CN209919637U

CN209919637U - Clamping device for grinding metal sheet and metal block

Info

Publication number: CN209919637U
Application number: CN201920567015.4U
Authority: CN
Inventors: 王永霞
Original assignee: Bengbu College
Current assignee: Bengbu College
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-01-10
Anticipated expiration: 2029-04-24

Abstract

The utility model provides a grind clamping device of sheetmetal and metal block, its characterized in that: the clamping device comprises a first clamping arm (1) and a second clamping arm (2) which are hinged together, a screw rod (3) is arranged at the end part of one end of the first clamping arm (1) and the end part of one end of the second clamping arm (2) in a penetrating mode, and a cross rod (4) is arranged at the end part of one end of the screw rod (3) in a penetrating mode. The utility model has the advantages of simple structure, convenient use, firm clamping, and being suitable for the clamping of the metal sheet and the metal block, etc.

Description

Clamping device for grinding metal sheet and metal block

The technical field is as follows:

the utility model belongs to the technical field of metal material's research and specifically relates to just a clamping device who grinds sheetmetal and metal block.

Background art: at present, the function of a clamp for grinding a metal sample is single, or the clamp is used for clamping a metal block or a metal sheet, and devices capable of clamping the block sample and the sheet sample simultaneously are few. The Dun family love et al's Utility model ' a clamping device for polishing a surface of a metal sheet ' (patent publication No. 202649018U) solves the problems of difficulty in holding and finger damage during polishing. However, the device is difficult to clamp the extremely thin test piece, and the clamping device is worn due to the uneven polishing surface existing in the process of clamping the extremely thin test piece. The utility model 'metallographic specimen clamping device' (patent publication No. 108857892A) of Xuhong et al at Jilin university is only suitable for polishing block specimens with regular shapes, and can not clamp extremely thin sheet specimens.

The utility model has the following contents:

the utility model provides a clamping device for grinding metal sheets and metal blocks, which aims to overcome the defects in the prior art.

The application provides the following technical scheme:

the utility model provides a clamping device of mill sheetmetal and metal block which characterized in that: the clamping device comprises a first clamping arm and a second clamping arm, wherein the first clamping arm comprises a first arm rod, a first hinge through hole is formed in the middle of the first arm rod, a first cantilever extends out of one end of the first arm rod, and a first clamping plate which is horizontally distributed extends out of the other end of the first arm rod; the second clamping arm comprises a second arm rod, a second hinge through hole which corresponds to and is matched with the first hinge through hole is arranged in the middle of the second arm rod, a second cantilever which is horizontally distributed extends out of one end of the second arm rod, a second clamping plate which is horizontally distributed extends out of the other end of the second arm rod, a lead screw penetrates through the second cantilever and the first cantilever, a cross rod penetrates through the end portion of one end of the lead screw, and a hinge pin is inserted into the first hinge through hole and the second hinge through hole.

On the basis of the technical scheme, the following further technical scheme can be provided:

the area of the second clamping plate is smaller than that of the first clamping plate, and the end face of one side of the second clamping plate and the end face of the same side of the first clamping plate are in the same vertical plane.

Two ends of the cross rod are respectively provided with a limiting block.

Utility model advantage:

the utility model has the advantages of simple structure, convenient to use, centre gripping are firm, and be applicable to the centre gripping of sheetmetal and metal piece, and the clamping is safe, can not cause the damage to the finger when grinding, is applicable to the sheetmetal of the metal piece of equidimension not and the sheetmetal of equidimension shape not.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural view of the first clamp arm 1 in fig. 1;

fig. 3 is a schematic structural view of the second clamping arm 2 in fig. 1;

FIG. 4 is a schematic view of the clamping metal block of the present invention during polishing;

fig. 5 is a schematic diagram of the clamping foil of the present invention when polishing.

The specific implementation mode is as follows:

as shown in fig. 1-5, a clamping device for grinding metal sheets and metal blocks comprises a first clamping arm 1 and a second clamping arm 2 which are hinged together. First arm lock 1 include the first armed lever 1a of slope distribution, be equipped with first articulated through-hole 1c in the middle part of first armed lever 1a, extend horizontal distribution's first cantilever 1b in first armed lever 1a one end, extend horizontal distribution's first splint 1d at first armed lever 1a other end. The first arm lever 1a, the first cantilever 1b and the first clamping plate 1d are of an integrated structure. The first clamping plate 1d has a higher level than the first suspension arm 1 b.

Second arm lock 2 including the second armed lever 2a that the slope distributes, be equipped with at the middle part of second armed lever 2a and correspond complex second articulated through-hole 2c with first articulated through-hole 1c, extend horizontal distribution's second cantilever 2b in second armed lever 2a one end, extend horizontal distribution's second splint 2d at the second armed lever 2a other end, the area of second splint 2d is less than first splint 1 d's area, and the thickness terminal surface of second splint 2d one side and the thickness terminal surface of first splint 1d homonymy in same vertical plane. The second arm lever 2a, the second cantilever 2b and the second clamping plate 2d are of an integrated structure. The second clamping plate 2d has a higher level than the second suspension arm 2 b.

A hinge pin 5 is inserted into the first hinge through hole 1c and the second hinge through hole 2c, and the first clamping arm 1 and the second clamping arm 2 are hinged together through the hinge pin 5. So that the first clamping arm 1 and the second clamping arm 2 are distributed in a scissor shape. The second clamping plate 2 is positioned below the first clamping plate 1d, and the second suspension arm 2b is positioned above the first suspension arm 1 b.

And the second cantilever 2b and the first cantilever 1b are both provided with a threaded hole 8 correspondingly matched with the screw rod 3, and the thread directions in the two threaded holes 8 are opposite. The two threaded holes 8 are vertically penetrated with a screw rod 3. The upper end of the screw rod 3 is provided with a through hole 3a which is horizontally distributed, the through hole 3a is penetrated with a horizontal rod 4 which is horizontally distributed, and two ends of the horizontal rod 4 are respectively welded with a limiting block 4a of which the diameter is larger than that of the through hole 3 a. The through hole 3a is a unthreaded hole, so that the cross rod 4 can slide back and forth in the through hole 3a, and the cross rod 4 cannot be separated from the through hole 3a through the limiting block 4 a.

The screw rod 3 is driven to rotate by rotating the cross rod 4, and then the second cantilever 2b and the first cantilever 1b are driven to move on the screw rod 3, so that the first clamping plate 1d and the second clamping plate 2d are driven to clamp the metal block or the metal sheet with the polished surface inwards.

The working process is as follows:

1) as shown in fig. 4, the metal block 6 to be polished is placed between the first clamping plate and the second clamping plate, the surface to be polished extends out of the thickness end face of the second clamping plate on the same side as the first clamping plate, and then the cross rod is rotated to enable the first clamping plate and the second clamping plate to be folded inwards, so that the metal block 6 is clamped. And then the metal block can be ground.

As shown in fig. 5, a metal sheet 7 to be ground is placed between the first and second jaws, as shown in fig. 4, and then the cross bar is rotated so that the first and second jaws are folded inward, thereby clamping the metal sheet 7. Because the area of second splint is less than the area of first splint, consequently after first splint and the tight sheetmetal 7 of second splint clamp, some sheetmetal 7 will be located the second splint outside, and paste on the lower surface of first splint. The section of sheet metal 7 can now be sanded against the edge of the sanding table.

Claims

1. The utility model provides a clamping device of mill sheetmetal and metal block which characterized in that: the clamping device comprises a first clamping arm (1) and a second clamping arm (2), wherein the first clamping arm (1) comprises a first arm rod (1 a), a first hinge through hole (1 c) is formed in the middle of the first arm rod (1 a), a first cantilever (1 b) extends from one end of the first arm rod (1 a), and a first clamping plate (1 d) which is horizontally distributed extends from the other end of the first arm rod (1 a); the second clamping arm (2) comprises a second arm rod (2 a), a second hinge through hole (2 c) corresponding to the first hinge through hole (1 c) is formed in the middle of the second arm rod (2 a), a second cantilever (2 b) horizontally distributed is extended from one end of the second arm rod (2 a), a second clamping plate (2 d) horizontally distributed is extended from the other end of the second arm rod (2 a), a lead screw (3) is threaded on the second cantilever (2 b) and the first cantilever (1 b), a cross rod (4) is arranged at one end of the lead screw (3) in a penetrating mode, and a hinge pin (5) is inserted in the first hinge through hole (1 c) and the second hinge through hole (2 c).

2. A clamping device for grinding a metal sheet and a metal block as claimed in claim 1, wherein: the area of the second clamping plate (2 d) is smaller than that of the first clamping plate (1 d), and the end face of one side of the second clamping plate (2 d) and the end face of the same side of the first clamping plate (1 d) are in the same vertical plane.

3. A clamping device for grinding a metal sheet and a metal block as claimed in claim 1, wherein: two ends of the cross rod (4) are respectively provided with a limiting block (4 a).