CN217253432U - Auxiliary positioning device for manual screw tap - Google Patents

Abstract

The utility model relates to a manual screw tap auxiliary positioning device, including magnetic force seat, rotary device, horizontal adjustment device and screw tap positioning seat, the magnetic force seat is fixed at the workpiece surface, rotary device installs on the magnetic force seat, horizontal adjustment device installs on rotary device, the screw tap positioning seat is installed horizontal adjustment device's tip, the screw tap is fixed on the screw tap positioning seat. The utility model discloses not only less correction personnel, positioning accuracy is high, has also improved production efficiency simultaneously by a wide margin, has stable manual tapping and draws first effect, has guaranteed the quality of manual tapping.

Description

Auxiliary positioning device for manual screw tap

Technical Field

The utility model relates to a positioner, in particular to hand tap auxiliary positioning device.

Background

The threaded connection is a common connection mode of the railway vehicle bogie, and the quality of thread tapping is crucial to the driving safety. The manual tapping by a fitter has the advantages of strong applicability, flexibility, no mechanical vibration in the tapping process and the like, and is frequently applied in the production process.

In general, in manual tapping, a screw tap is placed at an opening of a threaded bottom hole of a workpiece to be machined, manual adjustment is performed, it is determined that the threaded bottom hole of the workpiece is coaxial with the screw tap, and then tapping is performed. The screw tap that artifical tapping was used requires highly to operating skill, and difficult assurance tapping quality need use the bevel protractor to carry out a lot of measurements, adjustment, leads the head to produce easily plug gauge to detect unqualified and the screw hole straightness out of plumb's quality problem to the tapping of perpendicular and inclined plane, leads to spare part to make unqualifiedly. In addition, manual tapping can only finish one threaded hole once, and when tapping different threaded holes, the threaded holes need to be repositioned and adjusted, so that the production efficiency is further reduced.

When tapping begins, because the screw tap just enters the bolt hole, the screw tap is easy to shift when the screw tap is rotated, so that workpieces are scrapped or the screw tap is broken, and even operators are injured. And when using equipment to carry out the tapping, although the straightness that hangs down of screw hole and machined surface is fine, but production efficiency is low, restriction production progress, and the screw tap specification is unchangeable, and the commonality is relatively poor, and when adopting the tight form installation screw tap of clamp simultaneously, the tight process of adjustment clamp is more complicated, and application range also has certain limitation, makes production efficiency low equally.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves provides one kind and can improve production efficiency, and positioning accuracy is high, can guarantee manual tapping quality's manual screw tap assistance-positioning device.

In order to achieve the above object, the first technical solution of the present invention is:

the utility model provides a manual screw tap auxiliary positioning device, includes magnetic base, rotary device, horizontal adjustment device and screw tap positioning seat, the magnetic base is fixed on the workpiece surface, rotary device installs on the magnetic base, horizontal adjustment device installs on rotary device, the screw tap positioning seat is installed horizontal adjustment device's tip, the screw tap is fixed on the screw tap positioning seat.

Further, the horizontal adjusting device comprises an upper pressing plate, a lower pressing plate and a linear guide rail, the lower pressing plate is fixed on the rotating device, the upper pressing plate is fixedly connected with the lower pressing plate, the linear guide rail is installed between the upper pressing plate and the lower pressing plate and can slide in the direction parallel to the surface of a workpiece, and the screw tap positioning seat is fixed at the end of the linear guide rail.

Further, a first locking bolt is mounted on the upper pressure plate and used for fixing the linear guide rail below the upper pressure plate.

Furthermore, an opening matched with the end part of the linear guide rail in shape is formed in the screw tap positioning seat, and the screw tap positioning seat is inserted into the linear guide rail and is fixed through a second locking bolt.

Furthermore, at least one pair of limiting blocks used for limiting the horizontal moving direction of the linear guide rail is arranged on two sides of the linear guide rail.

Further, the magnetic base is fixedly connected with the rotating device through a stainless steel bolt, and a copper gasket is arranged between the magnetic base and the rotating device.

Furthermore, the rotating device comprises a rotating base, a thrust ball type thrust bearing is installed in an inner cavity of the rotating base, an inner ring of the thrust ball type thrust bearing is fixedly connected with the horizontal adjusting device, and an outer ring of the thrust ball type thrust bearing is fixedly connected with the rotating base.

Further, the screw tap positioning seat is of a stepped structure, the horizontal adjusting device extends out towards the magnetic seat, and the screw tap is installed at one end parallel to the surface of the workpiece.

Furthermore, an installation opening is formed in the screw tap positioning seat, a positioning sleeve which can be replaced according to the size of the screw tap is installed in the installation opening, and the screw tap is installed in the positioning sleeve.

Furthermore, the locating sleeve is fixed in the mounting opening through a third locking bolt.

To sum up, the utility model provides a manual screw tap auxiliary positioning device compares with prior art, has following advantage:

(1) this auxiliary positioning device passes through the magnetic force seat and realizes the device and treat the fixed between the tapping workpiece surface, realizes 360 rotations and the location regulation of screw tap in the horizontal direction through rotary device and horizontal adjusting device simultaneously for among the manual tapping lead operation process, no longer need artifical supplementary alignment, not only less correction personnel, positioning accuracy is high, has also improved production efficiency simultaneously by a wide margin, has stable manual tapping lead effect, has guaranteed the quality of manual tapping.

(2) This auxiliary positioning device is through the structure that can 360 rotations, realizes the porous quick location on the same circumference, has reduced the operation degree of difficulty and has reduced the tapping and has drawn first time, is applicable to single position multiple thread hole structure, has alleviated equipment machining pressure, has solved the problem that equipment draws first restriction production progress, has further promoted the operating efficiency that artifical tapping led first, and single product can practice thrift 32 min.

(3) The replaceable positioning sleeve is installed on the screw tap positioning seat in the auxiliary positioning device, and then the screw tap is installed in the positioning sleeve, so that the auxiliary positioning device can be suitable for all vehicle types to carry out the process construction places and other places needing the operation, the screw tap replacement of different specifications is met, the application and popularization range is wide, and the universality is high.

(4) This auxiliary positioning device passes through no electromagnetic force seat and workpiece surface fixed, can make the device be applicable to the tapping location regulation of horizontal plane, vertical plane and inclined plane, and application scope is wide, no work piece structural limitation, convenient and fast, safe and reliable moreover.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, the illustrative embodiments and the description of the invention serve to explain the invention without unduly limiting the invention. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic structural diagram of the positioning device of the present invention.

As shown in fig. 1, the magnetic base 1, the rotating device 2, the rotating base 21, the bolt 22, the horizontal adjusting device 3, the upper press plate 31, the lower press plate 32, the linear guide rail 33, the bolt 34, the first locking bolt 35, the tap positioning seat 4, the opening 41, the second locking bolt 42, the mounting opening 43, the third locking bolt 44, the copper gasket 5, the positioning sleeve 6, and the limiting block 7.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.

As shown in figure 1, the utility model provides a pair of manual screw tap auxiliary positioning device for fixed mounting screw tap (not shown in the figure), the quick location of realization screw tap.

The auxiliary positioning device comprises a magnetic base 1, a rotating device 2, a horizontal adjusting device 3 and a tap positioning base 4. Magnetic base 1 is fixed on the workpiece surface, and rotary device 2 installs on magnetic base 1, and horizontal adjustment device 3 installs on rotary device 2, and horizontal adjustment device 2's tip is installed to screw tap positioning seat 4, and the screw tap is fixed on screw tap positioning seat 4.

Specifically, the magnetic base 1 is used for being adsorbed on a metal surface of a workpiece to be tapped by using magnetic force, and the magnetic base 1 has a certain bottom surface area so as to ensure a contact area with the surface of the workpiece to be tapped and ensure the stability of the device. Adopt magnetic force seat 1 fixed, not only can be easy to assemble, can also guarantee that the device is stably fixed at the metal surface, can not produce the displacement at will in location and tapping process, and influence location efficiency, simultaneously, adopt the mode of electroless magnetic force seat absorption location, do not receive the limitation of waiting to tap the work piece structure, make the device application scope wider, the commonality is strong.

The rotating device 2 is installed on the magnetic base 1 and installed on the top surface of the magnetic base 1, in the embodiment, the bottom surface and the top surface of the magnetic base 1 are parallel to each other, the rotating device 2 is guaranteed to rotate in a plane parallel to the surface of a workpiece, the device is applicable to tapping positioning adjustment of a horizontal plane, a vertical plane and an inclined plane, and the application range is wider.

The rotating device 2 comprises a rotating base 21, and the rotating base 21 is fixed on the magnetic base 1 through a plurality of bolts 22. The rotating base 21 is a cylindrical structure, a thrust ball type thrust bearing (not shown in the figure) is installed in an inner cavity of the rotating base 21, an inner ring of the thrust ball type thrust bearing is fixedly connected with the horizontal adjusting device 3 above, and an outer ring of the thrust ball type thrust bearing is fixedly connected with the rotating base 21. An operator can realize 360-degree rotation of the horizontal adjusting device 3 by manually pushing the horizontal adjusting device 3, and the thrust ball type thrust bearing is used as a rotating piece, so that the rotating precision of the rotating device 2 can be ensured.

The main part of rotating base 21 is the tubular structure, and the bottom of tubular structure has square base, and the area of base is greater than the cylindric area in top, and the great base of area is favorable to increasing the area of contact between rotary device 2 and the magnetic force seat 1, makes rotary device 2 fix more firmly stable. The square base of the rotating base 21 is fixed on the magnetic base 1 by four bolts 22.

In this embodiment, in order to avoid the magnetic force of the magnetic base 1 fading away in the using process, the bolt 22 for the fixed connection between the magnetic base 1 and the rotating base 21 is a stainless steel bolt, and meanwhile, the copper gasket 5 is installed between the magnetic base 1 and the rotating base, and the structure of the copper gasket 5 is utilized to further play a role in alleviating the fading away of the magnetic force of the magnetic base 1, so as to ensure the stable and fixed connection between the magnetic base 1 and the surface of the workpiece.

The leveling device 3 is installed above the rotating device 2, in this embodiment, the leveling device 3 includes an upper pressing plate 31, a lower pressing plate 32 and a middle linear guide 33, the lower pressing plate 32 is fixed on the rotating device 2, and the linear guide 33 is installed between the upper pressing plate 31 and the lower pressing plate 32.

Wherein, the center of the lower pressing plate 32 protrudes downwards to form an installation platform (not shown in the figure), the installation platform is fixedly connected with the inner ring of the thrust ball type thrust bearing in the rotating device 2 in an interference fit manner, and then the horizontal adjusting device 3 is fixed on the rotating device 2, so that the 360-degree rotation of the horizontal adjusting device 3 is realized.

The upper press plate 31 and the lower press plate 32 are both square plates, can be made of metal plates, can also be made of plastic plates, nylon plates and the like, the upper press plate 31 and the lower press plate 32 are fixedly connected together through four bolts 34 arranged at four corners, and the linear guide rail 33 is limited between the upper press plate 31 and the lower press plate 32, so that the linear guide rail 33 cannot move in the vertical direction and can only slide in the horizontal direction. The sliding direction of the linear guide 33 is parallel to the bottom surface of the magnetic base 1, i.e. parallel to the surface of the workpiece, and the sliding direction of the linear guide 33 can be ensured to be parallel to the surface of the workpiece no matter whether the surface of the workpiece is a vertical surface, a horizontal surface or an inclined surface. The linear guide 33 is used for adjusting the position in the horizontal direction, so that the positioning accuracy is improved, the linear guide 33 is small in abrasion, and the service life of the horizontal adjusting device 3 is prolonged.

The upper pressing plate 31 is provided with a first locking bolt 35, the center of the upper pressing plate 31 is provided with an internal thread hole (not shown in the figure), the first locking bolt 35 is in threaded connection with the internal thread hole, the first locking bolt 35 penetrates through the internal thread hole of the upper pressing plate 31 to tightly push the linear guide rail 33 below, the linear guide rail 33 can be fixed at any position, the first locking bolt 35 is loosened, and the horizontal extension length of the linear guide rail 33 can be adjusted.

At least one pair of limiting blocks 7 used for limiting the horizontal moving direction of the linear guide rail 33 are arranged on two sides of the linear guide rail 33, so that the linear guide rail 33 can only slide along one direction, the horizontal direction deviation cannot occur in the sliding process, and the positioning is ensured to be rapid and accurate. At least two side surfaces of the linear guide rail 33 are provided with concave cambered surfaces, and one surface of the limiting block 7 opposite to the linear guide rail 33 is provided with a convex cambered surface matched with the linear guide rail 33, so that the mutually nested cambered surfaces can play a role in guiding the linear guide rail 33 and limit the sliding direction. The top surface of the linear guide 33 is provided with an elongated groove (not shown), the end of the first locking bolt 35 is inserted into the groove to tightly support the linear guide 33, and the first locking bolt 35 can play a certain guiding role without being separated from the groove in a loosening state.

The tap positioning seat 4 is fixed at the end part of one end of the linear guide rail 33, an opening 41 is arranged on the tap positioning seat 4, the shape of the opening 41 is matched with the shape of the end part of the linear guide rail 33, in the embodiment, preferably, the linear guide rail 33 adopts a structure with a roughly square section, the opening 41 also adopts a matched square opening, one end of the linear guide rail 33 is inserted into the opening 41, and through the limitation of the square opening 41, the relative rotation between the tap positioning seat 4 and the linear guide rail 33 can be avoided, so that the rapid positioning is convenient, and the positioning accuracy is ensured.

A threaded hole (not shown) is formed in the top of the tap positioning seat 4, a second locking bolt 42 is installed in the threaded hole, the second locking bolt 42 is in threaded connection with the threaded hole, the tap positioning seat 4 is fixedly installed on the middle linear guide 33 through the second locking bolt 42, and the tap positioning seat 4 can be taken down from the linear guide 33 by loosening the second locking bolt 42.

The extension length of the linear guide rail 33 is adjusted as required, the extension length of the linear guide rail 33 is fixed through the first locking bolt 35, the linear guide rail 33 can rotate around the axis of the rotating device 2, the screw tap at one end can rotate around the axis of the rotating device 2 after being installed, the screw tap can tap a plurality of threaded holes in a concentric circle through rotation, and one-time positioning and multi-hole tapping effects are achieved.

In this embodiment, preferably, the tap positioning seat 4 is of a stepped structure, more preferably, the tap positioning seat 4 is of an L-shaped structure, the linear guide rail 33 extends in the direction of the magnetic seat 1, the tap is mounted at one end parallel to the surface of the workpiece, and the positioning height of the tap is reduced by the stepped structure.

The tap positioning seat 4 is provided with a mounting hole 43, a positioning sleeve 6 which can be replaced according to the size of the tap is mounted in the mounting hole 43, the tap is mounted in the positioning sleeve 6, and the positioning sleeve 6 plays a role in guiding the tap. One end of the tap positioning seat 4 corresponding to the mounting hole 43 is provided with a threaded hole, a third locking bolt 44 is mounted in the threaded hole, the third locking bolt 44 is in threaded connection with the threaded hole, and the positioning sleeve 6 is fixed in the mounting hole 43 through the third locking bolt 44. The positioning sleeve 6 can be made into different models according to the diameter of the tap taper shank, and can be quickly replaced according to the diameter of the tap taper shank.

The use steps are as follows:

(1) the opening 41 of the tap mounting seat 4 is fitted over the end of one end of the linear guide 33, and the second locking bolt 42 is tightened to fix the tap mounting seat 4 to the linear guide 33.

(2) The magnetic base 1 is fixed on the surface of the workpiece in an adsorption way.

(3) The first lock bolt 35 is loosened, the linear guide 33 is slid on a plane parallel to the plane of the workpiece, and after adjusting to a desired extension length, the first lock bolt 35 is tightened to fix the extension length of the linear guide 33.

(4) And selecting a required positioning sleeve 6 according to the diameter of the taper shank of the tap, inserting the positioning sleeve 6 into the mounting hole 43 of the tap positioning seat 4, and tightening the third locking bolt 44 to fix the positioning sleeve 6 in the mounting hole 43.

(5) And rotating the screw tap positioning seat 4 to enable the screw tap positioning seat to rotate around the axial lead of the rotating device 2, and adjusting the screw tap positioning seat to a tapping position to finish tapping operation.

When tapping a plurality of threaded holes on the concentric circle, the extension length of the linear guide rail 33 does not need to be adjusted, and only the tap positioning seat 4 needs to be rotated.

This auxiliary positioning device passes through magnetic base 1 and realizes the device and treat the fixed between the tapping workpiece surface, realizes 360 rotations and the location regulation of screw tap on the horizontal direction simultaneously through rotary device 2 and horizontal adjusting device 3 for among the manual tapping draw head operation process, no longer need artifical supplementary alignment, not only less correction personnel, positioning accuracy is high, production efficiency has also been improved simultaneously by a wide margin, stable manual tapping draw head effect has, the quality of manual tapping has been guaranteed.

This auxiliary positioning device is through the structure that can 360 rotations, realizes the porous quick location on the same circumference, has reduced the operation degree of difficulty and has reduced the tapping and has drawn first time, is applicable to single position multiple thread hole structure, has alleviated equipment machining pressure, has solved the problem that equipment draws first restriction production progress, has further promoted the operating efficiency that artifical tapping led first, and single product can practice thrift 32 min.

The replaceable positioning sleeve 6 is mounted on the screw tap positioning seat 4 in the auxiliary positioning device, and then the screw tap is mounted in the positioning sleeve 6, so that the auxiliary positioning device can be suitable for places where all vehicle models are subjected to process construction and other places where operation is needed, screw tap replacement of different specifications is met, the application and popularization range is wide, the universality is high, and the installation and the replacement are very simple and convenient.

This auxiliary positioning device passes through no electromagnetic force seat 1 and workpiece surface fixed, can make the device be applicable to horizontal plane, vertical plane and inclined plane's tapping location regulation, and application scope is wide, does not have work piece structure limitation, convenient and fast, safe and reliable moreover.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims (10)

1. The utility model provides a manual screw tap auxiliary positioning device which characterized in that: the magnetic force seat is fixed on the surface of a workpiece, the rotating device is installed on the magnetic force seat, the horizontal adjusting device is installed on the rotating device, the screw tap positioning seat is installed at the end of the horizontal adjusting device, and the screw tap is fixed on the screw tap positioning seat.

2. The auxiliary positioning device for a hand tap according to claim 1, wherein: the horizontal adjusting device comprises an upper pressing plate, a lower pressing plate and a linear guide rail, the lower pressing plate is fixed on the rotating device, the upper pressing plate is fixedly connected with the lower pressing plate, the linear guide rail is installed between the upper pressing plate and the lower pressing plate and can slide in the direction parallel to the surface of a workpiece, and the screw tap positioning seat is fixed at the end part of the linear guide rail.

3. The hand tap assist positioning device according to claim 2, wherein: and a first locking bolt is arranged on the upper pressure plate and used for fixing the linear guide rail below the upper pressure plate.

4. The hand tap assist positioning device according to claim 2, wherein: the screw tap positioning seat is provided with an opening matched with the end part of the linear guide rail in shape, and the screw tap positioning seat is inserted into the linear guide rail and is fixed through a second locking bolt.

5. The hand tap auxiliary positioning device according to claim 2, wherein: and at least one pair of limiting blocks used for limiting the horizontal moving direction of the linear guide rail are arranged on two sides of the linear guide rail.

6. The auxiliary positioning device for a hand tap according to claim 1, wherein: the magnetic base is fixedly connected with the rotating device through a stainless steel bolt, and a copper gasket is arranged between the magnetic base and the rotating device.

7. The auxiliary positioning device for a hand tap according to claim 1, wherein: the rotating device comprises a rotating base, a thrust ball type thrust bearing is installed in an inner cavity of the rotating base, an inner ring of the thrust ball type thrust bearing is fixedly connected with the horizontal adjusting device, and an outer ring of the thrust ball type thrust bearing is fixedly connected with the rotating base.

8. The auxiliary positioning device for a hand tap according to claim 1, wherein: the screw tap positioning seat is of a stepped structure, the horizontal adjusting device extends out towards the magnetic seat, and the screw tap is installed at one end parallel to the surface of the workpiece.

9. The auxiliary positioning device for a manual tap according to any one of claims 1 to 8, wherein: the screw tap positioning seat is provided with a mounting hole, a positioning sleeve which can be replaced according to the size of the screw tap is mounted in the mounting hole, and the screw tap is mounted in the positioning sleeve.

10. The hand tap assist positioning device according to claim 9, wherein: the positioning sleeve is fixed in the mounting hole through a third locking bolt.

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