CN110561096A - Numerical distribution unit electric screwdriver and method for loosening and tightening - Google Patents
Numerical distribution unit electric screwdriver and method for loosening and tightening Download PDFInfo
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- CN110561096A CN110561096A CN201910771398.1A CN201910771398A CN110561096A CN 110561096 A CN110561096 A CN 110561096A CN 201910771398 A CN201910771398 A CN 201910771398A CN 110561096 A CN110561096 A CN 110561096A
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- synchronous belt
- chuck
- double
- tail pipe
- head
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
- B23P19/06—Screw or nut setting or loosening machines
- B23P19/069—Multi-spindle machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
an electric loosening and tightening screwdriver with a digital distribution unit and a loosening and tightening method thereof comprise a rotating mechanism, a rotary driving mechanism and a trumpet-shaped adjusting mechanism with an opening capable of being opened and tightened, the rotating mechanism comprises a double-sided tooth synchronous belt, n synchronous belt wheels and n output end rotating shafts, the n output end rotating shafts are uniformly distributed along the inner wall of the adjusting mechanism in a surrounding way, the side wall of the front part of the adjusting mechanism is provided with a gap between two adjacent output end rotating shafts, the tail end of each output end rotating shaft extends out of the tail end of the adjusting mechanism and is connected with a rotary driving mechanism, the front end of each output end rotating shaft extends out of the opening end of the adjusting mechanism and is connected with a synchronous belt pulley, the rotary driving mechanism drives the output end rotating shafts to rotate, thereby synchronously driving a synchronous belt wheel to rotate, the synchronous belt wheel is provided with an external toothing, the double-sided tooth synchronous belt is simultaneously provided with an internal toothing and an external toothing, the double-sided tooth synchronous belt is sleeved on the n synchronous belt wheels, and the inner mesh of the double-sided tooth synchronous belt is meshed with the outer mesh of the n synchronous belt wheels.
Description
Technical Field
The invention relates to a screwdriver tool, in particular to a digital distribution unit electric loosening and tightening screwdriver and a loosening and tightening method.
Background
Patent No. CN106312894B, discloses a digital distribution unit tailstock electric tightening device and method. The disadvantages of the utility model are the problem of service life and inconvenient use. No matter its runner is rubber material or brass material or other metal material, because the brass material that the tailstock was used is joined in marriage to the number, and be the straight line annular knurl on its outer wall, the runner is sliding friction before the synchronous rotation of tailstock is joined in marriage to the number, and hardness is low will quick wearing and tearing and the inefficacy of skidding when the runner is plastics, and the runner is the metal or causes the tailstock wearing and tearing of joining in marriage to the number, or self wearing and tearing are serious. The use is inconvenient because the groove opening direction needs to be found when the tailstock cable is used every time, and the tailstock cable is placed in the groove, so that the cable is prevented from being damaged during working.
Disclosure of Invention
in order to solve the technical problems, the invention provides an electric screwdriver with a digital distribution unit and a method thereof, and the specific scheme is as follows:
the invention provides a digital matching unit electric screwdriver, which comprises a rotating mechanism, a rotating driving mechanism and a trumpet-shaped adjusting mechanism with an opening capable of being opened and contracted, wherein the rotating mechanism comprises a double-sided tooth synchronous belt, n synchronous belt wheels and n output end rotating shafts, the n output end rotating shafts are uniformly distributed along the inner wall of the adjusting mechanism in a surrounding way, a gap is arranged between every two adjacent output end rotating shafts on the front side wall of the adjusting mechanism, the tail end of each output end rotating shaft extends out of the tail end of the adjusting mechanism and is connected with the rotating driving mechanism, the front end extends out of the opening end of the adjusting mechanism and is connected with the synchronous belt wheels, the rotating driving mechanism drives the output end rotating shafts to rotate so as to synchronously drive the synchronous belt wheels to rotate, the synchronous belt wheels are externally meshed, the double-sided tooth synchronous belt is internally and externally meshed simultaneously, the, the inner mesh thereof is meshed with the outer meshes of n synchronous pulleys, wherein n is more than or equal to 3.
Furthermore, the rotary driving mechanism comprises a motor and n gear end rotating shafts, an output shaft of the motor is connected with a driving wheel, the driving wheel is meshed with n driven wheels uniformly distributed along the circumference of the driving wheel, one end of each gear end rotating shaft is connected with the driven wheel, and the other end of each gear end rotating shaft is connected with an output end rotating shaft.
Furthermore, the rotary driving mechanism further comprises a coupler, and the gear end rotating shaft is connected with the output end rotating shaft through the coupler.
Further, adjustment mechanism include limit sleeve and overlap in the chuck that is loudspeaker form and can open, the crimple among the limit sleeve, limit sleeve is fixed in on the shell, the chuck opening part has a spacing dish of n along its circumference equipartition, output pivot front end passes spacing dish is connected with synchronous pulley, and its opening size is adjusted through the bolster to the chuck rear end.
Further, the bolster include with chuck and gag lever post, gag lever post one end and chuck bottom fixed connection, the other end passes limit sleeve and limit sleeve sliding connection, the cover has the spring on the gag lever post, and spring one end is connected with the chuck, the other end is connected with limit sleeve, and limit sleeve, shell and brake valve lever are integrative.
Furthermore, the front side wall of the limiting sleeve is uniformly provided with n first notches in a surrounding mode, the front side wall of the chuck is uniformly provided with n second notches in a surrounding mode, a second notch is arranged between every two adjacent limiting discs, and the first notches are opposite to the second notches one by one.
As another aspect of the present invention, there is provided a method of tightening using a counter unit electric screwdriver, the method comprising:
The 2M head tail pipe is attached to a double-sided tooth synchronous belt between any two adjacent synchronous belt wheels and is pushed forwards in the direction of the axis of the double-sided tooth synchronous belt, and the jumping teeth of the synchronous belt wheels move in the direction of the axis under the action of the reaction force of the 2M head tail pipe to clamp the 2M head tail pipe;
The rotary driving mechanism is started, the output end rotating shaft is driven to rotate through the rotary driving mechanism, the synchronous belt wheel is driven to rotate, the double-sided tooth synchronous belt is driven through the synchronous belt wheel, the 2M head and tail pipe is driven to synchronously rotate through static friction between the outer teeth of the double-sided tooth synchronous belt and straight-line knurls on the outer wall of the 2M head and tail pipe, and screwing or unscrewing of the 2M head and tail pipe is achieved.
Further, the method further comprises: when the 2M head tail pipe is pushed forwards towards the axis direction of the double-sided tooth synchronous belt, the control handle is pushed towards the 2M head tail pipe, the spring is compressed, the chuck is pulled towards the limiting sleeve, and therefore the opening of the chuck is contracted.
the invention has the following beneficial effects:
1) The tail pipe with the 2M head is clamped through the double-sided tooth synchronous belt to drive the tail pipe to rotate synchronously, so that the conversion process from sliding friction to static friction in the prior patent is reduced, and the abrasion is reduced.
2) The worn rotating wheel needs to be replaced from time to time in the prior art, and the novel synchronous belt is long in service life and easy to replace due to the fact that the standard synchronous belt is used in the prior art.
3) and every two synchronous pulleys can be used as a 2M head and tail pipe to enter the center of the chuck, so that the use is more convenient.
Drawings
FIG. 1 is a schematic view of a 2M head-tail pipe screwed on a fitting unit according to an embodiment of the present invention;
FIG. 2 is an external structural view of an electric screwdriver with a number matching unit according to an embodiment of the present invention;
FIG. 3 is an internal view of the electric screwdriver with several units according to the present invention;
FIG. 4 is a partial enlarged view of the electric screwdriver with several units according to the embodiment of the present invention;
FIG. 5 is a structural diagram of a buffer provided in an embodiment of the present invention;
FIG. 6 is a schematic view of a 2M head-tail pipe installation provided in an embodiment of the present invention;
FIG. 7 is a schematic view of a 2M head and tail pipe clamp according to an embodiment of the present invention;
Description of reference numerals: 1. synchronous pulley, 2, double-sided tooth synchronous belt, 3, chuck, 4, output end rotating shaft, 5, limiting sleeve, 6, spring, 7, shaft coupling, 8, end cover, 9, gear end rotating shaft, 10, driven wheel, 11, driving wheel, 12 shells, 13, motor, 14, control handle, 15, 2M head tail pipe, 16, coaxial cable, 17, clamping direction, 18 and limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 2-5, as a first embodiment of the present invention, a digital distribution unit electric screwdriver is provided, which comprises a rotating mechanism, a rotating driving mechanism and a trumpet-shaped adjusting mechanism with an opening capable of expanding and contracting, wherein the rotating mechanism comprises a double-sided tooth synchronous belt 2, three synchronous pulleys 1 and three output end rotating shafts 4, the three output end rotating shafts 4 are uniformly distributed around the inner wall of the adjusting mechanism, the front side wall of the adjusting mechanism is located between two adjacent output end rotating shafts 4 and has a gap, the tail end of each output end rotating shaft 4 extends out of the adjusting mechanism and is connected with the rotating driving mechanism, the front end extends out of the opening end of the adjusting mechanism and is connected with the synchronous pulleys 1, the rotating driving mechanism drives the output end rotating shafts 4 to rotate, thereby synchronously driving the synchronous pulleys 1 to rotate, the synchronous pulleys 1 have external engagement, the double-sided tooth synchronous belt, the double-sided tooth synchronous belt 2 is sleeved on the three synchronous belt wheels 1, and the inner mesh thereof is meshed with the outer meshes of the three synchronous belt wheels 1.
Wherein, rotary driving mechanism includes motor 13 and three gear end pivot 9, and motor 13 output shaft has action wheel 11, and action wheel 11 meshes from driving wheel 10 with three along its circumference equipartition, and every gear end pivot 9 one end is connected with from driving wheel 10, and the other end passes through shaft coupling 7 to be connected with output pivot 4, shaft coupling 7 is rotatable to be set up on end cover 8, drives action wheel 11 through motor 13 and rotates, and action wheel 11 meshes from driving wheel 10 with individual along the circumference equipartition, and synchronous revolution drives output pivot 4 synchronous revolution through shaft coupling 7, makes double teeth hold-in range 2 also follow the synchronous pulley 1 in output pivot 4 and rotate together.
Wherein, adjustment mechanism include stop sleeve 5 and cover in horn shape and opening among the stop sleeve 5 can open, the chuck 3 of crimple, stop sleeve's opening size is fixed, and chuck opening size is greater than stop sleeve opening size, and the bore that the chuck is in the stop sleeve opening part can receive the restriction of stop sleeve opening size, so, when the chuck removes to the stop sleeve direction for stop sleeve, the chuck opening can crimple, when the chuck removes to keeping away from the stop sleeve direction for stop sleeve, the chuck opening can open, stop sleeve 5 is fixed in on shell 12, 3 openings of chuck have three spacing dish along its circumference equipartition, 4 front ends of output pivot are passed spacing dish is connected with synchronous pulley 1, and its opening size is adjusted through the bolster to 3 rear ends of chuck.
Wherein, the bolster includes chuck 3 and gag lever post 18, gag lever post 18 one end and 3 bottom fixed connection of chuck, the other end passes spacing sleeve's bottom and perforates and 5 sliding connection of spacing sleeve, the one end tip width that chuck 3 was kept away from to the gag lever post is greater than the fenestrate aperture of spacing sleeve, the cover has spring 6 on the gag lever post 18, spring 6 one end is connected with chuck 3, the other end is connected with spacing sleeve, spacing sleeve and shell, control handle 14 are integrative, push away control handle 14 to 2M head and tail pipe direction, spacing sleeve and shell also can be removed to 2M head and tail pipe direction together. When the synchronous belt wheel is not in work, the chuck 3 is pushed outwards by the spring 6, and the opening of the chuck 3 is enlarged due to the fact that the chuck 3 and the limiting sleeve 5 are in horn mouth type fit, the distance between the synchronous belt wheels 1 is the largest, and the length of the 2M head-tail pipe 15 can be guaranteed to be clamped when the distance between the synchronous belt wheels 1 is reduced. When the double-face tooth synchronous belt clamping device works, a 2M head-tail pipe 15 is attached to a double-face tooth synchronous belt 2 between any two adjacent synchronous belt wheels 1 and is pushed forwards towards the axis direction of the double-face tooth synchronous belt 2, and meanwhile, a user pushes a control handle towards the 2M head-tail pipe direction, as shown in figure 1, the 2M head-tail pipe is screwed on a matching unit which is fixed on a rack of a cabinet, namely, the 2M head-tail pipe cannot move and a chuck cannot move, so that the control handle is pushed forwards and the limiting sleeve can move towards the chuck, for the limiting sleeve, the chuck is pulled towards the limiting sleeve, a spring 6 is compressed at the moment, under the limitation of the limiting sleeve, an opening of the chuck 3 is contracted, the distance between the synchronous belt wheels 1 is reduced, and the synchronous belt wheels 1 jump teeth under the action of the 2M head-tail pipe 15 and move towards the axis direction to clamp the 2M head-tail pipe; then start the rotation driving mechanism, drive output end pivot 4 through the rotation driving mechanism and rotate, drive synchronous pulley 1 and rotate, drive two-sided tooth hold-in range 2 through synchronous pulley 1, drive 2M head and tail pipe 15 synchronous rotation through the static friction between the external tooth of two-sided tooth hold-in range 2 and the straight line annular knurl on the 15 outer walls of 2M head and tail pipe, through rotation driving mechanism control synchronous pulley 1 just reversing, realize screwing up or the pine of 2M head and tail pipe 15.
The three first notches are uniformly distributed and surrounded on the front side wall of the limiting sleeve 5, the three second notches are uniformly distributed and surrounded on the front side wall of the chuck 3, a second notch is arranged between every two adjacent limiting discs, and the first notches are opposite to the second notches one by one.
as a second embodiment of the present invention, there is provided a method of tightening or loosening with a counter unit electric screwdriver, the method including:
As shown in fig. 6-7, a 2M head-tail tube 15 is attached to the double-sided tooth synchronous belt 2 between any two adjacent synchronous pulleys 1 and pushed forward toward the axis of the double-sided tooth synchronous belt 2, i.e., pushed forward toward the clamping direction 17 shown in fig. 5, the coaxial cable 16 passes through the gaps of the chuck 3 and the outer limiting sleeve 5, and simultaneously the control handle is pushed toward the 2M head-tail tube, so that the spring 6 is compressed, the chuck 3 is pulled toward the limiting sleeve 5, the opening of the chuck 3 is contracted, the distance between the synchronous pulleys 1 is reduced, and the jumping teeth of the synchronous pulley 1 move toward the axis under the action of the reaction force of the 2M head-tail tube 15, so as to clamp the 2M head-tail tube 15;
Start the rotation driving mechanism, drive output pivot 4 through the rotation driving mechanism and rotate, drive synchronous pulley 1 and rotate, drive two-sided tooth hold-in range 2 through synchronous pulley 1, drive 2M head and tail pipe 15 synchronous rotation through the static friction between the external tooth of two-sided tooth hold-in range 2 and the straight line annular knurl on the 15 outer walls of 2M head and tail pipe, through 1 positive and negative rotations of rotation driving mechanism control synchronous pulley, realize screwing up or the pine soon of 2M head and tail pipe 15.
the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A kind of digital unit electric screwdriver, characterized by, including rotary mechanism, rotation driving mechanism and trumpet-shaped and opening can be opened, the tight adjustment mechanism of contraction, the said rotary mechanism includes the double-faced tooth hold-in range, n synchronous pulleys and n output spindle, n output spindles surround the equipartition along the inner wall of adjustment mechanism, the anterior sidewall of the said adjustment mechanism lies in and has notches between two adjacent output spindles, the end of each output spindle stretches out the tail end of adjustment mechanism and connects with rotation driving mechanism, the front end stretches out the open end of adjustment mechanism and connects with synchronous pulley, drive the output spindle to rotate through the rotation driving mechanism, thus drive the synchronous pulley to rotate synchronously, the said synchronous pulley has external toothing, the said double-faced tooth hold-in range has internal and external toothing at the same time, the said double-faced tooth hold-in range is fitted on n synchronous pulleys, its internal toothing meshes with the external toothing of n synchronous pulleys, wherein n is equal to or greater than 3.
2. the electric screwdriver as claimed in claim 1, wherein the rotary driving mechanism comprises a motor and n gear-end shafts, the output shaft of the motor is connected with a driving wheel, the driving wheel is meshed with n driven wheels uniformly distributed along the circumference of the driving wheel, one end of each gear-end shaft is connected with the driven wheel, and the other end of each gear-end shaft is connected with the output shaft.
3. the electric screwdriver as claimed in claim 2, wherein the rotary driving mechanism further comprises a coupling, and the gear end shaft is connected with the output end shaft through the coupling.
4. The electric screwdriver of claim 1, wherein the adjusting mechanism comprises a limiting sleeve and a flared and retractable chuck sleeved in the limiting sleeve, the limiting sleeve is fixed on the housing, n limiting discs are uniformly distributed at the opening of the chuck along the circumference of the chuck, the front end of the output shaft penetrates through the limiting discs to be connected with the synchronous pulley, and the opening of the chuck is adjusted by a buffer at the rear end of the chuck.
5. The electric screwdriver with several matching units as claimed in claim 4, wherein the buffer member comprises a chuck and a limiting rod, one end of the limiting rod is fixedly connected with the bottom of the chuck, the other end of the limiting rod passes through a limiting sleeve to be slidably connected with the limiting sleeve, a spring is sleeved on the limiting rod, one end of the spring is connected with the chuck, the other end of the spring is connected with the limiting sleeve, and the limiting sleeve, the shell and the control handle are an integrated piece.
6. the electric screwdriver with several matching units as claimed in claim 4, wherein n first notches are uniformly distributed and surrounded on the side wall of the front part of the limiting sleeve, n second notches are uniformly distributed and surrounded on the side wall of the front part of the chuck, one second notch is arranged between every two adjacent limiting discs, and the first notches and the second notches are directly opposite to each other.
7. a method of tightening and loosening a power screwdriver using a counter unit, the method comprising:
the 2M head tail pipe is attached to a double-sided tooth synchronous belt between any two adjacent synchronous belt wheels and is pushed forwards in the direction of the axis of the double-sided tooth synchronous belt, and the jumping teeth of the synchronous belt wheels move in the direction of the axis under the action of the reaction force of the 2M head tail pipe to clamp the 2M head tail pipe;
The rotary driving mechanism is started, the output end rotating shaft is driven to rotate through the rotary driving mechanism, the synchronous belt wheel is driven to rotate, the double-sided tooth synchronous belt is driven through the synchronous belt wheel, the 2M head and tail pipe is driven to synchronously rotate through static friction between the outer teeth of the double-sided tooth synchronous belt and straight-line knurls on the outer wall of the 2M head and tail pipe, and screwing or unscrewing of the 2M head and tail pipe is achieved.
8. The method of claim 7, further comprising: when the 2M head tail pipe is pushed forwards towards the axis direction of the double-sided tooth synchronous belt, the control handle is pushed towards the 2M head tail pipe, the spring is compressed, the chuck is pulled towards the limiting sleeve, and the opening of the chuck is contracted under the limitation of the limiting sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910771398.1A CN110561096A (en) | 2019-08-21 | 2019-08-21 | Numerical distribution unit electric screwdriver and method for loosening and tightening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910771398.1A CN110561096A (en) | 2019-08-21 | 2019-08-21 | Numerical distribution unit electric screwdriver and method for loosening and tightening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110561096A true CN110561096A (en) | 2019-12-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910771398.1A Pending CN110561096A (en) | 2019-08-21 | 2019-08-21 | Numerical distribution unit electric screwdriver and method for loosening and tightening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110561096A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202877849U (en) * | 2012-09-19 | 2013-04-17 | 苏州启睿达自动化设备有限公司 | Positive and negative double-sided synchronous belt transmission tightening mechanism |
| CN203061212U (en) * | 2012-12-28 | 2013-07-17 | 孔祥平 | Rice huller |
| CN106312894A (en) * | 2016-10-31 | 2017-01-11 | 国家电网公司 | Electric tightening and loosening device for tailstock of digital wiring unit and method |
-
2019
- 2019-08-21 CN CN201910771398.1A patent/CN110561096A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202877849U (en) * | 2012-09-19 | 2013-04-17 | 苏州启睿达自动化设备有限公司 | Positive and negative double-sided synchronous belt transmission tightening mechanism |
| CN203061212U (en) * | 2012-12-28 | 2013-07-17 | 孔祥平 | Rice huller |
| CN106312894A (en) * | 2016-10-31 | 2017-01-11 | 国家电网公司 | Electric tightening and loosening device for tailstock of digital wiring unit and method |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191213 |
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| RJ01 | Rejection of invention patent application after publication |