CN115945708A - Steel ball turning machine tool for improving machining stability of workpiece - Google Patents
Steel ball turning machine tool for improving machining stability of workpiece Download PDFInfo
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- CN115945708A CN115945708A CN202310248267.1A CN202310248267A CN115945708A CN 115945708 A CN115945708 A CN 115945708A CN 202310248267 A CN202310248267 A CN 202310248267A CN 115945708 A CN115945708 A CN 115945708A
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Abstract
The invention relates to the field of machine tool machining, and discloses a steel ball turning machine tool for improving the machining stability of a workpiece, which comprises a machine body, wherein an installation plate is fixedly connected in the machine body, and a stabilizing mechanism is movably installed at the top of the installation plate; the stabilizing mechanism comprises a turntable, the left side of the turntable is rotatably connected with a picking part, the left side of the picking part is provided with a receiving groove, an oil storage cavity and a pressure cavity are formed in the picking part, a sliding hole is formed between the oil storage cavity and the receiving groove, the inside of the sliding hole is slidably connected with a mandril, the left end of the mandril is made of a magnetic material, and a connecting hole is formed between the oil storage cavity and the pressure cavity; through setting up stabilizing mean on the right side at the charge bar, when spherical work piece is downcut, because spherical work piece right-hand member is fixed, can not appear rocking, skew in bulldozing that should rotate at a high speed or turning equipment, guaranteed spherical work piece's machining precision, simultaneously in the twinkling of an eye that cuts off, also can not be thrown out because of rotating, protected spherical work piece and lathe inner facility.
Description
Technical Field
The invention relates to the field of machine tool machining, in particular to a steel ball turning machine tool for improving the machining stability of a workpiece.
Background
The machine tool is one of the most widely applied parts production and processing equipment, is divided into a plurality of types such as a milling machine, a lathe, a boring machine and the like, and has the working principle that a cutter is controlled to move in a three-dimensional coordinate space through program coding so as to process a workpiece raw material into a required shape;
the steel ball is a common industrial part and is used in a bearing part, a sliding part and a sealing part, the processing method of the steel ball is generally a turning method, a casting method or a dropping method, and because the processing precision of the casting method or the dropping method is low, the turning method is mostly adopted when producing the high-precision steel ball, namely, a material rod is turned into a ball by a lathe, and the method specifically comprises the following steps: the material bar is installed on a clamp, a program control cutter firstly carries out rough machining on the material bar to form a primary contour, finish machining is carried out to form a spherical workpiece with a smooth surface and an accurate size, and finally the spherical workpiece is separated from the material bar to obtain a finished product of the steel ball.
In the process of cutting the spherical workpiece and the material rod, because the connecting part of the spherical workpiece and the material rod is gradually reduced, the spherical workpiece cannot be well fixed in the later period, slight shaking possibly occurs in the cutting process, the machining precision of the spherical workpiece is affected, and meanwhile, the spherical workpiece is thrown out due to centrifugal force generated by rotation in the moment of being cut off and is impacted inside a machine tool to cause damage to the spherical workpiece or an internal mechanism of the machine tool, so that the problem is solved by the steel ball turning machine tool for improving the machining stability of the workpiece.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a steel ball turning machine tool for improving the processing stability of a workpiece, and the design has the advantages that the stabilizing mechanism is arranged on the right side of the material rod, during processing, the spherical workpiece extrudes the ejector rod, the ejector rod is sunken to wrap the spherical workpiece, so that a large number of ejector rods are contacted with the spherical workpiece, and the spherical workpiece is firmly grabbed by the adsorption force of a magnetic material and the supporting force of an arc-shaped surface;
meanwhile, the connecting hole is sealed by the flat sealing plate, the oil storage cavity becomes a sealed environment, the ejector rod cannot move, and thus the spherical workpiece is completely fixed;
when spherical workpiece is cut off, because spherical workpiece right-hand member is fixed, can not appear rocking, skew in bulldozing that should high-speed rotation or turning equipment, guaranteed spherical workpiece's machining precision, simultaneously in the twinkling of an eye of cutting off, also can not be thrown out because of rotating, protected spherical workpiece and lathe inner facilities.
After spherical work piece is downcut, stabilizing mean resets, and the ejector pin quantity with spherical work piece contact reduces, can't form effective absorption back, and spherical work piece landing falls into in the buffer tube and steadily falls to the ground, adjusts the grabbing power of picking up the piece to spherical work piece through the method of control contact ejector pin quantity like this, and it is powerful when picking up and snatching, and is light when puting in, reduces the unnecessary atress of mechanism parts everywhere, lets equipment work more smooth and easy, uses more lastingly.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A steel ball turning machine tool for improving the machining stability of a workpiece comprises a machine body, wherein a numerical control computer is installed on the front surface of the machine body, an installation plate is fixedly connected inside the machine body, a driving device is fixedly connected to the inner wall of the machine body, a clamp is fixedly connected to the right side of the driving device, a steel material rod is clamped by the right side of the clamp, a turning device is movably installed at the top of the installation plate, the material rod is turned into a spherical workpiece by the turning device, and a stabilizing mechanism is movably installed at the top of the installation plate;
the stabilizing mechanism comprises a sliding block which is connected to the top of the mounting plate in a sliding manner, the left side of the sliding block is fixedly connected with a connecting rod, the left side of the connecting rod is fixedly connected with a turntable, the left side of the turntable is rotatably connected with a picking piece, a bearing is arranged between the picking piece and the turntable, and the axis line of the picking piece is superposed with the axis extension line of the material rod;
the left side of the picking piece is provided with an accommodating groove, an oil storage cavity and a pressure cavity are formed in the picking piece, hydraulic oil is filled in the oil storage cavity and the pressure cavity, a sliding hole is formed between the oil storage cavity and the accommodating groove, the sliding Kong Fenceng is distributed in a surrounding mode, an ejector rod is connected inside the sliding hole in a sliding mode, the left end of the ejector rod is made of a magnetic material, the magnetic material has certain adsorption force on a spherical workpiece, a connecting hole is formed between the oil storage cavity and the pressure cavity, the ejector rod located at the axis of the picking piece extends out of the sliding hole from the right side, one extending end of the ejector rod is fixedly connected with a flat sealing plate, a reset spring is arranged on the left side of the flat sealing plate, the right wall of the pressure cavity is fixedly connected with a pressure air bag, the pressure air bag is connected with the atmosphere, and the wall of the pressure air bag has elasticity;
power equipment is arranged between the sliding block and the mounting plate;
the spherical workpiece at least
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The magnetic material on the top rod (the change of which is determined by the weight of the spherical workpiece) is contacted to form effective adsorption, i.e. the magnetic material cannot slide or be thrown out;
the top of the mounting plate is fixedly connected with a buffer tube extending to the bottom of the inner wall of the machine body, the buffer tube is positioned below the picking part, so that after the stabilizing mechanism is reset, the spherical workpiece just falls into the buffer tube, and the bottom end of the buffer tube is provided with a slope;
furthermore, the inside of slide opening sets up the stopper, and the slide opening is also more toward outer lane quantity, and the slide opening outermost ring diameter is greater than the material stick diameter, the degree of depth of accomodating the groove is not less than the one third of outermost ring slide opening distribution diameter.
Furthermore, a limiting ring is arranged on the outer side of the ejector rod, when the left end of the ejector rod is flush with the opening of the accommodating groove, the limiting block is in contact with the limiting ring, a sealing ring is arranged at the right end of the ejector rod, and the outer side of the magnetic material at the left end of the ejector rod is wrapped with a viscous rubber material;
the diameter of the flat sealing plate is larger than that of the connecting hole.
Furthermore, reset spring cup joints in the outside of corresponding ejector pin, and when reset spring was in balanced state, the left end that corresponds the ejector pin was with accomodate the groove opening parallel and level, and flat shrouding does not contact with the connecting hole.
Further, the force required by the extension of the return spring is smaller than the attractive force of the magnetic material to the material rod.
Further, a balance mechanism is arranged inside the picking part;
the balance mechanism comprises a sliding hole arranged between the right wall of the oil storage cavity and the connecting hole, a side flow pipe is fixedly connected between the sliding hole and the second-step sliding hole from inside to outside, and a gap is kept between the side flow pipes
Furthermore, the balance mechanism further comprises a side sealing plate fixedly connected to the right side of the flat sealing plate.
Furthermore, the maximum distance from the opening of the side flow hole in the connecting hole to the right wall of the oil storage cavity is set to be X, the number and the position of the side sealing plates correspond to those of the side flow hole, and the length of the side sealing plates is the same as that of X.
Further, a time delay mechanism is arranged inside the pressure cavity;
the time delay mechanism comprises a sleeve fixedly connected to the opening at the right side of the connecting hole, an extension spring is fixedly connected to the inside of the sleeve, the right side of the extension spring is fixedly connected with a movable sealing plate, and a flow limiting hole is formed in the side face of the movable sealing plate.
Further, the diameter of activity shrouding is greater than sheathed tube internal diameter, and the activity shrouding seals sleeve pipe right side opening, and hydraulic oil flows through from the left side, can open the activity shrouding, and the area of opening is greater than the area of restricted aperture, the diameter of restricted aperture is less than the diameter of connecting hole.
Furthermore, the numerical control computer is internally provided with a control system and a program, the driving device and the turning device are internally provided with a driving unit, the stabilizing mechanism is internally provided with a control unit, and the control unit and the driving unit are electrically connected with the numerical control computer and are controlled by the system. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) According to the scheme, the stabilizing mechanism is arranged on the right side of the material rod, when the material rod is machined, the spherical workpiece extrudes the ejector rods, the ejector rods are sunken to wrap the spherical workpiece, so that a large number of ejector rods are in contact with the spherical workpiece, and the spherical workpiece is firmly grabbed through the adsorption force of the magnetic material and the supporting force of the arc-shaped surface;
meanwhile, the connecting hole is sealed by the flat sealing plate, the oil storage cavity becomes a sealed environment, the ejector rod cannot move, and thus the spherical workpiece is completely fixed;
when the spherical workpiece is cut off, the right end of the spherical workpiece is fixed, so that the spherical workpiece cannot shake or shift due to high-speed rotation or pushing of turning equipment, the machining precision of the spherical workpiece is ensured, and meanwhile, the spherical workpiece cannot be thrown out due to rotation at the moment of cutting off, so that the spherical workpiece and internal facilities of a machine tool are protected;
after the spherical workpiece is cut off, the stabilizing mechanism resets, the number of the ejector rods in contact with the spherical workpiece is reduced, the spherical workpiece slides down and falls into the buffer tube to stably land after effective adsorption cannot be formed, so that the grabbing force of the picking piece on the spherical workpiece is adjusted by controlling the number of the contact ejector rods, the picking is powerful when the picking is carried out, the throwing is easy, unnecessary stress on parts at each part of the mechanism is reduced, the equipment works more smoothly, and the use is more durable;
meanwhile, the ejector rods for dense material discharge are used for fixing the spherical workpieces, so that the spherical workpieces with different sizes can be used, the application range is wide, and the adaptability is strong.
(2) Through the outside parcel viscidity rubber material at ejector pin left end magnetic material, so can increase the frictional force between ejector pin and the spherical work piece, cooperate magnetic material to the adsorption affinity of spherical work piece again like this, can reduce the spherical work piece when rotating and the relative displacement who takes place between the ejector pin, more rotate through the bearing between picking up piece and the carousel, the effectual wearing and tearing that have reduced spherical work piece in the course of working have further improved spherical work piece's machining precision.
(3) Required power is less than the appeal of magnetic material to the material stick when making reset spring tensile, so can prevent when stabilizing mean from reseing, reset spring drives central department ejector pin and resets rapidly, leads to picking up the piece not yet to reach the assigned position, and spherical work piece just is fallen by the top, has improved the reliability of equipment operation like this.
(4) Through the whole independent wall of sliding hole through to inside out second echelon, when so snatching, flat shrouding seals the connecting hole, and the side seal board seals the side flow hole, so is independent confined space with the sliding hole of each side flow pipe switch-on, and the ejector pin that corresponds with it is died by the lock, and unable removal has guaranteed the stability when spherical work piece processing like this, and the power of whatever direction all can't make its skew, has improved the machining precision.
(5) Through the opening part installation time delay mechanism at the connecting hole, in the grabbing process, hydraulic oil flows from the oil storage cavity to the pressure cavity, this in-process movable closing plate is pushed open by the hydraulic oil that flows, so hydraulic oil can flow fast, make the work of grabbing accomplish rapidly, improve work efficiency, put in the in-process, hydraulic oil flows from the pressure cavity to the oil storage cavity, extension spring drives movable closing plate and resets, hydraulic oil can only pass through from constrictive restricted aperture, so hydraulic oil flows slowly, put in work and go on slowly relatively, give the sliding block, the connecting rod, pick up the sufficient reset time of piece, prevent spherical work piece landing in advance, flow speed that comes and goes through changing hydraulic oil like this, form great velocity difference, when making its work efficiency obtain the assurance, equipment operation is still stable.
Drawings
FIG. 1 is a schematic exterior fuselage view of the present invention;
FIG. 2 is a schematic view of the gripping state of the stabilizing mechanism of the present invention;
FIG. 3 is a schematic view of the release state of the stabilizing mechanism of the present invention;
FIG. 4 is an external view of the picking member of FIG. 2 in accordance with the present invention;
FIG. 5 is an external view of the picking member of FIG. 2 according to the present invention;
FIG. 6 is an enlarged view taken at A of FIG. 5 in accordance with the present invention;
FIG. 7 is an external view of the picking member of FIG. 3 in accordance with the present invention;
FIG. 8 is an external view of the picking member of FIG. 3 in accordance with the present invention;
FIG. 9 is an enlarged view taken at B of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic view of the grabbing state of the delay mechanism of the present invention;
fig. 11 is a schematic diagram of the release state of the delay mechanism of the present invention.
The numbering in the figures illustrates:
1. a body; 2. mounting a plate; 3. a drive device; 4. a clamp; 5. a material rod; 6. turning equipment; 7. a stabilizing mechanism; 71. a slider; 72. a connecting rod; 73. a turntable; 74. picking up the part; 75. a receiving groove; 76. an oil storage cavity; 77. a pressure chamber; 78. a slide hole; 79. a top rod; 710. connecting holes; 711. a flat sealing plate; 712. a pressure bladder; 8. a balancing mechanism; 81. a lateral flow aperture; 82. a lateral flow tube; 83. a side sealing plate; 9. a time delay mechanism; 91. a sleeve; 92. an extension spring; 93. a movable closing plate; 94. a flow restriction orifice; 10. a buffer tube.
Detailed description of the preferred embodiments
The present embodiment will be clearly and completely described in conjunction with the disclosed drawings, so that the purpose, technical solutions and beneficial effects of the embodiments of the present disclosure will be more clear. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without inventive step, are within the scope of protection of the disclosure.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of skill in the art to which this disclosure belongs. The use of "first," "second," and the like in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" and similar words are intended to mean that the elements or items listed before the word cover the elements or items listed after the word and their equivalents, without excluding other elements or items. "upper", "lower", "inside", "outside", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
Examples
Referring to fig. 1-9, a steel ball turning machine tool for improving the processing stability of a workpiece comprises a machine body 1, wherein a numerical control computer is installed on the front surface of the machine body 1, an installation plate 2 is fixedly connected inside the machine body 1, a driving device 3 is fixedly connected to the inner wall of the machine body 1, a clamp 4 is fixedly connected to the right side of the driving device 3, a steel material bar 5 is clamped by the right side of the clamp 4, a turning device 6 is movably installed at the top of the installation plate 2, the material bar 5 is turned into a spherical workpiece by the turning device 6, and a stabilizing mechanism 7 is movably installed at the top of the installation plate 2;
the stabilizing mechanism 7 comprises a sliding block 71 which is connected to the top of the mounting plate 2 in a sliding manner, the left side of the sliding block 71 is fixedly connected with a connecting rod 72, the left side of the connecting rod 72 is fixedly connected with a turntable 73, the left side of the turntable 73 is rotatably connected with a picking piece 74, a bearing is arranged between the picking piece 74 and the turntable 73, and the axial lead of the picking piece 74 is superposed with the axial extension line of the material rod 5, so that the picking piece 74 can accurately pick the spherical workpiece;
the left side of the picking piece 74 is provided with a containing groove 75, an oil storage cavity 76 and a pressure cavity 77 are formed in the picking piece 74, hydraulic oil is filled in the oil storage cavity 76 and the pressure cavity 77, power transmission and friction reduction effects are achieved, a sliding hole 78 is formed between the oil storage cavity 76 and the containing groove 75, the sliding hole 78 is distributed in a layered surrounding mode, the inside of the sliding hole 78 is connected with a push rod 79 in a sliding mode, the left end of the push rod 79 is made of magnetic materials, the magnetic materials have certain adsorption force on spherical workpieces, therefore, after the material rods 5 are cut off, certain grabbing force is provided for the spherical workpieces, the spherical workpieces are prevented from being thrown out, a connecting hole 710 is formed between the oil storage cavity 76 and the pressure cavity 77, the push rod 79 located at the position of the picking piece 74 extends out of the sliding hole 78 from the right side, one extending end of the push rod is fixedly connected with a flat sealing plate 711, the left side of the flat sealing plate 711 is provided with a return spring, the return spring helps the flat sealing plate 711 to return, the right wall of the pressure cavity 77 is fixedly connected with a pressure air bag 712, the pressure air bag 712 is connected with the atmosphere, and when the pressure bag is extruded, the pressure bag 712 is extruded, and the air in the air bag, and the air bag is discharged out, and the air bag is extruded by the pressure bag;
a power device is arranged between the sliding block 71 and the mounting plate 2 to provide power for the mounting plate 2;
spherical workpiece at least
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The magnetic material on the top rod 79 (the change of which depends on the weight of the spherical workpiece) is contacted to form effective adsorption, namely, the magnetic material cannot slide or be thrown out;
the top of the mounting plate 2 is fixedly connected with a buffer tube 10 extending to the bottom of the inner wall of the machine body 1, the buffer tube 10 is positioned below the picking piece 74, so that after the stabilizing mechanism 7 is reset, the spherical workpiece just falls into the buffer tube 10, and the bottom end of the buffer tube 10 is provided with a slope, so that the impact force of the spherical workpiece when falling is reduced;
a control system and a program are arranged in the numerical control computer, a driving unit is arranged in each of the driving device 3 and the turning device 6, a control unit is arranged in each of the stabilizing mechanisms 7, and the control units and the driving units are electrically connected with the numerical control computer and controlled by the system.
By arranging the stabilizing mechanism 7 on the right side of the material rod 5, when machining is carried out, a control program starts to run, the driving unit is started, the driving device 3 firstly drives the clamp 4 and the material rod 5 to rotate at a high speed, the turning device 6 is close to the material rod 5, and according to the set conditions of the program, the material rod is turned into spherical workpieces with corresponding sizes through two machining steps of rough machining and finish machining;
after the finish machining program is operated, the control unit is started, the power equipment drives the sliding block 71 to move leftwards, the sliding block 71 drives the picking piece 74 to be close to the spherical workpiece through the connecting rod 72 and the turntable 73, the ejector rod 79 continuously moves after contacting with the spherical workpiece, the spherical workpiece pushes the ejector rod 79 to the deep part of the sliding hole 78, the hydraulic oil in the sliding hole 78 and the oil storage cavity 76 is pushed into the pressure cavity 77 through the connecting hole 710 in the moving process of the ejector rod 79, the pressure in the pressure cavity 77 is increased to extrude the pressure air bag 712, and the pressure air bag 712 is contracted;
along with the spherical workpiece goes deep into the accommodating groove 75, the ejector rod 79 sequentially contacts and is pushed with the spherical workpiece according to the distribution sequence of the inner ring and the outer ring until the ejector rod 79 at the center pushes the flat sealing plate 711 against the opening of the connecting hole 710, at the moment, the ejector rod 79 is arranged at the left side to form an arc-shaped surface attached to the surface of the spherical workpiece, a large ejector rod 79 is directly contacted with the spherical workpiece, the spherical workpiece is firmly grabbed through the adsorption force of a magnetic material and the supporting force of the arc-shaped surface, the connecting hole 710 is sealed by the flat sealing plate 711, the oil storage cavity 76 becomes a sealed environment, the ejector rod 79 cannot move, the spherical workpiece is completely fixed, the picking piece 74 also rotates along with the spherical workpiece, the turning equipment 6 cuts the spherical workpiece at the starting moment, the right end of the spherical workpiece is fixed, the spherical workpiece cannot shake or offset due to high-speed rotation or pushing of the turning equipment 6, the machining precision of the spherical workpiece is guaranteed, and the spherical workpiece and internal facilities of a machine tool cannot be thrown out due to rotation at the moment of cutting;
after the spherical workpiece is cut off, the stabilizing mechanism 7 is reset, the sliding block 71 drives the picking piece 74 to move to the position above the buffer tube 10, the spherical workpiece and the main body of the material rod 5 are separated, the extrusion force on the ejector rod 79 is lost, the pressure air bag 712 begins to expand to push hydraulic oil in the pressure cavity 77 to the interior of the oil storage cavity 76, the flat sealing plate 711 is pushed open, the reset spring drives the ejector rod 79 at the center to reset, the hydraulic oil enters the sliding hole 78 to push the surrounding ejector rod 79 to move, the ejector rod 79 pushes the spherical workpiece to leave the storage groove 75, in the process, the ejector rod 79 at the outermost side moves to the opening of the storage groove 75 first, the limiting block and the limiting ring prevent the ejector rod from continuously moving and separating from the spherical workpiece, the ejector rod 79 is separated from the spherical workpiece from the outer ring to the inner ring gradually, when the number of the ejector rods 79 contacting with the spherical workpiece is too small, effective absorption cannot be formed, the spherical workpiece slides down and falls into the buffer tube 10, and the picking piece is stably landed, so that the picking piece 74 is regulated by a method for controlling the number of the ejector rods 79, and when the spherical workpiece is picked, force is easily applied and the parts, the mechanism is released, and the parts, and the device works more smoothly and the device is more smoothly and used.
The inside of sliding hole 78 sets up the stopper, and sliding hole 78 is more toward outer lane quantity also more, makes mountable ejector pin 79 quantity sufficient, can be through sufficient adsorption affinity, and the outermost diameter of circle of sliding hole 78 is greater than the material stick 5 diameter, and the degree of depth of accomodating groove 75 is not less than the one third of outermost ring sliding hole 78 distribution diameter, guarantees to accomodate groove 75 and has sufficient accommodation space.
The ejector pin 79 outside sets up the spacing ring, and when the ejector pin 79 left end with accomodate 75 openings parallel and level of groove, stopper and spacing ring contact, the right-hand member of ejector pin 79 sets up the sealing washer, prevents that hydraulic oil from revealing.
The outside parcel viscidity rubber material of ejector pin 79 left end magnetic material, so can increase the frictional force between ejector pin 79 and the spherical work piece, the adsorption affinity of magnetic material to spherical work piece is resultantly cooperated again, can reduce the spherical work piece when rotating and the relative displacement who takes place between the ejector pin 79, more rotate through the bearing between picking up piece 74 and carousel 73, the effectual wearing and tearing that have reduced spherical work piece in the course of working, further improved spherical work piece's machining precision.
The flat sealing plate 711 has a diameter larger than that of the coupling hole 710 so that it can completely seal the coupling hole 710.
The return spring is sleeved on the outer side of the corresponding ejector rod 79, when the return spring is in a balanced state, the left end of the corresponding ejector rod 79 is flush with the opening of the accommodating groove 75, and the flat sealing plate 711 is not in contact with the connecting hole 710;
the force required by the extension of the reset spring is smaller than the attraction force of the magnetic material to the material rod 5, so that when the stabilizing mechanism 7 is reset, the reset spring drives the ejector rod 79 at the center to reset rapidly, the picking piece 74 does not reach the designated position, and the spherical workpiece is ejected and dropped, so that the running reliability of the equipment is improved;
further, a balancing mechanism 8 is provided inside the picking member 74;
the balancing mechanism 8 comprises a lateral flow hole 81 arranged between the right wall of the oil storage cavity 76 and the connecting hole 710, a lateral flow pipe 82 is fixedly connected between the lateral flow hole 81 and the second stepped sliding hole 78 from inside to outside, and gaps are kept between adjacent lateral flow pipes 82, so that hydraulic oil can smoothly flow;
the balancing mechanism 8 further includes a side sealing plate 83 fixedly connected to the right side of the flat sealing plate 711.
The maximum distance from the opening of the side flow hole 81 in the connecting hole 710 to the right wall of the oil reservoir chamber 76 is set to X, the number and position of the side seal plates 83 correspond to those of the side flow hole 81, and the length of the side seal plates 83 is the same as X, so that the side flow hole 81 can be properly closed.
When the spherical workpiece generates a force which deviates towards the circumferential rotation direction, the spherical workpiece may deviate towards the force-bearing direction, the ejector rod 79 at the corresponding position is extruded, the hydraulic oil which is pushed out of the sliding hole 78 by the ejector rod 79 is supplemented into the sliding hole 78 in the symmetrical direction, and the ejector rod 79 in the sliding hole 78 is pushed inwards, so that the processing precision is reduced;
all the sliding holes 78 of the second step from inside to outside are independently isolated, so that when the spherical workpiece is grabbed, the connecting hole 710 is sealed by the flat sealing plate 711, the side flow holes 81 are sealed by the side sealing plates 83, the sliding holes 78 communicated with the side flow pipes 82 are independent sealing spaces, the corresponding ejector rods 79 are locked and cannot move, the stability of the spherical workpiece during machining is ensured, the spherical workpiece cannot be deviated by any force in any direction, and the machining precision is improved;
meanwhile, the ejector rod 79 which is locked is positioned at the inner ring, so that the device is suitable for processing spherical workpieces with various sizes.
Referring to fig. 10-11, a steel ball turning machine tool for improving the processing stability of a workpiece, a delay mechanism 9 is disposed inside a pressure chamber 77;
the time delay mechanism 9 comprises a sleeve 91 fixedly connected to the opening on the right side of the connecting hole 710, an extension spring 92 is fixedly connected inside the sleeve 91, a movable sealing plate 93 is fixedly connected to the right side of the extension spring 92, and a flow limiting hole 94 is formed in the side surface of the movable sealing plate 93.
The diameter of the movable sealing plate 93 is larger than the inner diameter of the sleeve 91, the right opening of the sleeve 91 is sealed by the movable sealing plate 93, when hydraulic oil flows through the left side, the movable sealing plate 93 can be opened, the opened area is larger than the area of the flow limiting hole 94, it is guaranteed that when the hydraulic oil flows from the left side, the hydraulic oil flows faster than the hydraulic oil flows from the right side, the diameter of the flow limiting hole 94 is smaller than that of the connecting hole 710, and the flow speed of the hydraulic oil in different directions is controlled.
By installing the delay mechanism 9 at the opening of the connecting hole 710, in the grabbing process, hydraulic oil flows from the oil storage cavity 76 to the pressure cavity 77, and in the grabbing process, the movable sealing plate 93 is pushed open by the flowing hydraulic oil, so that the hydraulic oil can flow quickly, the grabbing work is completed quickly, the work efficiency is improved, in the throwing process, the hydraulic oil flows from the pressure cavity 77 to the oil storage cavity 76, the stretching spring 92 drives the movable sealing plate 93 to reset, the hydraulic oil can only pass through the narrow flow limiting hole 94, so that the hydraulic oil flow is slowed, the throwing work is performed relatively slowly, the sliding block 71, the connecting rod 72 and the picking piece 74 are reset for enough time, the spherical workpiece is prevented from sliding off in advance, and in this way, by changing the flow speed of the hydraulic oil back and forth, a large flow speed difference is formed, the work efficiency is guaranteed, and the equipment still runs stably.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. The utility model provides an improve steel ball turning lathe of work piece processing stability, includes fuselage (1), the front installation numerical control computer of fuselage (1), inside fixed connection mounting panel (2) of fuselage (1), inner wall fixed connection drive arrangement (3) of fuselage (1), right side fixed connection anchor clamps (4) of drive arrangement (3), the right side centre gripping steel material stick (5) of anchor clamps (4), top movable mounting turning equipment (6) of mounting panel (2), its characterized in that: a stabilizing mechanism (7) is movably arranged at the top of the mounting plate (2);
the stabilizing mechanism (7) comprises a sliding block (71) which is connected to the top of the mounting plate (2) in a sliding mode, the left side of the sliding block (71) is fixedly connected with a connecting rod (72), the left side of the connecting rod (72) is fixedly connected with a rotating disc (73), and the left side of the rotating disc (73) is rotatably connected with a picking piece (74);
the left side of the picking piece (74) is provided with a containing groove (75), an oil storage cavity (76) and a pressure cavity (77) are formed in the picking piece (74), hydraulic oil is filled in the oil storage cavity (76) and the pressure cavity (77), a sliding hole (78) is formed between the oil storage cavity (76) and the containing groove (75), the sliding holes (78) are distributed in a layered surrounding manner, the inside of the sliding hole (78) is connected with a push rod (79) in a sliding manner, the left end of the push rod (79) is made of magnetic materials, a connecting hole (710) is formed between the oil storage cavity (76) and the pressure cavity (77), the push rod (79) positioned at the axis of the picking piece (74) extends out of the sliding hole (78) from the right side, one extending end of the push rod is fixedly connected with a flat sealing plate (711), the left side of the flat sealing plate (711) is provided with a return spring, the right wall of the pressure cavity (77) is fixedly connected with a pressure air bag (712), the pressure air bag (712) is connected with the atmosphere, and the bag wall of the pressure air bag (712) has elasticity;
power equipment is arranged between the sliding block (71) and the mounting plate (2);
the top fixed connection of mounting panel (2) extends to fuselage (1) inner wall bottom buffer tube (10), buffer tube (10) are located the below of picking up piece (74).
2. A steel ball turning machine tool for improving the processing stability of a workpiece according to claim 1, which is characterized in that: the inside of sliding hole (78) sets up the stopper, and sliding hole (78) are more toward outer lane quantity also, and sliding hole (78) outermost circle diameter is greater than material stick (5) diameter, the degree of depth of accomodating groove (75) is not less than the third of outermost ring sliding hole (78) distribution diameter.
3. A steel ball turning machine tool for improving the processing stability of a workpiece according to claim 2, which is characterized in that: the ejector rod (79) outside sets up the spacing ring, when ejector rod (79) left end and accomodate groove (75) opening parallel and level, the spacing block contacts with the spacing ring, and the right-hand member of ejector rod (79) sets up the sealing washer.
4. A steel ball turning machine tool for improving the processing stability of a workpiece according to claim 1, which is characterized in that: the outer side of the magnetic material at the left end of the ejector rod (79) is wrapped with an adhesive rubber material, and the diameter of the flat sealing plate (711) is larger than that of the connecting hole (710).
5. A steel ball turning machine tool for improving the processing stability of a workpiece according to claim 1, which is characterized in that: the reset spring is sleeved on the outer side of the corresponding ejector rod (79), when the reset spring is in a balanced state, the left end of the corresponding ejector rod (79) is flush with the opening of the accommodating groove (75), and the flat sealing plate (711) is not in contact with the connecting hole (710); the force required by the extension of the return spring is less than the attraction force of the magnetic material to the material rod (5).
6. A steel ball turning machine tool for improving the processing stability of a workpiece according to claim 3, which is characterized in that: a balance mechanism (8) is arranged in the picking piece (74);
the balance mechanism (8) comprises a lateral flow hole (81) formed between the right wall of the oil storage cavity (76) and the connecting hole (710), and a lateral flow pipe (82) is fixedly connected between the lateral flow hole (81) and a second stepped sliding hole (78) from inside to outside;
the balance mechanism (8) further comprises a side sealing plate (83) fixedly connected to the right side of the flat sealing plate (711).
7. A steel ball turning machine tool for improving the processing stability of a workpiece according to claim 6, which is characterized in that: the maximum distance from the opening of the side flow hole (81) in the connecting hole (710) to the right wall of the oil storage chamber (76) is set to be X, the number and the position of the side sealing plates (83) correspond to the side flow hole (81), and the length of the side sealing plates (83) is the same as X.
8. A steel ball turning machine tool for improving the processing stability of a workpiece according to claim 1, which is characterized in that: a time delay mechanism (9) is arranged in the pressure cavity (77);
time delay mechanism (9) are including fixed connection sleeve pipe (91) at connecting hole (710) right side opening part, the inside fixed connection extension spring (92) of sleeve pipe (91), the movable shrouding of right side fixed connection (93) of extension spring (92), restricted aperture (94) are seted up to the side of movable shrouding (93).
9. A steel ball turning machine tool for improving the processing stability of a workpiece according to claim 8, which is characterized in that: the diameter of the movable sealing plate (93) is larger than the inner diameter of the sleeve (91), the movable sealing plate (93) seals the right opening of the sleeve (91), and the diameter of the flow limiting hole (94) is smaller than that of the connecting hole (710).
10. A steel ball turning machine tool for improving the processing stability of a workpiece according to claim 1, which is characterized in that: the numerical control computer is internally provided with a control system and a program, the driving device (3) and the turning device (6) are internally provided with driving units, the stabilizing mechanism 7 is internally provided with a control unit, and the control unit and the driving unit are electrically connected with the numerical control computer and controlled by the system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310248267.1A CN115945708B (en) | 2023-03-15 | 2023-03-15 | Steel ball turning machine tool for improving workpiece machining stability |
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| CN202310248267.1A CN115945708B (en) | 2023-03-15 | 2023-03-15 | Steel ball turning machine tool for improving workpiece machining stability |
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| CN115945708B CN115945708B (en) | 2023-06-13 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1777084A1 (en) * | 1968-09-03 | 1971-04-01 | Elastogran Gmbh | Method of finish turning the neck portion on the shaft and the ball of ball stud blanks |
| JPS63283803A (en) * | 1987-04-27 | 1988-11-21 | クムメル・フレーレス・ソシエテ・アノニム・フアブリク・ドウ・マシーヌ | Spherical turning device for lathe |
| CN209811759U (en) * | 2018-12-21 | 2019-12-20 | 歌尔科技有限公司 | Thimble line cutting fixing jig |
| CN110948266A (en) * | 2019-11-28 | 2020-04-03 | 安徽耐科装备科技股份有限公司 | Automatic clamping fixture |
| CN210254287U (en) * | 2019-08-06 | 2020-04-07 | 滕州市大恒机床有限公司 | Numerical control lathe with positioning and clamping structure |
| CN111941101A (en) * | 2020-06-23 | 2020-11-17 | 江苏宏德特种部件股份有限公司 | Cutting processing device for large-scale wind power high-speed gear box body |
| CN113231857A (en) * | 2021-04-28 | 2021-08-10 | 梁超 | Fixing device based on stainless steel cutting |
| CN115302286A (en) * | 2022-08-16 | 2022-11-08 | 成都吉豪汽车部件有限公司 | Magnetic suction tool for arc-shaped part and positioning method thereof |
-
2023
- 2023-03-15 CN CN202310248267.1A patent/CN115945708B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1777084A1 (en) * | 1968-09-03 | 1971-04-01 | Elastogran Gmbh | Method of finish turning the neck portion on the shaft and the ball of ball stud blanks |
| JPS63283803A (en) * | 1987-04-27 | 1988-11-21 | クムメル・フレーレス・ソシエテ・アノニム・フアブリク・ドウ・マシーヌ | Spherical turning device for lathe |
| CN209811759U (en) * | 2018-12-21 | 2019-12-20 | 歌尔科技有限公司 | Thimble line cutting fixing jig |
| CN210254287U (en) * | 2019-08-06 | 2020-04-07 | 滕州市大恒机床有限公司 | Numerical control lathe with positioning and clamping structure |
| CN110948266A (en) * | 2019-11-28 | 2020-04-03 | 安徽耐科装备科技股份有限公司 | Automatic clamping fixture |
| CN111941101A (en) * | 2020-06-23 | 2020-11-17 | 江苏宏德特种部件股份有限公司 | Cutting processing device for large-scale wind power high-speed gear box body |
| CN113231857A (en) * | 2021-04-28 | 2021-08-10 | 梁超 | Fixing device based on stainless steel cutting |
| CN115302286A (en) * | 2022-08-16 | 2022-11-08 | 成都吉豪汽车部件有限公司 | Magnetic suction tool for arc-shaped part and positioning method thereof |
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| Publication number | Publication date |
|---|---|
| CN115945708B (en) | 2023-06-13 |
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