CN219213022U

CN219213022U - High-precision screw and nut screwing device

Info

Publication number: CN219213022U
Application number: CN202222543962.4U
Authority: CN
Inventors: 凡永英; 李贺; 樊学飞
Original assignee: Qingdao Fanchengyuan Metal Products Co ltd
Current assignee: Qingdao Fanchengyuan Metal Products Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2023-06-20
Anticipated expiration: 2032-09-26

Abstract

The utility model relates to the technical field of workpiece assembly, and discloses a high-precision screw and nut screwing device which comprises a screwing rod and a nut mounting head, wherein a threaded column is fixed at the top of the screwing rod, a threaded groove is formed in the bottom of the nut mounting head, and the threaded groove is in threaded connection with the threaded column; according to the utility model, the positioning ring is matched with the positioning sleeve to position the screw and the nut when the screw and the nut are installed, so that the screw and the nut are always kept in a vertical state with the installation surface, the screw and the nut are prevented from being damaged and cannot be installed due to dislocation of threads, and the inertia of the flywheel and the balancing weight is adopted for installation, so that the installation efficiency of an assembler is improved, the installation workload of the assembler is effectively reduced, the problem that the screw and the nut cannot be ensured to be always accurately vertical to the installation surface when the screw and the nut are installed with high precision at present, and the screw is easy to be misplaced and cannot be installed when the screw and the nut are installed is solved.

Description

High-precision screw and nut screwing device

Technical Field

The utility model relates to the technical field of workpiece assembly, in particular to a high-precision screw and nut screwing device.

Background

Screws are generally referred to as screws, which are tools for progressively tightening a work of a device by using a bevel circular rotation and friction of an object, nuts are nuts, which are parts screwed together with bolts or screws to perform a tightening function, such as high-precision screws and nuts, which have been widely used as means for combining objects, and particularly have been in an extremely important place in the fields of machinery and electronics, and screws and nuts are generally installed and fixed by using tool rotation.

In some special industries, high-precision screws and nuts can be used, because teeth on the surfaces of the high-precision screws and nuts are dense and precise, the screws and nuts are easy to damage due to the fact that the high-precision screws and nuts are fast in rotating speed by using an electric tool, the high-precision screws and nuts are required to be installed in an artificial mode, the screws and nuts cannot be guaranteed to be always accurately vertical to a mounting surface when the existing tools such as screwdrivers are manually screwed, dislocation and mounting incapability occur easily during installation, the screwdrivers and other tools need to be continuously rotated until the screws and the nuts are screwed during installation, the installation mode is low in efficiency, and time spent for screwing the accumulated screws is also quite long.

Disclosure of Invention

The utility model aims to provide a high-precision screw and nut screwing device which can be used for positioning when a screw and a nut are installed, so that the screw and the nut are always kept in a vertical state with an installation surface, and the installation is performed by adopting inertia of a flywheel during the installation, thereby improving the installation efficiency of assembly staff.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high accuracy screw nut screwing device, includes screw pole and nut installation head, screw the top of pole is fixed with the screw thread post, screw thread groove has been seted up to the bottom of nut installation head, screw thread groove and screw thread post threaded connection, hexagonal groove has been seted up at the top of nut installation head, screw the fixed surface of pole has the flywheel, all be fixed with the balancing weight around the flywheel, screw the bottom of pole and be fixed with the screw installation head, screw the surface sliding connection of pole has the spacer sleeve, the outside of spacer sleeve is fixed with the mounting panel, the bottom of mounting panel is fixed with a plurality of support columns, the other end of support column is fixed with the holding ring.

Preferably, the balancing weight is made of metal iron, the balancing weight is uniformly distributed around the flywheel, and the edge of the balancing weight is designed in a chamfering mode.

Preferably, a plurality of friction blocks are fixed at the bottom of the positioning ring, and the friction blocks are made of hard rubber materials.

Preferably, the number of the support columns is six, and the support columns are uniformly distributed between the mounting plate and the positioning ring.

Preferably, a magnet is fixed at the bottom of the screwing rod, and the magnet is sleeved on the surface of the screw mounting head.

Preferably, the positioning sleeve and the positioning ring are vertically arranged, and the circle centers of the positioning sleeve and the positioning ring are positioned on the same vertical line.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the positioning ring is matched with the positioning sleeve to position the screw and the nut when the screw and the nut are installed, so that the screw and the nut are always kept in a vertical state with the installation surface, the screw and the nut are prevented from being damaged and cannot be installed due to dislocation of threads, and the inertia of the flywheel and the balancing weight is adopted for installation, so that the installation efficiency of an assembler is improved, the installation workload of the assembler is effectively reduced, the problem that the screw and the nut cannot be ensured to be always accurately vertical to the installation surface when the screw and the nut are installed with high precision at present, and the screw is easy to be misplaced and cannot be installed when the screw and the nut are installed is solved.

Drawings

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

FIG. 2 is a schematic view of a partial perspective structure of the present utility model;

FIG. 3 is a schematic view of a partial perspective structure of the present utility model;

fig. 4 is an enlarged view of a portion of fig. 2 a in accordance with the present utility model.

In the figure: 1. screwing the rod; 2. a nut mounting head; 3. a threaded column; 4. a thread groove; 5. a hexagonal groove; 6. a flywheel; 7. balancing weight; 8. a screw mounting head; 9. a positioning sleeve; 10. a mounting plate; 11. a support column; 12. a positioning ring; 13. a friction block; 14. and (3) a magnet.

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.

Referring to fig. 1-4, a high-precision screw and nut screwing device comprises a screwing rod 1 and a nut mounting head 2, wherein a threaded column 3 is fixed at the top of the screwing rod 1, a threaded groove 4 is formed in the bottom of the nut mounting head 2, the threaded groove 4 is in threaded connection with the threaded column 3, a hexagonal groove 5 is formed in the top of the nut mounting head 2, a flywheel 6 is fixed on the surface of the screwing rod 1, balancing weights 7 are fixed on the periphery of the flywheel 6, a screw mounting head 8 is fixed at the bottom of the screwing rod 1, a positioning sleeve 9 is slidably connected on the surface of the screwing rod 1, a mounting plate 10 is fixed at the outer side of the positioning sleeve 9, a plurality of support columns 11 are fixed at the bottom of the mounting plate 10, and a positioning ring 12 is fixed at the other ends of the support columns 11; the screwing device can be used for positioning when the screw and the nut are installed by matching the positioning ring 12 with the positioning sleeve 9, so that the screw and the nut are always kept in a vertical state with the installation surface, the screw and the nut are prevented from being damaged and cannot be installed due to dislocation of threads, the flywheel 6 and the inertia of the balancing weight 7 are adopted for installation, the installation efficiency of an assembly staff is improved, the installation workload of the assembly staff is effectively reduced, and the problem that the screw and the nut cannot be always kept in a precise vertical state with the installation surface when the screw and the nut are installed at present, and the dislocation cannot be installed due to easy occurrence of threads during installation is solved.

The balancing weight 7 is made of metal iron, the balancing weight 7 is evenly distributed around the flywheel 6, the edge of the balancing weight 7 is designed in a chamfering mode, the metal iron has high density, and the rotation inertia of the flywheel 6 is improved, so that the flywheel can rotate for a longer time.

The bottom of the positioning ring 12 is fixed with a plurality of friction blocks 13, the friction blocks 13 are made of hard rubber materials, the friction force between the positioning ring 12 and the mounting surface can be improved by the friction blocks 13, the device is prevented from sliding on the mounting surface, and the mounting stability is improved.

The number of the support columns 11 is six, the support columns 11 are uniformly distributed between the mounting plate 10 and the positioning ring 12, and the design improves the support stability of the support columns 11 and avoids the deviation of the positioning sleeve 9.

The bottom of the screwing rod 1 is fixedly provided with a magnet 14, the magnet 14 is sleeved on the surface of the screw mounting head 8, and the magnet 14 can adsorb the screw to be attached to the screw mounting head 8, so that the screw mounting head 8 is convenient to position.

The locating sleeve 9 and the locating ring 12 are vertically arranged, the circle centers of the locating sleeve 9 and the locating ring 12 are located on the same vertical line, the locating accuracy can be improved through the design, and the situation that the hole site is not attached to the screw nut during installation is avoided.

Working principle: when the screw is installed, the screw is attached to the screw installation head 8, the magnet 14 can absorb the screw, the screw is attached to the screw installation head 8, then the positioning ring 12 is attached to the installation plane and the screw is aligned to the installation hole position, then the flywheel 6 is rotated by hands, the flywheel 6 drives the screwing rod 1 to rotate, metal iron has high density, the screw can be rotationally installed by means of inertia, when the nut is required to be installed, one side of the screw installation head 8 is pulled out of the positioning sleeve 9, the nut installation head 2 is screwed down, then the screwing rod 1 is turned over and inserted into the positioning sleeve 9, then the nut installation head 2 is screwed again, the nut installation can be carried out by repeating the operation to rotate the flywheel 6, and the friction force between the positioning ring 12 and the installation surface can be improved by the friction block 13 at the bottom of the positioning ring 12, the device is prevented from sliding on the installation surface, and the installation stability is improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

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

1. The utility model provides a high accuracy screw nut screwing device, includes screwing pole (1) and nut installation head (2), its characterized in that: screw thread post (3) are fixed on the top of screwing pole (1), thread groove (4) have been seted up to the bottom of nut installation head (2), thread groove (4) and thread post (3) threaded connection, hexagonal groove (5) have been seted up at the top of nut installation head (2), the fixed surface of screwing pole (1) has flywheel (6), all be fixed with balancing weight (7) around flywheel (6), the bottom of screwing pole (1) is fixed with screw installation head (8), the surface sliding connection of screwing pole (1) has positioning sleeve (9), the outside of positioning sleeve (9) is fixed with mounting panel (10), the bottom of mounting panel (10) is fixed with a plurality of support columns (11), the other end of support column (11) is fixed with holding ring (12).

2. The high precision screw and nut tightening device according to claim 1, wherein: the balancing weight (7) is made of metal iron, the balancing weight (7) is uniformly distributed around the flywheel (6), and the edge of the balancing weight (7) is designed in a chamfering mode.

3. The high precision screw and nut tightening device according to claim 1, wherein: the bottom of the positioning ring (12) is fixedly provided with a plurality of friction blocks (13), and the friction blocks (13) are made of hard rubber materials.

4. The high precision screw and nut tightening device according to claim 1, wherein: the number of the support columns (11) is six, and the support columns (11) are uniformly distributed between the mounting plate (10) and the positioning ring (12).

5. The high precision screw and nut tightening device according to claim 1, wherein: the bottom of the screwing rod (1) is fixedly provided with a magnet (14), and the magnet (14) is sleeved on the surface of the screw mounting head (8).

6. The high precision screw and nut tightening device according to claim 1, wherein: the positioning sleeve (9) and the positioning ring (12) are vertically arranged, and the circle centers of the positioning sleeve (9) and the positioning ring (12) are positioned on the same vertical line.