CN214365581U

CN214365581U - Door hinge device for side-opening vacuum cavity

Info

Publication number: CN214365581U
Application number: CN202022347718.1U
Authority: CN
Inventors: 杨丽媛; 洪婧; 陈军; 雷林光; 谢如应; 赵松清
Original assignee: Hangzhou Dahe Thermo Magnetics Co Ltd
Current assignee: Hangzhou Dahe Thermo Magnetics Co Ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-10-08
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a door hinge device for a side-opening vacuum cavity, which comprises a hinge shaft, an upper fixed pin, a lower fixed pin, an upper mounting block and a lower mounting block; go up the fixed pin and fixed with the chamber door, lower fixed pin is fixed with the chamber door, both ends respectively are equipped with a first pivot about the hinge pin, the hinge pin passes through first pivot and last installation piece and installs the piece rotation with down and be connected, upward be equipped with the second pivot on the fixed pin, upward the fixed pin passes through the second pivot and is connected with the hinge pin rotation, be equipped with the third pivot on the fixed pin down, lower fixed pin passes through the third pivot and is connected with the hinge pin rotation, first pivot and second pivot eccentric settings, the second pivot sets up with the third pivot is coaxial. The utility model provides a hinge device for side vacuum chamber that opens door does not need to adjust the axle center during whole hinge device installation, and the installation is simple, and the angularly adjustable of chamber door, the maintenance cost is low, can increase of service life.

Description

Door hinge device for side-opening vacuum cavity

Technical Field

The utility model belongs to the technical field of hinge structure technique and specifically relates to a hinge device for side vacuum chamber that opens door is related to.

Background

A vacuum cavity with an equal side opening door of a film plating machine needs to convey workpieces from the side opening door, and the work cycle is repeated for many times every day. The vacuum cavity door hinge in the prior art is a single-shaft door hinge structure which is the same as the vacuum cavity door hinge but is independently installed. This technique has the following disadvantages: 1. two groups of hinge shafts are independently installed, and the coaxiality of the upper hinge shaft and the lower hinge shaft is difficult to adjust; 2. when the cavity door is heavy, the upper and lower axes are stressed unevenly, the axes deviate after the cavity door is opened and closed for many times, and the sealing performance of the vacuum cavity is influenced because the cavity door cannot be normally closed; 3. when the cavity door breaks down, the repair is difficult, and the maintenance cost is high. Therefore, a door hinge device for a side-opening vacuum cavity needs to be designed, the installation process can be simplified, the installation is simpler, meanwhile, the stress of the hinge shaft is uniform, the back cavity door can still be normally closed after the door is opened and closed for multiple times, and the sealing performance of the cavity is ensured; the maintenance cost is reduced, and the service life can be prolonged.

Chinese patent application publication No. CN203846910U, published as 24/09.2014, entitled "hinge structure of door of labor-saving vertical vacuum coating machine", discloses a hinge structure of door of labor-saving vertical vacuum coating machine, which comprises more than two sets of hinge units, each hinge unit comprises a door lug, a rotating shaft and a furnace body connecting block for fixing on the door frame of the furnace body, a through hole is vertically arranged on the furnace body connecting block as a rotating shaft hole, one side of the door lug is used for being installed in cooperation with the door, the other side of the door lug is provided with two arms extending transversely, the two arms are provided with vertical open holes, two ends of each open hole are coaxially provided with an enlarged hole, the hinge unit also comprises two ball rotating bearings and two thrust bearings, the two thrust bearings are embedded in the two enlarged holes at the opposite sides of the two arms, the ball rotating bearings are embedded in the two enlarged holes at the opposite sides of the two arms, the furnace body connecting block is positioned between the two arms, and the furnace body connecting block and the furnace door lug are connected together through the rotating shaft. The utility model changes the sliding friction force of the original furnace door switch into the rolling friction force of the bearing, so that the furnace door is opened and closed very laborsavingly. However, the hinge structure still does not solve the above problems.

Disclosure of Invention

The utility model aims to overcome the defects that two groups of hinge shafts of the vacuum cavity with the equal side door of the film plating machine are independently arranged, and the coaxiality of the upper hinge shaft and the lower hinge shaft is difficult to adjust in the prior art; when the cavity door is heavy, the stress of the upper and lower axes is uneven, the axes deviate after the cavity door is opened and closed for many times, and the cavity door cannot be normally closed, so that the sealing performance of the vacuum cavity is influenced; meanwhile, the hinge shaft can rotate relatively, so that the angle of the cavity door can be adjusted, the maintenance cost is low, and the service life can be prolonged.

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

a door hinge device for a side-opening door vacuum cavity comprises a hinge shaft, an upper fixing pin, a lower fixing pin, an upper mounting block and a lower mounting block; the upper mounting block is fixed with the cavity, the lower mounting block is fixed with the cavity, the upper fixing pin is fixed with the cavity door, the lower fixing pin is fixed with the cavity door, the upper end and the lower end of the hinge shaft are respectively provided with a first rotating shaft, the hinge shaft is rotatably connected with the upper mounting block and the lower mounting block through the first rotating shaft, the upper fixing pin is provided with a second rotating shaft, the upper fixing pin is rotatably connected with the hinge shaft through the second rotating shaft, the lower fixing pin is provided with a third rotating shaft, the lower fixing pin is rotatably connected with the hinge shaft through the third rotating shaft, the first rotating shaft and the second rotating shaft are eccentrically arranged, and the second rotating shaft and the third rotating shaft are coaxially arranged.

In the technical scheme, the coaxiality of the second rotating shaft and the third rotating shaft is ensured through the integral hinge shaft, and the coaxiality between the two mounting holes is ensured during the processing of the hinge shaft; the hinge shaft can be simply installed through the hinge shaft and the first rotating shaft between the upper installation block and the lower installation block, the shaft center does not need to be adjusted when the whole hinge device is installed, and the installation is simple. Meanwhile, the hinge shaft can rotate relatively, so that the angle of the cavity door can be adjusted, the maintenance cost is low, and the service life can be prolonged.

Preferably, an adjusting bolt and an adjusting nut are arranged on the side wall of the hinge shaft, the adjusting nut is arranged on the adjusting bolt, one end of the adjusting bolt is in threaded connection with the hinge shaft, and the other end of the adjusting bolt and the adjusting nut clamp the cavity. The adjusting bolt and the adjusting nut can fix the hinge shaft and the cavity body, when the hinge shaft is installed, the closing angle of the cavity door can be adjusted by adjusting the position and the angle of the hinge shaft, the angle can be fixed by the adjusting bolt and the adjusting nut, the opening and closing angle of the cavity door is ensured, the hinge shaft is uniformly stressed, the cavity door can still be normally closed after being opened and closed for many times, and the sealing performance of the cavity body is ensured.

Preferably, three pairs of adjusting bolts and adjusting nuts are arranged on the side wall of the hinge shaft, and the three adjusting bolts are distributed in a triangular mode. The structure can ensure that the fixation of the hinge shaft and the cavity is more reliable, and the angle of the hinge shaft can be adjusted in two directions.

Preferably, the hinge shaft and the first rotating shaft are of an integral structure. The structure can ensure the positional relationship and structural strength between the hinge shaft and the first rotating shaft.

Preferably, a first shaft sleeve for reducing friction is arranged at the joint of the second rotating shaft and the hinge shaft, and a first shaft sleeve for reducing friction is arranged at the joint of the third rotating shaft and the hinge shaft. The first shaft sleeve can play a role in lubricating and reducing friction force and also can play a role in positioning.

Preferably, a thrust ball bearing and a support plate are arranged at the bottom of the third rotating shaft, the support plate is fixed with the hinge shaft, one end of the thrust ball bearing is in contact with one end of the third rotating shaft, and the other end of the thrust ball bearing is in contact with the support plate. The structure can further reduce the frictional resistance.

Preferably, the upper fixing pin is fixed with the cavity door through a positioning pin and a bolt; the lower fixing pin is fixed with the cavity door through a positioning pin and a bolt. The structure can guarantee the position precision and the connection strength between the upper fixing pin and the cavity door and between the lower fixing pin and the cavity door.

Preferably, the upper mounting block is fixed with the cavity through a positioning pin and a bolt; the lower mounting block is fixed with the cavity through a positioning pin and a bolt. The structure can ensure the position precision and the connection strength between the upper mounting block and the cavity and between the lower mounting block and the cavity.

Preferably, a second shaft sleeve for reducing friction is arranged at the joint of the first rotating shaft and the upper mounting block, and a second shaft sleeve for reducing friction is arranged at the joint of the first rotating shaft and the lower mounting block. The second shaft sleeve can play a role in lubrication and a role in a gasket.

The utility model has the advantages that: (1) the installation of the hinge shaft can be simplified, the axis does not need to be adjusted when the whole hinge device is installed, and the installation is simple; (2) the angle of the cavity door is adjustable, the maintenance cost is low, and the service life can be prolonged; (3) the adjusting nut enables the hinge shaft to be stressed uniformly, the rear cavity door can still be normally closed after being opened and closed for many times, and the sealing performance of the cavity is guaranteed.

Drawings

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

fig. 2 is a front view of the present invention;

FIG. 3 is a cross-sectional view taken along line A-A of FIG. 1;

fig. 4 is a sectional view taken along line B-B in fig. 1.

In the figure: hinge pin 1, first pivot 1.1, go up fixed pin 2, second pivot 2.1, lower fixed pin 3, third pivot 3.1, go up installation piece 4, lower installation piece 5, adjusting bolt 6, adjusting nut 7, first axle sleeve 8, thrust ball bearing 9, backup pad 10, second axle sleeve 11.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in the figure, the door hinge device for the side-opening vacuum cavity comprises a hinge shaft 1, an upper fixing pin 2, a lower fixing pin 3, an upper mounting block 4 and a lower mounting block 5; the upper mounting block 4 is fixed with the cavity through a positioning pin and a bolt, the lower mounting block 5 is fixed with the cavity through a positioning pin and a bolt, a second shaft sleeve 11 for reducing friction is arranged at the joint of the first rotating shaft 1.1 and the upper mounting block 4, and the second shaft sleeve 11 for reducing friction is arranged at the joint of the first rotating shaft 1.1 and the lower mounting block 5; the upper fixing pin 2 is fixed with the cavity door through a positioning pin and a bolt, the lower fixing pin 3 is fixed with the cavity door through a positioning pin and a bolt, a first rotating shaft 1.1 is respectively arranged at the upper end and the lower end of the hinge shaft 1, the hinge shaft 1 and the first rotating shaft 1.1 are of an integral structure, the hinge shaft 1 is rotatably connected with an upper mounting block 4 and a lower mounting block 5 through the first rotating shaft 1.1, a second rotating shaft 2.1 is arranged on the upper fixing pin 2, the upper fixing pin 2 is rotatably connected with the hinge shaft 1 through the second rotating shaft 2.1, a third rotating shaft 3.1 is arranged on the lower fixing pin 3, the lower fixing pin 3 is rotatably connected with the hinge shaft 1 through the third rotating shaft 3.1, a first shaft sleeve 8 for reducing friction is arranged at the joint of the second rotating shaft 2.1 and the hinge shaft 1, and a first shaft sleeve 8 for reducing friction is arranged at the joint of the third rotating shaft 3.1 and the hinge shaft 1; the bottom of the third rotating shaft 3.1 is provided with a thrust ball bearing 9 and a support plate 10, and the support plate 10 and the hinge shaft 1 are fixed through bolts; one end of the thrust ball bearing 9 is in contact with one end of the third rotating shaft 3.1, and the other end of the thrust ball bearing 9 is in contact with the support plate 10. The first rotating shaft 1.1 and the second rotating shaft 2.1 are eccentrically arranged, and the second rotating shaft 2.1 and the third rotating shaft 3.1 are coaxially arranged. An adjusting bolt 6 and an adjusting nut 7 are arranged on the side wall of the hinge shaft 1, the adjusting nut 7 is arranged on the adjusting bolt 6, one end of the adjusting bolt 6 is in threaded connection with the hinge shaft 1, and the other end of the adjusting bolt 6 and the adjusting nut 7 clamp the cavity.

In the technical scheme, the coaxiality of the second rotating shaft 2.1 and the third rotating shaft 3.1 is ensured through the integral hinge shaft 1, and the coaxiality between the two mounting holes is ensured when the hinge shaft 1 is processed; the installation of the hinge shaft 1 can be simplified through the first rotating shaft 1.1 between the hinge shaft 1 and the upper installation block 4 and the lower installation block 5, the axis does not need to be adjusted when the whole hinge device is installed, and the installation is simple. Meanwhile, the hinge shaft 1 can rotate relatively, so that the angle of the cavity door can be adjusted, the maintenance cost is low, and the service life can be prolonged. The adjusting bolt 6 and the adjusting nut 7 can enable the hinge shaft 1 and the cavity to be mutually fixed, when the hinge shaft is installed, the closing angle of the cavity door can be adjusted by adjusting the position and the angle of the hinge shaft 1, the angle can be fixed by the adjusting bolt 6 and the adjusting nut 7, the opening and closing angle of the cavity door is guaranteed, the stress of the hinge shaft 1 is even, the cavity door can still be normally closed after being opened and closed for many times, and the sealing performance of the cavity is guaranteed.

Example 2:

as shown in the figure, on the basis of embodiment 1, three pairs of adjusting bolts 6 and adjusting nuts 7 are arranged on the side wall of the hinge shaft 1, and the three adjusting bolts 6 are distributed in a triangular shape. The structure can ensure that the fixation of the hinge shaft 1 and the cavity is more reliable, and simultaneously, the angle of the hinge shaft 1 can be adjusted in two directions.

The utility model has the advantages that: the installation of the hinge shaft can be simplified, the axis does not need to be adjusted when the whole hinge device is installed, and the installation is simple; the angle of the cavity door is adjustable, the maintenance cost is low, and the service life can be prolonged; the adjusting nut enables the hinge shaft to be stressed uniformly, the rear cavity door can still be normally closed after being opened and closed for many times, and the sealing performance of the cavity is guaranteed.

Claims

1. A door hinge device for a side-opening door vacuum cavity is characterized by comprising a hinge shaft, an upper fixing pin, a lower fixing pin, an upper mounting block and a lower mounting block; the upper mounting block is fixed with the cavity, the lower mounting block is fixed with the cavity, the upper fixing pin is fixed with the cavity door, the lower fixing pin is fixed with the cavity door, the upper end and the lower end of the hinge shaft are respectively provided with a first rotating shaft, the hinge shaft is rotatably connected with the upper mounting block and the lower mounting block through the first rotating shaft, the upper fixing pin is provided with a second rotating shaft, the upper fixing pin is rotatably connected with the hinge shaft through the second rotating shaft, the lower fixing pin is provided with a third rotating shaft, the lower fixing pin is rotatably connected with the hinge shaft through the third rotating shaft, the first rotating shaft and the second rotating shaft are eccentrically arranged, and the second rotating shaft and the third rotating shaft are coaxially arranged.

2. The door hinge device for the side-opening door vacuum cavity as claimed in claim 1, wherein an adjusting bolt and an adjusting nut are arranged on a side wall of the hinge shaft, the adjusting nut is arranged on the adjusting bolt, one end of the adjusting bolt is in threaded connection with the hinge shaft, and the other end of the adjusting bolt and the adjusting nut clamp the cavity.

3. The door hinge device for the side-opening door vacuum chamber as claimed in claim 1, wherein three pairs of adjusting bolts and adjusting nuts are arranged on the side wall of the hinge shaft, and the three adjusting bolts are distributed in a triangular shape.

4. The door hinge device for the side-opening door vacuum chamber as claimed in claim 1, 2 or 3, wherein a first bushing for reducing friction is arranged at the joint of the second rotating shaft and the hinge shaft, and a first bushing for reducing friction is arranged at the joint of the third rotating shaft and the hinge shaft.

5. The door hinge device for the side-opening door vacuum chamber as claimed in claim 4, wherein a thrust ball bearing and a support plate are provided at the bottom of the third rotary shaft, the support plate is fixed to the hinge shaft, one end of the thrust ball bearing is in contact with one end of the third rotary shaft, and the other end of the thrust ball bearing is in contact with the support plate.

6. A door hinge device for a side-opening door vacuum chamber according to claim 1, 2 or 3, wherein the upper fixing pin is fixed with the chamber door by a positioning pin and a bolt; the lower fixing pin is fixed with the cavity door through a positioning pin and a bolt.

7. A door hinge device for a side-opening door vacuum chamber according to claim 1, 2 or 3, wherein the upper mounting block is fixed with the chamber through a positioning pin and a bolt; the lower mounting block is fixed with the cavity through a positioning pin and a bolt.

8. A door hinge device for a side-opening door vacuum chamber as claimed in claim 1, 2 or 3, wherein a second bushing for reducing friction is provided at the joint of the first rotating shaft and the upper mounting block, and a second bushing for reducing friction is provided at the joint of the first rotating shaft and the lower mounting block.