CN218015207U

CN218015207U - A trimming instrument for wing punches a hole

Info

Publication number: CN218015207U
Application number: CN202222025668.4U
Authority: CN
Inventors: 王延军; 叶晓波; 邓小辉
Original assignee: Boeing Tianjin Composites Co Ltd
Current assignee: Boeing Tianjin Composites Co Ltd
Priority date: 2022-08-03
Filing date: 2022-08-03
Publication date: 2022-12-13
Anticipated expiration: 2032-08-03

Abstract

The utility model discloses a trimming limit instrument for wing punches a hole, including the straight shank drift, the straight shank drift comprises the portion of gripping that supplies operating personnel to grip and the drift portion of repairing to punching a hole deckle edge, the portion of gripping with drift portion integrated into one piece sets up, the lateral part of drift portion is equipped with the trimming structure, and the trimming structure is the arc wall, the beneficial effects of the utility model are that simple structure constitutes the straight shank drift of integral type by the portion of gripping and drift portion, and production methods is swift, and the staff of being convenient for is handheld, small in size, its drift portion can with the work piece on closely cooperate that punches a hole, guarantee the trimming effect, constitute the deckle edge trimming structure that punches a hole through the arc wall, can make the trimming structure that punches a hole more laminate on trimming structure and the work piece, trim the deckle edge of the opposite punch hole both sides simultaneously, promote trimming efficiency to punch head portion inside corresponding trimming structure establishes to hollow structure, can avoid the piece to cause the influence to the trimming effect in trimming structure department, promotes the trimming precision.

Description

A trimming instrument for wing punches a hole

Technical Field

The utility model belongs to the technical field of the trimming instrument technique and specifically relates to a trimming instrument that is used for wing to punch a hole.

Background

In the prior art, after the punching process of the wing is completed, because the contact area between the processing tool and the material is small, one-way extrusion is formed, part of metal or other materials in the material are extruded out to form burrs, and the burrs need to be removed in order to ensure the punching accuracy and the service life of the part, however, the burrs are formed at a plurality of parts of the hole, such as the hole wall, the upper edge or the lower edge of the hole; in the prior art, a manual grinding mode is usually adopted for removing the burrs, but the manual grinding mode needs more manpower, has low removing efficiency and cannot ensure that each material can remove the burrs cleanly; when the machine is used for automatic grinding, the grinding head needs to be controlled to move up and down and move left and right in multiple directions, sometimes even the grinding head needs to be inclined for grinding, so that the problems of low efficiency, high cost and unclean removal during the automatic grinding of the machine are caused, in addition, a processing method for carrying out ultrasonic cleaning after grinding paste is added by the grinding rod also exists, although the grinding rod is adopted in the processing process, burrs can be effectively removed in each through hole, but the through edges exist in the through deep long holes, the grinding rod without an opening can generate burr flanging in the working process, the burr flanging can be carried out in different directions in the working process, and the phenomenon that the burrs at the hole edges are not completely removed always exists.

The application numbers are: 202122973495.4, the chinese utility model patent discloses a deburring tool for removing burrs from machined holes, comprising: a shank for rotating the deburring tool; stretch into the portion, the one end of stretching into the portion is connected the stalk portion, the other end of stretching into the portion is equipped with two intervals and the relative elastic component that sets up, two the elastic component is kept away from the one end of stalk portion all is equipped with the first coping portion that is used for getting rid of the burr in the hole after the processing, every first coping portion with correspond pass through the transition of second coping portion between the elastic component. However, the structure of the deburring tool is complex, the deburring tool needs to be manufactured through multiple processing, the production mode is complex, the grinding part can deform after being used for a long time, the grinding precision is reduced, the trimming effect is poor, the fitting degree of the grinding tool and the punched outer edge is poor, burrs on the punched outer edge cannot be thoroughly trimmed, the burr trimming efficiency is low, the structure of the grinding part is sharp, the damage to operators can be caused due to misoperation, and the safety is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a trimming instrument that is used for wing to punch a hole.

In order to achieve the above purpose, the utility model provides a technical scheme is:

the utility model provides a trimming instrument for wing punches a hole, includes the straight shank drift, and the straight shank drift comprises the portion of gripping that supplies operating personnel to grip and the drift portion of repairing to punching a hole deckle edge, the portion of gripping with drift portion integrated into one piece sets up, the lateral part of drift portion is equipped with the structure of repairing, and the structure of repairing is the arc wall.

The punching head is characterized in that a fragment cavity is arranged inside the punching head and communicated with the arc-shaped groove, the length of the fragment cavity is larger than that of the arc-shaped groove, and the diameter of the fragment cavity is the same as the width of the arc-shaped groove.

The inboard edge of arc wall towards the setting is extended to the piece chamber and the inboard edge of arc wall extends to the piece intracavity portion.

The bottom of the punch head is provided with an opening, and the opening is communicated with the fragment cavity and communicated with the arc-shaped groove through the fragment cavity.

The opening is configured as a cutting edge structure with a diameter that gradually increases from the bottom of the crumb chamber to the bottom of the punch head.

The taper of the cutting edge is 40-60 degrees.

The diameter of the punch head portion is arranged corresponding to the diameter of the punched hole in the workpiece, and the arc portion of the arc-shaped groove is arranged corresponding to the edge portion of the punched hole in the workpiece.

The arc part of the arc-shaped groove is attached to the edge of the punched hole on the workpiece.

The holding part is of a solid structure.

The utility model has the advantages that:

simple structure, constitute integral type straight shank drift by portion of gripping and drift portion, deformation can not appear owing to long-time the use, the production methods is swift, it is handheld to be convenient for the staff, small in size, save space, its drift portion can closely cooperate with punching a hole on the work piece, guarantee the trimming effect, constitute the burr trimming structure that punches a hole through the arc wall, can make trimming structure and the structure that punches a hole on the work piece more laminate, the burr to punching a hole both sides is maintained simultaneously, promote burr trimming efficiency, and the inside trimming structure that corresponds of drift portion establishes to hollow structure, can store the burr piece that drops, avoid the burr piece to pile up and cause the influence to the trimming effect in trimming structure department, promote the trimming precision, the inside piece of drift portion can discharge the drift portion through its bottom opening simultaneously, prevent the piece from piling up the jam, trimming part on this trimming instrument is comparatively small and exquisite, can not cause the injury to operating personnel because misoperation, the security is good.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

figure 2 is a side cross-sectional view of the punch head of the present invention.

In the figure: 1. a grip portion; 2. punching the head part; 3. an arc-shaped slot; 4. a debris chamber; 5. and (4) opening.

Detailed Description

The invention will be described in further detail with reference to the accompanying drawings,

the utility model provides a trimming limit instrument for wing punches a hole, includes the straight shank drift, and the straight shank drift comprises the portion of gripping 1 that supplies operating personnel to grip and punch a hole deckle edge 2 of repairing, and the portion of gripping 1 sets up with 2 integrated into one piece of drift portion, and the lateral part of drift portion 2 is equipped with the structure of repairing, and it is arc wall 3 to repair the structure, the utility model discloses the overall structure schematic diagram is as shown in figure 1.

The inside of drift portion 2 is equipped with piece chamber 4, and piece chamber 4 communicates with arc wall 3, and the length in piece chamber 4 is greater than the length of arc wall 3, and the diameter in piece chamber 4 is the same with the width of arc wall 3, and piece chamber 4 corresponds the setting with arc wall 3, and wherein, piece chamber 4 is used for holding the deckle edge piece that produces among the finishing process, avoids the deckle edge piece to adhere to on arc wall 3 and causes the influence to finishing the precision, the utility model discloses 2 side cut-away views of drift portion are shown in fig. 2.

The inner side edge of the arc-shaped groove 3 extends towards the fragment cavity 4 and the inner side edge of the arc-shaped groove 3 extends into the fragment cavity 4, wherein the inner side edge of the arc-shaped groove 3 and the fragment cavity 4 form a built-in structure, the space is saved, the edge of the arc-shaped groove is cut by the hand of an operator when the operation is lost, and the safety is good.

The bottom of punch portion 2 is equipped with opening 5, and opening 5 communicates with piece chamber 4 and communicates with arc wall 3 through piece chamber 4, and wherein, the deckle edge piece in piece chamber 4 can be via the piece chamber 4 of bottom opening 5 discharge of punch portion 2, avoids the deckle edge piece to pile up in piece chamber 4, satisfies the continuous operation demand of trimming the deckle edge instrument.

Opening 5 sets up to the blade structure from the bottom in piece chamber 4 to the bottom diameter crescent of drift portion 2, and the tapering of blade is 40-60, and the blade tapering in this scheme is 40, and wherein, the opening 5 of blade structure can promote the smooth degree of cooperation that punches a hole on drift portion 2 and the work piece when using to can get rid of the part deckle edge at the edge of punching a hole when drift portion 2 passes on the work piece, promote the deckle edge of punching a hole and repairate efficiency.

The diameter of the punch part 2 corresponds to the diameter of the punched hole on the workpiece, the arc part of the arc-shaped groove 3 corresponds to the edge part of the punched hole on the workpiece, and the straight shank punches with different specifications can be produced corresponding to the punched holes with different apertures, so that the data of the straight shank punches can be adjusted according to the specifications of the punched holes.

The arc portion of arc wall 3 and the marginal part laminating setting of punching a hole on the work piece, wherein, in the use, the marginal part laminating that punches a hole on the arc portion of arc wall 3 and the work piece can thoroughly be maintained the deckle edge on the in-process counterpunching is maintained, promotes deckle edge and maintains the effect.

The part 1 that grips is solid construction, and wherein, solid construction's the part 1 that grips can prevent that operating personnel from gripping it and warping the production degree of difficulty that has reduced the straight shank drift simultaneously.

Wherein, the material of straight shank drift in this scheme is the steel, adopts blade thermal treatment or whole thermal treatment's mode to carry out processing, and final hardness is not less than 50HRC, and surface roughness is 64Ra or higher.

Wherein, because the inside edge of the arc wall 3 that extends to the inside of piece chamber 4 is the arc, so it can not cause the hindrance to the piece in piece chamber 4, and its inside piece can be discharged through opening 5 completely, can not appear remaining the phenomenon.

The working principle is as follows:

need carry out deckle edge trimming operation to punching a hole on the work piece, the straight handle drift that corresponds is selected according to the specification of punching a hole, the staff grips straight handle drift through portion of gripping 1, and insert the drift portion 2 of straight handle drift in the drift, make the edge that punches a hole be located the inboard of arc wall 3 simultaneously the arc position of arc wall 3 with the marginal portion laminating setting that punches a hole on the work piece, punch head portion 2 inserts the in-process that punches a hole, the blade structure of its bottom can get rid of the partial deckle edge at punching hole edge, the edge that punches a hole is located the inboard back operating personnel of arc wall 3 and rotates portion of gripping 1, thereby make arc wall 3 rotate along the edge that punches a hole, after arc wall 3 orbits at least round along the edge that punches a hole, take straight handle drift out from punching a hole, can accomplish the deckle edge trimming operation of punching a hole, wherein, the number of turns of arc wall 3 orbits is adjusted according to the circumstances of actual deckle edge trimming.

The beneficial effects of the utility model are that simple structure, constitute the straight handle drift of integral type by gripping portion and drift portion, deformation can not appear owing to long-time the use, the production method is swift, it is handheld to be convenient for the staff, small in size, save space, its drift portion can closely cooperate with punching a hole on the work piece, guarantee the trimming effect, constitute burr trimming structure that punches a hole through the arc wall, can make trimming structure more laminate with the structure of punching a hole on the work piece of trimming structure, the burr to punching hole both sides is maintained simultaneously, promote burr trimming efficiency, and the inside corresponding trimming structure of drift portion establishes to hollow structure, can store the burr piece that drops, avoid the burr piece to pile up and cause the influence in trimming structure department to the trimming effect, promote the trimming precision, the inside piece of drift portion can discharge drift portion via its bottom opening simultaneously, prevent that the piece from piling up and blocking, in addition, trimming portion on the burr trimming tool is comparatively, can not cause the injury to the operating personnel owing to the misoperation, the security is good and small and exquisite.

The above detailed description of one embodiment of the present invention is only for the purpose of illustrating the preferred embodiments of the present invention, and should not be taken as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a trimming limit instrument for wing punches a hole, its characterized in that includes the straight shank drift, and the straight shank drift comprises portion of gripping (1) that supplies operating personnel to grip and drift portion (2) of repairing to the deckle edge that punches a hole, portion of gripping (1) with drift portion (2) integrated into one piece sets up, the lateral part of drift portion (2) is equipped with the trimming structure, and the trimming structure is arc wall (3).

2. The trimming tool for wing punching according to claim 1, characterized in that the inside of the punch head (2) is provided with a chip chamber (4), the chip chamber (4) is communicated with the arc-shaped slot (3), the length of the chip chamber (4) is greater than the length of the arc-shaped slot (3), and the diameter of the chip chamber (4) is the same as the width of the arc-shaped slot (3).

3. The trimming tool for wing punching according to claim 2, characterized in that the inner side edge of the arc-shaped slot (3) is arranged extending towards the debris chamber (4) and the inner side edge of the arc-shaped slot (3) extends inside the debris chamber (4).

4. The trimming tool for wing punching according to claim 3, characterized in that the bottom of the punch head (2) is provided with an opening (5), the opening (5) communicating with the debris chamber (4) and with the arc-shaped slot (3) through the debris chamber (4).

5. The trimming tool for wing punching according to claim 4, characterized in that the opening (5) is provided as a cutting edge structure with a gradually increasing diameter from the bottom of the debris chamber (4) to the bottom of the punch head (2).

6. The deburring tool of claim 5, wherein the taper of the cutting edge is 40 ° to 60 °.

7. The trimming tool for wing punching according to claim 1, wherein the diameter of the punch head (2) is arranged to correspond to the diameter of the punched hole in the workpiece, and the arc portion of the arc-shaped slot (3) is arranged to correspond to the edge portion of the punched hole in the workpiece.

8. The trimming tool for wing punching according to claim 7, characterized in that the arc-shaped part of the arc-shaped slot (3) is arranged to fit the edge part of the punched hole in the workpiece.

9. A deburring tool for wing punching according to claim 1 wherein the grip portion (1) is of solid construction.