CN221018817U

CN221018817U - Part machining clamp

Info

Publication number: CN221018817U
Application number: CN202322580535.8U
Authority: CN
Inventors: 侯云昌; 侯怀礼; 袁光华
Original assignee: Tianjin Jinqiao Welding Materials Group Pingxiang Co ltd; Tianjin Golden Bridge Welding Materials Group Co Ltd
Current assignee: Tianjin Jinqiao Welding Materials Group Pingxiang Co ltd; Tianjin Golden Bridge Welding Materials Group Co Ltd
Priority date: 2023-09-22
Filing date: 2023-09-22
Publication date: 2024-05-28
Anticipated expiration: 2033-09-22

Abstract

The utility model provides a part machining clamp which comprises a fixed seat, a vertical plate, a pressing plate and a fastening bolt, wherein the vertical plate is fixed on the fixed seat, a mandrel for positioning a workpiece is arranged on the side surface of the vertical plate, the length of the mandrel is smaller than the distance from a hole to be machined on the circumferential surface of the workpiece to the bottom surface of the workpiece, the pressing plate is arranged opposite to the outer end surface of the mandrel, a through hole is formed in the middle of the pressing plate, and the fastening bolt is connected in a threaded hole formed in the mandrel in a threaded mode after passing through the through hole; the top of the vertical plate is provided with a template, the template is provided with a guide hole, the guide hole is opposite to the central line of the mandrel, and the distance from the guide hole to the vertical plate is the same as the distance from the hole on the circumferential surface of the workpiece to the bottom surface of the workpiece. The workpiece is positioned and clamped conveniently and quickly, the cylindrical workpiece is positioned by the vertical plate-level mandrel, the workpiece is pressed and fixed by the fastening bolt and the pressing plate, the length of the mandrel is set, and the guide hole position on the template is determined, so that the drill bit drills on the circumferential surface of the workpiece.

Description

Part machining clamp

Technical Field

The utility model belongs to the technical field of machining, and particularly relates to a part machining clamp.

Background

In the production process of welding materials, some parts of production equipment are nonstandard parts, such as parts of a cylindrical structure with through holes formed in the circumferential surface of the equipment, the parts are easy to damage and have large loss, if the parts are purchased outwards, the production cost is increased, and aiming at the situations, manufacturers need to produce and store the vulnerable parts, so how to position and clamp the cylindrical workpiece with the through holes on the circumferential surface is to ensure that the drill bit is used for processing the through holes on the workpiece, and the problem is solved primarily by the manufacturers.

Disclosure of utility model

In view of the above, the present utility model aims to provide a part machining fixture, so as to conveniently and rapidly position and clamp a workpiece with a cylindrical structure, and enable a drill to smoothly drill on the circumferential surface of the workpiece.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

The part machining clamp comprises a fixed seat, a vertical plate, a pressing plate and a fastening bolt, wherein the vertical plate is fixed on the fixed seat, a mandrel for workpiece positioning is arranged on the side face of the vertical plate, the length of the mandrel is smaller than the distance from a hole to be machined on the circumferential surface of a workpiece to the bottom surface of the workpiece, the pressing plate is opposite to the outer end face of the mandrel, a through hole is formed in the middle of the pressing plate, and the fastening bolt penetrates through the through hole and is connected in a threaded hole formed in the mandrel in a threaded mode;

The top of the vertical plate is provided with a template, the template is provided with a guide hole, the guide hole is opposite to the central line of the mandrel, and the distance from the guide hole to the vertical plate is the same as the distance from the hole on the circumferential surface of the workpiece to the bottom surface of the workpiece.

Further, the pressing plate is a circular plate, and a through groove communicated with the through hole is formed in the circumferential surface of the pressing plate.

Further, the via hole is a countersunk hole.

Further, a guide sleeve is arranged at the position of the guide hole of the template, and the guide hole is an inner hole of the guide sleeve.

Further, the top of the guide sleeve is provided with an outer eave, the outer eave is tightly attached to the top surface of the template, and the outer eave is fastened to the template through a compression screw.

Further, a boss corresponding to the inner hole groove of the workpiece is arranged on the outer circumferential surface of the mandrel.

Compared with the prior art, the part machining clamp has the following advantages:

(1) The workpiece is positioned and clamped conveniently and quickly, the cylindrical workpiece is positioned through the vertical plate and the mandrel, the workpiece is pressed and fixed through the fastening bolt and the pressing plate, the length of the mandrel is set, and the guide hole position on the template is determined, so that the drill bit drills on the circumferential surface of the workpiece.

(2) According to the utility model, the through grooves on the pressing plate are arranged, so that the convenience and the speed of loading and unloading the pressing plate are improved, namely the workpiece clamping speed is improved.

(3) According to the drill bit guide sleeve, the guide sleeve is further fixed through the compression screw, so that the guide sleeve can guide a drill bit stably, and meanwhile, the guide sleeve is convenient to detach due to the structure.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic perspective view of a part machining fixture according to an embodiment of the present invention;

FIG. 2 is a schematic view of a workpiece clamping state of a part machining fixture according to an embodiment of the invention;

FIG. 3 is a perspective view of a pressure plate according to an embodiment of the present invention;

FIG. 4 is a perspective view of a guide sleeve in accordance with an embodiment of the present invention;

fig. 5 is a schematic diagram of a compressing guide sleeve structure of a compressing screw in an embodiment of the invention.

Reference numerals illustrate:

1-a fixed seat; 2-fastening bolts; 3-pressing plates; 31-through grooves; 32-via holes; 4-a mandrel; 41-boss; 5-vertical plates; 6-template; 7-pressing the screw; 8-guiding sleeve; 81-outer eaves; 82-a pressing part; 9-work piece.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

A part machining clamp is shown in fig. 1 and comprises a fixing seat 1, a vertical plate 5, a pressing plate 3, a fastening bolt 2 and a template 6, wherein the vertical plate 5 is fixedly connected with the fixing seat 1 in a bolt mode, a mandrel 4 for positioning a workpiece 9 is arranged on one side face of the vertical plate 5, the diameter of the mandrel 4 corresponds to the diameter of an inner hole of the workpiece 9, and the length of the mandrel 4, namely the height of the mandrel protruding out of the vertical plate 5, is smaller than the distance from a hole to be machined on the circumferential face of the workpiece 9 to the bottom face of the workpiece. In this embodiment, the outer circumferential surface of the mandrel 4 protrudes with a boss 41 corresponding to a groove on the inner hole of the workpiece 9, the boss 41 is a rectangular boss structure axially arranged along the mandrel, and the workpiece 9 is positioned in the circumferential direction through the boss 41. The clamp plate 3 is the plectane structure, and clamp plate 3 just sets up to the outer terminal surface of dabber 4 that is its one end terminal surface that deviates from riser 5, and clamp plate 3 offered the via hole 32 in the middle, and the outer terminal surface of dabber 4 is equipped with the screw hole in the middle, and fastening bolt 2 passes behind the via hole 32 of clamp plate 3 threaded connection in the screw hole of dabber 4. Preferably, the through holes 32 of the pressing plate 3 are countersunk holes so that the nuts of the fastening bolts 2 do not protrude from the surface of the pressing plate 3 when tightened.

The top of the vertical plate 5 is provided with a template 6, the template 6 and the mandrel 4 are positioned on the same side of the vertical plate 5, the template 6 is provided with a mounting hole, the mounting hole is opposite to the central line of the mandrel 4, namely, the central line of the mounting hole is vertically intersected with the central line of the mandrel, the distance from the mounting hole to the vertical plate 5 is the same as the distance from a hole to be processed on the circumferential surface of a workpiece to the bottom surface of the workpiece, a guide sleeve 8 is arranged in the mounting hole in a transitional or interference manner, and an inner hole of the guide sleeve 8 is a guide hole matched with a drill bit for processing the hole on the circumferential surface of the workpiece. The guide sleeve 8 is arranged on the outer side of the mandrel, so that the drill bit can smoothly drill on the circumferential surface of the workpiece.

In the present utility model, a through groove 31 communicating with a via hole 32 is formed on the circumferential surface of the pressing plate 3, as shown in fig. 3. The mechanism is convenient for quickly disassembling and assembling the pressing plate, and improves the workpiece clamping speed.

In the utility model, the top of the guide sleeve 8 is provided with the outer eave 81, and the outer eave 81 can be directly pressed and fixed on the template 6 by using the pressing screw 7. Preferably, one end of the outer ledge 81 is downwardly recessed to form a pressing portion 82, as shown in fig. 4. The pressing screw 7 presses the pressing part 82 of the outer eave 81, so that the outer eave 81 is pressed and fixed, and at the moment, the outer eave 81 is tightly attached to the top surface of the template 6, as shown in fig. 5. The compaction structure is suitable for a transitional assembly mode of the guide sleeve 8 and the mounting hole of the template 6, so that the guide sleeve 8 can be replaced in time.

The application process of the utility model is as follows: the workpiece 9 is arranged on the mandrel 4, the bottom surface of the workpiece 9 is tightly attached to the side surface of the vertical plate 5, at this time, the workpiece 9 is positioned through the mandrel 4 and the vertical plate 5, the fastening bolt 2 is screwed in, the workpiece 9 is pressed and fixed through the pressing plate 3, and as shown in fig. 2, a drill bit penetrates through the guide sleeve 8 to drill the workpiece 9.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a part machining anchor clamps which characterized in that: the fixture comprises a fixed seat (1), a vertical plate (5), a pressing plate (3) and a fastening bolt (2), wherein the vertical plate (5) is fixed on the fixed seat (1), a mandrel (4) for positioning a workpiece is arranged on the side face of the vertical plate (5), the length of the mandrel (4) is smaller than the distance from a hole to be machined on the circumferential face of the workpiece to the bottom face of the workpiece, the pressing plate (3) is opposite to the outer end face of the mandrel (4), a through hole (32) is formed in the middle of the pressing plate (3), and the fastening bolt (2) penetrates through the through hole (32) and is then connected into a threaded hole formed in the mandrel (4) in a threaded mode;

the top of the vertical plate (5) is provided with a template (6), the template (6) is provided with a guide hole, the guide hole is opposite to the central line of the mandrel (4), and the distance from the guide hole to the vertical plate (5) is the same as the distance from the hole on the circumferential surface of the workpiece to the bottom surface of the workpiece.

2. A part machining jig according to claim 1, wherein: the pressing plate (3) is a circular plate, and a through groove (31) communicated with the through hole (32) is formed in the circumferential surface of the pressing plate.

3. A part machining jig according to claim 1, wherein: the via (32) is a countersunk hole.

4. A part machining jig according to claim 1, wherein: the template (6) is provided with a guide sleeve (8) at the position of a guide hole, and the guide hole is an inner hole of the guide sleeve (8).

5. A part machining jig according to claim 4, wherein: the top of the guide sleeve (8) is provided with an outer eave (81), the outer eave (81) is tightly attached to the top surface of the template (6), and the outer eave is fastened to the template (6) through a compression screw (7).

6. A part machining jig according to claim 1, wherein: the outer circumferential surface of the mandrel (4) is provided with a boss (41) corresponding to the inner hole groove of the workpiece.