CN220659856U - Screw tightening device capable of working at multiple stations - Google Patents

Abstract

The utility model discloses a screw tightening device capable of working at multiple stations, which relates to the technical field of screw tightening devices and comprises a support column and an elastic ring, wherein a spring rope is fixedly connected to the outer surface of the support column, one end, away from the support column, of the spring rope is fixedly connected with a shell, a power mechanism is arranged in the shell, a screwdriver bit is arranged below the power mechanism, and a rebound mechanism is arranged above the elastic ring. The utility model has reasonable design structure, and can lead the elastic ring to be in full contact with the surface of an object by arranging the screw hole in the center of the elastic ring and pressing downwards, thereby leading the shell to be vertical to the surface of the object, leading the screw to vertically enter the screw hole, achieving the effect of preventing the screw from inclining in the screw hole, and solving the problems that the screw is easy to screw down and the fixing effect is poor because the technology of each worker is different and the screw is easy to incline when being put in the screw hole.

Description

Screw tightening device capable of working at multiple stations

Technical Field

The utility model relates to the technical field of screw tightening devices, in particular to a screw tightening device capable of working at multiple stations.

Background

In the mechanical manufacturing process, most parts are required to be fixed by screws, the traditional screwing mode is to screw by a manual screwdriver, but the manual screwing mode is low in efficiency and laborious, the screwing method is mostly abandoned in the streamline production process, and in order to improve the screwing speed and quality, an electric screwdriver, namely an electric hand drill is used for screwing the screws at present.

The existing electric screw driver is generally composed of a motor and a screw driver bit, the screw driver bit is driven to rotate through the motor, screws are screwed, but due to the fact that the technology of each worker is different, the screws are easy to incline when placed in screw holes, the screws are easy to screw out, the fixing effect is poor, and therefore the screw driver device capable of working at multiple stations is provided to solve the problems.

Disclosure of Invention

First) solving the technical problems

The utility model aims to make up the defects of the prior art and provides a screw tightening device capable of working at multiple stations.

Two) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: a multi-station operable screw-down device comprising: the outer surface of the support column is fixedly connected with a spring rope, one end, far away from the support column, of the spring rope is fixedly connected with a shell, a power mechanism is arranged in the shell, and a screwdriver bit is arranged below the power mechanism; the elastic ring, the top of elastic ring is provided with the rebound mechanism, the surface of rebound mechanism is provided with the slip ring, the inner wall and the shell sliding connection of slip ring, the surface of shell is provided with stop gear, the spout has been seted up to the inner wall of slip ring.

Further, the power mechanism comprises a motor, the outer surface of the motor is fixedly connected with the shell, and the output end of the motor is fixedly connected with a rotating shaft.

Further, the inner wall of the rotating shaft is in sliding connection with the screwdriver head, and the outer surface of the screwdriver head is connected with the shell sliding ring.

Further, the rebound mechanism comprises a fixed rod, the lower surface of the fixed rod is fixedly connected with the elastic ring, and the outer surface of the fixed rod is in sliding connection with the sliding ring.

Further, the outer surface of the fixed rod is sleeved with a spiral spring, one end of the spiral spring is fixedly connected with the elastic ring, and the other end of the spiral spring is fixedly connected with the sliding ring.

Further, the limiting mechanism comprises a fixed plate, one side surface of the fixed plate is fixedly connected with the shell, and the outer surface of the shell is fixedly connected with a long plate.

Further, the surface fixedly connected with of support column places the case, the inner wall of placing the case is provided with one deck lag.

Third), beneficial effects:

compared with the prior art, the screw tightening device capable of working at multiple stations has the following beneficial effects:

according to the utility model, the screw hole is arranged in the center of the elastic ring and is pressed downwards, so that the elastic ring is in full contact with the surface of an object, the shell is vertical to the surface of the object, the screw is vertically inserted into the screw hole, and then the screw is screwed into the screw hole, so that the effect of preventing the screw from inclining in the screw hole is achieved, and the problems that the screw is easy to incline when being put into the screw hole, the screw is not screwed to the bottom and the fixing effect is poor due to the technical difference of each worker are solved.

According to the utility model, the sliding ring is rotated to enable the long plate to be just above the sliding groove, the sliding ring is upwards slid on the shell, and the elastic ring is enabled to move to the position above the lower end of the screwdriver bit, so that the operation space around the screwdriver bit is increased, the screwdriver bit is convenient to replace, and the effect of conveniently replacing the screwdriver bit is achieved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

fig. 2 is a schematic perspective view of the housing 3 according to the present utility model;

FIG. 3 is a cross-sectional view of a side view of the housing 3 of the present utility model;

FIG. 4 is a schematic perspective view of a limiting mechanism according to the present utility model;

FIG. 5 is a schematic perspective view of a rebound mechanism according to the present utility model;

fig. 6 is a cross-sectional view of a front view of a slip ring in accordance with the present utility model.

In the figure: 1. a support column; 2. a spring cord; 3. a housing; 4. a power mechanism; 401. a motor; 402. a rotating shaft; 5. a screwdriver bit; 6. an elastic ring; 7. a rebound mechanism; 701. a fixed rod; 702. a coil spring; 8. a slip ring; 9. a limiting mechanism; 901. a fixing plate; 902. a long plate; 10. a chute; 11. and placing the box.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-6, the present utility model provides a technical solution: the utility model provides a screw tightening device that can multistation work, includes support column 1, elasticity ring 6, and the surface fixedly connected with spring rope 2 of support column 1, the one end fixedly connected with shell 3 that support column 1 was kept away from to spring rope 2, can set up a plurality of spring ropes 2 according to how much of station on the support column 1, all is provided with a shell 3 on every spring rope 2, and spring rope 2 can lengthen and compress, makes things convenient for the workman to use and accomodate.

The inside of shell 3 is provided with power unit 4, every shell 3 all is provided with a power unit 4, the below of power unit 4 is provided with screwdriver head 5, the bottom of screwdriver head 5 is provided with magnet, can hold the screw, power unit 4 includes motor 401, the surface and the shell 3 fixed connection of motor 401, the output fixedly connected with pivot 402 of motor 401, the inner wall and the screwdriver head 5 sliding connection of pivot 402, the surface and the shell 3 sliding connection of screwdriver head 5, screwdriver head 5 and pivot 402 junction are provided with the fixture block, can drive screwdriver head 5 synchronous rotation when pivot 402 rotates, screwdriver head 5 and pivot 402 can separate, be used for changing screwdriver head 5 of different models, the quantity of screwdriver head 5 is the same with the quantity of shell 3.

The top of elastic ring 6 is provided with resilient mechanism 7, resilient mechanism 7's surface is provided with slip ring 8, resilient mechanism 7 includes dead lever 701, dead lever 701's lower surface and elastic ring 6 fixed connection, the surface and the slip ring 8 sliding connection of dead lever 701, coil spring 702 has been cup jointed to the surface of dead lever 701, coil spring 702's one end and elastic ring 6 fixed connection, coil spring 702's the other end and slip ring 8 fixed connection, the inner wall and the shell 3 sliding connection of slip ring 8, all be provided with an elastic ring 6 and three resilient mechanism 7 and a slip ring 8 on every shell 3, three resilient mechanism 7 distributes with the centre of a circle of elastic ring 6 as the center, angle between every two resilient mechanism 7 is 120 degrees, the position of screwdriver bit 5 just in the center of elastic ring 6.

The surface of shell 3 is provided with stop gear 9, all be provided with three stop gear 9 on every shell 3, the equidistant distribution of three stop gear 9 is on shell 3, the angle between every two stop gear 9 is 120 degrees, stop gear 9 includes fixed plate 901, a side and shell 3 fixed connection of fixed plate 901, the surface fixedly connected with longeron 902 of shell 3, spout 10 has been seted up to the inner wall of slip ring 8, the horizontal section of fixed plate 901 and longeron 902 is all slightly less than the horizontal section of spout 10, fixed plate 901 and longeron 902 all can slide in spout 10's inside, the surface fixedly connected with of support column 1 places case 11, place the inner wall of case 11 and be provided with the one deck lag, place the quantity of case 11 and the quantity of shell 3 the same, after the use, can put the inside of placing case 11 with shell 3, in order to prevent that the workman bumps by mistake and leads to the damage.

Working principle: when the screw is driven, firstly, the screw is placed at the bottom of the screw driver head 5, the shell 3 is grasped, the elastic ring 6 is placed above the screw hole, the screw hole is positioned at the center of the elastic ring 6, the elastic ring 6 compresses the spiral spring 702 to move, if the shell 3 is inclined, the elastic ring 6 cannot be fully contacted with the surface of an object, the inclination of the shell 3 is adjusted, the elastic ring 6 is fully contacted with the surface of the object, so that the shell 3 is perpendicular to the surface of the object, the screw vertically enters the screw hole, the switch is pressed, the motor 401 drives the rotating shaft 402 to rotate, and the screw 402 rotates through the screw driver head 5, so that the screw is screwed into the screw hole, and the effect of preventing the screw from inclining in the screw hole is achieved.

When the screwdriver heads 5 with different models need to be replaced, the sliding ring 8 can be rotated, the long plate 902 is just positioned above the sliding groove 10, the sliding ring 8 slides upwards on the shell 3, the sliding ring 8 drives the elastic ring 6 to move upwards through the fixing rod 701, the elastic ring 6 moves to the upper part of the lower end of the screwdriver head 5, so that the operation space around the screwdriver head 5 is enlarged, the screwdriver head 5 is pulled out, a new screwdriver head 5 is replaced, and then the sliding ring 8 is reset and is continuously used.

The sliding ring 8 is reversely rotated, so that the fixing plate 901 is just positioned below the sliding groove 10, the sliding ring 8 is downwards slid, the sliding ring 8 can be separated from the shell 3, and damaged parts can be conveniently replaced or cleaned.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "fixedly attached," "mounted," "connected," and "coupled" are to be construed broadly, e.g., as a fixed connection, as a removable connection, or as an integral connection; "coupled" may be either mechanical or electrical; the "connection" may be direct, indirect via an intermediary, or communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A multi-station operable screw-down device comprising: the novel screw driver comprises a support column (1), wherein a spring rope (2) is fixedly connected to the outer surface of the support column (1), a shell (3) is fixedly connected to one end, away from the support column (1), of the spring rope (2), a power mechanism (4) is arranged in the shell (3), and a screw driver head (5) is arranged below the power mechanism (4); the elastic ring (6), the top of elastic ring (6) is provided with resilience mechanism (7), the surface of resilience mechanism (7) is provided with slip ring (8), the inner wall and the shell (3) sliding connection of slip ring (8), the surface of shell (3) is provided with stop gear (9), spout (10) have been seted up to the inner wall of slip ring (8).

2. A multi-station operable screw-down device as defined in claim 1, wherein: the power mechanism (4) comprises a motor (401), the outer surface of the motor (401) is fixedly connected with the shell (3), and the output end of the motor (401) is fixedly connected with a rotating shaft (402).

3. A multi-station operable screw-down device as defined in claim 2, wherein: the inner wall of the rotating shaft (402) is in sliding connection with the screwdriver head (5), and the outer surface of the screwdriver head (5) is in sliding connection with the shell (3).

4. A multi-station operable screw-down device as defined in claim 1, wherein: the rebound mechanism (7) comprises a fixed rod (701), the lower surface of the fixed rod (701) is fixedly connected with the elastic ring (6), and the outer surface of the fixed rod (701) is in sliding connection with the sliding ring (8).

5. A multi-station operable screw-down device as defined in claim 4, wherein: the outer surface of the fixed rod (701) is sleeved with a spiral spring (702), one end of the spiral spring (702) is fixedly connected with the elastic ring (6), and the other end of the spiral spring (702) is fixedly connected with the sliding ring (8).

6. A multi-station operable screw-down device as defined in claim 1, wherein: the limiting mechanism (9) comprises a fixing plate (901), one side surface of the fixing plate (901) is fixedly connected with the shell (3), and the outer surface of the shell (3) is fixedly connected with a long plate (902).

7. A multi-station operable screw-down device as defined in claim 1, wherein: the outer surface fixedly connected with of support column (1) places case (11), the inner wall of placing case (11) is provided with one deck lag.