CN111136340B

CN111136340B - A accurate digit control machine tool for hardware processing

Info

Publication number: CN111136340B
Application number: CN202010021531.4A
Authority: CN
Inventors: 罗婵芳
Original assignee: Ganzhou Chengbo Mechanical Equipment Co Ltd
Current assignee: Ganzhou Chengbo mechanical equipment Co., Ltd
Priority date: 2020-01-09
Filing date: 2020-01-09
Publication date: 2020-12-01
Anticipated expiration: 2040-01-09
Also published as: CN111136340A

Abstract

The invention discloses a precise numerical control machine for hardware processing, which comprises a base station, a processing groove, a clamping device, a water-cooling temperature control mechanism and a tool bit mechanism, wherein the processing groove is formed in the middle of the top of the base station, the clamping device is arranged in an inner cavity of the processing groove, the water-cooling temperature control mechanism is arranged on the clamping device, the tool bit mechanism is arranged on the top of the base station, the precise numerical control machine for hardware processing adopts the design of an independent processing platform to reduce the heat transfer from parts in the equipment during working and reduce the probability that the machined part and the processing platform expand with heat and contract with cold to influence the machining accuracy of a machine tool, the temperature of the machined part and the clamping device is controlled by adopting a water-cooling temperature control mode, firstly, when the temperature is normal, cold water only utilizes the specific heat capacity of the cold water to absorb residual heat, and when the temperature is overhigh, the cold water will have a spraying action.

Description

A accurate digit control machine tool for hardware processing

Technical Field

The invention relates to the technical field of numerical control machine tools, in particular to a precise numerical control machine tool for hardware processing.

Background

The numerically controlled lathe is one of the widely used numerically controlled machine tools at present, mainly used for cutting and processing the inner and outer cylindrical surfaces of shaft parts or disk parts, the inner and outer conical surfaces with any taper angle, the inner and outer curved surfaces of complex rotation, the cylinder, the conical screw threads and the like, and can perform grooving, drilling, reaming, boring and the like.

The digit control machine tool is in the processing part in-process, the lathe lasts constantly work, various spare part temperature army on the lathe can rise, just as chinese patent (CN 110293440A) mentions, the precision of processing the part can be influenced to the condition of expending with cold and contracting with cold, and simultaneously, when expending with heat and contracting with cold, no matter spare part in the lathe or the product raw materials of being processed, all can be along with expending with heat and contracting with cold the process slight change in position, no matter like this all be influential to the precision of product or lathe self, how control the expending with heat and contracting with cold effect of each part in the work piece course of working to this guarantees that the lathe processing precision is a big production problem that needs to solve at present, especially to some less hardware work pieces, the requirement to precision is higher.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a precise numerical control machine for hardware processing, and solves the problems that the precision is reduced due to the fact that a workpiece is easy to deform and the processing structure deforms in the numerical control machine for hardware processing.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a precision numerical control machine tool for hardware processing, includes base station, processing groove, clamping device, water-cooling accuse temperature mechanism and tool bit mechanism, the middle part at the base station top is seted up to the processing groove, clamping device installs the inner chamber at the processing groove, water-cooling accuse temperature mechanism sets up on clamping device, tool bit mechanism installs the top at the base station.

Preferably, clamping device includes translation track, propelling movement movable block, presss from both sides tight cover block, heat conduction stick, friction wire and rubber dish cover, the bottom at the processing groove inner chamber is laid to the translation track, propelling movement movable block suit is on the orbital outer lane of translation, it is connected with the top of propelling movement movable block through screw bolt and nut to press from both sides tight cover block, the inner chamber at propelling movement movable block and tight cover block is installed to the equidistant through-type of heat conduction stick, the friction wire tiling is on the inner wall of propelling movement movable block and tight cover block and one side fixed connection that one end and heat conduction stick are close to the centre of a circle, rubber dish cover suit is on the outer lane of friction wire.

Preferably, water-cooling accuse temperature mechanism includes header tank, suction pump, water delivery hose, metal straight tube, sprays elbow, sealed branch pipe, piston post, discharge orifice, inflation liquid and backward flow tank, the header tank passes through the bolt and installs on the terminal surface of base station, the top at the header tank is installed to the suction pump, the one end suit of water delivery hose is on the delivery port of suction pump, the inner chamber at propelling movement movable block and clamp tight lid piece is installed to metal straight tube run-through, the left side of spraying elbow and the right side threaded connection of metal straight tube, sealed branch pipe run-through is installed on the metal straight tube, piston post activity joint is at the inner chamber of sealed branch pipe, the discharge orifice is seted up on the side of piston post, the inner chamber at sealed branch pipe is filled to the inflation liquid, the bottom at the processing groove inner chamber is seted up to the backward flow tank.

Preferably, the tool bit mechanism comprises a moving track, a movable portal frame, a horizontal adjusting shaft, a moving clamping block, a lifting track and a lifting tool bit frame, the moving track is installed at the top of the base station, the movable portal frame is installed on the outer ring of the moving track, the horizontal adjusting shaft is installed on the movable portal frame along the direction perpendicular to the inner wall of the machining groove, the moving clamping block is sleeved on the outer ring of the horizontal adjusting shaft, the lifting track is installed on the side face of the moving clamping block through bolts, the lifting tool bit frame is installed on the lifting track, and the tool bit is installed at the bottom of the lifting tool bit frame.

Preferably, the rubber disk sleeve is bird-wing-shaped, the middle part of one side, facing the circle center, of the rubber disk sleeve is open, and one side, close to the circle center, of the friction metal wire penetrates through the rubber disk sleeve and extends to the outer side of the rubber disk sleeve.

Preferably, one side of the sealing branch pipe close to the circle center is in contact with one end of the heat conducting rod, a nozzle of the injection elbow always faces the circle center, the sealing branch pipe is cuboid, and the width of the piston column is larger than the diameter of the metal straight pipe.

(III) advantageous effects

The invention provides a precise numerical control machine tool for hardware processing. The method has the following beneficial effects:

(1) this a precision numerical control machine tool for hardware processing adopts independent processing platform's design, can reduce the heat transfer who comes from the inside spare part during operation of equipment as far as, has reduced machined part and processing platform and has taken place the probability that expend with heat and contract with cold and influence lathe processing standard degree.

(2) This a precision numerical control machine tool for hardware processing adopts the mode of water-cooling accuse temperature to carry out temperature control to machined part and clamping device, and at first when the temperature is normal, cold water also only utilizes self specific heat capacity to carry out the absorption of surplus temperature, and when the high temperature, cold water just can take place to spray the action, directly erodees the machined part, not only carries out quick absorption with the surplus temperature on the machined part, but also can carry out cleaning operation to the machined part.

(3) This a precision numerical control machine tool for hardware processing adopts the clamping mechanism of spider web formula, can increase the stability of machined part on the one hand, and on the other hand is mainly that the temperature conduction on machined part and the lathe anchor clamps has been increased, improves the sensitivity of water-cooling accuse temperature mechanism, and quick control machined part and lathe part expend with heat and contract with cold's degree promptly guarantees the processing precision.

Drawings

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

FIG. 2 is a schematic view of a clamping device according to the present invention;

FIG. 3 is a side view of a push block of the present invention;

FIG. 4 is a top view of the push movable block of the present invention;

fig. 5 is a side sectional view of the abutment of the present invention.

In the figure: 1, 2, a processing groove, 3, a clamping device, 301, a translation track, 302, a pushing movable block, 303, a clamping cover block, 304, a heat conducting rod, 305 friction metal wires, 306 rubber disk sleeves, 4 water-cooling temperature control mechanisms, 401 water collecting tanks, 402 water suction pumps, 403 water delivery hoses, 404 metal straight pipes, 405 spraying elbows, 406 sealing branch pipes, 407 piston columns, 408 water flowing holes, 409 expansion liquid, 410 backflow grooves, 5-bit mechanisms, 501 moving tracks, 502 moving portal frames, 503 horizontal adjusting shafts, 504 moving clamping blocks, 505 lifting tracks and 506 lifting tool head frames.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a precision numerical control machine tool for hardware processing, including base station 1, processing groove 2, clamping device 3, water-cooling accuse temperature mechanism 4 and tool bit mechanism 5, processing groove 2 sets up the middle part at base station 1 top, clamping device 3 installs the inner chamber at processing groove 2, water-cooling accuse temperature mechanism 4 sets up on clamping device 3, tool bit mechanism 5 installs the top at base station 1, clamping device 3 includes translation track 301, propelling movement movable block 302, press from both sides tight capping block 303, heat conduction stick 304, friction wire 305 and rubber disk cover 306, translation track 301 is laid in the bottom of processing groove 2 inner chamber, propelling movement movable block 302 suit is on the outer lane of translation track 301, it is connected with the top of propelling movement movable block 302 through the bolt and nut to press from both sides tight capping block 303, the inner chamber at propelling movement movable block 302 and tight capping block 303 is installed to heat conduction stick 304 equidistance through-type, friction wire 305 tiles on the inner wall of propelling movement movable block 302 and tight capping block 303 and the fixed centre of a circle of one side that one The connection, the rubber disk sleeve 306 is sleeved on the outer ring of the friction metal wire 305, the water-cooling temperature control mechanism 4 comprises a water collecting tank 401, a water suction pump 402, a water delivery hose 403, a metal straight pipe 404, a jet elbow 405, a sealing branch pipe 406, a piston column 407, a water flowing hole 408, expansion liquid 409 and a return channel 410, the water collecting tank 401 is installed on the end surface of the base station 1 through bolts, the water suction pump 402 is installed on the top of the water collecting tank 401, one end of the water delivery hose 403 is sleeved on the water outlet of the water suction pump 402, the metal straight pipe 404 is installed in the inner cavities of the pushing movable block 302 and the clamping cover block 303 in a penetrating manner, the left side of the jet elbow 405 is in threaded connection with the right side of the metal straight pipe 404, the sealing branch pipe 406 is installed on the metal straight pipe 404 in a penetrating manner, the piston column 407 is movably clamped in the inner cavity of the sealing branch, the reflux groove 410 is arranged at the bottom of the inner cavity of the processing groove 2, the cutter head mechanism 5 comprises a moving track 501, a movable portal frame 502, a horizontal adjusting shaft 503, a moving fixture block 504, a lifting track 505 and a lifting cutter head frame 506, the moving track 501 is arranged at the top of the base station 1, the movable portal frame 502 is arranged on the outer ring of the moving track 501, the horizontal adjusting shaft 503 is arranged on the movable portal frame 502 along the direction vertical to the inner wall of the processing groove 2, the moving fixture block 504 is sleeved on the outer ring of the horizontal adjusting shaft 503, the lifting track 505 is arranged on the side surface of the moving fixture block 504 through bolts, the lifting cutter head frame 506 is arranged on the lifting track 505, the cutter head is arranged at the bottom of the lifting cutter head frame 506, the rubber disk sleeve 306 is in a bird-wing shape, the middle part of one side, facing the center of the circle, of the rubber disk sleeve 306 is in, one side of the sealing branch pipe 406 close to the circle center is in contact with one end of the heat conducting rod 304, the nozzle of the injection elbow 405 always faces the circle center, the sealing branch pipe 406 is cuboid, and the width of the piston column 407 is larger than the diameter of the metal straight pipe 404.

When the precision numerical control machine tool for hardware processing works (or is used), firstly, the pushing movable block 302 and the clamping cover block 303 are separated from each other to be loosened, then a hardware workpiece to be processed is placed into an inner cavity of the pushing movable block 302, then the clamping cover block 303 is closed again, when the clamping cover block is closed, extrusion force is formed among the pushing movable block 302, the clamping cover block 303 and the workpiece, the friction metal wire 305 is directly contacted with the workpiece, on one hand, the friction force can be increased, the stability is ensured during processing, meanwhile, heat transfer can be directly carried out, the rubber disk sleeve 306 is extruded to deform to form adsorption force with the workpiece, the stability is increased, then the workpiece is directly processed through a cutter head, and as the processing time is increased, heat generated on the workpiece is uninterruptedly transmitted to the heat conducting rod 304 through the friction metal wire 305 at the first time, the heat conducting rod 304 directly heats the expansion liquid 409 in the inner cavity of the sealed branch pipe 406. Then the piston column 407 is continuously pushed to move away from the center of a circle, when the temperature reaches a certain value, when the piston column 407 coincides the drain hole on the piston column with the through hole of the metal straight pipe 404, the cooling liquid enters the injection elbow 405 through the metal straight pipe 404, and then is directly sprayed on the surface of the workpiece, so that heat absorption for the workpiece can be performed in time, the problem that the precision is reduced due to excessive expansion and contraction actions is avoided, and the cooled cooling liquid falls into the inner cavity of the processing tank 2 and enters the inner cavity of the water collecting tank 401 again through the drain hole 408 for recycling.

To sum up, the precision numerical control machine for hardware processing adopts the design of the independent processing platform, can reduce the heat transfer from the internal parts of the equipment during working as far as possible, reduces the probability that the machined part and the processing platform expand with heat and contract with cold to influence the processing reference of the machine tool, adopts the water-cooling temperature control mode to control the temperature of the machined part and the clamping device, firstly, when the temperature is normal, cold water only utilizes the specific heat capacity of the cold water to absorb the residual temperature, when the temperature is overhigh, the cold water can generate the spraying action to directly wash the machined part, not only can quickly absorb the residual temperature on the machined part, but also can clean the machined part, adopts the spider-web type clamping mechanism, on one hand, the stability of the machined part can be increased, on the other hand, the temperature conduction on the machined part and the machine tool clamp is mainly increased, the sensitivity of the water-cooling temperature control mechanism is improved, the degree of expansion with heat and contraction with cold of the machined part and the machine tool part is rapidly controlled, and the machining precision is guaranteed.

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

Claims

1. The utility model provides a precision numerical control machine tool for hardware processing which characterized in that: the processing device comprises a base platform (1), a processing tank (2), a clamping device (3), a water-cooling temperature control mechanism (4) and a cutter head mechanism (5), wherein the processing tank (2) is arranged in the middle of the top of the base platform (1), the clamping device (3) is arranged in an inner cavity of the processing tank (2), the water-cooling temperature control mechanism (4) is arranged on the clamping device (3), and the cutter head mechanism (5) is arranged at the top of the base platform (1);

the water-cooling temperature control mechanism (4) comprises a water collecting tank (401), a water suction pump (402), a water delivery hose (403), a metal straight pipe (404), an injection elbow (405), a sealing branch pipe (406), a piston column (407), a water flowing hole (408), expansion liquid (409) and a return channel (410), wherein the water collecting tank (401) is installed on the end surface of the base station (1) through bolts, the water suction pump (402) is installed at the top of the water collecting tank (401), one end of the water delivery hose (403) is sleeved on a water outlet of the water suction pump (402), the metal straight pipe (404) is installed in a penetrating mode in inner cavities of the pushing movable block (302) and the clamping cover block (303), the left side of the injection elbow (405) is in threaded connection with the right side of the metal straight pipe (404), the sealing branch pipe (406) is installed on the metal straight pipe (404) in a penetrating mode, the piston column (407) is movably clamped in an inner cavity of, the drain hole (408) is arranged on the side surface of the piston column (407), the expansion liquid (409) is filled in the inner cavity of the sealing branch pipe (406), and the return tank (410) is arranged at the bottom of the inner cavity of the processing tank (2).

2. The precision numerically-controlled machine tool for hardware processing according to claim 1, wherein: the clamping device (3) comprises a translation track (301), a pushing movable block (302), a clamping cover block (303), a heat conducting rod (304), a friction metal wire (305) and a rubber disk sleeve (306), the translation track (301) is laid at the bottom of the inner cavity of the processing tank (2), the pushing movable block (302) is sleeved on the outer ring of the translation track (301), the clamping cover block (303) is connected with the top of the pushing movable block (302) through a bolt and a nut, the heat conducting rods (304) are arranged in the inner cavities of the pushing movable block (302) and the clamping cover block (303) in a penetrating way at equal intervals, the friction metal wire (305) is flatly laid on the inner walls of the pushing movable block (302) and the clamping cover block (303), one end of the friction metal wire is fixedly connected with one side of the heat conducting rod (304) close to the circle center, the rubber disk sleeve (306) is sleeved on the outer ring of the friction metal wire (305).

3. The precision numerically-controlled machine tool for hardware processing according to claim 1, wherein: the utility model provides a portable tool bit mechanism, including tool bit mechanism (5) including removal track (501), activity portal frame (502), horizontal adjustment axle (503), removal fixture block (504), lift track (505) and lift tool bit frame (506), the top at base station (1) is installed in removal track (501), activity portal frame (502) are installed on the outer lane of removal track (501), horizontal adjustment axle (503) are installed on activity portal frame (502) along the direction of perpendicular to processing groove (2) inner wall, it suits on the outer lane of horizontal adjustment axle (503) to remove fixture block (504), lift track (505) are installed on the side of removing fixture block (504) through the bolt, and lift tool bit frame (506) are installed on lift track (505), the tool bit is installed to the bottom of lift tool bit frame (506).

4. The precision numerically-controlled machine tool for hardware processing according to claim 2, wherein: the rubber disk sleeve (306) is bird-wing-shaped, the middle part of one side, facing the circle center, of the rubber disk sleeve (306) is open, and one side, close to the circle center, of the friction metal wire (305) penetrates through the rubber disk sleeve (306) and extends to the outer side of the rubber disk sleeve (306).

5. The precision numerically-controlled machine tool for hardware processing according to claim 1, wherein: one side of the sealing branch pipe (406) close to the circle center is in contact with one end of the heat conducting rod (304), a nozzle of the spraying elbow (405) always faces the circle center, the sealing branch pipe (406) is cuboid, and the width of the piston column (407) is larger than the diameter of the metal straight pipe (404).