阅读说明：本技术 一种剪切销切断装置的加工方法及其加工工装 (Machining method and machining tool of shear pin cutting device ) 是由 生新科 于 2020-06-10 设计创作，主要内容包括：本发明的目的在于,提供一种剪切销切断装置及其加工方法,用于检测小直径剪切销的受力；包括配重板1,底板2,压板3,芯轴4,护罩5；所述底板2设置在所述配重板1上侧；所述压板3外套在所述底板2的上部外表面；所述芯轴4内置在所述底板2的中空内部；所述护罩5外套在所述压板3的外表面；所述压板3与所述底板2均径向设置有相互配套的剪切销孔；本发明的有益效果为：可以安全可靠地测试剪切销的切断力；加工工艺保证零件精度,实现了位置互换的要求。(The invention aims to provide a shearing pin cutting device and a processing method thereof, which are used for detecting the stress of a small-diameter shearing pin; comprises a weight plate 1, a bottom plate 2, a pressure plate 3, a mandrel 4 and a shield 5; the bottom plate 2 is arranged on the upper side of the counterweight plate 1; the pressing plate 3 is sleeved on the outer surface of the upper part of the bottom plate 2; the mandrel 4 is arranged in the hollow interior of the bottom plate 2; the shield 5 is sleeved on the outer surface of the pressure plate 3; the pressing plate 3 and the bottom plate 2 are radially provided with mutually matched shearing pin holes; the invention has the beneficial effects that: the cutting force of the shear pin can be tested safely and reliably; the machining process ensures the precision of parts and meets the requirement of position exchange.)

1. A method for processing a shearing pin cutting device,

s1: a positioning screw hole is reserved on the upper surface of the pressing plate (3);

s2: placing a position spacer ring (7) between the lower side edge of the pressure plate (3) and the upper surface of the bottom edge of the bottom plate (2);

s3: fixing the bottom plate (2) and the pressing plate (3) through a fixing piece, penetrating through a process lug (6) and a reserved screw hole;

s4: and processing pin holes along the radial direction.

2. The method of claim 1, wherein said fastener in S3 is a screw.

3. The method of claim 1, wherein the pin hole is processed in S4 by a slow wire process.

4. A processing tool of a shearing pin cutting device comprises the shearing pin cutting device, a technical lug (6) and a position space ring (7);

it is characterized in that the preparation method is characterized in that,

the technical lug (6) is fixed on the upper surface of the shearing pin cutting device through screws;

the shearing pin cutting device comprises a balance weight plate (1), a bottom plate (2), a pressing plate (3), a mandrel (4) and a shield (5);

the bottom plate (2) is arranged on the upper side of the counterweight plate (1); the outer surface of the upper part of the bottom plate (2) is sleeved with the pressing plate (3); the mandrel (4) is arranged in the hollow interior of the bottom plate (2); the outer surface of the pressing plate (3) is sleeved with the shield (5);

the position space ring (7) is arranged between the pressing plate (3) and the bottom plate (2).

5. A machining tool for a shear pin cutting apparatus according to claim 4; the height of the position space ring (7) is equal to the height of a gap between the pressure plate (3) and the bottom plate (2) when the shear pin holes of the pressure plate (3) and the bottom plate (2) are aligned.

6. A machining tool for a shear pin cutting apparatus according to claim 5; the process lug is characterized in that the process lug (6) is an octagonal workpiece.

7. A machining tool for a shear pin cutting apparatus according to claim 6; the novel screw is characterized in that four screw holes are formed in the technical lug (6).

Technical Field

The invention relates to the field of measuring tools, in particular to a shearing pin cutting device.

Background

The shearing pin is a pin shaft for connecting the pushing rod and the connector, the pin shaft is relatively high in stress, is easily bent and damaged due to frequent stress, and is not easy to disassemble and assemble after bending, so that the shearing pin needs to be subjected to stress detection before leaving a factory, and the quality of the shearing pin is ensured.

The shearing pin cutting devices on the market are large and are not suitable for detecting the shearing pin with the small diameter, so that a detection device suitable for detecting the stress degree of the small-diameter shearing pin is needed.

Disclosure of Invention

The invention aims to provide a shear pin cutting device which is used for detecting the stress of a small-diameter shear pin.

A method for processing a shearing pin cutting device,

s1: a positioning screw hole is reserved on the upper surface of the pressing plate 3;

s2: placing a position spacer 7 between the underside edge of the platen 3 and the bottom edge upper surface of the base plate 2;

s3: fixing the bottom plate 2 and the pressing plate 3 through a fixing piece, penetrating a process lug 6 and a reserved screw hole;

s4: and processing pin holes along the radial direction.

Preferably, the fastener described in S3 is a screw.

Preferably, the method for machining the pin hole in the step S4 is a slow wire machining process.

A processing tool of a shearing pin cutting device comprises the shearing pin cutting device, a technical lug 6 and a position space ring 7;

the technical lug 6 is fixed on the upper surface of the shearing pin cutting device through screws;

the shearing pin cutting device comprises a balance weight plate 1, a bottom plate 2, a pressing plate 3, a mandrel 4 and a shield 5;

the bottom plate 2 is arranged on the upper side of the counterweight plate 1; the pressing plate 3 is sleeved on the outer surface of the upper part of the bottom plate 2; the mandrel 4 is arranged in the hollow interior of the bottom plate 2; the shield 5 is sleeved on the outer surface of the pressure plate 3;

the position spacer 7 is arranged between the pressure plate 3 and the bottom plate 2.

Preferably, the height of the position spacer 7 is equal to the height of the gap between the pressure plate 3 and the bottom plate 2 when the shear pin holes of the pressure plate 3 and the bottom plate 2 are aligned.

Preferably, the process lug 6 is an octagonal workpiece.

Preferably, four screw holes are formed in the process lug 6.

The invention has the beneficial effects that: the breaking force of the shear pin can be tested safely and reliably. The machining process ensures the precision of parts and meets the requirement of position exchange.

Drawings

FIG. 1 is a schematic view of a tooling and a device in machining;

FIG. 2 is a schematic diagram of the structure A-A in bitmap 1;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a front view of the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;

in the figure, the position of the upper end of the main shaft,

1. a weight plate; 2. a base plate; 3. pressing a plate; 4. a mandrel; 5. a shield; 6. a process lug; 7. a position space ring.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

The present invention will now be described in detail with reference to the drawings, which are given by way of illustration and explanation only and should not be construed to limit the scope of the present invention in any way.

A method for processing a shearing pin cutting device,

s1: a positioning screw hole is reserved on the upper surface of the pressing plate 3;

s2: placing a position spacer 7 between the underside edge of the platen 3 and the bottom edge upper surface of the base plate 2;

s3: fixing the bottom plate 2 and the pressing plate 3 through a fixing piece, penetrating a process lug 6 and a reserved screw hole;

s4: and processing pin holes along the radial direction.

In the preferred embodiment, the fastening member described in S3 is a screw.

In the preferred embodiment, the method for machining the pin hole in S4 is a slow wire machining process.

A processing tool of a shearing pin cutting device comprises the shearing pin cutting device, a technical lug 6 and a position space ring 7;

the technical lug 6 is fixed on the upper surface of the shearing pin cutting device through screws;

the shearing pin cutting device comprises a balance weight plate 1, a bottom plate 2, a pressing plate 3, a mandrel 4 and a shield 5;

the bottom plate 2 is arranged on the upper side of the counterweight plate 1; the pressing plate 3 is sleeved on the outer surface of the upper part of the bottom plate 2; the mandrel 4 is arranged in the hollow interior of the bottom plate 2; the shield 5 is sleeved on the outer surface of the pressure plate 3;

the position spacer 7 is arranged between the pressure plate 3 and the bottom plate 2.

In the present embodiment, the height of the position spacer 7 is equal to the height of the gap between the pressure plate 3 and the bottom plate 2 when the shear pin holes of the pressure plate 3 and the bottom plate 2 are aligned.

In this embodiment, the process tab 6 is preferably an octagonal workpiece.

In this embodiment, preferably, four screw holes are provided on the craft lug 6.

It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.