EP2723534A1 - Werkzeug zum ein- oder ausbauen eines zapfenlosen drahtgewindeeinsatzes - Google Patents
Werkzeug zum ein- oder ausbauen eines zapfenlosen drahtgewindeeinsatzesInfo
- Publication number
- EP2723534A1 EP2723534A1 EP12729135.9A EP12729135A EP2723534A1 EP 2723534 A1 EP2723534 A1 EP 2723534A1 EP 12729135 A EP12729135 A EP 12729135A EP 2723534 A1 EP2723534 A1 EP 2723534A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- blade
- tool
- spring
- driving blade
- axial recess
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims description 19
- 230000000295 complement effect Effects 0.000 claims description 2
- 238000005553 drilling Methods 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 12
- 238000010276 construction Methods 0.000 description 10
- 238000013461 design Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000004323 axial length Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 210000004905 finger nail Anatomy 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/143—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same for installing wire thread inserts or tubular threaded inserts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T279/00—Chucks or sockets
- Y10T279/17—Socket type
- Y10T279/17761—Side detent
- Y10T279/17786—Spring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/53—Means to assemble or disassemble
- Y10T29/53687—Means to assemble or disassemble by rotation of work part
- Y10T29/53691—Means to insert or remove helix
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/60—Biased catch or latch
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T403/00—Joints and connections
- Y10T403/60—Biased catch or latch
- Y10T403/602—Biased catch or latch by separate spring
Definitions
- the present invention relates to a tool for installing or removing a tangless wire thread insert, a manufacturing method therefor, and a method for manually changing a driving blade in such a tool.
- Such tools include a spindle body which usually has a drive portion and a threaded receiving portion for unscrewing the wire threaded insert.
- a driving blade is arranged inside this spindle body.
- This entrainment blade is an elongate construction with a central pivot point. This central pivot point is also often the point of attachment of the entrainment blade formed by a pin riveted in the spindle body.
- a blade projection is arranged, which engages in the wire thread insert.
- a spring is arranged so that the blade projection is resiliently biased into an engaged position in the wire thread insert.
- a similar tool is disclosed in EP 1 838 499.
- the arranged in the spindle body driving blade is also spring-biased here. The movement of the driving blade via a cutting edge storage, so that the driving blade inside the spindle body does not need to be riveted with a pin.
- the entire tool is relatively long. As a result, a specific work space is included The installation and removal of wire thread inserts required, which is unfavorable in some installation situations.
- the driving blades in particular the blade projections, wear after a certain number of insertion and / or removal cycles for wire thread inserts. Therefore, an exchange of the driving blade is required in order to continue to use the tool can.
- This replacement of the driving blade is complex, since with different tools, the middle pin must be removed to attach the driving blade. If the driving blade is not fastened with a central pin, tools are required to open the spindle body to remove the driving blade. The subsequent installation of the new driving blade with pin is possible only with tools and a relatively high amount of time, so that valuable operating time of the tool is lost.
- the tool according to the invention for installing or removing a tangless wire thread insert has the following features: a spindle body with a drive shaft a receiving portion, wherein the receiving portion has a thread for unthreading or a threadless surface for receiving the wire thread insert, a driving blade, which is arranged in an axial recess of the receiving portion and is spring-mounted in the radial direction by a spring in an engaged position, so that a Wire thread insert is vulnerable to the driving blade, while the driving blade in the axial recess by means of a fastening connection between the driving blade and the spindle body is manually attachable and interchangeable.
- the tool according to the invention differs from the prior art by the design and handling of the driving blade, with the help of the wire thread inserts can be installed and removed.
- this driving blade is installed in the spindle body, but it can be replaced without tools compared to the prior art.
- tools of the prior art require a punch and a hammer to remove a blade holding pin
- the catching blade of the present invention can be removed by the worker's finger or fingernail or a ballpoint pen. Neither tools nor complex and time-consuming steps are necessary.
- This tool-free replacement is based on the attachment of the driving blade inside the spindle body by means of a fastening connection.
- This attachment compound is manually produced and also solvable again, so that at any time a Mimahmeklinge can be removed from the spindle body and can be replaced by a new driving blade.
- This construction of the driving blade and its attachment in the spindle body, the maintenance of the tool described above is greatly reduced compared to the prior art. At the same time, however, the usual functionality of the tool for installing or removing a wire thread insert is retained.
- the driving blade comprises a negative or a positive fastening contour, which cooperates with a fitting contour of the spindle body formed within the recess.
- the entrainment blade has an extension running in the axial direction as a positive fastening contour, which projects into a suitable opening within the recess of the spindle. delbody engages. This matching opening correspondingly forms the negatively formed Aufsetzkontur the spindle body.
- the present invention also includes a tool for installing or removing a studless wire thread insert, comprising: a spindle body having a drive portion and a receiving portion, the receiving portion having a thread for unthreading or a threadless surface for receiving the wire thread insert Carrier blade, which is arranged in an axial recess of the receiving portion and is resiliently mounted in the radial direction by a spring in an engaged position, so that the wire thread insert is attacked by the Mit Spotifyn- ge, while the driving blade is formed integrally with the spring.
- the present inventive tool is characterized by the special shape of the driving blade, with the help of the wire thread inserts can be installed and removed.
- This driving blade is also manually interchangeable and thus does not require the tools required in the prior art.
- the driving blade is characterized by the fact that it forms an integral structure with the biasing spring. This design reduces the number of parts of the tool and reduces assembly and maintenance costs.
- the driving blade in combination with the spindle body is characterized by a mutually adapted fastening connection. Accordingly, the driving blade on a negative or positive fastening contour, which cooperates with a fitting thereto formed Aufsetzkontur the spindle body within the recess.
- the attachment connection is also preferred to realize the attachment connection as a latching connection, as explained in more detail below.
- the one-piece drive leaf with spring can also be permanently installed in the recess of the spindle body, as is generally known from the prior art.
- the entraining blade preferably has a latching bearing contour on one side, with which the entraining blade can be detachably latched within the axial recess.
- this latching bearing contour is resiliently positive, in particular U-shaped, or, according to a further embodiment, resiliently negative, in particular egg-shaped, and cooperates in each case with an abutment of the axial recess of the spindle body which is shaped complementary to the latching bearing contour.
- the latching bearing contour of the driving blade interacts with a corresponding counter bearing of the spindle body. If the latching bearing contour is U-shaped, it engages around the complementarily shaped abutment when installing the driving blade in the spindle body. It is also conceivable to form the latching bearing contour O-shaped, so that it can be releasably latched in a recess formed as an abutment.
- the anvil is integrally formed in the spindle body within the axial recess or secured within the axial recess in the form of a separate part.
- this is formed for example by erosion.
- the other alternative can be achieved by pressing in a corresponding counterbearing, which is then held in the axial recess via a press fit and forms a corresponding hold for the catchment blade latched thereto.
- it is likewise preferred to install a pin extending transversely to the longitudinal axis of the receiving section in the axial recess. Both on this adapter and on this transverse pin, the driving blade can be fastened or latched.
- the axial recess is realized within the spindle body through a bore in which a slotted support sleeve is fixed with transversely extending to the slot pin for securing the driving blade.
- the catchment blade is formed in combination with a spring U-shaped, so that at least one U-leg is formed by the driving blade and another U-leg by the spring.
- This constructive design ensures on the one hand a compact and space-saving design of the driving blade with spring. It also ensures that the spring is not lost when uninstalling or installing the driving blade, as it is connected to the driving blade.
- the driving blade and the spring form an integral structure. Another space-saving advantage results from the fact that driving blade and spring are arranged parallel to each other. While the prior art remote spring and drive blade assembly results in an elongated tool, the compact U-shaped detent blade and spring design disclosed herein realizes a short tool design compared to the prior art.
- the spring comprises at its axial end a projection projecting radially outwards, which extends in the longitudinal direction of the spring beyond a blade projection of the driving blade.
- This structural alternative ensures that the driving blade is installed in its proper orientation within the spindle body.
- the radially outwardly projecting projection of the spring blocks a mis-installation of the driving blade in the spindle body. In this way, the maintenance of the tool according to the invention is also reduced, since a time-consuming deinstallation of a wrong-installed driving blade is prevented.
- a manufacturing method for a tool for installing or removing a tangless wire thread insert comprising the following steps: producing a spindle body with a drive section and a threaded receiving section, creating an axial recess within the receiving section, preferably with a one-sided radial Window, making a Carrying blade and manually detachable connecting the driving blade via a mounting connection within the axial recess.
- the driving blade is structurally equipped with a fastening contour, preferably a detent bearing contour, which cooperates with a complementarily shaped abutment within the axial recess of the spindle body.
- a fastening contour preferably a detent bearing contour
- the driving blade is made in combination with a spring as an integral U-shaped structure, in particular eroded.
- a positive U-shaped detent bearing contour or a negative O-shaped detent bearing contour is preferably produced on the entrainment blade. Furthermore, according to a further embodiment of the manufacturing method according to the invention, the axial recess is eroded and the counter bearing is eroded or pressed within the axial recess.
- the spindle body in the axial direction to insert a support sleeve with transverse pin in the resulting bore.
- the inserted support sleeve with transverse pin forms the axial recess with an abutment, in and on which the driving blade with spring and positively U-shaped detent bearing contour is releasably fastened.
- the present invention also discloses a method of manually changing a picking blade in a tool for installing or removing a tapeless wire thread insert having the following structural features: a spindle body having a drive portion and a receiving portion, the receiving portion having a thread for unscrewing the wire thread insert, an entrainment blade disposed in an axial recess of the receiving portion and resiliently supported by a spring in an engaged position so that a wire thread insert is vulnerable to the entrainment blade, the method comprising the steps of: manually gripping the entrainment blade in the axial one Recess, withdrawing the driving blade from the axial recess and manually inserting and securing, preferably Verrastcn, another driving blade in the axial recess.
- the advantage of this method for manually changing the driving blade is that just no tool is required to remove, for example, a worn or defective driving blade from the spindle body and to be able to replace it with a new driving blade.
- This possibility is based on the design that the driving blade is attached via a manually releasable mounting or locking bearing contour to a complementarily shaped abutment within the axial recess.
- it is possible to replace the driver blade within the tool without tools and with little time.
- FIG. 1 shows a first preferred embodiment of the tool according to the invention
- FIG. 2 shows a second preferred embodiment of the tool according to the invention
- FIG. 3 shows a third preferred embodiment of the inventive tool, a preferred embodiment of the driving blade of the present invention, a further preferred embodiment of the driving blade of the present invention, the driving blade of Figure 4 in the installed state, the driving blade of Figure 5 in the installed state, a schematic representation of the installation of the driving blade in the tool, a schematic representation of a preferred Embodiment of the driving blade installed in the tool, a preferred embodiment of the driving blade spring with according to the present invention, a schematic representation of another preferred embodiment of the driving blade with spring in the installed state, an enlarged view of a section of Figure 1 1, a perspective view of a preferred embodiment of Mit Spotifykling with spring according to the present invention, a further preferred embodiment of the tool according to the invention, an enlarged view of an Au 13, a further preferred embodiment of the tool of the present invention, an enlarged view of a detail from FIG. 16, FIG. 18 shows a perspective sectional view of a further preferred embodiment of the tool of the present invention,
- FIG. 19 is an enlarged view of the support sleeve of FIG. 18;
- FIG. 20 shows a diagrammatic enlarged detail of a preferred spring construction of the present invention, a preferred embodiment of the fastening of the entrainment blade within the recess of the spindle body by means of a fastening structure,
- FIG. 22 shows a further preferred embodiment of the fastening of the driving blade within the recess of the spindle body with a fastening contour
- FIG. 23 shows a flow chart of a preferred manufacturing method for the tool according to the invention.
- FIG. 24 shows a flow chart of a preferred installation and de-installation method for the entrainment blade in the tool according to the invention.
- the exemplary tool 1 shown in FIGS. 1-3 is used for installing and removing a tapless wire thread insert D in a threaded hole of a component (not shown). Since such wire thread inserts D and the manner in which they are screwed into a threaded hole, are known, it will not be discussed further.
- the tool 1 comprises a spindle body 10, a depth stop sleeve T with counter sleeve K, a receiving portion 14 with thread 16 or a pin-like threadless surface (not shown) and a driving blade 20 with blade projection 22.
- the tool according to the invention 1 can also be used without depth stop sleeve T and counter sleeve K.
- the tool 1 is explained by way of example with a receiving section 14 with thread 16.
- the spindle body 10 is seen from left to right from a drive section 12, an intermediate portion and a receiving portion 14 together.
- the drive section 16 comprises a drive feature, for example a hexagon, which can be connected to a drive (not shown) for rotating the spindle body 10.
- the position of the depth stop sleeve T is freely adjustable on the thread 16 of the receiving portion 14, where it is verkontert using the counter sleeve K.
- the receiving portion 14 has an axial recess 30 in which the driving blade 20 is arranged.
- the axial recess 30 extends in the axial direction of the receiving portion 14. It is preferably formed slit-shaped.
- the axial recess 30 is also open on the end face of the spindle body 10 adjacent to the receiving portion 14 (see Fig. 2 and 18). In the radial direction with respect to the spindle body 10, the axial recess 30 is open in the region of a window 34 adjacent to the abovementioned front side of the spindle body 10.
- the window 34 is preferably formed so long that a blade projection 22 of the entrainment blade 20 for engaging the wire thread insert D can reach through the window 34.
- the radial outer wall of the axial recess 30 is formed closed. Due to the construction of the driving blade 20, as described in more detail below, the length of the tool 1 can be set arbitrarily and reduced to a minimum.
- the driving blade 20 is approximately half as long compared to known driving blades, so that the length of the tool 1 is determined by the required dimensions of drive section 12 and threaded portion 14. In this way, the tool 1 can be adjusted in its length to different installation conditions and customer requirements.
- the entrainment blade 20 comprises the already mentioned above blade projection 22 which engages through the radial window 34 on the wire thread insert D.
- the blade projection 22 may be formed differently in shape, as is also known and will not be explained in detail.
- the driving blade 20 comprises, in addition to the blade projection 22, a detent bearing contour 28; 28 ' .
- the latching bearing contour 28 is resiliently positive, preferably U-shaped, so that it forms a positive connection with a journal-like abutment 32 (compare FIGS. 4, 6, 8, 9, 10, 14, 15, 16, 18) ).
- the anvil 32 is formed adjacent or near the axial end of the axial recess 30 facing the drive portion 12.
- the abutment 32 consists of the abovementioned pin 32, which extends in the axial direction of the spindle body 10.
- the pin-like abutment 32 is formed by an adapter 40 with counter bearing 32, which is pressed into the axial recess 30, glued or otherwise secured there (see Figures 14 and 15).
- the pin 42 is arranged in a support sleeve 50 transversely to its longitudinal direction.
- the receiving portion 12 has been drilled in the axial direction beginning at the end face of the spindle body 10.
- the support sleeve 50 is fixed, preferably pressed or glued, the one in Has longitudinal slot 52.
- the slot 52 divides the support sleeve 50 into two mutually parallel opposite legs.
- the support sleeve 50 is closed at an axial end face, in the vicinity of which the holes 54 are provided.
- the pin 42 is arranged transversely to the longitudinal direction of the support sleeve 50 and the slot 52.
- the pin 42 is fixed in the support sleeve 50 and the support sleeve 50 subsequently fixed in the above-mentioned bore. Thus, no hole must be provided in the receiving portion 14 for the pin 42.
- the pin 42 passes through the radial outer wall of the receiving portion 14 and the support sleeve 50 and is fixed there.
- the use of the support sleeve 50 with pin 42 has the advantage that the axial recess 30 by simple processing steps, such as drilling, turning, milling and gluing or pressing, can be made.
- the detent bearing contour 28 ' is formed negatively, so that it releasably locked in an abutment 32 ' with an opening.
- the Rastiagerkontur 28 ' is O-shaped, as shown in FIGS. 11-13. As can be seen with reference to FIGS.
- the latching bearing contour 28 ' comprises a middle gap, so that two resilient legs lying opposite one another are formed. It is also conceivable to form the detent bearing contour 28 ' diamond-shaped and to adapt the shape of the abutment 32' in order to achieve a releasable locking.
- the entrainment blade 20 is formed with or without spring 24. Regardless of the spring 24, the driving blade 20 is releasably latched in the axial recess 30, as has been described above. 4 and 5 show the driving blade 20 without spring 24 with positive locking bearing contour 28 and negative locking bearing contour 28 ' .
- the driving blade 20 is releasably secured in the axial recess 30.
- a arranged in the axial recess 30 spring 24 thus biases the blade projection 22 into the engaged position in the wire thread insert D, so that the blade projection 22, the window 34 passes through.
- the spring 24 is preferably secured to the inner wall of the recess 30 or to the driving blade 20 at at least one of the points of contact between the spring 24 and the inner wall or between the spring 24 and driving blade 20.
- the entrainment blade 20 with the spring 24 forms an integral structure.
- This integral structure is preferably U-shaped, so that the driving blade 20 forms a U-leg and the spring 24 forms the opposite U-leg. Even with this integral structure, the spring 24 biases the driving blade 20 with blade projection 22 into the engaged position on the wire thread insert D, so that the blade projection 22 passes through the window 34 (see above).
- the integral structure of entrainment blade 20 and spring 24 is wire-eroded, so that it occupies only a small space.
- the spring 24 forming the U-leg at its axial end a projection 26.
- the projection 26 Preferably protrudes the projection 26 radially inwardly relative to the Spindeioasa 10 or extends in the direction of the blade projection 22.
- the radially inwardly projecting projection 26 is formed so large that the blade projection 22 can only spring radially inward to the extent that it releases the wire thread insert D. This minimizes the mechanical stresses on the resilient entrainment blade 20.
- the radially inwardly projecting projection 26 contributes to the fact that the frontal opening of the axial recess 30 is largely closed to reduce the ingress of dirt.
- this extends radially outward or in the opposite direction with respect to the blade projection 22 and in the longitudinal direction of the spring 24.
- the longitudinal extension of the projection 26 is greater than the axial length of the blade projection 22 with respect to the longitudinal direction of the driving blade 20. It is further preferred that the longitudinal extent of the projection 26 is greater than the axial length of the window 34 with respect to the receiving portion 14 (see Figures 13 and 20).
- the axial recess 30 of the receptacle 14 is radially open only on one side in the region of the window 34.
- the projection 26 extends radially outward and in the axial direction in the manner described above. If the integral structure is now used in such a way that the radially outwardly projecting projection 26 is arranged in the window 34, the longitudinal extent of the projection 26 prevents the integral structure from being installed. For installation namely the driving blade 20 and spring 24 are moved towards each other until the back of the blade projection 22 is supported on the radially inwardly projecting projection 26.
- the radially outwardly projecting protrusion 26 protrudes outward so far that the radial extent of the integral structure exceeds the inner opening of the axial recess 30.
- Another installation of the integral structure in the axial direction of the receiving section 14 is blocked by the end of the window 34 facing the drive section 12, as shown in FIG.
- the projection 26 ensures the installation of the integral structure of entrainment blade 20 and spring 24 in the proper orientation.
- the entrainment blade 20 is fastened in the recess 30 of the spindle body 10 by means of a latching connection. It is also preferable to fix the driving blade 20 by means of a fastening connection 29, 33 within the recess 30 of the spindle body 1.
- This fastening connection 29, 33 does not establish a latching connection between the entrainment blade 20 and the spindle body 10. Instead, this connection connection on the one hand to understand the known from the prior art connections between the spindle body 10 and driving blade 20 (not shown). That means using the fastening compound the entrainment blade 20 is installed by means of tools within the recess 30 of the spindle body 10. For this purpose, the entrainment blade 20, for example, at its projecting into the recess 30 in the end a closed eyelet, so that by means of a spindle body 10 passing pin, the driving blade within the recess 30 can be fastened. This pin and thus also the driving blade 20 is installed and uninstalled using tools (not shown).
- the attachment connection is a plug-in connection between entrainment blade 20 and spindle body 10.
- the entrainment blade 20 comprises a positive attachment contour 33, as shown for example in FIG. 21.
- This positive fastening contour 33 is similar to an axial extension or pin formed so that it extends in the axial longitudinal direction of the driving blade and the spindle body 10.
- the fastening contour 33 is preferably designed similar to a ball head, in order to enable a pivoting or resilient movement of the entrainment blade 20. It is likewise preferred to shape the fastening contour 33 in a manner similar to a pin, so that the resilient movement of the driving claw 20 is made possible solely by the resilient material properties of the entrainment blade 20.
- the positive fastening contour 33 of the entrainment blade 20 engages in a complementarily shaped negative fastening contour 29 of the spindle body 10 within the recess 30.
- the negative fastening contour 29 of the recess 30 forms a recess for receiving the positive fastening contour 33.
- a special configuration of this fastening connection between the spindle body 10 and the entrainment blade 20 is the detent connection 28, 32 already described above between the entrainment blade 20 and the spindle body 10.
- the entrainment blade 20 comprises a negative fastening contour 33 '.
- This negative fastening contour 33 ' is shown schematically in FIG. 22.
- This negative fastening contour 33 ' is shaped such that it can receive a positive fastening contour 29' of the spindle body 10.
- the positive fastening contour 29 'of the spindle body 10 is formed, for example, by a pin-like extension, an axial projection or a similar construction, which in axial Direction of the spindle body 10 extends within the recess 30 in the direction of the driving blade 20.
- a preferred embodiment of the negative fastening contour 33 ' is in a U-shaped contour which encompasses the positive fastening contour 29 ' . It is also conceivable that the negative fastening contour 33 'is formed by an annular construction whose enclosed annular surface is arranged perpendicular to the longitudinal axis of the driving blade 20. Due to this arrangement, the positive fastening contour 29 ' within the annular mounting contour 33 ' can be accommodated.
- the present invention also discloses a preferred manufacturing method for the tool 1 described above.
- An embodiment of this manufacturing method is illustrated by the flowchart in FIG.
- a first step S l the spindle body 10 with drive section 12 and receiving section 14 with thread 16 is produced.
- known manufacturing methods are used, which need not be discussed further here.
- the axial recess 30 is produced within the receiving section 14 with a one-sided radial window 34.
- the axial recess 30 is produced by erosion.
- the counter-bearing 32; 32 ' is eroded within the axial recess 30 according to a manufacturing alternative. It is also preferable that the abutment 32; 32 'separately as an adapter (see above) and then pressed into the axial recess 30, glued or fastened there in other ways.
- the receiving portion 14 is drilled in the axial direction in step S2a.
- the support sleeve 50 described above is used with the pin 42 so that the slot 52 of the support sleeve 50 forms the axial recess 30. It is also preferred to insert the pin 42 only after the insertion of the support sleeve 50 in the Bohrimg generated. In this case, the pin 42 also passes through holes in the receiving portion 14 in addition to the holes 54 in the support sleeve 50.
- the entrainment blade 20 with fastening contour 29, 29 'or detent bearing contour 28; 28 'hergesteilt. While other manufacturing method for producing the driving blade 20 mounting contour 29, 29 ' or with latching bearing contour 28; 28 'are applicable, the entrainment blade 20 is preferably with fastening contour 29, 29' or latching bearing contour 28; 28 'wire-eroded. According to a further preferred embodiment of this production step, the entrainment blade 20 is produced in combination with the spring 24 as an integral structure. According to the embodiment described above, this integral structure is preferably U-shaped.
- step S4 a connection of the fastening contour 29, 29 'or latching bearing contour 28 takes place; 28 'of the entrainment blade 20 with a corresponding abutment 32; 32 ' ; 40; 42 within the axial recess 30.
- the abutment is formed by a pin 32, a corresponding recess 32 ' , an adapter 40 with pin 32, an axial extension 33 or a pin 42, as has been explained in detail above.
- the connection between the entrainment blade 20 or the integral structure with the entrainment blade 20 can be produced manually and also released again.
- the present invention also discloses, with reference to the flow chart of FIG. 22, a preferred embodiment of a method for manually changing the deadweight.
- blade 20 in the tool 1 described above regardless of whether the driving blade 20 with fastening contour 29, 29 'or latching bearing contour 28; 28 'is formed alone or as an integral structure in combination with the spring 24, in a first step I, a manual gripping of the entrainment blade 20 in the axial recess 30.
- a second Scliritt II the entrainment blade 20 or the integral structure with Carrying blade 20 and spring 24 pulled out of the axial recess 30.
- a new driving blade 20 or a new integral structure with driving rings 20 and spring 24 is manually inserted into the axial recess 30 and fastened or latched there in step IV.
- This replacement process for the driving blade 20 requires no tools and can be realized in a small amount of time.
- tools of the prior art require a punch and a hammer to remove a blade holding pin
- the catching blade of the present invention can be removed by the worker's finger or fingernail or a ballpoint pen. Neither tools nor complex and time-consuming steps are necessary.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Milling Processes (AREA)
- Harvester Elements (AREA)
- Knives (AREA)
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011051846A DE102011051846B4 (de) | 2011-07-14 | 2011-07-14 | Werkzeug zum Ein- oder Ausbauen eines zapfenlosen Drahtgewindeeinsatzes, Herstellungsverfahren dafür und Verfahren zum manuellen Wechseln einer Mitnahmeklinge dieses Werkzeugs |
PCT/EP2012/062141 WO2013007498A1 (de) | 2011-07-14 | 2012-06-22 | Werkzeug zum ein- oder ausbauen eines zapfenlosen drahtgewindeeinsatzes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2723534A1 true EP2723534A1 (de) | 2014-04-30 |
EP2723534B1 EP2723534B1 (de) | 2017-10-18 |
Family
ID=46331328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12729135.9A Active EP2723534B1 (de) | 2011-07-14 | 2012-06-22 | Werkzeug zum ein- oder ausbauen eines zapfenlosen drahtgewindeeinsatzes |
Country Status (6)
Country | Link |
---|---|
US (1) | US9764454B2 (de) |
EP (1) | EP2723534B1 (de) |
JP (1) | JP5959638B2 (de) |
CN (1) | CN103747920B (de) |
DE (1) | DE102011051846B4 (de) |
WO (1) | WO2013007498A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3131703B1 (de) * | 2014-04-07 | 2019-11-13 | Newfrey LLC | Einführungswerkzeug |
AT517753B1 (de) * | 2015-09-15 | 2019-03-15 | Fill Gmbh | Werkzeug und Verfahren zum Montieren von Gewindeeinsätzen |
CN105171672B (zh) * | 2015-10-26 | 2017-03-22 | 新乡巴山航空材料有限公司 | 一种无安装柄钢丝螺套安装工具 |
DE102016114824A1 (de) | 2016-08-10 | 2018-02-15 | Böllhoff Verbindungstechnik GmbH | Werkzeug zum Ein- oder Ausbauen eines Drahtgewindeeinsatzes und Herstellungsverfahren dafür |
CN107775591A (zh) * | 2016-08-31 | 2018-03-09 | 天津电力机车有限公司 | 一种深孔安装的钢丝螺套拆卸方法 |
USD808444S1 (en) * | 2016-11-14 | 2018-01-23 | Frederick L. Baranski | Blade threading device |
DE102016125481A1 (de) | 2016-12-22 | 2018-06-28 | Böllhoff Verbindungstechnik GmbH | Einbauwerkzeug für einen Drahtgewindeeinsatz |
DE102018100832A1 (de) | 2018-01-16 | 2019-09-19 | Böllhoff Verbindungstechnik GmbH | Einbauwerkzeug für einen Drahtgewindeeinsatz |
CN109434431B (zh) * | 2018-12-29 | 2021-01-26 | 重庆百吉四兴压铸有限公司 | 箱盖用钢丝螺套的自动装配机 |
DE102019205356A1 (de) * | 2019-04-12 | 2020-10-15 | Zf Friedrichshafen Ag | Verfahren zur Herstellung einer Verbindung zwischen zwei Bauteilen |
DE102020118057B4 (de) | 2020-02-07 | 2024-05-08 | Völkel GmbH | Werkzeug zum Ein- und/oder Ausbau eines zapfenlosen Gewindeeinsatzes |
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US62057A (en) * | 1867-02-12 | Improvement in attaching bits to braces | ||
US1963462A (en) * | 1932-06-02 | 1934-06-19 | Economy Tool Mfg Company | Tool handle |
US2111785A (en) * | 1936-01-06 | 1938-03-22 | Hardsocg Mfg Company | Detachable fastening for drill bits |
US3246930A (en) * | 1961-08-14 | 1966-04-19 | Cincinnati Mine Machinery Co | Means for holding tool shanks in socket members |
US3153852A (en) * | 1963-07-29 | 1964-10-27 | Gen Electric | Blade connection means for poweroperated slicing knife |
US3861039A (en) * | 1973-12-03 | 1975-01-21 | Earl S Truax | Electric knife |
US4553303A (en) | 1984-02-21 | 1985-11-19 | Rexnord Inc. | Removal tool for tangless, helically coiled insert |
US4528737A (en) | 1984-02-21 | 1985-07-16 | Rexnord Inc. | Adapter for power tool installation of tangless helically coiled insert |
US4553302A (en) * | 1984-02-21 | 1985-11-19 | Rexnord Inc. | Installation tool, tangless helically coiled insert |
US5456145A (en) * | 1993-02-16 | 1995-10-10 | Kato Spring Works Company, Ltd. | Installation tool for tangless helically coiled insert |
US6000114A (en) * | 1997-12-31 | 1999-12-14 | Emhart Inc. | Insertion tool |
JP3983379B2 (ja) * | 1998-05-22 | 2007-09-26 | 株式会社アドバネクス | タングレスコイルスレッド用工具 |
TW419415B (en) * | 1999-08-20 | 2001-01-21 | Nippon Sprew Co Ltd | Tang break-off tool |
DE202005000947U1 (de) | 2005-01-20 | 2005-04-21 | Böllhoff Verbindungstechnik GmbH | Werkzeug zum Ein- und/oder Ausbauen eines zapfenlosen Drahtgewindeeinsatzes |
CN2925771Y (zh) * | 2006-06-08 | 2007-07-25 | 富港电子(东莞)有限公司 | 可携式抓取治具 |
CN201736184U (zh) * | 2010-05-18 | 2011-02-09 | 无锡银联机械有限公司 | 钢丝螺套的简易安装工具 |
CN201769170U (zh) * | 2010-07-06 | 2011-03-23 | 国营红阳机械厂 | 小孔径钢丝螺套安装工具 |
JP5639443B2 (ja) * | 2010-11-08 | 2014-12-10 | 株式会社アキュレイト | タングレスコイルスレッド用工具 |
JP5815471B2 (ja) * | 2012-05-29 | 2015-11-17 | 日本スプリュー株式会社 | タング無し螺旋状コイルインサート抜取り工具 |
JP5873525B2 (ja) * | 2013-09-02 | 2016-03-01 | 株式会社アドバネクス | タングレスコイルスレッド用工具 |
JP5933680B1 (ja) * | 2014-12-19 | 2016-06-15 | 株式会社アドバネクス | タングレスコイルスレッド用工具 |
-
2011
- 2011-07-14 DE DE102011051846A patent/DE102011051846B4/de active Active
-
2012
- 2012-06-22 EP EP12729135.9A patent/EP2723534B1/de active Active
- 2012-06-22 US US14/126,747 patent/US9764454B2/en active Active
- 2012-06-22 CN CN201280034833.9A patent/CN103747920B/zh active Active
- 2012-06-22 JP JP2014519483A patent/JP5959638B2/ja not_active Expired - Fee Related
- 2012-06-22 WO PCT/EP2012/062141 patent/WO2013007498A1/de active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2013007498A1 * |
Also Published As
Publication number | Publication date |
---|---|
US20140373326A1 (en) | 2014-12-25 |
JP2014520678A (ja) | 2014-08-25 |
JP5959638B2 (ja) | 2016-08-02 |
CN103747920B (zh) | 2016-12-21 |
CN103747920A (zh) | 2014-04-23 |
DE102011051846B4 (de) | 2013-01-24 |
WO2013007498A1 (de) | 2013-01-17 |
EP2723534B1 (de) | 2017-10-18 |
US9764454B2 (en) | 2017-09-19 |
DE102011051846A1 (de) | 2013-01-17 |
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