CN111347239B - Semi-axis tooth detects and screws up central screw equipment to tooth - Google Patents
Semi-axis tooth detects and screws up central screw equipment to tooth Download PDFInfo
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- CN111347239B CN111347239B CN202010330557.7A CN202010330557A CN111347239B CN 111347239 B CN111347239 B CN 111347239B CN 202010330557 A CN202010330557 A CN 202010330557A CN 111347239 B CN111347239 B CN 111347239B
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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
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
Abstract
The invention provides equipment for detecting tooth-to-tooth alignment of half axle teeth and screwing up a central screw, which comprises a clamping mechanism and a testing mechanism, wherein the clamping mechanism comprises a clamping anti-torsion mechanism, a brake disc clamping jaw air cylinder mechanism, a half axle centering clamping jaw air cylinder and a pressing air cylinder mechanism; the testing mechanism comprises a testing servo tightening shaft, a central screw servo tightening shaft, a hollow gear box and a pneumatic spring. According to the embodiment of the invention, the risk of unqualified parts caused by the fact that teeth are not meshed in a production line can be reduced, the production line rhythm is improved, and the economic benefit of an automobile enterprise is improved; in addition, the equipment for detecting the tooth-to-tooth of the half shaft and screwing the central screw is arranged on a tray production line, so that full-automatic testing and central screw screwing are realized, and compared with the traditional assembly line operation mode, the efficiency is higher, and the beat is faster and safer.
Description
Technical Field
The invention relates to the technical field of automobile assembling equipment, in particular to equipment for detecting tooth-to-tooth of half axle teeth and screwing a central screw.
Background
Automotive axle shafts, also known as drive axles, are the shafts that connect a differential to drive wheels. The half shaft is a shaft for transmitting torque between a speed reducer of the gearbox and a driving wheel, and the inner end and the outer end of the half shaft are respectively provided with a universal joint which is respectively connected with a gear of the speed reducer and an inner ring of a hub bearing through a spline on the universal joint. Among the prior art, assembly line semi-axis people frock can't judge after assembling whether the semi-axis tooth meshes with the wheel hub bearing, artifical naked eye also can't observe to climbing is weak when can leading to new car to dispatch from the factory and try out a car, and then increases the rate of reprocessing, causes the rework loss for the automobile factory.
With the increasing popularization of automobile application and the increasing demand, the problems of tooth-to-tooth detection and screwing of half-shaft teeth need to be solved urgently.
Disclosure of Invention
In view of the above, the present invention aims to provide a device for detecting and tightening a central screw by using a semi-axle tooth to tooth, so as to solve the problems that a rear wheel cannot output power and the beat is slow due to the fact that the semi-axle tooth is not meshed with a hub bearing tooth, thereby effectively reducing the risk of part failure due to the fact that the tooth is not meshed with the part, and the device for detecting and tightening a central screw by using a semi-axle tooth to tooth is installed on a pallet production line, so that the full automatic test and the central screw tightening function can be realized, and the assembly efficiency can be effectively improved.
The invention is realized by the following technical scheme:
a side-gear tooth-to-tooth detection and tightening center screw apparatus comprising:
a clamping mechanism: at least one clamping and torsion-resisting mechanism for clamping the workpiece; a brake disc clamping jaw air cylinder mechanism for lifting a workpiece; a half-shaft righting clamping jaw cylinder for clamping a half shaft and a pressing cylinder mechanism for pressing a workpiece;
the testing mechanism comprises: a test servo tightening shaft having at least one test torque; a central screw servo tightening shaft for tightening the central screw; a hollow gearbox disposed above said central screw servo tightening shaft for simultaneously positioning said test tightening shaft and central screw servo tightening shaft directly below the workpiece; and a pneumatic spring for supporting the workpiece.
Preferably, the clamping torsion-resistant mechanism is arranged at the center of the clamping mechanism and comprises a horizontally arranged gas-liquid pressure cylinder and a wedge block matched with the gas-liquid pressure cylinder for working, and the clamping torsion-resistant mechanism is torsion-resistant by more than 60 NM.
Preferably, the brake disc clamping cylinder mechanism is arranged at the lower part of the clamping mechanism in an L shape, the brake disc clamping jaw cylinder mechanism is a synchronous clamping jaw cylinder, and hydraulic buffers are arranged at two extreme positions of the cylinder.
Preferably, the half-shaft centering jaw cylinder is a finger cylinder.
Preferably, the pressing cylinder mechanism is arranged on the left and right sides of the clamping mechanism.
Preferably, the test torque of the test servo tightening shaft is 20NM to 60 NM.
Preferably, the test servo tightening shaft and the central screw servo tightening shaft are vertically arranged at the central position of the test mechanism.
Preferably, the test servo tightening shaft uses a torque of 60NM, not mating with an elastic telescopic sleeve; the servo tightening shaft of the central screw uses a torque of 500NM and is provided with an elastic telescopic sleeve.
Preferably, the hollow gear box is a high-precision gear box, a gearwheel of the hollow gear box is hollow, an elastic telescopic sleeve is arranged in the hollow gearwheel, the gearwheel and the test servo tightening shaft form an integral structure through an angular contact bearing, and the gearwheel and an output shaft of the central screw servo tightening shaft are concentrically arranged.
Preferably, the pneumatic spring has at least two cylinders arranged side by side on either side of the testing mechanism.
The semi-axis tooth-to-tooth detection and central screw screwing equipment provided by the embodiment of the invention can reduce the risk of unqualified parts caused by the non-meshing of teeth on a production line; in addition, the full-automatic test can improve the production line beat, reduce the original workers for detecting and screwing the central screw and improve the economic benefit of automobile enterprises; half axle tooth detects and screws up central screw equipment and installs on tray production line to the tooth, has realized full-automatic test and central screw and has screwed up, and than traditional assembly line operation mode, its efficiency is higher, and the beat is also safer sooner.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram illustrating a side-gear tooth-to-tooth detection and center screw tightening apparatus according to an embodiment of the present invention;
FIG. 2 illustrates a cross-sectional view of a side-gear tooth-to-tooth sensing and center screw tightening apparatus provided by an embodiment of the present invention.
Description of the main element symbols:
1. a gas-liquid pressure cylinder; 2. a wedge block; 3. a brake disc clamping jaw air cylinder mechanism; 4. a semi-axis righting clamping jaw cylinder; 5. a pressing cylinder mechanism; 6. testing the servo tightening shaft; 7. a central screw servo tightening shaft; 8. a hollow gear case; 9. a pneumatic spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, a device for detecting tooth-to-tooth of a half axle and tightening a central screw according to an embodiment of the present invention includes a clamping mechanism and a testing mechanism, wherein the clamping mechanism at least includes a clamping and anti-twisting mechanism for clamping a workpiece; a brake disc clamping jaw air cylinder mechanism 3 for lifting the workpiece; a half-shaft centering clamping jaw cylinder 4 for clamping a half shaft and a pressing cylinder mechanism 5 for pressing a workpiece. The clamping anti-torsion mechanism is arranged at the central position of the clamping mechanism and comprises a horizontally arranged gas-liquid pressure cylinder 1 and a wedge block 2 matched with the gas-liquid pressure cylinder 1 for working, the gas-liquid pressure cylinder 1 is a force exerting mechanism and used for clamping a workpiece, the wedge block 2 is a force increasing mechanism and can increase force to ensure that the workpiece does not slip after being clamped, and the clamping anti-torsion mechanism is anti-torsion more than 60 NM. The brake disc clamping cylinder mechanism 3 is a synchronous clamping jaw cylinder to ensure that a workpiece cannot be knocked when the brake disc is clamped, hydraulic buffers are arranged at two extreme positions of the cylinder to adjust a clamping gap, the brake disc clamping cylinder mechanism 3 is arranged at the lower part of the clamping mechanism in an L shape, and after the clamping torsion-resistant mechanism clamps the workpiece, the workpiece can be lifted and separated from a line body under the cooperation of a servo elevator, so that a subsequent testing mechanism can test the workpiece under the brake disc clamping cylinder mechanism. The half shaft centralizing clamping jaw cylinder 4 is a finger cylinder and is used for clamping the half shaft in advance to prevent the half shaft from toppling over. The compressing cylinder mechanism 5 is arranged on the left and right sides of the clamping mechanism, can adapt to two working states of left and right rear corners, is used for compressing a workpiece when the workpiece is tested, and prevents the workpiece from shaking in the testing process, so that the accuracy of an angle and a torque parameter is influenced.
The testing mechanism is at least provided with a testing servo tightening shaft 6 for testing torque; a center screw servo tightening shaft 7 for tightening the center screw; a hollow gear box 8 provided above the center screw servo tightening shaft 7 for simultaneously arranging the test tightening shaft 6 and the center screw servo tightening shaft 7 right under the work; and a pneumatic spring 9 for supporting the workpiece. The test servo tightening shaft 6 is used for recording a test torque, testing an angle when the test torque is between 20NM and 60NM, and determining that the test is unqualified (not meshed) in the tooth-to-tooth test when the test angle is more than 5 degrees; the tightening center screw servo tightening shaft 7 is a tightening center screw after passing the test, is arranged at a center position of the test mechanism perpendicularly to the test servo tightening shaft 6, and is a torque-containing angle output mechanism，The test servo tightening shaft 6 uses torque 60NM and is directly connected with the hollow gear box 8 without an elastic telescopic sleeve, and the center screw servo tightening shaft 7 uses torque 500NM and is provided with the elastic telescopic sleeve. The hollow gear box is a high-precision gear box to reduce gaps, a large gear of the hollow gear box 8 is hollow, an elastic telescopic sleeve is arranged in the hollow large gear, the large gear and the test servo tightening shaft 6 form an integral structure through an angular contact bearing, and meanwhile, the large gear and an output shaft of the central screw servo tightening shaft 7 are concentrically arranged, so that the test tightening shaft 6 and the central screw tightening shaft 7 can be simultaneously arranged under a workpiece without a displacement mechanism. Pneumatic spring 9 has at least two set up side by side in the cylinder of accredited testing organization both sides for provide the support for the work piece, only need to withstand between pneumatic spring 9 and the work piece can not be connected, in order to prevent that the work piece from pushing down the process can the jamming not be in the same direction as smooth。
Based on the analysis, the equipment for detecting the tooth-to-tooth of the half axle tooth and screwing the central screw provided by the embodiment combines the time measuring station and the central screw screwing station into a whole, realizes full-automatic operation, can effectively reduce the risk of disqualification of parts caused by the non-meshing of the teeth of a production line, and improves the economic benefit of automobile enterprises; compared with the traditional assembly line operation mode, the efficiency is higher, and the beat is faster and safer.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the present invention in its spirit and scope. Are intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a half axle tooth detects and screws up central screw equipment to tooth which characterized in that includes:
a clamping mechanism: the clamping mechanism includes:
the clamping and anti-torsion mechanism is used for clamping a workpiece, is arranged at the center of the clamping mechanism and comprises a horizontally arranged gas-liquid pressurizing cylinder (1) and a wedge block (2) matched with the gas-liquid pressurizing cylinder (1) for working, and is anti-torsion more than 60 NM;
the brake disc clamping jaw air cylinder mechanism (3) is used for lifting a workpiece, the brake disc clamping jaw air cylinder mechanism (3) is arranged at the lower part of the clamping mechanism in an L shape, the brake disc clamping jaw air cylinder mechanism (3) is a synchronous clamping jaw air cylinder, and hydraulic buffers are arranged at two extreme positions of the air cylinder;
a half shaft righting clamping jaw cylinder (4) for clamping a half shaft; and
a pressing cylinder mechanism (5) for pressing the workpiece; and
the testing mechanism comprises: a test servo tightening shaft (6) having at least a test torque; a central screw servo tightening shaft (7) for tightening the central screw; a hollow gear box (8) disposed above the central screw servo tightening shaft (7) for simultaneously arranging the test tightening shaft (6) and the central screw servo tightening shaft (7) directly below the workpiece; and a pneumatic spring (9) for supporting the workpiece, the test servo tightening shaft (6) being used for recording a test torque, testing an angle when the test torque is between 20NM and 60NM, and failing the tooth-to-tooth test when the tested angle is greater than a predetermined value.
2. The apparatus for side-gear tooth-to-tooth detection and tightening of center screws according to claim 1, characterized in that the side-centering jaw cylinder (4) is a finger cylinder.
3. The apparatus for side-gear tooth-to-tooth detection and tightening of a center screw according to claim 1, characterized in that the hold-down cylinder mechanisms (5) are disposed left and right on both sides of the clamping mechanism.
4. The apparatus for side-gear tooth-to-tooth detection and tightening of central screws according to claim 1, characterized in that the test torque of the test servo tightening shaft (6) is 20NM-60 NM.
5. The apparatus for side-gear tooth-to-tooth detection and tightening of central screws according to claim 1, characterized in that said test servo tightening shaft (6) is arranged in a central position of said testing mechanism perpendicularly to said central screw servo tightening shaft (7).
6. The apparatus for detecting and tightening central screws, in tooth-to-tooth correspondence, according to claim 1, characterized in that said test servo tightening shaft (6) uses a torque of 60NM, without a resilient telescopic sleeve; the central screw servo tightening shaft (7) uses a torque of 500NM and is provided with an elastic telescopic sleeve.
7. The half shaft tooth-to-tooth detection and tightening center screw device according to claim 1, characterized in that the hollow gear box is a high precision gear box, a large gear of the hollow gear box (8) is hollow, an elastic telescopic sleeve is arranged in the hollow large gear, and the large gear and the test servo tightening shaft (6) are integrally formed through an angular contact bearing, and the large gear and an output shaft of the center screw servo tightening shaft (7) are concentrically arranged.
8. The apparatus for detecting and tightening a central screw according to claim 1, characterized in that said pneumatic spring (9) has at least two cylinders arranged side by side on either side of said testing mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010330557.7A CN111347239B (en) | 2020-04-24 | 2020-04-24 | Semi-axis tooth detects and screws up central screw equipment to tooth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010330557.7A CN111347239B (en) | 2020-04-24 | 2020-04-24 | Semi-axis tooth detects and screws up central screw equipment to tooth |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111347239A CN111347239A (en) | 2020-06-30 |
| CN111347239B true CN111347239B (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010330557.7A Active CN111347239B (en) | 2020-04-24 | 2020-04-24 | Semi-axis tooth detects and screws up central screw equipment to tooth |
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| CN206945289U (en) * | 2017-05-31 | 2018-01-30 | 上海汽车变速器有限公司 | Equipment for on-line checking automotive clutch moment of torque |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1918072A2 (en) * | 2006-10-30 | 2008-05-07 | Maeda Metal Industries, Ltd. | Bolt or nut tightening device |
| CN203330673U (en) * | 2013-07-14 | 2013-12-11 | 湖北精川智能装备股份有限公司 | Assembling detecting table for manufacturing calipers |
| CN104359443A (en) * | 2014-11-25 | 2015-02-18 | 湖北唯思凌科装备制造有限公司 | Automatic detecting and adjusting machine table for gear and rack meshing gap of automobile steering device |
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| RU2624412C1 (en) * | 2016-02-29 | 2017-07-03 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Владимирский Государственный Университет имени Александра Григорьевича и Николая Григорьевича Столетовых" (ВлГУ) | Stand for testing screw-nut gear rolling |
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| CN110160697A (en) * | 2019-05-29 | 2019-08-23 | 温州职业技术学院 | Accurate worm type of reduction gearing assembly and test equipment |
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| CN111347239A (en) | 2020-06-30 |
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