CN214024689U - Wheel hub bearing foreign steamer bolt hole processing positioning and clamping device - Google Patents
Wheel hub bearing foreign steamer bolt hole processing positioning and clamping device Download PDFInfo
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- CN214024689U CN214024689U CN202023085089.6U CN202023085089U CN214024689U CN 214024689 U CN214024689 U CN 214024689U CN 202023085089 U CN202023085089 U CN 202023085089U CN 214024689 U CN214024689 U CN 214024689U
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Abstract
A positioning and clamping device for machining bolt holes of an outer wheel of a hub bearing comprises a hydraulic cylinder, a pressing plate, a nut, a positioning disc, a positioning column, a side pressing plate and an air pressure detection device; the positioning device comprises a positioning disc, a positioning boss and an air passage hole I, wherein the positioning boss is used for positioning an outer wheel of a hub bearing, the positioning boss is provided with the air passage hole I, the bottom of the positioning disc is provided with an air inlet hole used for being communicated with an air pressure detection device, and the outer circular surface of the positioning disc is provided with the air passage hole I used for communicating the air inlet hole with the air passage hole I of the positioning boss and an air passage hole II communicated with the positioning column; the positioning column is fixedly connected with the positioning disc, and two air pressure holes II are formed in the positioning outer diameter of the positioning column; the device design science utilizes the location frock that has airtight detection to process wheel hub bearing foreign steamer bolt hole, and whether the clamping of automatic judgement wheel hub bearing foreign steamer is correct to the part of not fixing a position the mistake of wheel hub bearing foreign steamer bolt hole is avoided processing out in the position degree overproof, reduces the waste product.
Description
Technical Field
The utility model belongs to the technical field of wheel hub bearing processing, concretely relates to bolt hole positioning and clamping device on processing wheel hub bearing foreign steamer.
Background
At present, in the automobile wheel hub bearing production process, adopt the internal diameter and the terminal surface location's of wheel hub bearing foreign steamer mode during the bolt hole processing clamping of wheel hub bearing foreign steamer, the iron fillings that produce in the bolt hole processing of wheel hub bearing foreign steamer can cushion the location contact part at frock and wheel hub bearing foreign steamer occasionally, cause the clamping position of wheel hub bearing foreign steamer incorrect, operating personnel also can not discern whether the clamping of wheel hub bearing foreign steamer targets in place, the wheel hub bearing foreign steamer bolt hole site degree of having appeared processing is out of tolerance, influence the assembly precision of wheel hub bearing, produce the waste product, the manufacturing cost of enterprise has been increased.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wheel hub bearing foreign steamer bolt hole processing location clamping device, the device set up the gas pocket on the reference column and the positioning disk contact surface that are used for fixing a position the hole of wheel hub bearing foreign steamer and terminal surface, utilize the atmospheric pressure detection device, detect the inside atmospheric pressure value of location frock to feed back to the lathe, the bolt hole position degree of avoiding the wheel hub bearing foreign steamer of processing is out of tolerance.
The purpose of the utility model can be realized by adopting the following technical scheme: a positioning and clamping device for machining bolt holes of an outer wheel of a hub bearing comprises a hydraulic cylinder, a pressing plate, a nut, a positioning disc, a positioning column, an oil cylinder, a side pressing plate, an air pressure detection device and an air pipe; the hydraulic cylinders are respectively vertically arranged on two sides of a tool mounting table fixed on a machine tool workbench; the pressing plates are symmetrically arranged at the upper port of the hydraulic cylinder and are connected with a driving pull rod of the hydraulic cylinder through nuts; the positioning disc is arranged on the end face of the tool mounting table and fixedly connected with the tool mounting table, a positioning boss which is fixedly integrated with the positioning disc and used for positioning an outer wheel of a hub bearing is arranged on the upper end face of the positioning disc, an air pressure hole I is formed in the positioning boss, an air inlet hole used for communicating an air passage of an air pressure detection device is formed in the bottom of the positioning disc, an air passage hole I used for communicating the air inlet hole with the air pressure hole I of the positioning boss and an air passage hole II communicated with the positioning column are formed in the outer circular face of the positioning disc, and two air vents I perpendicular to the axis of the air passage hole II are formed in the pipeline of the air passage hole II; the positioning column is arranged on the central end face of the positioning disc, the positioning column and the positioning disc are fixedly connected together through bolts, two air pressure holes II vertical to the axis of the positioning column are arranged on the outer diameter of the positioning column and the inner hole of the outer wheel of the hub bearing, air vents II corresponding to the two air vents I of the positioning disc are arranged on the lower end face of the positioning column, and the air vents II are vertically communicated with the air pressure holes II; the side pressing plate is arranged on an oil cylinder piston rod connected with the rear part of the machine tool workbench, and the side pressing plate is fixedly connected with the end of the piston rod; the air pressure detection device is arranged on one side of the machine tool, one end of an air inlet of the air pressure detection device is connected with an air source pipeline of the machine tool through an air pipe, and one end of an air outlet of the air pressure detection device is communicated with an air inlet pipe of the tool mounting table through the air pipe.
The positioning disk is provided with six positioning bosses which are uniformly distributed on a concentric ring and correspond to the positioning surface of the outer wheel of the hub bearing, and the four symmetrical positioning bosses are respectively provided with an air pressure hole I.
The positioning disc is characterized in that an air path hole III which vertically passes through an air inlet hole and is vertically communicated with the air path hole I and the air path hole II is formed in the outer circular surface of the positioning disc, a plug is arranged at the position of an orifice and is screwed down after the air path hole III is machined, and the air inlet hole in the positioning disc is communicated with an air path hole of a tool mounting table fixed on a machine tool workbench.
And after the air passage hole I and the air passage hole II on the positioning disc are processed, a plug is arranged at the orifice and screwed down.
And sealing rings for preventing air leakage are arranged at the hole openings of the air inlet holes on the positioning disc and the hole openings of the two air vents II of the positioning column.
The end face of the positioning disc is provided with a bolt hole fixedly connected with the tool mounting table and a threaded hole connected with the positioning column.
The positioning outer diameter of the positioning column is in clearance fit with an inner hole of an outer wheel of the hub bearing, and two air pressure holes II in the positioning outer diameter are arranged on the same side of the positioning outer diameter and correspond to one side face, pressed by the side pressing plate, of the outer wheel of the hub bearing.
And the positioning column is provided with a connecting hole connected with the positioning disc.
When the utility model is used, the wheel hub bearing outer wheel is firstly placed on a positioning disc fixed on a tool mounting table of a machine tool, the positioning column is sleeved in an inner hole of the wheel hub bearing outer wheel, an oil cylinder at the rear part of the machine tool is started, a piston rod of the oil cylinder extends out to drive a side pressing plate to move to the side surface of the wheel hub bearing outer wheel to tightly press the wheel hub bearing outer wheel, the positioning column radially positions the wheel hub bearing outer wheel, then the pressing plate on the hydraulic cylinder is placed at two sides of the upper end surface of the wheel hub bearing outer wheel, the hydraulic cylinder is started, the hydraulic driving rod drives the pressing plate to tightly press the upper end surface of the wheel hub bearing outer wheel, the clamping of the wheel hub bearing outer wheel is realized, a boss on the positioning disc is axially positioned, air pressure detection is started, air enters an air passage hole on the tool mounting table through an air pipe and then enters an air inlet hole of the positioning disc, when the position of the wheel hub bearing outer wheel is correctly placed, the air hole of the positioning disc, the positioning column, and the air hole of the contact part of the positioning disc is blocked, the air flow forms certain air pressure in an air passage hole I, an air passage hole II and an air passage hole III of the positioning disc and the positioning column; when the position of the wheel hub bearing outer wheel is incorrect, a part of air holes in the positioning disc or the positioning column cannot be blocked, air flow can flow out of the air holes which are not blocked after entering the air passage holes of the positioning disc or the positioning column, air pressure in the air passages of the positioning disc and the positioning column is reduced, the air pressure detection device detects an air pressure value, the air pressure value is compared with a set air pressure value, a signal is fed back to the machine tool, and the machine tool stops running and gives an alarm.
The utility model has the advantages that: the device design science, the structure is reliable, utilizes the location frock that has airtight detection to carry out the clamping processing to the wheel hub bearing foreign steamer, and whether the clamping of automatic judgement wheel hub bearing foreign steamer is correct to in time report to the police the feedback to the part incorrect in location, the bolt hole position degree of avoiding the wheel hub bearing foreign steamer that processes out is out of tolerance, reduces the waste product, has increased economic benefits for the enterprise.
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 puck of the present invention;
FIG. 4 is a cross-sectional view A-A of FIG. 3;
fig. 5 is a top view of the positioning post of the present invention;
FIG. 6 is a cross-sectional view B-B of FIG. 5;
FIG. 7 is a schematic view of the connection between the positioning post and the positioning plate of the present invention;
FIG. 8 is a schematic view of the connection of the air pressure detecting device of the present invention;
the labels in the figure are: 1. the pneumatic cylinder, 2, the clamp plate, 3, the nut, 4, the positioning disk, 5, the reference column, 6, the hydro-cylinder, 7, the side pressure board, 8, the atmospheric pressure detection device, 9, the trachea, 10, the lathe workstation, 11, the frock mount table, 12, the wheel hub bearing foreign steamer, 13, the location boss, 14, atmospheric pressure hole I, 15, the inlet port, 16, gas circuit hole I, 17, the end cap, 18, gas circuit hole II, 19, air vent I, 20, gas circuit hole III, 21, atmospheric pressure hole II, 22, air vent II, 23, the bolt hole, 24, the screw hole, 25, the connecting hole.
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, 7 and 8, the positioning and clamping device for machining bolt holes of the outer wheel of the hub bearing comprises a hydraulic cylinder 1, a pressing plate 2, a nut 3, a positioning disc 4, a positioning column 5, an oil cylinder 6, a side pressing plate 7, an air pressure detection device 8 and an air pipe 9; the hydraulic cylinders 1 are respectively vertically arranged on two sides of a tool mounting table 11 fixed on a machine tool workbench 10; the pressing plates 2 are symmetrically arranged at the upper end ports of the hydraulic cylinders 1, the pressing plates 2 are connected with driving pull rods of the hydraulic cylinders 1 through nuts 3, the hydraulic cylinders 1 are started, and the driving pull rods drive the pressing plates 2 to tightly press the wheel hub bearing outer wheels 12; the positioning disc 4 is arranged on the end face of the tool mounting table 11, a bolt hole (23) fixedly connected with the tool mounting table 11 and a threaded hole (24) connected with the positioning column 5 are formed in the end face of the positioning disc 4, the positioning disc 4 is fixedly connected with the tool mounting table 11 through bolts, positioning bosses 13 which are fixedly integrated with the positioning disc 4 and used for positioning the hub bearing outer wheel 12 are arranged on the upper end face of the positioning disc 4, the number of the positioning bosses 13 is six, the positioning bosses are uniformly distributed on a concentric ring and correspond to the positioning face of the hub bearing outer wheel 12, and air pressure holes I14 are formed in four symmetrical positioning bosses 13 respectively; the bottom of the positioning disc 4 is provided with an air inlet hole 15 for communicating with the air pressure detection device 8, and the air inlet hole 15 is communicated with an air passage hole of a tool mounting table 11 fixed on the machine tool workbench 10; an air path hole I16 for communicating an air inlet hole 15 with an air pressure hole I14 of the positioning boss 13 and an air path hole II 18 communicated with the positioning column 5 are formed in the outer circular surface of the positioning disc 4, and two air vents I19 vertical to the axis of the air path hole II 18 are formed in the pipeline of the air path hole II 18; an air path hole III 20 which vertically passes through the air inlet hole 15 and is vertically communicated with the air path hole I16 and the air path hole II 18 is further formed in the outer circle of the positioning disc 4, a plug 17 is arranged at the orifice and screwed after the air path hole I16, the air path hole II 18 and the air path hole III 20 are processed, air leakage is prevented, air paths are formed in the positioning disc 4 and the positioning column 5 by the three, and the flowing air is kept at a certain pressure; the positioning column 5 is arranged on the central end face of the positioning disc 4, a connecting hole 25 connected with the positioning disc 4 is formed in the positioning column 5 and fixedly connected with the positioning disc 4 through a bolt, the positioning outer diameter of the positioning column 5 is in clearance fit with an inner hole of the hub bearing outer wheel 12, two air pressure holes II 21 vertical to the axis of the positioning column 5 are formed in the positioning outer diameter of the positioning column 5, the two air pressure holes II 21 are arranged on the same side of the positioning outer diameter of the positioning column 5 and correspond to one side face, pressed by the hub bearing outer wheel 12, of the side pressing plate 7 driven by the oil cylinder 6, and when the side pressing plate 7 presses the hub bearing outer wheel 12, the two air pressure holes II 21 in the positioning column 5 are tightly attached to the inner diameter of the hub bearing outer wheel 12; the lower end face of the positioning column 5 is provided with two air vents II 22 corresponding to the two air vents I19 of the positioning disc 4, the air vents II 22 are vertically communicated with an air pressure hole II 21, and sealing rings are arranged at the hole openings of the two air vents II 22 and the hole opening of the air inlet 15 on the positioning disc 4 to prevent air leakage at the connection part of the hole openings; the side pressing plate 7 is arranged on a piston rod of the oil cylinder 6 connected with the rear part of the machine tool workbench 10, and the side pressing plate 7 is fixedly connected with the end of the piston rod; the air pressure detection device 8 is arranged on one side of the machine tool, one end of an air inlet of the air pressure detection device 8 is connected with an air source pipeline of the machine tool through an air pipe 9, and one end of an air outlet is communicated with an air inlet pipe of the tool mounting table 11 through the air pipe 9.
The utility model discloses a concrete use is: firstly, an air pressure detection device 8 is respectively connected with an air source pipeline of a machine tool and an air inlet pipeline of a tool mounting table 11 on the machine tool through an air pipe 9, an air passage hole I16, an air passage hole II 18 and a plug 17 at the hole opening of an air passage hole III 20 on a positioning plate 4 are screwed tightly to prevent air leakage, then a hub bearing outer wheel 12 is placed on the positioning plate 4 fixed on the tool mounting table 11, a positioning column 5 is sleeved in an inner hole of the hub bearing outer wheel 12, an oil cylinder at the rear part of the machine tool is started, a piston rod of the oil cylinder 6 extends out to drive a side pressure plate 7 to move to the side surface of the hub bearing outer wheel 12 and tightly press the hub bearing outer wheel 12, at the moment, the positioning column 5 carries out radial positioning on the hub bearing outer wheel 12, then a pressure plate 2 on a hydraulic cylinder 1 is placed on two sides of the upper end surface of the hub bearing outer wheel 12, the hydraulic cylinder 1 is started, the hydraulic driving rod drives the pressure plate 2 to tightly press the upper end surface of the hub bearing outer wheel 12 to clamp the hub bearing outer wheel 12, the boss on the positioning disc 4 axially positions the hub bearing outer wheel 12, the air pressure detection device 8 is started, air enters an air inlet pipe on the tool mounting table 11 through the air pipe 9 and then enters an air inlet hole 15 of the positioning disc 4, when the position of the hub bearing outer wheel 12 is placed correctly, the hub bearing outer wheel 12, the positioning disc 4 and an air pressure hole I14 and an air pressure hole II 21 at the positioning contact part of the positioning column 5 are blocked, and air flow forms a set air pressure value in an air passage hole I16, an air passage hole II 18 and an air passage hole III 20 of the positioning disc 4 and the positioning column 5; when the iron scraps are filled at the positioning contact part, so that the position of the hub bearing outer wheel 12 is incorrect, a part of air holes in the positioning disc 4 or the positioning column 5 cannot be blocked, air flow can flow out of the air holes which are not blocked after entering the air passage holes of the positioning disc 4 and the positioning column 5, the air pressure in the air passages of the positioning disc 4 and the positioning column 5 is reduced, the air pressure detection device 8 detects an air pressure value, compares the air pressure value with a set air pressure value, feeds a signal back to the machine tool, when the air pressure value is smaller than the set air pressure value, the machine tool stops running and gives an alarm, the positioning accuracy of the hub bearing outer wheel 12 is detected in time, and the bolt hole position degree of the processed hub bearing outer wheel 12 is prevented from being out of.
In this embodiment, 4 can be set to pneumatic hole II 21 and air vent II 22 on the reference column 5, only with two during the use, block up two in addition, the alternate use between two liang can prolong the life of reference column 5 like this, for the production saving cost of enterprise.
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. A positioning and clamping device for machining bolt holes of an outer wheel of a hub bearing comprises a hydraulic cylinder (1), a pressing plate (2), a nut (3), a positioning disc (4), a positioning column (5), an oil cylinder (6), a side pressing plate (7), an air pressure detection device (8) and an air pipe (9), and is characterized in that; the hydraulic cylinders (1) are respectively vertically arranged on two sides of a tool mounting table (11) fixed on a machine tool workbench (10); the pressing plates (2) are symmetrically arranged at the upper end openings of the hydraulic cylinders (1), and the pressing plates (2) are connected with driving pull rods of the hydraulic cylinders (1) through nuts (3); the positioning disc (4) is arranged on the end face of the tool mounting table (11) and fixedly connected with the tool mounting table (11), a positioning boss (13) which is fixedly integrated with the positioning disc (4) and used for positioning a hub bearing outer wheel (12) is arranged on the upper end face of the positioning disc (4), an air pressure hole I (14) is formed in the positioning boss (13), an air inlet hole (15) used for communicating an air passage of an air pressure detection device (8) is formed in the bottom of the positioning disc (4), an air passage hole I (16) used for communicating the air inlet hole (15) with the air pressure hole I (14) of the positioning boss (13) and an air passage hole II (18) communicated with the positioning column (5) are formed in the outer circular face of the positioning disc (4), and two air vents I (19) perpendicular to the axis of the air passage hole II (18) are formed in the pipeline of the air passage hole II (18); the positioning column (5) is arranged on the central end face of the positioning disc (4), the positioning column (5) and the positioning disc (4) are fixedly connected together through bolts, two air pressure holes II (21) vertical to the axis of the positioning column (5) are arranged on the outer diameter of the positioning column (5) and the inner hole of the hub bearing outer wheel (12) in positioning mode, air vents II (22) corresponding to two air vents I (19) of the positioning disc (4) are arranged on the lower end face of the positioning column (5), and the air vents II (22) are vertically communicated with the air pressure holes II (21); the side pressing plate (7) is arranged on a piston rod of an oil cylinder (6) connected with the rear part of the machine tool workbench (10), and the end of the piston rod of the side pressing plate (7) is fixedly connected; the air pressure detection device (8) is arranged on one side of the machine tool, one end of an air inlet of the air pressure detection device (8) is connected with an air source pipeline of the machine tool through an air pipe (9), and one end of an air outlet is communicated with an air inlet pipe of the tool mounting table (11) through the air pipe (9).
2. The positioning and clamping device for machining the bolt holes of the outer wheel of the hub bearing as claimed in claim 1, wherein: the positioning disk (4) on location boss (13) quantity be six, six location boss (13) equipartitions are on a concentric ring, correspond with the locating surface of wheel hub bearing foreign steamer (12), wherein be provided with atmospheric pressure hole I (14) respectively on four location boss (13) of mutual symmetry.
3. The positioning and clamping device for machining the bolt holes of the outer wheel of the hub bearing as claimed in claim 1, wherein: the positioning disc (4) is provided with an air passage hole III (20) which vertically passes through an air inlet hole (15) and is vertically communicated with an air passage hole I (16) and an air passage hole II (18), a plug (17) is arranged at the position of an orifice and is screwed down after the air passage hole III (20) is machined, and the air inlet hole (15) in the positioning disc (4) is communicated with an air passage hole of a tool mounting table (11) fixed on a machine tool workbench (10).
4. The positioning and clamping device for machining the bolt holes of the outer wheel of the hub bearing as claimed in claim 1, is characterized in that: and after the air passage hole I (16) and the air passage hole II (18) on the positioning plate (4) are processed, a plug (17) is arranged at the hole opening and is screwed down.
5. The positioning and clamping device for machining the bolt holes of the outer wheel of the hub bearing as claimed in claim 1, is characterized in that: and sealing rings for preventing air leakage are arranged at the hole openings of the air inlet holes (15) on the positioning disc (4) and the hole openings of the two air vents II (22) of the positioning column (5).
6. The positioning and clamping device for machining the bolt holes of the outer wheel of the hub bearing as claimed in claim 1, is characterized in that: the end face of the positioning disc (4) is provided with a bolt hole (23) fixedly connected with the tool mounting table (11), and is also provided with a threaded hole (24) connected with the positioning column (5).
7. The positioning and clamping device for machining the bolt holes of the outer wheel of the hub bearing as claimed in claim 1, is characterized in that: the positioning outer diameter of the positioning column (5) is in clearance fit with an inner hole of the hub bearing outer wheel (12), and two air pressure holes II (21) in the positioning outer diameter are arranged on the same side of the positioning outer diameter and correspond to one side face of the hub bearing outer wheel (12) pressed by the side pressing plate (7).
8. The positioning and clamping device for machining the bolt holes of the outer wheel of the hub bearing as claimed in claim 1, is characterized in that: and the positioning column (5) is provided with a connecting hole (25) connected with the positioning disc (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023085089.6U CN214024689U (en) | 2020-12-21 | 2020-12-21 | Wheel hub bearing foreign steamer bolt hole processing positioning and clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023085089.6U CN214024689U (en) | 2020-12-21 | 2020-12-21 | Wheel hub bearing foreign steamer bolt hole processing positioning and clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214024689U true CN214024689U (en) | 2021-08-24 |
Family
ID=77340346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023085089.6U Active CN214024689U (en) | 2020-12-21 | 2020-12-21 | Wheel hub bearing foreign steamer bolt hole processing positioning and clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214024689U (en) |
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2020
- 2020-12-21 CN CN202023085089.6U patent/CN214024689U/en active Active
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