CN110883528A - Accurate positioning mechanism for station disc - Google Patents
Accurate positioning mechanism for station disc Download PDFInfo
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- CN110883528A CN110883528A CN201911253074.5A CN201911253074A CN110883528A CN 110883528 A CN110883528 A CN 110883528A CN 201911253074 A CN201911253074 A CN 201911253074A CN 110883528 A CN110883528 A CN 110883528A
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- positioning
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- disc
- groove
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- 230000006835 compression Effects 0.000 claims abstract description 17
- 238000007906 compression Methods 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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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
- B23P19/001—Article feeders for assembling machines
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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
- B23P19/02—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 connecting objects by press fit or for detaching same
- B23P19/027—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 connecting objects by press fit or for detaching same using hydraulic or pneumatic means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
The invention aims to provide a station accurate positioning mechanism for a disc, which can avoid the situation that a station disc excessively rotates or does not rotate in place and can enable the position of a workpiece on the station disc to be more accurate. The utility model provides a station disc is with accurate positioning mechanism, the station disc passes through reduction gears and actuating mechanism linkage, the station disc is fixed on the workstation, is equipped with the fixed plate on the workstation, the fixed plate is located station disc circumference outside, be equipped with mutually supporting constant head tank and setting element between fixed plate and station disc, the setting element includes the fixed block, the fixed block has the holding tank, it is protruding to be equipped with compression spring and location in the holding tank, the bellied one end in location stretches out in order to be located the fixed block outside under compression spring's effect, the station disc rotates so that the protruding entering constant head tank in location of the location of setting element or the location is protruding to break away from mutually with the constant head tank.
Description
Technical Field
The invention relates to an automatic assembling device, in particular to an accurate positioning mechanism for a station disc.
Background
For example, in the invention patent with the application number of 201710918262.X, some automatic assembling devices comprise a feeding mechanism and a press-fitting mechanism which are enclosed on the circumferential side of a station disc, the station disc is driven by a driving mechanism, and a plurality of workpiece positioning seats are arranged on the circumferential outer edge of the station disc.
The station disc is a part of the dividing disc, the dividing disc is high in manufacturing cost, and some manufacturers can realize linkage setting of the station disc in a mode of assembling a plurality of parts. A first gear concentric with the lower portion of the station disc is arranged below the station disc, a second gear is arranged at the output end of the motor, the second gear is meshed with the first gear to achieve rotation of the station disc, and the first gear and the second gear are both plane gears and are arranged in parallel with the station disc.
After driving motor stopped, because gear engagement clearance's relation, the station disc still can rotate certain angle, can make the center of the work piece positioning seat of station disc edge take place certain deviation to the work piece positioning seat that the messenger removed to the pressure equipment side and the pressure head axiality variation of pressure equipment mechanism, or pneumatic clamping jaw subassembly puts down the back work piece with the work piece and can deviate the settlement position, so that the pressure equipment effect variation between the work piece can lead to the production of substandard product.
Disclosure of Invention
The invention aims to provide a station accurate positioning mechanism for a disc, which can avoid the situation that a station disc excessively rotates or does not rotate in place and can enable the position of a workpiece on the station disc to be more accurate.
In order to achieve the purpose, the invention adopts the following technical scheme: an accurate positioning mechanism for a station disc, the station disc is linked with a driving mechanism through a speed reducing mechanism, the speed reducing mechanism comprises a first gear concentric with the station disc and a second gear arranged at the output end of the driving mechanism, the first gear and the second gear are meshed, it is characterized in that the station disc is fixed on a workbench, a fixed plate is arranged on the workbench and is positioned at the circumferential outer side of the station disc, a positioning groove and a positioning piece which are matched with each other are arranged between the fixed plate and the station disc, the positioning piece comprises a fixed block, the fixed block is provided with an accommodating groove, a compression spring and a positioning bulge are arranged in the accommodating groove, one end of the positioning bulge extends out under the action of the compression spring to be positioned outside the fixed block, the station disc rotates to enable the positioning protrusion of the positioning piece to enter the positioning groove or the positioning protrusion to be separated from the positioning groove.
The fixed plate and the station correspond to each other, when the station disc rotates to enable the positioning seat to move to a required station (for example, when the positioning seat is moved to the lower side of a pressure head of a press-mounting mechanism and workpiece press-mounting on the positioning column is needed, or the positioning seat is moved to the lower side of a clamping jaw assembly and feeding or discharging on the workpiece positioning seat is needed), the positioning piece can be matched with the positioning groove to enable the positioning protrusion to extend into the positioning groove, so that the station disc is limited to generate autorotation deviation, deviation can not occur in the position of the workpiece positioning seat of the station disc, deviation can not occur in the position of the workpiece on the workpiece positioning seat, feeding, discharging and press-mounting of the station can.
Preferably, the positioning piece is fixed on the fixing plate, the circumferential outer wall of the station disc is inwards concave to form the positioning groove, and under the action of the compression spring, the positioning protrusion enters the positioning groove, or the end part of the positioning protrusion abuts against the circumferential outer wall of the station disc. The arrangement is convenient for manufacturing and processing the station disc, and can also reduce the number of the positioning pieces, so long as one positioning piece is arranged.
Preferably, the peripheral outer wall of the station disc is provided with a plurality of positioning grooves which are arranged in an annular and uniform interval mode. One positioning groove can be corresponded to one station.
Preferably, the positioning protrusion is spherical, and the positioning groove includes a groove surface having an arc surface. The end part of the positioning protrusion can conveniently extend into the positioning groove, and the positioning protrusion can rotate at the same time, so that the abrasion of the positioning protrusion is reduced.
Preferably, the holding tank of fixed block is equipped with the supporting shoe, the supporting shoe has the standing groove to station disc side open-ended, and globular location is protruding to be located the standing groove, and the compression spring tip offsets with the terminal surface that the supporting shoe kept away from the station disc all the time. The arrangement prevents the compression spring from directly contacting with the positioning protrusion, so that the abrasion of the positioning protrusion is reduced.
Preferably, a plurality of small balls are arranged in the placing groove of the supporting block, the maximum outer diameter of each small ball is smaller than that of the corresponding positioning protrusion, the small balls are located on one side, away from the station disc, of the corresponding positioning protrusion, and under the action of the compression spring, the outer wall of each small ball is in contact with the outer wall of the corresponding positioning protrusion. The arrangement facilitates the rotation of the positioning protrusion.
Preferably, the number of the small balls is 4, and the 4 small balls are uniformly arranged in a ring shape at intervals and surround the positioning bulge. The above arrangement further prevents the rotation of the positioning projection.
Preferably, the position of the fixing block deviating from the positioning protrusion is provided with an air hole penetrating through the inside and the outside, and the air hole is communicated with the accommodating groove. The air hole is used for facilitating the circulation of air in the accommodating groove.
The invention has the advantages that the invention can avoid the rotation deviation of the station disc to excessively rotate or not rotate in place, and can ensure that the position of the workpiece on the station disc is more accurate, so as to facilitate the loading and unloading and press mounting of the workpiece.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an enlarged view of the positioning member of the present invention in engagement with the station puck.
Detailed Description
The invention is further described below with reference to the figures and specific embodiments.
As shown in fig. 1 to 3, according to the accurate positioning mechanism for the station disc, the station disc 1 is linked with the driving mechanism 2 through the speed reducing mechanism, the speed reducing mechanism comprises a first gear 11 concentric with the station disc 1 and a second gear 21 arranged at the output end of the driving mechanism 2, the first gear 11 is meshed with the second gear 21, the station disc is fixed on the workbench 13 through a crossed roller bearing 12, the workbench 13 is provided with the fixing plate 3, the fixing plate 3 is located on the circumferential outer side of the station disc 1, and a positioning groove 10 and a positioning part 4 which are matched with each other are arranged between the fixing plate 3 and the station disc 1.
Wherein, setting element 4 is fixed on fixed plate 3, and 1 circumference outer wall indent of station disc is in order to form a plurality of constant head tanks 10, and a plurality of constant head tanks 10 are the even interval setting of annular on 1 circumference outer wall of station disc. The positioning protrusion 43 is spherical, and the positioning groove 10 includes a groove surface having an arc shape.
The positioning element 4 comprises a fixing block 41, the fixing block 41 is provided with a receiving groove 42, a compression spring (not shown in the figure) and a positioning protrusion 43 are arranged in the receiving groove 42, one end of the positioning protrusion 43 extends out under the action of the compression spring to be positioned outside the fixing block 41, and the station disc 1 rotates to enable the end part of the positioning protrusion 43 of the positioning element 4 to enter the positioning groove 10 or the positioning protrusion 43 to be separated from the positioning groove 10. The fixing plate 3 has a through female screw hole, and the fixing hole 41 of the retainer 4 is screwed into the female screw hole.
Be equipped with supporting block 44 in the holding tank 42 of fixed block 41, supporting block 44 has the standing groove to the side opening of station disc 1, and globular location is protruding 43 to be located the standing groove, and the compression spring tip offsets with the terminal surface of the keeping away from the station disc of supporting block 44 all the time. Wherein, the holding tank 42 is to one side opening so that the putting into of spare parts such as location arch 43, reduces the opening of holding tank 42 through the mode of riveting at last to avoid spare parts such as location arch 43 to fall out. The position of the fixing block 41 deviated from the positioning protrusion 43 is provided with an air hole 47 penetrating inside and outside, and the air hole 47 is communicated with the accommodating groove 42.
Four small balls 46 are arranged in the placing groove of the supporting block 44, the maximum outer diameter of each small ball 46 is smaller than the maximum outer diameter of the corresponding positioning protrusion 43, the four small balls 46 are all located on one side, away from the station disc 1, of the corresponding positioning protrusion 43, and under the action of the compression spring, the outer wall of each small ball 46 is in contact with the outer wall of the corresponding positioning protrusion 43. Wherein, four small balls 46 are uniformly arranged at intervals in a ring shape and surround the positioning bulge 43.
The invention has the advantages that the invention can avoid the rotation deviation of the station disc to excessively rotate or not rotate in place, and can ensure that the position of the workpiece on the station disc is more accurate, so as to facilitate the loading and unloading and press mounting of the workpiece.
Claims (8)
1. An accurate positioning mechanism for a station disc, the station disc is linked with a driving mechanism through a speed reducing mechanism, the speed reducing mechanism comprises a first gear concentric with the station disc and a second gear arranged at the output end of the driving mechanism, the first gear and the second gear are meshed, it is characterized in that the station disc is fixed on a workbench, a fixed plate is arranged on the workbench and is positioned at the circumferential outer side of the station disc, a positioning groove and a positioning piece which are matched with each other are arranged between the fixed plate and the station disc, the positioning piece comprises a fixed block, the fixed block is provided with an accommodating groove, a compression spring and a positioning bulge are arranged in the accommodating groove, one end of the positioning bulge extends out under the action of the compression spring to be positioned outside the fixed block, the station disc rotates to enable the positioning protrusion of the positioning piece to enter the positioning groove or the positioning protrusion to be separated from the positioning groove.
2. The precise positioning mechanism for the station disc as claimed in claim 1, wherein the positioning element is fixed on the fixing plate, the circumferential outer wall of the station disc is recessed to form the positioning groove, and the positioning protrusion enters the positioning groove or the end of the positioning protrusion abuts against the circumferential outer wall of the station disc under the action of the compression spring.
3. The precise positioning mechanism for the station disc as claimed in claim 1, wherein the station disc is provided with a plurality of positioning grooves at regular intervals in a ring shape on the circumferential outer wall.
4. The precision positioning mechanism for the station disc as claimed in claim 1 or 2, wherein the positioning protrusion is spherical and the positioning groove comprises an arc-shaped groove surface.
5. The accurate positioning mechanism for the station disc as claimed in claim 4, wherein a supporting block is arranged in the accommodating groove of the fixing block, the supporting block is provided with a placing groove which is open towards the side of the station disc, the spherical positioning protrusion is positioned in the placing groove, and the end of the compression spring is always abutted against the end surface of the supporting block which is far away from the station disc.
6. The accurate positioning mechanism for the station disc as claimed in claim 4, wherein the placing groove of the supporting block is provided with a plurality of small balls, the maximum outer diameter of each small ball is smaller than the maximum outer diameter of the positioning protrusion, the plurality of small balls are arranged on one side of the positioning protrusion far away from the station disc, and the outer walls of the small balls are in contact with the outer walls of the positioning protrusions under the action of the compression springs.
7. The precision positioning mechanism for the station disc as claimed in claim 6, wherein the number of the small balls is 4, and the 4 small balls are uniformly arranged in a ring shape at intervals and surround the positioning protrusion.
8. The accurate positioning mechanism for the station disc as claimed in claim 1, wherein the position of the fixed block deviating from the positioning protrusion is provided with an air hole penetrating from inside to outside, and the air hole is communicated with the accommodating groove.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911253074.5A CN110883528A (en) | 2019-12-09 | 2019-12-09 | Accurate positioning mechanism for station disc |
| PCT/CN2020/089100 WO2021114559A1 (en) | 2019-12-09 | 2020-05-08 | Precise positioning mechanism for workstation disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911253074.5A CN110883528A (en) | 2019-12-09 | 2019-12-09 | Accurate positioning mechanism for station disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110883528A true CN110883528A (en) | 2020-03-17 |
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ID=69751183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911253074.5A Pending CN110883528A (en) | 2019-12-09 | 2019-12-09 | Accurate positioning mechanism for station disc |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110883528A (en) |
| WO (1) | WO2021114559A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021114559A1 (en) * | 2019-12-09 | 2021-06-17 | 横店集团英洛华电气有限公司 | Precise positioning mechanism for workstation disc |
| CN114228234A (en) * | 2021-11-19 | 2022-03-25 | 湖南聚源新能源有限公司 | Biomass low-pressure machine |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101876372A (en) * | 2009-04-28 | 2010-11-03 | 株式会社高井 | Plunger |
| CN204339264U (en) * | 2014-12-10 | 2015-05-20 | 奉化市天风汽车空压机有限公司 | Automobile air compressor crankcase frock clamp |
| CN211516607U (en) * | 2019-12-09 | 2020-09-18 | 横店集团英洛华电气有限公司 | Accurate positioning mechanism for station disc |
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| JPS6059107B2 (en) * | 1981-10-07 | 1985-12-23 | 水野鉄工株式会社 | Fixed position stop device for rotating machine base |
| JPH1177488A (en) * | 1997-09-01 | 1999-03-23 | Sony Corp | Index attachment |
| CN104354071A (en) * | 2014-11-10 | 2015-02-18 | 重庆蓝黛动力传动机械股份有限公司 | Indexing mechanism |
| JP6426641B2 (en) * | 2016-03-08 | 2018-11-21 | ファナック株式会社 | Tool changer |
| CN206567917U (en) * | 2017-02-23 | 2017-10-20 | 山东栋梁科技设备有限公司 | A kind of new decile drilling-hole positioning device |
| CN108655824B (en) * | 2018-03-30 | 2020-10-16 | 武汉船用机械有限责任公司 | Indexing device |
| CN108311951A (en) * | 2018-04-12 | 2018-07-24 | 江苏瑞德机械有限公司 | A kind of index dial |
| CN209050412U (en) * | 2018-10-31 | 2019-07-02 | 福州钜全金属工业有限公司 | A kind of piston circular groove processing localization tool with flexibly positioned pearl |
| CN110315390A (en) * | 2019-07-25 | 2019-10-11 | 中国兵器装备集团自动化研究所 | A kind of explosion-proof index table |
| CN110883528A (en) * | 2019-12-09 | 2020-03-17 | 横店集团英洛华电气有限公司 | Accurate positioning mechanism for station disc |
-
2019
- 2019-12-09 CN CN201911253074.5A patent/CN110883528A/en active Pending
-
2020
- 2020-05-08 WO PCT/CN2020/089100 patent/WO2021114559A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101876372A (en) * | 2009-04-28 | 2010-11-03 | 株式会社高井 | Plunger |
| CN204339264U (en) * | 2014-12-10 | 2015-05-20 | 奉化市天风汽车空压机有限公司 | Automobile air compressor crankcase frock clamp |
| CN211516607U (en) * | 2019-12-09 | 2020-09-18 | 横店集团英洛华电气有限公司 | Accurate positioning mechanism for station disc |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021114559A1 (en) * | 2019-12-09 | 2021-06-17 | 横店集团英洛华电气有限公司 | Precise positioning mechanism for workstation disc |
| CN114228234A (en) * | 2021-11-19 | 2022-03-25 | 湖南聚源新能源有限公司 | Biomass low-pressure machine |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021114559A1 (en) | 2021-06-17 |
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