CN204396963U - Rail chain link Special drill machine - Google Patents
Rail chain link Special drill machine Download PDFInfo
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- CN204396963U CN204396963U CN201420808821.3U CN201420808821U CN204396963U CN 204396963 U CN204396963 U CN 204396963U CN 201420808821 U CN201420808821 U CN 201420808821U CN 204396963 U CN204396963 U CN 204396963U
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- push rod
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- alignment pin
- chain link
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Abstract
Rail chain link Special drill machine relates to engineering machinery Special drill machine.This drilling machine comprises support 1, gauge tap 2, Special drill jig 3, unit head 5, unit head 5 is vertically set on the top of support 1, support 1 is arranged gauge tap 2, Special drill jig 3, its Special drill jig 3 comprises base plate, support plate, bushing plate, alignment pin, lining, drill bushing, holding device, fast fixture, bolster; Fast fixture comprises again handle, rear push rod, bearing, nut, locating piece, screw, connector, front push rod, using back shaft, alignment pin, fast fixture, holding device as machining benchmark and clamping position, holes with bushing plate.The utility model is reasonable in design, easy to operate, quick-clamping, and machining accuracy is high, and production efficiency is high, strict guarantee product quality, the product quality of rail chain link is on the leading domestic level, creates again very big economic benefit.Can extensively promote the use in all engineering machinery chassis manufacturing enterprises.
Description
Technical field
The utility model relates to rig, especially the Special drill machine of the left and right rail chain link of engineering machinery.
Background technology
Crawler belt is the critical piece of various bull-dozer, excavator, crawler crane, churning driven, and rail chain link is the main composition part of crawler belt, along with the increase day by day of rail chain link output, improve the crudy of rail chain link and enhance productivity, becoming the effort target of associated production enterprise, be also competitive method.
The important procedure of rail chain link processing bores holes, because the shape of rail chain link part is special, the centre-to-centre spacing of brill holes, relative dimensions precision all require that high, rail chain link also exists left and right dividing, although use its machining accuracy of general drilling machine brill holes high, but location, clamping are complicated and difficult, use general fixture machining accuracy not reach requirement, its working (machining) efficiency is not high yet.
Our company, for the special shape of rail chain link part, analyzes and determines with the rail level of rail chain link for clamping position, with microcephaly's arc surface and macropore plane be machining benchmark, design specialized boring grab, device unit head, composition rail chain link Special drill machine.
According to retrieval, domestic not yet have the patent application identical with the utility model.
Summary of the invention
For the deficiency of above-mentioned existence, the utility model provides a kind of clamped one time to complete drilling operating, the applicable left and right rail chain link boring of boring grab, not only can ensure machining accuracy, but also the rail chain link Special drill machine that can greatly enhance productivity.
The utility model solves the technical scheme that its technical problem adopts: as shown in Fig. 1-Fig. 9, this rail chain link Special drill machine comprises support 1, gauge tap 2, Special drill jig 3, unit head 5, described support 1 is arranged gauge tap 2, Special drill jig 3, unit head 5 is vertically set on the top of support 1, described gauge tap 2 is done dynamic head rotate forward advance, reversion retreats, stop, boring fourth gear press button, boring press button wherein include unit head rotate forward advance, boring Overstroke, unit head reversion retreat, hold function, described unit head 5 comprises the main shaft vertically downward, the drill of device on main shaft that are provided by unit head, and the boring feeding that dynamic head main spindle realizes up and down, described Special drill jig 3 is installation location, the boring grab of rail chain link, comprises base plate 3.1, support plate 3.2, bushing plate 3.3, alignment pin 3.4, lining 3.5, drill bushing 3.6, holding device 3.7, fast fixture 3.8, bolster 3.9, described base plate 3.1 is made the rectangular slab that the upper and lower surface depth of parallelism is 0.03mm, the cross central line of base plate 3.1 is done the installation screwed hole of a back shaft 3.9, the installation screwed hole that an alignment pin 3.4 installs screwed hole and a Left-side support axle 3.9 is made on the left of cross central line, this left positioner pin 3.4 installs screwed hole and Left-side support axle 3.9, and to install that screwed hole coexists with cross central line parallel distance be that E adds on the axial line of alignment pin 3.4 radius, it is C that alignment pin 3.4 back shaft 3.9 installed on screwed hole and cross central line installs its transverse pitch of screwed hole, on the installation screwed hole of Left-side support axle 3.9 and cross central line, back shaft 3.9 installs the transverse pitch of screwed hole is N, again with base plate 3.1 cross central line for the installation screwed hole of screwed hole and Right side support axle 3.9 installed by the symmetry axis alignment pin 3.4 done on the right side of it, it is consistent with the position of mounting hole of three back shafts 3.9 and two alignment pins 3.4 on bushing plate 3.3 that screwed hole installed by the installation screwed hole of three back shafts 3.9 and two alignment pins 3.4, an opening regulating tank vertical with base plate 3.1 widthwise edge is respectively made at the two ends end to end of cross central line, be fixedly connected with support 1 in order to penetrate bolt, described support plate 3.2 is made the rectangular slab that the upper and lower surface depth of parallelism is 0.03mm, its width is consistent with the width of bushing plate 3.3, its length is consistent with workpiece rail zip length, U-shaped open slot is made in one end of its lengthwise centers line, open slot width is coordinated with back shaft 3.9 diameter wide arc gap, the back shaft 3.9 that cross central line is done clamped by open slot thus, be fixed on base plate 3.1, redundance around the symmetrical excision alignment pin 3.4 of support plate 3.2 other end, be 2E width in the middle of retaining, 2E width plate holder is made to install between screwed hole at left and right alignment pin 3.4, be fixed on base plate 3.1, in order to holding workpieces rail chain link, described bushing plate 3.3 is made the rectangular slab that the upper and lower surface depth of parallelism is 0.03mm, the installing hole of back shaft 3.9 is made in the front end of bushing plate 3.3 lengthwise centers line, its diameter is Φ M, two locating holes are made on the left of lengthwise centers line, the distance of the first locating hole center and lengthwise centers line is made to be E, be A+B with front support axle 3.9 installing hole centre-to-centre spacing along its length, the second locating hole and the first locating hole centre-to-centre spacing is along its length made to be A, centre-to-centre spacing is in the width direction D, make the installing hole of alignment pin 3.4, make to be that E adds alignment pin 3.4 radius with the distance of lengthwise centers line, be C with front support axle 3.9 installing hole centre-to-centre spacing along its length, remake Left-side support axle 3.9 installing hole, make Left-side support axle 3.9 mounting hole site in the tail end of bushing plate 3.3, be 0 with the installing hole centre-to-centre spacing in the width direction of alignment pin 3.4, be N with front support axle 3.9 installing hole centre-to-centre spacing along its length, its diameter is Φ M, again with bushing plate 3.3 lengthwise centers line for symmetry axis makes another two the symmetrical locating holes in right side, and the installing hole of the alignment pin 3.4 of right side symmetry and back shaft 3.9 installing hole, four locating hole diameters are made to be φ F, bushing plate 3.3 is fixedly supported on above base plate 3.1 by three back shafts 3.9, its bushing plate is greater than rail chain link side height+support plate 3.2 thickness along spatial altitude 3.3 times, described alignment pin 3.4 is straight pin, the fixing hole interference fit on its two ends diameter of axle and base plate 3.1, bushing plate 3.3, described lining 3.5 and locating hole φ F interference fit, described drill bushing 3.6 and lining 3.5 interference fit, the diameter of bore of drill bushing is work pieces process diameter of bore overgauge 0.1-0.15mm, described holding device 3.7 comprises the fixed block 3.7.2 that the handled threaded mandrel 3.7.1 of device and horizontal direction make to have screwed hole, is fixed on base plate 3.1 by fixed block 3.7.2, makes threaded mandrel 3.7.1 axial line just to alignment pin 3.4 axial line with screw, described fast fixture 3.8 comprises handle 3.8.1, rear push rod 3.8.2, bearing 3.8.3, nut 3.8.4, locating piece 3.8.5, bolt pair 3.8.6, connector 3.8.7, front push rod 3.8.8, the described oblique device of handle 3.8.1 is at the tail end of rear push rod 3.8.2, described rear push rod 3.8.2 is round bar part, is slidably matched with the endoporus of bearing 3.8.3 horizontal direction, axial slide is made in the middle part of rear push rod 3.8.2, be slidably matched with the polished rod of screw 3.8.6 lower end, rear push rod 3.8.2 front end face center is made screwed hole and is threaded with on connector 3.8.7 cylindrical, the bearing body of described its pane of bearing 3.8.3 is done along its length have horizontal circle through hole, in order to device front push rod 3.8.8 and rear push rod 3.8.2, the forward and backward two ends of its pane left and right sides do there is adjustment groove, in order to penetrate bolt, bearing 3.8.3 is fixed on base plate 3.1, make fast fixture 3.8 axial line just to the axial line of bushing plate 3.3 front support axle 3.9, on pane, two screwed holes are made at the forward and backward two ends of end face lengthwise centers line, in order to hold-down screw secondary 3.8.6, locating piece 3.8.5 and front push rod 3.8.8, on the front end screw rod of front push rod 3.8.8, is integrally fixed by described nut 3.8.4 device, described locating piece 3.8.5 is made
shape locating piece, the left and right clamp that it stretches out is done have inclined-plane to be convenient to location, cylindrical hole and front push rod 3.8.8 front end round bar interference fits are made in its center, make keyway vertically upward in its cylindrical hole, described bolt pair 3.8.6 totally two, after loading the forward and backward screwed hole of bearing 3.8.3, its lower end enters in the axial slide of front push rod 3.8.8 and rear push rod 3.8.2 and play the guiding role, behind the X position of to be positioned piece of 3.8.5 Quick holding part, holding screw secondary 3.8.6 again, realize clamping the location of processed rail chain link, described connector 3.8.7 connects front push rod 3.8.8 and rear push rod 3.8.2, plays regulatory role, described front push rod 3.8.8 is round bar part, be slidably matched with the endoporus of bearing 3.8.3 horizontal direction, axial slide is made in the middle part of front push rod 3.8.8, be slidably matched with the polished rod of screw 3.8.6 lower end, ladder endoporus is made at front push rod 3.8.8 rear end face center, its small end is made screwed hole and is threaded with connector 3.8.7 cylindrical, large endoporus has axial gap to play regulatory role, the front end of front push rod 3.8.8 and locating piece 3.8.5 centre bore interference fits, and do there is keyway, locating piece 3.8.5 and front push rod 3.8.8 is connected by key, the front end of front push rod 3.8.8 does there is screw thread, be connected with nut 3.8.4, described bolster 3.9 is three multidiameters, upper and lower side is little, broad in the middle, the little axle in lower end is made screw thread and is fixed in the installation screwed hole of the back shaft 3.9 on base plate 3.1, the installing hole interference fits of the little axle in upper end and bushing plate 3.3 3 back shafts 3.9, upper end makes screw thread, is fixed bushing plate 3.3 and back shaft 3.9 by nut, is formed Special drill jig 3, the material of described support plate 3.2, bushing plate 3.3, alignment pin 3.4, lining 3.5, threaded mandrel 3.7.1, fast fixture 3.8 whole part, bolster 3.9 except handle 3.8.1 is 45 steel, modifier treatment HB255-285, described drill bushing 3.6 material is T8 steel, heat treatment HRC45-50, surperficial mid frequency induction hardening process is carried out, hardness HRC45-50 after described alignment pin 3.4, bolster 3.9 are modified.
The beneficial effects of the utility model are: the utility model is reasonable in design, the applicable left and right rail chain link boring of auger shell hole fixture, easy to operate, quick-clamping, machining accuracy is high, and production efficiency is high, strictly improves the quality of products, the product quality of rail chain link is on the leading domestic level, creates very big economic benefit.
The utility model can extensively promote the use in all engineering machinery chassis manufacturing enterprises.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram.
In figure: 1-support, 2-gauge tap, 3-Special drill jig, 4-workpiece hole to be drilled, 5-unit head.
Fig. 2 is the top view of workpiece hole to be drilled-rail chain link.
Fig. 3 is Special drill jig overall structure schematic diagram of the present utility model.
In figure: 3.1-base plate, 3.2-support plate, 3.3-bushing plate, 3.4-alignment pin, 3.5-lining, 3.6-drill bushing, 3.7-holding device, 3.8-fast fixture, 3.9-bolster.
Fig. 4 is the sectional view of holding device structural representation of the present utility model.
Fig. 5 is fast fixture overall structure schematic diagram of the present utility model.
Fig. 6 is C-C sectional view of fast fixture overall structure schematic diagram of the present utility model.
In Fig. 5, Fig. 6: 3.8.1-handle, 3.8.2-rear push rod, 3.8.3-bearing, 3.8.4-nut, 3.8.5-locating piece, 3.8.6-bolt pair, 3.8.7-connector, 3.8.8-front push rod.
Fig. 7 is the utility model bushing plate structural representation.
Fig. 8 is that the utility model is holed right chain link clamping workpiece schematic diagram.
Fig. 9 is that the utility model is holed left chain link clamping workpiece schematic diagram.
Detailed description of the invention
The utility model is described in further detail to utilize drawings and Examples.
When the utility model uses, first Special drill jig 3 is installed on base 1 workbench, be put on the support plate 3.2 of Special drill jig 3 process mounting plane rail chain link 4 to be processed, adjustment fast fixture 3.8, fast fixture locating piece 3.8.5 is made to clamp the datum level X of rail chain link 4 to be processed, make the datum level Y of rail chain link 4 to be processed and one, front end bolster 3.9 cylindrical by flat, make the datum level K of rail chain link 4 to be processed and alignment pin 3.4 by flat, adjustment makes threaded mandrel 3.7.1 hold out against the datum level Z of rail chain link 4 to be processed, to be installed, adjustment terminates, can start working.
When using the utility model to bore right link aperture, first alignment pin 3.4 is installed in the installing hole of right positioner pin 3.4, again right for workpiece to be added chain link 4 is put on the right side of support plate 3.2 of Special drill jig 3, adjustment Special-purpose rapid chucking fixture 3.8, fast fixture locating piece 3.8.5 is made to clamp the datum level X position of rail chain link 4 to be processed, to make on the right side of the datum level Y of rail chain link 4 to be processed and bolster 3.9 cylindrical by flat, the datum level K of rail chain link 4 to be processed is contacted with alignment pin 3.4, adjustment makes threaded mandrel 3.7.1 hold out against the datum level Z of rail chain link 4 to be processed, start button switch, unit head 5 main shaft rotates forward and advances, boring Overstroke, unit head 5 reverses and retreats, complete a hole to stop, restart press button, unit head 5 main shaft rotates forward advance, boring Overstroke, unit head 5 reversion retrogressing, completes another hole and stops, take off workpiece 4, right chain link drillman completes, and reinstalls the 2nd right chain link boring.When needs bore left link aperture, boring grab need not be changed, only need alignment pin 3.4 be installed in the installing hole of left positioner pin 3.4, again left for workpiece to be added chain link 4 is put on the left side of support plate 3.2 of Special drill jig 3, adjustment Special-purpose rapid chucking fixture 3.8, fast fixture locating piece 3.8.5 is made to clamp the datum level X position of processed rail chain link 4, to make on the left of the datum level Y of rail chain link 4 to be processed and bolster 3.9 cylindrical by flat, the datum level K of rail chain link 4 to be processed is contacted with alignment pin 3.4, adjustment makes threaded mandrel 3.7.1 hold out against the datum level Z of rail chain link 4 to be processed, start button switch, unit head 5 main shaft rotates forward and advances, boring Overstroke, unit head 5 reverses and retreats, complete a hole to stop, restart press button, unit head 5 main shaft rotates forward advance, boring Overstroke, unit head 5 reversion retrogressing, and complete another hole and stop, taking off workpiece 4, left chain link drillman completes.
Use the utility model can complete drilling operating at one action clamping, boring grab is suitable for the boring of left and right rail chain link, reasonable in design, easy to operate, clamping is quick, machining accuracy is high, and production efficiency is high, both ensure product quality, create again very big economic benefit.
Use after the utility model, product quality obtains the consistent favorable comment of the prominent domestic engineering machinery companies such as Volvo AB (Shandong), Modern Corporation (Jiangsu), Guangxi Liu work, 31 heavy industrys, economic benefit and social benefit remarkable.
Claims (4)
1. rail chain link Special drill machine, it is characterized in that: this rail chain link Special drill machine comprises support (1), gauge tap (2), Special drill jig (3), unit head (5), described support (1) is arranged gauge tap (2), Special drill jig (3), unit head (5) is vertically set on the top of support (1), described gauge tap (2) is done dynamic head rotate forward advance, reversion retreats, stop, boring fourth gear press button, boring press button wherein include unit head rotate forward advance, boring Overstroke, unit head reversion retreat, hold function, described unit head (5) comprises the main shaft vertically downward, the drill of device on main shaft that are provided by unit head, and the boring feeding that dynamic head main spindle realizes up and down, described Special drill jig (3) is installation location, the boring grab of rail chain link, comprises base plate (3.1), support plate (3.2), bushing plate (3.3), alignment pin (3.4), lining (3.5), drill bushing (3.6), holding device (3.7), fast fixture (3.8), bolster (3.9), described base plate (3.1) is made the rectangular slab that the upper and lower surface depth of parallelism is 0.03mm, the cross central line of base plate (3.1) is done the installation screwed hole of a back shaft (3.9), the installation screwed hole that an alignment pin (3.4) installs screwed hole and a Left-side support axle (3.9) is made on the left of cross central line, it is that E adds on the axial line of alignment pin (3.4) radius that the installation screwed hole of this left positioner pin (3.4) installation screwed hole and Left-side support axle (3.9) coexists with cross central line parallel distance, it is C that alignment pin (3.4) back shaft (3.9) installed on screwed hole and cross central line installs its transverse pitch of screwed hole, on the installation screwed hole of Left-side support axle (3.9) and cross central line, back shaft (3.9) installs the transverse pitch of screwed hole is N, be the installation screwed hole that symmetry axis does that alignment pin (3.4) on the right side of it installs screwed hole and Right side support axle (3.9) with base plate (3.1) cross central line again, installation screwed hole and two alignment pin (3.4) installation screwed holes of three back shafts (3.9) are consistent with the position of mounting hole of upper three back shafts (3.9) of bushing plate (3.3) and two alignment pins (3.4), an opening regulating tank vertical with base plate (3.1) widthwise edge is respectively made at the two ends end to end of cross central line, be fixedly connected with support (1) in order to penetrate bolt, described support plate (3.2) is made the rectangular slab that the upper and lower surface depth of parallelism is 0.03mm, its width is consistent with the width of bushing plate (3.3), its length is consistent with workpiece rail zip length, U-shaped open slot is made in one end of its lengthwise centers line, open slot width is coordinated with back shaft (3.9) diameter wide arc gap, the back shaft (3.9) that cross central line is done clamped by open slot thus, be fixed on base plate (3.1), redundance around the symmetrical excision alignment pin (3.4) of support plate (3.2) other end, be 2E width in the middle of retaining, 2E width plate holder is made to install between screwed hole at left and right alignment pin (3.4), be fixed on base plate (3.1), in order to holding workpieces rail chain link, described bushing plate (3.3) is made the rectangular slab that the upper and lower surface depth of parallelism is 0.03mm, the installing hole of back shaft (3.9) is made in the front end of the upper lengthwise centers line of bushing plate (3.3), its diameter is Φ M, two locating holes are made on the left of lengthwise centers line, the distance of the first locating hole center and lengthwise centers line is made to be E, be A+B with front support axle (3.9) installing hole centre-to-centre spacing along its length, the second locating hole and the first locating hole centre-to-centre spacing is along its length made to be A, centre-to-centre spacing is in the width direction D, make the installing hole of alignment pin (3.4), make to be that E adds alignment pin (3.4) radius with the distance of lengthwise centers line, be C with front support axle (3.9) installing hole centre-to-centre spacing along its length, remake Left-side support axle (3.9) installing hole, make Left-side support axle (3.9) mounting hole site in the tail end of bushing plate (3.3), be 0 with alignment pin (3.4) installing hole centre-to-centre spacing in the width direction, be N with front support axle (3.9) installing hole centre-to-centre spacing along its length, its diameter is Φ M, be that symmetry axis makes another two the symmetrical locating holes in right side with bushing plate (3.3) lengthwise centers line again, and the alignment pin of right side symmetry (3.4) installing hole and back shaft (3.9) installing hole, four locating hole diameters are made to be φ F, bushing plate (3.3) is fixedly supported on base plate (3.1) top by three back shafts (3.9), rail chain link side height+support plate (3.2) thickness is greater than along spatial altitude under its bushing plate (3.3), described alignment pin (3.4) is straight pin, the fixing hole interference fit on its two ends diameter of axle and base plate (3.1), bushing plate (3.3), described lining (3.5) and locating hole interference fit, described drill bushing (3.6) and lining (3.5) interference fit, the diameter of bore of drill bushing is work pieces process diameter of bore overgauge 0.05-0.10mm, described holding device (3.7) comprises the fixed block (3.7.2) that the handled threaded mandrel of device (3.7.1) and horizontal direction make to have screwed hole, with screw, fixed block (3.7.2) is fixed on base plate (3.1), makes threaded mandrel (3.7.1) axial line just to alignment pin (3.4) axial line, described fast fixture (3.8) comprises handle (3.8.1), rear push rod (3.8.2), bearing (3.8.3), nut (3.8.4), locating piece (3.8.5), bolt pair (3.8.6), connector (3.8.7), front push rod (3.8.8), and described handle (3.8.1) oblique device is at the tail end of rear push rod (3.8.2), described rear push rod (3.8.2) is round bar part, is slidably matched with the endoporus of bearing (3.8.3) horizontal direction, axial slide is made at rear push rod (3.8.2) middle part, be slidably matched with the polished rod of screw (3.8.6) lower end, rear push rod (3.8.2) front end face center is made screwed hole and is threaded with on connector (3.8.7) cylindrical, the bearing body of described bearing (3.8.3) its pane is done along its length have horizontal circle through hole, in order to the front push rod of device (3.8.8) and rear push rod (3.8.2), before its pane left and right sides, rear two ends do there is adjustment groove, in order to penetrate bolt, bearing (3.8.3) is fixed on base plate (3.1), make fast fixture (3.8) axial line just to the axial line of bushing plate (3.3) front support axle (3.9), on pane before end face lengthwise centers line, two screwed holes are made at rear two ends, in order to hold-down screw pair (3.8.6), locating piece (3.8.5) and front push rod (3.8.8), on the front end screw rod of front push rod (3.8.8), are integrally fixed by described nut (3.8.4) device, described locating piece (3.8.5) is made
shape locating piece, the left and right clamp that it stretches out is done have inclined-plane to be convenient to location, cylindrical hole and front push rod (3.8.8) front end round bar interference fits are made in its center, make keyway vertically upward in its cylindrical hole, described bolt pair (3.8.6) totally two, after loading the forward and backward screwed hole of bearing (3.8.3), its lower end enters in the axial slide of front push rod (3.8.8) and rear push rod (3.8.2) and play the guiding role, behind the X position of to be positioned piece of (3.8.5) Quick holding part, holding screw pair (3.8.6) again, realize clamping the location of processed rail chain link, described connector (3.8.7) connects front push rod (3.8.8) and rear push rod (3.8.2), plays regulatory role, described front push rod (3.8.8) is round bar part, be slidably matched with the endoporus of bearing (3.8.3) horizontal direction, axial slide is made at front push rod (3.8.8) middle part, be slidably matched with the polished rod of bolt pair (3.8.6) lower end, ladder endoporus is made at front push rod (3.8.8) rear end face center, its small end is made screwed hole and is threaded with connector (3.8.7) cylindrical, large endoporus has axial gap to play regulatory role, the front end of front push rod (3.8.8) and locating piece (3.8.5) centre bore interference fits, and do there is keyway, locating piece (3.8.5) and front push rod (3.8.8) is connected by key, the front end of front push rod (3.8.8) does there is screw thread, be connected with nut (3.8.4), described bolster (3.9) is three multidiameters, upper and lower side is little, broad in the middle, the little axle in lower end is made the screw thread back shaft (3.9) be fixed on base plate (3.1) and installs in screwed hole, the little axle in upper end and upper three back shaft (3.9) the installing hole interference fits of bushing plate (3.3), upper end makes screw thread, is fixed bushing plate (3.3) and back shaft (3.9) by nut, is formed Special drill jig (3).
2. rail chain link Special drill machine according to claim 1, it is characterized in that: described support plate (3.2), bushing plate (3.3), alignment pin (3.4), lining (3.5), threaded mandrel (3.7.1), fast fixture (3.8) whole part, bolster (3.9) material except handle (3.8.1) are 45 steel, modifier treatment HB255-285.
3. rail chain link Special drill machine according to claim 1, is characterized in that: described drill bushing (3.6) material is T8 steel, heat treatment HRC45-50.
4. rail chain link Special drill machine according to claim 1, is characterized in that: after described alignment pin (3.4), bolster (3.9) modifier treatment, carry out surperficial mid frequency induction hardening process, hardness HRC45-50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808821.3U CN204396963U (en) | 2014-12-19 | 2014-12-19 | Rail chain link Special drill machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420808821.3U CN204396963U (en) | 2014-12-19 | 2014-12-19 | Rail chain link Special drill machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204396963U true CN204396963U (en) | 2015-06-17 |
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ID=53420861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420808821.3U Expired - Fee Related CN204396963U (en) | 2014-12-19 | 2014-12-19 | Rail chain link Special drill machine |
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| Country | Link |
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| CN (1) | CN204396963U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105171477A (en) * | 2015-10-26 | 2015-12-23 | 镇江索达联轴器有限公司 | Positioning-clamping tool for milling two side faces of each chain link |
| CN105269352A (en) * | 2015-09-21 | 2016-01-27 | 王乃兵 | Clamping method used when binding post holes are machined in explosion-proof motor terminal box bases and product machined through special device |
| CN105750595A (en) * | 2016-05-11 | 2016-07-13 | 潜山县九鼎精密机械有限公司 | Positioning base for drilling hole in fire door hinge blade base |
| CN105772786A (en) * | 2015-10-28 | 2016-07-20 | 镇江裕久智能装备股份有限公司 | Online type automatic drilling machine |
| CN112122649A (en) * | 2020-09-04 | 2020-12-25 | 湖北三江航天红峰控制有限公司 | Drilling and riveting pin device and method for bevel pinion of motor shaft of speed reducer |
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2014
- 2014-12-19 CN CN201420808821.3U patent/CN204396963U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105269352A (en) * | 2015-09-21 | 2016-01-27 | 王乃兵 | Clamping method used when binding post holes are machined in explosion-proof motor terminal box bases and product machined through special device |
| CN105269352B (en) * | 2015-09-21 | 2017-07-21 | 王乃兵 | Clamp method and device during a kind of processing explosion-proof motor junction box seated connection terminal hole |
| CN105171477A (en) * | 2015-10-26 | 2015-12-23 | 镇江索达联轴器有限公司 | Positioning-clamping tool for milling two side faces of each chain link |
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