CN202825535U - Tensile sample outer circle polishing grinding tool capable of being clamped on horizontal lathe - Google Patents
Tensile sample outer circle polishing grinding tool capable of being clamped on horizontal lathe Download PDFInfo
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- CN202825535U CN202825535U CN 201220494264 CN201220494264U CN202825535U CN 202825535 U CN202825535 U CN 202825535U CN 201220494264 CN201220494264 CN 201220494264 CN 201220494264 U CN201220494264 U CN 201220494264U CN 202825535 U CN202825535 U CN 202825535U
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- tensile sample
- grinding tool
- polishing grinding
- leading screw
- pedestal
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Abstract
The utility model relates to a tensile sample outer circle polishing grinding tool capable of being clamped on a horizontal lathe. The tensile sample outer circle polishing grinding tool capable of being clamped on the horizontal lathe comprises a transmission component, a base, a crank sliding block component, a tension spring and a grinding head component. The base is a fork-shaped cavity casting. The transmission component comprises a screw rod and a sliding block. The front portion of the sliding block is of a thread-sleeved structure. A thread sleeve is installed in a cylinder cavity. The screw rod penetrates through the cylinder cavity from the front end and is matched with the thread sleeve in a threaded mode. A key groove is formed in the thread sleeve. The base is provided with a limit bolt embedded in to the key groove. The crank sliding block component comprises a connecting rod and a swing rod which are hinged with each other. The front end of the connecting rod is hinged with the back end of the sliding block. The back end of the swing rod is connected with two forked feet of the base. The grinding head component comprises a supporting rod. The front end of the supporting rod is hinged with the front half portion of the swing rod and the back end of the supporting rod is provided with two hair felt grinding heads. The tension spring is connected between the supporting rod and the swing rod. The tensile sample outer circle polishing grinding tool capable of being clamped on the horizontal lathe solves the technical problem that shaft parts outer circle polishing can not be achieved on the horizontal lathe.
Description
Technical field
The utility model relates to and a kind of axle class tensile sample cylindrical is carried out the grinding tool of polishing grinding, refers in particular to, and in the anti-H 2 S stress corrosion test, clamping carries out the polishing grinding operation to the stressed carrying section of tensile sample cylindrical on horizontal lathe special grinding apparatus.
Background technology
The anti-H 2 S stress corrosion test refers at normal temperatures and pressures, the tensile sample that bears tensile stress is immersed in through acidifying and with hydrogen sulfide in the saturated sodium-chloride water solution, kept the material tensile test of its Poisson's ratio of final test 720 hours applying under the environment of quantitative axial load.
Last procedure of at present sample processing is cylindricalo grinding, because the emery wheel particle is thicker, can stay cut at specimen surface in grinding process.Cut progressively enlarges under the double influence of corrosive liquid and axial tension stress during test, finally causes sample fracture.
For guaranteeing sample fracture not within the testing time, if the immersion stretch section to sample before experiment polishes, so just can eliminate the circumferential cut that is produced by the preceding working procedure grinding, liquid infiltrates the sample top layer when avoiding because of load test, and the crack advance that causes, the core corrosion phenomenon.
At present on horizontal lathe, still the stressed carrying section of tensile sample is not carried out the instrument of polishing grinding, when carrying out the anti-H 2 S stress corrosion test, because corrosive liquid infiltrates sample top layer and corrosion sample core, often cause sample to rupture at the trial, so experimentation cost is quite high and affect test result.According to statistics, when above-mentioned test, the situation of 10 sample fracture will appear in per 100 samples.
The utility model content
But technical problem to be solved in the utility model is to provide the tensile sample excircle polishing grinding tool of a kind of clamping on horizontal lathe, the cooperation grinding agent can be realized the reciprocal bright and clean processing to the sample cylindrical, is used for the cylindrical of the stressed carrying section of tensile sample is carried out the polishing grinding operation.
The technical scheme that the utility model addresses the above problem is as follows:
But the tensile sample excircle polishing grinding tool of a kind of clamping on horizontal lathe is characterized in that: comprise transmission component, pedestal, crank block assembly, extension spring and grinding head assembly,
Described pedestal is forked die cavity foundry goods, and the first half section of pedestal has the cylindrical cavity before and after connecting, and the second half section is uncovered shape, and the rear end of pedestal has two fork pin,
Described transmission component comprises leading screw and slide block, the front portion of described slide block is screw bushing structure, described swivel nut is installed in the cylindrical cavity, stretch out outside the cylindrical cavity at the rear portion of slide block, leading screw penetrates from the cylindrical cavity front end, matches with swivel nut with thread connecting mode in the leading screw rear end, offer on the swivel nut be parallel to lead screw shaft to keyway, pedestal is provided with the stop screw that embeds keyway
Described crank block assembly comprises connecting rod and the rocking bar that is hinged, and the front end of described connecting rod and the rear end of slide block are hinged, and the rear end of described rocking bar is rotatably connected on two fork pin of pedestal through bearing pin,
Described grinding head assembly comprises support bar, and the front end of described support bar is hinged on the first half of rocking bar, and the rear end of support bar is provided with two rotary felt bistriques, is connected with extension spring between support bar and the rocking bar.
Further improvement is, the front end of described pedestal is equipped with transparent cover, and the front end of leading screw stretches out outside the transparent cover.
Further again, the inwall of described cylindrical cavity is along being circumferentially with flange, and described screw mandrel corresponding flange place has the shaft shoulder.This structure is conducive to bearing is fastened between transparent cover and the flange.
Further, sheathed at least one deep groove ball bearing on the leading screw between described transparent cover and the leading screw shaft shoulder, the front and rear end of the outer ring of described deep groove ball bearing leans with transparent cover, flange respectively; Offer notch on the leading screw of described deep groove ball bearing inner ring front end face, be inlaid with outer jump ring in the described notch, the front and rear end of deep groove ball bearing inner ring leans with outer jump ring, the leading screw shaft shoulder respectively.By this structure, the position of bearing on leading screw is fixed, and guarantees can not move horizontally when bearing rotates with leading screw.And the setting of outer jump ring makes the leading screw also can horizontal displacement when rotating, and has guaranteed stationarity and accuracy that leading screw rotates, is convenient to accurately adjust applying degree between felt bistrique and the sample external diameter by the rotation of leading screw, guarantees good polishing effect.
As preferred version, described keyway is opened in the top of swivel nut.Be convenient to like this installation of stop screw.
As preferred version, the external diameter of felt bistrique size is 20mm.
As preferably, the two ends of described extension spring are fixedly arranged on respectively the middle part of support bar and the middle part of rocking bar.
The cross section of described pedestal is square.
As preferably, deep groove ball bearing is two, is provided with bearing space ring between the two.
Grinding tool assembly of the present utility model is the angle of release adjustable structure, through rotating threaded shaft, can drive rocking bar and implement reciprocally swinging, and it is that Φ 18～Φ 32 tensile sample cylindricals polish that the utility model is adapted to external diameter.
In the utility model, the transmission component that is installed in the pedestal is the rotating drive unit, and the crank block assembly is the transposition linkage unit, and grinding head assembly is the polishing unit.By moving horizontally of slide block in the gear unit, realize the adjustment to angle between connecting rod and the rocking bar, thereby make the support bar Angulation changes in the grinding tool assembly, to adapt to the variation of tensile sample external diameter in the bruting process; Also can realize the cylindrical of various outer diameter tensile sample is polished, the setting of extension spring makes the felt bistrique can be pressed on all the time the sample outer surface, guarantees the accurate polishing to sample.
At first grinding tool of the present utility model is positioned on the lathe tool rest during use, flush with chuck hub is visual highly being adjusted to the pedestal front end locating hole center of circle, and Manual spinning is fastening.Subsequently, according to the sample outside diameter adjusting screw that polishes to felt bistrique cylindrical Lower Half be lower than sample cylindrical first half 4-5mm position, the middle carriage length feed is until two bistrique screens (extension spring tensioning).Smear at last polishing gum to the sample cylindrical, back and forth polishing is implemented in the horizontal wire of saddle.
To sum up, compared with prior art, the beneficial effects of the utility model are:
1, the utility model solves the existing technological difficulties that can't implement at horizontal lathe axle class part excircle polishing.And can be for the grinding operation to different-diameter sample cylindrical.
2, utilize the utility model can effectively eliminate the circumferential cut that grinding process produces, carry out polishing operation after, the situation of tensile sample fracture does not occur in tensile sample at the trial again.
3, the utility model greatly reduces the accuracy that test result has also effectively been guaranteed in experimentation cost.
Description of drawings
Fig. 1 is appearance effect schematic perspective view of the present utility model;
Fig. 2 is that integral body of the present utility model is partly cutd open schematic perspective view;
Fig. 3 is part exploded perspective schematic diagram of the present utility model;
Fig. 4 is the full sectional view of the utility model transmission component;
Fig. 5 is that Fig. 4 is along the cutaway view at A-A place.
Fig. 6 is the partial perspective cutaway view of the utility model crank block assembly;
Fig. 7 is the revolved sectional view of the utility model crank block assembly;
Fig. 8 is the partial sectional view of the utility model grinding head assembly;
Fig. 9 is the sectional perspective schematic diagram of the utility model grinding head assembly;
Figure 10 is greatest limit angle of release schematic diagram of the present utility model;
Figure 11 is least limit angle of release schematic diagram of the present utility model;
Figure 12 is the utility model polishing operation schematic perspective view;
Figure 13 is the utility model polishing operation schematic perspective view;
Figure 14 is the utility model tridimensional schematic diagram;
Figure 15 is the utility model leading screw schematic perspective view;
Figure 16 is the utility model slide block schematic perspective view;
Figure 17 is the utility model rocking bar schematic perspective view;
Among the figure:
The 1st, transmission component; The 2nd, pedestal; The 3rd, the crank rocker assembly; The 4th, extension spring; The 5th, grinding head assembly, the 6th, tensile sample, the 7th, chuck, the 8th, knife rest, the 9th, thimble.
1a is end cap, and 1b is bearing space ring, and 1c is bearing, and 1d is leading screw, and 1d-1 is the shaft shoulder, and 1e is slide block, and 1e-1 is swivel nut, and 1f is stop screw, and 1g is outer jump ring;
2a is cylindrical cavity, and 2a-1 is flange, and 2b is the fork pin;
3a is connecting rod, and 3b is rocking bar, and 3c, 3f, 3g are bearing pins, and 3d, 3e, 3h are outer jump rings;
5a is support bar, and 5b, 5c, 5d, 5i, 5l are bearing pins, and 5f, 5g, 5h, 5j, 5k are outer jump rings, and 5e is the felt bistrique.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail:
Extremely shown in Figure 5 such as Fig. 1, but the tensile sample excircle polishing grinding tool of a kind of clamping on horizontal lathe comprises transmission component 1, pedestal 2, crank block assembly 3, extension spring 4 and grinding head assembly 5,
Described pedestal 2 is forked die cavity foundry goods, and the first half section of pedestal has the cylindrical cavity 2a before and after connecting, and the second half section is uncovered shape, and as can be seen from Figure 6, the rear end of pedestal has two fork pin 2b, and is square outside the cross section of pedestal, is convenient to like this dress and is added on the horizontal lathe.
Described transmission component 1 comprises leading screw 1d and slide block 1e, the front portion of described slide block is screw bushing structure 1e-1, described swivel nut is installed in the cylindrical cavity, stretch out outside the cylindrical cavity at the rear portion of slide block, leading screw penetrates from the cylindrical cavity front end, match with swivel nut with thread connecting mode in the leading screw rear end, offer on the swivel nut be parallel to lead screw shaft to keyway 1h, pedestal is provided with the stop screw 1f that embeds keyway 1h, rotating threaded shaft can realize that slide block carries out horizontal reciprocating relative to leading screw and moves, and stop screw can limit slide block rotating in a circumferential direction in the translation process with cooperating of keyway.As preferably, described keyway is opened in the top of swivel nut.
In conjunction with Fig. 6 and shown in Figure 7, described crank block assembly 3 comprises connecting rod 3a and the rocking bar 3b that is hinged, and the rear end of the front end of described connecting rod and slide block 1e is hinged.Described hinged can the realization by the cooperation of bearing pin and outer jump ring, the rear end of described rocking bar is rotatably connected on two fork pin 2b of pedestal 2 through bearing pin 3c.Work as rotational lead screw, the horizontal reciprocating of slide block 1e moves and can pass to rocking bar 3b through connecting rod 3a, thereby realizes the swing of crank block assembly centered by the bearing pin between two fork pin.
In conjunction with Fig. 8 and shown in Figure 9, described grinding head assembly 5 comprises support bar 5a, and the front end of described support bar is hinged on the first half of rocking bar, and the rear end of support bar is provided with two rotary felt bistrique 5e, and the external diameter size of described felt bistrique is 20mm.Be connected with extension spring 4 between support bar and rocking bar 3b, as preferably, the two ends of described extension spring 4 are fixedly arranged on respectively the middle part of support bar and the middle part of rocking bar 3b.With reference to Figure 10 and shown in Figure 11, by the pulling force of extension spring to support bar, realize that the felt bistrique to the tensile sample sanding and polishing of various outer diameter the time, keeps suitable pressure to the sample cylindrical, realize both close contacts, to reach better polishing effect.
The front end of described pedestal is equipped with transparent cover 1a, the front end of leading screw stretches out outside the transparent cover, the inwall of described cylindrical cavity is along being circumferentially with flange 2a-1, described screw mandrel corresponding flange place has shaft shoulder 1d-1, sheathed at least one deep groove ball bearing 1c on the leading screw between described transparent cover and the leading screw shaft shoulder, the front and rear end of the outer ring of described deep groove ball bearing leans with transparent cover, flange respectively; Offer notch 1d-2 on the leading screw of described deep groove ball bearing 1c inner ring front end face, be inlaid with outer jump ring 1g in the described notch, the front and rear end of deep groove ball bearing inner ring leans with outer jump ring, the leading screw shaft shoulder respectively.By this structure, the position of bearing on leading screw is fixed, and guarantees can not move horizontally when bearing rotates with leading screw.And the setting of outer jump ring makes leading screw also can not produce horizontal displacement when rotating, and has guaranteed stationarity and accuracy that leading screw rotates.Be convenient to accurately adjust applying degree between felt bistrique and the sample external diameter by the rotation of leading screw, guarantee good polishing effect.
In the utility model, as preferred version, described deep groove ball bearing is two, is provided with bearing space ring 1b between the two, and it is adapted to external diameter is that Φ 18～Φ 32 tensile sample cylindricals polish.
In the utility model, the transmission component that is installed in the pedestal is the rotating drive unit, and the crank block assembly is the transposition linkage unit, and grinding head assembly is the polishing unit.By moving horizontally of slide block in the gear unit, realize the adjustment to angle between connecting rod and the rocking bar, thereby make the support bar Angulation changes in the grinding tool assembly, to adapt to the variation of tensile sample external diameter in the bruting process; Also can realize the cylindrical of various outer diameter tensile sample is polished, the setting of extension spring makes the felt bistrique can be pressed on all the time the sample outer surface, guarantees the accurate polishing to sample.
At first grinding tool of the present utility model is positioned on the lathe tool rest during use, flush with chuck hub is visual highly being adjusted to the pedestal front end locating hole center of circle, and Manual spinning is fastening.Subsequently, according to the sample outside diameter adjusting screw that polishes to felt bistrique cylindrical Lower Half be lower than sample cylindrical first half 4-5mm position, the middle carriage length feed is until two bistrique screens (extension spring tensioning).Smear at last polishing gum to the sample cylindrical, back and forth polishing is implemented in the horizontal wire of saddle.
Claims (9)
1. but the tensile sample excircle polishing grinding tool of a clamping on horizontal lathe is characterized in that: comprise transmission component (1), pedestal (2), crank block assembly (3), extension spring (4) and grinding head assembly (5),
Described pedestal (2) is forked die cavity foundry goods, and the first half section of pedestal has the cylindrical cavity (2a) before and after connecting, and the second half section is uncovered shape, and the rear end of pedestal has two fork pin (2b),
Described transmission component (1) comprises leading screw (1d) and slide block (1e), the front portion of described slide block is screw bushing structure (1e-1), described swivel nut is installed in the cylindrical cavity, stretch out outside the cylindrical cavity at the rear portion of slide block, leading screw penetrates from the cylindrical cavity front end, matches with swivel nut with thread connecting mode in the leading screw rear end, offer on the swivel nut be parallel to lead screw shaft to keyway (1h), pedestal is provided with the stop screw (1f) that embeds keyway (1h)
Described crank block assembly (3) comprises connecting rod (3a) and the rocking bar (3b) that is hinged, the rear end of the front end of described connecting rod and slide block (1e) is hinged, the rear end of described rocking bar is rotatably connected on two fork pin (2b) of pedestal (2) through bearing pin (3c)
Described grinding head assembly (5) comprises support bar (5a), and the front end of described support bar is hinged on the first half of rocking bar, and the rear end of support bar is provided with two rotary felt bistriques (5e), is connected with extension spring (4) between support bar and the rocking bar (3b).
2. tensile sample excircle polishing grinding tool as claimed in claim 1 is characterized in that:
The front end of described pedestal is equipped with transparent cover (1a), and the front end of leading screw stretches out outside the transparent cover.
3. tensile sample excircle polishing grinding tool as claimed in claim 1 or 2 is characterized in that:
The inwall of described cylindrical cavity is along being circumferentially with flange (2a-1), and described screw mandrel corresponding flange place has the shaft shoulder (1d-1).
4. tensile sample excircle polishing grinding tool as claimed in claim 3 is characterized in that:
Sheathed at least one deep groove ball bearing (1c) on the leading screw between described transparent cover and the leading screw shaft shoulder, the front and rear end of the outer ring of described deep groove ball bearing leans with transparent cover, flange respectively;
Offer notch (1d-2) on the leading screw of described deep groove ball bearing (1c) inner ring front end face, be inlaid with outer jump ring (1g) in the described notch, the front and rear end of deep groove ball bearing inner ring leans with outer jump ring, the leading screw shaft shoulder respectively.
5. tensile sample excircle polishing grinding tool as claimed in claim 1 is characterized in that:
Described keyway is opened in the top of swivel nut.
6. tensile sample excircle polishing grinding tool as claimed in claim 1 is characterized in that:
The external diameter size of felt bistrique is 20mm.
7. tensile sample excircle polishing grinding tool as claimed in claim 1 is characterized in that:
The two ends of described extension spring (4) are fixedly arranged on respectively the middle part of support bar and the middle part of rocking bar (3b).
8. tensile sample excircle polishing grinding tool as claimed in claim 1 is characterized in that:
The cross section of described pedestal is square.
9. tensile sample excircle polishing grinding tool as claimed in claim 1 is characterized in that:
Described deep groove ball bearing is two, is provided with bearing space ring (1b) between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220494264 CN202825535U (en) | 2012-09-25 | 2012-09-25 | Tensile sample outer circle polishing grinding tool capable of being clamped on horizontal lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220494264 CN202825535U (en) | 2012-09-25 | 2012-09-25 | Tensile sample outer circle polishing grinding tool capable of being clamped on horizontal lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202825535U true CN202825535U (en) | 2013-03-27 |
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ID=47937327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220494264 Withdrawn - After Issue CN202825535U (en) | 2012-09-25 | 2012-09-25 | Tensile sample outer circle polishing grinding tool capable of being clamped on horizontal lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202825535U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862119A (en) * | 2012-09-25 | 2013-01-09 | 宝钢发展有限公司 | Stretching sample outer circle polishing grinding tool capable of being clamped on horizontal lathe |
| CN106985065A (en) * | 2017-04-17 | 2017-07-28 | 江苏大学 | A kind of sample grinding and polishing apparatus manufactured for laser micropore |
-
2012
- 2012-09-25 CN CN 201220494264 patent/CN202825535U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862119A (en) * | 2012-09-25 | 2013-01-09 | 宝钢发展有限公司 | Stretching sample outer circle polishing grinding tool capable of being clamped on horizontal lathe |
| CN106985065A (en) * | 2017-04-17 | 2017-07-28 | 江苏大学 | A kind of sample grinding and polishing apparatus manufactured for laser micropore |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130327 Effective date of abandoning: 20150408 |
|
| RGAV | Abandon patent right to avoid regrant |