CN213812774U - Fixture device with airtight wheel hub bearing arbor wheel location that detects - Google Patents
Fixture device with airtight wheel hub bearing arbor wheel location that detects Download PDFInfo
- Publication number
- CN213812774U CN213812774U CN202023101664.7U CN202023101664U CN213812774U CN 213812774 U CN213812774 U CN 213812774U CN 202023101664 U CN202023101664 U CN 202023101664U CN 213812774 U CN213812774 U CN 213812774U
- Authority
- CN
- China
- Prior art keywords
- positioning
- hole
- air
- positioning plate
- hub bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Jigs For Machine Tools (AREA)
Abstract
A clamp device with air tightness detection for positioning a hub bearing and a shaft wheel comprises a positioning plate, an air pressure detection sensor, an air pressure adjusting valve and an air compression device; the locating plate pass through bolt and lathe workstation fixed connection, the locating plate center sets up the centre bore of suit arbor wheel, is provided with the location boss of location arbor wheel terminal surface on its terminal surface, be provided with airtight hole I on the boss of location, set up two corresponding airtight holes II on the locating plate centre bore internal diameter, be provided with respectively on four sides of locating plate mutually perpendicular intercommunication and with airtight hole I, seven gas circuit holes of the perpendicular intercommunication of airtight hole II, seven gas circuit holes constitute the gas circuit of mutual intercommunication inside the locating plate. The device design science, the structure is reliable, utilizes the anchor clamps that have airtight detection to carry out radial and axial positioning detection to the wheel hub bearing shaft wheel, judges whether the clamping of wheel shaft is correct to carry out the feedback with the information that detects, avoided the wheel shaft bolt hole position degree of processing out to surpass poor, improve the assembly precision of wheel hub bearing.
Description
Technical Field
The utility model belongs to the technical field of wheel hub bearing processing, concretely relates to device that has airtight detection of location usefulness is add man-hour to the bolt hole of wheel hub bearing arbor wheel.
Background
At present, in the automobile wheel hub bearing production process, the bolt hole processing clamping on the wheel of wheel hub bearing is location earlier, tighten up again, adopt the external diameter of arbor wheel and the mode of terminal surface location, the position accuracy of the bolt hole processing of tight rear axle wheel of height direct relation to of positioning accuracy, the anchor clamps structure that uses at present is to its axial of arbor wheel location back, whether the radial position is accurate lacks effectual detection, if the position degree of the bolt hole processing of arbor wheel poor positioning can directly lead to the arbor wheel is out of tolerance, influence the assembly precision of wheel hub bearing, reduce the product quality of enterprise.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an anchor clamps device with airtight detection wheel hub bearing arbor wheel location, this anchor clamps device set up airtight detection gas pocket on the anchor clamps contact surface that is used for fixing a position the external diameter of wheel hub bearing arbor wheel and terminal surface, utilizes the atmospheric pressure to detect the sensor, detects the atmospheric pressure value of the inside gas circuit of positioning fixture to feed back to the lathe, the bolt hole position degree of avoiding processing is out of tolerance.
The purpose of the utility model can be realized by adopting the following technical scheme: a clamp device with air tightness detection for positioning a hub bearing and a shaft wheel comprises a positioning plate, an air pressure detection sensor, an air pressure adjusting valve and an air compression device; the locating plate is a rectangular flat plate and is arranged on a machine tool workbench and fixedly connected with the machine tool workbench through a bolt, the center of the locating plate is provided with a center hole sleeved with an excircle of a stepped shaft of a shaft wheel, the end surface of the locating plate is provided with a locating boss which is fixedly integrated with the locating plate and is used for locating the end surface of the shaft wheel, the locating boss is provided with a gas-tight hole I, four side surfaces of the locating plate are respectively provided with a gas path hole I, a gas path hole II, a gas path hole III and a gas path hole IV which are vertical to the central axis of the gas-tight hole I on the locating boss, a gas path hole V, a gas path hole VI and a gas path hole VII which are vertically communicated with the gas path hole I, the gas path hole II, the gas path hole III and the gas path hole IV, and seven gas path holes form gas paths which are communicated with each other in the locating plate; the gas circuit holes II and the gas circuit holes III are respectively symmetrically arranged on two opposite side surfaces of the positioning plate and correspond to the central hole of the positioning plate, and the end parts of the gas circuit holes II and the gas circuit holes III close to the central hole of the positioning plate are respectively provided with gas-tight holes II communicated with the central hole of the positioning plate; a V-shaped cutting plane corresponding to the airtight hole II is symmetrically arranged on the inner diameter of the central hole of the positioning plate, and the airtight hole II is arranged in the center of the cutting plane; an air inlet hole connected with an air pressure detection sensor is arranged on the end surface of the positioning plate and is vertically communicated with an air passage hole I on the side surface of the positioning plate; the air pressure detection sensor is arranged on one side of the machine tool workbench, one end of an air outlet of the air pressure detection sensor is connected with an air inlet on the end surface of the positioning plate through an air pipe, and one end of an air inlet of the air pressure detection sensor is connected with an air outlet of the air pressure adjusting valve; the air pressure adjusting valve is arranged between the air pressure detection sensor and the compressed air device, and an air inlet of the air pressure adjusting valve is connected with an air outlet of the compressed air device.
The positioning boss on the positioning plate is five in number, the five positioning bosses are uniformly distributed on a concentric circle, the positions and the sizes of the positioning bosses are matched with the sizes of the positioning end faces of the arbor wheel, and the airtight holes I in the positioning bosses correspond to the positioning end faces of the arbor wheel.
The center hole of the positioning plate is in clearance fit with the outer circle of the stepped shaft of the shaft wheel.
And after the air passage holes on the four side surfaces of the positioning plate are processed, plugs are arranged at the orifices.
The tangent plane on the inner diameter of the central hole of the positioning plate is tangent to a concentric circle which is smaller than the inner diameter and is coaxial with the inner diameter of the central hole.
A circular groove is arranged at the orifice of the air inlet on the positioning plate, and a sealing ring is arranged in the groove.
And the end surface of the positioning plate is provided with a bolt through hole connected with a machine tool workbench.
And a detection signal line of the air pressure detection sensor is connected with an electric control system of a machining center of the machine tool.
When the utility model is used, the arbor wheel is firstly placed on the positioning plate, the stepped shaft at the lower part of the arbor wheel is sleeved in the center hole of the positioning plate, the oil cylinder at the rear part of the machine tool workbench is started, the piston rod of the oil cylinder extends out to drive the side pressure plate to move to one side surface of the arbor wheel and press the arbor wheel, the outer circle of the stepped shaft at the lower part of the arbor wheel is close to the tangent plane of the center hole of the positioning plate to carry out radial positioning, then the pressure plates on the hydraulic cylinders at the two sides of the workbench are respectively placed on the end surface of the arbor wheel, the hydraulic cylinders are started, the pressure plates press the end surface of the arbor wheel, the positioning boss on the positioning plate carries out axial positioning, the compressed air device is started, the air pressure detection sensor is started, when the radial and axial positioning surfaces reach the design requirements, the positioning surface of the arbor wheel is respectively attached to the airtight hole I of the positioning boss on the positioning plate and the airtight hole II on the center hole of the positioning plate, and the air circuit in the positioning plate is blocked, at the moment, the detection pressure of the air pressure detection sensor rises, the air pressure detection sensor converts the detected air pressure into a corresponding electric signal and transmits the electric signal to the machining center electric control system, and the machining center electric control system judges that the arbor wheel is positioned according to the designed position and then starts to machine the bolt hole of the arbor wheel; on the contrary, when the arbor wheel locating surface is not fixed a position according to the design requirement, airtight hole I, airtight hole II of locating plate have arbitrary one or not blockked up simultaneously, cause the inside gas circuit gas leakage of locating plate, atmospheric pressure is lower, can not reach the detection pressure of settlement, atmospheric pressure detection sensor can feed back low atmospheric pressure signal to machining center electrical control system this moment, the warning is shut down before the arbor wheel processing, reminds the operative employee to carry out relevant operation, avoids processing out the bolt hole position degree of arbor wheel out-of-tolerance.
The utility model has the advantages that: the device design science, the structure is reliable, utilizes the anchor clamps that have airtight detection to carry out the location detection to hub bearing shaft wheel, judges whether the clamping of shaft wheel is correct to carry out the feedback with the information that detects, thereby avoided the bolt hole site degree of shaft wheel out of tolerance and the defective products that produces, improved the assembly precision of hub bearing.
Drawings
FIG. 1 is a schematic front view of the positioning and clamping device of the present invention;
FIG. 2 is a schematic top view of FIG. 1;
fig. 3 is a schematic top view of the positioning plate of the present invention;
FIG. 4 is a cross-sectional view B-B of FIG. 3;
FIG. 5 is a cross-sectional view C-C of FIG. 3;
FIG. 6 is a cross-sectional view A-A of FIG. 3;
FIG. 7 is a schematic diagram of the air pressure detection of the present invention;
the labels in the figure are: 1. the locating plate, 2, the atmospheric pressure detects the sensor, 3, the atmospheric pressure regulating valve, 4, the compressed air device, 5, the location boss, 6, airtight hole I, 7, gas circuit hole I, 8, gas circuit hole II, 9, gas circuit hole III, 10, gas circuit hole IV, 11, gas circuit hole V, 12, gas circuit hole VI, 13, gas circuit hole VII, 14, airtight hole II, 15, the inlet port, 16, the end cap, 17, the bolt through-hole, 18, the arbor wheel, 19, the side pressure board, 20, the clamp plate, 21, machining center electrical control system.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4, 5, 6 and 7, the clamp device with airtightness detection for positioning the hub bearing and the shaft wheel comprises a positioning plate 1, an air pressure detection sensor 2, an air pressure adjusting valve 3 and a compressed air device 4; the positioning plate 1 is a rectangular flat plate and is arranged on a machine tool workbench, a bolt through hole 17 connected with the machine tool workbench is arranged on the end face of the positioning plate 1 and is fixedly connected with the machine tool workbench through a bolt, the center of the positioning plate 1 is provided with a center hole sleeved with an outer circle of a stepped shaft at the bottom of a shaft wheel 18, the outer circle of the stepped shaft is in clearance fit with the center hole, positioning bosses 5 which are fixedly integrated with the positioning plate 1 and are used for positioning the end face of the shaft wheel 18 are arranged on the end face of the positioning plate 1, the number of the positioning bosses 5 is five, the five positioning bosses 5 are uniformly distributed on a concentric circle, the positions and the sizes of the positioning bosses 5 are matched with the sizes of the positioning end faces of the shaft wheel 18, airtight holes I6 are arranged on the positioning bosses 5, and the airtight holes I6 correspond to the positioning end faces of the shaft wheel 18; the four side surfaces of the positioning plate 1 are respectively provided with an air path hole I7, an air path hole II 8, an air path hole III 9 and an air path hole IV 10 which are perpendicular to the central axis of an air-tight hole I6 on the positioning boss 5, and an air path hole V11, an air path hole VI 12 and an air path hole VII 13 which are mutually perpendicular and communicated with the air path hole I7, the air path hole II 8, the air path hole III 9 and the air path hole IV 10, seven air path holes form mutually communicated air paths in the positioning plate 1, and after the processing of each air path hole is finished, a plug 16 is arranged at an orifice and is screwed tightly to prevent air leakage, so that the air in the positioning plate 1 keeps a certain pressure; the gas circuit holes II 8 and the gas circuit holes III 9 are respectively symmetrically arranged on two opposite side surfaces of the positioning plate 1 and correspond to the central hole of the positioning plate 1, and gas-tight holes II 14 communicated with the central hole of the positioning plate 1 are respectively arranged at the end parts of the gas circuit holes II 8 and the gas circuit holes III 9 close to the central hole of the positioning plate 1; the inner diameter of the central hole of the positioning plate 1 is symmetrically provided with V-shaped cutting planes corresponding to the air-tight hole II 14, the air-tight hole II 14 is arranged at the center of the cutting plane, the cutting planes are tangent to a concentric circle which is smaller than the inner diameter of the central hole and coaxial with the inner diameter, the inner diameter of the central hole of the positioning plate 1 is phi 69.5, the cutting planes are tangent to a concentric circle of phi 68, and the two V-shaped cutting planes form an included angle of 60 degrees, so that after the shaft wheel 18 is positioned and compressed, the excircle of the positioned stepped shaft is tightly attached to the cutting planes, and the air-tight hole II 14 is blocked to prevent air leakage; an air inlet 15 connected with the air pressure detection sensor 2 is arranged on the end surface of the positioning plate 1, the air inlet 15 is vertically communicated with an air passage hole I7 on the side surface of the positioning plate 1, a circular groove is arranged at the orifice of the air inlet 15, and a sealing ring is arranged in the groove so as to prevent air leakage; the air pressure detection sensor 2 is arranged on one side of a machine tool workbench, one end of an air outlet of the air pressure detection sensor 2 is connected with an air inlet 15 on the end surface of the positioning plate 1 through an air pipe, one end of an air inlet of the air pressure detection sensor 2 is connected with an air outlet of the air pressure regulating valve 3, and a detection signal line of the air pressure detection sensor 2 is connected with a machining center electric control system 21 of the machine tool; the air pressure regulating valve 3 is disposed between the air pressure detecting sensor 2 and the compressed air device 4, an air inlet of the air pressure regulating valve 3 is connected to an air outlet of the compressed air device 4, and the air pressure regulating valve 3 can regulate a pressure signal of the air pressure detecting sensor 2 according to a designed pressure value.
The specific operation process of the utility model is as follows: firstly, a shaft wheel 18 is placed on a positioning plate 1, a stepped shaft at the lower part of the shaft wheel 18 is sleeved in a central hole of the positioning plate 1, an oil cylinder at the rear part of a machine tool workbench is started, a piston rod extends out to drive a side pressure plate 19 to move to one side surface of the shaft wheel 18 and tightly press the shaft wheel 18 for radial positioning, the excircle of the positioning stepped shaft at the lower part of the shaft wheel 18 is abutted against a tangent plane in the central hole of the positioning plate 1 to block an air tight hole II 14, then pressure plates 20 on hydraulic cylinders at two sides of the machine tool workbench are respectively placed on the end surface of the shaft wheel 18, the hydraulic cylinders are started, the end surfaces of the shaft wheel 18 are tightly pressed by the pressure plates 20, a positioning boss 5 on the positioning plate 1 is axially positioned, a compressed air device 4 is started, an air pressure detection sensor 2 is started, after the radial and axial positioning surfaces of the shaft wheel 18 on the positioning plate 1 reach design requirements, the positioning surface of the shaft wheel 18 is respectively tightly attached to an air tight hole I6 on the end surface of the positioning boss 5 and an air tight hole II 14 on the tangent plane of the central hole of the positioning plate 1, the air passage in the positioning plate 1 is blocked, the detection pressure of the air pressure detection sensor 2 rises at the moment, the air pressure detection sensor 2 converts the detected air pressure into a corresponding electric signal and transmits the electric signal to the machining center electric control system 21, and the machining center electric control system 21 judges that the arbor wheel 18 is positioned according to the designed position, so that the bolt hole of the arbor wheel 18 is machined; on the contrary, when the positioning surface of the arbor wheel 18 is not positioned according to the design requirement, any one of the airtight hole I6 and the airtight hole II 14 of the positioning plate 1 is provided or is not blocked at the same time, so that the air leakage of the internal air passage of the positioning plate 1 is caused, the air pressure is low, the set detection pressure cannot be reached, the air pressure detection sensor 2 can feed back a low air pressure signal to the processing center electrical control system 21, the alarm is stopped before the arbor wheel 18 is processed, an operator performs related operation according to the alarm signal, and the condition that the position degree of the processed bolt hole of the arbor wheel 18 is out of tolerance to influence the assembly precision of the hub bearing is prevented.
The utility model discloses not state in detail part is prior art, and the device has used in this enterprise, and is respond well, proposes to promote.
Claims (8)
1. The utility model provides an anchor clamps device with airtight detection wheel hub bearing arbor wheel location, characterized by: comprises a positioning plate (1), an air pressure detection sensor (2), an air pressure adjusting valve (3) and an air compression device (4); the positioning plate (1) is a rectangular flat plate and is arranged on a machine tool workbench and fixedly connected with the machine tool workbench through a bolt, the center of the positioning plate (1) is provided with a center hole sleeved with the outer circle of a stepped shaft of a shaft wheel (18), the end surface of the positioning plate (1) is provided with a positioning boss (5) which is fixedly integrated with the positioning plate (1) and is used for positioning the end surface of the shaft wheel (18), the positioning boss (5) is provided with an air tight hole I (6), four side surfaces of the positioning plate (1) are respectively provided with an air passage hole I (7), an air passage hole II (8), an air passage hole III (9) and an air passage hole IV (10) which are vertical to the central axis of the air tight hole I (6) on the positioning boss (5), and an air passage hole V (11), an air passage hole VI (12) and an air passage hole (13) which are mutually and vertically communicated with the air passage hole I (7), the air passage hole II (8), the air passage hole III (9) and the air passage hole IV (10), seven gas circuit holes form mutually communicated gas circuits inside the positioning plate (1); the gas circuit holes II (8) and the gas circuit holes III (9) are respectively symmetrically arranged on two opposite side surfaces of the positioning plate (1) and correspond to the central hole of the positioning plate (1), and the end parts, close to the central hole of the positioning plate (1), of the gas circuit holes II (8) and the gas circuit holes III (9) are respectively provided with a gas-tight hole II (14) communicated with the central hole of the positioning plate (1); a V-shaped cutting plane corresponding to the airtight hole II (14) is symmetrically arranged on the inner diameter of the central hole of the positioning plate (1), and the airtight hole II (14) is arranged at the center of the cutting plane; an air inlet hole (15) connected with the air pressure detection sensor (2) is formed in the end face of the positioning plate (1), and the air inlet hole (15) is vertically communicated with an air passage hole I (7) in the side face of the positioning plate (1); the air pressure detection sensor (2) is arranged on one side of the machine tool workbench, one end of an air outlet of the air pressure detection sensor (2) is connected with an air inlet (15) on the end surface of the positioning plate (1) through an air pipe, and one end of an air inlet of the air pressure detection sensor (2) is connected with an air outlet of the air pressure adjusting valve (3); the air pressure adjusting valve (3) is arranged between the air pressure detection sensor (2) and the compressed air device (4), and an air inlet of the air pressure adjusting valve (3) is connected with an air outlet of the compressed air device (4).
2. The fixture device with airtightness detection for positioning the hub bearing shaft wheel according to claim 1, wherein: the positioning device is characterized in that the number of the positioning bosses (5) on the positioning plate (1) is five, the five positioning bosses (5) are uniformly distributed on a concentric circle, the positions and the sizes of the positioning bosses (5) are matched with the size of the positioning end face of the arbor wheel (18), and the air-tight holes I (6) on the positioning bosses (5) correspond to the positioning end face of the arbor wheel (18).
3. The fixture device with airtightness detection for positioning the hub bearing shaft wheel according to claim 1, wherein: the center hole of the positioning plate (1) is in clearance fit with the outer circle of the stepped shaft of the shaft wheel (18).
4. The fixture device with airtightness detection for positioning the hub bearing shaft wheel according to claim 1, wherein: and plugs (16) are arranged at the orifices of the positioning plate (1) after the air passage holes on the four side surfaces are processed.
5. The fixture device with airtightness detection for positioning the hub bearing shaft wheel according to claim 1, wherein: the tangent plane on the inner diameter of the central hole of the positioning plate (1) is tangent to a concentric circle which is smaller than the inner diameter and is coaxial with the inner diameter of the central hole.
6. The fixture device with airtightness detection for positioning the hub bearing shaft wheel according to claim 1, wherein: the hole opening of the air inlet (15) on the positioning plate (1) is provided with a circular groove, and a sealing ring is arranged in the groove.
7. The fixture device with airtightness detection for positioning the hub bearing shaft wheel according to claim 1, wherein: the end surface of the positioning plate (1) is provided with a bolt through hole (17) connected with a machine tool workbench.
8. The fixture device with airtightness detection for positioning the hub bearing shaft wheel according to claim 1, wherein: and a detection signal line of the air pressure detection sensor (2) is connected with a machining center electric control system (21) of the machine tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023101664.7U CN213812774U (en) | 2020-12-22 | 2020-12-22 | Fixture device with airtight wheel hub bearing arbor wheel location that detects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023101664.7U CN213812774U (en) | 2020-12-22 | 2020-12-22 | Fixture device with airtight wheel hub bearing arbor wheel location that detects |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213812774U true CN213812774U (en) | 2021-07-27 |
Family
ID=76947277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023101664.7U Active CN213812774U (en) | 2020-12-22 | 2020-12-22 | Fixture device with airtight wheel hub bearing arbor wheel location that detects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213812774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952652A (en) * | 2022-05-28 | 2022-08-30 | 苏州新火花机床有限公司 | Workpiece positioning state detection device and method |
-
2020
- 2020-12-22 CN CN202023101664.7U patent/CN213812774U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952652A (en) * | 2022-05-28 | 2022-08-30 | 苏州新火花机床有限公司 | Workpiece positioning state detection device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206316430U (en) | A kind of modular cutting tool assembly | |
| CN213812774U (en) | Fixture device with airtight wheel hub bearing arbor wheel location that detects | |
| CN204148927U (en) | A kind of Four-axis milling center machine adds turntable clamper | |
| CN103406783B (en) | Engine cylinder head end face drilling and milling method | |
| CN111964841A (en) | Welding tee bend pipe fitting gas tightness detection device | |
| CN114370980B (en) | Clamp airtight detection device and machine tool with same | |
| CN212444292U (en) | Zero point positioning system suitable for flexible production line of unloading on robot | |
| CN203045352U (en) | Fixture used for machining of rotor | |
| CN208945666U (en) | Technological equipment for sealing surface of the discharge gate processing | |
| CN215845780U (en) | Finish turning tool for inner hole of circular ring part | |
| CN215788427U (en) | Direct-push locking type zero point positioning mechanism | |
| CN210160834U (en) | Positioning tooth die with air tightness detection function | |
| CN208366557U (en) | A kind of dedicated air tightness detection tool of Piston Machining | |
| CN211651489U (en) | A first positioning accuracy measurement of eccentric pivot angle connects frock for aviation system hole | |
| CN212577520U (en) | Hydraulic automatic rotating chuck for numerical control | |
| CN214024689U (en) | Wheel hub bearing foreign steamer bolt hole processing positioning and clamping device | |
| CN211717726U (en) | Electronic water pump air tightness testing device | |
| CN113941877A (en) | Positioning and supporting device of cylinder cover for boring machine machining and clamping and adjusting method | |
| CN220312597U (en) | Pressure disk air detection fixture | |
| CN203471387U (en) | Fixture used for drilling and milling end surfaces of cylinder cover of engine | |
| CN218775696U (en) | Lathe high-precision airtight mistake-proofing clamp | |
| CN220837988U (en) | Multistation axial zero shift internal expansion oil pressure clamp | |
| CN210108630U (en) | Helium leakage detection jig | |
| CN216770542U (en) | Special gauge for diameter of arc surface of inner hole of special-shaped antiwear ring | |
| CN212735057U (en) | Gas detection supporting pin with adjustable gas hole position |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |