CN217942625U

CN217942625U - Manual part lateral wall boring grab

Info

Publication number: CN217942625U
Application number: CN202222261518.3U
Authority: CN
Inventors: 李海; 何显洋; 张宏熙; 罗斌; 孙建武; 余江
Original assignee: Chengdu Hangxin Aviation Equipment Technology Co ltd
Current assignee: Chengdu Hangxin Aviation Equipment Technology Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-12-02
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a manual part lateral wall boring grab, including bottom plate (3), locating piece and toggle clamp, its characterized in that, bottom plate (3) are the rectangular bodily form, toggle clamp set up on bottom plate (3) and with bottom plate (3) detachable fixed for clip the part and fix, still be provided with the locating piece on bottom plate (3) for carry out the auxiliary fixation to the part on the horizontal direction. The utility model is provided with the high-precision detachable positioning part, which can fix the parts quickly and improve the production efficiency; meanwhile, the pressing devices and the guide drill sleeves in multiple directions are arranged, so that the precision of manual drilling is ensured.

Description

Manual part lateral wall boring grab

Technical Field

The utility model relates to a machining device technical field, concretely relates to manual part lateral wall boring grab.

Background

The jig is a device for fixing a machining object to take a correct position to receive construction or inspection in a machine manufacturing process, and is used for guiding a cutting tool and supporting, positioning and holding a workpiece during a workpiece cutting process. The clamps are divided into several categories according to the purpose:

general fixture: refers to a clamp which is standardized and can be used for processing different workpieces within a certain range. Such as three-jaw and four-jaw chucks on lathes, and heart chucks, flat tongs, index heads, and rotary tables on milling machines, etc. The clamping device has great universality, and can be used for clamping different workpieces without adjustment or slight adjustment. Such clamps are generally standardized. Produced by a professional factory and supplied to customers as a machine tool accessory.

Special fixture: the clamp is specially designed for processing a certain procedure of a certain workpiece, and has the advantages of compact structure, rapid and convenient operation and the like. The special fixture is usually designed and manufactured by the user factory on its own.

Assembling a clamp: based on the standardization of the parts of the machine tool clamp, a whole set of prefabricated standardized elements and assemblies with various shapes and different specifications are assembled into various special clamps according to the principle of combination according to the processing requirements of workpieces. After the clamp is used, the clamp can be disassembled and used when a new clamp is assembled.

The clamp can be used in the equipment production and manufacturing process in many fields, wherein the drilling clamp can be used in the field of aviation part manufacturing, and in the field of aviation part manufacturing, the drilling clamp has the requirement of higher precision than that in common mechanical production due to high requirements on use environment and safety. The aviation drilling fixture fixes aviation parts with specific shapes in automatic production, and a machine can position and drill the aviation parts fixed on a machine tool according to a drilling procedure set in a program in advance. Although the adoption of automatic drilling frees manpower, some problems also exist, for example, the time for positioning the part by the machine is too long, usually the machine confirms whether the position, the direction and the angle of the part meet the drilling requirement before drilling, and then the drilling operation is carried out, wherein various detection positioning steps are complicated, a large amount of time is consumed, and the production efficiency is low; if the parts are drilled manually, it is difficult to ensure that the drilling of each operator is consistent and the precision required by the parts is difficult to achieve. Therefore, a method for rapidly positioning and drilling and ensuring the precision of parts is needed to be found to improve the production efficiency.

The prior art has the following defects:

(1) The automatic drilling efficiency by using the machine tool is low, so that the production efficiency is low;

(2) The precision of the parts cannot be guaranteed using manual drilling.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned automatic drilling inefficiency of use lathe, use the technical problem that part precision can not be guaranteed in artificial drilling, the utility model provides a manual part lateral wall boring grab can also guarantee the precision of part when improving drilling efficiency.

The utility model provides a manual part lateral wall boring grab, clamp including bottom plate, locating piece and toggle, the bottom plate is the rectangular bodily form, the toggle clamp set up on the bottom plate and with the detachable fixed of bottom plate for clip the part and fix, still be provided with the locating piece on the bottom plate, be used for assisting fixedly to the part on the horizontal direction.

Further, the toggle clamps include horizontal toggle clamps and straight push toggle clamps that are alternately arranged on the longer side of the floor.

Further, the locating piece includes first locating piece, second locating piece and third locating piece, and the locating piece is the cuboid cubic, and first locating piece sets up in the shorter both sides edge of bottom plate with the second locating piece, and the third locating piece sets up in the longer edge of bottom plate, and three locating piece is all fixed on the bottom plate.

Furthermore, the positioning block is provided with a plurality of positioning pin holes and screw holes for installing positioning pins and screws and fixing the positioning block on the bottom plate.

Furthermore, the positioning block is also provided with a drill bushing, and the drill bushing is in a small-aperture circular hole shape and used for guiding a drill bit when a part is drilled, so that the drill bit is prevented from deviating.

Furthermore, the bottom plate is also provided with a mistake-proofing boss, the mistake-proofing boss is higher than the contact surface of the bottom plate and the part, and the shape of the mistake-proofing boss corresponds to that of the groove on the part, so that the direction of the part can be identified during installation, and the part can be prevented from being installed wrongly.

Furthermore, the positioning block is also provided with an anti-misadjustment angle for identifying the direction of the positioning block and preventing the positioning block from being installed wrongly.

Further, still be equipped with U type groove on the bottom plate, the adjacent locating piece setting in U type groove for dodge the remaining burr of processing part, prevent that the remaining burr of part from leading to the unable correct installation of part, the drilling position location is inaccurate.

Furthermore, the bottom plate is also provided with a plurality of countersunk bolt holes, and the bottom plate is fixed on a specific working table surface by using bolts, so that parts are conveniently processed.

Through setting up toggle clamp and locating piece, the part that the good fixed needs processing drilling, use manual operation drilling again, still guaranteed the precision of part when raising the efficiency. The utility model has the advantages that:

(1) By arranging the high-precision detachable positioning component, parts can be quickly fixed, and the production efficiency is improved;

(2) The pressing devices and the guide drill sleeves in multiple directions are arranged, and the precision of manual drilling is guaranteed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a three-dimensional structure diagram of the manual part sidewall drilling jig of the present invention;

FIG. 2 is a top view of the hand-operated part side wall drilling jig of the present invention;

FIG. 3 is a schematic view of the part installation of the manual part sidewall drilling fixture of the present invention;

the reference numbers in the figures illustrate: 1-a second positioning block, 2-a horizontal toggle clamp, 3-a bottom plate, 4-a straight-pushing toggle clamp, 5-a third positioning block, 6-a first positioning block, 7-a drill bushing, 8-a positioning pin hole, 9-an error-proof boss, 10-an error-proof angle, 11-a countersunk bolt hole, 12-a U-shaped groove and 13-a screw hole.

Detailed Description

The foregoing is merely an overview of the technical solutions of the embodiments of the present invention, and the technical means of the embodiments of the present invention can be implemented according to the content of the description in order to make the technical means more clearly understood, and the above and other objects, features and advantages of the embodiments of the present invention can be more clearly understood, and the following is a specific description of the embodiments of the present invention. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention. The term "coupled", unless expressly stated or limited otherwise, is to be construed broadly, e.g., "coupled" may be a fixed connection or a removable connection or as an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 and 2, the utility model discloses manual part lateral wall boring grab includes bottom plate 3, locating piece and toggle clamp, bottom plate 3 is the cuboid form, toggle clamp includes horizontal toggle clamp 2 and straight push toggle clamp 4, the locating piece includes first locating piece 6, second locating piece 1 and third locating piece 5, the locating piece is the cuboid cubic, first locating piece 6 sets up in the shorter both sides edge of bottom plate with second locating piece 1, third locating piece 5 sets up in the longer edge of bottom plate, three locating piece is all fixed on the bottom plate. The horizontal toggle clamp 2 is used for vertically pressing the part on the bottom plate 3, the straight-push toggle clamp 4 is used for laterally pressing the part on the third positioning block 5, and the toggle clamp is fixed on the bottom plate 3 through bolts and can be detached. The bottom plate 3 is further provided with a positioning block for assisting in fixing the part in the horizontal direction. The horizontal toggle clamps 2 and the straight-pushing toggle clamps 4 are alternately arranged on the longer edge of the bottom plate and are uniformly distributed, and the positioning block is also provided with a plurality of positioning pin holes 8 and countersunk bolt holes 11 for installing positioning pins and screws so as to fix the positioning block on the bottom plate. The positioning block is also provided with a drill bushing 7 which is in a small-aperture circular hole shape and used for guiding a drill bit when a part is drilled, so that the drill bit is prevented from deviating.

In order to prevent the drilling fixture of the utility model from being installed wrongly, the positioning block is provided with an anti-dislocation angle 10 for identifying the direction of the positioning block and preventing the positioning block from being installed wrongly; in order to prevent the part from being installed wrongly, the bottom plate 3 is also provided with an error-proof boss 9, the position of the error-proof boss 9 is higher than the contact surface of the bottom plate 3 and the part, and the shape of the error-proof boss corresponds to the shape of the groove on the part, so that the direction of the part can be recognized when the part is installed, and the part can be prevented from being installed wrongly. In order to avoid the influence of residual burrs on the surface of a part on the precision of the part mounted on the clamp and the influence on drilling, the clamp is further provided with a U-shaped groove 12 on the bottom plate, the U-shaped groove 12 is arranged close to the positioning block and used for avoiding the residual burrs of the part to be machined and preventing the residual burrs of the part from causing the part not to be correctly mounted and the position of the drilling hole from being inaccurately positioned. During processing, the bottom plate 3 is fixed on the workbench through countersunk bolts through the screw holes 13 reserved on the bottom plate 3.

The utility model discloses manual part lateral wall boring grab passes through the mounted position and the direction of first locating piece 6, second locating piece 1 and the part is confirmed to mistake proofing boss 9, and rethread horizontal toggle clamp 2, straight push toggle clamp 4 and third locating piece 5 compress tightly the part fixedly, make the part be in accurate position.

As shown in fig. 2, the positioning block is installed by the following steps: firstly, determining the positive and negative positions of a positioning block through an anti-dislocation angle 10; a positioning pin is arranged on the positioning pin hole 8 to ensure the assembly precision of the positioning block and the bottom plate 3; and finally, locking the positioning block on the bottom plate 3 by using a screw.

The mounting steps of the toggle clamp are as follows: machining bolt holes for fixing the bottom plate 3 and the toggle clamps on the bottom plate 3 of the clamp in advance; and then the clamp is fixed on the bottom plate 3 by a countersunk bolt penetrating through the clamp base.

As shown in fig. 3, which is a schematic view of a part mounted on a fixture, in order to facilitate mounting and removal of the part, on the premise of ensuring a position tolerance of a side wall hole, the part is designed to be positioned by taking a side wall of the part as a reference in a manner of clearance fit with the fixture and to be placed flat against a positioning block; after the flat sticking is confirmed, the straight push toggle clamp 4 is ejected out to limit the degree of freedom of the part on the plane and prevent the part from shifting in the drilling process, and the horizontal toggle clamp 2 is ejected out to limit the degree of freedom of the part in the vertical direction and prevent the part from moving up and down in the drilling process, at the moment, the part is completely limited in the clamp, and the positioning and installation of the part are completed.

The utility model is used for artifical drilling in the auxiliary production link, the precision of its processing part can reach the mu level, can guarantee the precision of aviation part production completely, just the utility model discloses still improve the efficiency of production drilling greatly on the basis of guaranteeing the machining precision.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a manual part lateral wall boring grab, includes bottom plate (3), locating piece and toggle clamp, its characterized in that, bottom plate (3) are the cuboid form, the toggle clamp sets up on bottom plate (3) and with bottom plate (3) detachable fixed for it fixes to carry the part, still is provided with the locating piece on bottom plate (3) for carry out the auxiliary fixation to the part on the horizontal direction.

2. The manual part side wall drilling fixture according to claim 1, wherein the positioning block comprises a first positioning block (6), a second positioning block (1) and a third positioning block (5), the positioning block is in the shape of a rectangular parallelepiped block, the first positioning block (6) and the second positioning block (1) are arranged on the shorter two edges of the bottom plate (3), the third positioning block (5) is arranged on the longer edge of the bottom plate (3), and all three positioning blocks are fixed on the bottom plate (3).

3. A hand piece sidewall drill jig according to claim 1 characterised in that the toggle clamps comprise a horizontal toggle clamp (2) and a straight push toggle clamp (4), the horizontal toggle clamp (2) being adapted to press the piece against the base plate (3) and the straight push toggle clamp (4) being adapted to press the piece against the third locating block (5).

4. A hand operated part side wall drilling jig according to claim 3 wherein the locating block is provided with a plurality of locating pin holes (8) and screw holes (13) for receiving locating pins and screws to secure the locating block to the base plate.

5. A hand operated part side wall drilling jig according to claim 1, wherein a drill bushing (7) is further provided on the positioning block, and the drill bushing (7) is in the shape of a small-bore circular hole and is used for guiding the drill bit when drilling a part, so as to prevent the drill bit from shifting.

6. A hand operated jig for drilling side wall of parts as claimed in claim 1 wherein, said base plate (3) is further provided with an error proofing boss (9) which is higher than the contact surface of the base plate (3) and the parts and has a shape corresponding to the groove on the parts for recognizing the direction of the parts when mounting and preventing the wrong mounting of the parts.

7. A hand operated jig for drilling holes in side walls of parts as claimed in claim 1 wherein the positioning block is further provided with an anti-misorientation angle (10) for identifying the orientation of the positioning block and preventing the positioning block from being installed incorrectly.

8. A manual part side wall drilling clamp according to claim 1, wherein a U-shaped groove (12) is further formed in the bottom plate (3), the U-shaped groove (12) is arranged close to the positioning block and used for avoiding residual burrs of machined parts and preventing the residual burrs of the parts from causing the parts not to be correctly installed and the drilling position from being inaccurately positioned.

9. A hand-operated part side wall drilling clamp as claimed in claim 1, characterized in that the bottom plate (3) is further provided with a plurality of countersunk bolt holes (11), and the bottom plate (3) is fixed on a specific working table surface through bolts, so that the part can be conveniently machined.