CN109605104A - The positioning device in hole - Google Patents
The positioning device in hole Download PDFInfo
- Publication number
- CN109605104A CN109605104A CN201910039623.2A CN201910039623A CN109605104A CN 109605104 A CN109605104 A CN 109605104A CN 201910039623 A CN201910039623 A CN 201910039623A CN 109605104 A CN109605104 A CN 109605104A
- Authority
- CN
- China
- Prior art keywords
- mounting base
- positioning
- hole
- guide
- push rod
- 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.)
- Pending
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- B23Q3/18—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for positioning only
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses a kind of positioning devices in hole, mounting base including can be inserted into the hollow structure of the baseline positioning hole of workpiece, the upper end grafting of the mounting base sets that there are three the positioning pins that can radially move, three positioning pins are evenly arranged around the axle center of the mounting base and are located at same level, guide is equipped between the positioning pin and mounting base, the mounting base is equipped with the locking member for locking the guide, the spring in the axle center by the positioning pin top to the mounting base is equipped in the guide, the joining place of three positioning pins is equipped with the circular cone push rod being slidably connected with three, it further include the power mechanism for driving the circular cone push rod to move up and down.The present invention can effectively eliminate fit clearance, raising positioning accuracy between baseline positioning hole and positioning pin.
Description
Technical field
The present invention relates to positioning tool technical fields, more specifically, it relates to a kind of positioning device in hole.
Background technique
Workpiece localization method is workpiece positioning using straight pin or rhombus pin generally on the basis of origin reference location pin hole.By
There is certain fit clearance between datum hole and setting circle pin or rhombus pin, influences whether a certain site location ruler of work pieces process
It is very little, and resetting is not accurate enough.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to the above-mentioned deficiency of the prior art, the present invention, which provides, a kind of can effectively disappear
Except the positioning device in the hole of fit clearance, raising positioning accuracy between baseline positioning hole and positioning pin.
The technical scheme is that a kind of positioning device in hole, it is characterised in that: the benchmark including can be inserted into workpiece is fixed
The mounting base of the hollow structure in position hole, the upper end grafting of the mounting base are set there are three the positioning pin that can radially move, and three
A positioning pin is evenly arranged and is located at same level, the positioning pin and mounting base around the axle center of the mounting base
Between be equipped with guide, the mounting base is equipped with the locking member for locking the guide, and positioning will be stated by being equipped in the guide
To the spring in the axle center of the mounting base, the joining place of three positioning pins is equipped with to be pushed away with the circular cone that three is slidably connected on pin top
Bar further includes the power mechanism for driving the circular cone push rod to move up and down.
As a further improvement, the first mounting groove for installing the spring is equipped in the guide, it is described
The second mounting groove corresponding with first mounting groove is equipped in the middle part of positioning pin, the spring one end holds out against second installation
Close to the one end in the axle center of the mounting base in slot, the spring other end holds out against one end of first mounting groove.
Further, the one end in axle center of first mounting groove from the guide close to the mounting base is to the guide
Middle part extends, and the cross section of first mounting groove is arcuate structure compatible with the outer diameter of the spring.
Further, described positioning pin one end is equipped with the first inclined-plane being slidably connected with the conical surface of the circular cone push rod,
The other end is equipped with the spherical structure that can be connected with baseline positioning hole inner wall.
Further, one end on the guide close to the axle center of the mounting base is equipped with the cone with the circular cone push rod
Consistent second inclined-plane of face angle degree.
Further, the locking member is fixing screws, and the locking member is extended downwardly from the top of the mounting base
To the guide.
Further, the lower end of the mounting base is equipped with the mounting plate for the mounting base to be installed on to equipment, described
Mounting plate be equipped with mounting hole.
Further, the power mechanism is oil cylinder or cylinder, and the circular cone push rod bottom is equipped with and the power
The connecting screw hole of mechanism connection.
Beneficial effect
Compared with prior art, the present invention having the advantage that are as follows: squeeze three positioning pins by circular cone push rod, make three to determine
Position pin holds out against baseline positioning hole inner wall simultaneously along the outside distending of guide, three positioning pins, can effectively eliminate baseline positioning hole and determine
Fit clearance, raising positioning accuracy between the pin of position, while energy automatic straightening workpiece accurate location, and can guarantee that workpiece repeatedly weighs
Consistency is positioned again.
Detailed description of the invention
Fig. 1 is schematic view of the front view of the invention；
Fig. 2 is overlooking structure diagram of the invention；
Fig. 3 is the schematic view of the front view of mounting base in the present invention；
Fig. 4 is the overlooking structure diagram of mounting base in the present invention；
Fig. 5 is the schematic view of the front view of guide in the present invention；
Fig. 6 is the left view structural representation of guide in the present invention；
Fig. 7 is the schematic view of the front view of positioning pin in the present invention；
Fig. 8 is the overlooking structure diagram of positioning pin in the present invention；
Fig. 9 is the structural schematic diagram of circular cone push rod in the present invention.
Wherein: 1- workpiece, 2- baseline positioning hole, 3- mounting base, 4- positioning pin, 5- guide, 6- locking member, 7- spring, 8-
Circular cone push rod, the first mounting groove of 9-, the second mounting groove of 10-, 11- arcuate structure, the first inclined-plane 12-, 13- spherical structure, 14-
Two inclined-planes, 15- mounting plate, 16- mounting hole, 17- connecting screw hole, 18- escape, 19- guide mounting hole, 20- screw via hole,
21- fixing threaded hole, 22- push rod pilot hole.
Specific embodiment
The present invention is described further for specific embodiment in reference to the accompanying drawing.
Refering to fig. 1-9, a kind of positioning device in hole, the peace of the hollow structure of the baseline positioning hole 2 including can be inserted into workpiece 1
Seat 3 is filled, the upper end grafting of mounting base 3 is set there are three the positioning pin 4 that can radially move, and three positioning pins 4 surround mounting base 3
Axle center be evenly arranged and be located at same level, between positioning pin 4 and mounting base 3 be equipped with guide 5, mounting base 3 be equipped with lock
The locking member 6 of tight guide 5, positioning pin 4 can slide in guide 5, and the axis pushed up positioning pin 4 to mounting base 3 is equipped in guide 5
The spring 7 of the heart, the joining place of three positioning pins 4 are equipped with the circular cone push rod 8 being slidably connected with three, further include driving circular cone push rod
8 power mechanisms to move up and down, the interior push rod pilot hole 22 for being equipped with guidance circular cone push rod 8 and moving of mounting base 3, pass through circular cone push rod
8 squeeze three positioning pins 4, make three positioning pins 4 along the outside distending of guide 5, and three positioning pins 4 hold out against baseline positioning hole 2 simultaneously
Inner wall can effectively eliminate the fit clearance between baseline positioning hole and positioning pin, improve positioning accuracy, while can automatic straightening work
Part accurate location, and can guarantee that positioning consistency is repeated several times in workpiece, present apparatus structure is simple, production easy to manufacture, at low cost.
The first mounting groove 9 for installing spring 7 is equipped in guide 5, the first mounting groove 9 is from guide 5 close to mounting base 3
To extending in the middle part of guide 5, the cross section of the first mounting groove 9 is arcuate structure compatible with the outer diameter of spring 7 for the one end in axle center
11, spring 7 can be carried out positioning is effectively installed, be equipped with second mounting groove corresponding with the first mounting groove 9 in the middle part of positioning pin 4
10,7 one end of spring is held out against close to the one end in the axle center of mounting base 3 in the second mounting groove 10, and 7 other end of spring holds out against the first installation
One end of slot 9, under the elastic force effect of spring 7, the trend of the axe movement of oriented mounting base 3 always of positioning pin 4, the second installation
The both ends of slot 10 are respectively equipped with escape 18, convenient to process to the second mounting groove 10.
4 one end of positioning pin is equipped with the first inclined-plane 12 being slidably connected with the conical surface of circular cone push rod 8, and contact is good, positioning pin 4
Uniform force, the other end are equipped with the spherical structure 13 that can be connected with 2 inner wall of baseline positioning hole；The baseline positioning hole 2 of workpiece 1
After being inserted in mounting base 3, squeeze to positioning pin 4 when circular cone push rod 8 moves upwards makes positioning pin 4 far from the axle center of mounting base 3,
It is point contact between 2 inner wall of spherical structure 13 and baseline positioning hole to make positioning pin 4 hold out against 2 inner wall of baseline positioning hole, 3 points
It can determine a circle, it is ensured that three positioning pins 4 can be in close contact with 2 inner wall of baseline positioning hole simultaneously, eliminated gap, mentioned
High position precision, after three positioning pins 4 hold out against 2 inner wall of baseline positioning hole simultaneously, workpiece 1 will generate slight shift, guarantee workpiece 1
The certainty and consistency of positioning；Workpiece 1 after processing is completed, when circular cone push rod 8 moves downward, spring 7 elastic force effect under,
For positioning pin 4 to the axe movement of mounting base 3, positioning pin 4 leaves 2 inner wall of baseline positioning hole, and work 1 extensible equipment.
One end on guide 5 close to the axle center of mounting base 3 is equipped with consistent second inclined-plane of frustoconical bevel angle with circular cone push rod 8
14, it can extend the contact length between guide 5 and positioning pin 4, and be avoided that guide 5 and circular cone push rod 8 generate interference.
Mounting base 3 is equipped with the guide mounting hole 19 of installation guide 5, and locking member 6 is fixing screws, 6 self installation of locking member
3 top of seat extends downward into guide 5, and the screw via hole 20 of installation locking part 6 is equipped at the top of mounting base 3, and guide 5 is equipped with and lock
The compatible fixing threaded hole 21 of tight part 6, the lower end of mounting base 3 are equipped with the mounting plate 15 for mounting base 3 to be installed on to equipment, peace
Loading board 15 is equipped with mounting hole 16, and mounting base 3 can be installed on to the designated position of equipment by bolt.
Power mechanism is oil cylinder or cylinder, and structure is simple, easy to control, and 8 bottom of circular cone push rod is equipped with to be connected with power mechanism
The connecting screw hole 17 connect, facilitates installation.
The assembling process of the present apparatus is as follows: spring 7 being mounted in the second mounting groove 10, spring 7 is directed at the first mounting groove 9
Positioning pin 4 is inserted into guide 5 afterwards, spring 7, positioning pin 4, guide 5 are inserted into guide mounting hole 19 together, it will using locking member 6
Guide 5 is locked, and by the way that mounting base 3 to be installed in equipment by mounting hole 16, power mechanism is connected 8 bottom of circular cone push rod, will
Circular cone push rod 8 is inserted into push rod pilot hole 22 and contacts the conical surface of circular cone push rod 8 with the first inclined-plane 12 of positioning pin 4.
The above is only the preferred embodiment of the present invention, it should be pointed out that for those skilled in the art, is not taking off
Under the premise of from structure of the invention, several modifications and improvements can also be made, these all will not influence the effect that the present invention is implemented
And patent practicability.
Claims (8)
1. a kind of positioning device in hole, it is characterised in that: the hollow structure including can be inserted into the baseline positioning hole (2) of workpiece (1)
Mounting base (3), the upper end grafting of the mounting base (3) sets that there are three the positioning pins (4) that can radially move, described in three
Positioning pin (4) is evenly arranged and is located at same level, the positioning pin (4) and peace around the axle center of the mounting base (3)
It fills and is equipped with guide (5) between seat (3), the mounting base (3) is equipped with the locking member (6) for locking the guide (5), described
It is equipped in guide (5) and the positioning pin (4) is pushed up into the spring (7) to the axle center of the mounting base (3), three positioning pins
(4) joining place is equipped with the circular cone push rod (8) being slidably connected with three；It further include that the circular cone push rod (8) is driven to move up and down
Power mechanism.
2. the positioning device in hole according to claim 1, it is characterised in that: be equipped in the guide (5) for installing
The first mounting groove (9) of the spring (7), the positioning pin (4) middle part are equipped with corresponding with the first mounting groove (9)
Second mounting groove (10), described spring (7) one end hold out against the axle center in second mounting groove (10) close to the mounting base (3)
One end, spring (7) other end holds out against one end of first mounting groove (9).
3. the positioning device in hole according to claim 2, it is characterised in that: first mounting groove (9) is from the guide
(5) one end close to the axle center of the mounting base (3) extends in the middle part of the guide (5), first mounting groove (9) it is transversal
Face is arcuate structure (11) compatible with the outer diameter of the spring (7).
4. the positioning device in hole according to claim 1, it is characterised in that: described positioning pin (4) one end is equipped with and institute
The first inclined-plane (12) that the conical surface of circular cone push rod (8) is slidably connected is stated, the other end is equipped with and can contact with baseline positioning hole (2) inner wall
The spherical structure (13) of connection.
5. the positioning device in hole according to claim 1, it is characterised in that: close to the installation on the guide (5)
The one end in the axle center of seat (3) is equipped with consistent second inclined-plane (14) of frustoconical bevel angle with the circular cone push rod (8).
6. the positioning device in hole according to claim 1, it is characterised in that: the locking member (6) is fixing screws, institute
The locking member (6) stated extends downward into the guide (5) from the top of the mounting base (3).
7. the positioning device in hole according to claim 1, it is characterised in that: the lower end of the mounting base (3) is equipped with and is used for
The mounting base (3) is installed on to the mounting plate (15) of equipment, the mounting plate (15) is equipped with mounting hole (16).
8. the positioning device in hole described in -7 any one according to claim 1, it is characterised in that: the power mechanism is oil
Cylinder or cylinder, circular cone push rod (8) bottom are equipped with the connecting screw hole (17) connecting with the power mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910039623.2A CN109605104A (en) | 2019-01-16 | 2019-01-16 | The positioning device in hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910039623.2A CN109605104A (en) | 2019-01-16 | 2019-01-16 | The positioning device in hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109605104A true CN109605104A (en) | 2019-04-12 |
Family
ID=66017727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910039623.2A Pending CN109605104A (en) | 2019-01-16 | 2019-01-16 | The positioning device in hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109605104A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091109A (en) * | 2019-06-03 | 2019-08-06 | 霍山嘉远智能制造有限公司 | One kind being convenient for pinpoint tooling device |
| CN110524565A (en) * | 2019-09-19 | 2019-12-03 | 广西玉柴机器股份有限公司 | A kind of robot device grabbing adaptation board |
| CN112576589A (en) * | 2020-12-07 | 2021-03-30 | 东风(武汉)实业有限公司 | Self-adaptive positioning pin structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030111786A1 (en) * | 2001-12-19 | 2003-06-19 | Karl Fries | Clamping apparatus with a clamping chuck and a work piece carrier releasably connectable thereto |
| CN2644080Y (en) * | 2003-08-19 | 2004-09-29 | 扬动股份有限公司 | Internal expansion alignment positioning device |
| CN201353709Y (en) * | 2009-02-19 | 2009-12-02 | 北京北内设备工具有限公司 | Self-centering device used for locating inner holes |
| CN202591907U (en) * | 2012-05-06 | 2012-12-12 | 什邡市明日宇航工业股份有限公司 | Weld center positioning tool for screw barrel of aircraft cabin |
| CN104550522A (en) * | 2014-12-30 | 2015-04-29 | 昆山若宇检具工业有限公司(中国) | Special-shaped hole centering positioning adjustable device |
| CN106475831A (en) * | 2016-12-10 | 2017-03-08 | 保定向阳航空精密机械有限公司 | Minor diameter blank hole Self-centering device |
| CN209304170U (en) * | 2019-01-16 | 2019-08-27 | 广西玉柴机器股份有限公司 | The positioning device in hole |
-
2019
- 2019-01-16 CN CN201910039623.2A patent/CN109605104A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030111786A1 (en) * | 2001-12-19 | 2003-06-19 | Karl Fries | Clamping apparatus with a clamping chuck and a work piece carrier releasably connectable thereto |
| CN2644080Y (en) * | 2003-08-19 | 2004-09-29 | 扬动股份有限公司 | Internal expansion alignment positioning device |
| CN201353709Y (en) * | 2009-02-19 | 2009-12-02 | 北京北内设备工具有限公司 | Self-centering device used for locating inner holes |
| CN202591907U (en) * | 2012-05-06 | 2012-12-12 | 什邡市明日宇航工业股份有限公司 | Weld center positioning tool for screw barrel of aircraft cabin |
| CN104550522A (en) * | 2014-12-30 | 2015-04-29 | 昆山若宇检具工业有限公司(中国) | Special-shaped hole centering positioning adjustable device |
| CN106475831A (en) * | 2016-12-10 | 2017-03-08 | 保定向阳航空精密机械有限公司 | Minor diameter blank hole Self-centering device |
| CN209304170U (en) * | 2019-01-16 | 2019-08-27 | 广西玉柴机器股份有限公司 | The positioning device in hole |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110091109A (en) * | 2019-06-03 | 2019-08-06 | 霍山嘉远智能制造有限公司 | One kind being convenient for pinpoint tooling device |
| CN112975783A (en) * | 2019-06-03 | 2021-06-18 | 霍山嘉远智能制造有限公司 | Be applied to accurate positioning frock of high axiality in both ends |
| CN112975783B (en) * | 2019-06-03 | 2023-09-15 | 霍山嘉远智能制造有限公司 | Be applied to high axiality's in both ends accurate positioning frock |
| CN110524565A (en) * | 2019-09-19 | 2019-12-03 | 广西玉柴机器股份有限公司 | A kind of robot device grabbing adaptation board |
| CN112576589A (en) * | 2020-12-07 | 2021-03-30 | 东风(武汉)实业有限公司 | Self-adaptive positioning pin structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190412 |