CN103464836A - Manual threading machine - Google Patents
Manual threading machine Download PDFInfo
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- CN103464836A CN103464836A CN201310442824XA CN201310442824A CN103464836A CN 103464836 A CN103464836 A CN 103464836A CN 201310442824X A CN201310442824X A CN 201310442824XA CN 201310442824 A CN201310442824 A CN 201310442824A CN 103464836 A CN103464836 A CN 103464836A
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Abstract
The invention discloses a manual threading machine. The manual threading machine comprises a benchmark baffle, a clamping seat, a transmission mechanism and a hand-operated mechanism, wherein the transmission mechanism comprises a main shaft and a transmission main body plate; one end of the main shaft is connected with a screw tap by a screw tap chuck; a main shaft gear wheel and two bearings are sleeved on the main shaft; a manual gear wheel shaft is fixedly arranged on the transmission main body plate by a bolt; a manual gear wheel meshed with the main shaft gear wheel is sleeved on the manual gear wheel shaft; one end of the manual gear wheel shaft is connected with the hand-operated mechanism by a bolt; the screw tap is rotated with the main shaft through the coordination of the manual gear wheel and the main shaft gear wheel. According to the manual threading machine, the skill requirements on technicians are low; workers can effectively control the advance speed of the screw tap; the screw tap is difficult to break; the quality is reliable; the operation difficulty is small; the processing speed is fast; the benefits are high; particularly in tiny thread processing, a large quantity of processing cost and equipment cost can be reduced.
Description
Technical field
The present invention relates to the chasing bar technical field, be specifically related to a kind of Manual tapping machine.
Background technology
Tapping machine is exactly in the various holes with different size such as parts housing, equipment end face, nut, ring flanges, as a kind of machining equipment that the medial surface of through hole, deep hole and blind hole etc. processes internal thread, screw or makes tooth buckle with screw tap, it is also most widely used a kind of internal thread machining lathe at present.
At present, fine thread processing is often used in Aero-Space and all kinds of machine components, and the fine thread processing of aluminium alloy, titanium alloy is of crucial importance, and high-quality thread connection is related to the safety of all kinds of electric mechanical equipment of Aero-Space.
In existing machining fine thread, mainly adopt electric threading machine or pneumatic tapper.Electronic, pneumatic tapper mainly is applicable to the zero allowance screw thread of machining screw specification more than M3, but its tapping speed is slow, screw thread to M0.5-M2 lacks flexible, as too fast as rotating speed, can not arbitrarily control, easy broken tap, the numerical control pneumatic tapping machine adapts to processing in enormous quantities, but equipment cost and processing cost are higher.And, in actual production, often meet the restriction of some screwed hole due to position or part shape, be not suitable for the machine tapping, so must adopt manual tapping, the minor thread bore dia is less simultaneously, the intensity of screw tap is lower, easily fracture during the machine tapping, generally also commonly use manual tapping.
Traditional hand tapping, general step is: at first miniature nut is carried out to clamping, and make miniature nut need to attack the one side of internal thread, be placed in level or upright position, so that judgement and maintenance screw tap are perpendicular to the workpiece basal plane; When starting to attack internal thread, put screw tap just, righting screw tap on the other hand then, tap wrench is gently rotated in another have gentle hands.But in practical operation, screw tap is thinner, and screwing speed is slower, process minor diameter screw thread in enormous quantities, the screw tap easy fracture, cause crudy not high, and efficiency is low, and labour intensity is large.
Summary of the invention
For the deficiencies in the prior art, this law is bright provides a kind of Manual tapping machine, and to solve, traditional tapping machine processing cost is high, screw tap easy fracture, the slow problem of process velocity.
For solving the problems of the technologies described above, the invention provides a kind of Manual tapping machine, comprise: the benchmark baffle plate, grip slipper, transmission mechanism and hand-operated mechanism, wherein, described transmission mechanism has a main shaft and a transmission main board, one end of described main shaft is connected with by tap chuck the screw tap that tapping is used, also be arranged with two bearings on described main shaft, one of them bearing is positioned at the other end of main shaft and is held in described transmission main board, also be arranged with the mainshaft gear between two bearings on described main shaft, be fixedly connected with the manual gear axle by screw on described transmission main board, be arranged with the manual gear mutually meshing with described mainshaft gear on described manual gear axle, the other end of described manual gear axle is fixedly connected on described hand-operated mechanism by screw, cooperation by described manual gear and mainshaft gear, make described screw tap rotate with main shaft.
Preferably, be provided with a contiguous block on described grip slipper, from described contiguous block convexity, set out lead, on described benchmark baffle plate, correspondence is provided with a reducing gear, and described lead can stretch into described reducing gear.
Preferably, described reducing gear comprises spring, bearing holder (housing, cover), anti-drop block and linear bearing, wherein, described spring, anti-drop block and linear bearing all are arranged in described bearing holder (housing, cover), and described bearing holder (housing, cover) cross section is the cylindric of hollow, by screw, are fixed on described benchmark baffle plate, described bearing holder (housing, cover) bottom connects described spring, the spring other end connects described anti-drop block, and linear bearing is located at above described anti-drop block, and described lead can be connected to described anti-drop block through described linear bearing.
Preferably, on described manual gear axle, also establish and be arranged with the hand-operated gear bearing, on described hand-operated gear bearing, also be provided with bearing block, described manual gear axle coordinates adjustment screw to be fastened on described transmission main board by gear.
Preferably, described grip slipper one end is fixedly connected on described transmission main board by a screw, and described contiguous block and lead are fixedly connected on described transmission main board by another screw.
Preferably, described hand-operated mechanism comprises vertically disposed rocking handle and handle, and an end of described rocking handle is fixedly connected on described manual gear axle by screw, and the described rocking handle other end is fixedly connected on described handle by screw.
Preferably, also be provided with another screw on described rocking handle, be connected and fixed on described manual gear.
Compared with prior art, Manual tapping machine provided by the present invention has reached following technique effect:
1) the designed a kind of Manual tapping machine of the present invention is processed with great advantage to blind threaded in all kinds of machine components and special-shaped machine components or unmanageable titanium alloy component, the staff can control the screw tap fltting speed effectively, screw tap is easy fracture not also, reliable in quality, operation easier is little, little to the requirement of staff's technical ability, be better than numerical control device in small lot processing and research and production.
2) the designed Manual tapping machine of the present invention, few in special-shaped part parts in small batch time, equipment cost is low, and processing cost is low, and process velocity is fast, completes high efficiency, especially, in small screw thread processing, can save a large amount of processing costs and equipment cost.
The accompanying drawing explanation
The structure cutaway view that Fig. 1 is the described Manual tapping machine of the embodiment of the present invention;
In figure, Reference numeral is as follows:
1-benchmark baffle plate, 2-bearing holder (housing, cover), 3-spring, 4-anti-drop block, 5-linear bearing, the 6-lead, 7-screw tap, 8-tap chuck, 9-main shaft, the large bearing of 10-main shaft, the little bearing of 11-main shaft, 12-hand-operated gear bearing, 13-manual gear, the 14-mainshaft gear, 15-transmission main board, 16-bearing block, 17-handle, the 18-contiguous block, 19-grip slipper, 20-cheese head screw, 21-manual gear axle, the 22-sunk screw, the 23-gear coordinates adjustment screw, 24-bearing (ball) cover, 25-rocking handle
The specific embodiment
Censure specific components as used some vocabulary in the middle of specification and claim.Those skilled in the art should understand, and the goods producer may call same parts with different nouns.This specification and claims are not used as distinguishing the mode of parts with the difference of title, but the difference on function is used as the criterion of distinguishing with parts.The specification subsequent descriptions is for implementing better embodiment of the present invention, and right described description is to illustrate that rule of the present invention is purpose, not in order to limit scope of the present invention.Protection scope of the present invention is as the criterion when looking the claims person of defining.
Below in conjunction with accompanying drawing, the present invention is described in further detail, but not as a limitation of the invention.
As shown in Figure 1, the described a kind of Manual tapping machine of the embodiment of the present invention, comprise: benchmark baffle plate 1, grip slipper 19, transmission mechanism and hand-operated mechanism, it is characterized in that, described transmission mechanism has a main shaft 9 and a transmission main board 15, one end of described main shaft 9 is connected with screw tap 7 by tap chuck 8, be arranged with two bearings on described main shaft 9, two bearings small one and large one, wherein, the little bearing 11 of main shaft is positioned at the other end of described main shaft 9, and be held in described transmission main board 15, " support " is that say can adjacent described transmission main board 15 herein, perhaps some gap a little between the two, but it is not fixing.The large bearing 10 of main shaft roughly is positioned at the middle part of main shaft, there is a bearing capping 24 on described large bearing 10, prevent foreign matter enter also can increase attractive in appearance, also be provided with a mainshaft gear 14 on described main shaft 9, it is between two bearings, described mainshaft gear 14 can directly be connected with the little bearing 11 of described main shaft, by the rotation of the little bearing 11 of main shaft and then the rotation of drive main shaft 9.Also by screw, be fixedly connected with manual gear axle 21 on described transmission main board 15, be arranged with manual gear 13 on described manual gear axle 21, described manual gear 13 is complementary with described mainshaft gear 14, one end of described manual gear axle 21 connects described hand-operated mechanism by screw 20, by shaking described hand-operated mechanism, and the cooperation of described manual gear 13 and mainshaft gear 14, make screw tap 7 rotate with the rotation of main shaft 9, and then reach the purpose of tapping, wherein, described gear is angular wheel.
When other parts, on main shaft 9 during with its generation relative motion, mechanical friction coefficient and retainer shaft center that bearing 10 or 11 is used for reducing in power transmission process are fixed.Bearing 10 in the embodiment of the present invention or 11 can be rolling bearing or sliding bearing.Screw tap 7 in this enforcement consists of working portion and shank.Working portion divides again cutting part and calibrated section, and the former has cutting cone by mill, undertakes cutwork, and the latter is in order to calibrate the size and dimension of screw thread.
As a preferred embodiment, be provided with a contiguous block 18 on described grip slipper 19, grip slipper 19 shown in described contiguous block 18 can connect by bonding, welding or the fixing mode of screw, described grip slipper 19 is cuboid.Be convexly equipped with a lead 6 that can stretch in described reducing gear from contiguous block 18, described lead 6 is column type or other shapes, be preferably cylinder, by cheese head screw 20, described contiguous block 18 and lead 6 are fixedly connected on above described transmission main board 15, the upper end of described grip slipper 19 also is fixedly connected on described transmission main board 15 by another cheese head screw 20, and the lower end of grip slipper 19 can be clamped on bench vice.
Reducing gear is located on described benchmark baffle plate 1, with described lead 6, coaxially arranges, and described lead 6 can stretch into described reducing gear, and described reducing gear can be fixedly connected with lead 6.
Wherein, described reducing gear comprises spring 3, bearing holder (housing, cover) 2, anti-drop block 4 and linear bearing 5, wherein, described spring 3, anti-drop block 5 and linear bearing 5 all are arranged in described bearing holder (housing, cover) 2, described bearing holder (housing, cover) 2 is the cylindric of hollow, and an end of described spring 3 connects described bearing holder (housing, cover) 2 bottoms, by sunk screw 22, described bearing holder (housing, cover) 2 is fixedly connected with described benchmark baffle plate 1, the other end of spring 3 connects described anti-drop block 4, and we also can add in the outside of described spring 3 spring housing.Described anti-drop block 4 also is connected with described linear bearing 5, described lead 6 can be connected to described anti-drop block 4 through described linear bearing 5, it is better that the diameter of described lead 6 just equals the internal diameter of described linear bearing, between described lead 6 and anti-drop block 4, also can fix by sunk screw 22, described anti-drop block 4 cross sections are for circle, can in described linear bearing 5, slide.When to left translation, carrying out tapping, lead 6 is expressed to spring 3 together with anti-drop block 4, and the resistance of spring 3 can reduce the speed of passing, and prevents from operating too fast, causes the screw thread inaccuracy of processing.
Also establish and be arranged with hand-operated gear bearing 12 on described manual gear axle 21, also be provided with bearing block 16 on described hand-operated gear bearing 12, described manual gear axle 21 coordinates adjustment screw 23 to be fixedly connected on described transmission main board 15 by a gear, described gear coordinates adjustment screw 23 can suitably regulate the interlock dynamics between described manual gear 13 and mainshaft gear 14, be convenient to regulate better when mounted interlock between the two, make the more coordination coordinated between gear.
Described hand-operated mechanism comprises rocking handle 25 and handle 17, the setting vertical with handle 17 of described rocking handle 25, one end of described rocking handle 25 is fixedly connected on described manual gear axle 21 by cheese head screw 20, described hand-operated gear bearing 12 can carry described manual gear axle 21 to be done to rotate freely in 360 degree scopes, and described rocking handle 25 other ends are fixedly connected on described handle 17 by screw 20.Wherein, also be provided with a cheese head screw 20 on described rocking handle 25, can be connected and fixed on described manual gear 13, when shaking rocking handle 25, screw also can drive its rotation, more laborsaving like this.
During tapping, its workflow is roughly as follows:
At first, by grip slipper 19, this equipment is clamped on bench vice, left hand is held workpiece to be processed, and need the one side of machining screw to rely on the benchmark baffle plate it, then handheld device is aimed at lead 6 to be fixed in the reducing gear entrance on the benchmark baffle plate, under the active force of spring 3, slowly advance left, screw tap 7 has guide angle, and automatic calibration makes the screw tap center line consistent with the drill center line, continues the 7 arrival workpiece thread Pilot hole oral area to be processed to left translation to screw tap.
Then, the right hand is held handle 17 and is done and clockwise rotate, and handle 17 is started the rotation of moving gear 13 by the connecting band of cheese head screw 20, the mutual interlock between manual gear 13 and mainshaft gear 14, and then drive mainshaft gear 14 rotates, mainshaft gear 14 is connected in the little bearing 11 of main shaft, then drive main shaft 9 and rotate, and then screw tap 7 will carry out screw chasing processing to workpiece, after being worked into the required depth of thread, rotate counterclockwise handle, workpiece will exit left automatically, completes a screw thread processing.Particularly, on gear engagement contact (area) pattern height, be 65%, on length, be 60%, point symmetry in the flank of tooth, gear backlash is generally at 0.3～0.5mm, and the concave surface of general mesh driving gear drives the convex surface of driven gear.Because gear drive is strong to the moment of torsion induction, so the stressed size of screw tap can accurate transfer arrive swing handle, the operator does not need too high professional qualification just can grasp.The accurate ratio of manual gear and mainshaft gear can make main shaft flexible rotation at a slow speed soon, and the accurate feeding of the depth of thread.
In tapping process, on workpiece, chamfering is wanted in the aperture of thread Pilot hole, and the through hole whorl two ends all are chamfering usually.It is correct that want the workpiece clamp position, make the screwed hole center line be placed in horizontal or vertical position as far as possible, makes tapping easily judge that the screw tap axis is whether perpendicular to the plane of workpiece.When tapping starts, put screw tap just as far as possible, then to screw tap plus-pressure swing handle, when incision 1-2 circle, the position that carefully checks and proofread and correct screw tap.During general incision 3-4 circle screw thread, the screw tap position should be correct.After, need only swing handle, and should be again to the screw tap plus-pressure, otherwise the form of thread is by damaged.Similarly, when tapping, every tapping incision 1/2-1 circle, can reverse approximately 1/2 circle, makes the cataclasm rear easy discharge of smear metal, and can reduce cutting edge and make the screw tap phenomenon of box-uping because of sticky considering to be worth doing.While attacking obstructed screw, suitably exit screw tap, the smear metal in evacuation aperture.While attacking the screw of plastic material, generally to add metalworking coolant.For the steel material, the available rape oil of generally having relatively high expectations with machine oil or the larger emulsion of concentration or molybdenum bisuphide etc.While using a rear screw tap in tapping process instead, first screw in the screw thread of tapping with hand, during to precession again, then with strand hand or other swing handle switchings.Bore and attacked while exiting at end, also will avoid quick rotation strand hand or other swing handles, the most handy hand-screw goes out, unaffected to guarantee the thread quality of having attacked.
Compared with prior art, the Manual tapping machine that the present invention is designed, the staff can control the screw tap fltting speed effectively, screw tap is easy fracture not also, reliable in quality, operation easier is little, to staff's technical ability, requires little, few in special-shaped part parts in small batch time, equipment and processing cost are low, and process velocity is fast, complete high efficiency, especially in small screw thread processing, can save a large amount of processing costs and equipment cost.
Above-mentioned explanation illustrates and has described some preferred embodiments of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to the disclosed form of this paper, should not regard the eliminating to other embodiment as, and can be used for various other combinations, modification and environment, and can, in invention contemplated scope described herein, by technology or the knowledge of above-mentioned instruction or association area, be changed.And the change that those skilled in the art carry out and variation do not break away from the spirit and scope of the present invention, all should be in the protection domain of claims of the present invention.
Claims (7)
1. a Manual tapping machine, comprise the benchmark baffle plate, grip slipper, transmission mechanism and hand-operated mechanism, it is characterized in that, described transmission mechanism has a main shaft and a transmission main board, one end of described main shaft is connected with by tap chuck the screw tap that tapping is used, be arranged with two bearings on described main shaft, one of them bearing is positioned at the other end of main shaft and is held in described transmission main board, also be arranged with the mainshaft gear between two bearings on described main shaft, be fixedly connected with the manual gear axle by screw on described transmission main board, be arranged with the manual gear mutually meshing with described mainshaft gear on described manual gear axle, the other end of described manual gear axle is fixedly connected on described hand-operated mechanism by screw, cooperation by described manual gear and mainshaft gear, make described screw tap rotate with described main shaft.
2. Manual tapping machine as claimed in claim 1, it is characterized in that, be provided with a contiguous block on described grip slipper, from described contiguous block convexity, set out lead, on described benchmark baffle plate, correspondence is provided with a reducing gear, and described lead can stretch into and connect described reducing gear.
3. Manual tapping machine as claimed in claim 2, is characterized in that, described reducing gear comprises spring, bearing holder (housing, cover), anti-drop block and linear bearing, wherein,
Described spring, anti-drop block and linear bearing all are arranged in described bearing holder (housing, cover), described bearing holder (housing, cover) cross section is the cylindric of hollow, by screw, be fixed on described benchmark baffle plate, described bearing holder (housing, cover) bottom connects described spring, the spring other end connects described anti-drop block, linear bearing is located at above described anti-drop block, and described lead can be connected to described anti-drop block through described linear bearing.
4. Manual tapping machine as claimed in claim 1, it is characterized in that, also establish and be arranged with the hand-operated gear bearing on described manual gear axle, on described hand-operated gear bearing, also be provided with bearing block, described manual gear axle coordinates adjustment screw to be fastened on described transmission main board by gear.
5. Manual tapping machine as claimed in claim 2, is characterized in that, described grip slipper one end is fixedly connected on described transmission main board by a screw, and described contiguous block and lead also are fixedly connected on described transmission main board by another screw.
6. Manual tapping machine as claimed in claim 1, it is characterized in that, described hand-operated mechanism comprises vertically disposed rocking handle and handle, and an end of described rocking handle is fixedly connected on described manual gear axle by screw, and the described rocking handle other end is fixedly connected on described handle by screw.
7. Manual tapping machine as claimed in claim 6, is characterized in that, also is provided with a screw on described rocking handle, is connected and fixed on described manual gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310442824.XA CN103464836B (en) | 2013-09-25 | 2013-09-25 | Manual tapping machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310442824.XA CN103464836B (en) | 2013-09-25 | 2013-09-25 | Manual tapping machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103464836A true CN103464836A (en) | 2013-12-25 |
| CN103464836B CN103464836B (en) | 2016-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310442824.XA Active CN103464836B (en) | 2013-09-25 | 2013-09-25 | Manual tapping machine |
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| Country | Link |
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| CN (1) | CN103464836B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259590A (en) * | 2014-09-23 | 2015-01-07 | 中船动力有限公司 | Special tool and method for tapping of body threaded hole of diesel engine |
| CN107900415A (en) * | 2017-10-30 | 2018-04-13 | 四川九洲电器集团有限责任公司 | Positioning and guiding hand drill |
| CN114683197A (en) * | 2022-04-29 | 2022-07-01 | 宁夏共享精密加工有限公司 | A kind of spanner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2609657A1 (en) * | 1987-01-19 | 1988-07-22 | Castel Bijoux Sa | Manual or motorised drum for threading wire |
| CN201070695Y (en) * | 2007-08-22 | 2008-06-11 | 天津市天发重型水电设备制造有限公司 | Hand tapping machine |
| DE202009001001U1 (en) * | 2009-01-27 | 2009-04-09 | Puchinger, Bruno | Manual tapping device |
| CN201922137U (en) * | 2010-12-21 | 2011-08-10 | 深圳市发斯特精密技术有限公司 | Manual tapping machine |
| CN202291704U (en) * | 2011-08-31 | 2012-07-04 | 山东科技大学 | Novel manual tapping device |
-
2013
- 2013-09-25 CN CN201310442824.XA patent/CN103464836B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2609657A1 (en) * | 1987-01-19 | 1988-07-22 | Castel Bijoux Sa | Manual or motorised drum for threading wire |
| CN201070695Y (en) * | 2007-08-22 | 2008-06-11 | 天津市天发重型水电设备制造有限公司 | Hand tapping machine |
| DE202009001001U1 (en) * | 2009-01-27 | 2009-04-09 | Puchinger, Bruno | Manual tapping device |
| CN201922137U (en) * | 2010-12-21 | 2011-08-10 | 深圳市发斯特精密技术有限公司 | Manual tapping machine |
| CN202291704U (en) * | 2011-08-31 | 2012-07-04 | 山东科技大学 | Novel manual tapping device |
Non-Patent Citations (1)
| Title |
|---|
| 刘庆水: "新型攻丝装置", 《工艺装备》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104259590A (en) * | 2014-09-23 | 2015-01-07 | 中船动力有限公司 | Special tool and method for tapping of body threaded hole of diesel engine |
| CN107900415A (en) * | 2017-10-30 | 2018-04-13 | 四川九洲电器集团有限责任公司 | Positioning and guiding hand drill |
| CN114683197A (en) * | 2022-04-29 | 2022-07-01 | 宁夏共享精密加工有限公司 | A kind of spanner |
| CN114683197B (en) * | 2022-04-29 | 2023-09-08 | 宁夏共享精密加工有限公司 | Spanner |
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| Publication number | Publication date |
|---|---|
| CN103464836B (en) | 2016-05-11 |
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