CN115592442A - Taper shank clamp and use method thereof - Google Patents

Abstract

The invention relates to the technical field of clamps, and discloses a taper shank clamp and a using method thereof, wherein the taper shank clamp is used for positioning and fixing a taper shank, the taper shank is provided with a conical surface, and the taper shank clamp comprises: a mounting seat; the positioning mechanism comprises a positioning seat, a positioning rod and a plurality of floating positioning blocks, wherein the positioning seat is provided with a taper hole, and the plurality of floating positioning blocks are movably arranged in the taper hole; one end of the positioning rod extends into the taper hole; the clamping mechanism comprises a driving piece and a plurality of clamping blocks, each clamping block is provided with a clamping position and a clamping releasing position, and the driving piece can drive the clamping blocks to move between the clamping positions and the clamping releasing positions; the locking mechanism comprises a locking piece and a unlocking component, wherein the locking piece is arranged in the mounting seat and used for locking the driving piece; the unlocking assembly is connected with the locking piece and can drive the locking piece to unlock from the driving piece. The taper shank fixture has the advantages of high positioning precision, reliable clamping and convenient positioning and clamping operation.

Description

Taper shank clamp and use method thereof

Technical Field

The invention relates to the technical field of clamps, in particular to a taper shank clamp and a using method of the taper shank clamp.

Background

The taper shank type part is provided with a conical surface on the outer surface, and compared with square and round parts, the conical surface is inconvenient to position and clamp. When the taper shank type part needs to be machined, the taper shank has to be positioned and clamped, and therefore the machining precision of the taper shank can be guaranteed.

The existing taper shank clamp is generally special, namely a taper shank corresponds to a special clamp, and when the manufacturing precision of the taper shank is not high, the positioning precision of the taper shank clamp is poor. And in the using process, the clamping and loosening operations of the taper shank are troublesome.

For example, patent "CN207629606U" discloses a special taper shank milling cutter fixture device for a boring machine, which comprises a fixing hole, a fixing cover, a rectangular surface, a fixing groove, a fixing block, a separation groove, a spring gasket, a fixing rod, a hook groove, an internal thread, a rod head, an external thread, a rod seat, an accommodating groove and a taper shank. In the clamp, when the manufacturing precision of the taper shank milling cutter is low, the positioning precision is also low, the positioning precision of the taper shank positioned by the clamp cannot be ensured, and the positioning and clamping operation is troublesome.

Disclosure of Invention

Aiming at the defects in the prior art, the technical problem to be solved by the invention is as follows: the taper shank clamp is high in positioning accuracy, convenient to operate and reliable in clamping, and the application method of the taper shank clamp is provided.

The technical scheme adopted by the invention for solving the technical problem is to provide a taper shank clamp which is used for positioning and fixing a taper shank, wherein the taper shank is provided with a conical surface, and the taper shank clamp comprises:

a mounting base;

the positioning mechanism is arranged on the mounting seat and comprises a positioning seat, a positioning rod and a plurality of floating positioning blocks, the positioning seat is arranged on the mounting seat, and a taper hole is formed in the positioning seat; the plurality of floating positioning blocks are movably arranged in the taper holes and are arranged along the circumferential direction of the taper holes; the positioning rod is arranged on the mounting seat, and one end of the positioning rod extends into the taper hole;

the clamping mechanism is arranged on the mounting seat and comprises a driving piece and a plurality of clamping blocks which are movably arranged, the clamping blocks are provided with a clamping position and a releasing position, and the driving piece can drive the clamping blocks to move between the clamping position and the releasing position;

the locking mechanism comprises a locking piece and a unlocking component, the locking piece is arranged in the mounting seat and movably abutted against the driving piece, and the locking piece is used for locking the driving piece; the unlocking assembly is movably arranged in the mounting seat and connected with the locking piece, and the unlocking assembly can drive the locking piece to unlock from the driving piece.

Furthermore, one end of the locking piece is hinged to the mounting seat, the other end of the locking piece movably offsets with the driving piece, and the unlocking assembly is connected to the middle of the locking piece.

Furthermore, one end of the locking piece is hinged to the mounting seat through a first pin shaft, one end of the locking piece, which is far away from the first pin shaft, is provided with a roller, and the roller movably abuts against the driving piece;

the unlocking component can drive the locking piece to rotate along the first pin shaft, and the roller rolls along the driving member.

Furthermore, the unlocking assembly comprises a connecting rod and a connecting seat, the connecting seat is movably arranged in the mounting seat, one end of the connecting rod is hinged with the connecting seat, and the other end of the connecting rod is hinged with the middle part of the locking piece;

when the locking piece locks the driving piece, the locking piece is perpendicular to the driving piece, and the connecting rod is perpendicular to the locking piece.

Furthermore, a plurality of locking pieces are uniformly distributed along the circumferential direction of the connecting seat;

the connecting seat includes continuous first upper seat body and first pedestal, the driving piece middle part is equipped with a through-hole, first upper seat body wears to establish in the through-hole, first pedestal is in the below of driving piece, and with the driving piece activity offsets, first pedestal can order about the locking piece is followed unblock on the driving piece, and can drive the driving piece.

Furthermore, a first spring is sleeved on the first upper seat body, one end of the first spring abuts against the first upper seat body, and the other end of the first spring abuts against the driving piece.

Furthermore, the clamping mechanism comprises a supporting rod and a supporting seat, the supporting seat is arranged on the mounting seat and is fixedly connected with the mounting seat, and a convex column is arranged on the supporting seat;

the bracing piece wears to establish in proper order the mount pad with in the supporting seat, just the middle part of bracing piece is equipped with the spout that leads, the projection stretches into in the spout that leads, the grip block with the one end fixed connection of bracing piece, the driving piece with the other end fixed connection of bracing piece.

Further, it leads smooth section and third to lead smooth section to lead the spout including the first smooth section of leading, second that up communicates in proper order down, first lead smooth section and third lead smooth section and follow the axial of bracing piece is parallel arrangement, the second is led smooth section and is the slope setting and is in on the bracing piece.

Furthermore, the floating positioning block is hinged to the positioning seat through a second pin shaft, the side surface, close to the taper hole, of the floating positioning block is an inner side surface, and the side surface, opposite to the inner side surface, of the floating positioning block is an outer side surface;

the outer side surface of the floating positioning block is respectively provided with a second spring along two ends of the outer side surface, one end of the second spring is abutted against the floating positioning block, and the other end of the second spring is abutted against the mounting seat; a convex block is respectively protruded on the inner side surface of the floating positioning block along the two ends of the inner side surface, and a third spring is arranged between the positioning seat and the mounting seat;

when the taper shank is positioned in the taper hole, the projection abuts against the taper surface, and the third spring is compressed.

The technical scheme adopted by the invention for solving the technical problem is that the invention also provides a using method of the taper shank clamp, which is applied to the taper shank clamp, and the using method of the taper shank clamp comprises the following steps:

the taper shank is arranged on the positioning seat, the conical surface is positioned in the taper hole, the plurality of floating positioning blocks are abutted against the conical surface, and the positioning rod is abutted against the bottom of the taper shank;

the unlocking assembly moves downwards to drive the driving piece to move downwards, so that the clamping blocks are clamped on the taper shank; the locking piece locks the driving piece;

after the taper shank is machined, the unlocking assembly is moved upwards to drive the locking piece to unlock from the driving piece and drive the driving piece to move upwards, and then the clamping block is separated from the taper shank.

Compared with the prior art, the invention has at least the following beneficial effects:

according to the positioning seat, a plurality of floating positioning blocks are arranged along the circumferential direction of a conical hole of the positioning seat, a positioning rod is arranged at the bottom of the conical hole, and when a conical handle is positioned on the positioning seat, the plurality of floating positioning blocks are abutted against the conical surface of the conical handle, so that the central positioning of the conical handle is realized; the locating lever supports on the terminal surface of taper shank, realizes the location of taper shank axis direction, and the location of taper shank is realized to unsteady locating piece and locating lever synergism, guarantees the positioning accuracy of taper shank. Because the plurality of floating positioning blocks which are abutted against the conical surface of the taper shank are movably arranged, when the precision of the conical surface is not very high, the floating positioning blocks can eliminate the error and can also effectively ensure the positioning precision of the taper shank. After being located the positioning seat with the taper shank, the below drive release mechanism can make the driving piece descend, and then makes a plurality of grip blocks follow the pine and press from both sides position motion to clamping position, and a plurality of grip blocks press from both sides the taper shank tightly. And the locking piece can switch to the locking state under ordering about of unblock subassembly, and locking piece perpendicular to driving piece with the driving piece locking, can't push up the driving piece this moment, and the driving piece can't order about the grip block promptly and move to the pine from the clamping position and press from both sides the position, guarantees that the centre gripping is reliable. After the taper shank of location and centre gripping on the taper shank anchor clamps is processed, push up the connection seat, can be with the unblock from the driving piece of locking piece, and can order about the driving piece upward movement for the grip block moves to the pine from the clamping position and presss from both sides the position, pushes up unblock and pine and press from both sides easy operation.

Drawings

FIG. 1 is a schematic view of the construction of a taper shank fixture according to the present invention;

FIG. 2 is a schematic structural view of the taper shank clamped by the taper shank clamp;

FIG. 3 is a schematic view of the clamping block of FIG. 2 after it has been unclamped from the taper shank;

FIG. 4 is a schematic half-section view of FIG. 2;

FIG. 5 is a schematic half-section view of FIG. 3;

fig. 6 is a schematic structural view of fig. 2 with the second lower base removed;

fig. 7 is a schematic structural view of fig. 3 with the second lower base removed;

FIG. 8 is a schematic view of the taper shank fixture with the mounting seat removed;

fig. 9 is an assembly view of the driving member, the support rod and the clamping block.

In the figure:

1. a mounting seat; 11. a second upper base; 12. a second lower seat body;

2. a positioning mechanism; 21. positioning seats; 210. a taper hole; 22. positioning a rod; 23. a floating positioning block; 230. a bump; 24. a second pin shaft; 25. a second spring; 26. a third spring;

3. a clamping mechanism; 31. a drive member; 310. a through hole; 32. a clamping block; 33. a support bar; 330. a guide chute; 330a, a first sliding guide section; 330b, a second sliding guide section; 330c, a third sliding guide section; 34. a supporting seat; 340. a convex column;

4. a locking mechanism; 41. a locking member; 410. a first pin shaft; 411. a roller; 42. an unlocking assembly; 420. a connecting rod; 421. a connecting seat; 421a, a first upper seat body; 421b, a first lower seat body; 422. a first spring;

5. a taper shank; 50. a conical surface.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

It should be noted that all directional indicators (such as upper, lower, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of the technical solutions by those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1-5, a taper shank fixture for positioning and fixing a taper shank 5, wherein the taper shank 5 has a tapered surface 50 thereon, and a hanging platform (not labeled) connected to the tapered surface 50, the taper shank 5 fixture mainly comprises: mount pad 1, positioning mechanism 2, fixture 3 and locking mechanism 4.

The mounting seat 1 comprises a second upper seat body 11 and a second lower seat body 12 which are arranged in a split manner, and the mounting seat 1 is arranged into an upper part and a lower part of the split manner, so that the processing is convenient. The second upper seat 11 and the second lower seat 12 are detachably and fixedly connected by bolts. The second upper seat 11 has an opening opened upward, and the second lower seat 12 has an opening opened downward, so as to facilitate mounting other components on the second upper seat 11 and the second lower seat 12.

The positioning mechanism 2 is arranged on the mounting base 1 and comprises a positioning seat 21, a positioning rod 22 and a plurality of floating positioning blocks 23, understandably, the floating positioning blocks 23 are non-fixed positioning blocks, spring-like elastic members are arranged on the back sides of the floating positioning blocks, and rigid positioning blocks can have higher requirements on the machining precision of the conical surface 50 of the taper shank 5. The positioning seat 21 is mounted on the second upper seat body 11 of the mounting seat 1, and a taper hole 210 is provided on the positioning seat 21, and the taper of the taper hole 210 is substantially equal to the taper of the taper surface 50 of the taper shank 5. The plurality of floating positioning blocks 23 are movably arranged in the taper hole 210 and are arranged along the circumferential direction of the taper hole 210, when the taper shank 5 is positioned in the positioning seat 21, the plurality of floating positioning blocks 23 along the circumferential direction of the taper hole 210 are abutted against the tapered surface 50 of the taper shank 5, so that the center positioning of the taper shank 5 is realized, the tapered surface 50 of the positioning seat 21 is not directly contacted and positioned with the tapered surface 50 of the taper shank 5, the line contact replaces the surface contact, and the positioning accuracy of the tapered surface 50 is ensured. When the manufacturing accuracy of the conical surface 50 of the taper shank 5 is low, the floating positioning block 23 can also ensure that the positioning accuracy of the taper shank 5 is high, for example, the taper of the conical surface 50 of the taper shank 5 is 60 degrees originally, and the taper shank 5 clamp can realize good positioning on the taper shank 5 with the taper of the conical surface 50 of 55-65 degrees. The positioning rod 22 is arranged on the mounting seat 1, one end of the positioning rod 22 extends into the taper hole 210, and the positioning rod 22 abuts against the bottom of the taper shank 5 to position the taper shank 5 in the axial direction.

Specifically, the floating positioning block 23 is hinged to the positioning seat 21 through a second pin shaft 24, the second pin shaft 24 is disposed in the middle of the floating positioning block 23, a side surface of the floating positioning block 23 close to the taper hole 210 is an inner side surface, and a side surface of the floating positioning block 23 opposite to the inner side surface is an outer side surface. Wherein, the lateral surface of the locating piece 23 that floats is equipped with a second spring 25 respectively along its both ends, and the one end of second spring 25 supports on locating piece 23 that floats, and the other end of second spring 25 supports on mount pad 1, and the setting of second spring 25 for locating piece 23 that floats can float in certain scope, when locating taper shank 5 in positioning seat 21, and taper shank 5 supports on locating piece 23 that floats, and then compresses second spring 25. The positioning block 23 can be rotated to float, so that the taper of the conical surface 50 of the taper shank 5 can be changed within a certain error, and the accurate positioning of the taper shank 5 can be ensured. A lug 230 is respectively projected from the inner side surface of the floating positioning block 23 along the two ends, and after the taper shank 5 is installed, the lug 230 directly abuts against the conical surface 50 of the taper shank 5, and the two are in line contact. The third spring 26 is arranged between the positioning seat 21 and the mounting seat 1, so that the positioning seat 21 can float in a small range, when the taper shank 5 is positioned in the taper hole 210, the third spring 26 is compressed, the positioning seat 21 is prevented from being in rigid contact with the second lower seat body 12, after the taper shank 5 is clamped by the clamping block 32, the third spring 26 provides upward thrust, so that the taper shank 5 is upwards abutted to the clamping block 32, and the third spring 26 plays a role in assisting in clamping.

In the actual use process, in the embodiment, the plurality of floating positioning blocks 23 are arranged along the circumferential direction of the taper hole 210 of the positioning seat 21, the positioning rod 22 is arranged at the bottom of the taper hole 210, and when the taper shank 5 is positioned on the positioning seat 21, the plurality of floating positioning blocks 23 abut against the tapered surface 50 of the taper shank 5, so that the center positioning of the taper shank 5 is realized; the positioning rod 22 is abutted against the end face of the taper shank 5 to realize the positioning of the taper shank 5 in the axial direction, and the floating positioning block 23 and the positioning rod 22 cooperate to realize the positioning of the taper shank 5 and ensure the positioning accuracy of the taper shank 5. Because the plurality of floating positioning blocks 23 abutting against the conical surface 50 of the taper shank 5 are movably arranged, when the accuracy of the conical surface 50 is not very high, the floating positioning blocks 23 can eliminate the error and effectively ensure the positioning accuracy of the taper shank 5.

As shown in fig. 1-5 and 9, the clamping mechanism 3 is disposed on the mounting base 1, and includes a driving member 31 and a plurality of clamping blocks 32 movably disposed, the clamping blocks 32 have a clamping position and a unclamping position, and the driving member 31 can drive the clamping blocks 32 to move between the clamping position and the unclamping position. To be explained, in the state of fig. 2 and 4, the clamping block 32 is in the clamping position, in which the clamping block 32 clamps the taper shank 5; in the state of fig. 3 and 5, the clamping block 32 is in the unclamped state, and at this time, the clamping block 32 is disengaged from the taper shank 5, so that the movement of the taper shank 5 is not limited any more, and the taper shank 5 can be removed from the positioning seat 21.

Specifically, fixture 3 still includes bracing piece 33 and supporting seat 34, and supporting seat 34 sets up on mount pad 1, and the effect of supporting seat 34 mainly supplies bracing piece 33 to wear to establish and supplies projection 340 installation, and supporting seat 34 passes through bolt detachably fixed connection with mount pad 1, and is equipped with projection 340 on the supporting seat 34. The bracing piece 33 is from up wearing to establish in mount pad 1 and supporting seat 34 in proper order down, and the middle part of bracing piece 33 is equipped with guide chute 330, and during projection 340 stretched into guide chute 330, grip block 32 and the one end fixed connection of bracing piece 33, driving piece 31 and the other end fixed connection of bracing piece 33, bracing piece 33 had the effect of supporting grip block 32 promptly, and driving piece 31 is through driving bracing piece 33, and then drives the motion of grip block 32. The sliding guide groove 330 includes a first sliding guide section 330a, a second sliding guide section 330b and a third sliding guide section 330c, which are sequentially communicated from bottom to top, the first sliding guide section 330a and the third sliding guide section 330c are arranged in parallel along the axial direction of the support rod 33, and the second sliding guide section 330b is obliquely arranged on the support rod 33. When the supporting rod 33 moves from bottom to top, the first sliding guide section 330a rises, and the convex pillar 340 does not drive the supporting rod 33 to rotate; when the second sliding guide section 330b reaches the protruding column 340, the protruding column 340 drives the supporting rod 33 to rotate, so that the clamping block 32 is opened outwards, the taper shank 5 can be conveniently taken out of the positioning seat 21, interference with the clamping block 32 is avoided, and the supporting rod 33 also rotates when rising in the process; when the third sliding guide section 330c reaches the protruding pillar 340, the third sliding guide section 330c rises, and the protruding pillar 340 does not drive the supporting rod 33 to rotate any more, i.e. after the clamping block 32 opens outwards, the supporting rod does not rotate any more. When the supporting rod 33 moves from top to bottom, the supporting rod 33 moves opposite to the ascending movement, and only passes through the second guiding sliding section 330b, the supporting rod rotates, so that the clamping block 32 is retracted from outside to inside, and does not rotate in other times.

As shown in fig. 4-8, the locking mechanism 4 includes a locking member 41 and an unlocking member 42, the locking member 41 is disposed in the mounting seat 1, specifically, the locking member 41 is disposed in the second lower seat 12 of the mounting seat 1, and the locking member 41 is movably abutted to the driving member 31, the locking member 41 is used for locking the driving member 31, when the locking member 41 locks the driving member 31, the driving member 31 cannot move upward, so that the clamping block 32 is clamped on the taper shank 5, thereby preventing loosening and ensuring reliable clamping. The unlocking assembly 42 is movably disposed in the mounting base 1 and connected to the locking member 41, and the unlocking assembly 42 can actuate the locking member 41 to unlock from the driving member 31.

Specifically, the unlocking assembly 42 comprises a connecting rod 420 and a connecting seat 421, the connecting seat 421 is movably arranged in the mounting seat 1, one end of the connecting rod 420 is hinged to the connecting seat 421, and the other end of the connecting rod 420 is hinged to the middle part of the locking member 41; when the locking member 41 locks the driving member 31, the locking member 41 is perpendicular to the driving member 31, the locking member 41 is in a dead-point locking state, and the link 420 is perpendicular to the locking member 41, acts on the locking member 41 along a force perpendicular to the driving member 31, and the locking member 41 cannot be unlocked from the driving member 31.

Wherein, the circumference equipartition along connecting seat 421 has a plurality of locking pieces 41, and locking piece 41 can be but is not limited to three in this embodiment, guarantees that locking piece 41 locking driving piece 31 is reliable. The connecting seat 421 includes a first upper seat 421a and a first lower seat 421b connected to each other, a through hole 310 is disposed in the middle of the driving member 31, the first upper seat 421a is inserted into the through hole 310, the first lower seat 421b is located below the driving member 31 and movably abutted against the driving member 31, and the first lower seat 421b can drive the locking member 41 to unlock from the driving member 31 and drive the driving member 31. The first upper seat 421a is sleeved with a first spring 422, one end of the first spring 422 abuts against the first upper seat 421a, the other end of the first spring 422 abuts against the driving member 31, and the first spring 422 is compressed by both the first upper seat 421a and the driving member 31.

Preferably, one end of the locking member 41 is hinged to the mounting base 1 through a first pin 410, the locking member 41 can rotate around the first pin 410, one end of the locking member 41 away from the first pin 410 has a roller 411, and the roller 411 movably abuts against the driving member 31. The unlocking assembly 42 can drive the locking member 41 to rotate along the first pin 410, and the roller 411 rolls along the driving member 31, and the roller 411 is disposed to enable the locking member 41 to be switched between the locked state and the unlocked state easily and smoothly. The link 420 is connected to the middle of the locking member 41 to facilitate pulling the locking member 41, so that the roller 411 rolls along the driving member 31 while the locking member 41 rotates around the first pin 410.

In the actual use process of the taper shank 5 clamp of the present embodiment, after the taper shank 5 is positioned on the positioning seat 21, the unlocking assembly 42 is driven downward, so that the driving member 31 descends, the clamping blocks 32 move from the unclamping position to the clamping position, and the clamping blocks 32 clamp the taper shank 5. And the locking piece 41 is switched to the locking state under the driving of the unlocking assembly 42, the locking piece 41 is perpendicular to the driving piece 31 to lock the driving piece 31, and at this time, the driving piece 31 cannot be pushed up, that is, the driving piece 31 cannot drive the clamping block 32 to move from the clamping position to the unclamping position, so that reliable clamping is ensured. After the taper shank 5 positioned and clamped on the taper shank fixture is machined, the connecting seat 421 is pushed up, so that the locking piece 41 can be unlocked from the driving piece 31, and the driving piece 31 can be driven to move upwards, so that the clamping block 32 moves from the clamping position to the unclamping position, and the operation is simple.

Example two:

a use method of a taper shank clamp is applied to the taper shank clamp in the first embodiment, and the use method is also the working principle of the taper shank clamp. In the initial state, the clamping block 32 is in the unclamped position, and in use, the connecting seat 421 is connected to the power input device.

The use method of the taper shank clamp comprises the following steps:

the first step is as follows: arranging the taper shank 5 on the positioning seat 21, wherein the conical surface 50 is positioned in the conical hole 210, and the plurality of floating positioning blocks 23 abut against the conical surface 50; the hanging table of the taper shank 5 is abutted against the positioning seat 21, and the positioning rod 22 is abutted against the bottom of the taper shank 5. The central positioning of the taper shank 5 is realized by the floating positioning blocks 23, the positioning rod 22 realizes the positioning in the axial direction of the taper shank 5, and the positioning precision of the taper shank 5 is cooperatively ensured.

The second step is that: the unlocking component 42 moves downwards to drive the driving component 31 to move downwards, so that the plurality of clamping blocks 32 are clamped on the taper shank 5; the locking member 41 locks the driving member 31. Specifically, the external power input device drives the connecting seat 421 to descend, so as to drive the driving member 31, the locking member 41 and the connecting rod 420 to descend, so that the three clamping blocks 32 are clamped on the hanging platform of the taper shank 5, so as to clamp the taper shank 5, and when the locking member 41 rotates along the first pin 410, the roller 411 rolls along the driving member 31, the locking member 41 moves to be perpendicular to the driving member 31, so as to lock the driving member 31, and at this time, the driving member 31 cannot move upwards. At this time, the taper shank 5 is already positioned and clamped, and the taper shank 5 can be machined.

The third step: after the taper shank 5 is machined, the unlocking assembly 42 moves upwards to drive the locking member 41 to unlock from the driving member 31, and drive the driving member 31 to move upwards, so that the clamping block 32 is separated from the taper shank 5. Specifically, the external power input device drives the connecting seat 421 to move upward, so that the locking member 41 rotates along the first pin 410, and the locking member 41 is unlocked from the driving member 31, so that the connecting seat 421 drives the driving member 31 to move upward, and further the clamping block 32 moves upward, rotates outward, opens, and moves to the unclamping position, and the taper shank 5 can be removed from the positioning seat 21.

In this scheme, this taper shank anchor clamps's positioning accuracy is high, and the centre gripping is reliable, and location, tight convenient operation of clamp.

Claims (10)

1. A taper shank fixture for locating and securing a taper shank having a tapered surface thereon, the taper shank fixture comprising:

a mounting seat;

the positioning mechanism is arranged on the mounting seat and comprises a positioning seat, a positioning rod and a plurality of floating positioning blocks, the positioning seat is arranged on the mounting seat, and a taper hole is formed in the positioning seat; the plurality of floating positioning blocks are movably arranged in the taper holes and are arranged along the circumferential direction of the taper holes; the positioning rod is arranged on the mounting seat, and one end of the positioning rod extends into the taper hole;

the clamping mechanism is arranged on the mounting seat and comprises a driving piece and a plurality of clamping blocks which are movably arranged, the clamping blocks are provided with a clamping position and a releasing position, and the driving piece can drive the clamping blocks to move between the clamping position and the releasing position;

the locking mechanism comprises a locking piece and a unlocking component, the locking piece is arranged in the mounting seat and movably abutted against the driving piece, and the locking piece is used for locking the driving piece; the unlocking assembly is movably arranged in the mounting seat and connected with the locking piece, and the unlocking assembly can drive the locking piece to unlock from the driving piece.

2. The taper shank clamp of claim 1, wherein one end of the locking member is hinged to the mounting base, the other end of the locking member movably abuts against the driving member, and the unlocking assembly is connected to the middle of the locking member.

3. The taper shank fixture of claim 2, wherein one end of the locking member is hinged to the mounting base by a first pin, and one end of the locking member away from the first pin has a roller that movably abuts against the driving member;

the unlocking assembly can drive the locking piece to rotate along the first pin shaft, and the roller rolls along the driving piece.

4. The taper shank clamp of claim 1, wherein the unlocking assembly comprises a connecting rod and a connecting seat, the connecting seat is movably arranged in the mounting seat, one end of the connecting rod is hinged with the connecting seat, and the other end of the connecting rod is hinged with the middle part of the locking piece;

when the locking piece locks the driving piece, the locking piece is perpendicular to the driving piece, and the connecting rod is perpendicular to the locking piece.

5. The taper shank clamp of claim 4, wherein a plurality of the locking pieces are uniformly distributed along the circumference of the connecting seat;

the connecting seat includes continuous first upper seat body and first pedestal, the driving piece middle part is equipped with a through-hole, first upper seat body wears to establish in the through-hole, first pedestal is in the below of driving piece, and with the driving piece activity offsets, first pedestal can order about the locking piece is followed unblock on the driving piece, and can drive the driving piece.

6. The taper shank fixture according to claim 5, wherein the first upper seat is sleeved with a first spring, one end of the first spring abuts against the first upper seat, and the other end of the first spring abuts against the driving member.

7. The taper shank fixture of claim 1, wherein the clamping mechanism includes a support rod and a support seat, the support seat is disposed on the mounting seat and fixedly connected to the mounting seat, and a convex column is disposed on the support seat;

the bracing piece wears to establish in proper order the mount pad with in the supporting seat, just the middle part of bracing piece is equipped with the spout that leads, the projection stretches into in the spout that leads, the grip block with the one end fixed connection of bracing piece, the driving piece with the other end fixed connection of bracing piece.

8. The taper shank fixture according to claim 7, wherein the sliding guide groove includes a first sliding guide section, a second sliding guide section and a third sliding guide section which are sequentially communicated from bottom to top, the first sliding guide section and the third sliding guide section are arranged in parallel along an axial direction of the support rod, and the second sliding guide section is obliquely arranged on the support rod.

9. The taper shank clamp of claim 1, wherein the floating positioning block is hinged to the positioning seat by a second pin shaft, a side surface of the floating positioning block close to the taper hole is an inner side surface, and a side surface of the floating positioning block opposite to the inner side surface is an outer side surface;

the outer side surface of the floating positioning block is respectively provided with a second spring along two ends of the outer side surface, one end of the second spring is abutted against the floating positioning block, and the other end of the second spring is abutted against the mounting seat; a convex block is respectively projected from the inner side surface of the floating positioning block along the two ends of the inner side surface, and a third spring is arranged between the positioning seat and the mounting seat;

when the taper shank is positioned in the taper hole, the projection abuts against the taper surface, and the third spring is compressed.

10. A method of using a taper shank jig applied to the taper shank jig of any one of claims 1 to 9, characterized in that the method of using the taper shank jig comprises the steps of:

the taper shank is arranged on the positioning seat, the conical surface is positioned in the taper hole, the plurality of floating positioning blocks are abutted against the conical surface, and the positioning rod is abutted against the bottom of the taper shank;

the unlocking assembly moves downwards to drive the driving piece to move downwards, so that the clamping blocks are clamped on the taper shank; the locking piece locks the driving piece;

after the taper shank is machined, the unlocking assembly is moved upwards to drive the locking piece to unlock from the driving piece and drive the driving piece to move upwards, and then the clamping block is separated from the taper shank.

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