CN204036103U - A kind of drilling machine unloads knife system - Google Patents
A kind of drilling machine unloads knife system Download PDFInfo
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- CN204036103U CN204036103U CN201420411762.6U CN201420411762U CN204036103U CN 204036103 U CN204036103 U CN 204036103U CN 201420411762 U CN201420411762 U CN 201420411762U CN 204036103 U CN204036103 U CN 204036103U
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Abstract
The utility model provides a kind of drilling machine and unloads knife system, belongs to field of mechanical technique.It solve existing drilling machine to unload cutter and waste time and energy and easily damage the problems such as cutter.This drilling machine unloads knife system, drilling machine comprises main spindle box and feeding handle, main shaft is provided with in main spindle box, axis along main shaft in main shaft has the installing hole run through, main shaft is connected with the power transmission shaft of axial restraint, and one end of power transmission shaft is located in the installing hole of main shaft, unload knife system and comprise the sleeve that position limiting structure and spindle jacket have, axis along sleeve on the lateral wall of sleeve has spur rack, spur rack is connected with feeding handle, main shaft moves up and down with sleeve, and position limiting structure is positioned at the top of sleeve and can moves on the mobile route of sleeve.This drilling machine unloads knife system and has that to unload cutter laborsaving and can not damage the advantages such as cutter.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to one and unloads knife system, particularly the lathe such as a kind of drilling machine, tapping machine unload knife system.
Background technology
Drilling machine refers to the lathe mainly using drill bit machining hole on workpiece.Usual bit is main motion, and drill bit moves axially as feed motion.The feature of drilling machine is that workpiece maintains static, and cutter rotates, and along major axes orientation feeding, operation can be manual, also can be motor-driven.
Existing drilling machine, such as Chinese patent literature data discloses bench drill [application number: 201210219151.7; Authorization Notice No.: CN 103506646 A], it comprises base, the Upright post base be carried on base, the column be carried on Upright post base, be installed on column and the workbench moved up and down along column, the main spindle box being installed on column top, motor, be installed on the cutter of main spindle box lower end, is positioned at the electromagnetic switch on main spindle box front surface and motor change-over switch.
The drilling machine of this kind of structure, Cutting tool installation manner is in chuck, and the taper shank of cutter is fixed in the Morse taper hole of main shaft, when needing to change cutter, uses iron hammer to knock and unloads cutter iron and unload cutter, the taper shank of cutter is departed from main shaft by knocking, thus reaches the object of unloading cutter.Use this kind of method to unload cutter, waste time and energy when knocking, and easily damage chuck, main shaft and cutter.
Other lathe such as tapping machine etc., being rotated the lathe of processing, also there is similar problem when unloading cutter by main shaft carry its tools.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, provides a kind of drilling machine and unloads knife system, and it is laborsaving how solution makes the similar lathes such as existing drilling machine unload cutter, and the problem that cutter etc. can not damage.
The purpose of this utility model realizes by following technical proposal: a kind of drilling machine unloads knife system, drilling machine comprises main spindle box and feeding handle, main shaft is provided with in described main spindle box, it is characterized in that, axis along main shaft in described main shaft has the installing hole run through, described main shaft is connected with the power transmission shaft of axial restraint, and one end of power transmission shaft is located in the installing hole of main shaft, the described knife system that unloads comprises the sleeve that position limiting structure and spindle jacket have, axis along sleeve on the lateral wall of described sleeve has spur rack, described spur rack is connected with feeding handle, described main shaft moves up and down with sleeve, described position limiting structure is positioned at the top of sleeve and can moves on the mobile route of sleeve.
The bottom of spindle mounting hole is a taper hole, and top is connected with power transmission shaft circumference, and cutter is connected in taper hole, during work, position limiting structure be positioned at sleeve top and on the mobile route of sleeve, when position limiting structure encountered by sleeve, peak when now sleeve is in normal process; When cutter changed by needs, control position limiting structure, position limiting structure is made to leave the mobile route of sleeve, by swivel feeding handle, sleeve is moved up, position limiting structure is crossed at the top of sleeve, main shaft moves with on sleeve, now the afterbody of cutter impinges upon the top of power transmission shaft, and cutter comes off automatically from the installing hole of main shaft, reaches the object of unloading cutter.Use the lever principle between feeding handle and sleeve, unloading cutter only needs less strength to complete, time saving and energy saving, and can not cutter, main shaft etc. be damaged, unload after cutter completes, swivel feeding handle makes sleeve move down, control position limiting structure, make position limiting structure re-move sleeve top and on the mobile route of sleeve.
Unload in knife system at above-mentioned a kind of drilling machine, described position limiting structure comprises spacer pin and limit base, described main spindle box has spacing hole, described limit base is fixed in spacing hole, described limit base has through hole, described spacer pin comprises limiting section, sliding part and location division, described sliding position in spacing hole and the madial wall of the lateral wall of sliding part and spacing hole fit, described location division passes through hole and location division and limit base circumference are connected, when there is gap between described sliding part and limit base, described limiting section be positioned at sleeve top and on the mobile route of sleeve.Location division and limit base circumference are connected and spacer pin can not be rotated, good stability; The lateral wall of sliding part and the madial wall of spacing hole fit, even if sleeve moves collision spacer pin, spacer pin also can not rock, good stability; Sliding part and limiting section along the length sum of spacing hole axis than limit base madial wall and sleeve lateral wall along the few 0-2mm of the length sum of spacing hole axis, as long as namely promote spacer pin a little, on the mobile route that limiting section just can be made to be positioned at above sleeve, spacing effect is played to sleeve, compact conformation.
Unload in knife system at above-mentioned a kind of drilling machine, the diameter of described limiting section is less than the diameter of sliding part, and described limiting section minimum point is vertically positioned at the top of sliding part minimum point.Promote spacer pin, when sliding part encounters the lateral wall of sleeve, spacer pin just can not move to sleeve again, this kind of structure, along moving axially of spacing hole, spacing effect is played to spacer pin, prevent limiting section from encountering normal rotation that power transmission shaft has influence on drilling machine, design ingenious.
Unload in knife system at above-mentioned a kind of drilling machine, the bottom of described limiting section is a horizontal plane.The upper surface of sleeve is a smooth plane, and the bottom of limiting section is a horizontal plane, and two faces are couplings mutually, and the contact in face and face increases the contact area of limiting section and sleeve, good stability.
Unload in knife system at above-mentioned a kind of drilling machine, described location division has locating slot, be provided with locating piece in described locating slot, have sliding tray in described limit base, described locating piece to be embedded in sliding tray and can to slide along sliding tray.Locating piece is flat key, and use flat key that spacer pin and limit base circumference are connected, structure is simple, reasonable in design.
Unload in knife system at above-mentioned a kind of drilling machine, described location division passes outside through hole and is fixed with handle.Handle is used to advance or pull-out spacer pin, convenient and simple for operation, make dress cutter, unload the convenient of cutter change.
Unload in knife system at above-mentioned a kind of drilling machine, described limit base is fixed by screws on main spindle box.Limit base is positioned at the port of spacing hole outer end, and use screw to be fixed on main spindle box by limit base, structure is simple, and firmness is high.
As another kind of situation, unload in knife system at above-mentioned a kind of drilling machine, described position limiting structure comprises bolt, and described main spindle box has internal thread hole, described bolt thread is connected in internal thread hole, and the inner of bolt be positioned at sleeve top and on the mobile route of sleeve.Be threaded connection, make to be bolted in main spindle box, the inner of bolt is positioned at the top of sleeve and on the mobile route of sleeve, when unloading cutter, bolt screws out by use instrument, makes the inner of bolt leave the shift position of sleeve.
Unload in knife system at above-mentioned a kind of drilling machine, described feeding handle is connected with the spur rack on sleeve lateral wall by gear shaft.Gears meshing transmits, and transmission accuracy is high.
Unload in knife system at above-mentioned a kind of drilling machine, described power transmission shaft is splined shaft.Splined shaft is inserted in the installing hole of main shaft, and the rotational of splined shaft drives main axis, and main shaft can move up and down along splined shaft, and splined shaft axial restraint, convenient lower cutter.
Compared with prior art, the drilling machine that the utility model provides unloads knife system and has the following advantages:
1, this drilling machine unloads knife system when unloading cutter, by mobile position limiting structure, rotates feeding handle, make sleeve moves, the top in the vertical direction of sleeve crosses position limiting structure, cutter with sleeve moves one end distance after, the afterbody of cutter withstands on the top of splined shaft, and splined shaft is axial restraint, thus cutter is ejected from main shaft, reaches the object of unloading cutter, time saving and energy saving, reduce working strength, increase work efficiency, and can not cutter etc. be damaged.
2, this drilling machine unloads the location division of knife system position limiting structure and limit base circumference is connected, the lateral wall of sliding part and the madial wall of spacing hole fit, the bottom of limiting section is that the top end face of a horizontal plane and sleeve matches, spacer pin good stability, position limiting structure good limit effect.
3, this drilling machine unloads knife system and manually holds handle, advances handle to realize spacer pin spacing, and pull-out handle realizes unloading cutter, easy to operate.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram that this drilling machine unloads the embodiment one of knife system.
Fig. 2 is the syndeton schematic diagram that this drilling machine unloads knife system feeding handle and sleeve.
Fig. 3 is the enlarged drawing that this drilling machine unloads knife system Figure 1A region.
Fig. 4 is the position limiting structure schematic diagram that this drilling machine unloads knife system embodiment two.
In figure, 1, main spindle box; 2, feeding handle; 3, main shaft; 4, power transmission shaft; 5, sleeve; 6, spur rack; 7, spacer pin; 7a, limiting section; 7b, sliding part; 7c, location division; 7c1, locating slot; 8, limit base; 8a, sliding tray; 9, locating piece; 10, handle; 11, screw; 12, bolt; 13, gear shaft.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As shown in Figure 1 and Figure 2, lathe comprises main spindle box 1, feeding handle 2 and gear shaft 13, unloads knife system and comprises sleeve 5 and position limiting structure.
Main shaft 3 is provided with in main spindle box 1, axis along main shaft 3 in main shaft 3 has the installing hole run through, main shaft 3 is connected with the power transmission shaft 4 of axial restraint, in the present embodiment, power transmission shaft 4 is splined shafts, be connected with main shaft 3 is circumferential in the installing hole that one end of splined shaft is located in main shaft 3, the other end of splined shaft is connected with motor, and namely the rotation of splined shaft can drive main shaft 3 to rotate.Main shaft 3 is arranged in sleeve 5, and is provided with bearing and bearing cap between main shaft 3 and sleeve 5, and main shaft 3 moves up and down with sleeve 5.The lateral wall of sleeve 5 has spur rack 6 along the axis of sleeve 5, and feeding handle 2 is arranged on main spindle box 1, and feeding handle 2 is meshed with spur rack 6 by gear shaft 13, namely rotates feeding handle 2, is with moving sleeve 5 moves or moves down by gear shaft 13.
As shown in Figure 1, Figure 3, position limiting structure comprises spacer pin 7, limit base 8 and handle 10, main spindle box 1 has spacing hole, limit base 8 is tightly fixed in spacing hole, and be positioned at the port of spacing hole outer end, limit base 8 is fixed on main spindle box 1 by screw 11 again, and the center of limit base 8 has along the axis of limit base 8 through hole run through, and the sidewall of through hole has sliding tray 8a along the axis of limit base 8.Spacer pin 7 comprises limiting section 7a, sliding part 7b and location division 7c, and sliding part 7b is positioned at the centre of location division 7c and limiting section 7a.Location division 7c has locating slot 7c1, locating piece 9 is provided with in locating slot 7c1, in the present embodiment, locating piece 9 is flat keys, locating piece 9 is arranged in and is partly embedded in sliding tray 8a outside the 7c of location division, spacer pin 7 and limit base 8 circumference are connected, locating piece 9 can slide along sliding tray 8a, and location division 7c passes outside through hole and handle 10 screw thread is connected.Sliding part 7b is positioned at spacing hole and the lateral wall of sliding part 7b and the madial wall of spacing hole fit, and sliding part 7b can not exist the problem of beating diametrically when spacing hole slides.The diameter of limiting section 7a is less than the diameter of sliding part 7b; the bottom of limiting section 7a is a horizontal plane; the end face on horizontal plane and sleeve 5 top matches, and make to be that face contacts between limiting section 7a with sleeve 5, contact area is large; limiting section 7a minimum point is vertically positioned at the top of sliding part 7b minimum point; this kind of structure, plays a protective role, namely after sliding part 7b encounters jacket casing; spacer pin 7 just can not move inwardly again, and limiting section 7a can not be contacted with power transmission shaft 4.In the present embodiment, sliding part 7b is equal along the length sum of spacing hole axis with sleeve 5 lateral wall with limit base 8 madial wall along the length sum of spacing hole axis with limiting section 7a, namely between sliding part 7b and limit base 8, there is gap, limiting section 7a be located in jacket casing top and on the mobile route of sleeve 5, make jacket casing can not cross limiting section 7a, namely, when normal process, cutter is firmly arranged on main shaft 3, and cutter can not come off.In actual production, also can make sliding part 7b and the limiting section 7a length sum along spacing hole axis than limit base 8 madial wall and sleeve 5 lateral wall along few 1mm or 2mm of the length sum of spacing hole axis.
During work, swivel feeding handle 2, makes sleeve 5 be positioned at lower position, hold handle 10, push inward a bit by handle 10, swivel feeding handle 2 is debugged, make the top end face of sleeve 5 be resisted against on the horizontal plane bottom limiting section 7a, namely limiting section 7a is positioned on the mobile route of sleeve 5.When unloading cutter, handle 10 is pulled out, swivel feeding handle 2, make sleeve 5 moves by gear shaft 13, limiting section 7a is crossed at the top of sleeve 5, main shaft 3 and the cutter be arranged in main shaft 3 move with on sleeve 5, and splined shaft is axial restraint, after cutter moves a certain distance, the afterbody of cutter strikes the top of splined shaft, cutter is come off from main shaft 3, reaches the object of unloading cutter.
Embodiment two
As shown in Figure 4, the present embodiment is substantially identical with principle with the structure of embodiment one, and different places is, in the present embodiment, position limiting structure comprises bolt 12, and main spindle box 1 has internal thread hole, and bolt 12 screw thread is connected in internal thread hole, and the inner of bolt 12 be positioned at sleeve 5 top and on the mobile route of sleeve 5, when unloading cutter, use instrument, bolt 12 is screwed out, make the inner of bolt 12 leave the mobile route of sleeve 5, reach the object of unloading cutter.Use bolt 12, cost is low.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ the terms such as main spindle box 1, feeding handle 2, main shaft 3, power transmission shaft 4, sleeve 5, spur rack 6, spacer pin 7, limiting section 7a, sliding part 7b, location division 7c, locating slot 7c1, limit base 8, sliding tray 8a, locating piece 9, handle 10, screw 11, bolt 12, gear shaft 13 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (10)
1. a drilling machine unloads knife system, drilling machine comprises main spindle box (1) and feeding handle (2), main shaft (3) is provided with in described main spindle box (1), it is characterized in that, axis along main shaft (3) in described main shaft (3) has the installing hole run through, described main shaft (3) is connected with the power transmission shaft (4) of axial restraint, and one end of power transmission shaft (4) is located in the installing hole of main shaft (3), the described knife system that unloads comprises the sleeve (5) that position limiting structure and main shaft (3) overcoat have, the lateral wall of described sleeve (5) has spur rack (6) along the axis of sleeve (5), described spur rack (6) is connected with feeding handle (2), described main shaft (3) moves up and down with sleeve (5), described position limiting structure is positioned at the top of sleeve (5) and can moves on the mobile route of sleeve (5).
2. a kind of drilling machine according to claim 1 unloads knife system, it is characterized in that, described position limiting structure comprises spacer pin (7) and limit base (8), (1) has spacing hole to described main spindle box, described limit base (8) is fixed in spacing hole, (8) have through hole to described limit base, described spacer pin (7) comprises limiting section (7a), sliding part (7b) and location division (7c), described sliding part (7b) is positioned at spacing hole and the lateral wall of sliding part (7b) and the madial wall of spacing hole fit, described location division (7c) through through hole and location division (7c) and limit base (8) circumference be connected, when there is gap between described sliding part (7b) and limit base (8), described limiting section (7a) be positioned at sleeve (5) top and on the mobile route of sleeve (5).
3. a kind of drilling machine according to claim 2 unloads knife system, it is characterized in that, the diameter of described limiting section (7a) is less than the diameter of sliding part (7b), and described limiting section (7a) minimum point is vertically positioned at the top of sliding part (7b) minimum point.
4. a kind of drilling machine according to claim 3 unloads knife system, it is characterized in that, the bottom of described limiting section (7a) is a horizontal plane.
5. a kind of drilling machine according to Claims 2 or 3 or 4 unloads knife system, it is characterized in that, described location division (7c) has locating slot (7c1), locating piece (9) is provided with in described locating slot (7c1), have sliding tray (8a) in described limit base (8), described locating piece (9) to be embedded in sliding tray (8a) and can to slide along sliding tray (8a).
6. a kind of drilling machine according to Claims 2 or 3 or 4 unloads knife system, it is characterized in that, described location division (7c) passes outside through hole and be fixed with handle (10).
7. a kind of drilling machine according to Claims 2 or 3 or 4 unloads knife system, it is characterized in that, described limit base (8) is fixed on main spindle box (1) by screw (11).
8. a kind of drilling machine according to claim 1 unloads knife system, it is characterized in that, described position limiting structure comprises bolt (12), (1) has internal thread hole to described main spindle box, described bolt (12) screw thread is connected in internal thread hole, and the inner of bolt (12) be positioned at sleeve (5) top and on the mobile route of sleeve (5).
9. a kind of drilling machine according to claim 1 or 2 or 8 unloads knife system, it is characterized in that, described feeding handle (2) is connected with the spur rack (6) on sleeve (5) lateral wall by gear shaft (13).
10. a kind of drilling machine according to claim 1 or 2 or 8 unloads knife system, it is characterized in that, described power transmission shaft (4) is splined shaft.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420411762.6U CN204036103U (en) | 2014-07-24 | 2014-07-24 | A kind of drilling machine unloads knife system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420411762.6U CN204036103U (en) | 2014-07-24 | 2014-07-24 | A kind of drilling machine unloads knife system |
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| CN204036103U true CN204036103U (en) | 2014-12-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128833A (en) * | 2014-07-24 | 2014-11-05 | 浙江西菱股份有限公司 | Tool unloading device for drilling machine |
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- 2014-07-24 CN CN201420411762.6U patent/CN204036103U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104128833A (en) * | 2014-07-24 | 2014-11-05 | 浙江西菱股份有限公司 | Tool unloading device for drilling machine |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Tool unloading device for drilling machine Effective date of registration: 20180312 Granted publication date: 20141224 Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd Pledgor: ZHEJIANG XILING CO., LTD. Registration number: 2018330000057 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |