Press fitting device for sealing ring installation

Abstract

A press fitting device for sealing ring installation is provided with a station corresponding to sealing ring installation, the station is used for assembling a sealing ring into a final position in an installation groove of an inner container to be installed, the station comprises a positioning part, a first press fitting part and a first driving part, and the press fitting device is characterized in that the positioning part is in a semi-open U shape; comprising an opening allowing a to-be-mounted inner container to be placed therein and an outer edge allowing a third convex edge of the to-be-mounted inner container to be placed thereon, the positioning part is further provided with a semi-open U-shaped caulking groove, and a first convex edge and a second convex edge of the to-be-mounted inner container can be embedded into the open end parts of the two ends of the caulking groove together. Therefore, the liner to be mounted can be put into the positioning part from the opening from front to back. The positioning device solves the positioning problem of the inner container to be mounted, and meanwhile, the workload of workers is relieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a press -fitting device, especially a sealing ring press -fitting device suitable for steam oven. BACKGROUND

[0002] The existing steam oven is installed in the way of embedding into the cabinet, therefore, the inner container assembly 1' of the steam oven generally comprises an inner container 11' with a front opening and a mounting part 12' horizontally extending outward from the periphery of the front opening and in a ring shape, the mounting part 12' is provided with a mounting groove 13' for mounting the sealing ring 2', wherein, as shown in the figure, the inner container assembly 1' of the steam oven is generally produced by taking the inner container 11' and the mounting part 12' as independent parts respectively during the production process, and then connecting the two parts by fasteners, thus, the periphery of the inner container 11' has a first flange 111' bent backward, correspondingly, the mounting part 12' has a second flange 121' bent backward and a third flange 122' located at the periphery of the second flange 121' and arranged in parallel with the second flange 121'. During installation, first, the worker needs to joint the second flange 121' of the mounting part 12' with the first flange 111' of the inner container 11', and then connect the two parts by fasteners; second, joint the third flange 122' with the cabinet by fasteners, and finally complete the installation of the embedded steam oven. Of course, the sealing ring 2' needs to be installed in the mounting groove 13' in advance before being installed in the cabinet. Figure 2

[0003] However, the press -fitting device needs to lift the guide pressure head, place the workpiece on the guide pressure head seat, and then place the sealing ring on the workpiece, so the press -fitting device is only suitable for workpieces with small size. If the assembly to be assembled is the inner container assembly 1' of the steam oven described above, since its size is relatively large, the following assembly problems will occur (for details, please refer to

[0004] However, the press -fitting device needs to lift the guide pressure head, place the workpiece on the guide pressure head seat, and then place the sealing ring on the workpiece, so the press -fitting device is only suitable for workpieces with small size. If the assembly to be assembled is the inner container assembly 1' of the steam oven described above, since its size is relatively large, the following assembly problems will occur (for details, please refer to Figures 1-2 ​), first, the staff need to first raise the inner container assembly 1', its height exceeds the guide pressure head seat, from top to bottom, the inner container assembly 1' is placed on the guide pressure head seat, it is easy to cause the work load of staff to be big, and the stamping head and cylinder above the guide pressure head seat and other components will interfere with the placement of the inner container assembly 1', finally cause the positioning difficulty of the inner container assembly 1';Second, due to the existence of the first convex edge 111' of the inner container 11' and the second convex edge 121' of the mounting portion 12', it becomes a factor that must be considered when positioning;Third, the sealing ring 2' of the steam oven includes four straight line portions 2a' and the curved portion 2b' connected with the four straight line portions 2a', in order to ensure the air tightness of the steam oven, when the sealing ring 2' is designed, the curved portion 2b' is thicker than the straight line portion 2a', the phenomenon of the curved portion 2b' not being installed in place is easy to appear, which causes difficulty in assembling the sealing ring 2';Therefore, when the sealing ring 2' of the steam oven is installed, the pressing device in the prior art needs to be specially improved. Utility model content

[0005] The first technical problem to be solved by the utility model is to provide a pressing device capable of reducing the work load of staff and facilitating the installation of a sealing ring.

[0006] The second technical problem to be solved by the utility model is to provide a pressing device facilitating the installation of the curved portion of a sealing ring.

[0007] The technical scheme adopted by the utility model to solve the first technical problem is as follows: the pressing device for sealing ring installation has a work station corresponding to the installation of a sealing ring, the work station is used for the final position of the assembly of the sealing ring into the mounting groove of the inner container to be installed, and the work station comprises:

[0008] A positioning portion is used for the positioning of the inner container to be installed;

[0009] A first pressing portion is located above the positioning portion;

[0010] A first driving portion is connected with the first pressing portion and can drive the first pressing portion to move between an initial position and a final position to complete the assembly of the sealing ring;

[0011] The utility model is characterized in that:

[0012] The positioning portion is a semi-open U-shaped structure, comprising an opening for the placement of the inner container to be installed and an outer edge for the placement of the third convex edge of the inner container to be installed, and a semi-open U-shaped embedding groove is further arranged on the positioning portion, the first convex edge and the second convex edge of the inner container to be installed can be embedded into the embedding groove together, so that the inner container to be installed can be placed into the positioning portion from the opening.

[0013] In order to facilitate the positioning part to be put into the liner, preferably, the positioning part is limited on the support, the support comprises a mounting table which keeps a preset distance from the ground, the mounting table also presents a semi-open U-shaped corresponding to the positioning part, and the mounting table is provided with a connecting piece connected with the positioning part. The mounting table keeps a preset distance from the ground because the liner to be installed is large in size, and only when there is a certain height between the mounting table and the ground, the installation of the liner to be installed can be avoided from being interfered by the ground.

[0014] In order to facilitate the connection of the mounting table and the positioning part, preferably, the connecting piece comprises a first connecting part for connecting the mounting table and a second connecting part for connecting the positioning part, and the second connecting part has a locally downwardly recessed area relative to the first connecting part. The local sinking of the first connecting part facilitates the installation of the positioning part on the mounting table.

[0015] In order to solve the above-mentioned second technical problem, preferably, the support is further provided with a press-fitting assembly for pre-pressing the curved part of the sealing ring compared with the linear part, the press-fitting assembly is connected to the mounting table by means of a support column, and the support column is arranged at the periphery of the first connecting part. The arrangement of the press-fitting assembly can pre-press the curved part of the sealing ring into the installation groove of the liner to be installed, so as to avoid the phenomenon that the curved part is not installed in place.

[0016] In order to make the press-fitting assembly have the function of pressing the curved part of the sealing ring, preferably, the press-fitting assembly comprises a second press-fitting part and a second driving source, the second driving source is connected with the second press-fitting part and can drive the second press-fitting part to move between an initial position and a final position to complete the assembly action of the curved part of the sealing ring. The second driving source can be selected from a gas cylinder, a motor and the like.

[0017] Since the sealing ring of the steam oven has four curved segments, preferably, the press-fitting assembly is provided with four, and the second press-fitting part of each press-fitting assembly corresponds to one curved part of the sealing ring, and correspondingly, the support column is also provided with four.

[0018] Compared with the prior art, the advantages of the utility model lie in that the positioning part presents a semi-open U-shaped, the liner to be installed can be put into the opening and has a third convex edge resting on the outer edge of the positioning part, the positioning part is provided with a U-shaped embedding groove for the first convex edge and the second convex edge of the liner to be installed to be embedded together, so that the liner to be installed can be put into the positioning part from the opening, the positioning problem of the liner to be installed is solved, and the work load of the staff is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure diagram of the liner assembly and the sealing ring of the steam oven in the background technology of the utility model;

[0020] Figure 2 is another angle view of the inner container assembly of the steam oven in the background art of the present utility model;

[0021] Figure 3 is a structure diagram of the inner container to be assembled and the sealing ring of the steam oven in the embodiment of the present utility model;

[0022] Figure 4 is another angle view of the inner container to be assembled in the embodiment of the present utility model;

[0023] Figure 5 is a structure diagram of the pressing device in the embodiment of the present utility model;

[0024] Figure 6 is a sectional view of the pressing device in the embodiment of the present utility model;

[0025] Figure 7 is a structure diagram of the positioning part in the embodiment of the present utility model;

[0026] Figure 8 is a structure diagram of the connecting part in the embodiment of the present utility model;

[0027] Figure 9 is a structure diagram of the pressing assembly in the embodiment of the present utility model. DETAILED DESCRIPTION

[0028] The present utility model will be further described in detail in combination with the embodiment of the drawings.

[0029] As shown in the drawings, Figures 3-9 the pressing device of the present embodiment has a working position 1 corresponding to the installation of the sealing ring B, which is used to assemble the sealing ring B into the final position in the installation groove of the inner container A to be assembled. In the present embodiment, the inner container A to be assembled adopts the inner container assembly in the background art, as shown in the drawings, Figures 3-4 which includes an inner container 11' with a front opening and an installation part 12' horizontally extending outward from the periphery of the front opening and in a ring shape, and the installation part 12' is provided with an installation groove 13' for installing the sealing ring B, wherein the periphery of the inner container 11' has a first convex edge 111' bent backward, which is denoted as A1 in the present embodiment, and correspondingly, the installation part 12' has a second convex edge 121' also bent backward and a third convex edge 122' located at the periphery of the second convex edge 121' and arranged in parallel therewith, which are denoted as A2 and A3 respectively in the present embodiment.

[0030] Referring to Figures 5-6, the station 1 comprises a positioning part 11 for positioning the inner container A to be assembled, a first pressing part 12 above the positioning part 11 and a first driving part 13 connected with the first pressing part 12, the first driving part 13 can drive the first pressing part 12 to move between an initial position and a final position to complete the assembly of the sealing ring B, in the embodiment, the first driving source is a pneumatic cylinder. As shown in Figure 7 , the positioning part 11 is a semi-open U-shaped structure, comprising an opening 111 for placing the inner container A to be assembled and an outer edge 112 for placing the third flange A3 of the inner container A to be assembled, and a slot 113 also in a semi-open U-shaped structure is arranged on the positioning part 11, the open ends of the slot 113 can accommodate the first flange A1 and the second flange A2 of the inner container A to be assembled, so that the inner container A to be assembled can be placed from the front into the positioning part 11 from the opening 111. Since the size of the inner container A to be assembled is large, the positioning part 11 is limited on the support 2, the support 2 comprises a mounting table 21 which is kept at a predetermined distance from the ground, which can avoid the interference of the ground to the installation of the inner container A to be assembled, and the mounting table 21 also has a semi-open U-shaped structure corresponding to the positioning part 11, and a connecting part 22 is arranged on the mounting table 21 to connect the positioning part 11, the structure of the connecting part 22 is shown in Figure 8 , comprising a first connecting part 22a for connecting the mounting table 21 and a second connecting part 22b for connecting the positioning part 11, the second connecting part 22b has a local downwardly recessed area relative to the first connecting part 22a.

[0031] In addition, since the curved part B1 of the sealing ring B is thicker than the straight part B2, in order to avoid the phenomenon that the curved part B1 is not installed in place, the support 2 is also provided with a pressing assembly 3 for pre-pressing the curved part B1 of the sealing ring B compared with the straight part B2, the pressing assembly 3 is connected to the mounting table 21 by means of a support column 4, and the support column 4 is arranged on the periphery of the first connecting part 22a. Specifically, as shown in Figure 9 , the pressing assembly 3 comprises a second pressing part 31 and a second driving source 32, the second driving source 32 is connected with the second pressing part 31 and can drive the second pressing part 31 to move between an initial position and a final position to complete the assembly of the curved part B1 of the sealing ring B, in the embodiment, the second driving source 32 is a pneumatic cylinder. Since the sealing ring B of the steam oven has four curved segments, the pressing assembly 3 is provided with four, and the second pressing part 31 of each pressing assembly 3 corresponds to one curved part B1 of the sealing ring B, correspondingly, the support column 4 is also provided with four.

[0032] In summary, the assembly process of the pressing device of the embodiment is as follows:

[0033] a. Put the to-be-assembled liner A from the front to the rear into the positioning part 11 from the opening 111, and put the third flange A3 of the to-be-assembled liner A on the outer edge 112 of the positioning part 11, and embed the first flange A1 and the second flange A2 into the open end of the embedding groove 113 at both ends;

[0034] b. Start the device, and the second driving source 32 of the assembly 3 drives the second pressing part 31 to move to the final position and press the bent part B1 of the sealing ring B into the mounting groove of the to-be-assembled liner A;

[0035] c. After the bent part B1 of the sealing ring B is pressed into the mounting groove of the to-be-assembled liner A, the second driving source 32 drives the second pressing part 31 to move back to the initial position;

[0036] d. The first driving part 13 drives the first pressing part 12 to move to the final position and assemble the sealing ring B into the mounting groove of the to-be-assembled liner A;

[0037] e. After the sealing ring B is assembled into the mounting groove of the to-be-assembled liner A, the first driving part 13 drives the first pressing part 12 to move back to the initial position.

Claims

1. A press-fitting device for sealing ring installation, having a work station (1) corresponding to the installation of a sealing ring (B), the work station (1) being used to fit the sealing ring (B) into a final position in the installation groove of a to-be-installed liner (A), the work station (1) comprising: a positioning portion (11) for positioning the to-be-installed liner (A); a first press-fitting portion (12) above the positioning portion (11); a first driving portion (13) connected with the first press-fitting portion (12) and capable of moving the first press-fitting portion (12) between an initial position and a final position to complete the fitting action of the sealing ring (B); characterized in that: the positioning portion (11) is in a semi-open U shape, comprising an opening (111) for placing the to-be-installed liner (A) therein and an outer edge (112) for placing a third flange (A3) of the to-be-installed liner (A) thereon, and further comprising an embedding groove (113) also in a semi-open U shape, the embedding groove (113) having open ends at both ends for embedding a first flange (A1) and a second flange (A2) of the to-be-installed liner (A) therein together, so that the to-be-installed liner (A) can be placed into the positioning portion (11) from the opening (111) from front to back.

2. The press device of claim 1, wherein: the positioning portion (11) is limited on a support (2), the support (2) comprising a mounting table (21) having a predetermined distance from the ground, the mounting table (21) also being in a semi-open U shape corresponding to the positioning portion (11), and the mounting table (21) being provided with a connecting member (22) connected with the positioning portion (11).

3. The press device of claim 2, wherein: the connecting member (22) comprises a first connecting portion (22a) for connecting the mounting table (21) and a second connecting portion (22b) for connecting the positioning portion (11), the second connecting portion (22b) having a locally downwardly recessed area relative to the first connecting portion (22a).

4. Pressing device according to claim 2 or 3, characterized in that: the support (2) is further provided with a press-fitting assembly (3) for pre-pressing the curved portion (B1) of the sealing ring (B) compared with the linear portion (B2), the press-fitting assembly (3) being connected to the mounting table (21) by means of a support column (4), and the support column (4) being provided at the periphery of the first connecting portion (22a).

5. The press device of claim 4, wherein: the press-fitting assembly (3) comprises a second press-fitting portion (31) and a second driving source (32), the second driving source (32) being connected with the second press-fitting portion (31) and capable of moving the second press-fitting portion (31) between an initial position and a final position to complete the fitting action of the curved portion (B1) of the sealing ring (B).

6. The press device of claim 5, wherein: four press-fitting assemblies (3) are provided, and the second press-fitting portion (31) of each press-fitting assembly (3) corresponds to one curved portion (B1) of the sealing ring (B), and correspondingly, the support column (4) is also provided with four support columns.

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