CN217475680U - Grinding wheel shaft rod for grinding - Google Patents

Abstract

The utility model discloses a grinding wheel arbor for whetting a knife, include: the grinding wheel shaft comprises a connecting end and an installation rod connected with the front end of the connecting end, the outer side of the tail end of the connecting end is provided with a thread, the thread is provided with a notch, the outer side of the thread is sleeved with a nut, a first gasket and a second gasket, and the inner opening of the first gasket is provided with a bulge clamped with the notch; two loosening ferrules are symmetrically arranged. Two symmetrical loosening movable ferrules are sleeved in the middle of the grinding wheel shaft, the grinding wheel is clamped through the loosening movable ferrules, the grinding wheel is prevented from loosening when the grinding wheel shaft rotates forwards and backwards, the safety in the using process of the device is improved, the grinding performance in the forward and reverse rotation process of the grinding wheel due to the fact that different degrees of loosening of the grinding wheel occur in the forward and reverse rotation process is avoided, and the machining accuracy of the grinding wheel is improved due to the fact that the fastening degree of forward and reverse installation of the grinding wheel is guaranteed.

Description

Grinding wheel shaft rod for grinding

Technical Field

The utility model relates to the technical field of machining, specifically be a grinding wheel axostylus axostyle is used to whet a knife.

Background

With the continuous development of production technology, the requirements on the grinding precision of various parts are higher and higher. The grinding wheel rod of the prior grinding machine is a straight rod or a threaded straight rod and is clamped or screwed to the shaft end through a sleeve.

When the electric spindle is connected with the grinding wheel rod, the external thread at the end part of the grinding wheel rod is screwed into the internal thread in the shaft end hole of the electric spindle until the shaft shoulder of the grinding wheel rod is tightly combined with the end surface of the spindle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a whet a knife and use emery wheel axostylus axostyle to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a grinding spindle for sharpening knives comprising: the grinding wheel shaft comprises a connecting end and a mounting rod connected with the front end of the connecting end, the outer side of the tail end of the connecting end is provided with a thread, a notch is formed in the thread, a nut, a first gasket and a second gasket are sleeved on the outer side of the thread, and a protrusion clamped with the notch is arranged on an inner opening of the first gasket; two of symmetrical installation loosen and move the lasso, loosen and move the lasso and include first lasso, second lasso and third lasso, the middle part of first lasso and second lasso is connected with the shell fragment, the medial surface of third lasso is connected with damping rod and card, card and first lasso fixed connection, the bearing has been cup jointed to the inside of first lasso, the inner wall of second lasso has cup jointed the slipmat.

The beneficial effect of adopting above-mentioned technical scheme is: the middle part of the grinding wheel shaft is sleeved with the two symmetrical loosening movable rings, the grinding wheel is clamped through the loosening movable rings, the grinding wheel is prevented from loosening when the grinding wheel shaft rotates forwards and backwards, the safety of the device in the using process is improved, the grinding performance of the grinding wheel in the forward and reverse rotation process due to the fact that the grinding wheel loosens in different degrees in the forward and reverse rotation process is prevented from being different and influenced, and the fastening degree of forward and reverse installation of the grinding wheel is guaranteed to improve the machining accuracy of the grinding wheel. When the grinding wheel polishes the cutter, the grinding wheel can bear reaction force, including resistance during rotation and axial shaking force, and the latter is easy to cause loosening of the grinding wheel. The technical scheme has a certain effect of preventing the loosening tendency of the two forms.

As a further improvement, the clamping groove is opened on the inner side surface of the first ferrule, and the card is rotatably sleeved in the clamping groove.

The beneficial effect of adopting above-mentioned technical scheme is: offer of draw-in groove is convenient for cup joint the card, and the card is connected with damping rod and third lasso, be convenient for carry out zonulae occludens back and first lasso and rotate relatively at third lasso and emery wheel to carry out forward and reverse fixed under the connection of second lasso and shell fragment, the emery wheel of avoiding third lasso to circle produces the promotion to second gasket, first gasket and nut at high-speed rotation in-process, makes nut, first gasket and second gasket drop not hard up.

As a further improvement, the surface of the third ferrule is provided with anti-slip patterns, and the diameter value of the inner diameter of the third ferrule is consistent with the diameter value of the mounting rod.

The beneficial effect of adopting above-mentioned technical scheme is: the surface texture of the third ring increases the friction between the third ring and the grinding wheel in the contact process, so that the grinding wheel is conveniently clamped and fixed through the third ring, and the stable installation of the grinding wheel on the grinding wheel shaft is ensured.

As a further improvement of the utility model, the second ferrule is an annular anti-skid pattern.

The beneficial effect of adopting above-mentioned technical scheme is: the anti-skidding line of second lasso improves the one-way friction between first lasso and the connection end, guarantees the stability of second lasso at the overhead installation of connection end, avoids connecting end and second lasso installation back to appear becoming flexible and dislocation, leads to the not flexible of the overhead emery wheel of connection end.

As a further improvement, the inner wall at first lasso is installed to the equidistant cyclic annular distribution of bearing, just the surface roll connection of bearing and emery wheel axle.

The beneficial effect of adopting above-mentioned technical scheme is: the installation of bearing reduces the friction between first lasso and the connection end, and the first lasso of being convenient for rolls at shell fragment deformation in-process, and the buffering of the first lasso of being convenient for is used.

As a further improvement, the number of the damping rods is six, six the equidistant connection of the damping rods is at the middle part of the third ferrule and the card.

The beneficial effect of adopting above-mentioned technical scheme is: the connection of damping rod guarantees the third lasso and the second lasso and the stable support between the first lasso, avoids the uneven damage that appears of third lasso atress.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of a grinding wheel spindle for sharpening the knife according to the present invention;

FIG. 2 is an exploded view of a grinding spindle for sharpening in accordance with the present invention;

FIG. 3 is a schematic view of a loosening ring of a grinding wheel spindle for sharpening according to the present invention;

FIG. 4 is a cross-sectional view of a loosening ring of a grinding wheel spindle for sharpening according to the present invention;

FIG. 5 is a schematic view of the grinding wheel spindle A for sharpening the knife of the present invention;

fig. 6 is a schematic view of the grinding wheel spindle for sharpening according to the present invention at the position B.

In the figure: 1. a grinding wheel spindle; 11. connecting the end heads; 12. mounting a rod; 13. a thread; 14. a notch; 2. a nut; 3. a first gasket; 4. a second gasket; 5. loosening the movable ferrule; 51. a first ferrule; 52. a second ferrule; 53. a spring plate; 54. a card slot; 55. a card; 56. a damping lever; 57. a third ferrule; 58. a non-slip mat; 59. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 6, a grinding spindle for grinding a knife includes: the grinding wheel spindle 1 comprises a connecting end 11 and an installation rod 12 connected with the front end of the connecting end 11, a thread 13 is arranged on the outer side of the tail end of the connecting end 11, a gap 14 is formed in the thread 13, a nut 2, a first gasket 3 and a second gasket 4 are sleeved on the outer side of the thread 13, and a bulge clamped with the gap 14 is arranged on the inner opening of the first gasket 3; two of symmetry installation loosen and move lasso 5, loosen and move lasso 5 and include first lasso 51, second lasso 52 and third lasso 57, and the middle part of first lasso 51 and second lasso 52 is connected with shell fragment 53, and the medial surface of third lasso 57 is connected with damping rod 56 and card 55, card 55 and first lasso 51 fixed connection, and the bearing 59 has been cup jointed to the inside of first lasso 51, and the inner wall of second lasso 52 has cup jointed slipmat 58.

The beneficial effect of adopting above-mentioned technical scheme is: through cup jointing two symmetrical loosening at the middle part of grinding wheel axle 1 and moving lasso 5, move lasso 5 through relaxing and carry out the centre gripping to the emery wheel, and avoid grinding wheel axle 1 not hard up to appear when just reversing, the security in the improvement device use avoids the emery wheel to appear not hard up grinding performance that leads to the emery wheel in the process of reversing rotation difference and influence in the not hard up grinding wheel that different degrees appears in the in-process of reversing rotation, guarantees that the fastening degree of the positive and negative installation of emery wheel improves the processing accuracy nature of emery wheel.

As a further improvement of the utility model, the clamping groove 54 has been seted up to the medial surface of first ferrule 51, and the card 55 rotates and cup joints the inside at clamping groove 54.

The beneficial effect of adopting above-mentioned technical scheme is: setup of draw-in groove 54 is convenient for cup joint card 55, and card 55 is connected with damping rod 56 and third lasso 57, be convenient for carry out zonulae occludens back and first lasso 51 and rotate relatively at third lasso 57 with the emery wheel, and carry out forward and reverse fixed under the connection of second lasso 52 and shell fragment 53, it promotes to second gasket 4, first gasket 3 and nut 2 to avoid the emery wheel on the third lasso 57 to rotate the in-process at a high speed, make nut 2, first gasket 3 and second gasket 4 drop not hard up.

As a further improvement of the utility model, the surface of the third ferrule 57 is provided with anti-slip lines, and the diameter value of the inner diameter of the third ferrule 57 is consistent with the diameter value of the mounting rod 12.

The beneficial effect of adopting above-mentioned technical scheme is: the surface texture of the third ferrule 57 increases the friction between the third ferrule 57 and the grinding wheel in the contact process, so that the grinding wheel is conveniently clamped and fixed through the third ferrule 57, and the stable installation of the grinding wheel on the grinding wheel shaft 1 is ensured.

As a further improvement of the present invention, the second collar 52 is an annular anti-slip pattern.

The beneficial effect of adopting above-mentioned technical scheme is: the anti-skidding line of second ferrule 52 improves the one-way friction between first ferrule 51 and the connection end 11, guarantees the stability of second ferrule 52 installation on connecting end 11, avoids connecting end 11 and second ferrule 52 installation back to appear becoming flexible and dislocation, leads to connecting the not hard up of emery wheel on the end 11.

As a further improvement of the present invention, the bearings 59 are installed on the inner wall of the first collar 51 in an equally spaced ring-shaped distribution, and the bearings 59 are connected to the outer surface of the grinding wheel spindle 1 in a rolling manner.

The beneficial effect of adopting above-mentioned technical scheme is: the friction between the first ferrule 51 and the connecting end 11 is reduced by installing the bearing 59, so that the first ferrule 51 can roll in the deformation process of the elastic sheet 53, and the first ferrule 51 can be buffered and used conveniently.

As a further improvement of the utility model, the number of the damping rods 56 is six, and the six damping rods 56 are connected at the middle parts of the third sleeve ring 57 and the clamping piece 55 at equal intervals.

The beneficial effect of adopting above-mentioned technical scheme is: the connection of the damping rod 56 ensures the stable support between the third ferrule 57 and the second ferrule 52 and the first ferrule 51, and avoids the damage of the third ferrule 57 caused by uneven stress.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a grinding wheel spindle pole for whetting a knife which characterized in that includes:

the grinding wheel shaft comprises a connecting end and an installation rod connected with the front end of the connecting end, the outer side of the tail end of the connecting end is provided with a thread, a gap is formed in the thread, the outer side of the thread is sleeved with a nut, a first gasket and a second gasket, and a protrusion clamped with the gap is arranged on the inner opening of the first gasket;

two of symmetry installation loosen and move the lasso, loosen and move the lasso and include first lasso, second lasso and third lasso, the middle part of first lasso and second lasso is connected with the shell fragment, the medial surface of third lasso is connected with damping rod and card, card and first lasso fixed connection, the bearing has been cup jointed to the inside of first lasso, the slipmat has been cup jointed to the inner wall of second lasso.

2. The grinding wheel spindle for sharpening the knife as claimed in claim 1, wherein a slot is formed on an inner side surface of the first ferrule, and the clamping piece is rotatably sleeved inside the slot.

3. The grinding wheel spindle for grinding knives as claimed in claim 1, wherein the outer surface of the third ring is provided with anti-slip lines, and the inner diameter and diameter of the third ring are the same as the diameter of the mounting rod.

4. The grinding spindle post for grinding knives according to claim 1 wherein the second collar is an annular anti-slip ring.

5. The grinding spindle post for sharpening as defined in claim 1, wherein the bearings are mounted on the inner wall of the first ring in an equally spaced annular arrangement and are in rolling contact with the outer surface of the grinding spindle.

6. The grinding wheel spindle for grinding knives as claimed in claim 1, wherein the number of said damping rods is six, and six of said damping rods are connected at equal intervals to the middle of the third ferrule and the clamping piece.

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