CN220760203U

CN220760203U - Thread cleaning device

Info

Publication number: CN220760203U
Application number: CN202322442401.XU
Authority: CN
Inventors: 强明闪; 刘佳; 刘伟; 祝旭杰; 高禹
Original assignee: Jiangsu Hengshen Co Ltd
Current assignee: Jiangsu Hengshen Co Ltd
Priority date: 2023-09-08
Filing date: 2023-09-08
Publication date: 2024-04-12
Anticipated expiration: 2033-09-08

Abstract

The utility model discloses a thread cleaning device, which comprises a thread cleaning ring, wherein the thread cleaning ring comprises a main body structure, a cleaning limiting structure for cleaning thread foreign matters is arranged on the main body structure, and the cleaning limiting structure comprises a thread cutting edge surface A and an arc surface B which are opposite to each other with respect to the central axis of the main body structure; a cleaning accommodating space is formed between the thread cutting edge surface A and the circular arc surface B; the main structure is also provided with an open slot for accommodating and discharging foreign matters, and the open slot is positioned between the adjacent thread cutting edge surface A and the arc surface B. According to the screw thread cutting edge and the circular arc surface which are arranged oppositely, the screw thread cutting edge is prevented from being screwed with the screw at the same time, and the screw can be screwed smoothly by inserting the screw into the top end of the cleaning accommodating space; through the thread cutting edge surface and the arc surface which are just arranged, only one thread cutting edge exists in the same radial direction, and the damage to threads during foreign matter cleaning is avoided.

Description

Thread cleaning device

Technical Field

The utility model relates to the technical field of production of composite material workpieces, in particular to a thread cleaning device.

Background

The composite material has a structure requiring connection, and metal screw inserts are usually pre-embedded in the composite material to realize effective screwed connection. Composite screws are typically a combination of composite pre-buried metal screw inserts. Foreign matter residues exist on the surface of the embedded metal screw insert thread in the process of technological forming, and normal thread screwing use is affected.

The foreign matters on the surface of the thread are remained, and the conventional threading die is adopted for cleaning, so that the operation of screwing is difficult due to the existence of the foreign matters on the surface of the thread, and the thread is easy to damage.

Disclosure of Invention

The utility model aims to provide a thread cleaning device which solves the problems that in the prior art, screwing is difficult and threads are easy to damage when foreign matters on the surface of threads are cleaned.

In order to achieve the above purpose, the utility model is realized by adopting the following technical scheme:

the thread cleaning device comprises a thread cleaning ring, wherein the thread cleaning ring comprises a main body structure, a cleaning limiting structure for cleaning thread foreign matters is arranged on the main body structure, and the cleaning limiting structure comprises a thread cutting edge surface and an arc surface which are opposite to each other with respect to the central axis of the main body structure;

a cleaning accommodating space is formed between the thread cutting edge surface and the circular arc surface;

the main body structure is also provided with an opening groove for accommodating and discharging foreign matters, and the opening groove is positioned between the adjacent thread cutting edge surface and the arc surface.

Further, the body structure is coupled to a rotatable connection.

Further, the connecting piece is connected to the output end of the rotary motor, and the rotary motor is in signal connection with the controller.

Further, a plurality of rectangular grooves are uniformly distributed on the periphery of the main body structure, and a main groove body for accommodating the main body structure and rectangular protrusions which are positioned in the main groove body and are matched with the rectangular grooves are arranged on the connecting piece.

Further, the body structure is cylindrical in shape.

Further, the main body structure is made of alloy steel or high-hardness carbon steel.

Further, the cleaning limiting structure comprises one to four groups.

Further, the cross-sectional shape of the open slot is circular.

Further, the number of turns of the thread on the thread cutting edge surface is 3-10.

Further, the curvature diameter of the arc surface is consistent with the nominal diameter of the screw to be cleaned.

According to the technical scheme, the utility model has the beneficial effects that:

according to the screw thread cutting edge and the circular arc surface, compared with a common screw thread die, the screw thread cutting edge is prevented from being screwed with the screw at the same time, and the screw can be smoothly screwed by inserting the screw into the top end of the cleaning accommodating space; when the screw thread cleaning device works, the main body structure or the screw is rotated to clean foreign matters on the screw thread, and the cleaned foreign matters can be discharged through an open slot between the thread cutting edge surface and the circular arc surface;

through the thread cutting edge surface and the arc surface which are just arranged, only one thread cutting edge exists in the same radial direction, and the damage to threads during foreign matter cleaning is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a thread cleaning ring according to the present utility model;

FIG. 3 is a schematic view of a composite screw of the present utility model mounted on a threaded clearance ring;

fig. 4 is a cross-sectional view of fig. 3.

Wherein: 1. a controller; 2. a rotary motor; 3. a connecting piece; 4. a thread cleaning ring; 4-1, a main body structure; 4-2, an open slot; 4-3, rectangular grooves; 5. a composite screw; 5-1, metal screw inserts; 5-2, a composite material base.

Description of the embodiments

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

It should be noted that, in the description of the present utility model, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and do not require that the present utility model must be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. The terms "front", "back", "left", "right", "upper", "lower" as used in the description of the present utility model refer to directions in the drawings, and the terms "inner", "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

The screw thread cleaning device of this application has the foreign matter to the screw thread surface to remain in the combined material screw production process, influences the problem that normal screw thread closes the use soon. The thread cleaning ring with the unique structure can smoothly clean foreign matters on the surface of the thread, and damage to the thread is avoided. The application further adopts automatically controlled motor drive can high-efficiently accomplish the clearance of screw thread surface foreign matter residue.

The application discloses a thread cleaning device, including thread cleaning ring 4, thread cleaning ring 4 includes a main body structure 4-1, is equipped with the clearance limit structure that is used for clearing up the screw thread foreign matter on the main body structure 4-1, and clearance limit structure includes thread blade face A and circular arc face B that just are arranged about the central axis of main body structure 4-1; a cleaning accommodating space is formed between the thread cutting edge surface A and the circular arc surface B; the main body structure 4-1 is also provided with an open slot 4-2 for accommodating and discharging foreign matters, and the open slot 4-2 is positioned between the adjacent thread cutting edge surface A and the circular arc surface B.

According to the screw thread cutting edge and the circular arc surface, compared with a common screw thread die, the screw thread cutting edge is prevented from being screwed with the screw at the same time, and the screw can be smoothly screwed by inserting the screw into the top end of the cleaning accommodating space; during operation, can realize the clearance of foreign matter on the screw thread through rotating main structure or screw, the open slot between clearance foreign matter accessible screw thread blade face and the circular arc face is discharged.

In one embodiment of the present application, the thread cleaning device is composed of a controller 1, a rotary motor 2, a connector 3, and a thread cleaning ring 4. The composite screw 5 is composed of a metal screw insert 5-1 and a composite base 5-2, as shown in fig. 1 and 4.

The thread cleaning ring 4 is an annular structural member with a sectional thread cutting edge at the inner ring, and is made of alloy steel or high-hardness carbon steel, so that the wear resistance and the service life of the thread cutting edge are ensured, and a typical structure is shown in fig. 2.

In fig. 2, the thread cleaning ring 4 includes a cylindrical main body structure 4-1, the inner ring of the main body structure 4-1 has 2 groups of cleaning limit structures, the cleaning limit structures include a thread cutting edge a and an arc surface B, and the specification of the specific thread cutting edge is consistent with that of a metric thread. In other embodiments, the purge stop feature may also be provided in three groups.

The thread cutting edge A is used for cleaning foreign matters on the thread surface of the metal screw insert 5-1 of the composite screw 5 and is matched with the thread surface of the screwed screw. The arc surface B is in contact fit with the thread crests of the metal screw insert 5-1 of the composite screw 5, as shown in FIGS. 3 and 4. The sectional type thread cutting edge A and the arc surface B in the thread cleaning ring 4 are arranged right opposite, and the arc surface B plays a limiting role so as to smoothly screw with the screwed screw, and meanwhile, the thread cutting edge A is tightly matched with the thread surface of the screwed screw, so that the foreign matters on the surface of the screw are effectively cleaned.

The two sides of the sectional thread cutting edge A and the circular arc surface B of the main body structure 4-1 are provided with circular open grooves 4-2 for accommodating and discharging foreign matter fragments on the surface of the cleaned screw. A group of rectangular grooves 4-2 are arranged on the outer side of the main body structure 4-1 and are used for being connected and locked with the connecting piece 3 to prevent looseness during rotation, as shown in fig. 2.

During operation, the controller 1 controls the rotating speed and the start and stop of the rotary motor 2, the connecting piece 3 is arranged on the rotary motor 2, the thread cleaning ring 4 is arranged in the connecting piece 3, and the rotary motor 2 rotates to drive the thread cleaning ring 4 to rotate through the connecting piece 3. The screw 5 made of the composite material is fixed by a hand or a flexible chuck and screwed with the thread cleaning ring 4, so that foreign matters on the thread surface are cleaned.

According to the scheme, the rotary motor 2 is controlled by the controller 1, the rotating speed is adjustable and controllable, the operation is stable, and the quick start and stop can be realized; the controller 1 is adopted to control the rotary motor 2 to drive the thread cleaning ring 4 to rotate, so that the efficiency of cleaning foreign matters on the surface of the thread is higher than that of manual screwing operation, and the cleaning effect is cleaner and more thorough; the thread cleaning ring 4 adopts the arrangement of the sectional thread cutting edge A and the arc surface B which are opposite to each other, so that compared with a common thread die, the screw cleaning ring avoids the simultaneous screwing of the annular thread cutting edge and a screw, and can smoothly realize the screwing of the annular thread cutting edge and the metal screw insert 5-1 of the composite screw 5; the thread cleaning ring 4 adopts a sectional thread cutting edge A and an arc surface B which are opposite to each other, and only one thread cutting edge exists in the same radial direction, so that the threads are prevented from being damaged.

It will be appreciated by those skilled in the art that the present utility model can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the utility model or equivalents thereto are intended to be embraced therein.

Claims

1. The thread cleaning device is characterized by comprising a thread cleaning ring (4), wherein the thread cleaning ring (4) comprises a main body structure (4-1), a cleaning limiting structure for cleaning thread foreign matters is arranged on the main body structure (4-1), and the cleaning limiting structure comprises a thread cutting edge surface (A) and an arc surface (B) which are opposite to each other with respect to the central axis of the main body structure (4-1);

a cleaning accommodating space is formed between the thread cutting edge surface (A) and the arc surface (B);

the main body structure (4-1) is also provided with an opening groove (4-2) for accommodating and discharging foreign matters, and the opening groove (4-2) is positioned between the adjacent thread cutting edge surface (A) and the arc surface (B).

2. Thread cleaning device according to claim 1, characterized in that the body structure is connected to a rotatable connection (3).

3. Thread cleaning device according to claim 2, characterized in that the connection (3) is connected to the output of the rotary motor (2), the rotary motor (2) being in signal connection with the controller (1).

4. The thread cleaning device according to claim 2, wherein a plurality of rectangular grooves (4-3) are uniformly distributed on the periphery of the main body structure (4-1), and a main groove body for accommodating the main body structure (4-1) and rectangular protrusions positioned in the main groove body and matched with the rectangular grooves (4-3) are arranged on the connecting piece (3).

5. Thread cleaning device according to claim 1, characterized in that the body structure (4-1) is cylindrical in shape.

6. Thread cleaning device according to claim 1, characterized in that the body structure (4-1) is a body structure made of alloy steel or high-hardness carbon steel.

7. The thread cleaning apparatus as claimed in claim 1, wherein the cleaning limit structure has one to four sets.

8. Thread cleaning device according to claim 1, characterized in that the cross-sectional shape of the open groove (4-2) is circular.

9. The thread cleaning apparatus as claimed in claim 1, wherein the number of turns of the thread cutting edge surface (a) is 3 to 10.

10. Thread cleaning device according to claim 1, characterized in that the diameter of curvature of the circular arc surface (B) corresponds to the nominal diameter of the screw to be cleaned.