutter; 406. a positioning plate; 407. a fixing bolt; 408. a second limit rod; 5. an anti-collision mechanism; 501. a gas storage frame; 502. a second spring; 503. a first piston plate; 504. a seal ring; 505. a buffer rod; 506. a buffer plate; 507. a warning component; 5071. a cylinder; 5072. a limiting ring; 5073. a second piston plate; 5074. a fourth spring; 5075. a warning rod; 508. a square groove; 509. a third spring; 510. a pressure sensor; 511. a hose; 512. and a controller.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The specific implementation method comprises the following steps: as shown in fig. 1-8, a machine tool head comprising: a machine tool body 1; the movement adjusting mechanism 2 is used for adjusting the longitudinal and transverse horizontal positions of the tool rest, and the movement adjusting mechanism 2 is arranged at the top end of the machine tool main body 1; the self-adaptive protection mechanism 3 is arranged at the top end of the movable adjusting mechanism 2, and the self-adaptive protection mechanism 3 can buffer and protect the working tool bit; the mounting mechanism 4 is convenient for daily maintenance and replacement of the cutter head, and the mounting mechanism 4 is arranged at the top end of the self-adaptive protection mechanism 3; the anti-collision mechanism 5 is arranged on one side of the self-adaptive protection mechanism 3, a workpiece is placed on a clamp of the machine tool body 1, a corresponding cutter 405 is selected, the cutter 405 is installed on the installation mechanism 4, the installation mechanism 4 is driven to operate by the movement adjusting mechanism 2, the cutter 405 in the installation mechanism 4 is used for processing the workpiece, when the cutter 405 is firstly contacted with the workpiece, the self-adaptive protection mechanism 3 automatically operates, the cutter 405 has a small rebound distance, the self-adaptive protection mechanism 3 automatically operates, the installation of the final position of the cutter 405 is completed, when the installation mechanism 4 operates, the anti-collision mechanism 5 automatically operates, the collision between the installation mechanism 4 and the machine tool body 1 is avoided, the anti-collision mechanism 5 in the device can play a role of anti-collision when the installation mechanism 4 operates, when the installation mechanism 4 collides, the anti-collision mechanism 5 can play the roles of buffering and stopping moving the adjusting mechanism 2, thereby avoiding the situation that the cutter 405 is damaged and broken due to collision, the warning component 507 can play a role in warning when the anti-collision mechanism 5 operates, prompt an operator when playing a role in further buffering, avoid the occurrence of collision, the self-adaptive protection mechanism 3 can provide a telescopic space for the cutter 405 when the cutter 405 is butted with a workpiece first, the cutter 405 stretches first, the internal force accumulation rebound component 303 can drive the mounting mechanism 4 and the cutter 405 to be automatically mounted at a preset position, the workpiece is continuously processed, the collision force generated when the cutter 405 is contacted with the workpiece first is reduced and buffered, the cutter 405 is effectively protected, the processing accuracy of the cutter 405 is not influenced, the installation mechanism 4 is stable to the installation of cutter 405, it can be adjusted the horizontal position of cutter 405 for the central line of cutter 405 and the rotation center of work piece are in same height, can adjust according to actual conditions, are convenient for improve the processing precision to the work piece, avoid the condition that misplaces appears, play the effect of protection to cutter 405, remove adjustment mechanism 2 and can freely realize the removal on the cutter 405 level, be convenient for to the normal processing operation of cutter 405, and utilize servo motor 201 and the mutual combination of controller 512 to use, timely stop device when being convenient for anticollision.
As shown in fig. 1 to 8, the movement adjusting mechanism 2 comprises a servo motor 201, a mounting groove 101 is formed in the machine tool body 1, the servo motor 201 is fixedly arranged on one side of the inner wall of the mounting groove 101, an output shaft of the servo motor 201 is fixedly connected with a first screw rod 202, a thread bush 203 is connected to the surface of the first screw rod 202 in a threaded manner, a first limit rod 205 is fixedly connected to the inner wall of the mounting groove 101, a sliding bush 206 is connected to the surface of the first limit rod 205 in a sliding manner, a bar-shaped groove 102 is formed in the top end of the machine tool body 1, connecting rods 204 are fixedly connected to the top ends of the sliding bush 206 and the thread bush 203, the top ends of the connecting rods 204 penetrate through the bar-shaped groove 102 and are fixedly connected with a longitudinal movement assembly 207, the longitudinal movement assembly 207 comprises a bottom plate 2071 fixedly connected to the top end of the connecting rods 204, a cylinder 2072 is fixedly connected to the top end of the bottom plate 2071, a limit groove 2074 is formed in the top end of the bottom plate 2071, the inner wall of the limiting groove 2074 is slidably connected with a limiting block 2073, the servo motor 201 is started, the servo motor 201 drives the first screw rod 202 to rotate in situ, the threaded sleeve 203 on the first screw rod 202 moves in the transverse direction, the connecting rod 204 drives the bottom plate 2071 to move, meanwhile, the first limiting rod 205, the sliding sleeve 206 and the strip-shaped groove 102 are mutually matched, the purpose of limiting the bottom plate 2071 can be achieved, when horizontal and longitudinal adjustment is needed, the air cylinder 2072 is started, the air cylinder 2072 drives the self-adaptive protection mechanism 3 to perform horizontal and longitudinal adjustment, so that the horizontal and free adjustment of the cutter 405 is achieved, the limiting block 2073 can move in the limiting groove 2074, the purpose of limiting is achieved, the movement of the movement adjusting mechanism 2 can be freely achieved on the cutter 405, the normal processing operation of the cutter 405 is facilitated, and the mutual combination of the servo motor 201 and the controller 512 is utilized, the device is convenient to stop in time during collision prevention.
As shown in fig. 1-8, the self-adaptive protection mechanism 3 comprises a mounting plate 301 fixedly connected to the top end of a limiting block 2073, the bottom end of the mounting plate 301 is fixedly connected with the telescopic end of an air cylinder 2072, the top end of the mounting plate 301 is fixedly connected with a fixed frame 302, the inner wall of the fixed frame 302 is provided with a force accumulation rebound assembly 303, the inner wall of the fixed frame 302 is provided with a pushing plate 304, one end of the pushing plate 304 is fixedly connected with an L-shaped connecting rod 305, the other end of the L-shaped connecting rod 305 penetrates out of the fixed frame 302, the force accumulation rebound assembly 303 comprises two force accumulation springs 3031 fixedly connected to the inner wall of the fixed frame 302, the other end of the power accumulating spring 3031 is fixedly connected with a rebound plate 3032, both ends of the rebound plate 3032 are provided with clamping grooves 3033, one end of the rebound plate 3032 is fixedly connected with a pull rod 3034, the other end of the pull rod 3034 penetrates out of the fixed frame 302, both sides of the fixed frame 302 are fixedly connected with mounting rods 3035, the opposite sides of the two mounting rods 3035 are fixedly connected with a first spring 3036, the other end of the first spring 3036 is fixedly connected with clamping blocks 3037, the opposite sides of the two clamping blocks 3037 penetrate through the fixed frame 302 and are clamped with the rebound plate 3032, the top end of the pushing plate 304 is fixedly connected with pulleys 3038, the pulley 3038 contacts with one side of the clamping block 3037, when the cutter 405 contacts with a workpiece, the rotating workpiece has a certain overlapping space with the cutter 405, the rotating workpiece can give a reverse force to the cutter 405, the mounting mechanism 4 drives the L-shaped connecting rod 305 to move towards the fixed frame 302, when the mounting mechanism 4 moves, the sliding block 307 moves synchronously in the sliding groove 306, the running stability is improved, the pulley 3038 on the side surface of the pushing plate 304 moves along the surface shape of the clamping block 3037, the shape of the clamping block 3037 is influenced, when the pushing plate 304 moves towards the fixed frame 302, the two clamping blocks 3037 move towards the direction of the mounting rod 3035, the first spring 3036 is stressed to bend, the clamping blocks 3037 are separated from the clamping grooves 3033, when the rebound board 3032 loses clamping, the force of the two power accumulating springs 3031 can drive the push plate 304 to return to the original position, the push plate 304 is attached to the inner wall of the fixed frame 302, in the process, the pulley 3038 and the clamping blocks 3037 automatically operate, under the action of the first spring 3036, part of the clamping blocks 3037 can be clamped into the clamping grooves 3033 below the rebound board 3032 to realize the mounting operation of the self-adaptive protection mechanism 3, the self-adaptive protection mechanism 3 can not change any more in the post processing process, the running stability of the device is improved, the pull rod 3034 is arranged, the self-adaptive protection mechanism 3 is convenient to reset in the next operation, the self-adaptive protection mechanism 3 can provide a telescopic space for the cutter 405 when the cutter 405 is firstly in butt joint with a workpiece, the cutter 405 firstly stretches, the internal force accumulation rebound assembly 303 can drive the mounting mechanism 4 and the cutter 405 to be automatically mounted to a preset position to continue to process the workpiece, the collision force generated when the cutter 405 is firstly contacted with the workpiece is reduced and buffered, the effective protection effect is played for the cutter 405, and does not affect the machining accuracy of the tool 405.
As shown in fig. 1-8, the mounting mechanism 4 comprises a strip-shaped plate 401 fixedly connected to the other end of the L-shaped connecting rod 305, a mounting frame 402 is fixedly connected to the top end of the strip-shaped plate 401, a second screw rod 403 is rotatably connected to the top end of the mounting frame 402, the end part of the second screw rod 403 penetrates through the mounting frame 402 and is rotatably connected with the top end of the strip-shaped plate 401, an adjusting plate 404 is connected to the surface of the second screw rod 403 in a threaded manner, a second limiting rod 408 is fixedly connected between the mounting frame 402 and the strip-shaped plate 401, the second limiting rod 408 is in sliding connection with the adjusting plate 404, a cavity is formed in the top end of the adjusting plate 404, a cutter 405 is arranged on the inner wall of the cavity, a positioning plate 406 is arranged on the top end of the cutter 405, a plurality of fixing bolts 407 are arranged on the top end of the positioning plate 406, two sliding grooves 306 are formed in the top end of the mounting plate 301, sliding blocks 307 are slidably connected to the inner wall of the sliding grooves 306, the top of slider 307 runs through spout 306 and with the bottom fixed connection of strip 401, place the cutter 405 of adaptation into the cavity, utilize a plurality of fixing bolt 407 to accomplish the installation operation of locating plate 406 and regulating plate 404, accomplish the fixed mounting to cutter 405, when need adjust the position of cutter 405, rotatory second lead screw 403, under the effect of second gag lever post 408, the corresponding change can take place for the position of regulating plate 404 and cutter 405, the installation of cutter 405 is stabilized to installation mechanism 4, it can adjust the horizontal position of cutter 405, make the central line of cutter 405 and the rotation center of work piece be in same height, can adjust according to actual conditions, be convenient for improve the machining precision to the work piece, avoid the condition of dislocation to appear, play the effect of protection to cutter 405.
As shown in fig. 1 to 8, the anti-collision mechanism 5 comprises a gas storage frame 501 fixedly connected to one side of the top end of the mounting plate 301, one end of the inner wall of the gas storage frame 501 is fixedly connected with a second spring 502, the other end of the second spring 502 is fixedly connected with a first piston plate 503, a sealing ring 504 is arranged on the surface of the first piston plate 503, the other end of the first piston plate 503 is fixedly connected with a buffer rod 505, the other end of the buffer rod 505 penetrates through the gas storage frame 501 and is fixedly connected with a buffer plate 506, one side of the gas storage frame 501 is provided with a square groove 508, one end of the inner wall of the square groove 508 is fixedly connected with a third spring 509, the other end of the third spring 509 penetrates through the square groove 508 and is provided with a pressure sensor 510, the surface of the air storage frame 501 is communicated with a hose 511, the top end of the machine tool main body 1 is provided with a controller 512, the output end of the pressure sensor 510 is electrically connected with the input end of the controller 512, the output end of the controller 512 is electrically connected with the input end of the servo motor 201, the top end of the mounting plate 301 is provided with a warning component 507, the warning component 507 comprises a cylinder 5071 fixedly connected with the top end of the mounting plate 301, the other end of the hose 511 is communicated with the cylinder 5071, the lower end of the inner wall of the cylinder 5071 is fixedly connected with a limiting ring 5072, the inner top wall of the cylinder 5071 is fixedly connected with two fourth springs 5074, the other end of the fourth spring 5074 is fixedly connected with a second piston plate 5073, the center of the top end of the second piston plate 5073 is fixedly connected with a warning rod 5075, the top end of the cylinder 5071 is provided with a round hole, when collision occurs, the buffer plate 506 firstly contacts with the machine tool main body 1, the buffer plate 506 moves towards the air storage frame 501, the first piston plate 503 moves leftwards under the action of the buffer rod 505, the second spring 502 is stressed to bend, meanwhile, the sealing ring 504 and the first piston plate 503 are matched with each other to squeeze air in the air storage frame 501, gas enters the cylinder 5071 from the hose 511, the gas pushes the second piston plate 5073 to move upwards in the cylinder 5071, the fourth spring 5074 bends, the warning rod 5075 penetrates out of the cylinder 5071 to warn an operator, when the buffer plate 506 moves to a certain position, the buffer plate 506 drives the pressure sensor 510 to operate, the pressure sensor 510 transmits a signal to the controller 512, the controller 512 turns off the servo motor 201, the device is stopped, collision is avoided, and the cooperation of the third spring 509 and the square groove 508 can provide a telescopic space for the pressure sensor 510, play guard action to pressure sensor 510, anticollision institution 5 can play the effect of anticollision when installation mechanism 4 operates, when installation mechanism 4 bumps, anticollision institution 5 can play buffering and stop the purpose of removing adjustment mechanism 2 to avoid both to bump, lead to cutter 405 to appear damaging and cracked condition, and warning subassembly 507 can play the warning effect when anticollision institution 5 operates, reminds operating personnel when further playing the cushioning effect, avoids the emergence of collision condition.
When the invention is used, a workpiece is placed on a fixture of a machine tool main body 1, an adaptive cutter 405 is selected to be placed into a cavity, a plurality of fixing bolts 407 are utilized to complete the installation operation of a positioning plate 406 and an adjusting plate 404, the fixed installation of the cutter 405 is completed, when the position of the cutter 405 needs to be adjusted, a second screw rod 403 is rotated, under the action of a second limiting rod 408, the positions of the adjusting plate 404 and the cutter 405 correspondingly change, after the adjustment is finished, the cutter 405 is driven to run by a movable adjusting mechanism 2, a servo motor 201 is started, the servo motor 201 drives a first screw rod 202 to rotate in situ, the threaded sleeve 203 on the first screw rod 202 realizes the movement in the transverse direction, the connecting rod 204 is utilized to drive the bottom plate 2071 to move, meanwhile, the first limiting rod 205, the sliding sleeve 206 and the strip-shaped groove 102 are mutually matched, the purpose of limiting the bottom plate 2071 can be achieved, when the horizontal and longitudinal adjustment is required, the air cylinder 2072 is started, the air cylinder 2072 drives the self-adaptive protection mechanism 3 to realize the horizontal and longitudinal adjustment, so that the horizontal and free adjustment of the cutter 405 is realized, in the process, when the cutter 405 contacts with a workpiece, a certain overlapping space exists between the rotating workpiece and the cutter 405, the rotating workpiece can give a reverse force to the cutter 405, the installation mechanism 4 drives the L-shaped connecting rod 305 to move into the fixed frame 302, when the installation mechanism 4 moves, the sliding block 307 moves synchronously in the sliding groove 306, the running stability is improved, the pulley 3038 on the side surface of the pushing plate 304 moves along the surface shape of the clamping block 3037, the two clamping blocks 3037 move towards the installation rod 3035 when the pushing plate 304 moves into the fixed frame 302 under the influence of the shape of the clamping block 3037, the first spring 3036 is stressed to bend, the clamping block 3037 is separated from the clamping groove 3033, when the rebound plate 3032 loses clamping, the force of the two power accumulating springs 3031 drives the pushing plate 304 to return to the original position, the pushing plate 304 is attached to the inner wall of the fixed frame 302, in the process, the pulley 3038 and the clamping block 3037 automatically operate, under the action of the first spring 3036, a part of the clamping block 3037 can be clamped into the clamping groove 3033 below the rebound plate 3032, so that the installation operation of the self-adaptive protection mechanism 3 is realized, the self-adaptive protection mechanism 3 can not change any more in the later processing process, and the operation stability of the device is improved; when collision occurs, the buffer plate 506 is firstly contacted with the machine tool main body 1, the buffer plate 506 moves towards the inner side of the air storage frame 501, the first piston plate 503 moves leftwards under the action of the buffer rod 505, the second spring 502 is stressed to bend, meanwhile, the sealing ring 504 and the first piston plate 503 are mutually matched, gas in the air storage frame 501 can be extruded, the gas can enter the cylinder 5071 from the hose 511, the gas pushes the second piston plate 5073 to move upwards in the cylinder 5071, the fourth spring 5074 bends, the warning rod 5075 penetrates to the outside of the cylinder 5071, and the operator is warned, when the buffer plate 506 moves to a certain position, the buffer plate 506 drives the pressure sensor 510 to operate, the pressure sensor 510 transmits a signal to the controller 512, the controller 512 turns off the servo motor 201, the device is stopped, and the operator can reset the numerical value.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. A machine tool head, comprising:
A machine tool body (1);
The movable adjusting mechanism (2) is used for adjusting the longitudinal and transverse horizontal positions of the tool rest, and the movable adjusting mechanism (2) is arranged at the top end of the machine tool main body (1);
the self-adaptive protection mechanism (3) can buffer and protect the working tool bit, and the self-adaptive protection mechanism (3) is arranged at the top end of the movable adjustment mechanism (2);
The self-adaptive protection mechanism (3) comprises a mounting plate (301) fixedly connected to the top end of a limiting block (2073), the bottom end of the mounting plate (301) is fixedly connected with the telescopic end of an air cylinder (2072), the top end of the mounting plate (301) is fixedly connected with a fixed frame (302), the inner wall of the fixed frame (302) is provided with a force accumulation rebound assembly (303), the inner wall of the fixed frame (302) is provided with a pushing plate (304), one end of the pushing plate (304) is fixedly connected with an L-shaped connecting rod (305), and the other end of the L-shaped connecting rod (305) penetrates through the fixed frame (302);
The power accumulation rebound assembly (303) comprises two power accumulation springs (3031) fixedly connected to the inner wall of the fixed frame (302), rebound boards (3032) are fixedly connected to the other ends of the power accumulation springs (3031), clamping grooves (3033) are formed in two ends of each rebound board (3032), pull rods (3034) are fixedly connected to one end of each rebound board (3032), the other ends of the pull rods (3034) penetrate through the fixed frame (302), mounting rods (3035) are fixedly connected to two sides of the fixed frame (302), first springs (3036) are fixedly connected to the opposite sides of the two mounting rods (3035), clamping blocks (3037) are fixedly connected to the other ends of the first springs (3036), and the opposite sides of the two clamping blocks (3037) penetrate through the fixed frame (302) and are clamped with the rebound boards (3032);
The mounting mechanism (4) is convenient for daily maintenance and replacement of the cutter head, and the mounting mechanism (4) is arranged at the top end of the self-adaptive protection mechanism (3);
And the anti-collision mechanism (5) is used for avoiding collision between the tool rest and the machine tool main body (1), and the anti-collision mechanism (5) is arranged on one side of the self-adaptive protection mechanism (3).
2. A machine tool head according to claim 1, wherein: the utility model provides a movable adjusting mechanism (2) is including servo motor (201), mounting groove (101) have been seted up to the inside of lathe main part (1), servo motor (201) fixed mounting is in inner wall one side of mounting groove (101), the first lead screw (202) of output shaft fixedly connected with of servo motor (201), the surface threaded connection of first lead screw (202) has screw sleeve (203), the inner wall fixedly connected with first gag lever post (205) of mounting groove (101), the surface sliding connection of first gag lever post (205) has sliding sleeve (206), bar groove (102) have been seted up on the top of lathe main part (1), the equal fixedly connected with connecting rod (204) in top of sliding sleeve (206) and screw sleeve (203), the top of connecting rod (204) runs through out bar groove (102) and fixedly connected with longitudinal movement subassembly (207).
3. A machine tool head according to claim 2, wherein: the longitudinal moving assembly (207) comprises a bottom plate (2071) fixedly connected to the top end of the connecting rod (204), an air cylinder (2072) is fixedly connected to the top end of the bottom plate (2071), a limiting groove (2074) is formed in the top end of the bottom plate (2071), and a limiting block (2073) is slidably connected to the inner wall of the limiting groove (2074).
4. A machine tool head according to claim 1, wherein: the top of the pushing plate (304) is fixedly connected with a pulley (3038), and the pulley (3038) is contacted with one side of the clamping block (3037).
5. A machine tool head according to claim 1, wherein: the mounting mechanism (4) comprises a strip-shaped plate (401) fixedly connected to the other end of the L-shaped connecting rod (305), a mounting frame (402) is fixedly connected to the top end of the strip-shaped plate (401), a second screw rod (403) is connected to the mounting frame (402) in a rotating mode, the end portion of the second screw rod (403) penetrates through the mounting frame (402) and is rotationally connected with the top end of the strip-shaped plate (401), an adjusting plate (404) is connected to the surface of the second screw rod (403) in a threaded mode, a second limiting rod (408) is fixedly connected between the mounting frame (402) and the strip-shaped plate (401), the second limiting rod (408) is connected with the adjusting plate (404) in a sliding mode, a cavity is formed in the top end of the adjusting plate (404), a cutter (405) is arranged on the inner wall of the cavity, and a positioning plate (406) is arranged on the top end of the cutter (405), and a plurality of fixing bolts (407) are arranged on the top end of the positioning plate (406).
6. A machine tool head according to claim 5, wherein: two sliding grooves (306) are formed in the top end of the mounting plate (301), sliding blocks (307) are slidably connected to the inner walls of the sliding grooves (306), and the top ends of the sliding blocks (307) penetrate through the sliding grooves (306) and are fixedly connected with the bottom ends of the strip-shaped plates (401).
7. A machine tool head according to claim 1, wherein: the anti-collision mechanism (5) comprises a gas storage frame (501) fixedly connected to one side of the top end of the mounting plate (301), one end of the inner wall of the gas storage frame (501) is fixedly connected with a second spring (502), the other end of the second spring (502) is fixedly connected with a first piston plate (503), the surface of the first piston plate (503) is provided with a sealing ring (504), the other end of the first piston plate (503) is fixedly connected with a buffer rod (505), the other end of the buffer rod (505) penetrates through the gas storage frame (501) and is fixedly connected with a buffer plate (506), a square groove (508) is formed in one side of the gas storage frame (501), one end of the inner wall of the square groove (508) is fixedly connected with a third spring (509), the other end of the third spring (509) penetrates through the square groove (508) and is provided with a pressure sensor (510), the surface of the gas storage frame (501) is communicated with a hose (511), the top end of the machine tool body (1) is provided with a controller (512), the output end of the pressure sensor (510) and the input end of the controller (512) is electrically connected with the input end of the motor (512), and the output end of the controller (512) is electrically connected with the input end of the servo assembly (201).
8. A machine tool head according to claim 7, wherein: the warning assembly (507) comprises a cylinder (5071) fixedly connected to the top end of the mounting plate (301), the other end of the hose (511) is communicated with the cylinder (5071), a limiting ring (5072) is fixedly connected to the lower end of the inner wall of the cylinder (5071), two fourth springs (5074) are fixedly connected to the inner top wall of the cylinder (5071), a second piston plate (5073) is fixedly connected to the other end of the fourth spring (5074), a warning rod (5075) is fixedly connected to the center of the top end of the second piston plate (5073), and a round hole is formed in the top end of the cylinder (5071).
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| CN202210663293.6A CN114799239B (en) | 2022-06-13 | 2022-06-13 | Tool rest of machine tool |
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| CN114799239A (en) | 2022-07-29 |
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