CN208743752U - Modified form numerically controlled lathe suitable for depth drill - Google Patents
Modified form numerically controlled lathe suitable for depth drill Download PDFInfo
- Publication number
- CN208743752U CN208743752U CN201820647667.4U CN201820647667U CN208743752U CN 208743752 U CN208743752 U CN 208743752U CN 201820647667 U CN201820647667 U CN 201820647667U CN 208743752 U CN208743752 U CN 208743752U
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- China
- Prior art keywords
- main shaft
- depth drill
- fixed
- connecting shaft
- fixing sleeve
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- Expired - Fee Related
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- Drilling And Boring (AREA)
Abstract
The utility model discloses a kind of modified form numerically controlled lathes suitable for depth drill, it was set as tubular structure for the main shaft being arranged on headstock is originally penetrated through, and the shaft core position installation center discharging device of main shaft is corresponded at the rear portion of headstock, the device is fixed using outer cover with head of a bed box outer wall, water supply pipe joint is set on outer cover, and the upper fixed fixing sleeve of at least one of head of a bed box outer wall and outer cover, connecting shaft is assemblied in fixing sleeve by bearing rotary, connecting shaft front end is fixed with main shaft, and axle center hole is set in connecting shaft and is connected with water supply pipe joint, the shaft core position of main shaft sets central water outlet pipe, central water outlet hole of the pipe both ends respectively with the axle center hole of connecting shaft and front-end of spindle depth drill cutter is fixed；It further include tank for coolant and supply pump, water supply pipe joint is connected through water supplying pipe with the feed water inlet of tank for coolant.The main shaft of the lathe is conducive to depth drill operation using central water outlet mode, while can use again as center lathe, and more preferably, capacity utilization is higher for whole versatility.
Description
Technical field
The utility model relates to a kind of modified form numerically controlled lathes suitable for depth drill.
Background technique
Numerically controlled lathe is at present with relatively broad machining apparatus, and structure mainly includes lathe bed and is set on lathe bed
Headstock and driving motor, gear is equipped in headstock and is connected with main shaft, and driving motor passes through transmission mechanism and master
Gear in axis is connected, and lathe tool tooling and side discharging device are then arranged on the lathe bed of headstock front.
It is known on the market be mainly used for turner such as above-mentioned conventional numerically controlled lathe, certainly by being bound on its main shaft
Drilling tool, and lathe after tooling clamps workpiece is set on spindle front lathe bed and can also be used for drilling, but deep hole can not be carried out
It bores, reason is to lack the center water yielding device of main shaft, so even spindle front is mounted with depth drill cutter, chip removal mode
It is all the high request that can not bear depth drill with cutter loss rate.
Certainly, also there is the control specific machine dedicated for depth drill on the market, but belong to special equipment, depth can only be beaten
Hole cannot be used in reverse as lathe, and versatility is poor.In addition existing control specific machine is when beating deep hole, hole it is straight
Dimension is bad, is easy inclination, for deviation in 0.5mm or more, this is the defect of current this kind of control specific machine.
Summary of the invention
The utility model aim is: providing a kind of modified form numerically controlled lathe suitable for depth drill, which uses
Central water outlet mode is conducive to depth drill operation, while can use again as center lathe, and more preferably, equipment uses whole versatility
Rate is higher.
The technical solution of the utility model is: a kind of modified form numerically controlled lathe suitable for depth drill, including lathe bed and sets
In the gear that perforation is equipped with main shaft and is connected with main shaft in headstock and driving motor on lathe bed, headstock, driving electricity
Machine is connected by transmission mechanism with gear, and front-end of spindle stretches out headstock and connects depth drill cutter；It is characterized in that main shaft
For tubular structure, and the shaft core position that the rear portion of headstock corresponds to main shaft is equipped with center water yielding device, the device include outer cover,
Water supply pipe joint, fixing sleeve, connecting shaft and central water outlet pipe；Outer cover is fixed with head of a bed box outer wall, and outer cover connects equipped with water supplying pipe
Head, at least one of fixing sleeve and head of a bed box outer wall and outer cover are fixed, and connecting shaft is assemblied in fixing sleeve by bearing rotary,
The front end of connecting shaft is fixed with main shaft, and sets axle center hole in the connecting shaft, which is connected with water supply pipe joint, and center goes out
Water pipe is set to the shaft core position of main shaft, and one end is inserted into the axle center hole of connecting shaft and is fixed, and the other end is inserted into depth drill cutter
It is fixed in central water outlet hole；Further include tank for coolant and connection tank for coolant supply pump, water supply pipe joint through water supplying pipe with it is cold
But the feed water inlet of liquid case is connected.
Further, center water yielding device described in the utility model further includes end cap, which passes through screw and fixation
The rear end of set is fixed, and the center of end cap is equipped with threaded connection hole, and water supply pipe joint is equipped with external screw thread and matches with threaded connection hole
It closes and fixes, and end cap front end is integrally formed with the extension communicated with threaded connection hole, which protrudes into the axle center of connecting shaft
In hole.The cooperation of water supply pipe joint and end cap threaded connection hole can enhance leakproofness, prevent coolant liquid from oozing out.And extension
Design also can guarantee water supply pipe joint through stable connection between end cap and connecting shaft.
Further, center water yielding device described in the utility model further includes bearing press ring and sealing ring, the axis
Bearing ring is located in fixing sleeve together with bearing and is placed in connecting shaft, and fixing sleeve inner wall is integrally formed with a circle inner edge, should
Circle inner edge offsets through the bearing press ring with bearing, and the seal ring set is located in connecting shaft and passes through screw and fixing sleeve
Front end is fixed, and the bearing is clipped between bearing press ring and sealing ring.The introducing of bearing press ring and sealing ring can guarantee
For the strong fix of bearing, the leakproofness of connecting shaft and bearing clearance is also ensured.
Further, end cap seal circle is equipped between end cap described in the utility model and fixing sleeve aft bulkhead.
Further preferably, the inner ring of sealing ring described in the utility model is equipped with a circle caulking groove, is equipped with copper retaining ring, institute in caulking groove
It states sealing ring and is in contact through copper retaining ring with the outer wall of connecting shaft.The introducing of copper retaining ring both ensure that sealing ring and connecting shaft outer wall
Leakproofness, and sealing ring and connecting shaft friction can be replaced, improve sealing ring service life.
Further, it in the front end insertion main shaft of connecting shaft described in the utility model, and is radially hammered by several
Screw is fixed with main shaft wall, and several main shaft seal circles are equipped between connecting shaft outer wall and main shaft inner wall.
Further, the utility model medial bed is equipped with the workbench positioned at headstock front end, and workbench, which is equipped with, to be used
In being further fixed on feed guiding mechanism in the tooling of fixed workpiece, workbench, which includes bracket and is fixed on bracket simultaneously
With the feed guide sleeve of main shaft cooperation.The introducing of feed guide sleeve ensure that the straightness of main shaft and its front end depth drill cutter, effectively
Reduce deviation, improves borehole accuracy.
Further, it is additionally provided with connection on lathe bed described in the utility model and drives the lead screw of workbench anterior-posterior translation
Driving is secondary.Secondary lead screw driving is well-known technique, this is no longer described in detail in the utility model.
Further, lathe bed described in the utility model is equipped with the return flume being located at below main shaft, return flume warp
Pipeline is connected with the water return outlet that tank for coolant is equipped with.
Further, between outer cover and fixing sleeve described in the utility model be equipped with backwater cavity, enclosure wall be equipped with
The connected returning pipe joint of backwater cavity, the returning pipe joint are connected through return pipe with the water return outlet that tank for coolant is equipped with.Center
Discharging device inevitably seeps water due to each sealing ring aging or components matching part are worn after long-term use, backwater cavity
Design can will the coolant liquid of exudation collect after recycle, play the role of saving.
In actual use, as well-known technique, what is mainly filled in tank for coolant is the cold of depth drill to the utility model
Oily.(depth drill cutter is well-known technique to installation depth drill cutter, and the utility model is not after the front end of main shaft passes through feed guide sleeve
It is described in detail again), and pass through tooling (tooling is also well-known technique) fixed workpiece on workbench.Driving motor starting after drive main shaft and
Depth drill cutter starts bore operation, while supply pump is opened, by the cooling oil in tank for coolant through water supplying pipe and central water outlet
Device is delivered in the central water outlet pipe in main shaft, is then sprayed from depth drill cutter and is played work that is cooling and rinsing debris removal
With.Cooling oil is collected via the return flume on lathe bed, is flowed back in tank for coolant and is recycled finally by pipeline.
The utility model has the advantages that:
1. the utility model has its main shaft using central water outlet mode by improving to existing centre numerically controlled lathe
Conducive to depth drill operation, while can use again as center lathe, compared to dedicated deep hole drilling equipment, whole versatility more preferably, if
Standby utilization rate is higher.
2. the utility model guides supports main shaft by adding feed guide sleeve in further prioritization scheme, it is ensured that beat
The straightness of main shaft and depth drill cutter thereon is more preferable when deep hole, and deviation is smaller, and deviation is less than 0.5mm, compared to existing dedicated
Depth drill has better accuracy and stability.
3. the center water yielding device in the utility model uses special designing, between interior design connecting shaft and fixing sleeve
It is assembled, is hindered so that the device will not only be formed main axis, but also cooling fluid supply will not be caused to hinder by bearing rotary
Hinder, while being designed inside device by multi-sealed circle, has good leakproofness, will not seep water easily,
4. the center water yielding device in the utility model is after long-term use inevitably because of each sealing ring aging or zero
Component matching part wears and seeps water, and the design of backwater cavity recycles after capable of collecting the coolant liquid of exudation, plays section
Effect about.
5. the design of the utility model axis bearing ring and sealing ring introduces the strong fix that can guarantee for bearing,
Ensure the leakproofness of connecting shaft and bearing clearance.
Detailed description of the invention
The utility model is further described with reference to the accompanying drawings and embodiments:
Fig. 1 is a kind of structural front view of specific embodiment of the utility model；
Fig. 2 is the enlarged structure sectional view of the center water yielding device of Fig. 1.
Wherein: 1, lathe bed；2, headstock；3, main shaft；4, depth drill cutter；A, center water yielding device；5, outer cover；6, it supplies water
Pipe fitting；6a, external screw thread；7, fixing sleeve；7a, inner edge；8, connecting shaft；8a, axle center hole；9, bearing；10, tank for coolant；11, it supplies
Water pipe；12, end cap；12a, extension；13, bearing press ring；14, sealing ring；15, end cap seal circle；16, copper retaining ring；17, main
Simmer ring；18, workbench；19, bracket；20, feed guide sleeve；21, lead screw driving is secondary；22, backwater cavity；23, return pipe connects
Head；24, return pipe；25, workpiece；26, tooling；27, central water outlet pipe.
Specific embodiment
Embodiment: referring to figs. 1 and 2, to this modified form number suitable for depth drill provided by the utility model
The specific embodiment of control lathe is described as follows: it equally has lathe bed 1 and the head of a bed on lathe bed 1 with routine techniques
Case 2 and driving motor, the gear that the interior perforation of headstock 2 is equipped with main shaft 3 and is connected with main shaft 3, driving motor pass through transmission
Mechanism is connected with gear, and 3 front end of main shaft stretches out headstock 2 and connects depth drill cutter 4.The core of the utility model is improved
It is for main shaft 3 to be designed as tubular structure, and the shaft core position that the rear portion of headstock 2 corresponds to main shaft 3 is equipped with central water outlet dress
Set A.The device is the core apparatus of this case, and specific structure as shown in Figure 2, by outer cover 5, water supply pipe joint 6, fixing sleeve 7, connects
Spindle 8, central water outlet pipe 27, end cap 12, bearing press ring 13, sealing ring 14, end cap seal circle 15, copper retaining ring 16 and main shaft seal
Circle 17 is constituted.
Outer cover 5 is fixed with 2 outer wall of headstock by screw (not shown), and outer cover 5 is equipped with jack, is inserted into water supplying pipe in hole
Connector 6 is fixed.Fixing sleeve 7 is located at 5 inside of outer cover in the present embodiment, and there are two engaging lugs for 7 outer wall of fixing sleeve molding (in figure not
Draw), and fixed also by screw and 2 outer wall of headstock.Connecting shaft 8 is assemblied in fixing sleeve 7 by the rotation of bearing 9.Tool
As shown in Figure 2, the present embodiment middle (center) bearing 9 uses two to body, and the bearing press ring 13 is located in fixing sleeve 7 together with bearing 9
And be placed in connecting shaft 8,7 inner wall of fixing sleeve is integrally formed with a circle inner edge 7a, the circle inner edge 7a through the bearing press ring 13 with
Bearing 9 offsets, and the sealing ring 14 is set in connecting shaft 8 and is fixed by the front end of screw and fixing sleeve 7, described two
Bearing 9 is clipped between bearing press ring 13 and sealing ring 14.It is embedding that the inner ring of sealing ring 14 described in the present embodiment is equipped with a circle
Slot, caulking groove is interior to be equipped with copper retaining ring 16, and the sealing ring 14 is in contact through copper retaining ring 16 with the outer wall of connecting shaft 8.
Still as shown in Fig. 2, end cap 12 is fixed by the rear end of screw and fixing sleeve 7 in the present embodiment, in end cap 12
The heart is equipped with threaded connection hole, and water supply pipe joint 6 is equipped with external screw thread 6a and threaded connection hole cooperation is fixed, and before end cap 12
End is integrally formed with the extension 12a communicated with threaded connection hole, and extension 12a is protruded into the axle center hole 8a of connecting shaft 8.It is described
End cap seal circle 15 is equipped between 7 aft bulkhead of end cap 12 and fixing sleeve.
The front end of connecting shaft 8 and main shaft 3 are fixed in the present embodiment, and main shaft 3 is inserted into the front end of the specifically described connecting shaft 8
It is interior, and fixed by several screws radially hammered into 3 wall of main shaft, and be equipped between 3 inner wall of 8 outer wall of connecting shaft and main shaft
Several main shaft seal circles 17, specifically as shown in Figure 2.Axle center hole 8a is set in the connecting shaft 8, the axle center hole and 6 phase of water supply pipe joint
Even, central water outlet pipe 27 is set to the shaft core position of main shaft 3, and one end is inserted into fixed in the axle center hole 8a of connecting shaft 8, the other end
It is inserted into fixed in the central water outlet hole of depth drill cutter 4；
It is additionally provided with tank for coolant 10 in the present embodiment and connects the supply pump (omitting in figure) of tank for coolant 10, water supplying pipe
Connector 6 is connected through water supplying pipe 11 with the feed water inlet of tank for coolant 10.The lathe bed 1 is equipped with the return water for being located at 3 lower section of main shaft
Slot, (not shown) is connected the return flume with the water return outlet that tank for coolant 10 is equipped with by the road.
Backwater cavity 22 is equipped between outer cover 5 described in the present embodiment and fixing sleeve 7,5 wall of outer cover is equipped with and backwater cavity 22
Connected returning pipe joint 23, the returning pipe joint 23 are connected through return pipe 24 with the water return outlet that tank for coolant 10 is equipped with.
The present embodiment medial bed 1 is equipped with the workbench 18 positioned at 2 front end of headstock, and workbench 18 is equipped with for fixing
The tooling 26 of workpiece 25 is further fixed on feed guiding mechanism on workbench 18, which includes bracket 19 and be fixed on bracket 19
Feed guide sleeve 20 that is upper and cooperating with main shaft 3.And connection is additionally provided on the lathe bed 1 and drives the silk of 18 anterior-posterior translation of workbench
Thick stick driving pair 21.
In actual use, as well-known technique, what is mainly filled in tank for coolant 10 is depth drill to the utility model
Cooling oil.(depth drill cutter is well-known technique to installation depth drill cutter 4, this is practical after the front end of main shaft 3 passes through feed guide sleeve 20
It is novel to be no longer described in detail), and pass through the fixed workpiece 25 of tooling 26 on workbench 18.Main shaft 3 and deep hole are driven after driving motor starting
The tool of drill 4 starts bore operation, while supply pump is opened, by the cooling oil in tank for coolant 10 through water supplying pipe 11 and central water outlet
Device A is delivered in the central water outlet pipe 27 in main shaft 3, is then sprayed from depth drill cutter 4 and is played cooling and flushing debris removal
Effect.Cooling oil is collected via the return flume on lathe bed 1, is flowed back in tank for coolant 10 and is recycled finally by pipeline.
Certainly the above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with this
The people of technology can understand the content of the utility model and implement accordingly, and the protection model of the utility model can not be limited with this
It encloses.Any modifications made in accordance with the spirit of the main technical solutions of the utility model should all cover the guarantor in the utility model
Within the scope of shield.
Claims (10)
1. a kind of modified form numerically controlled lathe suitable for depth drill, including lathe bed (1) and the headstock (2) being set on lathe bed (1)
And driving motor, the gear that the interior perforation of headstock (2) is equipped with main shaft (3) and is connected with main shaft (3), driving motor pass through biography
Motivation structure is connected with gear, and headstock (2) connection depth drill cutter (4) is stretched out in main shaft (3) front end；It is characterized in that main shaft
It (3) is tubular structure, and the shaft core position that the rear portion of headstock (2) corresponds to main shaft (3) is equipped with center water yielding device (A), it should
Device includes outer cover (5), water supply pipe joint (6), fixing sleeve (7), connecting shaft (8) and central water outlet pipe (27)；Outer cover (5) and bed
Head case (2) outer wall is fixed, and outer cover (5) is equipped with water supply pipe joint (6), fixing sleeve (7) and headstock (2) outer wall and outer cover (5)
At least one of it is fixed, connecting shaft (8) is assemblied in fixing sleeve (7) by bearing (9) rotation, the front end of connecting shaft (8) with
Main shaft (3) is fixed, and sets axle center hole (8a) in the connecting shaft (8), which is connected with water supply pipe joint (6), and center goes out
Water pipe (27) is set to the shaft core position of main shaft (3), and one end is inserted into the axle center hole (8a) of connecting shaft (8) and is fixed, and the other end is inserted
Enter fixed in the central water outlet hole of depth drill cutter (4)；It further include tank for coolant (10) and the supply for connecting tank for coolant (10)
Pump, water supply pipe joint (6) are connected through water supplying pipe (11) with the feed water inlet of tank for coolant (10).
2. the modified form numerically controlled lathe according to claim 1 suitable for depth drill, it is characterised in that the central water outlet
Device further includes end cap (12), which is fixed by the rear end of screw and fixing sleeve (7), and the center of end cap (12) is equipped with
Threaded connection hole, and water supply pipe joint (6) is equipped with external screw thread (6a) and threaded connection hole cooperation is fixed, and before end cap (12)
End is integrally formed with the extension (12a) communicated with threaded connection hole, which protrudes into the axle center hole of connecting shaft (8)
In (8a).
3. the modified form numerically controlled lathe according to claim 2 suitable for depth drill, it is characterised in that the central water outlet
Device further includes bearing press ring (13) and sealing ring (14), and fixing sleeve is located in the bearing press ring (13) and bearing (9) together
(7) it in and is placed on connecting shaft (8), fixing sleeve (7) inner wall is integrally formed with a circle inner edge (7a), described in the warp of the circle inner edge (7a)
Bearing press ring (13) offsets with bearing (9), and the sealing ring (14) is set on connecting shaft (8) and passes through screw and fixing sleeve
(7) front end is fixed, and the bearing (9) is clipped between bearing press ring (13) and sealing ring (14).
4. the modified form numerically controlled lathe according to claim 2 suitable for depth drill, it is characterised in that the end cap (12)
End cap seal circle (15) are equipped between fixing sleeve (7) aft bulkhead.
5. the modified form numerically controlled lathe according to claim 3 suitable for depth drill, it is characterised in that the sealing ring
(14) inner ring is equipped with a circle caulking groove, is equipped with copper retaining ring (16) in caulking groove, the sealing ring (14) through copper retaining ring (16) with connect
The outer wall of axis (8) is in contact.
6. the modified form numerically controlled lathe according to claim 1 suitable for depth drill, it is characterised in that the connecting shaft (8)
Front end insertion main shaft (3) in, and fixed with main shaft (3) wall by several screws radially hammered into, and connecting shaft (8) outer wall
Several main shaft seal circles (17) are equipped between main shaft (3) inner wall.
7. the modified form numerically controlled lathe according to claim 1 suitable for depth drill, it is characterised in that lathe bed (1) is equipped with
Workbench (18) positioned at headstock (2) front end, workbench (18) are equipped with the tooling (26) for fixing workpiece (25), work
Platform is further fixed on feed guiding mechanism on (18), the mechanism include bracket (19) and be fixed on bracket (19) and with main shaft (3)
The feed guide sleeve (20) of cooperation.
8. the modified form numerically controlled lathe according to claim 7 suitable for depth drill, it is characterised in that on the lathe bed (1)
It is additionally provided with connection and the lead screw of workbench (18) anterior-posterior translation is driven to drive secondary (21).
9. the modified form numerically controlled lathe according to claim 1 suitable for depth drill, it is characterised in that on the lathe bed (1)
Equipped with the return flume being located at below main shaft (3), the water return outlet which is equipped with tank for coolant (10) by the road is connected.
10. being suitable for the modified form numerically controlled lathe of depth drill according to claim 1 or described in 9, it is characterised in that the outer cover
(5) backwater cavity (22) are equipped between fixing sleeve (7), outer cover (5) wall is equipped with the returning pipe joint being connected with backwater cavity (22)
(23), which is connected through return pipe (24) with the water return outlet that tank for coolant (10) is equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820647667.4U CN208743752U (en) | 2018-05-03 | 2018-05-03 | Modified form numerically controlled lathe suitable for depth drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820647667.4U CN208743752U (en) | 2018-05-03 | 2018-05-03 | Modified form numerically controlled lathe suitable for depth drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208743752U true CN208743752U (en) | 2019-04-16 |
Family
ID=66052277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820647667.4U Expired - Fee Related CN208743752U (en) | 2018-05-03 | 2018-05-03 | Modified form numerically controlled lathe suitable for depth drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208743752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036957A (en) * | 2019-12-30 | 2020-04-21 | 重庆市巴山液压附件厂有限公司 | Double-transmission part hole processing machine |
| CN114952408A (en) * | 2022-05-09 | 2022-08-30 | 容德精机（江苏）机床有限公司 | Environment-friendly metal forming machine tool equipment with automatic lubricating function |
-
2018
- 2018-05-03 CN CN201820647667.4U patent/CN208743752U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111036957A (en) * | 2019-12-30 | 2020-04-21 | 重庆市巴山液压附件厂有限公司 | Double-transmission part hole processing machine |
| CN111036957B (en) * | 2019-12-30 | 2021-08-06 | 重庆市巴山液压附件厂有限公司 | Double-transmission part hole processing machine |
| CN114952408A (en) * | 2022-05-09 | 2022-08-30 | 容德精机（江苏）机床有限公司 | Environment-friendly metal forming machine tool equipment with automatic lubricating function |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190416 Termination date: 20200503 |