CN115319483B - Automatic production line of automobile hub unit bearing seat - Google Patents
Automatic production line of automobile hub unit bearing seat Download PDFInfo
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- CN115319483B CN115319483B CN202211259597.2A CN202211259597A CN115319483B CN 115319483 B CN115319483 B CN 115319483B CN 202211259597 A CN202211259597 A CN 202211259597A CN 115319483 B CN115319483 B CN 115319483B
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- concave section
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- inner concave
- conical surface
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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
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
- B23B25/06—Measuring, gauging, or adjusting equipment on turning-machines for setting-on, feeding, controlling, or monitoring the cutting 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
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
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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
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
Abstract
The invention relates to an automatic production line of an automobile hub unit bearing seat, which comprises a material machine, a transfer robot, a rough machining lathe and a finish machining center, wherein the material machine is used for loading and conveying a blank; the finish machining center comprises a tool magazine, a tool changing mechanism and a machining spindle, wherein a plurality of required tools are arranged in the tool magazine, the tool changing mechanism is used for assembling and disassembling the tools in the tool magazine to the machining spindle, the finish machining center further comprises an XY plane moving platform and a turnover frame arranged on the XY plane moving platform, a first clamp capable of being turned over by 90 degrees and matched with the turnover frame is arranged on the turnover frame, the XY plane moving platform is used for driving a semi-finished product clamped by the first clamp to move to a target machining position, and axial machining or radial machining after turning is carried out on the semi-finished product through the tools on the machining spindle. The invention utilizes the overturning design of the clamp, and can realize axial and radial processing by clamping once.
Description
Technical Field
The invention belongs to the technical field of intelligent machining and manufacturing, and particularly relates to an automatic production line of a bearing seat of an automobile hub unit.
Background
The function of the automobile hub unit is to bear load and provide accurate guide for the rotation of the hub, and bear axial load and radial load, for example, the automobile hub unit disclosed in patent document with publication number CN 214727905U. The automobile hub unit is characterized in that a component of the automobile hub unit, particularly a bearing seat (also called a flange outer ring or an outer ring) of the automobile hub unit is used as a main body pressure-bearing component, and the machining precision of the component is a key for ensuring safe use.
In the prior art, for example, a full-automatic numerical control composite numerical control lathe for a hub bearing unit assembly disclosed in patent document CN114393221A adds a process after the hub bearing unit assembly is finished, and the hub bearing unit assembly finished composite numerical control lathe is used for turning the axial end face and the radial outer circle of the inner flange plate, so that the axial runout and the radial runout of the hub bearing unit assembly can be ensured within the range of product design parameters, the product precision is not ensured during the finished product processing, but the finished product needs to be reprocessed, and the processing process is complicated.
For another example, patent document CN111958329B discloses a hub unit grinding process applied to high precision and easy assembly, which uses a grinding machine capable of only machining in the axial direction, and if a hole is to be machined in the radial direction, the hub unit needs to be transferred to another machining machine and clamped again for hole machining.
Disclosure of Invention
Based on the above-mentioned shortcomings and drawbacks of the prior art, an object of the present invention is to solve at least one or more of the above-mentioned problems of the prior art, in other words, to provide an automatic production line for a bearing seat of an automobile hub unit, which meets one or more of the above-mentioned needs.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic production line of a bearing seat of an automobile hub unit comprises a material machine, a transfer robot, a rough machining lathe and a finish machining center, wherein the material machine, the rough machining lathe and the finish machining center are distributed along the circumferential direction of the transfer robot; the transfer robot is also used for clamping a semi-finished product obtained by rough machining and conveying the semi-finished product to a finish machining center, and the finish machining center is used for carrying out axial and radial finish machining and radial oil inlet hole machining on the semi-finished product to obtain an automobile hub unit bearing seat;
the finish machining center comprises a tool magazine, a tool changing mechanism and a machining spindle, wherein a plurality of required tools are arranged in the tool magazine, the tool changing mechanism is used for loading and unloading the tools in the tool magazine to the machining spindle, the finish machining center further comprises an XY plane moving platform and a turnover frame arranged on the XY plane moving platform, a first fixture capable of being turned over by 90 degrees and matched with the turnover frame is arranged on the turnover frame, and the XY plane moving platform is used for driving a semi-finished product clamped by the first fixture to move to a target machining position so as to carry out axial machining or radial machining after turning on the semi-finished product through the tools on the machining spindle.
As a preferred scheme, the blank is of a hollow circular truncated cone structure and sequentially comprises an outer edge section, a first inner concave section, a second inner concave section and a third inner concave section along the axial direction of the blank, the outer diameters of the outer edge section, the first inner concave section, the second inner concave section and the third inner concave section are sequentially reduced, the inner diameters of parts of the outer edge section, the first inner concave section and the second inner concave section are equal, the inner diameter surface of the rest part of the second inner concave section and the inner diameter surface of the part of the third inner concave section form a first conical surface roller path, and the minimum inner diameter of the rest part of the second inner concave section is equal to the maximum inner diameter of the part of the third inner concave section; the inner diameter surface of the rest part of the third inner concave section is provided with an oil seal ring groove.
As a preferred scheme, the automobile hub unit bearing seat comprises a matching end obtained by processing an outer edge section of a blank, an outer edge obtained by processing a first inner concave section, and a fixing lug, a second inner concave section and a third inner concave section which are arranged outside the outer edge section, wherein the outer diameter surface of the matching end is of a conical surface structure, the outer diameter of the port of the matching end is the smallest, the inner diameter surface of the matching end is formed into a second conical surface raceway, the first conical surface raceway and the second conical surface raceway are symmetrical, and an oil storage tank is formed between the first conical surface raceway and the second conical surface raceway; the outer diameter of the outer edge part is larger than that of the second inner concave section, and the outer diameter of the second inner concave section is larger than the maximum outer diameter of the matching end; wherein, the inlet port is formed at the outer edge part and radially penetrates to the oil storage tank.
As a preferred scheme, the material machine comprises a rack, and a driving mechanism, a linear guide rail and a material tray which are arranged on the rack, wherein the driving mechanism is in driving connection with a slide block of the linear guide rail, the slide block is in linkage connection with the material tray, the material tray is provided with placing positions distributed in an array manner, and the placing positions are used for placing blanks;
the driving mechanism is used for driving the material tray to move so as to convey the blank to the target area.
As a preferred scheme, the transfer robot is a six-axis manipulator, and a cubic case capable of rotating 360 degrees is arranged at the free end of the six-axis manipulator;
the right side surface of the case is connected with the free end of the six-axis manipulator, and the six-axis manipulator controls the case to vertically rotate for 360 degrees so as to switch the front side surface, the rear side surface or the bottom surface of the case to face downwards; the front side and the back side of the case are respectively provided with a clamping piece; the bottom surface of the case is provided with a camera for visually identifying the blank on the material tray.
Preferably, the camera is arranged in the case, a cover plate is arranged at the bottom opening of the case, and the cover plate is connected with the opening and closing driving mechanism which is used for driving the cover plate to open or close the bottom opening of the case.
Preferably, the rough machining lathe comprises a bedstead, a rotary table arranged in the bedstead, a second clamp, a 30-degree inclination angle XY plane moving platform, a turret and a plurality of tool bits arranged on the turret, wherein the axial direction of the rotary table is parallel to the X axial direction, the second clamp is in linkage connection with the rotary table, and the second clamp is used for clamping a blank; the Y-axial inclination angle of the 30-degree inclination angle XY plane moving platform is 30 degrees, and the 30-degree inclination angle XY plane moving platform is used for driving the cutter tower to move so as to process the outer edge section, the oil storage groove and the second conical surface roller path of the blank through the cutter head.
Preferably, the bedstead is provided with a rotating arm and a knife-breaking detector arranged at the free end of the rotating arm, and the rotating arm is rotatably matched with the bedstead; when the rotating arm rotates to a target detection position, the XY plane moving platform with the inclination angle of 30 degrees drives the cutter head to move to contact the cutter breaking detector, and whether the cutter head is abnormal or not is judged according to the moving distance of the cutter head; wherein, the knife-breaking detector is a pressure sensor or a travel switch.
Preferably, the tool changing mechanism is an oil pressure tool changing mechanism, an air pressure tool changing mechanism or a cam type tool changing mechanism.
Preferably, a tool setting gauge is arranged on the XY plane moving platform and used for carrying out Z-axis tool setting on the tool, and whether the tool is abnormal or not is judged according to the moving distance of the tool in the Z-axis direction.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the automatic production line of the automobile hub unit bearing seat, the blank and the semi-finished product can be orderly circulated among the material machine, the rough machining lathe and the finish machining center through the transfer robot, the automatic machining of the automobile hub unit bearing seat is realized, and the efficiency of batch machining is improved. In addition, the turning frame designed on the XY plane moving platform of the finish machining center is matched with the turning frame in a turning mode through the clamp, machining equipment does not need to be replaced, clamping is not needed to be carried out again, and axial and radial machining of semi-finished products can be achieved.
(2) According to the design of the double-conical-surface raceway of the automobile hub unit bearing seat, the conical surface of the raceway is designed to be convenient to be matched with the conical roller, so that the rigidity of the automobile hub unit is effectively improved, and the automobile hub unit bearing seat is high in bearing capacity and reliability. In addition, the radial design of the oil inlet hole ensures the symmetry and the structural strength of the whole structure. And moreover, the oil storage tank between the double-conical surface roller paths is designed, so that long-acting lubrication of the tapered roller is fully ensured.
(3) The automatic feeding machine disclosed by the invention realizes automatic feeding of batch blanks and improves the efficiency of subsequent blank processing.
(4) The chassis, the double clamping pieces and the camera of the transfer robot are designed to visually identify the blank and control the clamping of the clamping pieces, so that the effective clamping of the blank is ensured. In addition, the built-in design and the cover plate design of the camera realize the effective protection of the camera.
(5) The 30-degree inclination angle XY plane moving platform of the rough machining lathe is designed to realize conical surface machining and machining point position adjustment of the roller path and the oil storage tank by the tool bit.
(6) The cutter breaking detector and the cutter setting gauge can respectively judge whether the cutter head and the cutter are abnormal, effectively ensure the machining precision and reduce the rejection rate.
Drawings
Fig. 1 is a schematic view of a framework of an automatic production line of a bearing seat of an automobile hub unit in embodiment 1 of the invention;
FIG. 2 is a semi-sectional view of a blank of example 1 of the present invention;
FIG. 3 is a semi-sectional view of a semi-finished product of example 1 of the present invention;
fig. 4 is a schematic structural view of a bearing seat of an automobile hub unit according to embodiment 1 of the present invention;
fig. 5 is a schematic structural view of a material machine according to embodiment 1 of the present invention;
FIG. 6 is a schematic configuration diagram of a relay robot according to embodiment 1 of the present invention;
fig. 7 is a schematic structural diagram of a chassis according to embodiment 1 of the present invention;
FIG. 8 is a schematic view showing the structure of a rough machining lathe according to embodiment 1 of the present invention;
fig. 9 is a schematic structural view of a turret and a 30 ° inclination XY plane moving platform according to embodiment 1 of the present invention;
FIG. 10 is a schematic structural view of the knife break detection in embodiment 1 of the present invention;
FIG. 11 is a schematic view of the construction of a finishing center according to embodiment 1 of the present invention;
FIG. 12 isbase:Sub>A sectional view taken along line A-A of FIG. 11;
FIG. 13 is a schematic structural view of a tool magazine and a tool changing mechanism according to embodiment 1 of the present invention;
fig. 14 is a schematic structural view of the roll-over stand and the jig according to embodiment 1 of the present invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention, the following description will explain specific embodiments of the present invention with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, without inventive effort, other drawings and embodiments can be derived from them.
Example 1:
as shown in fig. 1, the automatic production line for the bearing seat of the automobile hub unit of the embodiment includes a base station 0, and a feeding machine 1, a transfer robot 2, a rough machining lathe 3 and a finishing center 4 which are installed on the base station 0, wherein the feeding machine 1, the rough machining lathe 3 and the finishing center 4 are distributed along the circumferential direction of the transfer robot 2, specifically, the feeding machine 1 is located on the front side of the transfer robot 2, the rough machining lathe 3 is located on the left side of the transfer robot 2, and the finishing center 4 is located on the rear side of the transfer robot 2. The material machine 1 is used for loading and conveying a blank I to a target area, the transfer robot 2 is used for clamping the blank I in the target area and conveying the blank I to the rough machining lathe 3, the rough machining lathe 3 is used for rough machining the blank I to obtain a semi-finished product II, the transfer robot 2 is also used for clamping the semi-finished product II obtained by the rough machining and conveying the semi-finished product II to the finish machining center 4, and the finish machining center 4 is used for axial and radial finish machining and radial oil inlet K machining of the semi-finished product II to obtain an automobile hub unit bearing seat III.
Specifically, the blank to be processed of the automatic production line of the automobile hub unit bearing seat of the embodiment is of a hollow circular truncated cone structure. Specifically, as shown in fig. 2, the blank I to be processed sequentially includes an outer edge section I-1, a first concave section I-2, a second concave section I-3 and a third concave section I-4 along the axial direction thereof, and the outer diameters of the outer edge section I-1, the first concave section I-2, the second concave section I-3 and the third concave section I-4 are sequentially reduced, so as to form a step structure. The inner diameters of the outer edge section I-1, the first concave section I-2 and the second concave section I-3 are equal, the inner diameter surface of the rest part of the second concave section I-3 and the inner diameter surface of the third concave section I-4 form a first conical surface roller path I-5, the minimum inner diameter of the rest part of the second concave section I-3 is equal to the maximum inner diameter of the third concave section I-4, and the first conical surface roller path I-5 is of a tapered surface structure which is inwards contracted along the left-to-right axial direction; the inner diameter surface of the remaining part of the third concave section I-4 is provided with an oil seal ring groove I-6.
As shown in fig. 3, the semi-finished product II of this embodiment is processed on the basis of the blank I to be processed, and specifically includes a mating end II-1 processed from the outer edge section I-1 of the blank, the outer diameter surface of the mating end II-1 is a conical surface structure, and the outer diameter at the port of the mating end II-1 is the smallest, that is, the mating end II-1 is a tapered surface structure that is retracted inward along the left-to-right axial direction; the roller way also comprises a second conical surface roller way II-2 and an oil seal ring groove II-3 which are formed on the inner diameter surface of the matching end II-1, wherein the first conical surface roller way I-5 and the second conical surface roller way II-2 are symmetrical and are used for matching with the double-row tapered roller. In addition, an oil storage tank II-3 is formed between the first conical surface roller path I-5 and the second conical surface roller path II-2, and the oil storage tank II-3 is of an asymmetric structure in the axial direction, so that the lubricating effect and the long-acting property are favorably improved. Wherein, the oil storage tank II-3 is of a right-angle tank structure.
As shown in fig. 4, the automobile hub unit bearing seat III (i.e., the finished product) of the embodiment includes a mating end (i.e., a mating end II-1 of a semi-finished product) processed by an outer edge section of a blank, an outer edge section III-1 processed by a first inner concave section, and fixing lugs (including two vertical lugs III-2 at the top and symmetrically distributed and two oblique lugs III-3 at the bottom and symmetrically distributed at two sides), a second inner concave section (i.e., a second inner concave section I-3 of the blank), and a third inner concave section (i.e., a third inner concave section I-4 of the blank) at the outer side thereof; the outer diameter of the outer edge part III-1 is larger than that of the second inner concave section, and the outer diameter of the second inner concave section is larger than the maximum outer diameter of the matching end. In addition, the oil inlet hole III-4 is formed on the top of the outer edge part and penetrates into the oil storage tank II-3 along the radial direction, so that the supply of lubricating oil is realized. The peripheral area of the oil inlet hole III-4 is processed into a plane, so that the butt joint convenience and the sealing performance of oil inlet accessories are improved. The vertical lug III-2 and the oblique lug III-3 are both provided with mounting and fixing holes along the axial direction, so that the automobile hub unit bearing seat can be conveniently and fixedly mounted.
As shown in fig. 5, the material machine 1 of the present embodiment includes a frame 11, and a driving mechanism 12, a linear guide rail 13 and a material tray 14 which are arranged on the frame 11, the driving mechanism 12 is drivingly connected with a slider 130 of the linear guide rail 13, the slider 130 is linked with the material tray 14, the material tray 14 has placing hole sites 140 distributed in an array, and the placing hole sites 140 are used for placing a blank I; the drive mechanism 12 is used to drive the tray 14 in motion to deliver the blanks I to the target area. Specifically, the driving mechanism 12 is a combination of a motor and two sets of belt pulley transmission mechanisms, that is, the motor synchronously drives driving wheels of the two sets of belt pulley transmission mechanisms through the same transmission shaft, and a transmission belt of the belt pulley transmission mechanism is fixedly connected with the slider 130, so as to realize driving of the slider; the specific structure of the two sets of belt pulley transmission mechanisms for synchronous transmission of the motor can refer to the prior art, and is not described herein. In addition, the two ends of the frame 11, which correspond to the moving stroke of the material tray 14, are respectively provided with a stroke switch 15, and correspondingly, the material tray 14 is provided with a trigger, when the material tray moves to a first target position, the trigger collides with the stroke switches to control the motor to stop, so that the blank I is ensured to be conveyed to a target area; when the material tray moves to the second target position, the trigger piece collides with another travel switch to control the motor to stop, so that the material tray 14 is conveyed to the feeding position to feed the blank.
As shown in fig. 6 and 7, the relay robot 2 of the present embodiment is a six-axis robot, and a cubic housing 5 that can rotate 360 ° is provided at a free end of the six-axis robot. The right side surface of the case 5 of the embodiment is connected with the free end of the six-axis manipulator, and the six-axis manipulator controls the case 5 to rotate 360 degrees in the vertical direction so as to switch the front side surface, the rear side surface or the bottom surface of the case 5 to face downwards; the front side and the back side of the case 5 are respectively provided with a clamping piece 6, and the clamping piece 6 is clamped by a pneumatic claw commonly used by the existing robot. In addition, the bottom surface of the case 5 is provided with a camera 7 for visually identifying the blank on the material tray. The camera 7 is located in the case 5, the bottom surface of the case 5 is open and provided with a cover plate 8, the cover plate 8 is connected with the opening and closing driving mechanism, and the opening and closing driving mechanism is used for driving the cover plate 8 to open or close the bottom surface opening of the case 5, so that the protection of the camera is realized. Specifically, the opening and closing driving mechanism comprises a driving cylinder 91, a transfer elbow 92 and a transmission square shaft 93, the fixed end of the driving cylinder 91 is hinged to the case 5, the driving end of the driving cylinder 91 is hinged to one end of the transfer elbow 92, the other end of the transfer elbow 92 is connected with the transmission square shaft 93 in a synchronous rotating mode, the transmission square shaft 93 is connected with the cover plate 8 in a synchronous rotating mode, and the cover plate 8 is opened or closed through driving of the driving end of the driving cylinder 91.
As shown in fig. 8 and 9, the rough machining lathe 3 of the present embodiment includes a bed frame 31, a turntable 32 installed in the bed frame 31, a work fixture 33, a 30 ° inclination XY plane moving platform 34, and a turret 35, wherein the turret 35 is installed with a plurality of tool bits, including but not limited to an external circle rough turning tool, a U drill, an internal hole rough turning tool, an external circle finishing turning tool, an internal hole finishing boring tool, and a 3mm grooving tool. The axial direction of the rotary table 31 is parallel to the X axial direction, the workpiece clamp 33 is in linkage connection with the rotary table 31, and the workpiece clamp 33 is used for clamping a blank I; the Y-axis inclination angle of the 30-degree inclination angle XY plane moving platform is 30 degrees, and the 30-degree inclination angle XY plane moving platform is used for driving the cutter tower 35 to move along the X-axis direction and the Y-axis direction in a 30-degree inclination manner, so that the blank I is processed by various types of tool bits to form an outer edge section, an oil storage groove and a second conical surface raceway, and a semi-finished product is obtained. The 30-degree inclination XY plane moving platform is designed to cooperate with the tool bit to realize the machining of the conical surface.
As shown in fig. 8 and 10, a turning arm 36 and a cut-off detector 37 provided at a free end of the turning arm 36 are mounted in the frame 31 of the present embodiment at a position adjacent to the turn table 32, and the turning arm 36 is rotatably fitted to the frame 31; when the driving motor 38 drives the rotating arm 36 to rotate to the target detection position (i.e. the positioning position between the work holder 33 and the tool bit), the 30 ° inclination XY plane moving platform 34 drives the tool bit to move to the contact broken tool detector 37, and whether the tool bit is abnormal (e.g. broken, worn seriously, etc.) is judged according to the moving distance of the tool bit (specifically, the axial stroke distance of the X axis). Wherein, the rotating arm 36 is of an L-shaped structure.
As shown in fig. 11 to 14, the finishing center 4 of the present embodiment includes a housing 41, a tool magazine 42 mounted in the housing 41, a tool changing mechanism 43, a machining spindle 44, an XY plane moving platform 45, a turning frame 46, and a jig 47. Wherein, a plurality of required cutters are arranged in the tool magazine 42, including but not limited to an end mill, a chamfer cutter, an alloy drill, a countersink cutter, a screw tap, an inverted chamfer cutter and the like; the tool changing mechanism 43 is used for assembling and disassembling the tool in the tool magazine 42 to the clamping end of the machining spindle 44, and the tool changing mechanism 43 can adopt an oil pressure tool changing mechanism, an air pressure tool changing mechanism or a cam type tool changing mechanism, and is specifically selected according to actual application requirements. The structures of the tool magazine and the tool changing mechanism can refer to the existing tool magazine system, and are not described herein again.
The roll-over stand 46 of the embodiment is installed on the XY plane moving platform 45, the roll-over stand 46 is provided with a clamp seat and a clamp 47 which can be turned over by 90 degrees and matched with the roll-over stand 46, and the clamp seat and the clamp 47 can be turned over back and forth by a motor. The XY plane moving platform 45 of the present embodiment is configured to drive the semi-finished product clamped by the clamp 47 to move to a target processing position, so as to perform axial processing or radial processing after turning on the semi-finished product by using a tool on the processing spindle 44, specifically, processing a fixing lug, processing an installation fixing hole of the fixing lug, and processing an oil inlet hole; the clamping and multi-surface processing in sequence is realized, the working procedures are reduced, and the processing precision is ensured.
In addition, a tool setting gauge 48 is further disposed on the XY plane moving platform 45 of the present embodiment, the tool setting gauge 48 is used for performing Z-axis tool setting on the tool, and whether the tool is abnormal is further determined according to a moving distance of the tool in the Z-axis direction. Specifically, the XY plane moving platform drives the tool to move in the Z axis direction to trigger the tool setting gauge 48 to generate a trigger signal, the XY plane moving platform stops driving, and at this time, whether the axial stroke distance of the tool along the Z axis is matched with a set standard distance is recorded; if yes, indicating that the cutter is normal; if not, the tool is abnormal, and the machine needs to be stopped for inspection and replaced.
The XY plane moving platform is a conventional driving platform structure, and the detailed structure is not described herein.
Example 2:
the difference between the automatic production line of the automobile hub unit bearing seat of the embodiment and the embodiment 1 is that:
the driving mechanism of the material machine can also adopt a chain transmission mechanism to meet the requirements of different applications;
other structures can refer to embodiment 1.
Example 3:
the difference between the automatic production line of the automobile hub unit bearing seat of the embodiment and the embodiment 1 is that:
the arrangement of a camera for visual identification is omitted, so that the requirements of different applications are met;
other structures can refer to embodiment 1.
The foregoing has outlined rather broadly the preferred embodiments and principles of the present invention and it will be appreciated that those skilled in the art may devise variations of the present invention that are within the spirit and scope of the appended claims.
Claims (3)
1. An automatic production line of a bearing seat of an automobile hub unit is characterized by comprising a material machine, a transfer robot, a rough machining lathe and a finish machining center, wherein the material machine, the rough machining lathe and the finish machining center are distributed along the circumferential direction of the transfer robot; the transfer robot is also used for clamping a semi-finished product obtained by rough machining and conveying the semi-finished product to a finish machining center, and the finish machining center is used for carrying out axial and radial finish machining and radial oil inlet hole machining on the semi-finished product to obtain an automobile hub unit bearing seat;
the finish machining center comprises a tool magazine, a tool changing mechanism and a machining spindle, wherein a plurality of required tools are arranged in the tool magazine, the tool changing mechanism is used for assembling and disassembling the tools in the tool magazine to the machining spindle, the finish machining center further comprises an XY plane moving platform and a turnover frame arranged on the XY plane moving platform, a first clamp which can be turned over by 90 degrees and matched with the turnover frame is arranged on the turnover frame, and the XY plane moving platform is used for driving a semi-finished product clamped by the first clamp to move to a target machining position so as to perform axial machining or radial machining after turning on the semi-finished product through a tool on the machining spindle;
the blank is of a hollow circular truncated cone structure and sequentially comprises an outer edge section, a first inner concave section, a second inner concave section and a third inner concave section along the axial direction of the blank, the outer diameters of the outer edge section, the first inner concave section, the second inner concave section and the third inner concave section are sequentially reduced, the inner diameters of the outer edge section, the first inner concave section and the second inner concave section are equal, the inner diameter surface of the rest part of the second inner concave section and the inner diameter surface of the part of the third inner concave section form a first conical surface roller path, and the minimum inner diameter of the rest part of the second inner concave section is equal to the maximum inner diameter of the part of the third inner concave section; the inner diameter surface of the rest part of the third inner concave section is provided with an oil seal ring groove;
the semi-finished product comprises a matching end obtained by processing an outer edge section of a blank, the outer diameter surface of the matching end is of a conical surface structure, and the outer diameter of a port of the matching end is the minimum; the first conical surface raceway and the second conical surface raceway are symmetrical to each other and are used for being matched with the double-row tapered rollers; an oil storage tank is formed between the first conical surface raceway and the second conical surface raceway, and the oil storage tank is of a right-angle tank type structure with an asymmetric structure along the axial direction; the length of a right-angle side adjacent to the second conical surface roller path in the right-angle groove type structure is greater than that of a right-angle side adjacent to the first conical surface roller path;
the automobile hub unit bearing seat comprises a matching end obtained by processing an outer edge section of a blank, an outer edge section obtained by processing a first inner concave section, and a fixing lug, a second inner concave section and a third inner concave section which are arranged on the outer side of the outer edge section, wherein the outer diameter surface of the matching end is of a conical surface structure, the outer diameter of the port of the matching end is the smallest, the inner diameter surface of the matching end is formed into a second conical surface raceway, the first conical surface raceway and the second conical surface raceway are symmetrical, and an oil storage tank is formed between the first conical surface raceway and the second conical surface raceway; the outer diameter of the outer edge part is larger than that of the second inner concave section, and the outer diameter of the second inner concave section is larger than the maximum outer diameter of the matching end; wherein, the oil inlet is formed on the outer edge part and is communicated to the oil storage tank along the radial direction;
the material machine comprises a rack, and a driving mechanism, a linear guide rail and a material tray which are arranged on the rack, wherein the driving mechanism is in driving connection with a sliding block of the linear guide rail, the sliding block is in linkage connection with the material tray, the material tray is provided with placing positions distributed in an array manner, and the placing positions are used for placing blanks;
the driving mechanism is used for driving the material tray to move so as to convey the blank to a target area;
the transfer robot is a six-axis manipulator, and a cubic case capable of rotating 360 degrees is arranged at the free end of the six-axis manipulator;
the right side surface of the case is connected with the free end of the six-axis manipulator, and the six-axis manipulator controls the case to vertically rotate for 360 degrees so as to switch the front side surface, the rear side surface or the bottom surface of the case to face downwards; the front side and the back side of the case are respectively provided with a clamping piece; the bottom surface of the case is provided with a camera for visually identifying the blank on the material tray;
the camera is arranged in the case, a cover plate is arranged at the bottom opening of the case and is connected with the opening and closing driving mechanism, and the opening and closing driving mechanism is used for driving the cover plate to open or close the bottom opening of the case; the opening and closing driving mechanism is arranged on the side face, adjacent to the front side face, the rear side face and the bottom face, of the case and comprises a driving air cylinder, a switching elbow and a transmission square shaft, the fixed end of the driving air cylinder is hinged to the case, the driving end of the driving air cylinder is hinged to one end of the switching elbow, the other end of the switching elbow is synchronously and rotatably connected with the transmission square shaft, the transmission square shaft is synchronously and rotatably connected with the cover plate, and the cover plate is opened or closed by driving of the driving end of the driving air cylinder;
the rough machining lathe comprises a bedstead, a rotary table, a second clamp, a 30-degree inclination angle XY plane moving platform, a turret and a plurality of tool bits arranged on the turret, wherein the rotary table is arranged in the bedstead; the Y-axial inclination angle of the 30-degree inclination angle XY plane moving platform is 30 degrees, and the 30-degree inclination angle XY plane moving platform is used for driving the cutter tower to move so as to process the outer edge section, the oil storage groove and the second conical surface roller path of the blank through the cutter head;
the bedstead is provided with a rotating arm and a knife-breaking detector arranged at the free end of the rotating arm, and the rotating arm is rotationally matched with the bedstead; when the rotating arm rotates to a target detection position, the XY plane moving platform with the inclination angle of 30 degrees drives the cutter head to move to contact the cutter breaking detector, and whether the cutter head is abnormal or not is judged according to the moving distance of the cutter head; wherein, the knife-breaking detector is a pressure sensor or a travel switch.
2. The automatic production line of the bearing seat of the automobile hub unit according to claim 1, wherein the tool changing mechanism is an oil pressure tool changing mechanism, an air pressure tool changing mechanism or a cam type tool changing mechanism.
3. The automatic production line of the automobile hub unit bearing seat according to claim 1, wherein a tool setting gauge is arranged on the XY plane moving platform, the tool setting gauge is used for carrying out Z-axis tool setting on a tool, and whether the tool is abnormal or not is judged according to a moving distance of the tool in the Z-axis direction.
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| CN202211259597.2A CN115319483B (en) | 2022-10-14 | 2022-10-14 | Automatic production line of automobile hub unit bearing seat |
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| CN202211259597.2A CN115319483B (en) | 2022-10-14 | 2022-10-14 | Automatic production line of automobile hub unit bearing seat |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206253658U (en) * | 2016-12-08 | 2017-06-16 | 北京精雕科技集团有限公司 | A kind of cross slid platform Digit Control Machine Tool with double main shafts |
| CN110548908A (en) * | 2019-10-14 | 2019-12-10 | 吉林大学 | gantry type coarse-fine composite five-axis precision machine tool and machining method |
| CN112045496A (en) * | 2020-10-09 | 2020-12-08 | 程泰机械（吴江）有限公司 | Numerical control lathe with automatic cutter adjustment function |
| CN112061796A (en) * | 2020-08-19 | 2020-12-11 | 宁波三韩合金材料有限公司 | Automatic stacking-disassembling feeding and discharging intelligent self-checking production line for machining lathe tool bit cavity |
| CN215616341U (en) * | 2021-08-10 | 2022-01-25 | 苏州迈智诺智能装备科技有限公司 | High-precision automatic assembling mechanism for engine accessories |
| CN114083353A (en) * | 2021-12-09 | 2022-02-25 | 江苏心力量智能科技有限公司 | Machine tool |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01108412A (en) * | 1987-10-20 | 1989-04-25 | Daido Metal Co Ltd | Manufacture of bearing device with housing in which bearing bush is press-fitted |
| CN201866109U (en) * | 2010-11-17 | 2011-06-15 | 天津市建科机械制造有限公司 | Novel roller sheet bearing block |
| WO2012159779A1 (en) * | 2011-05-23 | 2012-11-29 | Schaeffler Technologies AG & Co. KG | Rolling bearing arrangement with clamping means which support a positive locking action |
| CN205498500U (en) * | 2016-04-19 | 2016-08-24 | 江西江铃底盘股份有限公司 | Prevent that wheel hub bearing from deviating from rear drive axle bearing frame |
| CN107538187B (en) * | 2017-10-12 | 2019-07-23 | 浙江丰波机电科技有限公司 | Third generation circular cone ring flange rib and roller path machining method |
| KR101901074B1 (en) * | 2017-12-29 | 2018-11-02 | 최광일 | Automobile hub bearing product method using jig |
| CN215923691U (en) * | 2021-08-23 | 2022-03-01 | 惠州市恒德信精密科技有限公司 | Full-automatic watchcase feeding device |
-
2022
- 2022-10-14 CN CN202211259597.2A patent/CN115319483B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206253658U (en) * | 2016-12-08 | 2017-06-16 | 北京精雕科技集团有限公司 | A kind of cross slid platform Digit Control Machine Tool with double main shafts |
| CN110548908A (en) * | 2019-10-14 | 2019-12-10 | 吉林大学 | gantry type coarse-fine composite five-axis precision machine tool and machining method |
| CN112061796A (en) * | 2020-08-19 | 2020-12-11 | 宁波三韩合金材料有限公司 | Automatic stacking-disassembling feeding and discharging intelligent self-checking production line for machining lathe tool bit cavity |
| CN112045496A (en) * | 2020-10-09 | 2020-12-08 | 程泰机械（吴江）有限公司 | Numerical control lathe with automatic cutter adjustment function |
| CN215616341U (en) * | 2021-08-10 | 2022-01-25 | 苏州迈智诺智能装备科技有限公司 | High-precision automatic assembling mechanism for engine accessories |
| CN114083353A (en) * | 2021-12-09 | 2022-02-25 | 江苏心力量智能科技有限公司 | Machine tool |
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