CN205254694U - Rear -mounted BTA on -line measuring and deviation correcting device - Google Patents
Rear -mounted BTA on -line measuring and deviation correcting device Download PDFInfo
- Publication number
- CN205254694U CN205254694U CN201520902778.1U CN201520902778U CN205254694U CN 205254694 U CN205254694 U CN 205254694U CN 201520902778 U CN201520902778 U CN 201520902778U CN 205254694 U CN205254694 U CN 205254694U
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- deep hole
- prism
- hole
- corner cube
- heater
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Abstract
The utility model belongs to the technical field of the BTA, in particular to rear -mounted BTA on -line measuring and deviation correcting device solves current BTA in -process and is difficult to observe processing position and corrects the divergent problem of cutter. It includes the cutter arbor, evenly installs the several iron plate along the circumferencial direction on the cutter arbor, and heating device has all been put to every iron plate inside, and wear -resisting piece is installed at the iron plate top, installs pyramid prism on the other end terminal surface of cutter arbor, is equipped with laser emission device and photosensitive sensor in the altitude range corresponding to pyramid prism, and the incident beam that the laser emission device sent is directional by the laser -guide piece. The beneficial effect of the utility model: can in time grasp BTA in -process cutter positional information, judge whether incline of deep hole, promote work piece deep hole straightness accuracy detect with the solution of the difficult problem of rectifying a deviation on line, improve shape position accuracies such as deep hole straightness accuracy, reduce the rejection rate of work piece.
Description
Technical field
The utility model belongs to Deep-Hole Drilling Technology field, particularly one " rear-mounted deep hole machining is online to be detected and deviation correcting device ".
Background technology
Boring, fraising, reaming, honing are to expand aperture on former porose basis, can improve precision, reduce surface roughness, have the deflection that can also correct preferably original axially bored line under certain situation.
In deep hole machining process, knife bar is subject to the restriction in aperture, and diameter is little, and length is large, causes poor rigidity, and intensity is low. When deep hole machining, easily produce vibration, ripple, tapering, inclination, and affect the linearity of deep hole, be difficult to observe working position and Tool in Cutting situation simultaneously, be not easy to find knife bar deflection, be also difficult to accomplish to rectify a deviation in time. At present, still do not have effective technology and device can detect in real time and correct the position of deep hole tools in deep hole machining.
Summary of the invention
The utility model is intended to overcome above-mentioned shortcoming, solves the problem that is difficult to detect in real time the linearity of deep hole and corrects deep hole tools deflection in existing deep hole machining process. The utility model is applicable to workpiece rotation, tool feeding, deep hole machining engineering, and it utilizes laser acquisition principle to detect in real time deep hole tools position, and automatically adjusts deep hole tools position as required, makes it return to initial tram.
For achieving the above object, the utility model adopts following technical scheme to realize: a kind of rear-mounted deep hole machining is online to be detected and deviation correcting device, comprise knife bar, deep hole tools and arbor support, , on knife bar, be fixed with deep hole tools, arbor support is fixed on slide carriage, slide carriage is placed on bed piece, one end of knife bar is fixed on arbor support, it is characterized in that: in deep hole tools and on the knife bar between deep hole processing end face, several iron blocks have along the circumferential direction evenly been installed, each iron block inside is placed with heater, iron block top is provided with wear-resistant block, the radial contour size that iron block and wear-resistant block form is less than the workpiece diameter of machining hole, when not adstante febre of heater, iron block does not expand, the wear-resistant block at its top has been processed endoporus hole wall with workpiece and has not been contacted, when after heater heating, iron block expanded by heating, the wear-resistant block at its top has been processed endoporus hole wall with workpiece and has been contacted, iron block is positioned at a side of machining hole. on the other end end face of knife bar, prism of corner cube bearing is installed, the spindle hole height of the height of prism of corner cube bearing and lathe headstock is suitable, prism of corner cube and prism of corner cube support seat cover are installed on prism of corner cube bearing, laser beam emitting device and light sensor are housed in the altitude range corresponding to prism of corner cube, laser beam emitting device and light sensor are installed on outrigger, outrigger is fixed on bed piece, the incident beam that laser beam emitting device sends is by laser guide piece orientation, be parallel to the initial axis of knife bar through directed incident beam, incident beam is through the undressed hole of workpiece, after prism of corner cube, form Returning beam, Returning beam returns through the undressed hole of workpiece, arrive light sensor, light sensor connects computer.
Above-mentioned rear-mounted deep hole machining is online to be detected and deviation correcting device, it is characterized in that described laser guide piece is cylindrical, the equal diameters of its diameter and spindle hole, be installed in spindle hole, between prism of corner cube bearing and laser beam emitting device, on laser guide piece, have two parallel unthreaded holes excessively, be respectively and cross unthreaded hole for No. one and cross unthreaded hole No. two. The incident beam that laser beam emitting device sends is injected through the unthreaded hole of crossing for No. of laser guide piece, and light beam, by after prism of corner cube, to be parallel to the direction before incident, is crossed unthreaded hole from No. two and penetrated, and return laser light light beam is parallel with the axis of knife bar; In the time of debugging laser direction, adopt laser guide piece, after debugging, laser guide piece is retained or withdrawn.
Above-mentioned rear-mounted deep hole machining is online to be detected and deviation correcting device, it is characterized in that described deep hole tools is boring cutter or reamer or drill bit or honing head.
Above-mentioned rear-mounted deep hole machining is online to be detected and deviation correcting device, it is characterized in that described wear-resistant block is carbide alloy.
Above-mentioned rear-mounted deep hole machining is online to be detected and deviation correcting device, it is characterized in that described heater is resistance heater or electromagnetic heater or infrared heater.
Above-mentioned rear-mounted deep hole machining is online to be detected and deviation correcting device, it is characterized in that described iron block quantity is more than 3 or 3.
According to introduction above, the relevant main parts size of the utility model has: laser beam emitting device, light sensor, prism of corner cube bearing, prism of corner cube, laser guide piece, computer, deep hole tools, knife bar, iron block, wear-resistant block, heater etc. Workpiece one end is located by clamp holder clamping, and the other end, by center rest support, drives its rotation by lathe power.
The utility model makes full use of the specific properties work of laser and prism, detects online the position of deep hole tools. The laser beam emitting device being positioned on outrigger is launched laser, after prism of corner cube reflection, be radiated on light sensor, hot spot by light sensor changes the deflection of reflection deep hole tools or deep hole axis, by the Real time vision result that detects and rectify a deviation. In the time that deep hole tools departs from tram, the utility model also can be corrected the position of deep hole tools, its principle is: in the time of deep hole tools right avertence, be positioned at the heater heating on right side, iron block expands, the wear-resistant block at iron block top has been processed endoporus hole wall with workpiece and has been contacted, and interaction force makes deep hole tools get back to correct position; In like manner, in the time of deep hole tools left avertence, be positioned at the heater heating in left side, make deep hole tools get back to correct position. In a word, in the utility model, make one or more heater heating, can realize the deflection of correcting deep hole tools in non-stop-machine situation. Heating-up temperature is relevant with required correction amount.
In the time that drill bit departs from tram, in the utility model, on light sensor, hot spot changes, A/D converter can be converted into data signal by variable quantity, computer is processed the data signal of reception, export certain voltage according to the output control signal driving power of computer, make to be positioned at the heater heating on iron block, and then corresponding iron block is expanded, the endoporus that therefore wear-resistant block at iron block top has been processed with workpiece contacts. The utility model proposes to correct by the expansion of iron block the position of deep hole tools first, makes deep hole tools in correct position.
The beneficial effects of the utility model: the utility model can ensure that processed deep hole has good linearity and positional precision. Concrete effect is as follows. The first, due to laser beam emitting device, light sensor is positioned on outrigger, thereby has avoided the harmful effect to laser beam emitting device and sensor of the high temperature that produces in process. As one of laser beam emitting device or light sensor are placed in hole, be subject to the impact of high temperature, be difficult to reach detection effect of the present utility model. The utility model takes full advantage of the characteristic of the parallel retroeflection of prism of corner cube to laser, so can obtain above-mentioned effect. The second, by observing the image of Computer display, detect online the change in location of deep hole tools, grasp in time the duty of workpiece rotation, deep hole tools feeding deep hole machining. The variation of deep hole tools position has reflected the quality in hole indirectly, so the utility model can be used as deep hole straightness check tool and uses. The 3rd, find can correct in time deep hole tools position deviation after deep hole tools deflection. On the utility model knife bar circumferencial direction, the iron block containing heater is installed, iron block top is provided with wear-resistant block, heater is resistance heater or electromagnetic heater or infrared heater, volume is little, displacement resolution is high, response is fast, High power output, makes to adjust in time deep hole tools position become possibility by heater. Especially it is worth emphasizing that, the utility model is corrected deep hole tools deflection by the principle of expanding with heat and contract with cold, and only electric wire need be guided into the elements such as resistance, and structure is very compact. In a word, the utility model has promoted the solution of a deep hole machining correction difficult problem.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model, and Fig. 2 is knife bar end view, and Fig. 3 is laser guide figure.
In figure: 1-computer, 2-laser beam emitting device, 3-light sensor, 4-main spindle box, 5-main shaft, 6-clamper, 7-prism of corner cube support seat cover, 8-prism of corner cube, 9-prism of corner cube bearing, 10-trip bolt, 11-deep hole tools, 12-iron block, 13-workpiece, 14-knife bar, 15-centre frame, 16-arbor support, 17-slide carriage, 18-bed piece, 19-wear-resistant block, 20-heater, 21-outrigger, 22-laser guide piece, 23-crosses unthreaded hole No. mono-, and 24-crosses unthreaded hole No. bis-.
Detailed description of the invention
By reference to the accompanying drawings detailed description of the invention of the present utility model is further described, these detailed description of the invention are of the present utility model for illustrating, the utility model are not done to any restriction.
As Fig. 1, Fig. 2, shown in Fig. 3, the utility model workpiece 13 rotates, deep hole tools 11 feedings. On workpiece 13, there is bottom outlet, need the deep hole of boring axis horizontal.
The utility model comprises deep hole tools 11, knife bar 14, computer 1, laser beam emitting device 2, light sensor 3, main spindle box 4, main shaft 5, clamper 6, prism of corner cube support seat cover 7, prism of corner cube 8, prism of corner cube bearing 9, trip bolt 10, iron block 12, centre frame 15, arbor support 16, slide carriage 17, bed piece 18, wear-resistant block 19, heater 20, outrigger 21, laser guide piece 22 etc. Workpiece 13 one end are by clamper 6 clamping and positioning, and the other end is supported by centre frame 15, drive its rotation by lathe power.
Deep hole tools 11 is fixed on knife bar 14 by trip bolt 10, one end of knife bar 14 is fixed on arbor support 16, arbor support 16 is fixed on slide carriage 17, slide carriage 17 is placed on bed piece 18, in deep hole tools 11 and on the knife bar 14 between deep hole processing end face, several iron blocks 12 have along the circumferential direction evenly been installed, each iron block 12 inside are placed with heater 20, iron block 12 tops are provided with wear-resistant block 19, the radial contour size that iron block 12 and wear-resistant block 19 form is less than workpiece 13 diameter of machining hole, when not adstante febre of heater 20, iron block 12 does not expand, the wear-resistant block 19 at its top does not contact with workpiece 13 endoporus hole walls, when after heater 20 heatings, iron block 12 expanded by heating, the wear-resistant block 19 at its top contacts with workpiece 13 endoporus hole walls, iron block 12 is positioned at a side of machining hole. on the other end end face of knife bar 14, prism of corner cube bearing 9 is installed, prism of corner cube 8 and prism of corner cube support seat cover 7 are installed on prism of corner cube bearing 9, laser beam emitting device 2 and light sensor 3 are housed in the altitude range corresponding to prism of corner cube 8, laser beam emitting device 2 and light sensor 3 are installed on outrigger 21, outrigger 21 is fixed on bed piece 18, the incident beam that laser beam emitting device 2 sends is by laser guide piece 22 orientations, be parallel to the initial axis of knife bar 14 through directed incident beam, incident beam is through the undressed hole of workpiece 13, after prism of corner cube 8, form Returning beam, Returning beam returns through the undressed hole of workpiece 13, arrive light sensor 3, light sensor 3 passes to signal computer 1 again.
Above-mentioned Returning beam and initial laser beam incident line parallel, but opposite direction. The information that anacom 1 gathers is obtained deep hole linearity. In deep hole machining process, when deep hole tools 11 departs from original correct position, the hot spot on light sensor 3 surfaces changes, and hot spot change information is transferred to after computer 1, and the output control signal driving power of computer 1 is exported certain voltage.
Laser guide piece 22 is cylindrical, the equal diameters of its diameter and spindle hole, be installed in spindle hole, between prism of corner cube bearing 9 and laser beam emitting device 2, on laser guide piece 22, have two and cross unthreaded hole, be respectively and cross unthreaded hole 23 for No. one and cross unthreaded hole 24 No. two, the incident beam that laser beam emitting device 2 sends is injected through the unthreaded hole 23 of crossing for No. of laser guide piece 22, light beam is by after prism of corner cube 8, to be parallel to the direction before incident, cross unthreaded hole 24 from No. two and penetrate, return laser light light beam is parallel with the axis of knife bar 14; In the time of debugging laser direction, adopt laser guide piece 22, after debugging, laser guide piece 22 is retained or withdrawn.
Above-mentioned deep hole tools is boring cutter or reamer or drill bit or honing head.
Above-mentioned wear-resistant block is carbide alloy.
Above-mentioned heater is resistance heater or electromagnetic heater or infrared heater.
Above-mentioned iron block quantity is more than 3 or 3.
Claims (6)
1. rear-mounted deep hole machining is online detects and deviation correcting device, comprise knife bar, deep hole tools and arbor support, on knife bar, be fixed with deep hole tools, arbor support is fixed on slide carriage, slide carriage is placed on bed piece, one end of knife bar is fixed on arbor support, it is characterized in that: in deep hole tools and on the knife bar between deep hole processing end face, several iron blocks have along the circumferential direction evenly been installed, each iron block inside is placed with heater, iron block top is provided with wear-resistant block, the radial contour size that iron block and wear-resistant block form is less than the workpiece diameter of machining hole, when not adstante febre of heater, iron block does not expand, the wear-resistant block at its top has been processed endoporus hole wall with workpiece and has not been contacted, when after heater heating, iron block expanded by heating, the wear-resistant block at its top has been processed endoporus hole wall with workpiece and has been contacted, on the other end end face of knife bar, prism of corner cube bearing is installed, the spindle hole height of the height of prism of corner cube bearing and lathe headstock is suitable, prism of corner cube and prism of corner cube support seat cover are installed on prism of corner cube bearing, laser beam emitting device and light sensor are housed in the altitude range corresponding to prism of corner cube, laser beam emitting device and light sensor are installed on outrigger, outrigger is fixed on bed piece, the incident beam that laser beam emitting device sends is by laser guide piece orientation, be parallel to the initial axis of knife bar through directed incident beam, incident beam is through the undressed hole of workpiece, after prism of corner cube, form Returning beam, Returning beam returns through the undressed hole of workpiece, arrive light sensor, light sensor connects computer.
2. rear-mounted deep hole machining according to claim 1 is online detects and deviation correcting device, it is characterized in that described laser guide piece is cylindrical, the equal diameters of its diameter and spindle hole, be installed in spindle hole, between prism of corner cube bearing and laser beam emitting device, on laser guide piece, have two unthreaded holes excessively that be arranged in parallel, be respectively and cross unthreaded hole for No. one and cross unthreaded hole No. two.
3. rear-mounted deep hole machining according to claim 1 is online detects and deviation correcting device, it is characterized in that described deep hole tools is boring cutter or reamer or drill bit or honing head.
4. rear-mounted deep hole machining according to claim 1 is online detects and deviation correcting device, it is characterized in that described wear-resistant block is carbide alloy.
5. rear-mounted deep hole machining according to claim 1 is online detects and deviation correcting device, it is characterized in that described heater is resistance heater or electromagnetic heater or infrared heater.
6. rear-mounted deep hole machining according to claim 1 is online detects and deviation correcting device, it is characterized in that described iron block quantity is more than 3 or 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520902778.1U CN205254694U (en) | 2015-11-13 | 2015-11-13 | Rear -mounted BTA on -line measuring and deviation correcting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520902778.1U CN205254694U (en) | 2015-11-13 | 2015-11-13 | Rear -mounted BTA on -line measuring and deviation correcting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205254694U true CN205254694U (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520902778.1U Withdrawn - After Issue CN205254694U (en) | 2015-11-13 | 2015-11-13 | Rear -mounted BTA on -line measuring and deviation correcting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205254694U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382632A (en) * | 2015-11-13 | 2016-03-09 | 中北大学 | Online detection and correction device during rear-mounted deep hole machining |
| CN107116374A (en) * | 2017-05-11 | 2017-09-01 | 东北大学 | A kind of main shaft of numerical control machine tool handle of a knife and vibration measuring method with vibration measurement with laser function |
-
2015
- 2015-11-13 CN CN201520902778.1U patent/CN205254694U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105382632A (en) * | 2015-11-13 | 2016-03-09 | 中北大学 | Online detection and correction device during rear-mounted deep hole machining |
| CN105382632B (en) * | 2015-11-13 | 2018-03-23 | 中北大学 | Rear-mounted deep hole machining on-line checking and deviation correcting device |
| CN107116374A (en) * | 2017-05-11 | 2017-09-01 | 东北大学 | A kind of main shaft of numerical control machine tool handle of a knife and vibration measuring method with vibration measurement with laser function |
| CN107116374B (en) * | 2017-05-11 | 2018-12-21 | 东北大学 | A kind of main shaft of numerical control machine tool knife handle and vibration measuring method with vibration measurement with laser function |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160525 Effective date of abandoning: 20180323 |