CN220218362U

CN220218362U - Nut tightening device

Info

Publication number: CN220218362U
Application number: CN202321967866.0U
Authority: CN
Inventors: 陈爱光; 陈爱辉; 陈佳佳
Original assignee: Zhejiang Xianchuang Auto Parts Co ltd
Current assignee: Zhejiang Xianchuang Auto Parts Co ltd
Priority date: 2023-07-25
Filing date: 2023-07-25
Publication date: 2023-12-22
Anticipated expiration: 2033-07-25

Abstract

The utility model discloses a nut tightening device which comprises two support rods and a sleeve, wherein the two support rods are symmetrically arranged, the upper ends of the two support rods are detachably connected to the two ends of the sleeve respectively, the top of the sleeve is fixedly connected with a handle through a connecting rod, the inner side of the middle of the support rod is fixedly connected with a positioning box, the top of the positioning box is provided with a first motor, a turntable is arranged in the positioning box, a tightening device is arranged on the turntable, an output shaft at the lower end of the first motor is connected with the tightening device, the inner side of the bottom end of the support rod is fixedly connected with a fixed block, and the fixed block is matched with the tightening device. Compared with the prior art, the utility model has the advantages that: the efficiency of the procedure is screwed up to a certain extent to ring flange nut, has improved synchronous degree and the precision that a plurality of nuts were screwed up simultaneously.

Description

Nut tightening device

Technical Field

The utility model relates to the field of machine manufacturing, in particular to a nut tightening device.

Background

When a plurality of nuts are required to be repeatedly screwed in the practical situation, manual repeated operation is required to be carried out one by one under the common condition, the process is tedious and repeated, and the process is long. Not only is the efficiency low, but also the bolt is broken or loosened possibly due to uneven stress, thereby influencing the service life of the part.

The nut tightening device in the prior art also depends on manual hand feeling control, so that the nut tightening degree at the diagonal position is inconsistent, and the practical effect of the part is affected.

The prior patent with publication number CN211916665U discloses a nut tightening device, which can tighten nuts at high positions, but has the defects of excessively large volume, insufficient convenience, excessively large requirements on sites and limited use occasions.

Disclosure of Invention

The utility model aims to overcome the technical defects, and provides the nut tightening device, which improves the tightening efficiency and reduces the labor cost.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows: the utility model provides a nut tightening device, includes bracing piece and sleeve, bracing piece symmetry be provided with two, two bracing piece upper ends are dismantled respectively and are pegged graft in telescopic both ends, sleeve top pass through connecting rod fixedly connected with handle, the bracing piece in the middle of inboard fixedly connected with positioning box, positioning box top be provided with first motor, positioning box internally mounted has the carousel, the carousel on install tightening device, first motor lower extreme output shaft tightening device, bracing piece bottom inboard fixedly connected with fixed block, the fixed block cooperatees with tightening device. Compared with the prior art, the utility model has the advantages that: the efficiency of the nut tightening procedure is improved to a certain extent, and the synchronous degree and the precision of simultaneous tightening of a plurality of nuts are improved. The bolt is more accurate, and the nut is convenient to screw.

Further, a plurality of fixing holes are formed in the sleeve at intervals, connecting holes matched with the fixing holes are formed in the supporting rods, and the supporting rods are fixedly connected to the sleeve through positioning pins arranged on the connecting holes and the fixing holes. The position of the support rod is convenient to change according to practical conditions, so that the device is higher in practicability.

Further, the tightening device comprises a second motor, a first gear, a second toothed bar and racks, wherein an output shaft at the lower end of the first motor penetrates through the positioning box to be connected with the second motor, the output shaft of the second motor is connected with the first gear, the periphery of the first gear is in meshed connection with the second toothed bar, and the lower ends of the second toothed bars are correspondingly in meshed connection with the fourth racks used for clamping nuts.

Further, the positioning box bottom be equipped with and be used for placing and through tightening the through-hole of device clamp nut, but positioning box inside bottom surface is located through-hole periphery department swivelling joint has the carousel that is used for installing the device of tightening, carousel upside fixedly connected with dead lever, rack two middle be equipped with the through-hole that both ends run through, rack two peg graft on the dead lever.

Compared with the prior art, the utility model has the advantages that: the utility model adopts a mode that the two ends of the supporting rods respectively control the two motors to be screwed simultaneously, so that the efficiency is higher, the screwing synchronization degree of diagonal screws is higher, the accuracy is higher, and the labor cost is reduced.

Drawings

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

FIG. 2 is a bottom view of the tightening apparatus of the present utility model;

FIG. 3 is a schematic view of the installation structure of the tightening device in the positioning box of the present utility model;

as shown in the figure: 1. the handle comprises a handle body, 2, a connecting rod, 3, a fixed port, 4, a locating pin, 5, a telescopic rod sleeve, 6, a telescopic rod, 7, a first motor, 8, a locating box, 9, a tightening device, 10, a fixed block, 11, a second motor, 12, a first gear, 13, a second rack, 14, a rack, 15 and a rotary table.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," "overhang" and the like, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, "plurality" means at least 2.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the nut tightening device comprises two support rods 6 and sleeves 5, wherein the two support rods 6 are symmetrically arranged, the upper ends of the two support rods 6 are detachably connected to two ends of the sleeve 5 respectively, the top of the sleeve 5 is fixedly connected with a handle 1 through a connecting rod 2, the middle inner side of the support rod 6 is fixedly connected with a positioning box 8, the top of the positioning box 8 is provided with a first motor 7, a turntable 15 is arranged in the positioning box 8, a tightening device 9 is arranged on the turntable 15, an output shaft of the lower end of the first motor 7 is connected with the tightening device 9, the inner side of the bottom end of the support rod 6 is fixedly connected with a fixing block 10, and the fixing block 10 is matched with the tightening device 9.

The utility model has simple and convenient structure, easy assembly, reduced cost, improved mechanical efficiency of operation, safety, stability and easy maintenance.

In this embodiment, as shown in fig. 1, a plurality of fixing holes 3 are formed in the sleeve 5 at intervals, connecting holes matched with the fixing holes 3 are formed in the supporting rods 6, and the supporting rods 6 are fixedly connected to the sleeve 5 by installing positioning pins 4 in the connecting holes and the fixing holes 3.

As shown in fig. 3, the tightening device 9 includes a second motor 11, a first gear 12, a second toothed bar 13 and a rack 14, an output shaft at the lower end of the first motor 7 penetrates through the positioning box 8 to be connected with the second motor 11, the output shaft of the second motor 11 is connected with the first gear 12, the periphery of the first gear 12 is in meshed connection with the second toothed bar 13, and the lower ends of the second toothed bars 13 are correspondingly in meshed connection with the fourth racks 14 for clamping nuts.

As shown in fig. 3, a through hole for placing and clamping a nut by the tightening device 9 is formed in the bottom of the positioning box 8, a rotary table 15 for installing the tightening device 9 is rotatably connected to the bottom surface inside the positioning box 8 at the periphery of the through hole, a fixing rod is fixedly connected to the upper side surface of the rotary table 15, a through hole with two ends penetrating through is formed in the middle of the toothed rod II 13, and the toothed rod II 13 is inserted on the fixing rod.

In the concrete implementation of the utility model, according to the position of the nut connected with the bolt, the handle 1 of the device is held to align the through hole at the bottom of the positioning box 8 with the nut to be screwed, then the second motor 11 is started to drive the gear I12 to rotate, the gear I12 rotates to drive the toothed bar II 13 to rotate, and then the rack 14 is driven to move, so that the purpose of clamping the nut on the bolt arranged under the screwing device 9 is achieved. And then the first motor 7 is started to drive the tightening device 9 to rotate, so that the purpose of tightening the nut is achieved.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims

1. A nut tightening device, characterized in that: including bracing piece (6) and sleeve (5), bracing piece (6) symmetry be provided with two, two bracing piece (6) upper ends respectively can dismantle the both ends of pegging graft at sleeve (5), sleeve (5) top pass through connecting rod (2) fixedly connected with handle (1), bracing piece (6) middle inboard fixedly connected with positioning box (8), positioning box (8) top be provided with first motor (7), positioning box (8) internally mounted has carousel (15), carousel (15) on install screw up device (9), first motor (7) lower extreme output shaft screw up device (9), bracing piece (6) bottom inboard fixedly connected with fixed block (10), fixed block (10) cooperate with screw up device (9).

2. A nut tightening device as defined in claim 1, characterized in that: the sleeve (5) on interval be equipped with a plurality of fixed orifices (3), be equipped with on bracing piece (6) with fixed orifices (3) matched with connecting hole, bracing piece (6) are fixed on sleeve (5) through installing locating pin (4) connection on connecting hole and fixed orifices (3).

3. A nut tightening device as defined in claim 1, characterized in that: the tightening device (9) comprises a second motor (11), a first gear (12), a second toothed bar (13) and a rack (14), wherein an output shaft at the lower end of the first motor (7) penetrates through the positioning box (8) to be connected with the second motor (11), the output shaft of the second motor (11) is connected with the first gear (12), the periphery of the first gear (12) is meshed with the second toothed bar (13), and the lower end of the second toothed bar (13) is correspondingly meshed with the rack (14) for clamping nuts.

4. A nut tightening device as defined in claim 3, characterized in that: the positioning box (8) bottom be equipped with and be used for placing and through the through-hole of tightening device (9) clamp nut, positioning box (8) inside bottom surface is located through-hole periphery department and is equipped with carousel (15) that are used for installing tightening device (9), carousel (15) on fixedly connected with dead lever, rack bar two (13) in the middle of be equipped with the through-hole that both ends run through, rack bar two (13) peg graft on the dead lever.