CN212122375U

CN212122375U - Five-shaft-like rotary clamping mechanism

Info

Publication number: CN212122375U
Application number: CN202020179337.4U
Authority: CN
Inventors: 陈德强; 李先祥; 王雷; 黄德权
Original assignee: Dongguan Lingfeng Electronics Co ltd
Current assignee: Guangdong Lingfeng Intelligent Technology Co ltd
Priority date: 2020-02-18
Filing date: 2020-02-18
Publication date: 2020-12-11
Anticipated expiration: 2030-02-18

Abstract

The utility model discloses a five-axis-like rotary clamping mechanism, which comprises a transfer plate for connecting the clamping mechanism with a four-axis transmission of a processing machine table, wherein two supporting seats arranged at intervals are fixedly arranged on the transfer plate, the space between the two supporting seats is an accommodating space of a workpiece fixture, a rotary clamping seat is movably arranged on each supporting seat, the two rotary clamping seats are opposite to each other in the arrangement position and are arranged in the accommodating space, each rotary clamping seat is in transmission connection with a rotary driving component arranged on the matched supporting seat, and each rotary driving component can drive the rotary clamping seat in transmission connection with the rotary driving component to rotate between a horizontal position and a vertical position; each all still be equipped with locating component on the supporting seat, each locating component's location bolt homoenergetic runs through perpendicularly the supporting seat and activity embedding system are in the locating hole on the rotatory holder, fix a position fixedly to the rotatory holder of vertical position.

Description

Five-shaft-like rotary clamping mechanism

Technical Field

The utility model belongs to the technical field of automatic CNC processing equipment and specifically relates to a five rotatory fixture of kind.

Background

At present, five surfaces of a product to be processed are processed by three methods, wherein the first method is to split the product into five clamping positions, design five sets of jigs and respectively process five surfaces by using three-axis equipment; the second type is that the fixture is split into two clamping positions, wherein one clamping position is used for processing four surfaces by using four-axis equipment, the other clamping position is used for processing the rest surface by using three-axis equipment, and two sets of jigs are needed in total; the third type is a clamping position, five surfaces are machined by using five-axis equipment, and only one set of jig is used. In the first mode, the input cost of the jig is increased, multiple times of clamping is needed, the probability that the product is damaged by collision, pressure and scratch is increased, and the yield of the product is reduced. When mass production is carried out, the processing efficiency is low, the requirements on personnel and equipment are large, the manpower and the management cost are correspondingly increased, and the profit margin of enterprises is influenced. In the second method, the requirement for personnel is smaller than that in the first method, but the product still needs to be clamped for the second time, the probability of damaging, pressing and scratching the product is higher, and the processing efficiency is not high. The first mode and the second mode can lead to the processing procedure of product complicated because of product clamping many times, extravagant manpower, and when repeated clamping has the size of correlation to the machining dimension, lead to the accumulation of processing benchmark limit error. The third method has small demand on personnel and high machining efficiency, but needs to use five-axis equipment, which is expensive and has large burden on enterprises.

Therefore, a five-axis-like rotary clamping mechanism which is simple in structure, convenient to assemble and capable of improving machining efficiency is urgently needed in the market.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a five rotatory fixture of kind to the problem among the above-mentioned prior art, this fixture can realize a clamping and accomplish five processing of face, promote the product yield, avoided repeated clamping to cause form and position tolerance bad, improve machining efficiency and practice thrift labour cost.

In order to solve the technical problem, the utility model adopts the following technical scheme that the five-axis-like rotary clamping mechanism comprises a switching plate for connecting the clamping mechanism with the four-axis transmission of a processing machine table, two supporting seats arranged at intervals are fixedly arranged on the switching plate, the interval space of the two supporting seats is the accommodating space of a workpiece clamp, a rotary clamping seat is movably arranged on each supporting seat, the two rotary clamping seats are opposite to each other and are arranged in the accommodating space in the arrangement position, each rotary clamping seat is in transmission connection with a rotary driving component arranged on the matched supporting seat, and each rotary driving component can drive the rotary clamping seat in transmission connection with the rotary driving component to rotate between the horizontal position and the vertical position; each all still be equipped with locating component on the supporting seat, each locating component's location bolt homoenergetic runs through perpendicularly the supporting seat and activity embedding system are in the locating hole on the rotatory holder, fix a position fixedly to the rotatory holder of vertical position.

As a further elaboration of the above technical solution:

in the technical scheme, each supporting seat is provided with a cavity, the cavity is sealed through a sealing cover, an air wheel is arranged in the cavity, the air wheel is provided with a notch, the notch is matched with the sealing cover to form a sealed impeller cavity, the supporting seat is provided with an air pipe joint which is connected with an external air source and communicated with the sealed impeller cavity, the air wheel is embedded with an impeller which is coaxially arranged with the air wheel, and the impeller is connected with the rotary clamping seat through a fastening piece which penetrates through the sealing cover; an external air source is used for ventilating the sealed impeller cavity through the air pipe joint, and the impeller is enabled to rotate in the sealed impeller cavity in a matching mode and drives the rotating clamp seat to rotate.

In the above technical scheme, the fastener is a connecting bolt, and the air pipe joint is an L-shaped joint.

In the above technical scheme, the locating component is still including setting firmly mounting bracket on the supporting seat, be equipped with drive arrangement on the mounting bracket, drive arrangement through connect buckle with the transmission of location bolt is connected, drive arrangement can the transmission the location bolt runs through the supporting seat and orientation/deviate from rotatory holder removes, matches the fixed/rotatory to vertical position of unclamping of location rotatory holder.

In the above technical solution, the driving device is a needle cylinder.

The utility model has the advantages that the utility model is connected with the workpiece clamp through the rotary clamping mechanism arranged on the four-axis adapter plate, thereby completing the processing of 5 surfaces of the product on the machine table of the original four-axis operation, realizing the processing of five surfaces of the processed product through one-time clamping, and facilitating the reference detection; the yield of products is improved, and poor form and position tolerance caused by repeated clamping is avoided; the working efficiency is improved, and the labor cost is saved.

Drawings

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

fig. 2 is an exploded view of the present invention;

fig. 3 is a view showing the rotary holder of the present invention rotated to a horizontal position.

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 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 will be understood that when an element is referred to as being "mounted on" another element, it can be directly mounted on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Fig. 1 is a perspective view of the present invention, and fig. 2 is an exploded view of the present invention; fig. 3 is a view showing the rotary holder of the present invention rotated to a horizontal position. The fixture of figure shows sets up the fixture that comprises supporting seat 200, rotatory holder 300, rotary driving subassembly 400 and locating component 500 through the keysets 100 that is connected with the four-axis transmission of processing board for can realize five face processings of product on the original four-axis operation board that can only accomplish four face operations, realize the processing of five faces of the product of being processed through a clamping, make things convenient for the benchmark to survey, the product yield has been promoted, the form and position tolerance of having avoided the influence of repeated clamping is bad, the work efficiency has been promoted, labor cost has been practiced thrift.

Referring to fig. 1-3, a clamping mechanism according to an embodiment of the present invention includes an adapter plate 100 for connecting the clamping mechanism with a four-axis transmission of a processing machine, two supporting seats 200 disposed at intervals are fixedly disposed on the adapter plate 100, an interval space between the two supporting seats 200 is an accommodating space 001 of a work fixture, each of the supporting seats 200 is movably mounted with a rotating holder 300, the two rotating holders 300 are disposed opposite to each other and are disposed in the accommodating space 001, each of the rotating holders 300 is in transmission connection with a rotating driving assembly 400 disposed on the matched supporting seat 200, and each of the rotating driving assemblies 400 is capable of driving the rotating holder 300 in transmission connection therewith to rotate between a horizontal position (clamping position) and a vertical position (processing position); each of the supporting seats 200 is further provided with a positioning assembly 500, and a positioning pin 51 of each positioning assembly 500 can vertically penetrate through the supporting seat 200 and is movably embedded into a positioning hole 301 formed in the rotating holder 300, so as to position and fix the rotating holder 300 rotating to a vertical position. It should be noted that the two rotating holders 300 are symmetrically disposed to clamp and fix the workpiece fixture, and the rotating holders 300 in this embodiment are not in contact with the machined part, and are used to clamp and fix the fixture for holding and clamping the workpiece. During actual processing, firstly, the two rotary clamping seats 300 symmetrically arranged through transmission rotate to the horizontal position (refer to the attached drawing 3), then a workpiece clamp is clamped at the position, then the two rotary clamping seats 300 are driven to rotate to the vertical position, then the adapter plate 100 is driven to rotate by the processing machine table, and then the processing of five surfaces is completed, and the transverse interval of the rotary clamping seats 300 is matched with the width of the workpiece clamp, namely in practice, the rotary clamping seats 300 do not need to be driven to move transversely.

It can be understood that, in other embodiments, in order to drive the two rotating holders 300 to rotate, each of the supporting bases 200 is formed with a cavity 201, the cavity 201 is sealed by a sealing cover 21, an air wheel 22 is arranged in the cavity 201, a slot 221 is formed on the air wheel 22, the slot 221 matches with the sealing cover 21 to form a sealing impeller cavity 202, the supporting base 200 is provided with an air pipe connector 23 connected with an external air source and communicated with the sealing impeller cavity 202, the air wheel 22 is embedded with an impeller 24 coaxially arranged with the air wheel 22, and the impeller 24 is connected with the rotating holders 300 by fasteners 25 penetrating through the sealing cover 21; an external air source is connected to the air pipe connector 23 to supply air into the seal impeller cavity 202, so that the impeller 24 rotates in the seal impeller cavity 202 and drives the rotary holder 300 to rotate. It should be noted that the gas turbine 22 is a gas turbine having a hollow shaft hole, the angle of the central angle corresponding to the notch 221 is less than 180 °, the impeller 24 is a fan-shaped impeller, one end of the fan-shaped impeller is provided with a rotating head, the rotating head is embedded in the hollow shaft hole, the other end of the fan-shaped impeller is a fan-shaped part, the fan-shaped part is provided with a groove, when the sealed impeller cavity 202 is inflated, the air pressure in the sealed impeller cavity 202 changes, so that the impeller 22 is driven to rotate in the notch 221 by taking the rotating head and the shaft center of the gas turbine 22 as a rotating shaft, the rotating holder 300 is connected with the impeller 22 through a fastener 25, and when the impeller 22 rotates, the rotating holder 300 is matched to rotate between a horizontal position and a vertical position.

It will be appreciated that in other embodiments, the fastener 25 is a connecting bolt for secure attachment and the air tube connector 23 is an L-shaped connector for sealing the inflation of the impeller cavity 202 and facilitating air supply connection.

It can be understood that, in other embodiments, in order to realize that the rotating holder 300 can be fixed and clamp the workpiece fixture after rotating to the vertical position, the positioning assembly 500 further includes a mounting bracket 52 fixedly disposed on the supporting base 200, a driving device 53 is disposed on the mounting bracket 52, in this embodiment, the mounting bracket 52 is a door-shaped mounting bracket, the driving device 53 is a needle core cylinder, the driving device 53 is in transmission connection with the positioning plug pin 51 through a connecting buckle 54, and the driving device 53 can transmit the positioning plug pin 51 to penetrate through the supporting base 200 and move towards/away from the rotating holder 300, so as to match, fix/release the rotating holder 300 rotating to the vertical position.

The utility model discloses a set up rotatory fixture on the four-axis keysets, be connected with the work piece anchor clamps through fixture to accomplish 5 processing of product on the board of original four-axis operation, realize the processing of five faces of the product of being processed through a clamping, make things convenient for the benchmark to survey; the yield of products is improved, and poor form and position tolerance caused by repeated clamping is avoided; the working efficiency is improved, and the labor cost is saved.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The five-axis-like rotary clamping mechanism is characterized by comprising an adapter plate for connecting the clamping mechanism with a four-axis transmission of a machining machine table, wherein two supporting seats which are arranged at intervals are fixedly arranged on the adapter plate, the space between the two supporting seats is an accommodating space of a workpiece fixture, a rotary clamping seat is movably arranged on each supporting seat, the two rotary clamping seats are opposite to each other in the arrangement position and are arranged in the accommodating space, each rotary clamping seat is in transmission connection with a rotary driving component arranged on the matched supporting seat, and each rotary driving component can drive the rotary clamping seat in transmission connection with the rotary driving component to rotate between a horizontal position and a vertical position; each all still be equipped with locating component on the supporting seat, each locating component's location bolt homoenergetic runs through perpendicularly the supporting seat and activity embedding system are in the locating hole on the rotatory holder, fix a position fixedly to the rotatory holder of vertical position.

2. The five-shaft-like rotary clamping mechanism as claimed in claim 1, wherein each of the supporting seats is provided with a cavity, the cavity is sealed by a sealing cover, a gas wheel is arranged in the cavity, the gas wheel is provided with a notch, the notch is matched with the sealing cover to form a sealed impeller cavity, the supporting seat is provided with a gas pipe joint connected with an external gas source and communicated with the sealed impeller cavity, the gas wheel is embedded with an impeller coaxially arranged with the gas wheel, and the impeller is connected with the rotary clamping seat through a fastening piece penetrating through the sealing cover; an external air source is used for ventilating the sealed impeller cavity through the air pipe joint, and the impeller is enabled to rotate in the sealed impeller cavity in a matching mode and drives the rotating clamp seat to rotate.

3. The five-axis-like rotating clamping mechanism as claimed in claim 2, wherein the fastener is a connecting bolt, and the air pipe joint is an L-shaped joint.

4. The five-axis-like rotary clamping mechanism according to claim 1, wherein the positioning assembly further comprises a mounting frame fixedly arranged on the supporting seat, a driving device is arranged on the mounting frame, the driving device is in transmission connection with the positioning bolt through a connecting buckle, the driving device can drive the positioning bolt to penetrate through the supporting seat and move towards/away from the rotary clamping seat, and the rotary clamping seat is matched, positioned, fixed/loosened and rotated to a vertical position.

5. The five-axis-like rotary clamping mechanism as claimed in claim 4, wherein the driving means is a needle cylinder.