CN211389613U - An adjustable test rod crystal orientation wire cutting fixture - Google Patents

Abstract

The utility model relates to the field of tooling design in machining, in particular to an adjustable test rod crystal orientation line cutting fixture, comprising a bottom plate, a first vertical plate and a second vertical plate are fixed on the front and rear sides of the bottom plate, and the first vertical plate is A positioning mechanism for positioning the test rod is fixed on the upper end of the plate and the second vertical plate, and a pressing and driving mechanism is also arranged between the first vertical plate and the second vertical plate, and the pressing and driving mechanism is connected with a driving mechanism through which The pressing mechanism for pressing the test rod X. After positioning the test bar by the positioning mechanism, the pressing mechanism can be driven to press the test bar by the action between the first vertical plate and the second vertical plate by the pressing driving mechanism, which is easy to operate, and the clamping state can be driven by pressing It is suitable for positioning and clamping of test bars of different diameters during the wire cutting process. The structure is compact, flexible and convenient, and the positioning is accurate and effective.

Description

An adjustable test rod crystal orientation wire cutting fixture

technical field

The utility model relates to the field of tooling design in machining, in particular to an adjustable test rod crystal orientation line cutting fixture.

Background technique

The viewing of the grain orientation angle of the test rod can only be realized after wire cutting, and the cutting surface during wire cutting must be on the theoretical grain angle plane. To obtain such an accurate wire cutting surface, the test rod must be accurately positioned. To ensure that the axial direction of the test rod is controlled, this requires an effective positioning and clamping device to complete. In the previous wire cutting fixture, the clamping structure of the test bar is too simple, the operation is cumbersome, and it fails to meet the existing production progress. We urgently need a wire cutting fixture that can realize simple operation and can be compatible with test bars of different diameters. .

Utility model content

The purpose of the utility model is to provide a test rod crystal orientation wire cutting fixture with convenient operation, adjustable structure, high clamping efficiency and certain compatibility effect, so as to facilitate the smooth implementation of the grain orientation wire cutting process.

The technical scheme adopted by the utility model to realize its purpose is as follows:

An adjustable test bar crystal orientation line cutting fixture, comprising a bottom plate, a first vertical plate and a second vertical plate are fixed on the front and rear sides of the bottom plate, and the upper ends of the first vertical plate and the second vertical plate are fixed for positioning the test bar X positioning mechanism, and a pressing driving mechanism is also provided between the first vertical plate and the second vertical plate, and the pressing driving mechanism is connected with a pressing mechanism for driving and pressing the test rod X through it.

Further, the pressing driving mechanism includes two driving screws rotatably installed on the left and right sides of the base plate and a driving block engaged with the driving screws, and the driving block is driven on the The first vertical plate and the second vertical plate move left and right; the pressing mechanism includes a left pressing hook and a right pressing hook arranged oppositely in an L shape, and the left pressing hook and the right pressing hook are respectively connected to the two on the drive block.

Further, the positioning mechanism includes a V-shaped positioning block, and the left and right sides of the V-shaped positioning block are respectively provided with escape openings for avoiding the left pressing hook and the right pressing hook.

Further, the left and right pressure hooks are rotatably connected to the left and right sides of the positioning mechanism through fixing pins, the drive block is provided with a longitudinal opening groove, and the lower ends of the left and right pressure hooks are mounted on the left and right sides of the positioning mechanism. There are free drive pins that sit within the open slots.

Further, opposite sides of the first vertical plate and the second vertical plate are provided with corresponding horizontal sliding grooves, and the driving block is adapted to the horizontal sliding grooves.

Further, the left and right sides of the bottom plate are provided with mounting seats for installing the driving screws, the driving screws are provided with a limit groove that surrounds a circle, and two screws placed on the driving screws are fixed in the mounting seats. The limit pin embedded in the limit slot.

Beneficial effects: after the test rod X is positioned by the positioning mechanism, the pressing mechanism can be driven to press the test rod X by the action between the first vertical plate and the second vertical plate by the pressing driving mechanism, which is convenient to operate and the clamping state It can be adjusted by pressing the drive mechanism, and the positioning is simplified. It is suitable for positioning and clamping of test bars of different diameters during the wire cutting process. The structure is compact, flexible and convenient, and the positioning is accurate and effective.

Description of drawings

Fig. 1 is the top view structure schematic diagram of the embodiment of the present utility model;

Fig. 2 is the sectional view at A-A place in Fig. 1;

Fig. 3 is the sectional view at D-D place in Fig. 2;

FIG. 4 is a cross-sectional view at B-B and C-C in FIG. 2 .

Detailed ways

The technical solutions of the present utility model will be further described below with reference to the accompanying drawings, but the scope of protection of the present utility model is not limited thereto.

1-4, an adjustable test rod crystal orientation wire cutting fixture, including a base plate 1, the front and rear sides of the base plate 1 are fixed with a first vertical plate 9 and a second vertical plate 10, the first vertical plate 9 and The upper end of the second vertical plate 10 is fixed with a positioning mechanism for positioning the test rod X, and a pressing and driving mechanism is also provided between the first vertical plate 9 and the second vertical plate 10, and the pressing and driving mechanism is connected with a It drives the pressing mechanism that presses the test rod X.

After the test rod X is positioned by the positioning mechanism, the pressing mechanism can be driven to press the test rod X by moving between the first vertical plate 9 and the second vertical plate 10 by pressing the driving mechanism, which is easy to operate and the clamping state can be adjusted. It is adjusted by pressing the drive mechanism, and the positioning is simplified. It is suitable for the positioning and clamping of test bars of different diameters when performing the wire cutting process. The structure is compact, flexible and convenient, and the positioning is accurate and effective.

Specifically, the pressing driving mechanism includes two driving screws 2 rotatably installed on the left and right sides of the bottom plate 1 and two driving blocks 3 respectively engaged with the two driving screws 2, and the driving blocks 3 pass through the The driving screw 2 is driven to move left and right between the first vertical plate 9 and the second vertical plate 10; the pressing mechanism includes a left pressing hook 8 and a right pressing hook 7 which are arranged in an L-shape opposite to each other. The left pressing hook 8 and the right pressing hook 7 are respectively connected to the two driving blocks 3 . Rotating the driving screws 2 on the left and right sides during operation can drive the two driving blocks 3 to move towards each other between the first vertical plate 9 and the second vertical plate 10, thereby driving the left pressing hook 8 and the right pressing hook 7 to press and release the test rod X.

On the basis of the foregoing embodiment, the positioning mechanism includes a V-shaped positioning block 6, and the left and right sides of the V-shaped positioning block 6 are respectively provided with escape openings for avoiding the left pressing hook 8 and the right pressing hook 7. There is a V-shaped opening on the upper side of the V-shaped positioning block 6, which is convenient for placing the test rod X and positioning it, and the avoidance openings on the left and right sides can easily avoid the left pressing hook 8 and the right pressing hook 7, so that they can fully press the test rod. Stick X.

On the basis of the foregoing embodiment, the left pressing hook 8 and the right pressing hook 7 are rotatably connected to the left and right sides of the positioning mechanism through the fixing pin 5, and the driving block 3 is provided with a longitudinal opening groove, and the left pressing hook is The lower ends of the hook 8 and the right pressing hook 7 are equipped with a free drive pin 4, the free drive pin 4 is placed in the open slot, the lateral freedom of the free drive pin 4 is limited by the drive block 3, and the longitudinal freedom can be in the open slot. It moves up and down in order to automatically adjust the length of the driving arm when the left pressing hook 8 and the right pressing hook 7 are driven to rotate; in this way, when the two driving blocks 3 are driven to move towards each other by rotating the driving screw 2, the two free driving pins will be forced. 4. A rotational driving force is generated for the left pressing hook 8 and the right pressing hook 7, the left pressing hook 8 and the right pressing hook 7 start to rotate around the fixing pin 5, and the lower ends are close, so that the upper pressing structure begins to open; After the test bar X, rotate the driving screws 2 on the left and right sides to drive the two driving blocks 3 to act in the opposite direction, the left pressing hook 8 and the right pressing hook 7 are stressed, and the upper end pressing structure begins to tighten until the cutting test is completed. until the rod is pressed. During the opening and pressing process, the test bars of different diameters within a certain range can be loaded and pressed. Restriction, in this embodiment, the compatible diameter range is set between φ14 and φ32 mm. In addition, the fixing pin 5 can be installed in the escape opening, so that the left pressure hook 8 and the right pressure hook 7 can be rotated in the escape opening.

On the basis of the foregoing embodiment, the opposite sides of the first vertical plate 9 and the second vertical plate 10 are provided with corresponding horizontal sliding grooves, the driving block 3 is adapted to the horizontal sliding groove, and the driving block 3 is located in the horizontal sliding groove. Driven by the driving screw 2, it moves along the horizontal chute, which is more stable.

On the basis of the foregoing embodiment, the left and right sides of the bottom plate 1 are provided with mounting seats for installing the driving screw 2, the driving screw 2 is provided with a limit groove that surrounds a circle, and two mounting seats are fixed in the mounting seat. Limiting pins 11 on both sides of the driving screw 2 and embedded in the limiting groove, the driving screw 2 can only rotate in place under the restriction of the limiting pin 11 to prevent it from moving left and right. In addition, a small oiling hole can also be provided in the middle of the two limit pins 11 to provide lubricating oil required for the rotation of the journal of the drive screw 2 .

On the basis of the previous embodiment, the base plate 1, the driving screw 2, the driving block 3, the free driving pin 4, the fixed rotating pin 5, the right pressing hook 7, the left pressing hook 8, the limit pin 11, the first vertical plate 9, The second vertical plate 10 is made of 45 steel with moderate strength and processing difficulty, and the surface is heat-treated to about HRC40; while the V-shaped positioning block 6 is made of CrWMn material, and the surface is heat-treated to about HRC58 to improve the wear strength of the positioning surface. , resist the positioning error caused by wear.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that the foregoing embodiments can still be used for The recorded technical solutions are modified, or some or all of the technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. The adjustable test bar crystal orientation linear cutting clamp comprises a base plate (1) and is characterized in that a first vertical plate (9) and a second vertical plate (10) are fixed on the front side and the rear side of the base plate (1), a positioning mechanism used for positioning a test bar is fixed at the upper ends of the first vertical plate (9) and the second vertical plate (10), a pressing driving mechanism is further arranged between the first vertical plate (9) and the second vertical plate (10), and the pressing driving mechanism is connected with a pressing mechanism used for driving the test bar to be pressed.

2. The adjustable test bar crystal orientation wire-electrode cutting clamp according to claim 1, wherein the pressing driving mechanism comprises two driving screws (2) respectively rotatably mounted on the left and right sides of the bottom plate (1) and a driving block (3) engaged with the driving screws (2), and the driving block (3) is driven by the driving screws (2) to move left and right between the first vertical plate (9) and the second vertical plate (10); the pressing mechanism comprises a left pressing hook (8) and a right pressing hook (7) which are oppositely arranged in an L shape, and the left pressing hook (8) and the right pressing hook (7) are respectively connected to the two driving blocks (3).

3. The adjustable test rod crystal orientation linear cutting clamp according to claim 2, wherein the positioning mechanism comprises a V-shaped positioning block (6), and the left side and the right side of the V-shaped positioning block (6) are respectively provided with an avoidance port for avoiding the left pressing hook (8) and the right pressing hook (7).

4. The adjustable test rod crystal orientation linear cutting clamp according to claim 2 or 3, wherein the left press hook (8) and the right press hook (7) are rotatably connected to the left side and the right side of the positioning mechanism through fixing pins (5), a longitudinal open slot is formed in the driving block (3), a free driving pin (4) is installed at the lower ends of the left press hook (8) and the right press hook (7), and the free driving pin (4) is arranged in the open slot.

5. The adjustable test bar crystal orientation wire-electrode cutting clamp according to claim 2, characterized in that the opposite sides of the first vertical plate (9) and the second vertical plate (10) are provided with corresponding horizontal sliding grooves, and the driving block (3) is adapted to the horizontal sliding grooves.

6. The adjustable test rod crystal orientation wire-cutting clamp according to claim 2, characterized in that the left and right sides of the bottom plate (1) are provided with mounting seats for mounting the driving screw (2), the driving screw (2) is provided with a limiting groove surrounding a circle, and two limiting pins (11) which are arranged at two sides of the driving screw (2) and embedded in the limiting groove are fixed in the mounting seats.

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