CN216759482U - Grinding wheel spindle fixing clamp and grinding machine - Google Patents

Abstract

The utility model relates to the technical field of grinding machines and discloses a grinding wheel spindle fixing clamp and a grinding machine. The grinding wheel spindle fixing clamp comprises a bottom plate; the limiting pieces are arranged on the bottom plate at intervals and detachably, clamping grooves are formed in the limiting pieces, the clamping portions are connected in the clamping grooves in a clamped mode in a clearance mode, the extending portions are perpendicular to the bottom plate, one ends, far away from the clamping portions, of the extending portions extend towards the bottom plate, and end portions, close to the clamping portions, of the abutting portions abut against the top end face of the limiting pieces. The beneficial effects are as follows: can realize that the grinding wheel axle is quick spacing, and need not press from both sides tight grinding wheel axle and need not consider the length of pressing from both sides the portion of establishing, just can be spacing fast with the grinding wheel axle through grinding wheel axle mounting fixture, and it is fast good again to the spacing effect of grinding wheel axle.

Description

Grinding wheel spindle fixing clamp and grinding machine

Technical Field

The utility model relates to the technical field of grinding machines, in particular to a grinding wheel spindle fixing clamp and a grinding machine.

Background

The grinding wheel is usually used in a grinding machine, so that the grinding wheel shaft is fixed by a grinding wheel shaft fixing clamp, and then the grinding wheel is assembled on the grinding wheel shaft so as to be convenient for using the grinding wheel.

At present, a grinding wheel spindle fixing clamp comprises a vice, a clamping part of a grinding wheel spindle is placed in a jaw of the vice, a rocker arm of the vice is rotated to enable the jaw to be small so as to lock the clamping part of the grinding wheel spindle, the grinding wheel spindle is fixed on the vice, then the grinding wheel spindle is sequentially installed on the grinding wheel spindle according to the aperture of the grinding wheel, the grinding wheel spindle is locked on the grinding wheel spindle through a nut, and therefore the purpose of mounting the grinding wheel is achieved, and the grinding wheel is convenient to use.

The clamping area between the clamping part and the jaw is small due to the short length of the clamping part of the grinding wheel spindle, so that the clamping part is difficult to clamp in the jaw; the clamping part is more difficult to clamp in the jaw of the vice because the jaw is abraded in the using process, so that the clamping part is more difficult to clamp in the jaw of the vice, and the vice is a general tool, so that the grinding wheel spindle is inconvenient to clamp; and because the vice is expensive, the cost of replacing the vice is high.

Therefore, there is a need for a grinding spindle fixing clamp and a grinding machine, which can solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a grinding wheel spindle fixing clamp which achieves rapid limiting of a grinding wheel spindle and is low in replacement cost.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a emery wheel axle mounting fixture, its is used for fixed emery wheel axle, the emery wheel axle is including pressing from both sides the portion of establishing and being located press from both sides extension and butt portion of establishing both sides, emery wheel axle mounting fixture includes:

a base plate;

the limiting pieces are arranged on the bottom plate at intervals and detachably, clamping grooves are formed in the limiting pieces, the clamping portions are connected in the clamping grooves in a clamped mode in a clearance mode, the extending portions are perpendicular to the bottom plate, one ends, far away from the clamping portions, of the extending portions extend towards the bottom plate, and end portions, close to the clamping portions, of the abutting portions abut against the top end face of the limiting pieces.

Furthermore, the limiting member includes a first support plate, a second support plate, and a third support plate, and the first support plate, the second support plate, and the third support plate are connected in sequence to form the clamping groove.

Furthermore, the first support plate, the second support plate and the third support plate are sequentially and vertically connected, the clamping portion is of an octahedral structure, two planes oppositely arranged in the octahedral structure are abutted to the inner wall of the first support plate and the inner wall of the third support plate respectively, and the other plane in the octahedral structure is abutted to the inner wall of the second support plate.

Furthermore, the first support plate, the second support plate and the third support plate are of an integrally formed structure.

Further, emery wheel axle mounting fixture still includes:

and one end of the supporting piece is arranged on the bottom plate, the other end of the supporting piece is positioned at the bottom end of the limiting piece, and the supporting piece is used for supporting the limiting piece.

Further, the number of the supporting pieces is provided with a plurality of supporting pieces which are arranged on the bottom plate at intervals and vertically.

Further, emery wheel axle mounting fixture still includes:

a fastener configured to fix the stopper, the supporter, and the base plate as one body.

Further, the fastener is a screw, and the screw passes through the limiting piece and the supporting piece in sequence and penetrates into the bottom plate.

Another objective of the present invention is to provide a grinding machine, which includes a grinding spindle fixing clamp capable of quickly limiting the grinding spindle.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the grinding machine comprises the grinding wheel spindle fixing clamp and the grinding wheel spindle, wherein the grinding wheel spindle fixing clamp is used for fixing the grinding wheel spindle.

Furthermore, the grinding machine further comprises a grinding wheel, the grinding wheel shaft further comprises a mounting part, and the mounting part is used for mounting the grinding wheel.

The utility model has the beneficial effects that:

the clamping groove is formed in the limiting part, so that the clamping part on the grinding wheel spindle is clamped in the clamping groove in a clearance mode, and therefore the grinding wheel spindle can be limited from moving forwards and backwards and rightwards relative to the limiting part; meanwhile, the limiting parts are arranged on the bottom plate at intervals, so that an accommodating height can be formed between the limiting parts and the bottom plate, the extending part on the grinding wheel spindle can be positioned in the accommodating height while the clamping part is clamped in the clamping groove, one end of the extending part, which is far away from the clamping part, extends towards the bottom plate, the end part, which is close to the clamping part, on the abutting part is pressed against the top end surface of the limiting part, so that sufficient positioning is achieved, and the grinding wheel spindle can be limited from moving up and down relative to the limiting parts; the grinding wheel shaft is quickly positioned, the position of the grinding wheel shaft can be limited through the grinding wheel shaft fixing clamp without considering the length of the clamping part, and the limiting effect on the grinding wheel shaft is good; the clamping part is clamped in the clamping groove, and the grinding wheel shaft can be limited under the condition that the grinding wheel shaft is not clamped only by adjusting the gap between the clamping part and the clamping groove, so that the grinding wheel shaft is not abraded in the process of limiting the grinding wheel shaft, and the grinding wheel shaft is well protected; meanwhile, the limiting piece is detachably arranged on the bottom plate, when the clamping groove on the limiting piece is abraded in the using process, the abraded limiting piece can be quickly detached and reassembled with a new limiting piece, the replacement is simple and convenient, the price of the limiting piece is low, and the replacement cost is low; the problem that in the prior art, the grinding wheel spindle is difficult to clamp in the jaw due to the fact that the jaw which is worn is continuously used to clamp the grinding wheel spindle because of high cost of replacing the vice is solved, and the quick limiting effect on the grinding wheel spindle can be guaranteed.

Drawings

FIG. 1 is a schematic structural view of a grinding wheel spindle fixing clamp provided by the present invention;

FIG. 2 is a schematic view of a grinding wheel spindle according to the present invention;

fig. 3 is a schematic structural diagram of a limiting member provided in the present invention.

Reference numerals:

1-a bottom plate; 2-grinding wheel spindle; 21-a clamping section; 22-an extension; 23-an abutment; 24-a mounting portion; 3-a limiting part; 31-a first plate; 32-a second plate; 33-a third plate; 34-clamping the groove; 4-a support; 5-fastening piece.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the structures or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

At present, because the length of the clamping part of the grinding wheel spindle is short, the clamping area between the clamping part and the jaw is small, and the clamping part is difficult to clamp in the jaw; in addition, as the jaw is abraded in the using process, the contact area between the clamping part and the jaw is reduced, and the clamping part is more difficult to clamp the jaw of the vice; and since the price of the vice is expensive, the cost for replacing the vice is high.

In order to solve the above problems, the present embodiment provides a grinding spindle fixing fixture and a grinding machine including the same, as shown in fig. 1-3, the grinding machine further includes a grinding spindle 2 and a grinding wheel, the grinding spindle fixing fixture is used for fixing the grinding spindle 2, and the limiting effect on the grinding spindle 2 is good; the grinding wheel spindle 2 comprises a mounting part 24, and the mounting part 24 is used for mounting a grinding wheel and locking the grinding wheel on the grinding wheel spindle 2 through a nut in a threaded mode, so that the purpose of mounting the grinding wheel is achieved, and the grinding wheel is convenient to use. The grinding wheel spindle 2 further includes an interposed portion 21, and an extending portion 22 and an abutting portion 23 located on both sides of the interposed portion 21.

Specifically, as shown in fig. 1 to 3, the grinding spindle fixing jig includes a base plate 1 and a stopper 3. The limiting members 3 are arranged on the bottom plate 1 at intervals and detachably, a clamping groove 34 is formed in the limiting members 3, the clamping portions 21 are clamped in the clamping groove 34 in a clearance fit manner, the extending portions 22 are perpendicular to the bottom plate 1, one ends, far away from the clamping portions 21, of the extending portions 22 extend towards the bottom plate 1, and end portions, close to the clamping portions 21, of the abutting portions 23 abut against the top end face of the limiting members 3.

The clamping groove 34 is formed in the limiting member 3, so that the clamping portion 21 on the grinding wheel spindle 2 is in clearance fit and clamped in the clamping groove 34, and the grinding wheel spindle 2 can be limited from moving forwards and backwards and rightwards relative to the limiting member 3; meanwhile, the limiting members 3 are arranged on the bottom plate 1 at intervals, so that an accommodating height can be formed between the limiting members 3 and the bottom plate 1, the clamping portion 21 can be clamped in the clamping groove 34 in a clearance fit manner, the extending portion 22 on the grinding wheel spindle 2 can be located in the accommodating height, one end of the extending portion 22, which is far away from the clamping portion 21, extends towards the bottom plate 1, and the end portion, which is close to the clamping portion 21, on the abutting portion 23 is pressed against the top end face of the limiting members 3, so that the grinding wheel spindle 2 can be limited from moving downwards relative to the limiting members 3; the grinding wheel shaft 2 is quickly positioned, the position of the grinding wheel shaft 2 can be limited by the grinding wheel shaft fixing clamp without considering the length of the clamping part 21, and the positioning effect on the grinding wheel shaft 2 is good; and the clamping part 21 is in clearance clamping connection with the clamping groove 34, and the grinding wheel spindle 2 can be limited without clamping the grinding wheel spindle 2 only by adjusting the clearance between the clamping part 21 and the clamping groove 34, so that the grinding wheel spindle 2 is not abraded in the process of limiting the grinding wheel spindle 2, and the grinding wheel spindle 2 is well protected.

Meanwhile, the limiting member 3 is detachably arranged on the bottom plate 1, when the clamping groove 34 on the limiting member 3 is worn in the using process, the worn limiting member 3 can be quickly detached and reassembled with a new limiting member 3, the replacement is simple and convenient, and the price of the limiting member 3 is low, so that the replacement cost is low; the problem that in the prior art, the grinding wheel shaft 2 is difficult to clamp due to the fact that the jaw which is worn is continuously used to clamp the grinding wheel shaft 2 due to the fact that the cost for replacing the vice is high is solved, and the clamping effect of the grinding wheel shaft 2 can be guaranteed. In this embodiment, the limiting member 3 is made of steel with better wear resistance.

Specifically, as shown in fig. 3, the limiting member 3 includes a first support plate 31, a second support plate 32, and a third support plate 33, and the first support plate 31, the second support plate 32, and the third support plate 33 are sequentially connected to form a clamping groove 34. The clamping portion 21 of the grinding wheel spindle 2 is of an octahedral structure, the first support plate 31, the second support plate 32 and the third support plate 33 are sequentially and vertically connected, two planes which are oppositely arranged in the octahedral structure are abutted to the inner wall of the first support plate 31 and the inner wall of the third support plate 33 respectively, and the other plane in the octahedral structure is abutted to the inner wall of the second support plate 32, so that the clamping portion 21 is limited in the clamping groove 34, and the grinding wheel spindle 2 can be limited to move back and forth and right relative to the limiting part 3.

In other embodiments, the connection angles of the first support plate 31, the second support plate 32 and the third support plate 33 may be set according to the specific structure of the clamping portion 21 to form the clamping groove 34 matched with the clamping portion 21, so that the clamping portions 21 with different structures can be positioned to be suitable for precise limiting of various grinding wheel spindles 2, and the universality is good. In the present embodiment, the first plate 31, the second plate 32, and the third plate 33 are formed integrally. In other embodiments, the first plate 31, the second plate 32, and the third plate 33 may be a split structure.

Further, as shown in fig. 1, the grinding spindle fixing clamp further includes a supporting member 4, one end of the supporting member 4 is disposed on the bottom plate 1, the other end of the supporting member 4 is located at the bottom end of the limiting member 3, and the supporting member 4 is used for supporting the limiting member 3; meanwhile, the supporting member 4 has a certain height, so that a receiving height can be conveniently formed between the bottom plate 1 and the limiting member 3. In this embodiment, the supporting member 4 is a spacer ring.

Specifically, the number of the supporting members 4 is provided in plural, and the plurality of supporting members 4 are spaced and vertically provided on the base plate 1. In the present embodiment, the number of the support members 4 is four. In other embodiments, it is also possible to have six or eight supports 4. The specific number of the supporting members 4 is determined according to the structure of the limiting member 3.

Further, as shown in fig. 1, the grinding spindle fixing jig further includes a fastener 5, and the fastener 5 is configured to fix the stopper 3, the support 4, and the base plate 1 as a single body. In this embodiment, the fastening member 5 is a screw, and the screw sequentially passes through the limiting member 3 and the supporting member 4 and penetrates into the bottom plate 1, so that the limiting member 3, the supporting member 4 and the bottom plate 1 can be fixed as a whole. Through using the screw to fix locating part 3, support piece 4 and bottom plate 1 as an organic whole to can directly dismantle the screw when wearing and tearing appear in locating part 3 and can realize quick dismantlement and change labour saving and time saving.

The concrete working process of the grinding wheel spindle fixing clamp in the embodiment is as follows: firstly, two oppositely arranged planes in the regular octahedron structure are respectively abutted to the inner wall of the first support plate 31 and the inner wall of the third support plate 33; the grinding spindle 2 is pushed towards the direction close to the second support plate 32, so that the other plane in the octahedral structure abuts against the inner wall of the second support plate 32, the clamping part 21 is limited in the clamping groove 34, and the front, back and right movement of the grinding spindle 2 relative to the limiting part 3 can be limited.

Meanwhile, the extension part 22 on the grinding wheel spindle 2 is positioned in the accommodating height, so that one end of the extension part 22, which is far away from the clamping part 21, is not abutted to the bottom plate 1, and the end part, which is close to the clamping part 21, of the abutting part 23 is abutted to the top end surface of the limiting part 3, so that the downward movement of the grinding wheel spindle 2 relative to the limiting part 3 can be limited.

Finally, the grinding wheel is mounted on the mounting portion 24 of the grinding spindle 2 to complete the fixing process of the grinding spindle 2 and the mounting process of the grinding wheel.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims (10)

1. The utility model provides a emery wheel axle mounting fixture, its is used for fixed emery wheel axle (2), emery wheel axle (2) are including pressing from both sides set portion (21) and being located press from both sides extension (22) and butt portion (23) of set portion (21) both sides, its characterized in that, emery wheel axle mounting fixture includes:

a base plate (1);

the limiting part (3) is arranged on the bottom plate (1) at an interval and detachably, a clamping groove (34) is formed in the limiting part (3), the clamping part (21) is clamped into the clamping groove (34) in a clearance mode, the extending part (22) is perpendicular to the bottom plate (1), one end, far away from the clamping part (21), of the extending part (22) extends towards the bottom plate (1), and the end, close to the clamping part (21), of the abutting part (23) abuts against the top end face of the limiting part (3).

2. The grinding spindle fixing clamp according to claim 1, characterized in that the limiting member (3) comprises a first plate (31), a second plate (32) and a third plate (33), and the first plate (31), the second plate (32) and the third plate (33) are connected in sequence to form the clamping groove (34).

3. The grinding wheel spindle fixing clamp according to claim 2, wherein the first plate (31), the second plate (32) and the third plate (33) are vertically connected in sequence, the clamping portion (21) has an octahedral structure, two planes oppositely arranged in the octahedral structure abut against an inner wall of the first plate (31) and an inner wall of the third plate (33), respectively, and the other plane in the octahedral structure abuts against an inner wall of the second plate (32).

4. The grinding spindle holding jig of claim 2, wherein the first plate (31), the second plate (32) and the third plate (33) are of an integrally formed structure.

5. The grinding spindle fixing jig of claim 1, further comprising:

and one end of the supporting piece (4) is arranged on the bottom plate (1), the other end of the supporting piece is positioned at the bottom end of the limiting piece (3), and the supporting piece (4) is used for supporting the limiting piece (3).

6. The grinding spindle fixing jig according to claim 5, wherein the number of the supporting members (4) is provided in plurality, and a plurality of the supporting members (4) are arranged at intervals and vertically on the base plate (1).

7. The grinding spindle fixing jig of claim 5, further comprising:

a fastener (5), the fastener (5) being configured to fix the stopper (3), the support (4), and the base plate (1) as one body.

8. The grinding spindle fixing clamp according to claim 7, characterized in that the fastening member (5) is a screw which passes through the retainer (3), the support member (4) and penetrates into the base plate (1) in this order.

9. A grinding machine, characterized by comprising the grinding spindle fixing jig according to any one of claims 1 to 8 for fixing the grinding spindle (2) and the grinding spindle (2).

10. A grinding machine as claimed in claim 9 further comprising a grinding wheel, the grinding spindle (2) further comprising a mounting (24), the mounting (24) being for mounting the grinding wheel.

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