CN217167562U

CN217167562U - Drilling device for thin-wall annular parts

Info

Publication number: CN217167562U
Application number: CN202220779047.2U
Authority: CN
Inventors: 吴艳青; 赵莉; 单东波
Original assignee: Research Institute of Physical and Chemical Engineering of Nuclear Industry
Current assignee: Research Institute of Physical and Chemical Engineering of Nuclear Industry
Priority date: 2022-04-06
Filing date: 2022-04-06
Publication date: 2022-08-12
Anticipated expiration: 2032-04-06

Abstract

The utility model discloses a drilling processing device for thin-wall annular parts, which comprises a bidirectional flat tongs body, wherein the bidirectional flat tongs body comprises a tongs mouth seat, two tongs mouths which are oppositely arranged and a handle which drives the two tongs mouths to perform bidirectional translation are arranged on the tongs mouth seat, and the drilling processing device also comprises clamping mechanisms which are respectively arranged on the two tongs mouths, a supporting mechanism which is arranged on the clamping mechanism and a positioning and punching mechanism which is arranged on the tongs mouth seat; and the top of the positioning and punching mechanism is provided with a through positioning hole, and the positioning hole corresponds to the central point of the supporting mechanism. The utility model discloses utilize two-way flat-nose pliers can two-way equidistance, the tight characteristics of high accuracy clamp, designed collateral branch frame, upper bracket and clamp plate, with the part pressure equipment on two-way flat-nose pliers, reach the cyclic annular part high accuracy symmetry clamping purpose of thin wall to ensure the position accuracy and the part surface quality of part drilling.

Description

Drilling device for thin-wall annular parts

Technical Field

The invention belongs to the technical field of machining clamps, and particularly relates to a drilling machining device for thin-wall annular parts.

Background

In the drilling process of the thin-wall annular part, a small hole in millimeter level needs to be drilled in the annular part with the wall thickness of only 1mm, and the small hole is required to be positioned in the center of the annular part, and the precision is not more than 0.1 mm.

The original processing method is to mark a line on the surface of a part and determine the position of a drilling hole, but the method cannot ensure the position precision of the hole, the surface of the part is easily scratched in the marking process, and the processing efficiency is low. Consequently, design a special drilling processingequipment, under the prerequisite of guaranteeing part drilling precision and part surface quality, satisfy the designing requirement, improve machining efficiency, be the utility model discloses the problem that wants to solve.

SUMMERY OF THE UTILITY MODEL

The technical scheme of the utility model is that:

a drilling processing device for thin-wall annular parts comprises a bidirectional flat-nose pliers body, wherein the bidirectional flat-nose pliers body comprises a pliers opening seat, two oppositely arranged pliers openings and a handle for driving the two pliers openings to bidirectionally translate are arranged on the pliers opening seat, and the drilling processing device also comprises a clamping mechanism respectively arranged on the two pliers openings, a supporting mechanism arranged on the clamping mechanism and a positioning and punching mechanism arranged on the pliers opening seat; and the top of the positioning and punching mechanism is provided with a through positioning hole, and the positioning hole corresponds to the central point of the supporting mechanism.

Preferably, the clamping mechanism comprises a pressure plate mounted on the jaw, and a support mechanism is mounted on a side wall of one of the pressure plates.

Further preferably, the pressure plate is screwed on the jaw through a jaw screw.

Preferably, the supporting mechanism comprises a drilling cushion block, a through hole is formed in the side face of the drilling cushion block, and the drilling cushion block is installed on the pressing plate through a pressing plate small screw penetrating through the through hole in a threaded mode.

Preferably, the two pressure plates are fastened through large pressure plate screws.

Preferably, the positioning and punching mechanism comprises a side bracket and an upper bracket;

the side supports are respectively arranged at the left side and the right side of the jaw seat, the upper support is movably connected to the tops of the two side supports, and the upper support is provided with a through positioning hole.

Further preferably, the upper bracket is screwed on the top of the side bracket through a fixing screw.

Further preferably, a bracket cushion block is installed on the side surface of the jaw seat, and the side bracket is in threaded connection with the bracket cushion block through a bracket screw.

Further preferably, the top surface of the drilling pad is a cambered surface.

Further preferably, the width of the upper bracket is the same as the width of the top of the side bracket.

The utility model has the advantages that:

the side support, the upper support and the pressing plate are designed according to the size of a part by utilizing the characteristic that the bidirectional flat tongs can be clamped in a bidirectional equidistant and high-precision mode, the part is pressed on the bidirectional flat tongs, the centering and fixing of the part are guaranteed, and the purpose of symmetrically clamping the thin-wall annular part in a high-precision mode is achieved, so that the position precision of part drilling and the surface quality of the part are guaranteed, the design and processing requirements are met, and meanwhile, the processing efficiency is improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an exploded perspective view of the present invention;

FIG. 3 is a front view of the planar structure of the drilling pad of the present invention;

fig. 4 is a schematic sectional view of the present invention when machining parts.

In the figure:

1-bidirectional flat tongs body; 101-a handle; 102-a jaw; 103-jaw seat; 104-a jaw screw;

2-side stand; 201-bracket cushion blocks; 202-bracket screws;

3, pressing a plate; 301-drilling a pad; 302-platen small screws; 303-platen gasket; 304-big clamp screw;

4-upper support; 401-set screws; 402-positioning holes;

5-parts.

Detailed Description

First, it should be noted that the specific structures, features, advantages, etc. of the present invention will be described in detail below by way of example, but all the descriptions are only for illustrative purpose and should not be construed as forming any limitation to the present invention. Furthermore, any single feature described or implicit in any embodiment or any single feature shown or implicit in any drawing may still be combined or subtracted between any of the features (or equivalents thereof) to obtain still further embodiments of the invention that may not be directly mentioned herein. In addition, for the sake of simplicity, the same or similar features may be indicated in only one place in the same drawing.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The present invention will be described in detail with reference to the accompanying drawings 1 to 4.

Example 1:

a drilling processing device for a thin-wall annular part 5 comprises a bidirectional flat-nose pliers body 1, wherein the bidirectional flat-nose pliers body 1 comprises a pliers opening seat 103, two oppositely arranged pliers openings 102 and a handle 101 for driving the two pliers openings 102 to bidirectionally translate are arranged on the pliers opening seat 103, and the drilling processing device also comprises a clamping mechanism respectively arranged on the two pliers openings 102, a supporting mechanism arranged on the clamping mechanism and a positioning and punching mechanism arranged on the pliers opening seat 103; the top of the positioning and punching mechanism is provided with a through positioning hole 402, and the positioning hole 402 corresponds to the central point of the supporting mechanism.

The working principle is as follows:

the drilling device is improved by utilizing the principle that the jaws 102 of the bidirectional flat tongs can simultaneously and equidistantly approach or depart from each other in two directions, and can be used for clamping the thin-wall annular part 5.

In the technical scheme, two jaws 102 on the bidirectional flat tongs are respectively provided with a clamping mechanism, a supporting mechanism is arranged on the clamping mechanism, and the width of the supporting mechanism is slightly smaller than the diameter of the part 5. When in processing, the thin-wall annular part 5 is placed on the supporting mechanism, the annular part 5 and the clamping mechanism are placed in a parallel state, then the handle 101 on the bidirectional flat tongs is rotated, the tongs mouth 102 can drive the clamping mechanisms on the left side and the right side to move close to each other in a bidirectional translation manner with equal distance and high precision until the clamping mechanism completely clamps the part 5 placed on the supporting mechanism.

The positioning hole 402 on the positioning and punching mechanism corresponds to the central point of the supporting mechanism, namely corresponds to the central point of the wall surface of the part 5 placed on the supporting mechanism, so that the part 5 is completely centered and clamped, the drilling position is axially and radially fixed, and the part 5 can be drilled through the positioning hole 402 by using a drilling tool.

Further, it is also contemplated in the present embodiment that the clamping mechanism includes a pressing plate 3 mounted on the jaw 102, wherein a supporting mechanism is mounted on a sidewall of one of the pressing plates 3. In this embodiment, the pressing plate 3 is rectangular, and the width of the pressing plate is the same as that of the jaw 102, so that the stability during clamping is better, and the pressing plate 3 is prevented from being too wide or too narrow during drilling to cause vibration so as to influence the drilling precision.

Further, it is also contemplated in the present embodiment that the pressure plate 3 is screw-mounted on the jaw 102 by a jaw screw 104. In this embodiment, at least one, and preferably two, of the jaw screws 104 are provided, and the threaded mounting thereof facilitates quick replacement of the pressure plate 3 according to different needs, and is efficient in use.

Further, it can be considered in this embodiment that the supporting mechanism includes a drilling pad block 301, a through hole is formed on a side surface of the drilling pad block 301, and the drilling pad block 301 is installed on the pressing plate 3 by a pressing plate small screw 302 penetrating through the through hole in a threaded manner. In this embodiment, the width of the drilling pad block 301 is slightly less than the width of the part 5, so as to ensure that the part 5 can be clamped by the two pressing plates 3, and thus the drilling process is not prone to slipping. Drilling cushion 301 threaded mounting is on clamp plate 3, and the corresponding drilling cushion 301 of convenient model quick replacement according to part 5 improves the availability factor. At least one, and two of the hold-down plate screws 302 are preferred embodiments.

Further, it is also considered in this embodiment that the two pressing plates 3 are fastened by the pressing plate large screw 304. In this embodiment, rely on the centre gripping of clamp plate 3 alone, the power of trembling that produces during drilling can let clamp plate 3's clamping-force unstable to the positional accuracy that the influence was punched, consequently respectively make a through-hole in the position that two clamp plates 3 are close to drilling cushion 301 bottom, press from both sides good part 5 back, pass two through-holes with clamp plate big screw 304 and screw up, make clamping part 5 more fasten, eliminate and tremble the influence to the precision of punching. Meanwhile, in order to reduce the abrasion to the pressing plate 3, a gasket can be added on the pressing plate large screw 304 and used for protecting the contact surface between the pressing plate large screw 304 and the pressing plate 3, so that the abrasion of the pressing plate 3 is reduced, and the clamping tightness is also improved.

Furthermore, it can be considered in this embodiment that the positioning and punching mechanism includes a side bracket 2 and an upper bracket 4; the side supports 2 are respectively arranged at the left side and the right side of the jaw seat 103, the upper support 4 is movably connected at the tops of the two side supports 2, and the upper support 4 is provided with a through positioning hole 402. In this embodiment, the width of upper bracket 4 slightly is greater than the diameter of part 5, can block in the top of part 5 during its clamping, blocks between two clamp plates 3, makes upper bracket 4, about two clamp plates 3 and drilling cushion block 301 press from both sides part 5 in 4 directions, guarantees again that part 5 can fluctuate about in less within range from top to bottom, and part 5 can not remove buffer pressure because outside atress is too big when making to punch, and lets the thin wall of part 5 take place the deformation problem.

Further, it is also contemplated in the present embodiment that the upper bracket 4 is screwed to the top of the side bracket 2 by a fixing screw 401. In this embodiment, at least one, and preferably two, of the set screws 401 are threaded to facilitate quick replacement of the upper bracket 4 according to the size of the different types of parts 5.

Further, it is also considered in this embodiment that a bracket pad 201 is installed on a side surface of the jaw base 103, and the side bracket 2 is screwed to the bracket pad 201 by a bracket screw 202. In this embodiment, the bracket pad 201 is convenient for buffering the pressure and abrasion of the side bracket 2 to the jaw seat 103, and the threaded installation is convenient for replacing the side bracket 2 as required. At least one and two of the bracket screws 202 are preferred embodiments.

Example 2:

on the basis of embodiment 1, to drilling cushion 301 in the utility model discloses a further improvement.

Further, it is also considered in this embodiment that the top surface of the drilling pad 301 is a cambered surface.

In this embodiment, the diameter of the arc surface of the drilling pad 301 is the same as the inner diameter of the part 5, and the width of the drilling pad is slightly smaller than the width of the part 5, so that no gap is left at the drilling position after the part 5 is clamped. When punching, the cambered surface of the drilling cushion block 301 can buffer the pressure on the wall surface of the part 5 during drilling, and the part 5 can slightly move left and right to remove the force, so that the part is not deformed.

Example 3:

on the basis of embodiment 1, the upper bracket 4 in the utility model is further improved.

Further, it is also considered in the present embodiment that the width of the upper bracket 4 is the same as the top width of the side bracket 2. In the embodiment, the same width can ensure more stable structure, and the structure is beautiful and easy to maintain. To sum up, the utility model provides a drilling processingequipment for cyclic annular class part of thin wall.

The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed 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 belong to the patent coverage of the present invention.

Claims

1. The utility model provides a drilling processingequipment for cyclic annular class part of thin wall, includes two-way flat-nose pliers body, two-way flat-nose pliers body is including keeping silent the seat, keep silent and be equipped with the handle of keeping silent and drive two-way translations of keeping silent of two relative settings on the seat, its characterized in that: the clamping mechanism is respectively arranged on the two jaws, the supporting mechanism is arranged on the clamping mechanism, and the positioning and punching mechanism is arranged on the jaw seat; and the top of the positioning and punching mechanism is provided with a through positioning hole, and the positioning hole corresponds to the central point of the supporting mechanism.

2. The drilling device for the thin-wall annular part according to claim 1, wherein: the clamping mechanism comprises a pressing plate arranged on the jaw, and a supporting mechanism is arranged on the side wall of one of the pressing plates.

3. The drilling device for the thin-wall annular part according to claim 2, wherein: the pressure plate is spirally mounted on the jaw through a jaw screw.

4. A drilling device for thin-walled ring-like parts according to claim 3, characterized in that: the supporting mechanism comprises a drilling cushion block, a through hole is formed in the side face of the drilling cushion block, and the drilling cushion block is installed on the pressing plate through a pressing plate small screw penetrating through the through hole in a threaded mode.

5. The drilling device for the thin-wall annular part according to claim 4, wherein: and the two pressure plates are fastened through large pressure plate screws.

6. The drilling device for the thin-wall annular part according to claim 1, wherein: the positioning punching mechanism comprises a side bracket and an upper bracket;

7. The drilling device for the thin-wall annular part according to claim 6, wherein: the upper bracket is connected to the top of the side bracket through a fixing screw thread.

8. The drilling device for the thin-wall annular part according to claim 6, wherein: and a support cushion block is arranged on the side surface of the jaw seat, and the side support is in threaded connection with the support cushion block through a support screw.

9. The drilling device for the thin-wall annular part according to claim 4, wherein: the top surface of the drilling cushion block is an arc surface.

10. The drilling device for the thin-wall annular part according to claim 6, wherein: the width of the upper bracket is the same as the width of the top of the side bracket.