CN120287062A - A CNC machine tool for turning, grinding and milling composite processing - Google Patents
A CNC machine tool for turning, grinding and milling composite processing Download PDFInfo
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- CN120287062A CN120287062A CN202510625410.3A CN202510625410A CN120287062A CN 120287062 A CN120287062 A CN 120287062A CN 202510625410 A CN202510625410 A CN 202510625410A CN 120287062 A CN120287062 A CN 120287062A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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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
- 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
- B23Q11/0042—Devices for removing chips
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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
- 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
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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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
- 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
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1069—Filtration systems specially adapted for cutting liquids
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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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
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Abstract
The invention discloses a turning and milling combined machining numerical control machine tool which comprises a machine tool body, a self-adaptive clamping mechanism and a cooling recovery mechanism, wherein the machine tool body comprises an operation table, a combined machining unit for carrying out drilling and milling integrated machining on a workpiece is arranged on the operation table, the self-adaptive clamping mechanism comprises a mounting plate, the mounting plate is fixedly connected to the operation table, a rotating shaft is rotatably connected to the mounting plate, a combined clamping assembly is arranged at one end of the rotating shaft facing the combined machining unit in a detachable mode, and the combined clamping assembly forms an annular structure through a plurality of air bag expansion bodies. According to the clamp, the traditional clamp is replaced by the composite clamping assembly, the composite clamping assembly forms an annular structure through the plurality of air bag expansion bodies consisting of the air bags, the reinforcing layers and the contact layers, the tubular workpiece is fixed through the expansion of the air bag expansion bodies, the shaft and the massive workpiece are fixed through the contraction of the air bag expansion bodies, and the practicability of the clamp is improved.
Description
Technical Field
The invention belongs to the technical field of numerical control machine tools, and particularly relates to a turning and milling combined machining numerical control machine tool.
Background
The numerical control machine tool is represented by a coded number, and is input into a numerical control device through an information carrier. The numerical control device sends out various control signals to control the action of the machine tool through operation processing, and parts are automatically machined according to the shape and the size required by the drawing.
The numerical control machine tool for turning and milling composite machining disclosed by the publication No. CN116038354B comprises a sliding concave plate, wherein a driving shaft head movably connected through a bearing is inserted into the sliding concave plate, a drilling tool is inserted into one side of the driving shaft head, a linkage machining mechanism is arranged at one side of the outer wall of the drilling tool, the linkage machining assembly comprises a milling cutter arranged at one side of the outer wall of the drilling tool, and a knife grinder is arranged at the other side of the outer wall of the drilling tool. The invention can integrally carry out milling and drilling, can realize milling according to a specified angle, has higher accuracy of milling inclined surfaces, can stably carry out large-area milling operation when the knife is contacted with a part, and has smaller processing limitation and higher processing accuracy.
However, when the numerical control machine tool provided by the patent is used, the clamping of a long rod-shaped or annular workpiece depends on a three-jaw chuck, the uneven distribution of clamping force on the workpiece is easy to cause processing vibration, the processing precision of the workpiece is affected, and meanwhile, scraps generated by processing splash and pollute the environment, and an effective collecting device is lacking, so that potential safety hazards exist.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.
Disclosure of Invention
The invention aims to provide a turning and milling combined machining numerical control machine tool which can be used for solving the problems that uneven distribution of workpiece clamping force affects workpiece machining precision and scraps during machining are inconvenient to collect.
In order to achieve the above object, a specific embodiment of the present invention provides the following technical solution:
a turning and milling compound machining numerical control machine tool, comprising:
The machine tool body comprises an operation table, wherein a composite machining unit for carrying out drilling, grinding and milling integrated machining on a workpiece is arranged on the operation table, and the workpiece is subjected to drilling, grinding and milling through the composite machining unit.
The self-adaptive clamping mechanism comprises a mounting plate, the mounting plate is fixedly connected to an operation table, the mounting plate is rotationally connected with a rotating shaft, a composite clamping assembly is installed at one end of the rotating shaft facing the composite processing unit in a detachable mode, the composite clamping assembly is used for clamping and fixing a workpiece, the rotation of the rotating shaft can drive the composite clamping assembly to rotate, and meanwhile the composite clamping assembly is convenient to disassemble and assemble, so that the workpiece can be clamped and fixed by the composite clamping assembly matched with the workpiece in a rapid replacement mode when the workpiece with larger size variation is processed. The composite clamping assembly is of an annular structure formed by combining a plurality of air bag expansion bodies, and the air bag expansion bodies can be contracted and expanded, so that the size of the composite clamping assembly can be adjusted by the contraction and expansion of the air bag expansion bodies, and the composite clamping assembly can clamp and fix workpieces of different sizes. Annular clamping component is constituteed through a plurality of gasbag inflation bodies for compound clamping component can carry out the centre gripping through the outer wall after the inflation to the inner wall of tubulose or annular work piece fixedly, also can carry out the centre gripping through the mode of parcel to axle class or cubic work piece through the inner wall after the shrink fixedly, makes can carry out the centre gripping to the work piece of all kinds of different shapes fixedly, very big improvement the practicality of digit control machine tool. Meanwhile, the annular composite clamping assembly is in contact with the workpiece through the inner walls or the outer walls of the plurality of air bag expansion bodies, and the concave-convex surfaces of the workpiece are self-adaptively attached through expansion and contraction, so that the clamping force to the workpiece is uniformly distributed, the clamping stability of the workpiece is improved, the vibration of the workpiece during processing is avoided, and the processing precision of the workpiece is improved. The plurality of air bag expansion bodies are provided with an air bag body, a reinforcing layer and a contact layer, so that the air bag expansion bodies formed by the air bag body, the reinforcing layer and the contact layer are combined into the composite clamping assembly. The composite clamping assembly is provided with an inflation assembly for inflating the air bag body, and the air bag body is inflated through the inflation assembly so that the composite clamping assembly can expand, and the expansion clamping of a workpiece is realized. Be provided with the hydraulic oil injection clearance between gasbag body and the enhancement layer, be provided with the oiling subassembly that is used for injecting oiling to the hydraulic oil injection clearance on the compound clamping component, through injecting hydraulic oil to the hydraulic oil injection clearance, inwards compress the gasbag body through hydraulic oil to make compound clamping component shrink, realize wrapping up the centre gripping to the work piece.
The cooling recovery mechanism comprises a liquid supply pipe, the liquid supply pipe is arranged on one side of the composite processing unit facing the mounting plate, a cooling component is arranged on the liquid supply pipe, the cooling component can spray cooling liquid to a workpiece and an appliance for processing the workpiece, the temperature of the workpiece and the appliance can be reduced through the cooling liquid, the workpiece is ensured to be in a low-temperature state during processing, and the composite clamping component is protected while the processing efficiency is improved. Meanwhile, when the cooling liquid is sprayed on the workpiece, scraps generated during processing can be intercepted, so that the cooling liquid and the scraps are deposited on the operation table, and the scraps are prevented from splashing. And an infusion assembly for supplying cooling liquid to the supply pipe is arranged at the bottom of the operation table, so that the cooling liquid is conveyed. Be provided with the recovery subassembly that is used for retrieving coolant liquid and piece on the operation panel, coolant liquid and piece through coolant liquid interception are handled through recovery subassembly for can recycle after the coolant liquid handles.
In one or more embodiments of the present invention, a fixed disc is fixedly connected to one end of the rotating shaft facing the composite processing unit, the composite clamping assembly further includes a mounting disc, a plurality of fixing bolt groups are fixedly connected to a side wall of the mounting disc facing the fixed disc in an annular mode at equal intervals, mounting holes matched with the plurality of fixing bolt groups are formed in the fixed disc, the fixing disc and the mounting disc are fixed together through the mounting holes by the fixing bolt groups, a buffer ring is arranged between the fixing disc and the mounting disc, and the composite clamping assembly can be mounted on the rotating shaft through connection between the fixing disc and the mounting disc, so that the composite clamping assembly is driven to rotate through rotation of the rotating shaft, and further a workpiece is driven to rotate, and processing of the workpiece is convenient. The mounting plate is kept away from fixedly connected with solid fixed ring on the lateral wall of fixed plate, a plurality of the one end fixed connection of gasbag inflation body is on gu fixed ring's lateral wall for the gasbag inflation body is through gu fixed ring stable install on the mounting plate. The plurality of air bag expansion bodies are connected through flexible hinges, so that the composite clamping assembly forms a radially telescopic closed ring.
In one or more embodiments of the present invention, the balloon body, the reinforcing layer, and the contact layer are sequentially disposed from inside to outside, thereby forming a balloon inflation body of a composite structure of an inner inflation structure, an intermediate layer spacing structure, and an outer contact structure. Meanwhile, a hydraulic oil injection gap is formed between the air bag body and the reinforcing layer, so that the air bag expansion body can shrink towards the inner ring after hydraulic oil injection, and the air bag body and the reinforcing layer are arranged in a sealing mode at the inner ring position of the composite clamping assembly, so that the hydraulic oil cannot enter the inner ring layer after hydraulic oil injection, and the hydraulic oil can compress the air bag body to enable the air bag expansion body to shrink towards the inner ring.
In one or more embodiments of the present invention, the material of the air bag body is a high-strength rubber material, so that the air bag body can be inflated. The enhancement layer is made of aramid fiber materials, and the expansion rate of the air bag body is limited through the enhancement layer, so that the use safety is ensured. The contact layer is the flexible contact layer that rubber material was made, all be provided with anti-skidding net on the lateral wall of contact layer, through contact layer and work piece contact, provide flexible contact, avoid the fish tail work piece surface, anti-skidding net ensures that contact layer and work piece contact are stable simultaneously, ensures the centre gripping to the work piece fixed stability.
In one or more embodiments of the present invention, the gas delivery assembly includes a gas delivery chamber, the gas delivery chamber is annularly provided in a fixing ring, a plurality of gas delivery branch pipes of corresponding number are installed between the fixing ring and a plurality of the gas bag expansion bodies, one ends of the plurality of gas delivery branch pipes are communicated with the gas delivery chamber, the other ends of the plurality of gas delivery branch pipes are respectively communicated with the corresponding gas bag body, the plurality of gas delivery branch pipes are all installed with electromagnetic valves, an air inlet pipe is installed on an outer side wall of the fixing ring in a manner of being communicated with the gas delivery chamber, and a first regulating valve is installed on the air inlet pipe. High-pressure gas is conveyed into the gas conveying cavity through the gas inlet pipe, and then can be conveyed into the airbag body through the gas conveying branch pipe, so that the airbag body is expanded and deformed, and the workpiece is clamped and fixed through the expansion and deformation by the composite clamping assembly. Simultaneously, each independent air bag body is provided with an electromagnetic valve for controlling air inflow, so that different air bag expansion bodies can adjust the air inflow through electromagnetic valve control, and when the composite clamping assembly clamps a special-shaped workpiece, each air bag expansion body can be controlled by the electromagnetic valve to adjust the air inflow according to the contact surface with the workpiece, so that the composite clamping assembly can clamp workpieces of different shapes, and the practicability of the equipment is improved.
In one or more embodiments of the present invention, the oil delivery assembly includes an oil delivery cavity, the oil delivery cavity is annularly opened in a fixing ring, the oil delivery cavity is disposed at an outer side of the oil delivery cavity, a plurality of oil delivery branches of corresponding number are installed between the fixing ring and the plurality of air bag expansion bodies, one ends of the plurality of oil delivery branches are communicated with the oil delivery cavity, the other ends of the plurality of oil delivery branches sequentially penetrate through a contact layer and an enhancement layer and are placed in a hydraulic oil injection gap, an oil inlet pipe is installed on an outer side wall of the fixing ring in a manner of communicating with the oil delivery cavity, and a second regulating valve is installed on the oil inlet pipe. High-pressure oil is conveyed into the gas transmission cavity through the oil inlet pipe, the high-pressure oil can be conveyed to the hydraulic oil injection gap through the oil conveying branch pipe, the air bag body is driven to shrink through the high-pressure hydraulic oil, and the composite clamping assembly shrinks to clamp and fix the workpiece.
In one or more embodiments of the present invention, a support table is installed on the operation table, an air pump and an oil tank are installed on the support table, an air outlet pipe is installed on an air outlet of the air pump, the air outlet pipe is communicated with the air inlet pipe through a quick connection pipe, high pressure air generated by the air pump can be conveyed into the air inlet pipe through the air outlet pipe, and meanwhile, in order to prevent the gas transmission pipeline from influencing the rotation of a workpiece after the air inflation, the air outlet pipe and the air inlet pipe are connected through the quick connection pipe, so that the air pump can be quickly disassembled. The miniature oil pump is installed to one side of oil tank, install out the oil pipe on the liquid outlet of miniature oil pump, go out through another quick connection pipe intercommunication between oil pipe and the oil feed pipe, the miniature oil pump of same reason is carried high-pressure oil to the oil feed intraductal through out the oil pipe.
In one or more embodiments of the present invention, a plurality of the balloon inflation bodies are each mounted with a piezoresistive sensor by which the clamping pressure to the workpiece is monitored in real time. The pressure ratio of gas and liquid in the air bag expansion body is 1:2-1:5, so that different rigidity requirements can be met when different workpieces are clamped.
In one or more embodiments of the present invention, the cooling assembly includes a plurality of liquid outlet branch pipes, a plurality of liquid outlet branch pipes are installed on a side wall of the liquid supply pipe in an equidistant manner, a third switch valve is installed on each of the plurality of liquid outlet branch pipes, a corrugated hose is installed at one end of the plurality of liquid outlet branch pipes far away from the liquid supply pipe, an atomizing nozzle is installed on a liquid outlet of the corrugated hose, a liquid inlet of the liquid supply pipe is installed with a liquid delivery pipe, and a liquid delivery pump is installed at one end of the liquid delivery pipe far away from the liquid supply pipe. Through the deformability of the infusion tube, the injection angle and the position of the enhancement layer can be adjusted so as to better cool the workpiece and the processing device, and meanwhile, the chips are collected while being prevented from splashing.
In one or more embodiments of the present invention, the recovery assembly includes a collecting tank, the collecting tank is disposed on the operation table and is disposed below the composite clamping assembly, a plurality of through holes are disposed on a bottom wall of the collecting tank in a penetrating manner, a liquid storage tank is fixedly connected to a bottom wall plate of the operation table below the collecting tank, a first filter screen and a second filter screen are detachably mounted in the liquid storage tank, the first filter screen is disposed above the second filter screen, a liquid inlet pipe is mounted at a position of the liquid storage tank near the bottom, and one end of the liquid inlet pipe disposed outside the liquid storage tank is mounted on a liquid inlet of the liquid delivery pump. After cooling liquid cools off work piece and processing utensil, fall on the operation panel after collecting the piece, rivers carry the piece to enter into the collecting vat in, intercept big granule piece through the through-hole, rivers and little granule piece enter into the liquid reserve tank through the through-hole in, first filter screen and second filter screen alright filter the interception to little granule impurity and the microparticle impurity in the aquatic for the coolant liquid is recycled after being retrieved and handled.
Compared with the prior art, the invention has the following advantages:
1. According to the clamp, the traditional clamp is replaced by the composite clamping assembly, the composite clamping assembly forms an annular structure through the plurality of air bag expansion bodies consisting of the air bags, the reinforcing layers and the contact layers, the tubular workpiece is fixed through the expansion of the air bag expansion bodies, the shaft and the massive workpiece are fixed through the contraction of the air bag expansion bodies, and the practicability of the clamp is greatly improved;
2. The composite clamping assembly is contacted with the workpiece through the contact layer, so that the surface of the workpiece is not damaged when the workpiece is clamped, expansion adjustment of different air bag expansion bodies can be performed to different degrees, each air bag expansion body can be attached to the surface of the workpiece, the clamping force of the composite clamping assembly on the workpiece when the workpiece in different shapes is clamped and fixed is uniformly distributed, the workpiece is fixed stably, vibration of the workpiece during machining is avoided, and the machining precision of the workpiece is improved;
3. According to the invention, the cooling recovery mechanism is arranged, the workpiece and the processing tool are cooled by the atomized cooling liquid, meanwhile, the cooling liquid can collect scraps during processing, and the collected cooling liquid is recycled after being processed by the recovery assembly, so that the scraps produced during processing are prevented from splashing to pollute the environment, and meanwhile, the scraps are collected and processed, and the potential safety hazard is eliminated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a front view of a numerical control machine tool for turning and milling composite machining in accordance with an embodiment of the present invention;
FIG. 2 is a perspective view of a numerical control machine tool for turning and milling in accordance with an embodiment of the present invention;
FIG. 3 is a perspective view of a numerical control machine tool for turning and milling in accordance with an embodiment of the present invention;
FIG. 4 is a cross-sectional view of a turning and milling combined machining numerical control machine tool according to an embodiment of the invention;
FIG. 5 is a cross-sectional view of a numerical control machine tool for turning and milling in accordance with an embodiment of the present invention;
FIG. 6 is a schematic diagram of the present invention at A in FIG. 5;
FIG. 7 is a schematic diagram of the present invention at B in FIG. 6;
FIG. 8 is an exploded view of the composite clamp assembly and mounting plate of the present invention;
FIG. 9 is a cross-sectional view of a retaining ring according to the present invention;
FIG. 10 is a cross-sectional view of a composite clamp assembly of the present invention;
FIG. 11 is a schematic view of a composite clamping assembly according to the present invention;
FIG. 12 is a schematic view of a liquid supply tube according to the present invention.
The main reference numerals illustrate:
The device comprises a machine tool body, an 11-operation table, a 12-composite machining unit, a 2-self-adaptive clamping mechanism, a 21-mounting plate, a 22-rotating shaft, a 23-fixed disk, a 24-mounting disk, a 25-fixed ring, a 26-air bag body, a 27-enhancement layer, a 28-contact layer, a 29-air conveying cavity, a 210-air conveying branch pipe, a 211-electromagnetic valve, a 212-air inlet pipe, a 213-first regulating valve, a 214-oil conveying cavity, a 215-oil conveying branch pipe, a 216-oil inlet pipe, a 217-second regulating valve, a 218-air pump, a 219-air outlet pipe, a 220-oil tank, a 221-miniature oil pump, a 222-oil outlet pipe, a 223-supporting table, a 224-fixed bolt group, a 225-buffer ring, a 3-cooling recovery mechanism, a 31-liquid supply pipe, a 32-liquid outlet branch pipe, a 33-third switching valve, a 34-corrugated hose, a 35-atomizing nozzle, a 36-liquid conveying pipe, a 37-liquid conveying pump, a 38-liquid inlet pipe, a 39-liquid storage box, a 310-first filter, a 311-second filter screen, a 312-collecting tank and a 313-through hole.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
As shown in fig. 1 to 5, a turning and milling combined machining numerical control machine tool in an embodiment of the invention comprises a machine tool body 1, an adaptive clamping mechanism 2 and a cooling recovery mechanism 3.
As shown in fig. 1 to 5, the machine tool body 1 includes an operation table 11, and a composite machining unit 12 for performing drilling, grinding and milling integrated machining on a workpiece is mounted on the operation table 11 so that the workpiece is subjected to drilling, grinding and milling by the composite machining unit 12.
As shown in fig. 1-5, the self-adaptive clamping mechanism 2 comprises a mounting plate 21, the mounting plate 21 is fixedly connected to the operation table 11, a rotating shaft 22 is rotatably connected to the mounting plate 21, a composite clamping assembly is mounted at one end of the rotating shaft 22, which faces the composite processing unit 12, in a detachable manner, the composite clamping assembly is used for clamping and fixing a workpiece, the rotation of the rotating shaft 22 can drive the composite clamping assembly to rotate, and meanwhile, the composite clamping assembly is convenient to detach and mount, so that the composite clamping assembly matched with the workpiece can be quickly replaced to clamp and fix the workpiece when the workpiece with larger size variation is processed. The composite clamping assembly is in an annular structure formed by combining a plurality of air bag expansion bodies, and the air bag expansion bodies can be contracted and expanded, so that the size of the composite clamping assembly can be adjusted by the contraction and expansion of the air bag expansion bodies, and the composite clamping assembly can clamp and fix workpieces with different sizes. Annular clamping component is constituteed through a plurality of gasbag inflation bodies for compound clamping component can carry out the centre gripping through the outer wall after the inflation to the inner wall of tubulose or annular work piece fixedly, also can carry out the centre gripping through the mode of parcel to axle class or cubic work piece through the inner wall after the shrink fixedly, makes can carry out the centre gripping to the work piece of all kinds of different shapes fixedly, very big improvement the practicality of digit control machine tool. Meanwhile, the annular composite clamping assembly is in contact with the workpiece through the inner walls or the outer walls of the plurality of air bag expansion bodies, and the concave-convex surfaces of the workpiece are self-adaptively attached through expansion and contraction, so that the clamping force to the workpiece is uniformly distributed, the clamping stability of the workpiece is improved, the vibration of the workpiece during processing is avoided, and the processing precision of the workpiece is improved. The plurality of balloon inflation bodies are each provided with a balloon body 26, a reinforcing layer 27 and a contact layer 28 so that the balloon inflation bodies composed of the balloon body 26, the reinforcing layer 27 and the contact layer 28 are combined into a composite clamping assembly. The composite clamping assembly is provided with an inflation assembly for inflating the air bag body 26, and the air bag body 26 is inflated through the inflation assembly so that the composite clamping assembly can expand, and the expansion clamping of a workpiece is achieved. Be provided with the hydraulic oil injection clearance between gasbag body 26 and the enhancement layer 27, be provided with the oiling subassembly that is used for injecting oiling to the hydraulic oil injection clearance on the compound clamping component, through injecting hydraulic oil to the hydraulic oil injection clearance, inwards compress gasbag body 26 through hydraulic oil to make compound clamping subassembly shrink, realize wrapping up the centre gripping to the work piece.
As shown in fig. 6 and 8, one end of the rotating shaft 22 facing the composite processing unit 12 is fixedly connected with a fixing disc 23, the composite clamping assembly further comprises a mounting disc 24, a plurality of fixing bolt groups 224 are fixedly connected to the side wall of the mounting disc 24 facing the fixing disc 23 in an annular mode at equal intervals, mounting holes matched with the plurality of fixing bolt groups 224 are formed in the fixing disc 23, the fixing disc 23 and the mounting disc 24 are fixed together through the mounting holes by the fixing bolt groups 224, a buffer ring 225 is arranged between the fixing disc 23 and the mounting disc 24, and the composite clamping assembly can be mounted on the rotating shaft 22 through connection between the fixing disc 23 and the mounting disc 24, so that the composite clamping assembly is driven to rotate through rotation of the rotating shaft 22, and a workpiece is driven to rotate, and the workpiece is enabled to be convenient to process. Meanwhile, the buffer ring 225 can buffer the mounting plate 24 so as to buffer the impact received by the workpiece during processing, and avoid the vibration of the workpiece during processing. The mounting plate 24 is kept away from fixedly connected with solid fixed ring 25 on the lateral wall of fixed plate 23, and the one end fixed connection of a plurality of gasbag inflation bodies is on the lateral wall of solid fixed ring 25 for the gasbag inflation body is through solid fixed ring 25 stable installation on the mounting plate 24. The plurality of air bag expansion bodies are connected through flexible hinges, so that the composite clamping assembly forms a radially telescopic closed ring.
As shown in fig. 10 and 11, the balloon body 26, the reinforcing layer 27, and the contact layer 28 are sequentially disposed from inside to outside, thereby forming a balloon inflation body of a composite structure of an inner layer inflation structure, an intermediate layer stopper structure, and an outer layer contact structure. Meanwhile, a hydraulic oil injection gap is formed between the air bag body 26 and the reinforcing layer 27, so that the air bag expansion body can shrink towards the inner ring after hydraulic oil is injected, and the air bag body 26 and the reinforcing layer 27 are arranged in a sealing mode at the inner ring position of the composite clamping assembly, so that the hydraulic oil cannot enter the inner ring layer after being injected, and the hydraulic oil can compress the air bag body 26 to shrink towards the inner ring.
Preferably, the material of the air bag body 26 is a high-strength rubber material, so that the air bag body 26 can be inflated. The reinforcing layer 27 is made of aramid fiber, and the expansion rate of the air bag body 26 is limited by the reinforcing layer 27, so that the use safety is ensured. The contact layer 28 is the flexible contact layer that rubber material was made, all is provided with anti-skidding net on the lateral wall of contact layer 28, through contact layer 28 and work piece contact, provides flexible contact, avoids the fish tail work piece surface, and anti-skidding net ensures simultaneously that contact layer 28 and work piece contact are stable, ensures the centre gripping fixed stability to the work piece.
As shown in fig. 7 and 9, the gas delivery assembly includes a gas delivery chamber 29, the gas delivery chamber 29 is opened in the fixed ring 25 in an annular manner, a plurality of gas delivery branch pipes 210 of corresponding number are installed between the fixed ring 25 and the plurality of airbag expansion bodies, one ends of the plurality of gas delivery branch pipes 210 are communicated with the gas delivery chamber 29, the other ends of the plurality of gas delivery branch pipes 210 are respectively communicated with the corresponding airbag body 26, electromagnetic valves 211 are installed on the plurality of gas delivery branch pipes 210, an air inlet pipe 212 is installed on the outer side wall of the fixed ring 25 in a manner of being communicated with the gas delivery chamber 29, and a first regulating valve 213 is installed on the air inlet pipe 212. High-pressure gas is conveyed into the gas conveying cavity 29 through the gas inlet pipe 212, and then the high-pressure gas can be conveyed into the gas bag body 26 through the gas conveying branch pipe 210, so that the gas bag body 26 is expanded and deformed, and the workpiece is clamped and fixed through the expansion and deformation by the composite clamping assembly. Simultaneously, each independent air bag body 26 is provided with an electromagnetic valve 211 for controlling air inflow, so that different air bag expansion bodies can adjust the air inflow through the control of the electromagnetic valve 211, and when the composite clamping assembly clamps a special-shaped workpiece, each air bag expansion body can be controlled by the electromagnetic valve 211 to adjust the air inflow according to the contact surface with the workpiece, so that the composite clamping assembly can clamp workpieces of different shapes, and the practicability of the equipment is improved.
As shown in fig. 7 and 9, the oil delivery assembly includes an oil delivery cavity 214, the oil delivery cavity 214 is opened in a fixed ring 25 in an annular manner, the oil delivery cavity 214 is disposed at the outer side of the oil delivery cavity 29, a plurality of oil delivery branch pipes 215 of corresponding number are installed between the fixed ring 25 and the plurality of air bag expansion bodies, one ends of the plurality of oil delivery branch pipes 215 are communicated with the oil delivery cavity 214, the other ends of the plurality of oil delivery branch pipes 215 sequentially penetrate through a contact layer 28 and a reinforcing layer 27 and are placed in a hydraulic oil injection gap, an oil inlet pipe 216 is installed on the outer side wall of the fixed ring 25 in a manner of being communicated with the oil delivery cavity 214, and a second regulating valve 217 is installed on the oil inlet pipe 216. High-pressure oil is conveyed into the gas conveying cavity 29 through the oil inlet pipe 216, the high-pressure oil can be conveyed into the hydraulic oil injection gap through the oil conveying branch pipe 215, the air bag body 26 is driven to shrink through the high-pressure hydraulic oil, and the composite clamping assembly shrinks to clamp and fix a workpiece.
As shown in fig. 6 and 9, the operation table 11 is provided with a support table 223, the support table 223 is provided with an air pump 218 and an oil tank 220, an air outlet pipe 219 is arranged on an air outlet of the air pump 218, the air outlet pipe 219 is communicated with the air inlet pipe 212 through a quick connection pipe, high-pressure air generated by the air pump 218 can be conveyed into the air inlet pipe 212 through the air outlet pipe 219, and meanwhile, in order to prevent the rotation of a workpiece from being influenced by an air conveying pipeline after inflation, the air outlet pipe 219 is connected with the air inlet pipe 212 through the quick connection pipe, so that the workpiece is quickly disassembled and assembled. The miniature oil pump 221 is installed to one side of oil tank 220, installs out oil pipe 222 on miniature oil pump 221's the liquid outlet, goes out and passes through another quick-connect pipe intercommunication between oil pipe 222 and the oil feed pipe 216, and miniature oil pump 221 carries high-pressure oil to the oil feed pipe 216 through out oil pipe 222 in the same way.
Preferably, the plurality of air bag expansion bodies are provided with piezoresistive sensors, and the clamping pressure of the workpiece is monitored in real time through the piezoresistive sensors. The pressure ratio of gas and liquid in the air bag expansion body is 1:2-1:5, so that different rigidity requirements can be met when different workpieces are clamped.
As shown in fig. 1 to 5, the cooling and recovering mechanism 3 includes a liquid supply pipe 31, the liquid supply pipe 31 is mounted on one side of the composite processing unit 12 facing the mounting plate 21, a cooling component is mounted on the liquid supply pipe 31, the cooling component can spray cooling liquid to a workpiece and an appliance for processing the workpiece, the temperature of the workpiece and the appliance can be reduced by the cooling liquid, the workpiece is ensured to be in a low-temperature state during processing, and the composite clamping component is protected while the processing efficiency is improved. Meanwhile, when the cooling liquid is sprayed on the workpiece, scraps generated during machining can be intercepted, so that the cooling liquid and the scraps are deposited on the operating table 11, and the scraps are prevented from splashing. An infusion assembly for supplying the cooling liquid to the supply pipe 31 is mounted at the bottom of the operation table 11, and the cooling liquid is supplied. Be provided with on the operation panel 11 and be used for retrieving cooling liquid and piece recovery subassembly, cooling liquid and piece through the cooling liquid interception are handled through recovery subassembly for can recycle after the cooling liquid handles.
As shown in fig. 12, the cooling assembly includes a plurality of liquid outlet branch pipes 32, the plurality of liquid outlet branch pipes 32 are installed on the side wall of the liquid supply pipe 31 in an equidistant manner, the plurality of liquid outlet branch pipes 32 are all installed with third switch valves 33, one end of the plurality of liquid outlet branch pipes 32 far away from the liquid supply pipe 31 is installed with a corrugated hose 34, the liquid outlet of the corrugated hose 34 is installed with an atomizing nozzle 35, the liquid inlet of the liquid supply pipe 31 is installed with a liquid delivery pipe 36, and one end of the liquid delivery pipe 36 far away from the liquid supply pipe 31 is installed with a liquid delivery pump 37. By the deformability of the tube 36, the spray angle and position of the reinforcement layer 27 can be adjusted to better cool the workpiece and the tool while preventing splashing of the chips and collecting the chips.
As shown in fig. 1-5, the recycling component comprises a collecting tank 312, the collecting tank 312 is arranged on the operating platform 11 and below the composite clamping component, a plurality of through holes 313 are formed in the wall of the bottom of the collecting tank 312 in a penetrating manner, a liquid storage tank 39 is fixedly connected to the bottom wall plate of the operating platform 11 below the collecting tank 312, a first filter screen 310 and a second filter screen 311 are detachably arranged in the liquid storage tank 39, the first filter screen 310 is arranged above the second filter screen 311, a liquid inlet pipe 38 is arranged at a position, close to the bottom, of the liquid storage tank 39, and one end, placed outside the liquid storage tank 39, of the liquid inlet pipe 38 is arranged on a liquid inlet of the liquid delivery pump 37. After cooling the workpiece and the processing tool, the cooling liquid is used for collecting scraps and then falling on the operating table 11, water flow carries scraps into the collecting tank 312, large-particle scraps are intercepted through the through holes 313, water flow and small-particle scraps enter the liquid storage tank 39 through the through holes 313, and the first filter screen 310 and the second filter screen 311 can be used for filtering and intercepting small-particle impurities and micro-particle impurities in water, so that the cooling liquid can be recycled after being recycled.
It should be noted that, the numerically-controlled machine tool is provided with an automatic control program, so that the workpiece clamping operation is convenient and the workpiece clamping operation is convenient to monitor, and the self-adaptive clamping mechanism 2 and the cooling recovery mechanism 3 are controlled through the automatic control degree.
When the device is used, when a tubular workpiece is fixed, the tubular workpiece is sleeved on the workpiece of the composite clamping assembly, so that the inner wall of the workpiece is in contact with the outer wall of the composite clamping assembly, the air outlet pipe 219 is communicated with the air inlet pipe 212 through the quick connecting pipe, the air pump 218 is started so as to convey high-pressure air into the air conveying cavity 29, the electromagnetic valve 211 is opened, the high-pressure air can be conveyed into the air bag body 26, the composite clamping assembly is expanded through the expansion of the air bag body 26, the outer wall of the composite clamping assembly is tightly attached to the inner wall of the workpiece, and the fixation and stability of the workpiece are ensured;
When the block-shaped workpiece is fixed, the block-shaped workpiece is placed in an inner ring of the composite clamping assembly, so that the outer wall of the workpiece is in contact with the inner wall of the composite clamping assembly, the composite clamping assembly is inflated by inflating the airbag body 26, meanwhile, high-pressure oil is conveyed into the oil conveying cavity 214 through the miniature oil pump 221 so as to convey the high-pressure oil to a hydraulic oil injection gap, the airbag body 26 is compressed by the pressure of the high-pressure oil, the inner wall of the composite clamping assembly is contracted, the inner wall of the composite clamping assembly is tightly attached to the outer wall of the workpiece, and the fixation of the block-shaped workpiece is completed;
When the special-shaped workpiece is fixed, the inflation pressure of the airbag body 26 on the corresponding airbag expansion body is adjusted through the contact surfaces of different airbag expansion bodies and the workpiece, so that the composite clamping assembly can be tightly attached to the surface of the special-shaped workpiece, and the fixing of the workpiece is stable;
When the compound clamping assembly is used for clamping and fixing a workpiece, the atomizing nozzle 35 can spray cooling liquid uniformly onto the surfaces of the workpiece and a processing tool after atomizing the cooling liquid to cool the workpiece and the processing tool, meanwhile, atomized cooling liquid can intercept scraps during processing, the scraps are prevented from being splashed and recycled through the cooling liquid, the recycled cooling liquid and scraps enter the collecting tank 312, and the cooling liquid and scraps are separated after being graded and filtered through the through hole 313, the first filter screen 310 and the second filter screen 311, so that the cooling liquid and the scraps can be recycled.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
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 (10)
1. The utility model provides a turning and milling combined machining digit control machine tool which characterized in that includes:
the machine tool body comprises an operation table, wherein a composite machining unit for carrying out drilling, grinding and milling integrated machining on a workpiece is arranged on the operation table;
The self-adaptive clamping mechanism comprises a mounting plate, wherein the mounting plate is fixedly connected to an operation table, a rotating shaft is rotationally connected to the mounting plate, a composite clamping assembly is installed at one end of the rotating shaft facing the composite processing unit in a detachable mode, the composite clamping assembly forms an annular structure through combination of a plurality of air bag expansion bodies, the air bag expansion bodies are respectively provided with an air bag body, a reinforcing layer and a contact layer, an inflation assembly for inflating the air bag body is arranged on the composite clamping assembly, a hydraulic oil injection gap is arranged between the air bag body and the reinforcing layer, and an oiling assembly for oiling the hydraulic oil injection gap is arranged on the composite clamping assembly;
The cooling recovery mechanism comprises a liquid supply pipe, wherein the liquid supply pipe is arranged on one side of the composite processing unit facing the mounting plate, a cooling assembly is arranged on the liquid supply pipe, an infusion assembly for supplying cooling liquid to the supply pipe is arranged at the bottom of the operation table, and a recovery assembly for recovering the cooling liquid and chips is arranged on the operation table.
2. The turning and milling composite machining numerical control machine tool according to claim 1, wherein a fixed disc is fixedly connected to one end of the rotating shaft facing the composite machining unit, the composite clamping assembly further comprises a mounting disc, a plurality of fixing bolt groups are fixedly connected to the side wall of the mounting disc facing the fixed disc in an annular mode at equal intervals, mounting holes matched with the plurality of fixing bolt groups are formed in the fixed disc, the fixing disc and the mounting disc are fixed together through the mounting holes by the fixing bolt groups, a buffer ring is arranged between the fixed disc and the mounting disc, a fixed ring is fixedly connected to the side wall of the mounting disc far away from the fixed disc, one ends of a plurality of air bag expansion bodies are fixedly connected to the side wall of the fixed ring, and a plurality of air bag expansion bodies are connected through flexible hinges.
3. The turning and milling composite machining numerical control machine tool according to claim 2, wherein the air bag body, the reinforcing layer and the contact layer are sequentially arranged from inside to outside to form an air bag expansion body with a composite structure formed by combining an inner expansion structure, an intermediate limiting structure and an outer contact structure.
4. The turning and milling composite machining numerical control machine tool according to claim 3, wherein the air bag body is made of high-strength rubber, the reinforcing layer is made of aramid fiber, the contact layer is a flexible contact layer made of rubber, and anti-slip grids are arranged on the outer side wall of the contact layer.
5. The turning and milling combined machining numerical control machine tool according to claim 4, wherein the gas transmission assembly comprises a gas transmission cavity, the gas transmission cavity is formed in a fixing ring in an annular mode, a plurality of gas transmission branch pipes of corresponding number are installed between the fixing ring and the plurality of gas bag expansion bodies, one ends of the plurality of gas transmission branch pipes are communicated with the gas transmission cavity, the other ends of the plurality of gas transmission branch pipes are respectively communicated with the corresponding gas bag bodies, electromagnetic valves are installed on the plurality of gas transmission branch pipes, a gas inlet pipe is installed on the outer side wall of the fixing ring in a mode of being communicated with the gas transmission cavity, and a first regulating valve is installed on the gas inlet pipe.
6. The numerical control lathe according to claim 5, wherein the oil delivery assembly comprises an oil delivery cavity, the oil delivery cavity is formed in a fixing ring in an annular mode, the oil delivery cavity is arranged on the outer side of the oil delivery cavity, a plurality of oil delivery branch pipes of corresponding quantity are installed between the fixing ring and the air bag expansion bodies, one ends of the plurality of oil delivery branch pipes are communicated with the oil delivery cavity, the other ends of the plurality of oil delivery branch pipes sequentially penetrate through the contact layer and the reinforcing layer and are placed in the hydraulic oil injection gap, an oil inlet pipe is installed on the outer side wall of the fixing ring in a mode of being communicated with the oil delivery cavity, and a second regulating valve is installed on the oil inlet pipe.
7. The turning and milling composite machining numerical control machine tool according to claim 6, wherein a supporting table is installed on the operating table, an air pump and an oil tank are installed on the supporting table, an air outlet pipe is installed on an air outlet of the air pump, the air outlet pipe is communicated with the air inlet pipe through a quick connecting pipe, a micro oil pump is installed on one side of the oil tank, an oil outlet pipe is installed on a liquid outlet of the micro oil pump, and the oil outlet pipe is communicated with an oil inlet pipe through another quick connecting pipe.
8. The turning and milling combined machining numerical control machine tool according to claim 7, wherein the plurality of air bag expansion bodies are provided with piezoresistive sensors, and the pressure ratio of air pressure and liquid pressure in the air bag expansion bodies is 1:2-1:5 so as to adapt to different rigidity requirements when clamping different workpieces.
9. The turning and milling combined machining numerical control machine tool according to claim 1, wherein the cooling assembly comprises a plurality of liquid outlet branch pipes, the liquid outlet branch pipes are arranged on the side wall of the liquid supply pipe in an equidistant mode, a plurality of third switch valves are arranged on the liquid outlet branch pipes, a corrugated hose is arranged at one end, far away from the liquid supply pipe, of the liquid outlet branch pipes, an atomizing nozzle is arranged on a liquid outlet of the corrugated hose, a liquid conveying pipe is arranged on a liquid inlet of the liquid supply pipe, and a liquid conveying pump is arranged at one end, far away from the liquid supply pipe, of the liquid conveying pipe.
10. The turning and milling composite machining numerical control machine tool according to claim 9, wherein the recovery assembly comprises a collecting tank, the collecting tank is arranged on an operating table and below the composite clamping assembly, a plurality of through holes are formed in a bottom tank wall of the collecting tank in a penetrating mode, a liquid storage tank is fixedly connected to a bottom wall plate of the operating table below the collecting tank, a first filter screen and a second filter screen are detachably arranged in the liquid storage tank, the first filter screen is arranged above the second filter screen, a liquid inlet pipe is arranged at a position, close to the bottom, of the liquid storage tank, and one end, arranged on the outer side of the liquid storage tank, of the liquid inlet pipe is arranged on a liquid inlet of the liquid conveying pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510625410.3A CN120287062A (en) | 2025-05-15 | 2025-05-15 | A CNC machine tool for turning, grinding and milling composite processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510625410.3A CN120287062A (en) | 2025-05-15 | 2025-05-15 | A CNC machine tool for turning, grinding and milling composite processing |
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| Publication Number | Publication Date |
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| CN120287062A true CN120287062A (en) | 2025-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202510625410.3A Pending CN120287062A (en) | 2025-05-15 | 2025-05-15 | A CNC machine tool for turning, grinding and milling composite processing |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN214724344U (en) * | 2021-04-28 | 2021-11-16 | 大连仓敷橡胶零部件有限公司 | Pneumatic silica gel flexible clamping jaw |
| CN215280813U (en) * | 2021-07-09 | 2021-12-24 | 盐城市华南机床有限公司 | A turning, grinding and milling compound machine tool |
| CN217990978U (en) * | 2022-08-08 | 2022-12-09 | 苏州卫诚宣精密机械有限公司 | Chuck four-jaw light supporting tool for reducing machining deformation of thin-wall ring workpiece |
| CN116689795A (en) * | 2023-07-28 | 2023-09-05 | 泰州俊宇不锈钢材料有限公司 | Turning lathe for stainless steel product production |
| CN221984569U (en) * | 2024-02-01 | 2024-11-12 | 广东捷邦实业有限公司 | A CNC milling machine tool |
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2025
- 2025-05-15 CN CN202510625410.3A patent/CN120287062A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN214724344U (en) * | 2021-04-28 | 2021-11-16 | 大连仓敷橡胶零部件有限公司 | Pneumatic silica gel flexible clamping jaw |
| CN215280813U (en) * | 2021-07-09 | 2021-12-24 | 盐城市华南机床有限公司 | A turning, grinding and milling compound machine tool |
| CN217990978U (en) * | 2022-08-08 | 2022-12-09 | 苏州卫诚宣精密机械有限公司 | Chuck four-jaw light supporting tool for reducing machining deformation of thin-wall ring workpiece |
| CN116689795A (en) * | 2023-07-28 | 2023-09-05 | 泰州俊宇不锈钢材料有限公司 | Turning lathe for stainless steel product production |
| CN221984569U (en) * | 2024-02-01 | 2024-11-12 | 广东捷邦实业有限公司 | A CNC milling machine tool |
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