CN210306855U

CN210306855U - Machining clamp for workpiece with taper hole on numerical control machine tool

Info

Publication number: CN210306855U
Application number: CN201921353021.6U
Authority: CN
Inventors: 李建廷
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-04-14
Anticipated expiration: 2029-08-20

Abstract

The utility model discloses a processing clamp for workpiece with taper hole on a numerical control machine tool, which comprises a workbench, wherein a first vertical frame is arranged on the left side of the top end of the workbench, a second vertical frame is arranged on the right side of the top end of the workbench, a supporting rotating shaft is rotatably arranged on the upper part of the right side wall of the first vertical frame, a fixed disc is arranged at the right end of the supporting rotating shaft, and a motor is connected to the left end of the supporting rotating shaft which penetrates through the left end of the first vertical frame, and further can conveniently switch the processing face.

Description

Machining clamp for workpiece with taper hole on numerical control machine tool

Technical Field

The utility model relates to a machine tool anchor clamps technical field specifically is a be used for taking add clamping apparatus of taper hole work piece on digit control machine tool.

Background

When a workpiece is machined on a machine tool, the workpiece needs to be assembled (positioned) and firmly clamped (clamped) before machining in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in the drawing. The fixture generally comprises a positioning element (for determining the correct position of a workpiece in the fixture), a clamping device, a tool setting guide element (for determining the relative position of the tool and the workpiece or guiding the direction of the tool), an indexing device (for enabling the workpiece to complete the processing of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a fixture body (a fixture base), and the like.

At present, in the machining clamp technology for the workpiece with the taper hole on the numerical control machine tool, most of machining clamps only can limit and fix the two sides of the outer part of the workpiece with the taper hole, and cannot limit and fix the inner part of the taper hole of the workpiece with the taper hole, so that the phenomenon of low stability when the workpiece with the taper hole is fixed during machining is caused.

Based on this, the utility model designs a be used for taking the adds clamping apparatus of taper hole work piece on the digit control machine tool to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for taking the adds clamping apparatus of taper hole work piece on the digit control machine tool to solve the problem among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a machining clamp for a workpiece with a taper hole on a numerical control machine tool comprises a workbench, wherein a first vertical frame is arranged on the left side of the top end of the workbench, a second vertical frame is arranged on the right side of the top end of the workbench, a supporting rotating shaft is rotatably arranged on the upper portion of the right side wall of the first vertical frame, a fixed disc is arranged at the right end of the supporting rotating shaft, a motor is connected to the left end of the supporting rotating shaft penetrating through the left end of the first vertical frame, a supporting ring is arranged in the middle of the right end of the fixed disc, a vertical plate is fixedly arranged at the right end of the supporting ring, an adjusting positioning column is arranged in the middle of the right side wall of the vertical plate, a first push rod is arranged in the middle of the right side of the fixed disc, a telescopic rod end of the first push rod is fixedly connected with an adjusting positioning, a conical positioning block is installed in the connecting piece, and the central line of the conical positioning block is overlapped with the central line of the adjusting positioning column.

Preferably, the adjusting positioning column comprises a column body, a circular cavity is arranged in the column body, an arc plate is uniformly arranged in the circular cavity, the cross section of the arc plate is in a wedge shape, a top block is arranged in the middle of the outer arc surface of the arc plate, an opening is formed in the side wall of the circular cavity corresponding to the top block, the top block is slidably inserted into the opening, a reset spring is uniformly arranged between the outer arc surface of the arc plate and the inner side wall of the circular cavity, a cone head push rod is arranged in the middle of the circular cavity, the cone head push rod is slidably abutted to a wedge surface in the arc plate, and the end of the cone head push rod is slidably and penetratingly.

Preferably, the conical head push rod comprises a conical head, a push rod and a push plate, the conical head is fixedly connected to the right end of the push rod, the push plate is arranged at the left end of the push rod, and the left end of the push plate is fixedly connected with the movable rod end of the first push rod.

Preferably, the arc-shaped plates are divided into six groups, and the six groups of arc-shaped plates are distributed at equal included angles.

Preferably, the joint of the supporting rotating shaft and the right side of the first vertical frame is arranged on the auxiliary supporting sleeve, and the supporting rotating shaft is in rolling connection with the first vertical frame through a ball bearing.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when using, first push rod promotes to make the kicking block stretch out the cylinder and withhold the straight downthehole wall of machined part taper hole, and the second push rod promotes toper locating piece butt machined part taper hole inclined hole for the machined part is fixed, even the straight downthehole diameter of taper hole of this kind of design is greater than the reference column diameter, still can play the positioning action, has improved the suitability of device, makes the device can adapt to different taper hole machined parts, and the fixed disk can rotate in the scheme, and then can conveniently switch the machined surface.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a view of the installation of the workpiece of the present invention;

FIG. 3 is an enlarged schematic view of the utility model at A;

FIG. 4 is a schematic view of the structure of the conical head push rod of the present invention;

fig. 5 is a schematic view of the cross-sectional structure of the positioning column according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-workbench, 2-first vertical frame, 3-second vertical frame, 4-supporting rotating shaft, 5-fixed disc, 6-motor, 7-supporting ring, 8-vertical plate, 9-adjusting positioning column, 10-first push rod, 11-second push rod, 12-connecting piece, 13-conical positioning block, 14-auxiliary supporting sleeve, 91-column body, 92-circular cavity, 93-arc plate, 94-return spring, 95-top block, 96-conical head push rod, 97-through hole, 961-conical head, 962-push rod and 963-push plate.

Detailed Description

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 only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a machining clamp for a workpiece with a taper hole on a numerical control machine tool comprises a workbench 1, wherein a first vertical frame 2 is arranged on the left side of the top end of the workbench 1, a second vertical frame 3 is arranged on the right side of the top end of the workbench 1, a supporting rotating shaft 4 is rotatably arranged on the upper portion of the right side wall of the first vertical frame 2, a fixed disc 5 is arranged on the right end of the supporting rotating shaft 4, a motor 6 is connected to the left end of the supporting rotating shaft 4 penetrating through the first vertical frame 2, a supporting ring 7 is arranged in the middle of the right end of the fixed disc 5, a vertical plate 8 is fixedly arranged on the right end of the supporting ring 7, an adjusting positioning column 9 is arranged in the middle of the right side wall of the vertical plate 8, a first push rod 10 is arranged in the middle of the right side of the fixed disc 5, the first push rod 10 is positioned in the supporting ring 7, a push rod end, a conical positioning block 13 is arranged in the connecting piece 12, and the central line of the conical positioning block 13 is superposed with the central line of the adjusting positioning column 9.

Further, adjust reference column 9 including cylinder 91, be provided with circular cavity 92 in the cylinder 91, evenly be provided with arc 93 in the circular cavity 92, the cross section of arc 93 is for carving the type, arc 93 extrados middle part is provided with kicking block 95, circular cavity 92 lateral wall corresponds kicking block 95 and has seted up opening 97, kicking block 95 slip grafting opening 97, evenly be provided with reset spring 94 between arc 93 extrados and the circular cavity 92 inside wall, circular cavity 92 middle part is provided with circular cone head push rod 96, circular cone head push rod 96 circular cone head slip butt arc 93 internal wedge face, circular cone head push rod 96 push rod end slip through connection vertical board 8 middle parts.

Furthermore, the conical head push rod 96 comprises a conical head 961, a push rod 962 and a push plate 963, the conical head 961 is fixedly connected to the right end of the push rod 962, the push plate 963 is arranged at the left end of the push rod 962, and the left end of the push plate 963 is fixedly connected to the movable rod end of the first push rod 10.

Furthermore, the arc plates 93 have six groups, and the six groups of arc plates 93 are distributed at equal included angles.

Furthermore, the joint of the supporting rotating shaft 4 and the right side of the first vertical frame 2 is arranged on the auxiliary supporting sleeve 14, and the supporting rotating shaft 4 is in rolling connection with the first vertical frame 2 through a ball bearing.

One specific application of this embodiment is: the device is a processing clamp for a workpiece with a taper hole on a numerical control machine tool, and electric devices in the device are electrically connected with an external power supply through an external control switch.

The utility model discloses when using, align the straight hole end alignment of taper hole machined part taper hole and adjust reference column 9 and peg graft, then start first push rod 10, first push rod 10 promotes and makes taper head push rod 96 move to the right side, taper head push rod 96 moves to the right side and promotes the arc 93 rebound that has the tapering, and then make kicking block 95 stretch out cylinder 91 and withstand the straight hole inner wall of machined part taper hole, then second push rod 11 starts promotion toper locating piece 13 and moves to the left side, until butt machined part taper hole inclined hole, make the machined part fixed, even the straight hole internal diameter of taper hole is greater than the reference column diameter this kind of design, still can play the positioning action, the suitability of device has been improved, make the device can adapt to different taper hole machined parts.

The conical positioning block 13 can be detached, and when the positioning device is used, the conical positioning block consistent with the taper of the machining part conical hole is adopted.

When the machined surface needs to be replaced, the second push rod 11 contracts slightly, so that the pressing force between the conical positioning block 13 and the conical hole is lost, then the motor 6 is started, the motor 6 drives the supporting rotating shaft 4 to perform angle adjustment (the supporting rotating shaft 4 rotates to rotate in a reciprocating mode, and accordingly winding of cables related to the first push rod is avoided), and further machining surface switching is achieved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a be used for taking add clamping apparatus of taper hole work piece on digit control machine tool, including workstation (1), its characterized in that: the device is characterized in that a first vertical frame (2) is arranged on the left side of the top end of the workbench (1), a second vertical frame (3) is arranged on the right side of the top end of the workbench (1), a supporting rotating shaft (4) is rotatably arranged on the upper portion of the right side wall of the first vertical frame (2), a fixed disc (5) is arranged at the right end of the supporting rotating shaft (4), a motor (6) is connected to the left end of the supporting rotating shaft (4) penetrating through the first vertical frame (2), a supporting ring (7) is arranged in the middle of the right end of the fixed disc (5), a vertical plate (8) is fixedly arranged at the right end of the supporting ring (7), an adjusting positioning column (9) is arranged in the middle of the right side wall of the vertical plate (8), a first push rod (10) is arranged in the middle of the right side of the fixed disc (5), the first push rod (10), a second push rod (11) is arranged on the upper portion of the left side wall of the second vertical frame (3), a connecting piece (12) is arranged at the telescopic rod end of the second push rod (11), a conical positioning block (13) is installed in the connecting piece (12), and the central line of the conical positioning block (13) coincides with the central line of the adjusting positioning column (9).

2. The machining clamp for the workpiece with the taper hole on the numerical control machine tool according to claim 1, characterized in that: the adjusting positioning column (9) comprises a column body (91), a circular cavity (92) is arranged in the column body (91), arc-shaped plates (93) are uniformly arranged in the circular cavity (92), the cross sections of the arc-shaped plates (93) are wedge-shaped, a top block (95) is arranged in the middle of the outer arc surface of the arc-shaped plate (93), a through hole (97) is formed in the side wall of the circular cavity (92) corresponding to the top block (95), the top block (95) is slidably inserted into the through hole (97), a return spring (94) is uniformly arranged between the outer arc surface of the arc-shaped plate (93) and the inner side wall of the circular cavity (92), a conical head push rod (96) is arranged in the middle of the circular cavity (92), the conical head of the conical head push rod (96) is in sliding contact with an inner wedge surface of the arc-shaped plate (93), the push rod end of the conical head push rod (96) is connected with the middle part of the vertical plate (8) in a sliding and penetrating manner.

3. The machining clamp for the workpiece with the taper hole on the numerical control machine tool according to claim 2, characterized in that: the cone head push rod (96) comprises a cone head (961), a push rod (962) and a push plate (963), wherein the cone head (961) is fixedly connected to the right end of the push rod (962), the push plate (963) is arranged at the left end of the push rod (962), and the left end of the push plate (963) is fixedly connected with the movable rod end of the first push rod (10).

4. The machining clamp for the workpiece with the taper hole on the numerical control machine tool according to claim 2, characterized in that: the arc-shaped plates (93) are divided into six groups, and the six groups of arc-shaped plates (93) are distributed at equal included angles.

5. The machining clamp for the workpiece with the taper hole on the numerical control machine tool according to claim 1, characterized in that: the supporting rotating shaft (4) is arranged on the auxiliary supporting sleeve (14) at the right side connecting part of the first vertical frame (2), and the supporting rotating shaft (4) is in rolling connection with the first vertical frame (2) through a ball bearing.