CN216656467U

CN216656467U - Drill jig

Info

Publication number: CN216656467U
Application number: CN202220068094.6U
Authority: CN
Inventors: 方发成
Original assignee: Chengdu Ruichi Precision Machinery Manufacturing Co ltd
Current assignee: Chengdu Ruichi Precision Machinery Manufacturing Co ltd
Priority date: 2022-01-12
Filing date: 2022-01-12
Publication date: 2022-06-03
Anticipated expiration: 2032-01-12

Abstract

The utility model provides a drill jig, and relates to the technical field of machining equipment. The drill jig comprises an upper die and a lower die. The lower die is provided with a screw and a lug. The upper die is provided with a guide hole, and one side of the upper die facing the lower die is provided with an arc-shaped groove matched with the convex block. The upper die is provided with a first connecting block, the lower die is provided with a second connecting block, and the first connecting block is hinged to the second connecting block. The one end of going up the mould and keeping away from first connecting block has set firmly connecting portion, sets up the breach that matches with the screw rod on the connecting portion, and threaded connection has the nut on the screw rod. When the workpiece to be drilled is fixed, the workpiece can be placed on the convex block of the lower die, the upper die is rotated, the upper die is pressed on the workpiece, the screw rod penetrates through the notch, the nut is screwed on the screw rod, the nut is screwed down, the workpiece can be clamped through the upper die and the lower die, the workpiece is not easy to shift in the machining process, and machining errors are reduced.

Description

Drill jig

Technical Field

The utility model relates to the technical field of machining equipment, in particular to a drill jig.

Background

Drilling operation is usually required on some thin-wall workpieces, and the current fixture cannot well fix the workpiece to be drilled, so that the problem of large machining error is easy to occur.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, the utility model provides a drill jig, which solves the technical problem that the existing clamp cannot well fix a workpiece to be drilled, so that the machining error is easy to be larger.

In order to achieve the purpose, the utility model provides the following technical scheme:

a drill jig mainly comprises an upper die and a lower die which are matched for use. The lower die is provided with a screw and a lug. The upper die is provided with a guide hole, and one side of the upper die facing the lower die is provided with an arc-shaped groove matched with the convex block. The upper die is provided with a first connecting block, the lower die is provided with a second connecting block, and the first connecting block is hinged to the second connecting block. The one end of going up the mould and keeping away from first connecting block has set firmly connecting portion, sets up the breach that matches with the screw rod on the connecting portion, and threaded connection has the nut on the screw rod.

In some embodiments of the utility model, the first connecting block and the second connecting block are connected by a pin. One end of the pin rod is provided with a limiting head, the other end of the pin rod is provided with a limiting hole, the limiting hole is used for being connected with a limiting pin, and the limiting head and the limiting pin are respectively positioned on two sides of the first connecting block.

In some embodiments of the utility model, two screws are symmetrically disposed on both sides of the boss.

In some embodiments of the utility model, the lower die is provided with an eye hole for connecting an eye bolt.

In some embodiments of the present invention, four lifting ring holes are respectively distributed at four corners of the lower mold.

In some embodiments of the present invention, the lower mold is provided with a drilling avoiding hole.

In some embodiments of the utility model, the upper die is provided with a blind hole, the blind hole and the guide hole are coaxial and communicated with each other, the diameter of the blind hole is larger than that of the guide hole, and the drill bushing is arranged in the blind hole.

In some embodiments of the utility model, a limiting strip is fixedly arranged in the blind hole, a connecting groove is arranged on the outer side of the drill bushing, and the limiting strip is in sliding fit with the connecting groove.

In some embodiments of the utility model, a slot is formed in one side of the limiting strip facing the drill bushing, a limiting tooth is inserted into the slot, and the limiting tooth is connected with the limiting strip through a pressure spring.

In some embodiments of the present invention, an insert plate is inserted into one side of the lower mold, and one end of the insert plate is fixedly connected with the sleeve plate.

The embodiment of the utility model at least has the following advantages or beneficial effects:

1. when a workpiece to be drilled is fixed, the workpiece can be placed on the lug of the lower die, the upper die is rotated to enable the upper die to be pressed on the workpiece, the screw rod penetrates through the notch, the nut is screwed on the screw rod, and the workpiece can be clamped through the upper die and the lower die after the nut is screwed down. After the workpiece to be drilled is fixed, the drilling tool can be used for drilling. When the drilling tool is used for drilling a workpiece, a drill bit of the drilling tool extends into the guide hole, and then the workpiece can be drilled. In the process of drilling the workpiece, the workpiece is well fixed, so that the workpiece is not easy to shift in the machining process, and the machining error is favorably reduced.

2. The lug is matched with the arc-shaped groove, the lug is arc-shaped towards one side of the arc-shaped groove, the lug and the arc-shaped groove can be better attached to a workpiece, and then the workpiece is clamped and fixed by the upper die and the lower die conveniently.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the specification, claims and drawings.

Drawings

For a clearer explanation or technical solution of the embodiments of the present application, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a drill jig;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

FIG. 4 is a schematic structural view of a pin;

FIG. 5 is a schematic structural view of a limit strip and limit teeth;

fig. 6 is a schematic structural view of the socket plate.

Icon: 1-upper die, 12-guide hole, 13-arc groove, 14-first connecting block, 15-connecting part, 151-notch, 16-nut, 17-blind hole, 171-limiting strip, 172-slot, 173-limiting tooth, 174-pressure spring, 18-drill bushing, 181-connecting groove, 2-lower die, 21-screw rod, 22-lug, 23-second connecting block, 24-hanging ring hole, 25-avoiding hole, 161-inserting plate, 162-connecting sleeve plate, 3-pin rod, 31-limiting head and 32-limiting hole.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the embodiments of the present invention, it should be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1

Referring to fig. 1 to 4, the present embodiment provides a drill jig, which mainly includes an upper die 1 and a lower die 2 used in cooperation. The lower die 2 has a screw 21 and a projection 22. The upper die 1 is provided with a guide hole 12, and one side of the upper die 1 facing the lower die 2 is provided with an arc-shaped groove 13 matched with the convex block 22. Lug 22 matches with arc wall 13, and lug 22 is the arc towards one side of arc wall 13, and lug 22 just can laminate the work piece better with arc wall 13, and then conveniently go up mould 1 and lower mould 2 fixed to the centre gripping of work piece. The upper die 1 is provided with a first connecting block 14, the lower die 2 is provided with a second connecting block 23, and the first connecting block 14 is hinged to the second connecting block 23. Go up mould 1 and keep away from the one end of first connecting block 14 and set firmly connecting portion 15, set up the breach 151 that matches with screw rod 21 on connecting portion 15, threaded connection has nut 16 on the screw rod 21.

When fixing a workpiece to be drilled, the workpiece may be placed on the projection 22 of the lower die 2, the upper die 1 is rotated to press the upper die 1 onto the workpiece, the screw 21 passes through the notch 151, the nut 16 is screwed onto the screw 21, and the nut 16 is screwed to clamp the workpiece through the upper die 1 and the lower die 2. After the workpiece to be drilled is fixed, the drilling tool can be used for drilling. When the drill is used to drill a workpiece, the drill of the drill is inserted into the guide hole 12, so that the workpiece can be drilled. In the process of drilling the workpiece, the workpiece is well fixed, so that the workpiece is not easy to shift in the machining process, and the machining error is favorably reduced.

In the present embodiment, preferably, the first connecting block 14 and the second connecting block 23 are hinged by the pin 3, and the first connecting block 14 and the upper die 1 can rotate about the axis of the pin 3. One end of the pin rod 3 is provided with a limiting head 31, the other end is provided with a limiting hole 32, the limiting hole 32 is used for connecting a limiting pin (not shown in the figure), and the limiting head 31 and the limiting pin are respectively positioned at two sides of the first connecting block 14.

In the present embodiment, in order to better clamp and fix the workpiece by the upper die 1 and the lower die 2, preferably, two screws 21 are symmetrically disposed on both sides of the projection 22, and accordingly, nuts 16 are respectively screwed on the two screws 21.

The lower die 2 is provided with a lifting eye hole 24 for connecting a lifting eye bolt, so that the drilling jig can be lifted after the lifting eye bolt is installed on the lower die 2. More specifically, four suspension ring holes 24 are respectively distributed at four corners of the lower mold 2.

The lower die 2 is provided with a drilling avoiding hole 25 so as to avoid a drill bit of the drilling tool.

The upper die 1 is provided with a blind hole 17, the blind hole 17 and the guide hole 12 are coaxial and communicated with each other, the diameter of the blind hole 17 is larger than that of the guide hole 12, and a drill bushing 18 is arranged in the blind hole 17 so as to better position a drill bit for drilling.

Example 2

The present embodiment is a further improvement made on the basis of embodiment 1.

Referring to fig. 1-6, in the present embodiment, a limiting bar 171 is fixedly disposed in the blind hole 17, a connecting groove 181 is disposed on an outer side of the drill sleeve 18, and the limiting bar 171 is slidably engaged with the connecting groove 181, so as to facilitate the disassembly, assembly, and replacement of the drill sleeve 18.

The limiting strip 171 is provided with a slot 172 on one side facing the drill bushing 18, the slot 172 is inserted with a limiting tooth 173, and the limiting tooth 173 is connected with the limiting strip 171 through a pressure spring 174. When the drill sleeve 18 needs to be removed from the blind hole 17, the stop teeth 173 are fully pressed into the slots 172, and then the drill sleeve 18 is removed from the blind hole 17.

An insert plate 161 is inserted into one side of the lower die 2, and one end of the insert plate 161 is fixedly connected with a sleeve connecting plate 162. When the drill bushing 18 in the blind hole 17 needs to be taken out, the bushing plate 162 can be moved along the direction away from the lower die 2, the upper die 1 is rotated along the direction away from the lower die 2, the upper die 1 is parallel to the lower die 2, the limiting teeth 173 are completely pressed into the insertion grooves 172, the drill bushing 18 is ejected out of the blind hole 17 from one end of the guide hole 12, and the drill bushing 18 can fall on the bushing plate 162 after being separated from the blind hole 17, so that the drill bushing 18 is prevented from directly falling on the ground from a high position.

Finally, it should be noted that: the present invention is not limited to the above-described preferred embodiments, but various modifications and changes can be made by those skilled in the art, and the embodiments and features of the embodiments of the present invention can be combined with each other arbitrarily without conflict. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The drill jig is characterized by comprising an upper die and a lower die which are matched for use;

the lower die is provided with a screw and a lug;

the upper die is provided with a guide hole, and one side of the upper die, facing the lower die, is provided with an arc-shaped groove matched with the lug;

the upper die is provided with a first connecting block, the lower die is provided with a second connecting block, and the first connecting block is hinged with the second connecting block;

the one end that goes up the mould and keep away from first connecting block has set firmly connecting portion, set up on the connecting portion with the breach that the screw rod matches, threaded connection has the nut on the screw rod.

2. The jig of claim 1, wherein the first connection block and the second connection block are connected by a pin;

one end of the pin rod is provided with a limiting head, the other end of the pin rod is provided with a limiting hole, the limiting hole is used for connecting a limiting pin, and the limiting head and the limiting pin are respectively positioned on two sides of the first connecting block.

3. The jig according to claim 1, wherein the two threaded rods are symmetrically disposed on both sides of the boss.

4. The drill jig as claimed in claim 1, wherein the lower die is provided with an eye ring hole for connecting an eye bolt.

5. The drill jig as claimed in claim 4, wherein four lifting ring holes are distributed at four corners of the lower die, respectively.

6. The drill jig as claimed in claim 1, wherein the lower mold is provided with a drilling avoiding hole.

7. The drill jig as claimed in any one of claims 1 to 6, wherein the upper die is provided with a blind hole, the blind hole and the guide hole are coaxial and communicated with each other, the diameter of the blind hole is larger than that of the guide hole, and a drill bushing is arranged in the blind hole.

8. The drill jig as claimed in claim 7, wherein a limiting bar is fixedly arranged in the blind hole, a connecting groove is arranged on the outer side of the drill sleeve, and the limiting bar is in sliding fit with the connecting groove.

9. The drill jig as claimed in claim 8, wherein a slot is formed in one side of the limiting strip facing the drill bushing, a limiting tooth is inserted into the slot, and the limiting tooth is connected with the limiting strip through a pressure spring.

10. The drill jig as claimed in claim 8, wherein an insert plate is inserted into one side of the lower mold, and one end of the insert plate is fixedly connected with a sleeve plate.