CN214723373U - V-shaped clamp for ground clamp - Google Patents

Abstract

The utility model discloses a V-shaped clamp for ground tongs, belonging to the technical field of crankshaft machining equipment, which comprises a metal block, a rotating piece and a jackscrew, wherein the metal block is provided with a V-shaped groove, and the bottom of the V-shaped groove is provided with a connecting hole; the rotating piece is rotationally arranged on the metal block and is respectively close to the two side groove walls of the V-shaped groove, and a nylon ferrule is arranged on the rotating piece; the jackscrew is connected with the connecting hole, can move along the groove depth direction of V-arrangement groove. The utility model provides a V type anchor clamps for ground pincers, through be connected with the rotation piece on the metal block that has the V-arrangement groove, the nylon lasso is established to the cover on rotating the piece, when polishing the bent axle, the V-arrangement inslot can be placed to the bent axle to with rotate the nylon lasso contact on the piece, nylon lasso and bent axle formation rolling friction when making to polish the bent axle, V type iron has avoided among the prior art and bent axle to produce the problem that sliding friction influences the processing surface roughness of bent axle.

Description

V-shaped clamp for ground clamp

Technical Field

The utility model relates to a bent axle processing equipment technical field, concretely relates to V type anchor clamps for ground pincers.

Background

The crankshaft is one of important moving parts of the compressor, a shaft and a bearing bush are in sliding friction, engine oil is lubricated, and if burrs exist on the surface of an oil hole in the diameter of the shaft, the normal operation of the compressor can be influenced.

After the crankshaft is machined, acute angles and burr flashes are left at the positions of oil hole orifices of various shaft diameters and crank diameters of the crankshaft, and the crankshaft needs to be manually polished by a ground clamp, otherwise, bearing bushes are worn, and even seized, and finally, the crankshaft is burnt and ground. The ground clamp is the last step in the crankshaft machining process, and the ground clamp needs to finish flash and burrs left by final machining, is difficult to finish a crankshaft oil hole, and needs to rotate to any angle suitable for operation at any time by using V-shaped iron and fix the crankshaft during trimming.

As described above, the conventional V-shaped iron for tongs tends to have an influence on the machined surface roughness of the crankshaft.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a V type anchor clamps for ground pincers to solve the technical problem that current V type iron for ground pincers easily produces the influence to the processing surface roughness of bent axle.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

according to the utility model discloses an embodiment provides a V type anchor clamps for ground pincers, include:

the metal block is provided with a V-shaped groove, and the bottom of the V-shaped groove is provided with a connecting hole;

the rotating piece is rotationally arranged on the metal block and is respectively close to the two side groove walls of the V-shaped groove, and a nylon ferrule is arranged on the rotating piece;

the jackscrew is connected with the connecting hole and can move along the groove depth direction of the V-shaped groove.

Furthermore, a through hole is formed in the metal block, the through hole is respectively close to the groove walls on the two sides of the V-shaped groove, and the rotating piece penetrates through the through hole to be connected in a rotating mode.

Further, the rotating part comprises a rotating shaft and fixed rollers, the rotating shaft penetrates through the through holes, the fixed rollers are respectively arranged at two ends of the rotating shaft, and the nylon ferrules are arranged on the fixed rollers.

Furthermore, a first key groove is formed in the joint of the rotating shaft and the fixed roller, a second key groove is formed in the shaft hole of the fixed roller, and the first key groove and the second key groove are connected through a flat key.

Further, the rotating shaft is connected with the through hole through a bearing.

Furthermore, a spacer bush is arranged between the fixed roller and the outer wall of the metal block, and the spacer bush is arranged on the rotating shaft.

Further, the outer wheel surface of the fixed roller is lower than the inner groove wall surface of the V-shaped groove.

The embodiment of the utility model has the following advantage:

through be connected with the rotation piece on the metal block that has the V-arrangement groove, and simultaneously, nylon ferrule is established to the cover on rotating the piece, when polishing the bent axle like this, the V-arrangement inslot can be placed to the bent axle, and with rotate the nylon ferrule contact on the piece, nylon ferrule forms rolling friction with the bent axle when making to polish the bent axle, and then the problem of V type iron and bent axle production sliding friction influence to the processing surface roughness of bent axle among the prior art has been avoided, and simultaneously, when rotating the bent axle to predetermineeing the position, can push up tight bent axle through the jackscrew, realize the fixed of bent axle position.

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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic perspective view of a V-shaped clamp for ground tongs according to an embodiment of the present invention;

fig. 2 is a schematic view of a V-shaped clamp for ground tongs according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of B-B in FIG. 2;

fig. 4 is a schematic perspective view of a metal block in a V-shaped clamp for a ground clamp according to an embodiment of the present invention;

fig. 5 is a schematic view of a metal block in a V-shaped clamp for ground tongs according to an embodiment of the present invention;

fig. 6 is a schematic view of a use state of the V-shaped clamp and the crankshaft for the ground clamp according to an embodiment of the present invention.

In the figure: 1-a metal block; 2-a V-shaped groove; 3-a rotating member; 4-top thread; 5-nylon ferrule; 6-spacer bush;

11-a connection hole; 12-a through hole;

31-a rotating shaft; 32-fixed rollers; 33-a bearing; 34-a flat bond;

100-crankshaft.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

As shown in fig. 1 to 6, according to an embodiment of the present invention, there is provided a V-shaped clamp for ground tongs, including a metal block 1, a rotating member 3 and a jackscrew 4, wherein the metal block 1 is provided with a V-shaped groove 2, and the bottom of the V-shaped groove 2 is provided with a connecting hole 11; the rotating piece 3 is rotatably arranged on the metal block 1 and is respectively close to the two side groove walls of the V-shaped groove 2, and a nylon ferrule 5 is arranged on the rotating piece 3; the jackscrew 4 is connected with the connecting hole 11 and can move along the groove depth direction of the V-shaped groove 2.

The V-arrangement anchor clamps for ground pincers that this embodiment provided, through be connected with rotation piece 3 on the metal block 1 that has V-arrangement groove 2, and simultaneously, nylon lasso 5 is established to the cover on rotating piece 3, when polishing crankshaft 100 like this, V-arrangement groove 2 can be placed to crankshaft 100, and with rotate the nylon lasso 5 contact on the 3, nylon lasso 5 forms rolling friction with crankshaft 100 when making to polish crankshaft 100, and then avoided among the prior art V-arrangement iron and crankshaft 100 to produce the problem of sliding friction influence to the processing surface roughness of crankshaft 100, and simultaneously, when rotating crankshaft 100 to preset position, can push up tight crankshaft 100 through jackscrew 4, realize the fixed of crankshaft 100 position.

It should be noted that the connecting hole 11 can be a threaded hole, which facilitates the adjustment of the jackscrew 4 in the V-shaped groove of the metal block 1 by moving up and down, the included angle a between the V-shaped surfaces of the V-shaped grooves 2 is 90 degrees, and in fig. 6, the arrow indicates the rotation direction of the crankshaft 100.

Further, as shown in fig. 3 to 5 in an embodiment of the present invention, a through hole 12 is provided on the metal block 1, the through hole 12 is respectively disposed near two side walls of the V-shaped groove 2, and the rotating member 3 passes through the through hole 12 for rotational connection.

Specifically, the rotating member 3 includes a rotating shaft 31 and a fixed roller 32, the rotating shaft 31 passes through the through hole 12, the fixed roller 32 is respectively disposed at two ends of the rotating shaft 31, and the nylon ferrule 5 is disposed on the fixed roller 32.

In this embodiment, the through-hole 12 on the metal block 1 is passed to pivot 31, and can rotate in through-hole 12, this pivot 31 both ends fixed connection fixed roller 32 respectively, and simultaneously, nylon lasso 5 is established to the cover on fixed roller 32, when using V type anchor clamps like this in the pincers preface, bent axle 100 passes through nylon lasso 5 and supports the angle of arbitrary rotation bent axle 100 as fixed roller 32, realize rolling friction, reduce frictional force, in addition, when reusing traditional V type iron, directly pull down nylon lasso 5 can, this product can directly increase on traditional V type iron and rotate piece 3 promptly, jackscrew 4 and nylon lasso 5 can.

Further, as shown in fig. 2 and 3, in the above embodiment, a first key groove is provided at a connection portion of the rotating shaft 31 and the fixed roller 32, a second key groove is provided on a shaft hole of the fixed roller 32, and the first key groove and the second key groove are connected by a flat key 34. The fixed roller 32 and the rotating shaft 31 are clamped and fixed through the first key groove, the second key groove and the flat key 34, so that the installation is convenient and simple.

Further, as shown in fig. 2 and 3, in the above embodiment, the rotating shaft 31 is connected to the through hole 12 through the bearing 33. Through installing bearing 33 in through-hole 12, pivot 31 is connected with bearing 33, realizes pivot 31 and rotates at metal block 1 relatively, makes its rotation more convenient smooth and easy.

Further, as shown in fig. 2 and 3, in the above embodiment, a spacer 6 is disposed between the fixed roller 32 and the outer wall of the metal block 1, and the spacer 6 is disposed on the rotating shaft 31. And the spacer bush 6 is arranged, so that the fixed roller 32 is prevented from contacting the side surface of the metal block 1, and the reliability of the product is improved.

Further, as shown in fig. 2, the outer peripheral surface of the fixed roller 32 is lower than the inner groove wall surface of the V-shaped groove 2. Therefore, when the traditional V-shaped iron is needed, the nylon ferrule 5 can be directly detached, so that the use of the original V-shaped iron is not changed.

To sum up, the utility model provides a V type anchor clamps, through be connected with the rotation piece on the metal block that has the V-arrangement groove, and simultaneously, the nylon lasso is established to the cover on rotating the piece, when polishing the bent axle like this, the V-arrangement inslot can be placed to the bent axle, and with the nylon lasso contact on rotating the piece, nylon lasso forms rolling friction with the bent axle when making to polish the bent axle, and then the problem of V type iron and bent axle production sliding friction influence to the processing surface roughness of bent axle among the prior art has been avoided, and simultaneously, when rotating the bent axle to predetermineeing the position, can push up the tight bent axle through the jackscrew, realize the fixed of bent axle position, in addition, use traditional V type iron, as long as pull down the nylon lasso and can use.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims (7)

1. A V-clamp for ground tongs, comprising:

the metal block (1), a V-shaped groove (2) is arranged on the metal block (1), and a connecting hole (11) is arranged at the bottom of the V-shaped groove (2);

the rotating piece (3) is rotatably arranged on the metal block (1) and is respectively close to two side groove walls of the V-shaped groove (2), and a nylon ferrule (5) is arranged on the rotating piece (3);

the jackscrew (4), jackscrew (4) with connecting hole (11) are connected, can follow the groove depth direction of V-arrangement groove (2) moves.

2. The V-shaped clamp for ground tongs according to claim 1, characterized in that the metal block (1) is provided with a through hole (12), the through holes (12) are respectively arranged near the two side walls of the V-shaped groove (2), and the rotating member (3) is rotatably connected through the through hole (12).

3. The V-shaped clamp for ground tongs according to claim 2, characterized in that the rotating member (3) comprises a rotating shaft (31) and fixed rollers (32), the rotating shaft (31) is disposed through the through hole (12), the fixed rollers (32) are respectively disposed at both ends of the rotating shaft (31), and the nylon ferrules (5) are disposed on the fixed rollers (32).

4. The V-shaped clamp for the ground tongs as recited in claim 3, wherein a first key slot is provided at the joint of the rotating shaft (31) and the fixed roller (32), a second key slot is provided on the shaft hole of the fixed roller (32), and the first key slot and the second key slot are connected through a flat key (34).

5. The V-clamp for ground clamps according to claim 3, characterized in that the shaft (31) is connected with the through hole (12) by means of a bearing (33).

6. The V-shaped clamp for ground tongs according to claim 3, characterized in that a spacer bush (6) is arranged between the fixed roller (32) and the outer wall of the metal block (1), the spacer bush (6) being arranged on the rotating shaft (31).

7. The V-clamp for ground tongs according to claim 3, characterized in that the outer wheel surface of the fixed roller (32) is lower than the inner channel wall surface of the V-channel (2).

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