CN219310180U

CN219310180U - Milling machine fixture for air-liquid radiator

Info

Publication number: CN219310180U
Application number: CN202320309400.5U
Authority: CN
Inventors: 孙德明; 方库银; 黄志勇; 葛光荣
Original assignee: Guizhou Yonghong Aviation Machinery Co Ltd
Current assignee: Guizhou Yonghong Aviation Machinery Co Ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-07-07
Anticipated expiration: 2033-02-24

Abstract

The utility model discloses an air liquid radiator milling machine fixture which mainly comprises an assembly bracket, a positioning shaft, a lower positioning support, a lateral positioner, a pressing mechanism, a pneumatic control mechanism, a locking screw and the like. The positioning shaft, the lower positioning support, the lateral positioning device, the pressing mechanism and the pneumatic control mechanism are detachably arranged on the assembly bracket, so that the air liquid radiator is pressed and positioned in the axial direction, the upward direction, the left-right direction and the downward direction respectively. The pneumatic control mechanism provides sufficient gas pressure for the lower positioning support and the pressing mechanism, and the locking screw fixes the position of the positioning shaft. The milling machine fixture can simply and efficiently perform milling operation of the air-liquid radiator, and ensure the processing quality of the air-liquid radiator.

Description

Milling machine fixture for air-liquid radiator

Technical Field

The utility model belongs to the technical field of radiator milling, and particularly relates to an assembly structure clamp for matched milling.

Background

The air-liquid radiator is used as a main component of an electromechanical system of an aircraft and is used for exchanging heat between air and cooling liquid. When the air-liquid radiator is processed, the traditional method is adopted at present to align, adjust, position and clamp, namely, a general clamping mode aiming at general parts is adopted: the pressing plate presses the part on the milling machine workbench. However, the air liquid radiator has larger volume, more special-shaped surfaces exist on the appearance, the special-shaped surfaces are inconvenient to compress, if the traditional clamping mode is adopted, the alignment and clamping are difficult, the repeated clamping efficiency is low, and finally the milled product quality is unstable. In order to produce the practical needs, a set of special fixture of the milling machine for the air-liquid radiator is urgently needed to be designed.

Disclosure of Invention

The utility model aims to provide the milling machine fixture for the air liquid radiator, which has the functions of assembly, positioning and automatic locking and pressing, and can adapt to the appearance characteristics of the air liquid radiator, so that the numerical control milling processing of the air liquid radiator is simply and efficiently performed, the performance requirement of an aircraft electromechanical system on the air liquid radiator is met, the positioning processing is particularly convenient to adjust, the processing efficiency is improved, and the product quality is ensured.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

an air liquid radiator milling machine fixture, comprising,

the assembly support mainly comprises a bottom plate, vertical plates and supporting legs, wherein the two vertical plates are parallel and are arranged on the upper end face of the bottom plate at intervals, the two supporting legs are parallel and are arranged on the lower end face of the bottom plate at intervals, a first mounting hole, a second mounting hole and a third mounting hole are formed in the bottom plate, a positioning protrusion is arranged on one surface of the two vertical plates, a through hole is formed in the other surface of the two vertical plates, the lower end of each supporting leg is a mounting plane in contact with a milling machine workbench, and a connecting notch is formed in the mounting plane:

the positioning shaft is detachably inserted into the through hole of the vertical plate;

the lower positioning support is positioned between the two vertical plates, the lower end of the lower positioning support is detachably connected in the first mounting hole of the bottom plate, and the vertical distance from the upper end of the lower positioning support to the bottom plate is variable;

the lateral positioner is positioned between the two vertical plates and positioned at one side of the connecting line of the positioning bulge and the through hole on the vertical plates, the lower end of the lateral positioner is detachably connected in the second mounting hole of the bottom plate, and at least one positioning contact is arranged on the lateral positioner;

the pressing mechanism is positioned between the two vertical plates and positioned on two sides of the connecting line of the positioning protrusion and the through hole, the lower end of the pressing mechanism is detachably connected in the third mounting hole of the bottom plate, and the upper end of the pressing mechanism is a rotatable pressing plate.

Further, the positioning bulge is detachably connected to the vertical plate through a screw or a pin shaft, a locking screw hole is further formed in the vertical plate provided with the through hole, the locking screw hole is intersected with the through hole, and a locking screw is arranged in the locking screw hole.

Further, the positioning shaft is a stepped shaft, the maximum outer diameter of the positioning shaft is larger than the inner diameter of the through hole on the vertical plate, and the minimum outer diameter of the positioning shaft is smaller than the inner diameter of the through hole on the vertical plate.

Further, the lower positioning supporters are arranged at intervals and in parallel, and the lower positioning supporters are of pneumatic telescopic structures.

Further, the lateral positioner comprises a main body, a plurality of adjusting screws penetrating through the main body are arranged along the height direction of the main body, and the tail ends of the adjusting screws form positioning contacts.

Further, hold-down mechanism still includes base and cylinder, and the cylinder is installed on the base, and the piston rod one end of cylinder articulates at first pin joint with the clamp plate, and the base articulates at the second pin joint with the clamp plate.

Further, when the lower positioning support in the air liquid radiator milling machine fixture is of a pneumatic telescopic structure or the compressing mechanism comprises an air cylinder, the air liquid radiator milling machine fixture further comprises a pneumatic control mechanism, the pneumatic control mechanism is arranged on the bottom plate, and the pneumatic control mechanism comprises a valve and an operating handle for controlling air flow on-off.

Compared with the prior art, the milling machine clamp for the air-liquid radiator has the following characteristics:

(1) The milling machine fixture for the air-liquid radiator is relatively simple to manufacture, is very convenient in the use process, and can realize the compaction, positioning and locking of the air-liquid radiator only after five components are assembled;

(2) When the air liquid radiator component is independently arranged in the milling machine fixture, the compaction positioning can be implemented in different directions through the positioning shaft, the lower positioning support, the lateral positioning device and the compaction mechanism, so that the coordination limit can be conveniently adjusted;

(3) The milling machine fixture has good repeated positioning performance, can ensure the processing size requirement of each batch of products after pressing and locking the products, has simple and compact structure, is convenient to adjust and position in positioning and clamping operation, and is suitable for the appearance of an air liquid radiator;

(4) The air liquid radiator milling machine fixture is pneumatically driven to compress and support, is convenient to reset, has good use effect, is reliable and stable in quality, and ensures the quality requirement of products;

(5) When the milling machine fixture is used for processing air-liquid radiators in batches, good economic benefits can be created due to high efficiency and simple operation.

Drawings

FIG. 1 is a front view of an air liquid radiator milling machine fixture;

FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a perspective view of FIG. 1;

FIG. 5 is a front view of an air liquid radiator milling machine fixture with product mounted thereon;

FIG. 6 is a top view of FIG. 5;

FIG. 7 is a perspective view of FIG. 5;

FIG. 8 is a perspective view of a product of an air-liquid radiator;

FIG. 9 is a front view of the mounting bracket;

FIG. 10 is a left side view of FIG. 9;

FIG. 11 is a top view of FIG. 9;

FIG. 12 is a perspective view of FIG. 9;

FIG. 13 is a front view of a positioning shaft;

FIG. 14 is a left side view of FIG. 13;

FIG. 15 is a top view of FIG. 13;

FIG. 16 is a perspective view of FIG. 13;

FIG. 17 is a front view of the lower positioning support;

FIG. 18 is a left side view of FIG. 17;

FIG. 19 is a top view of FIG. 17;

FIG. 20 is a perspective view of FIG. 17;

FIG. 21 is a front view of a lateral positioner;

FIG. 22 is a left side view of FIG. 21;

FIG. 23 is a top view of FIG. 21;

fig. 24 is a perspective view of fig. 21;

FIG. 25 is a front view of the automatic hold down mechanism;

FIG. 26 is a left side view of FIG. 25;

FIG. 27 is a top view of FIG. 25;

FIG. 28 is a perspective view of FIG. 25;

FIG. 29 is a front view of the pneumatic control device;

FIG. 30 is a left side view of FIG. 29;

FIG. 31 is a top view of FIG. 29;

fig. 32 is a perspective view of fig. 29;

in the figure: the device comprises a 1-assembly bracket, a 2-positioning shaft, a 3-lower positioning support, a 4-lateral positioner, a 5-automatic pressing mechanism, a 6-pneumatic control mechanism and 7-locking screws.

Detailed Description

The present utility model will be further described with reference to the drawings and the specific embodiments, but it should not be construed that the scope of the subject matter of the present utility model is limited to the following embodiments, and various modifications, substitutions and alterations made according to the ordinary skill and familiar means of the art to which this utility model pertains are included within the scope of the present utility model without departing from the above technical idea of the utility model.

As shown in fig. 1 to 4, the milling machine fixture for the air-liquid radiator mainly comprises an assembly bracket 1, a positioning shaft 2, a lower positioning support 3, a lateral positioner 4, a pressing mechanism 5, a pneumatic control mechanism 6, a locking screw 7 and the like.

The air-liquid radiator milling machine fixture is provided with a product (the structure of the air-liquid radiator is shown in fig. 8) and is schematically shown in fig. 5-7.

The assembly bracket 1 (see fig. 9-12) is a mounting and positioning bracket for products in the milling machine fixture of the air-liquid radiator, and has the main functions of being used as a framework and a main body for mounting and positioning all important components in the milling machine fixture of the air-liquid radiator, and connecting the clamped air-liquid radiator with a working platform of the milling machine. The assembly bracket 1 comprises a bottom plate, two vertical plates and two supporting legs, the air-liquid radiator is placed between the two parallel vertical plates, the axial positioning is realized through positioning protrusions and positioning shafts 2 which are respectively arranged on the two vertical plates, the positioning protrusions are disc-shaped pieces, the positioning protrusions are arranged on one vertical plate through screws, the other vertical plate is provided with a through hole for inserting the positioning shaft 2, and the vertical plate is also provided with a locking screw 7, as shown in fig. 7, when the locking screw 7 is rotated, the lower end of the locking screw 7 is pressed on the surface of the positioning shaft 2, so that the position of the positioning shaft 2 is fixed; the lower ends of the two supporting legs of the assembly bracket 1 are fixed planes which are used for being installed on a working platform of a milling machine, and waist-shaped grooves are formed in the fixed planes, so that the fastening bolts are convenient to install, and the clamp and the milling machine are connected; the bottom plate is provided with a plurality of mounting holes which are respectively used as interfaces connected with the lower positioning support 3, the lateral positioning device 4 and the pressing mechanism 5.

The positioning shaft 2 (see fig. 13-16) is a product assembling positioning piece of the milling machine fixture of the air liquid radiator, and has the main functions of installing and positioning the air liquid radiator, and axially limiting, so as to ensure the correct positioning and clamping of the product. The positioning shaft 2 is of a variable cross-section stepped design, and can be inserted into the through hole of the vertical plate in one way.

The lower positioning support 3 (see fig. 17-20) is a lower positioning support component of the milling machine fixture of the air liquid radiator, and has the main functions of adjusting and supporting the locking product on the milling machine fixture, wherein an air bag and a corresponding air interface are arranged on the lower positioning support 3, and the supporting height is raised and lowered through the expansion and contraction of the air bag;

the lateral positioner 4 (see fig. 21-24) is a lateral positioning and pressing component of the milling machine fixture of the air liquid radiator, and has the main functions of adjusting and locking a product on the milling machine fixture, the lateral positioner 4 realizes lateral pressing through screwing and moving a plurality of adjusting screws, the lateral adjusting screws are locked by adopting a backup nut, and one end of the adjusting screw, which is contacted with the air liquid radiator, is processed into an arc spherical surface, so that the positioning and the limiting are convenient;

the pressing mechanism 5 (see fig. 25-28) is an automatic product pressing component of the milling machine fixture of the air liquid radiator, and has the main functions of automatically pressing a product on the milling machine fixture, and the pressing mechanism 5 pushes a piston rod to move up and down through a cylinder so as to drive a pressing plate hinged at the uppermost end to overturn around another hinge point, and finally pressing or separating the product;

the pneumatic control mechanism 6 (see fig. 29-32) is a pneumatic adjusting control part of the milling machine fixture of the air liquid radiator, the main functions of the pneumatic adjusting control part are to adjust, control and lock a product on the milling machine fixture, and prevent the product from shifting during the milling process, and the pneumatic control mechanism 6 comprises a pneumatic valve and a valve handle which are respectively connected with an air cylinder in the compressing mechanism 5 and an air bag air tap of the lower positioning support 3 through pipelines;

the locking screw 7 is a connecting locking part of the milling machine fixture of the air liquid radiator, and has the main functions of connecting, locking and pressing a connecting piece (a positioning shaft 2) and locking the axial position of the air liquid radiator.

In this embodiment, the assembly bracket 1, the positioning shaft 2, the lower positioning support 3, the lateral positioner 4, the pressing mechanism 5, the pneumatic control mechanism 6 and the locking screw 7 in the milling machine fixture for the air liquid radiator are assembled together according to the following manner:

1. the positioning shaft 2 is arranged on the assembly bracket 1;

2. the lower positioning support 3 is arranged on the assembly bracket 1, and the height of the lower positioning support is adjusted to support the air-liquid radiator;

3. mounting the lateral positioner 4 on the assembly bracket 1, and rotationally adjusting and positioning the air-liquid radiator;

4. the compressing mechanism 5 is arranged on the assembly bracket 1 to compress the limiting air liquid radiator;

5. the pneumatic control mechanism 6 is arranged on the assembly bracket 1 to perform the lower positioning of the supporting device 3 and the pressing mechanism 5

The air flow on-off or pressure is regulated and controlled;

6. finally, the locking screw 7 is used for connecting, locking and compacting the positioning shaft 2.

The steps of using the milling machine fixture for the air-liquid radiator are as follows:

firstly, detaching a positioning shaft 2 from a milling machine fixture, loading a lower positioning support 3 assembly onto the milling machine fixture (openings at two ends of a product are respectively matched with a positioning protrusion and the positioning shaft 2), and fixing the positioning shaft 2 by using a locking screw 7 to preliminarily limit and position the lower positioning support 3 assembly;

step two, adjusting the height of the lower positioning support 3 so as to support the lower positioning support 3, leveling the lower positioning support 3 and positioning the lower positioning support 3 in a preliminary way on a machining plane;

thirdly, using a lateral positioner 4 to position the support 3 under lateral limit;

fourthly, positioning and pressing the lower positioning support 3 from top to bottom by using a pressing mechanism 5;

fifthly, utilizing a pneumatic control mechanism 6 to adjust and control and lock the product on a milling machine fixture, and preventing the displacement of the lower positioning support 3 during the milling process;

sixthly, placing the lower positioning support 3 and the milling machine fixture together on a milling machine for positioning and compacting;

seventh, processing according to drawing requirements and technical specification requirements;

and eighth step, checking the machining process according to the technological requirements, finishing the machining, detaching the lower positioning support 3 after finishing the machining from the milling machine fixture, and cleaning and checking.

Claims

1. Air liquid radiator milling machine fixture, its characterized in that: comprising the steps of (a) a step of,

the assembly bracket (1) mainly comprises a bottom plate, vertical plates and supporting legs, wherein the two vertical plates are arranged on the upper end face of the bottom plate in parallel at intervals, the two supporting legs are arranged on the lower end face of the bottom plate in parallel at intervals, a first mounting hole, a second mounting hole and a third mounting hole are formed in the bottom plate, a positioning protrusion is arranged on one surface of the two vertical plates, a through hole is formed in the other surface of the two vertical plates, the lower end of each supporting leg is a mounting plane in contact with a milling machine workbench, and a connecting notch is formed in the mounting plane;

the positioning shaft (2) is detachably inserted into the through hole of the vertical plate;

the lower positioning support (3) is positioned between the two vertical plates, the lower end of the lower positioning support (3) is detachably connected in the first mounting hole of the bottom plate, and the vertical distance from the upper end of the lower positioning support (3) to the bottom plate is variable;

the lateral positioner (4) is positioned between the two vertical plates and at one side of the connecting line of the positioning bulge and the through hole on the vertical plates, the lower end of the lateral positioner (4) is detachably connected in the second mounting hole of the bottom plate, and at least one positioning contact is arranged on the lateral positioner (4);

the pressing mechanism (5), the pressing mechanism (5) is located between two risers, and is located the both sides that location arch and through-hole were connected on the riser, and the connection can be dismantled in the third mounting hole of bottom plate to the lower extreme of pressing mechanism (5), and the upper end of pressing mechanism (5) is rotatable clamp plate.

2. The air to liquid radiator milling machine fixture of claim 1, wherein: the positioning bulge is detachably connected to the vertical plate through a screw or a pin shaft, a locking screw hole is further formed in the vertical plate provided with the through hole, the locking screw hole is intersected with the through hole, and a locking screw (7) is arranged in the locking screw hole.

3. The air to liquid radiator milling machine fixture of claim 1, wherein: the positioning shaft (2) is a stepped shaft, the maximum outer diameter of the positioning shaft (2) is larger than the inner diameter of the through hole on the vertical plate, and the minimum outer diameter of the positioning shaft (2) is smaller than the inner diameter of the through hole on the vertical plate.

4. The air to liquid radiator milling machine fixture of claim 1, wherein: the lower positioning supporters (3) are arranged at intervals and in parallel, and the lower positioning supporters (3) are of pneumatic telescopic structures.

5. The air to liquid radiator milling machine fixture of claim 1, wherein: the lateral positioner (4) comprises a main body, a plurality of adjusting screws penetrating through the main body are arranged along the height direction of the main body, and the tail ends of the adjusting screws form positioning contacts.

6. The air to liquid radiator milling machine fixture of claim 1, wherein: the compressing mechanism (5) further comprises a base and an air cylinder, the air cylinder is arranged on the base, one end of a piston rod of the air cylinder is hinged to the pressing plate at a first hinge point, and the base is hinged to the pressing plate at a second hinge point.

7. The air to liquid radiator milling machine fixture of claim 4 or 6, wherein: the device also comprises a pneumatic control mechanism (6), wherein the pneumatic control mechanism (6) is arranged on the bottom plate, and the pneumatic control mechanism (6) comprises a valve and an operating handle for controlling the on-off of air flow.