CN204122794U - Boring machine large diameter, deep borehole drilling system and boring machine - Google Patents
Boring machine large diameter, deep borehole drilling system and boring machine Download PDFInfo
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- CN204122794U CN204122794U CN201420580102.0U CN201420580102U CN204122794U CN 204122794 U CN204122794 U CN 204122794U CN 201420580102 U CN201420580102 U CN 201420580102U CN 204122794 U CN204122794 U CN 204122794U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
Boring machine large diameter, deep borehole drilling system, comprises BTA drill unit and filters cooling device; BTA drill unit comprises BTA drilling rod, the BTA drill bit be connected with BTA drilling rod front end and the fairlead be set on BTA drill bit; Rotary connector comprises housing and the connecting axle that inside has cavity; Housing is arranged at the ram of boring machine, housing has the scavenge port running through its chamber wall, and its relative chamber wall has respectively and installs through hole; Connecting bushing is loaded on two and installs in through hole and can rotate around own axes, the front end face of connecting axle has cavity, cavity has and runs through its sidewall and the opening of cavity connects with housing, the front end of connecting axle is fixedly connected with BTA drilling rod rear end and the cavity of connecting axle is communicated with the hollow cavity of BTA drilling rod, and the rear end of connecting axle is fixedly connected with the front-end of spindle of boring machine; Filter the input port that cooling device has delivery outlet and is communicated with scavenge port.Its machining accuracy and efficiency is high, chip removal is good.Also disclose a kind of boring machine.
Description
Technical field
The utility model belongs to metal cutting process field, is specifically related to a kind of boring machine large diameter, deep borehole drilling system and boring machine.
Background technology
Large diameter, deep borehole on existing revolving body workpieces (large diameter, deep borehole generally refers to that aperture is more than or equal to 50mm, the degree of depth and the ratio in aperture be at least greater than 3 hole) when processing on deep hole drilling machine, that revolving body work rotates, gun drilling device (drill bit, drilling rod, the cooling chip removal system) non rotating of drilling machine, the pipeline of the cooling chip removal system be attached thereto there will not be " winding " phenomenon.For large diameter, deep borehole (High-precision Deep Hole as the Ф 120 × 2550mm of 20 in the 125MN frame of hot die forging press) processing on non-revolved body workpiece, now generally to process on large-scale borer, boring machine adds man-hour, just contrary when deep hole drilling machine is processed with the large diameter, deep borehole of above-mentioned revolving body, it is non-revolving body workpieces non rotating, and the gun drilling device of boring machine does axial feed motion and rotate main motion simultaneously, if directly adopt the gun drilling device of above-mentioned deep hole drilling machine, cooling pipeline " winding " boring spindle of chip removal system or the phenomenon of drilling rod will inevitably be there is, therefore on large-scale borer, generally adopt chit drill sheet or spreading fluted drill two kinds of processing modes to process the large diameter, deep borehole on non-revolved body workpiece at present.But, because chit drill sheet and fluted drill are without positioning supports, add workpiece non rotating, linearity and the aperture precision of the large diameter, deep borehole processed are poor, subsequent treatment operation numerous and diverse (as boring, expansion, hinge), in addition above-mentioned two kinds of processing mode cutter for same materials are high-speed steel, and cutting speed is low, seriously constrains deep hole machining efficiency.Therefore, the large diameter, deep borehole on non-revolved body is processed into the difficult problem in metal cutting process field, for this reason, expects to seek a kind of technical scheme, at least to alleviate problem mentioned above.
Summary of the invention
On the one hand, the technical problems to be solved in the utility model is: provide a kind of machining accuracy and efficiency is high, chip removal is good boring machine large diameter, deep borehole drilling system.
On the other hand, the technical problems to be solved in the utility model is: provide a kind of boring machine, when it is for processing large diameter, deep borehole, machining accuracy and efficiency high, chip removal is good.
With regard to boring machine large diameter, deep borehole drilling system of the present utility model, in order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of boring machine large diameter, deep borehole drilling system, comprises BTA drill unit and filters cooling device; Described BTA drill unit comprises BTA drilling rod, the BTA drill bit be connected with described BTA drilling rod front end and the fairlead be set on described BTA drill bit, have the annular gap flowed for cutting fluid between the outer wall of the inwall of this fairlead and this BTA drill bit, the rear end of this annular gap and the outer surfaces of described BTA drilling rod are sealed and matched; Described BTA drill unit also comprises rotary connector; Described rotary connector comprises housing and the connecting axle that inside has cavity; Described housing is arranged on the ram of described boring machine, this housing has the scavenge port running through its chamber wall, its relative chamber wall has respectively and installs through hole; Described connecting bushing is loaded on described two and installs in through hole and can rotate around own axes, the front end face of this connecting axle has cavity, this cavity has and runs through its sidewall and the opening of cavity connects with described housing, the front end of this connecting axle is fixedly connected with described BTA drilling rod rear end and the cavity of this connecting axle is communicated with the hollow cavity of this BTA drilling rod, and the rear end of this connecting axle is fixedly connected with the front-end of spindle of described boring machine; Described filtration cooling device has the delivery outlet be communicated with described annular gap and the input port be communicated with described scavenge port.
Described boring machine is provided with bracing or strutting arrangement, and this bracing or strutting arrangement is provided with support set, and described fairlead is set in this support set.
Described bracing or strutting arrangement is support.
Described connecting axle and described installing between through-hole wall are sealed and matched.
The described two aperture peristomas installing through hole have the installation portion of indent respectively, and be separately installed with bearing in this two installation portion, described connecting axle installs and is fixed in the inner ring of this two bearings.
Described filtration cooling device comprises filter, cooler and circulating pump; Described filter comprises the coarse filtration case, magnetic secondary filter case and the inlet box that are communicated with in turn, and described input port is arranged on described coarse filtration case, is provided with cleaning window in described inlet box; The refrigerator that described cooler comprises main fuel tank, oil pump and cools the cutting fluid in main fuel tank, the import of described oil pump is communicated with main fuel tank, and this oily delivery side of pump is as described delivery outlet; In described inlet box, cutting fluid is after filtering by main fuel tank described in described circulating pump suction.
Liquid level gauge is provided with in described inlet box and/or main fuel tank.
The liquid level sensor be connected with described circulating pump is provided with in described inlet box.
Described oil pump is vane pump.
With regard to boring machine of the present utility model, in order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of boring machine, comprises the boring machine large diameter, deep borehole drilling system of said structure.
Advantageous Effects of the present utility model is:
(1) BTA drill unit of the present utility model exports enough moments of torsion to connecting axle by boring spindle, the rotary power of connecting axle passes to BTA drilling rod, and then drive the BTA bit be connected with this BTA drilling rod front end, due to the ram that the housing of rotary connector is arranged at boring machine can move along the axial reciprocating of boring machine and can not rotate with the rotation of connecting axle with ram, namely boring spindle feeding realizes tool feeding, like this, the problem of pipeline " winding " boring spindle or BTA drilling rod boring machine filtering cooling device is overcome, add man-hour, the cutting fluid with certain pressure enters at the bottom of the hole of bored large diameter, deep borehole after being injected into the annular gap between the inwall of fairlead and the outer wall of this BTA drill bit, the chip that BTA drill edge is formed and various impurity are oppositely pressed into the crumb mouth of BTA drill bit by the cutting fluid with certain pressure, cooling is completed after the cutting fluid being mixed with chip and various impurity flows through the hollow cavity of BTA drilling rod, after a series of activities such as flushing, being entered by the input port of filtering cooling device filters in cooling device, through multiple times of filtration, precipitation, oil suction process, cutting fluid after frozen cooling after filtration cooling device re-injects the annular gap between the inwall of fairlead and the outer wall of this BTA drill bit after pressurizeing, thus realize cutting fluid and recycle.As can be seen here, the utility model had both solved the problem of pipeline " winding " boring spindle or BTA drilling rod boring machine filtering cooling device, solve again cooling fluid recovery, chip removal problem and leakage problem, just make boring machine to be applied BTA system and become possibility, for the machining accuracy such as linearity, aperture improving large diameter, deep borehole is laid a good foundation.
(2) the utility model adopts BTA drill unit, takes interior chip removal method, and do not need midway frequently to move back bits, improve working (machining) efficiency, working (machining) efficiency is 5 ~ 7 times of traditional chit drill sheet processing mode.
(3) fairlead of the present utility model, ensure that cutter is concentric with boring spindle, improves linearity and the aperture precision of processed large diameter, deep borehole.
(4) the utility model easy installation and removal, only need can complete for about 30 minutes, former boring machine structure and function is not affected after dismounting, after the setting of its main body, as long as change a few components such as the BTA drill bit of corresponding processing diameter, BTA drilling rod and fairlead just can process Φ 50 ~ Φ 120mm(or even Φ 130mm) deep hole of internal diameter.
The boring machine that the utility model comprises the boring machine large diameter, deep borehole drilling system of said structure also has above-mentioned advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of the BTA drill unit of the utility model boring machine large diameter, deep borehole drilling system;
Fig. 2 is the sectional view of the rotary connector of the utility model boring machine large diameter, deep borehole drilling system;
Fig. 3 is along Fig. 2 A-A to sectional view;
Fig. 4 is the sectional view of the housing of the rotary connector of the utility model boring machine large diameter, deep borehole drilling system;
Fig. 5 is the system diagram of the filtration cooling device of the utility model boring machine large diameter, deep borehole drilling system.
Detailed description of the invention
For can technical characteristic of the present utility model and effect be described in detail, and can realize according to the content of this description, below in conjunction with accompanying drawing, embodiment of the present utility model be further illustrated.
Fig. 1 shows a kind of boring machine large diameter, deep borehole drilling system of the present utility model, comprises the flow direction of cutting fluid that BTA drill unit 10 and the arrow filtered in cooling device 20, Fig. 1 represent cutting fluid or be mixed with chip and various impurity.BTA drill unit 10 comprises BTA drilling rod 15, the BTA drill bit 12 be connected with BTA drilling rod 15 front end, is set in fairlead 11 on BTA drill bit 12 and rotary connector 16.There is between the inwall of fairlead 11 and the outer wall of BTA drill bit 12 annular gap 112 flowed for cutting fluid, sealing ring 18 is provided with between the rear end inwall of this annular gap 112 and the outer surfaces of BTA drilling rod 15, to make to realize between them being sealed and matched, reaching liquid sealing coordinates better, better to keep the pressure of cutting fluid in it.Fairlead 11 is arranged on bracing or strutting arrangement 14, and fairlead 11 has and runs through its sidewall and the inlet 111 be communicated with annular gap 112.In the lump see Fig. 2 to Fig. 4, rotary connector 16 comprises housing 161 and the connecting axle 162 that inside has cavity 1611.Housing 161 is arranged on the ram 17 of boring machine by support 164, housing 161 has the scavenge port 1612 running through its chamber wall, the chamber wall that housing 161 is relative has respectively and installs through hole 1613, and these two install through hole 1613 and arrange better symmetrically.Connecting axle 162 is set in two and installs in through hole 1613 and can rotate around own axes, the front end face of connecting axle 162 has cavity 1621, this cavity 1621 has and runs through its sidewall and the opening 1622 be communicated with the cavity 1611 of housing 161, the opening inwall of the cavity 1621 of this connecting axle 162 is inner conical surface 1623, and this inner conical surface 1623 forms round table-like internal taper hole.BTA drilling rod 15 rear end has the taper shank carrying out seam with the internal taper hole of connecting axle 162 and coordinate, fixing in the internal taper hole that the taper shank fixed cover of BTA drilling rod 15 rear end is loaded on connecting axle 162, thus the front end of connecting axle 162 and BTA drilling rod 15 rear end are fixed together, and be connected with the cavity 1621 of connecting axle 162 by the hollow cavity of BTA drilling rod 15, then by the opening 1622 of this cavity 1621, the hollow cavity of BTA drilling rod 15 is connected with the cavity 1611 of housing 161.The rear end of connecting axle 162 has the taper shank 1624 matched with the internal taper hole of main shaft 30 front end of boring machine, position in the internal taper hole that taper shank 1624 is set in main shaft 30 front end, and be strained and fixed with blind rivet, thus the front-end of spindle of the rear end and boring machine that realize connecting axle 162 is fixedly connected with.See Fig. 1 and Fig. 5, wherein, the arrow in Fig. 5 represents cutting fluid or is mixed with the flow direction of cutting fluid of chip and various impurity, filters cooling device 20 and comprises filter 21, cooler 22 and circulating pump 23.Filter 21 comprises the coarse filtration case 212, magnetic secondary filter case 214 and the inlet box 215 that are communicated with in turn, wherein be communicated with by oil groove 213 between coarse filtration case 212, magnetic secondary filter case 214, coarse filtration case 212 is provided with the input port 211 be communicated with the scavenge port 1612 of rotary connector 16 housing 161, the liquid level sensor 218 being provided with cleaning window 216, liquid level gauge 217 in inlet box 215 and being electrically connected with the controller of circulating pump 23.The refrigerator 222 that cooler 22 comprises main fuel tank 221, oil pump 223 and cools the cutting fluid in main fuel tank 221.Oil pump 223 is vane pump, pressurize for giving the cutting fluid exported, the import of oil pump 223 is communicated with main fuel tank 221, the import department of oil pump 223 is provided with oil absorption filter 226, the outlet of this oil pump 223 is as the delivery outlet 225 be communicated with the inlet 111 of fairlead 11, so that the cutting fluid of pressurizeing through oil pump 223 can be injected in annular gap 112 by inlet 111, in main fuel tank 221, be provided with liquid level gauge 224.In inlet box 215, cutting fluid is after filtering by circulating pump 23 suction main fuel tank 221, and the import of circulating pump 23 is provided with oil absorption filter 219.
Participate in Fig. 1 and Fig. 2, boring machine is provided with bracing or strutting arrangement 14, bracing or strutting arrangement 14 is support or bearing, bracing or strutting arrangement 14 is provided with support set 13, fairlead 11 is set in this support set 13, by support set 13, bracing or strutting arrangement 14 for supporting drilling tool, and ensures that fairlead 11 is consistent with main shaft 30 center of boring machine, thus improve linearity and the aperture precision of the large diameter, deep borehole processed; Meanwhile, be convenient to the coordinate position adding quick determining hole center in man-hour, working (machining) efficiency can be improved further.When the degree of depth of large diameter, deep borehole is greater than the stroke of boring spindle 30, large diameter, deep borehole needs step driling, and meeting under rigidity prerequisite, BTA drilling rod 15 classification is selected, and devises elongated window in bracing or strutting arrangement 14 both sides, is convenient to handling BTA drilling rod 15.
Participate in Fig. 2 and Fig. 4, in order to ensure the circulating pressure of cutting fluid in BTA drill unit 10, with smooth chip removal, and prevent cutting fluid in rotary connector 16 to outward leakage, installing between through hole 1613 inwall on the connecting axle 162 of rotary connector 16 and housing 161 is sealed and matched, reaching liquid sealing coordinates better, such as, can arrange the hermetically-sealed constructions such as sealing ring between which and realize.
Participate in Fig. 2 and Fig. 4, on housing 161 the two aperture peristomas installing through hole 1613 have the installation portion 1614 of indent respectively, are separately installed with bearing 163 in this two installation portion 1614, connecting axle 162 install be fixed on this two bearings 163 inner ring in.
The utility model also describes a kind of boring machine, comprises the boring machine large diameter, deep borehole drilling system of said structure.
It should be noted that, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any applicable mode.In order to avoid unnecessary repetition, the utility model is no longer described various possible combination.
Being described in detail the utility model above with reference to embodiment, is illustrative and not restrictive, in the change do not departed under the utility model general plotting and amendment, all within protection domain of the present utility model.
Claims (10)
1. a boring machine large diameter, deep borehole drilling system, comprises BTA drill unit and filters cooling device; Described BTA drill unit comprises BTA drilling rod, the BTA drill bit be connected with described BTA drilling rod front end and the fairlead be set on described BTA drill bit, have the annular gap flowed for cutting fluid between the outer wall of the inwall of this fairlead and this BTA drill bit, the rear end of this annular gap and the outer surfaces of described BTA drilling rod are sealed and matched; It is characterized in that, described BTA drill unit also comprises rotary connector; Described rotary connector comprises housing and the connecting axle that inside has cavity; Described housing is arranged on the ram of described boring machine, this housing has the scavenge port running through its chamber wall, its relative chamber wall has respectively and installs through hole; Described connecting bushing is loaded on described two and installs in through hole and can rotate around own axes, the front end face of this connecting axle has cavity, this cavity has and runs through its sidewall and the opening of cavity connects with described housing, the front end of this connecting axle is fixedly connected with described BTA drilling rod rear end and the cavity of this connecting axle is communicated with the hollow cavity of this BTA drilling rod, and the rear end of this connecting axle is fixedly connected with the front-end of spindle of described boring machine; Described filtration cooling device has the delivery outlet be communicated with described annular gap and the input port be communicated with described scavenge port.
2. boring machine large diameter, deep borehole drilling system according to claim 1, is characterized in that, described boring machine is provided with bracing or strutting arrangement, and this bracing or strutting arrangement is provided with support set, and described fairlead is set in this support set.
3. boring machine large diameter, deep borehole drilling system according to claim 2, is characterized in that, described bracing or strutting arrangement is support.
4. boring machine large diameter, deep borehole drilling system according to claim 1, is characterized in that, described connecting axle and described installing between through-hole wall are sealed and matched.
5. boring machine large diameter, deep borehole drilling system according to claim 1, it is characterized in that, the described two aperture peristomas installing through hole have the installation portion of indent respectively, and be separately installed with bearing in this two installation portion, described connecting axle installs and is fixed in the inner ring of this two bearings.
6. the large diameter, deep borehole drilling system of the boring machine according to any one of claim 1 to 5, is characterized in that, described filtration cooling device comprises filter, cooler and circulating pump; Described filter comprises the coarse filtration case, magnetic secondary filter case and the inlet box that are communicated with in turn, and described input port is arranged on described coarse filtration case, is provided with cleaning window in described inlet box; The refrigerator that described cooler comprises main fuel tank, oil pump and cools the cutting fluid in main fuel tank, the import of described oil pump is communicated with main fuel tank, and this oily delivery side of pump is as described delivery outlet; In described inlet box, cutting fluid is after filtering by main fuel tank described in described circulating pump suction.
7. boring machine large diameter, deep borehole drilling system according to claim 6, is characterized in that, be provided with liquid level gauge in described inlet box and/or main fuel tank.
8. boring machine large diameter, deep borehole drilling system according to claim 6, is characterized in that, is provided with the liquid level sensor be connected with described circulating pump in described inlet box.
9. boring machine large diameter, deep borehole drilling system according to claim 6, is characterized in that, described oil pump is vane pump.
10. a boring machine, is characterized in that, comprises the boring machine large diameter, deep borehole drilling system described in any one of the claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420580102.0U CN204122794U (en) | 2014-10-09 | 2014-10-09 | Boring machine large diameter, deep borehole drilling system and boring machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201420580102.0U CN204122794U (en) | 2014-10-09 | 2014-10-09 | Boring machine large diameter, deep borehole drilling system and boring machine |
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| CN204122794U true CN204122794U (en) | 2015-01-28 |
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| CN201420580102.0U Active CN204122794U (en) | 2014-10-09 | 2014-10-09 | Boring machine large diameter, deep borehole drilling system and boring machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907602A (en) * | 2015-05-25 | 2015-09-16 | 山东金辰机械股份有限公司 | Heavy type specially-shaped part high-accuracy deep hole machining device and method |
| CN105014471A (en) * | 2015-07-16 | 2015-11-04 | 佛山市普拉迪数控科技有限公司 | Machine tool machining center with rear chip remover |
| CN105058154A (en) * | 2015-07-16 | 2015-11-18 | 佛山市普拉迪数控科技有限公司 | Chip receiving water tank |
| CN105710413A (en) * | 2016-01-18 | 2016-06-29 | 哈尔滨理工大学 | Air suction type self-cuttings-discharge system for (CFRP) carbon fiber-reinforced plastics machining |
-
2014
- 2014-10-09 CN CN201420580102.0U patent/CN204122794U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104907602A (en) * | 2015-05-25 | 2015-09-16 | 山东金辰机械股份有限公司 | Heavy type specially-shaped part high-accuracy deep hole machining device and method |
| CN105014471A (en) * | 2015-07-16 | 2015-11-04 | 佛山市普拉迪数控科技有限公司 | Machine tool machining center with rear chip remover |
| CN105058154A (en) * | 2015-07-16 | 2015-11-18 | 佛山市普拉迪数控科技有限公司 | Chip receiving water tank |
| CN105710413A (en) * | 2016-01-18 | 2016-06-29 | 哈尔滨理工大学 | Air suction type self-cuttings-discharge system for (CFRP) carbon fiber-reinforced plastics machining |
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