Screw tightening device for home appliance assembly

Abstract

The utility model discloses a screw tightening device for home appliance assembly, which comprises a tightening electric drill, one side of the tightening electric drill is provided with a rotating head, one side of the rotating head is provided with two end part fixing plates through a movable compression assembly, a same rotating shaft is fixedly arranged between the two end part fixing plates, the rotating shaft is rotatably sleeved with a rotating ring, and the rotating ring is fixedly connected with the rotating head. According to the screw tightening device for assembling the household appliances, the multiple connecting columns are arranged on one side of the rotating head on the tightening electric drill, the multiple connecting columns are installed on the multiple connecting columns through the installation assemblies, and the multiple connecting columns are fixedly installed on the outer side of the rotating ring, and screw adapters are installed at the ends of the connecting columns through the installation assemblies. The shape of the adaptive screw on each screw adaptive head is different, so that different types of screws can be adapted to be tightened, and the problem that the screw adaptive heads need to be frequently replaced in the tightening process of different screws can be effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of household appliance assembly, in particular to a screw tightening device for household appliance assembly. Background Art

[0002] Household appliances mainly refer to various electrical and electronic appliances used in homes and similar places. They are also called civil appliances and daily appliances. Household appliances free people from heavy, trivial and time-consuming housework, and create a more comfortable, beautiful and healthy living and working environment for humans. Therefore, commonly used washing machines belong to commonly used household appliances. In the production process of washing machines and other household appliances, many parts need to be assembled and connected and fixed by screws.

[0003] After searching, the patent with application number CN202321808153.X discloses an automatic screw tightening machine. During the assembly process of household appliances, different screws are used to connect components. Some screws are flat-headed, some are plum-headed, and some are hexagonal. Traditional screw tightening equipment is only equipped with one screw tightening head. When screws of other specifications need to be tightened, it takes a lot of time to replace the tightening head, which is time-consuming. The screw head is easily lost due to repeated replacement. Therefore, a screw tightening device for household appliance assembly is proposed. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a screw tightening device for assembling household appliances, which is used to solve the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A screw tightening device for assembling household appliances comprises a tightening electric drill, a rotating head is provided on one side of the tightening electric drill, two end fixing plates are installed on one side of the rotating head through a movable compression assembly, a same rotating shaft is fixedly installed between the two end fixing plates, a rotating ring is rotatably sleeved on the rotating shaft, a plurality of connecting columns are fixedly installed on the outer side of the rotating ring, screw adapter heads are installed on the ends of the connecting columns through an installation assembly, a sleeve blocking assembly is installed on one side of the rotating head, and the sleeve blocking assembly is adapted to both the connecting column and the screw adapter head.

[0007] Preferably, the movable compression assembly includes a pressing groove opened on the end fixing plate, a pressing rod is fixedly installed on one side of the rotating head, one end of the pressing rod extends into the pressing groove and is fixedly installed with an extrusion plate.

[0008] Preferably, one end of a return spring is fixedly mounted on one side of the extrusion plate, and the other end of the return spring is fixedly mounted on an inner wall of one side of the pressing groove.

[0009] Preferably, the installation assembly includes a threaded connection groove opened at the end of the connection column, and a threaded connection head is provided on one side of the screw adapter head, and the threaded connection head is threadedly installed in the threaded connection groove.

[0010] Preferably, the socket blocking assembly includes a positioning column fixedly mounted on one side of the rotating head, a blocking groove is opened on one side of the positioning column, the blocking groove is adapted to the threaded connector and the connecting column, a magnetic block is installed on the inner wall of one side of the blocking groove, and the magnetic block is adapted to the screw adapter head.

[0011] Preferably, a plurality of side positioning grooves are provided on the inner wall of the blocking groove, a plurality of side positioning blocks are fixedly installed on the outer side of the connecting column, the plurality of side positioning blocks are respectively adapted to the plurality of side positioning grooves, and an arc-shaped notch is provided on one side of the side positioning groove and the blocking groove.

[0012] Preferably, there are four connecting columns, which are arranged in a circular array and installed on the rotating ring.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the screw tightening device for household appliance assembly has a plurality of connecting columns on one side of the rotating head on the tightening electric drill, and screw adapters are installed on the plurality of connecting columns through the mounting assembly, and the shapes of the adapter screws on each screw adapter are different, so that different types of screws can be adapted for tightening, and the problem of frequently replacing the screw adapters during the tightening of different screws can be effectively solved;

[0014] When the screw needs to be tightened, rotate the appropriate screw adapter and align it with the screw and operate with the telescopic cylinder, which will squeeze and tighten the electric drill. Under the action of pressure, the connecting column and the screw adapter at the rear will enter the blocking groove for clamping and positioning. After pressing and aligning, tighten the electric drill and the screw can be tightened. Tightening is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model in cross section;

[0017] Figure 3 It is a schematic diagram of the structure of the utility model in partial section;

[0018] Figure 4 It is a schematic diagram of a partially exploded structure of the utility model;

[0019] Figure 5 It is a partial three-dimensional structural schematic diagram of the utility model.

[0020] In the figure: 1. Tighten the electric drill; 2. End fixing plate; 3. Pressing groove; 4. Pressing rod; 5. Extrusion plate; 6. Reset spring; 7. Rotating shaft; 8. Rotating ring; 9. Connecting column; 10. Threaded connecting groove; 11. Screw adapter head; 12. Threaded connecting head; 13. Side positioning block; 14. Positioning column; 15. Blocking groove; 16. Side positioning groove; 17. Arc notch; 18. Magnetic block; 19. Rotating head; 20. Equipment bracket. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Example: Refer to Figure 1-5 A screw tightening device for assembling household appliances, comprising a tightening electric drill 1, a rotating head 19 is provided on one side of the tightening electric drill 1, two end fixing plates 2 are installed on one side of the rotating head 19 through a mobile compression assembly, a same rotating shaft 7 is fixedly installed between the two end fixing plates 2, a rotating ring 8 is rotatably sleeved on the rotating shaft 7, a plurality of connecting columns 9 are fixedly installed on the outer side of the rotating ring 8, the mobile compression assembly comprises a pressing groove 3 opened on the end fixing plate 2, a pressing rod 4 is fixedly installed on one side of the rotating head 19, one end of the pressing rod 4 extends into the pressing groove 3 and is fixedly installed with an extrusion plate 5, one end of a return spring 6 is fixedly installed on one side of the extrusion plate 5, and the other end of the return spring 6 is fixedly installed on one side of the inner wall of the pressing groove 3, and the device The movable compression component is arranged, and the pressing rod 4 on the movable compression component will move in the pressing groove 3 and compress the reset spring 6 to provide a pressing and moving space. After the pressing is aligned, the electric drill 1 is tightened to run, and the screw can be tightened, and the tightening is relatively convenient. The magnetic suction block 18 is arranged. When the screw adapter head 11 is rotated to the rear position, the magnetic suction block 18 has a certain magnetic suction force, and the screw adapter head 11 will not move easily, so that it can better enter the blocking groove 15. When the tightening is completed, under the pushing force of the reset spring 6, the pushing force of the reset spring 6 is greater than the magnetic suction force of the magnetic suction block 18, and the screw adapter head 11 will be separated from the blocking groove 15, so as to facilitate the continued rotation of different screw adapter heads 11 for tightening work.

[0023] Specifically, a screw adapter 11 is installed at the end of the connecting column 9 through an installation component, and the installation component includes a threaded connection groove 10 opened at the end of the connecting column 9, and a threaded connection head 12 is provided on one side of the screw adapter 11, and the threaded connection head 12 is threadedly installed in the threaded connection groove 10. The installation component is arranged to facilitate the rapid replacement of a damaged screw adapter 11, or the reinstallation of a different screw adapter 11, and a sleeve blocking component is installed on one side of the rotating head 19, and the sleeve blocking component is adapted to both the connecting column 9 and the screw adapter 11. A plurality of connecting columns 9 are provided on one side of the rotating head 19 on the tightening electric drill 1, and screw adapters 11 are installed on the plurality of connecting columns 9 through the installation component, and the shape of the adapting screws on each screw adapter 11 is different, so that different types of screws can be adapted for tightening, and the problem of frequent replacement of the screw adapter 11 during the tightening of different screws can be effectively solved.

[0024] Specifically, the sleeve blocking assembly includes a positioning column 14 fixedly mounted on one side of the rotating head 19, a blocking groove 15 is opened on one side of the positioning column 14, the blocking groove 15 is adapted to the threaded connector 12 and the connecting column 9, a magnetic block 18 is installed on the inner wall of one side of the blocking groove 15, and the magnetic block 18 is adapted to the screw adapter 11. When the screw needs to be tightened, the appropriate screw adapter 11 is rotated, and then the screw adapter 11 is aligned with the screw to cooperate with the telescopic cylinder to squeeze and tighten the electric drill 1, and under the effect of pressure pushing The rear connecting column 9 and the screw adapter head 11 will enter the blocking groove 15 for clamping and positioning, and the rotating ring 8 will not rotate. A plurality of side positioning grooves 16 are provided on the inner wall of the blocking groove 15, and a plurality of side positioning blocks 13 are fixedly installed on the outer side of the connecting column 9. The plurality of side positioning blocks 13 are respectively matched with the plurality of side positioning grooves 16. An arc-shaped notch 17 is provided on one side of the side positioning groove 16 and the blocking groove 15. The side positioning grooves 16 and the side positioning blocks 13 can realize precise positioning of the position.

[0025] Specifically, four connecting columns 9 are provided and are installed in a circular array on the rotating ring 8. By providing four, the screw adapter head 11 located at the front can be in the same axial position as the rotating head 19. The number of connecting columns 9 can be two or eight, and four is the best.

[0026] During use: During the assembly of household appliances, screws are required to tighten and fix various components, which are tightened by tightening the electric drill 1. Two end fixing plates 2 are provided on one side of the rotating head 19 of the tightening electric drill 1. Multiple connecting columns 9 are rotatably installed on the two end fixing plates 2. Screw adapter heads 11 are installed on the multiple connecting columns 9 through mounting components. The shapes of the adapting screws on each screw adapter head 11 are different, and different types of screws can be adapted for tightening. This can effectively solve the problem of frequent replacement of screw adapter heads 11 during the tightening of different screws. When the screw needs to be tightened, the appropriate screw adapter head 11 is rotated, and then the screw adapter head 11 is aligned with the screw to cooperate with the telescopic cylinder to squeeze and tighten the electric drill 1. Under the action of pressure, the rear connecting column 9 and the screw adapter are The head 11 will enter the blocking groove 15 for clamping and positioning, and the rotating ring 8 will not rotate. A moving compression component is set, and the pressing rod 4 on the moving compression component will move in the pressing groove 3 and compress the reset spring 6. After pressing and aligning, tighten the electric drill 1 to run, and the screw can be tightened, and the tightening is more convenient. The magnetic block 18 is set. When the screw adapter head 11 is rotated to the rear position, the magnetic block 18 will have a certain magnetic attraction force, and the screw adapter head 11 will not move easily, so that it can better enter the blocking groove 15. When the tightening is completed, under the pushing force of the reset spring 6, the pushing force of the reset spring 6 is greater than the magnetic attraction force of the magnetic block 18, and the screw adapter head 11 will be separated from the blocking groove 15, so that it is convenient to continue to rotate different screw adapter heads 11 for tightening work, which is easy to use.

[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screw tightening device for assembling household appliances, comprising a tightening electric drill (1) and an equipment support (20), wherein the equipment support (20) is provided with a telescopic cylinder, the tightening electric drill (1) is mounted on the equipment support (20) and connected to the telescopic cylinder, and is characterized in that: A rotating head (19) is provided on one side of the tightening electric drill (1). Two end fixing plates (2) are installed on one side of the rotating head (19) through a movable compression assembly. A same rotating shaft (7) is fixedly installed between the two end fixing plates (2). A rotating ring (8) is rotatably sleeved on the rotating shaft (7). A plurality of connecting columns (9) are fixedly installed on the outer side of the rotating ring (8). A screw adapter head (11) is installed on the end of the connecting column (9) through an installation assembly. A sleeve blocking assembly is installed on one side of the rotating head (19). The sleeve blocking assembly is compatible with both the connecting column (9) and the screw adapter head (11).

2. A screw tightening device for household appliance assembly according to claim 1, characterized in that: The movable compression assembly comprises a pressing groove (3) formed on an end fixing plate (2); a pressing rod (4) is fixedly mounted on one side of the rotating head (19); one end of the pressing rod (4) extends into the pressing groove (3) and is fixedly mounted with an extrusion plate (5).

3. A screw tightening device for household appliance assembly according to claim 2, characterized in that: One end of a return spring (6) is fixedly mounted on one side of the extrusion plate (5), and the other end of the return spring (6) is fixedly mounted on an inner wall of one side of the pressing groove (3).

4. A screw tightening device for household appliance assembly according to claim 1, characterized in that: The installation assembly comprises a threaded connection groove (10) provided at the end of the connection column (9), a threaded connection head (12) is provided on one side of the screw adapter head (11), and the threaded connection head (12) is threadedly installed in the threaded connection groove (10).

5. A screw tightening device for household appliance assembly according to claim 1, characterized in that: The sleeve blocking assembly comprises a positioning column (14) fixedly mounted on one side of a rotating head (19); a blocking groove (15) is provided on one side of the positioning column (14); the blocking groove (15) is adapted to the threaded connector (12) and the connecting column (9); a magnetic block (18) is mounted on an inner wall of one side of the blocking groove (15); the magnetic block (18) is adapted to the screw adapter head (11).

6. A screw tightening device for household appliance assembly according to claim 5, characterized in that: A plurality of side positioning grooves (16) are provided on the inner wall of the blocking groove (15); a plurality of side positioning blocks (13) are fixedly mounted on the outer side of the connecting column (9); the plurality of side positioning blocks (13) are respectively matched with the plurality of side positioning grooves (16); and an arc-shaped notch (17) is provided on one side of the side positioning groove (16) and the blocking groove (15).

7. A screw tightening device for household appliance assembly according to claim 1, characterized in that: The connecting posts (9) are provided in four numbers and are arranged in a circular array and mounted on the rotating ring (8).

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