CN219598302U

CN219598302U - Self-tapping screwing tool

Info

Publication number: CN219598302U
Application number: CN202320876811.2U
Authority: CN
Inventors: 王新亮; 刘海; 李�昊; 陈贤明; 曹熏陶; 王俊; 王佳琪; 唐剑
Original assignee: Shanghai Autobox Auto Engineering Co ltd
Current assignee: Shanghai Autobox Auto Engineering Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-08-29
Anticipated expiration: 2033-04-18

Abstract

The utility model provides a self-tapping screwing tool, which comprises a pressing mechanism, a screwing head mechanism, a telescopic mechanism and a self-tapping screwing mechanism, wherein the self-tapping screwing mechanism is connected with the telescopic mechanism, the telescopic mechanism penetrates through the pressing mechanism and is connected with the screwing head mechanism, the pressing mechanism comprises a pressing block, a first guide shaft, a first connecting plate and a second connecting plate, one end of the guide shaft is connected with the pressing block, and the other end of the first guide shaft penetrates through the first connecting plate and is mounted on the second connecting plate, and the self-tapping screwing tool has the beneficial effects that: the pressing mechanism is arranged and is mutually connected with the tightening head mechanism and the telescopic mechanism, products are pressed before self-tapping tightening, offset rotation tightening and tapping thrust are prevented from being separately executed when the products are subjected to large torque, and less scattered tightening torque is caused by the tool.

Description

Self-tapping screwing tool

Technical Field

The utility model relates to the technical field of tightening devices, in particular to a self-tapping tightening tool.

Background

Screw fasteners are one of the most widely used hardware universal parts, and have melted the aspects of human production and life, and become one of the basic guarantee conditions of modern production and life of human beings, for example, a car has about 580 fasteners with 500 different specifications, and how to accurately install the fasteners is a problem to be solved.

The prior art discloses an automatic fastener tightening device, which relates to the technical field of fastening and connecting tools and comprises a longitudinal moving part, wherein the longitudinal moving part comprises a frame and at least one tightening assembly arranged on the frame, the tightening assembly comprises a lifting mechanism and at least one tightening gun driven to move up and down by the lifting mechanism, and the head of the tightening gun is provided with a batch head with magnetic attraction, so that after the lifting mechanism drives the tightening gun to a working position, the tightening gun screws a fastener on the batch head to a target position; and the transverse moving part comprises a mounting frame and a transverse moving mechanism arranged on the mounting frame, and the frame drives the transverse moving mechanism to move transversely so that the tightening assembly on the frame moves transversely to a working position. The utility model enables automated operation of screwing the fastener into the target location.

The above solution has the problem that the tightening and tapping are not performed separately with consideration of the thrust, so that the thrust is too high during the working phase, which is liable to cause the equipment to stop working or damage.

Disclosure of Invention

The utility model provides a self-tapping screwing tool, which aims to solve the problems that in the prior art, the screwing and tapping are not carried out separately by considering the thrust, so that the thrust is overlarge in the working stage, and equipment is easy to stop working or damage.

The utility model discloses a self-tapping screwing tool which comprises a pressing mechanism, a screwing head mechanism, a telescopic mechanism and a self-tapping screwing mechanism, wherein the self-tapping screwing mechanism is connected with the telescopic mechanism, the telescopic mechanism penetrates through the pressing mechanism and is connected with the screwing head mechanism, the pressing mechanism comprises a pressing block, a first guide shaft, a first connecting plate and a second connecting plate, one end of the guide shaft is connected with the pressing block, and the other end of the guide shaft penetrates through the first connecting plate and is mounted on the second connecting plate.

On this basis, screw up head mechanism includes permanent magnet, axle sleeve, screw up rifle head, thrust ball bearing, adapter shaft and bearing housing, screw up rifle head and product connection, the axle sleeve inlay to screw up on the head of rifle head, the permanent magnet inlay to on the axle sleeve, thrust ball bearing with telescopic machanism is connected, the adapter shaft embolias thrust ball bearing hole, the bearing housing embolias adapter shaft axle head, adapter shaft rectangular shaft is connected with screw up rifle head rectangular hole.

On this basis, telescopic machanism includes connecting block, guiding axle two, linear bearing, connecting seat, cylinder, floating connecting block, cylinder floating joint, connecting plate one and connecting plate two, connecting block one end is connected screw up head mechanism, the other end with connecting plate one is connected, guiding axle two sets up between connecting plate one and the connecting plate two, linear bearing installs face with connecting plate two one side is connected, guiding axle two embolias in the linear bearing hole, the connecting seat sets up two opposite sides of connecting plate, the cylinder is installed connecting plate two installs one side of connecting seat, floating connecting block one end is connected to connecting plate one upper end, floating connecting block other end will the cylinder floating joint embolias in the floating connecting block floating hole, the cylinder floating joint with cylinder guide arm axle locking.

On the basis, the upper end of the connecting seat is provided with a limiting block, and the limiting block is connected with two end faces of the guide shaft.

On the basis, the self-tapping screwing mechanism adopts a screwing gun, the mounting surface of the screwing gun is connected with the connecting plate in a two-phase manner, and a rectangular shaft on the screwing gun is connected with a rectangular hole on the switching shaft.

On the basis, a gasket is arranged between the compression block and the first guide shaft.

On the basis, the tightening head mechanism is provided with a first plunger and a second plunger.

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

(1) According to the self-tapping screwing tool, the pressing mechanism is arranged and is connected with the screwing head mechanism and the telescopic mechanism, products are pressed before self-tapping screwing, offset rotation screwing and tapping thrust are prevented from being separately executed when the products are subjected to large torque, and therefore the tool is enabled to have fewer scattered screwing moments.

(2) The self-tapping screwing tool provided by the utility model can be used for quickly replacing and screwing the gun head by adopting the mounting mode of the rectangular hole, the rectangular shaft and the plunger, so that the tool can be suitable for quick switching between bolts or threaded sleeves, has high flexibility cost and is suitable for different working occasions.

(3) According to the self-tapping screwing tool, the structure mode of the thrust ball bearing is adopted in the screwing head mechanism, and thrust between tapping and screwing is dispersed, so that the tool is more stable in a working state, the energy consumption of the tool is reduced, and the service life of the tool is prolonged.

Drawings

FIG. 1 is a schematic view of the self-tapping tightening tool of the present utility model;

FIG. 2 is an enlarged schematic view of the structure of FIG. 1 at A;

FIG. 3 is a schematic view of the structure of the pressing mechanism of the present utility model;

FIG. 4 is a schematic view of the explosive structure of the tightening head machine of the present utility model;

FIG. 5 is a schematic view of the mounting structure of the telescopic mechanism and tightening head mechanism of the present utility model;

fig. 6 is a schematic view of the self-tapping screw-down mechanism and screw-down head mechanism mounting structure of the present utility model.

In the figure: 1. the device comprises a product, 2, a compressing mechanism, 2-1, a compressing block, 2-2, a gasket, 2-3, a first guide shaft, 2-4, a first connecting plate, 2-5, a second connecting plate, 3, a screwing head mechanism, 3-1, a permanent magnet, 3-2, a shaft sleeve, 3-3, a screwing gun head, 3-4, a first plunger, 3-5, a thrust ball bearing, 3-6, a switching shaft, 3-7, a second plunger, 3-8, a bearing sleeve, 4, a telescopic mechanism, 4-1, a connecting block, 4-2, a second guide shaft, 4-3, a linear bearing, 4-4, a connecting seat, 4-5, a cylinder, 4-6, a limiting block, 4-7, a floating connecting block, 4-8, a cylinder floating joint, 5, a self-screwing mechanism, 5-1, a screwing gun, 6 and a fastener.

Detailed Description

The utility model will be described in further detail below with reference to the drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1, in order to screw a fastener 6 to a product 1, the present utility model discloses a self-tapping screw tool including a pressing mechanism 2, a screw head mechanism 3, a telescopic mechanism 4, and a self-tapping screw mechanism 5, the self-tapping screw mechanism 5 is connected to the telescopic mechanism 4, the telescopic mechanism 4 is connected to the screw head mechanism 3 through the pressing mechanism 2, the pressing mechanism 2 includes a pressing block 2-1, a guide shaft 1-3, a connecting plate 2-4, and a connecting plate 2-5, one end of the guide shaft 2-3 is connected to the pressing block 2-1, the other end of the guide shaft 2-3 is mounted to the connecting plate 2-5 through the connecting plate 2-4, and the product is pressed before self-tapping screw to prevent the product from being deviated or rotated during operation.

As the preferred implementation mode of the utility model, in the embodiment, the screwing head mechanism 3 is a working part of a tool, the screwing head mechanism 3 comprises a permanent magnet 3-1, a shaft sleeve 3-2, a screwing gun head 3-3, a thrust ball bearing 3-5, a switching shaft 3-6 and a bearing sleeve 3-8, the screwing gun head 3-3 is connected with a product, the shaft sleeve 3-2 is inlaid on the head of the screwing gun head 3-3, the permanent magnet 3-1 is inlaid on the shaft sleeve 3-2 and is used for taking and placing a bolt screw sleeve, the thrust ball bearing 3-5 is connected with a telescopic mechanism 4, the switching shaft 3-6 is sleeved into an inner hole of the thrust ball bearing 3-5, the bearing sleeve 3-8 is sleeved into a shaft end of the switching shaft 3-6, and the rectangular shaft of the switching shaft 3-6 is connected with the rectangular hole of the screwing gun head 3-3, and is mainly used for positioning between the two, and the thrust ball bearing 3-5 is used for dispersing thrust generated when the tool is tapped and screwed, so that the energy consumption of the tool is more stable in the working state, and the service life of the tool is prolonged.

As a preferred embodiment of the utility model, in the embodiment, the telescopic mechanism 4 is used for tightening the telescopic of the head mechanism 3 and is connected with a manual or machine by placing a bolt sleeve, the telescopic mechanism 4 comprises a connecting block 4-1, a guide shaft two 4-2, a linear bearing 4-3, a connecting seat 4-4, a cylinder 4-5, a cylinder floating joint 4-8, a floating connecting block 4-7, a connecting plate one 2-4 and a connecting plate two 2-5, one end of the connecting block 4-1 is connected with the tightening head mechanism 3, the tightening head mechanism 3 is mounted at the lower end of the connecting block 4-1 through a thrust ball bearing 3-5, the other end of the tightening head mechanism is connected with the connecting plate one 2-4, the guide shaft two 4-2 is arranged between the connecting plate one 2-4 and the connecting plate two 2-5, the linear bearing 4-3 is connected with one side of the connecting plate two 2-5 by adopting two, the linear bearing 4-3, the guide shaft two 4-2 is sleeved in an inner hole of the linear bearing 4-3, the connecting seat 4-4 is arranged at the other side of the connecting plate two 2-5, the cylinder 4-5 is mounted at one side of the connecting seat 4-5, the connecting seat 4-5 is mounted at the connecting plate two side of the connecting plate 2-5, the connecting rod 4-7 is mounted at the connecting plate 1 side of the connecting plate 4-4, and the connecting rod is connected with the connecting rod 4-8 by the connecting rod 4-8, when the floating joint is connected with the cylinder 4-8 by the connecting rod, the connecting rod is greatly deformed by the radial force is prevented from the floating joint, and the connecting rod 4-8 is greatly by the connecting rod 4-8, and the floating joint is greatly caused by the floating joint, and the floating joint is deformed by the connecting joint, and the connecting joint is deformed by the connecting cylinder 4.

In this embodiment, a limiting block 4-6 is disposed at the upper end of the connecting seat 4-4, and the limiting block 4-6 is connected with the end face of the guide shaft two 4-2 to form a limit when extending.

In this embodiment, the self-tapping tightening mechanism 5 adopts a tightening gun 5-1, the installation surface of the tightening gun 5-1 is connected with the second connecting plate 2-5, the rectangular shaft on the tightening gun 5-1 is connected with the rectangular hole on the adapter shaft 3-6, and the tightening gun 5-1 is mainly used for providing power.

In the preferred embodiment of the present utility model, a spacer 2-2 is provided between the pressing block 2-1 and the guide shaft 2-3 to accommodate the thickness of various products.

As the preferred implementation mode of the utility model, in the embodiment, the first plunger 3-4 and the second plunger 3-7 are arranged on the tightening head mechanism 3, the first plunger 3-4 is used for clamping, the tightening gun head 3-3 is prevented from falling off during working, the second plunger 3-7 is used for clamping, the connecting shaft 3-6 can be ensured to be replaced quickly, the tightening gun head 3-3 can be replaced quickly under the action of external force, and the tightening gun head 3-3 can be replaced quickly by adopting the installation mode of a rectangular hole, a rectangular shaft and the plunger, so that the tool can adapt to quick switching between bolts or screw sleeves, the flexibility cost is high, and the tool is suitable for different working occasions.

The working principle of the utility model is as follows: in the actual use process, the air cylinder 4-5 is retracted, the head part mechanism 3 is screwed to an initial position, a manual or mechanical placement bolt and nut is installed on the self-tapping screwing mechanism 5, and the suction is carried out through the permanent magnet 3-1, so that the bolt and nut cannot fall off when in operation, a tool is positioned at a product, the compression block 2-1 is in contact compression with the product, and the product is prevented from shifting or rotating in the working state of the tool;

the cylinder 4-5 stretches out, and makes the bolt sleeve contact with the position of the product bottom hole without threads, the tightening gun 5-1 starts working, drives the tightening head mechanism 3 to rotate and slowly descend, and performs tapping and tightening on the product bottom hole without threads, wherein the thrust ball bearing 3-5 is used for dispersing component force generated during tapping and tightening, so that the downtime rate of equipment is reduced;

the tightening gun head 3-3 is positioned by adopting a rectangular hole and a rectangular shaft and is clamped by the first plunger 3-4, so that the tightening gun head 3-3 can be conveniently taken down under the action of external force, and the tightening gun head can be quickly replaced, and is suitable for various different products and working conditions;

when the work is completed, the tightening gun 5-1 stops working, and the cylinder 4-5 drives the tightening head mechanism 3 to retract to the initial state.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements 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.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," "cushioned," and the like are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, as noted above, it is to be understood that the utility model is not limited to the forms disclosed herein but is not to be construed as excluding other embodiments, and that various other combinations, modifications and environments are possible and may be made within the scope of the inventive concepts described herein, either by way of the foregoing teachings or by those of skill or knowledge of the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. The utility model provides a self-tapping screwing tool which characterized in that: including hold-down mechanism (2), screw up head mechanism (3), telescopic machanism (4) and self-tapping screw up mechanism (5), self-tapping screw up mechanism (5) are connected telescopic machanism (4), telescopic machanism (4) run through hold-down mechanism (2) with screw up head mechanism (3) are connected, hold-down mechanism (2) include compact heap (2-1), guiding axle one (2-3), connecting plate one (2-4) and connecting plate two (2-5), guiding axle one (2-3) one end is connected compact heap (2-1), guiding axle one (2-3) the other end runs through connecting plate one (2-4) and installs on connecting plate two (2-5).

2. The self-tapping screw-up tool according to claim 1, wherein: the tightening head mechanism (3) comprises a permanent magnet (3-1), a shaft sleeve (3-2), a tightening gun head (3-3), a thrust ball bearing (3-5), a transfer shaft (3-6) and a bearing sleeve (3-8), the tightening gun head (3-3) is connected with a product, the shaft sleeve (3-2) is inlaid on the head of the tightening gun head (3-3), the permanent magnet (3-1) is inlaid on the shaft sleeve (3-2), the thrust ball bearing (3-5) is connected with the telescopic mechanism (4), the transfer shaft (3-6) is sleeved in an inner hole of the thrust ball bearing (3-5), the bearing sleeve (3-8) is sleeved in the shaft end of the transfer shaft (3-6), and the rectangular shaft of the transfer shaft (3-6) is connected with the rectangular hole of the tightening gun head (3-3).

3. The self-tapping screw-up tool according to claim 2, wherein: the telescopic mechanism (4) comprises a connecting block (4-1), a guide shaft II (4-2), a linear bearing (4-3), a connecting seat (4-4), an air cylinder (4-5), a floating connecting block (4-7), an air cylinder floating joint (4-8), a connecting seat I (2-4) and a connecting plate II (2-5), one end of the connecting block (4-1) is connected with the screwing head mechanism (3), the other end of the connecting block is connected with the connecting plate I (2-4), the guide shaft II (4-2) is arranged between the connecting plate I (2-4) and the connecting plate II (2-5), the mounting surface of the linear bearing (4-3) is connected with one side of the connecting plate II (2-5), the guide shaft II (4-2) is sleeved in an inner hole of the linear bearing (4-3), the connecting seat (4-4) is arranged on the other side of the connecting plate II (2-5), the air cylinder (4-5) is arranged on one side of the connecting plate II (2-5) where the floating connecting seat (4-4) is arranged, one end of the connecting plate II (4-5) is connected with the connecting plate II (4-7), the other end of the floating connecting block (4-7) is sleeved with the air cylinder floating joint (4-8) in the floating hole of the floating connecting block (4-7), and the air cylinder floating joint (4-8) is locked with the guide rod shaft of the air cylinder (4-5).

4. A self-tapping tightening tool as defined in claim 3, wherein: the upper end of the connecting seat (4-4) is provided with a limiting block (4-6), and the limiting block (4-6) is connected with the end face of the guide shaft II (4-2).

5. The self-tapping screw-up tool according to claim 4, wherein: the self-tapping screwing mechanism (5) adopts a screwing gun (5-1), the mounting surface of the screwing gun (5-1) is connected with the second connecting plate (2-5), and the rectangular shaft on the screwing gun (5-1) is connected with the rectangular hole on the switching shaft (3-6).

6. The self-tapping screw-up tool according to claim 1, wherein: a gasket (2-2) is arranged between the compression block (2-1) and the first guide shaft (2-3).

7. The self-tapping screw-up tool according to claim 2, wherein: the tightening head mechanism (3) is provided with a first plunger (3-4) and a second plunger (3-7).