CN210550745U - Spanner for disassembling milling cutter blade - Google Patents

Abstract

The utility model discloses a spanner of usefulness is dismantled to milling cutter blade belongs to milling machine technical field, aims at providing a spanner of usefulness is dismantled to milling cutter blade. The key points of the technical scheme are as follows: including rotatory handle and with rotatory handle fixed connection's work lever, the work lever overcoat is established the screens piece, and the screens piece is connected with the stop collar through the elastic component, and the stop collar is close to the one end setting of rotatory handle and rotates with the work lever to be connected, and the stop collar is unchangeable in the ascending position of work lever length direction. The stop collar is close to the one side of screens piece and has seted up the recess, recess bottom and elastic component fixed connection, and screens piece lateral wall is equipped with the screens arch, and the recess inside wall is equipped with the track that supplies the bellied upper and lower slip of screens, and the work piece reciprocates in the recess when the screens arch reciprocates in the track. The recess inside wall is equipped with the orbital annular spacing groove of a plurality of perpendicular to, the utility model is suitable for a milling machine.

Description

Spanner for disassembling milling cutter blade

Technical Field

The utility model relates to a milling machine technical field, more specifically say, it relates to a spanner of usefulness is dismantled to milling cutter blade.

Background

A milling cutter is a rotating tool with one or more inserts for milling. When in work, each blade cuts off the allowance of the workpiece in sequence and intermittently. The milling cutter is mainly used for processing planes, steps, grooves and the like on a milling machine. When the milling machine needs to process different workpieces, the inner screw rod for fastening the milling cutter blade needs to be unscrewed through the wrench, the appropriate milling cutter blade is replaced, and the inner screw rod is screwed through the wrench.

The existing wrench for disassembling the milling cutter blade comprises a working rod and a rotating handle, and when different workpieces need to be machined or the milling cutter blade used for a long time is worn, the milling cutter blade needs to be disassembled from the milling cutter through the wrench. When the milling cutter blade is disassembled, the working head of the working rod of the wrench is aligned to the inner screw rod for fixing the milling cutter blade, the screw rod is loosened from the milling cutter by rotating the rotating head, so that the milling cutter blade is taken down, and the wrench is used for fastening the screw rod to assemble a new milling cutter blade on the milling cutter.

The above prior art solutions have the following drawbacks: in the actual operation process, when the milling cutter blade is disassembled by the wrench, one hand is needed to rotate the rotating handle of the wrench, the other hand is needed to press the milling cutter blade, the screw rod is rotated by the working head of the working rod of the wrench, the fastening screw rod is loosened and disassembled to replace the milling cutter blade, on one hand, the operation is troublesome, and on the other hand, the hands of workers are easy to be injured due to direct contact with the surface of the blade.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a spanner that milling cutter blade was dismantled and is used, it makes the staff fasten or unscrew screw can contactless milling cutter blade in the different models.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a spanner that milling cutter blade was dismantled usefulness, include rotatory handle and with rotatory handle fixed connection's work pole, the screens piece is established to the work pole overcoat, the one end that the screens piece is close to rotatory handle is connected with the stop collar through the elastic component, the one end of keeping away from the screens piece of stop collar rotates with the work pole to be connected, and the position of stop collar on the work pole length direction is unchangeable, the recess that supplies the screens piece to remove is seted up to the one side that the stop collar is close to the screens piece, recess bottom and elastic component fixed connection, the screens piece lateral wall is equipped with the screens arch, the recess inside wall is equipped with and supplies the bellied gliding track from top to bottom of screens, the recess inside wall is equipped with the orbital annular spacing groove of a plurality of perpendicular.

By adopting the technical scheme, when a worker needs to screw or unscrew the inner screw rod on the fixed milling cutter blade, the working head of the working rod of the wrench is clamped in the inner screw rod, and when the working head of the working rod is clamped on the inner screw rod, the worker needs to apply force to the milling cutter blade and then rotate the rotating handle to screw or rotate the inner screw rod on the fixed milling cutter blade. The elastic piece fixed at the bottom end of the groove is connected with the clamping piece, so that the clamping piece can move in the groove conveniently by compressing the elastic piece, and the working head of the working rod can be matched with inner screw rods of different models. The protruding joint track of screens on the screens piece, when the screens piece reciprocated in the recess, the screens arch can reciprocate in the track. When the working head extends into the inner screw rod for a proper distance, the limiting sleeve can be rotated to clamp the clamping protrusions in the limiting groove, and the limiting groove can fix the position of the clamping piece. When the staff screws up and unscrews interior screw rod, need the downward application of force for the unable left and right rotations of screens piece, thereby reduce the protruding phenomenon of controlling the pivoted of screens in the screens inslot, the one end that the screens piece is close to the work piece simultaneously can paste tight interior screw rod top, so just do not need the position of staff with the hand fixed interior screw rod and milling cutter, for the staff provides convenience, and reduce the staff because of touchhing milling cutter and injured's condition. Then the staff rotates the rotation handle, and the wrench realizes the function of screwing up and unscrewing the internal screw rod of different models promptly.

Furthermore, the clamping protrusions are symmetrically arranged on the outer wall of the clamping part, and the tracks are symmetrically arranged on the positions, corresponding to the inner side wall of the groove, of the clamping protrusions.

By adopting the technical scheme, when the working head of the working rod extends to the inner screw rod, and one end of the clamping piece close to the working head of the working rod props against the blade of the milling cutter or the top end of the inner screw rod, the clamping piece moves up and down along with the working rod. When the locating part moves to suitable position, if only be equipped with a screens protruding, the protruding position of fixing the screens piece of screens only can, so can lead system screens piece one side to stabilize in fixed position, the opposite side can reciprocate by the minizone because of the effect of elastic component to make the locating part move towards the dynamics of milling cutter blade uneven, increase staff's the operation degree of difficulty. The clamping protrusions symmetrically arranged reduce the unevenness of the clamping part port, and the operation difficulty of workers is reduced.

Furthermore, each limiting groove is provided with a rubber sheet close to two openings of the track, one end of each rubber sheet is fixed on one side of the track opening, and one end of each rubber sheet is tightly attached to one side of the track opening.

Through adopting above-mentioned technical scheme, when the spacing groove is close to orbital opening part and does not have any thing of blocking, because the stop collar can freely rotate, probably have the condition that the screens arch shifted to the spacing inslot when reciprocating. The rubber sheet provides resistance, reduces the phenomenon that the screens arch shifts to the spacing inslot in the slip process from top to bottom. When the screens piece reciprocated to suitable position, the staff can apply less power and rotate the stop collar, rotates the screens arch to the screens inslot for the locating part can't reciprocate, and the rubber sheet also reduces the protruding displacement of screens in the spacing inslot to the condition in the track simultaneously.

Furthermore, the rotation handle includes the pterygoid lamina of symmetry setting, the pterygoid lamina surface is equipped with one-level anti-skidding line.

Through adopting above-mentioned technical scheme, the pterygoid lamina of rotation handle increases the contact surface of staff's finger and rotation handle, and when the staff screwed up or loosened the internal screw soon, the pterygoid lamina was convenient for the staff and rotates the rotation handle. Meanwhile, the first-level anti-slip lines on the surface of the wing plate increase the friction force between the fingers of the worker and the rotating handle.

Furthermore, the one end that screens piece was kept away from to rotatory handle is equipped with the cylindricality rotating head, the rotating head is located rotatory handle central point and puts, the rotating head surface is equipped with second grade anti-skidding line.

Through adopting above-mentioned technical scheme, when the staff loosened the interior screw rod, the staff of being not convenient for of swivel handle rotated fast, and the staff of being convenient for rotates fast is arranged to the rotating head cylindricality, practices thrift the time that the staff took out interior screw rod. When the staff rotated the rotating head fast, the condition that the second grade antiskid line on the rotating head reduced wrench from hand landing.

Furthermore, a through hole is formed in the rotating handle, and a retaining ring penetrates through the through hole.

Through adopting above-mentioned technical scheme, the buckle of equidimension not can be worn to establish by the through-hole on the rotation handle, and the setting of buckle is convenient for the wrench to hang in the place of difference, practices thrift the time that the staff looked for the wrench.

Furthermore, one end of the working rod, which is far away from the rotating handle, is fixedly connected with a magnet coating, and a wear-resistant layer is arranged outside the magnet coating.

By adopting the technical scheme, the magnet coating layer arranged at the top end of the working head of the working rod can suck the inner screw rod made of the magnetic metal material onto the working head of the working rod, so that the inner screw rod can be conveniently transferred and stored by workers.

Furthermore, the limiting groove is internally provided with three-stage anti-skidding lines at one end far away from the rotating handle.

The tertiary antiskid line can spacing protruding and spacing groove contact's frictional force, can reduce the phenomenon of screens piece rotating to the protruding condition of rotating in the track that rotates of screens on the reduction screens piece.

To sum up, the utility model discloses following beneficial effect has:

1. through the arrangement of the clamping piece, the effect of reducing the contact of a milling cutter blade when a worker screws and unscrews the inner screw can be achieved;

2. through the arrangement of the elastic piece and the limiting sleeve, the effect that the clamping piece can be matched with inner screws of different models can be achieved;

3. through the setting of rotatory handle and rotating head, can play the effect that improves staff work efficiency.

Drawings

FIG. 1 is a schematic view of an embodiment of a wrench for removing a milling cutter insert;

FIG. 2 is an enlarged view of portion A of FIG. 1, illustrating the connection between the magnet coating and the wear layer;

FIG. 3 is a schematic diagram of an embodiment for embodying the connection relationship of a rotary handle and a cylindrical rotary head;

FIG. 4 is a sectional view showing the connection relationship of the position restricting sleeve, the position restricting member and the operating rod in the embodiment;

FIG. 5 is a radial cross-sectional view of a stop collar embodying a stop groove in an embodiment;

fig. 6 is a cross-sectional view of an embodiment embodying a stop collar.

In the figure, 1, a rotating handle; 11. a wing plate; 12. primary anti-skid lines; 2. a working lever; 21. a clamping piece; 22. an elastic member; 23. a clamping bulge; 3. A limiting sleeve; 31. a groove; 32. a track; 33. a limiting groove; 34. a rubber sheet; 35. three-level anti-skid lines; 4. a cylindrical rotating head; 41. secondary anti-skid lines; 5. a through hole; 51. a retaining ring; 6. a magnet coating; 7. and a wear-resistant layer.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): for the utility model discloses a spanner that milling cutter blade was dismantled and was used, as shown in fig. 1, including swivel handle 1 and working arm 2, swivel handle 1 includes pterygoid lamina 11 (see fig. 3) that the symmetry set up, pterygoid lamina 11 has increased the contact surface of hand and swivel handle 1, the staff of being convenient for is radial to swivel handle 1, pterygoid lamina 11 surface is equipped with one-level anti-skidding line 12 (see fig. 3), increase the frictional force on finger and swivel handle 1 surface, when one-level anti-skidding line 12 is protruding, the finger contacts and the power rotation with swivel handle 1, bellied top has great pressure to the finger, when the rotation dynamics is great, can make staff's finger tingle, optimally, one-level anti-skidding line 12 is for densely covered at the little recess 31 of swivel surface, can reduce the staff and point the circumstances of tingle because of pressure when rotating swivel handle 1. Be equipped with through-hole 5 on the rotation handle 1, buckle 51 is worn to establish by through-hole 5, and the wrench that is generally used for the milling cutter blade is less, can wear to establish not equidimension buckle 51 on rotation handle 1, can hang the wrench at the fixed hanging position of workshop, reduces the time that the staff looked for the wrench. Preferably, the clasp 51 is a retractable clasp 51 that allows the wrench to be hung from different sized hanging points. The one end that the working rod 2 was kept away from to swivel handle 1 is equipped with the rotating head, and the rotating head is the cylindricality, and after the staff put the screw of fixed milling cutter blade with the internal screw rod on or unscrewed the internal screw rod, swivel handle 1 is not convenient for the staff and rotates fast, and the staff can practice thrift through the rotating head of fast rotation cylindricality and screw up or unscrew the time of internal screw rod. The rotating head outside is equipped with second grade anti-skidding line 41 (see fig. 3), because the staff need not to apply great dynamics when needing to rotate the rotating head, tertiary frictional force can reduce the phenomenon that the wrench followed staff's hand landing. Preferably, the second-stage anti-slip pattern 41 is a solid anti-slip pattern.

As shown in fig. 1, the working head end of the working rod 2 is provided with a magnet coating 6 (see fig. 3), when the internal screw to be screwed or unscrewed is at different positions of the milling cutter component, the unscrewed internal screw is inconvenient to take out by fingers, and the internal screw made of iron material is attracted to the end of the working head of the working rod 2 by the magnetic force of the magnet coating 6, so that the internal screw can be conveniently taken out by a worker. The wear-resistant layer 7 is arranged outside the magnet coating 6, the working head of the wrench working rod 2 is easy to wear after long-term use, when the edges and corners of the working head of the working rod 2 matched with the shape of the inner screw rod are ground flat, the wrench cannot be used continuously, and the wear-resistant layer 7 can prolong the service life of the wrench. The clamping piece 21 is sleeved outside the working rod 2, when a worker needs to screw or unscrew the inner screw fixed on the blade of the milling cutter, one end, close to the working head of the working rod 2, of the clamping piece 21 props against the top end of the inner screw or the milling cutter, when the worker applies force to the inner screw in the direction, the position of the blade of the milling cutter and the position of the inner screw do not need to be fixed by the other hand, and then the inner screw can be screwed or unscrewed by rotating the rotating handle 1.

As shown in fig. 4, one end of the blocking element 21, which is far away from the working rod 2, is connected with a limiting sleeve 3 through an elastic element 22, one end of the limiting sleeve 3, which is close to the blocking element 21, is provided with a groove 31 (see fig. 6), one end of the elastic element 22 is fixedly connected to the bottom end of the groove 31, the blocking element 21 can move up and down in the groove 31, a blocking protrusion 23 is arranged on the blocking element 21, a track 32 for the blocking protrusion 23 to move up and down is arranged at the position of the inner side arm of the groove 31, which corresponds to the blocking protrusion 23, the blocking protrusion 23 is blocked in the track 32, and when the blocking element 21 moves up. The inner side arm of the groove 31 is provided with a plurality of blocking grooves perpendicular to the rails 32, and when the blocking piece 21 moves to a proper position, a worker rotates the limiting sleeve 3, so that the blocking piece 21 is fixed at the proper position. Optimally, the side of the position clamping part 21 close to the position limiting sleeve 3 is provided with two position clamping bulges 23, the two position clamping bulges 23 are symmetrically arranged on the same horizontal plane, when only one position clamping bulge 23 is arranged, one side of the position clamping part 21 is fixed by the position limiting groove 33, and the other side of the position clamping part can move in a small range due to the acting force of the elastic part 22, so that the difficulty of using a wrench by a worker is caused. The opening of the limit groove 33 close to the rail 32 is provided with a rubber sheet 34 (see fig. 5), one end of the rubber sheet 34 is fixedly connected with one side of the opening of the limit groove 33, and the other end of the rubber sheet 34 is tightly attached to the other side of the opening of the limit groove 33. When the blocking protrusion 23 moves up and down, the rubber sheet 34 can reduce the displacement of the blocking protrusion 23 into the limiting groove 33. One side of the limit groove 33 far away from the rotary handle 1 is provided with a three-stage anti-slip thread 35 (see figure 4), which increases the friction force between the limit groove 33 and the blocking bulge 23 and reduces the phenomenon that the blocking part 21 rotates along with the rotation of the working handle by the worker. Preferably, the secondary anti-slip pattern 41 is a small hemispherical protrusion densely distributed on the surface of the flared edge.

The specific implementation process comprises the following steps: when the worker needs to unscrew the inner screw rod for fixing the milling cutter blade, the worker takes the wrench down from the hanging position, the working head of the wrench working rod 2 extends into the inner screw rod, and when the working rod 2 extends to a proper position, the clamping protrusion 23 moves a corresponding distance to the bottom end of the groove 31 in the track 32. The staff rotates stop collar 3 again, moves screens arch 23 to the screens inslot after passing spacing groove 33 and being close to 32 mouthful rubber sheet 34 of track, and the staff indicates to pinch tight rotatory handle 1 and exert the dynamics towards interior screw rod and direction of rotation, and after will fixing the interior screw rod on the milling cutter blade and loosen soon, the staff holds the rotating head fast and rotates again, screws off interior screw rod. If the worker needs to transfer and store the internal screw, the internal screw made of the magnetic material can be sucked and transferred by the working head of the working rod 2. After the wrench is used, the worker hangs the wrench to the fixed hanging position, and the wrench is convenient to reuse.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. The utility model provides a spanner that milling cutter blade was dismantled and was used, includes rotation handle (1) and with rotation handle (1) fixed connection's working rod (2), its characterized in that: a clamping piece (21) is sleeved outside the working rod (2), one end of the clamping piece (21) close to the rotating handle (1) is connected with a limiting sleeve (3) through an elastic piece (22), one end of the limiting sleeve (3) far away from the clamping piece (21) is rotatably connected with the working rod (2), and the position of the limiting sleeve (3) in the length direction of the working rod (2) is not changed, one surface of the limiting sleeve (3) close to the clamping piece (21) is provided with a groove (31) for the movement of the clamping piece (21), the bottom end of the groove (31) is fixedly connected with the elastic piece (22), the outer side wall of the clamping piece (21) is provided with a clamping bulge (23), the inner side wall of the groove (31) is provided with a track (32) for the clamping bulge (23) to slide up and down, the inner side wall of the groove (31) is provided with a plurality of annular limiting grooves (33) which are vertical to the track (32).

2. A wrench for removing a milling cutter insert according to claim 1, wherein: the clamping protrusions (23) are symmetrically arranged on the outer wall of the clamping part (21), and the rails (32) are symmetrically arranged on the positions, corresponding to the inner side wall of the groove (31), of the clamping protrusions (23).

3. A wrench for removing a milling cutter insert according to claim 1, wherein: rubber sheets (34) are arranged at two openings of each limiting groove (33) close to the track (32), one end of each rubber sheet (34) is fixed at one side of the opening of the track (32), and one end of each rubber sheet (34) is tightly attached to one side of the opening of the track (32).

4. A wrench for removing a milling cutter insert according to claim 1, wherein: the rotary handle (1) comprises wing plates (11) which are symmetrically arranged, and primary anti-skid grains (12) are arranged on the surfaces of the wing plates (11).

5. A wrench for removing a milling cutter insert according to claim 1, wherein: the one end that screens piece (21) was kept away from in rotatory handle (1) is equipped with cylindricality rotating head (4), the rotating head is located rotatory handle (1) central point and puts, the rotating head surface is equipped with second grade anti-skidding line (41).

6. A wrench for removing a milling cutter insert according to claim 1, wherein: the rotary handle (1) is provided with a through hole (5), and a retaining ring (51) penetrates through the through hole (5).

7. A wrench for removing a milling cutter insert according to claim 1, wherein: one end of the working rod (2) far away from the rotating handle (1) is fixedly connected with a magnet coating (6), and a wear-resistant layer (7) is arranged outside the magnet coating (6).

8. A wrench for removing a milling cutter insert according to claim 1, wherein: and three-stage anti-skidding threads (35) are arranged at one end of the limiting groove (33) far away from the rotating handle (1).

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