CN113580647B - Split type ultra-precise full-alignment needle roller structure - Google Patents
Split type ultra-precise full-alignment needle roller structure Download PDFInfo
- Publication number
- CN113580647B CN113580647B CN202110833702.8A CN202110833702A CN113580647B CN 113580647 B CN113580647 B CN 113580647B CN 202110833702 A CN202110833702 A CN 202110833702A CN 113580647 B CN113580647 B CN 113580647B
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- China
- Prior art keywords
- type
- retainer
- plates
- rollers
- grooves
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 17
- 229910052802 copper Inorganic materials 0.000 claims description 17
- 239000010949 copper Substances 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 10
- 230000008093 supporting effect Effects 0.000 description 8
- 238000003754 machining Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0023—Drive arrangements for movable carriers, e.g. turntables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a split type ultra-precise full-arranged needle roller structure which comprises a retainer and a positioning gear, wherein the retainer comprises four retainer plates, a plurality of rollers, a type gear frame and a plurality of type brackets, the four retainer plates are fixedly connected with the type brackets to form a type frame body, the type brackets are positioned on the inner side of the type frame surrounded by the retainer plates, through grooves are formed in the retainer plates, the rollers are arranged in the through grooves, the type gear frame is fixed on the outer side of the type frame body spliced by the retainer plates, a positioning shaft is arranged at the top of the type gear frame, and the positioning gear is connected with the positioning shaft through a bearing. Compared with the original integrated retainer, the split type ultra-precise full-arranged needle roller structure reduces the processing difficulty and cost, and in addition, the support capability is improved by arranging the denser rollers, so that the performance and the service life of the retainer are improved.
Description
Technical Field
The invention relates to a mechanical structure, in particular to a split ultra-precise full-arranged needle roller structure.
Background
In the stamping equipment, a main sliding table is arranged on a lathe bed to transmit power provided by a crankshaft to one side of a stamping die, and in the prior art, a main sliding table guide mechanism adopting a sleeve, a sliding bar, a sliding table, a plate and the like is arranged, so that sliding friction can occur in the movement of the main sliding table guide mechanism, the lubrication requirement is high, the temperature control is difficult, and abrasion and noise are easy to cause; chinese patent CN201920782327.7 discloses a rolling guide rail pair, adopts the guide rail of kingpin form to replace the guide rail of sliding pair form, has both solved the problem that sliding friction leads to, still guaranteed the structural strength of guide rail and the operation precision of main slip table, utilizes the last rack of positioning gear cooperation main slip table and lathe bed simultaneously, has eliminated the holder skew that exists of existing kingpin guide rail, the problem of moving, however, this guide rail has that the machining precision requirement is high, the processing degree of difficulty is big, must integrative renew when changing, simultaneously, under the great circumstances of main slip table quality, between guide rail and slip table side slider and guide rail and the frame still can produce a small amount of contact and arouse wearing and tearing.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide a split type ultra-precise full-arranged needle roller structure which is easy to process and replace.
In order to achieve the aim, the split type ultra-precise full-arranged needle roller structure comprises a retainer and a positioning gear, wherein the retainer comprises four retainer plates, a plurality of rollers, a type gear frame and a plurality of type brackets, the four retainer plates are fixedly connected with the type brackets to form a type frame body, the type brackets are positioned on the inner side of the type surrounded by the retainer plates, through grooves are formed in the retainer plates, the rollers are arranged in the through grooves, the type gear frame is fixed on the outer side of the type frame body spliced by the retainer plates, a positioning shaft is arranged at the top of the type gear frame, and the positioning gear is connected with the positioning shaft through a bearing.
In order to avoid the direct contact between the retaining plates and the rack or the main sliding table, the type support is made of copper, step structures are arranged at two ends of each retaining plate, locating grooves are formed in the -shaped support body by the aid of the step structures of the four retaining plates, the type support is embedded into the locating grooves and fixedly connected with the retaining plates, and the height of the step structures is smaller than the thickness of the type support in the corresponding direction.
In order to avoid the obstruction of the type bracket to the support and rolling of the roller, the height of the ladder structure is 0.1-0.3mm smaller than the thickness of the type bracket in the corresponding direction.
In order to avoid the direct contact between the retaining plates and the rack or the main sliding table, each retaining plate is further provided with a mounting groove, the mounting grooves face the inner side of the -shaped rack body, copper plates are arranged in the mounting grooves, and the thickness of each copper plate is larger than the depth of each mounting groove.
In order to avoid the obstruction of the bracket to the support and rolling of the roller, the thickness of the copper plate is 0.1-0.3mm more than the depth of the mounting groove.
In order to further enhance the supporting ability of the rollers, a plurality of rollers are distributed in each through groove of the holding plate, and the rollers are in contact with each other.
The split type ultra-precise full-arranged needle roller structure provided by the invention adopts the splicing form of the retainer plates, so that the angle size of the whole retainer with longer size is not required to be controlled in the production and manufacturing process, the size precision of the retainer plates and the matching precision of the joint of the retainer plates and the type bracket are only required to be controlled, meanwhile, the machining precision of each size of the type bracket is ensured, the spliced type bracket body has the same movement precision as the former integrated retainer, and as the parts of the split type retainer are plate members and connecting pieces with shorter length, the machining difficulty and the cost are reduced compared with the original integrated retainer, in addition, the supporting capacity is improved by arranging more dense rollers, and the performance and the service life of the retainer are improved.
Drawings
FIG. 1 is a perspective view of an embodiment 1 of a split ultraprecise fully-aligned needle roller structure of the present invention;
fig. 2 is a schematic view of the structure of the retainer and the slide table in the embodiment 1, in which the slide blocks on the frame are engaged;
FIG. 3 is a schematic view of the use of the cage of example 1;
FIG. 4 is a rear view of example 2 of the split ultraprecise fully-aligned needle roller structure of the present invention;
fig. 5 is an enlarged schematic view at a in fig. 4.
In the figure: positioning gear 1, retaining plate 2, roller 3, type gear rack 4, type bracket 5, bearing 6, copper plate 7, slide block 8, rack 9, type frame body 10, positioning groove 11, through groove 20, ladder structure 21, mounting groove 22, positioning shaft 40.
Detailed Description
In order to further describe the technical means and effects adopted by the present invention for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.
Example 1:
the split type ultraprecise full-arrayed needle roller structure described in the embodiment comprises a retainer and a positioning gear 1, wherein the retainer comprises four retainer plates 2, a plurality of rollers 3, a type gear frame 4 and a plurality of type brackets 5, the four retainer plates 2 are fixedly connected with the type brackets 5 to form a type bracket body 10, the type brackets 5 are positioned on the inner side of the type surrounded by the retainer plates 2, through grooves 20 are formed in the retainer plates 2, the rollers 3 are arrayed in the through grooves 20, the type gear frame 4 is fixedly arranged on the outer side of the type bracket body 10 spliced by the retainer plates 2, positioning shafts 40 are arranged on the tops of the type gear frames 4, and the positioning gear 1 is connected with the positioning shafts 40 through bearings 6.
In the actual working process, as shown in fig. 2 and 3, two sides of the retainer are respectively provided with a rack and a sliding table, the rack and the sliding table are respectively provided with a sliding block 8 in rolling fit with the roller 3, meanwhile, in order to avoid interference between the type gear rack 4 and the rack in movement, the sliding block 8 of the rack is provided with a gap with the width not smaller than the movement stroke of the retainer, and in the movement, the positioning gear 1 is matched with two racks 9 respectively fixed on the rack and the sliding table, so that the retainer is prevented from shifting and bouncing; of course, the diameter of the roller 3 is greater than the thickness of the retaining plate 2.
The split type ultra-precise full-arranged needle roller structure provided by the embodiment adopts the splicing mode of the retainer plate 2, so that the whole angle size of the retainer with longer size is not required to be controlled in the production and manufacturing process, the size precision of the retainer plate 2 and the matching precision of the joint of the retainer plate and the type bracket 5 are only required to be controlled, meanwhile, the machining precision of each size of the type bracket 5 is ensured, the spliced type bracket body 10 has the same motion precision as the former integrated retainer, and the machining difficulty and cost are reduced compared with the original integrated retainer because the parts of the split type retainer are plate pieces and connecting pieces with shorter length.
Example 2:
in addition to the features described in embodiment 1, as shown in fig. 4 and fig. 5, in order to avoid direct contact between the holding plates 2 and the frame or the main sliding table, the type support 5 is made of copper, two ends of each holding plate 2 are respectively provided with a step structure 21, the step structures 21 of the four holding plates 2 form positioning grooves 11 in the type frame 10, the type support 5 is embedded into the positioning grooves 11 and is fixedly connected with the holding plates 2, and the height of the step structures 21 is smaller than the thickness of the type support 5 in the corresponding direction; as shown in the figure, the height of the step structure 21 is X, and the thickness of the corresponding direction of the -type bracket 5 is Y, which is the dimension of the outer side of the -type bracket 5 pointing to the inner side of the -type bracket 5.
In order to avoid the obstruction of the type bracket 5 to the support and rolling of the roller 3, the height of the step structure 21 is 0.1mm smaller than the thickness of the type bracket 5 in the corresponding direction.
In order to avoid direct contact between the holding plates 2 and the rack or the main sliding table, as shown in fig. 4, each holding plate 2 is further provided with a mounting groove 22, the mounting groove 22 faces the inner side of the -shaped rack body 10, a copper plate 7 is arranged in the mounting groove 22, and the thickness of the copper plate 7 is greater than the depth of the mounting groove 22.
In order to avoid the type bracket 5 from obstructing the support and rolling of the roller 3, the thickness of the copper plate 7 is 0.1mm more than the depth of the mounting groove 22.
In order to further enhance the supporting capability of the rollers 3, as shown in fig. 4, a plurality of rollers 3 are distributed in each through groove 20 of the retaining plate 2, in this embodiment, each retaining plate 2 is centered on the mounting groove 22, two through grooves 20 with larger lengths are symmetrically arranged, the rollers 3 are arranged in the through grooves 20 in a contact manner and are rotationally connected with the retaining plate 2, through the arrangement, the rollers 3 are distributed in the through grooves, in actual installation, the central axis distance between two adjacent rollers 3 can have an error of +/-0.5 mm in diameter of the rollers 3, compared with the technical scheme that the through grooves 20 and the rollers 3 are in one-to-one correspondence in the prior art, in the roller 3 installation mode, the number and distribution density of the rollers 3 are larger, the supporting effect is better, meanwhile, because the rollers 3 are further tightly installed, the original thinner retaining plate 2 materials between the rollers 3 and the through grooves 20 are removed, thereby being convenient to process, and the scraping of the retaining plate 2 materials can be prevented from being deformed to the sliding block 8; in addition, by arranging the copper plate 7 and the type support 5 made of copper, when the roller 3 is not supported enough to completely separate the retainer from the sliding table under the condition of vibration and the like of the sliding table, further support and lubrication are provided for the sliding table and the rack, and scraping caused by direct contact of the retainer and the sliding table is avoided.
The split type ultraprecise full-arranged needle roller structure provided by the embodiment further improves the supporting structure, improves the supporting effect and can further ensure the accurate matching between the retainer and the rack as well as between the retainer and the sliding table.
Example 3:
unlike the features described in embodiment 2, in the split-type ultraprecise full-scale needle roller structure described in this embodiment, in order to avoid the obstruction of the -type bracket 5 to the supporting and rolling of the roller 3, the height of the stepped structure 21 is smaller than the thickness of the -type bracket 5 in the corresponding direction by 0.2mm.
In order to avoid the type bracket 5 from obstructing the support and rolling of the roller 3, the thickness of the copper plate 7 is 0.2mm more than the depth of the mounting groove 22.
Example 4:
unlike the features described in embodiment 2, in the split-type ultraprecise full-scale needle roller structure described in this embodiment, in order to avoid the obstruction of the -type bracket 5 to the supporting and rolling of the roller 3, the height of the stepped structure 21 is smaller than the thickness of the -type bracket 5 in the corresponding direction by 0.3mm.
In order to avoid the type bracket 5 from obstructing the support and rolling of the roller 3, the thickness of the copper plate 7 is 0.3mm more than the depth of the mounting groove 22.
The present invention is not limited to the above embodiments, but is capable of modification and variation in detail, and other modifications and variations can be made by those skilled in the art without departing from the scope of the present invention.
Claims (3)
1. The split type ultra-precise full-arranged needle roller structure comprises a retainer and a positioning gear (1), and is characterized in that the retainer comprises four retainer plates (2), a plurality of rollers (3), a type gear frame (4) and a plurality of type brackets (5), the four retainer plates (2) are fixedly connected with the type brackets (5) to form a type frame body (10), the type brackets (5) are positioned on the inner side of the type surrounded by the retainer plates (2), through grooves (20) are formed in the retainer plates (2), the rollers (3) are arranged in the through grooves (20), the type gear frame (4) is fixedly arranged on the outer side of the type frame body (10) spliced by the retainer plates (2), positioning shafts (40) are arranged at the tops of the type gear frame (4), and the positioning gear (1) and the positioning shafts (40) are connected through bearings (6); each retaining plate (2) is also provided with a mounting groove (22), the mounting grooves (22) face the inner side of the -shaped frame body (10), copper plates (7) are arranged in the mounting grooves (22), and the thickness of the copper plates (7) is larger than the depth of the mounting grooves (22);
the type support (5) is made of copper, step structures (21) are arranged at two ends of each retaining plate (2), positioning grooves (11) are formed in -shaped support bodies (10) by the step structures (21) of the four retaining plates (2), the type support (5) is embedded into the positioning grooves (11) and fixedly connected with the retaining plates (2), and the height of the step structures (21) is smaller than the thickness of the type support (5) in the corresponding direction;
a plurality of rollers (3) are distributed in each through groove (20) of the retaining plate (2), and the rollers (3) are contacted with each other.
2. The split type ultraprecise full-line needle roller structure according to claim 1, which is characterized in that the height of the step structure (21) is 0.1-0.3mm smaller than the thickness of the bracket (5) in the corresponding direction.
3. The split ultraprecise full-line needle roller structure as claimed in claim 1, wherein the thickness of the copper plate (7) is 0.1-0.3mm more than the depth of the installation groove (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833702.8A CN113580647B (en) | 2021-07-23 | 2021-07-23 | Split type ultra-precise full-alignment needle roller structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833702.8A CN113580647B (en) | 2021-07-23 | 2021-07-23 | Split type ultra-precise full-alignment needle roller structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113580647A CN113580647A (en) | 2021-11-02 |
| CN113580647B true CN113580647B (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110833702.8A Active CN113580647B (en) | 2021-07-23 | 2021-07-23 | Split type ultra-precise full-alignment needle roller structure |
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| Country | Link |
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| CN (1) | CN113580647B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3240689A1 (en) * | 1982-11-04 | 1984-05-24 | SMS Hasenclever Maschinenfabrik GmbH, 4000 Düsseldorf | CHARGING DEVICE FOR MANIPULATING TUBES OF SQUEEZING PRESSES |
| CN205152574U (en) * | 2015-10-19 | 2016-04-13 | 咸阳蓝博机械有限公司 | It is vice that split type computerized embroidery machine aircraft nose trades look guide rail |
| CN210590718U (en) * | 2019-05-28 | 2020-05-22 | 宁波天相机械制造有限公司 | Accurate positioning device for guide rail of accurate sliding table |
| CN210334191U (en) * | 2019-07-17 | 2020-04-17 | 宁波海星机械制造有限公司 | Main sliding table rolling guide rail pair synchronizing device of cold header |
| CN212285733U (en) * | 2020-09-28 | 2021-01-05 | 广东泰吉鑫机械有限公司 | Sliding block guide mechanism for cold header |
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| CN113580647A (en) | 2021-11-02 |
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