Automatic tightening device

Abstract

The present invention relates to the technical field of automation equipment, and specifically discloses an automatic tightening device, including a frame, a pushing mechanism, a joint fixing mechanism and a locking mechanism, the locking mechanism including a first positioning sleeve and a second positioning sleeve, the second positioning sleeve is fixedly connected with a plurality of bevel blocks, the first positioning sleeve is penetrated by a clamping block assembly; the clamping block assembly includes a bevel block connector and a clamping block, the bevel block connector is provided with a bevel groove corresponding to the bevel block; the clamping block is connected to the bevel block connector, and the clamping block is provided with a clamping groove; when the push rod pushes the bevel block into the bevel groove, the clamping block moves toward the center and closes to complete the fixation of the sheath nut; the first positioning sleeve positions the sheath nut and then rotates so that the sheath nut is tightened on the insulating sheath. The automatic tightening device provided by the technical solution only needs to insert the product to be processed into the first positioning sleeve to complete the tightening of the sheath nut. The present invention has a compact structure, high processing efficiency, high degree of automation, and saves time and effort.

Description

Technical Field

[0001] The invention relates to the technical field of automation equipment, and particularly discloses an automatic tightening device. Background Art

[0002] Reference Manual Figure 8 Schematic diagram of the structure of the power cord. The existing power cord includes an insulating sheath 8 and a connector 802 arranged on the insulating sheath 8, wherein the connector 802 is fixed to both ends of the insulating sheath 8 by a sheath nut 801. In the existing production and processing method, the sheath nut 801 is generally tightened manually, which is inefficient and laborious. Summary of the Invention

[0003] The present invention aims to solve the above-mentioned deficiencies in the prior art and provides an automatic tightening device.

[0004] The technical solutions adopted by the present invention to solve the above problems are as follows:

[0005] The present invention provides an automatic tightening device, comprising:

[0006] frame;

[0007] A pushing mechanism, wherein the pushing mechanism is arranged on the frame and one end of the pushing mechanism is connected to a push rod;

[0008] A joint fixing mechanism, the joint fixing mechanism is fixedly connected to the frame and is used to position the joint of the workpiece to be processed;

[0009] A locking mechanism, the locking mechanism comprising a first positioning sleeve and a second positioning sleeve, the second positioning sleeve being connected to the push rod, and the second positioning sleeve being fixedly connected to a plurality of inclined blocks, and the first positioning sleeve being penetrated by a clamping block assembly;

[0010] The clamping block assembly comprises:

[0011] An oblique block connecting piece, wherein the oblique block connecting piece is provided with an oblique groove corresponding to the oblique block;

[0012] A clamping block, the clamping block is connected to the oblique block connecting piece, and the clamping block is provided with a clamping groove;

[0013] When the push rod pushes the inclined block into the inclined groove, the clamping block moves toward the center and closes to fix the sheath nut;

[0014] After the first positioning sleeve positions the sheath nut, the sleeve is rotated so that the sheath nut is screwed onto the insulating sheath.

[0015] Furthermore, the joint fixing mechanism includes:

[0016] Joint positioning piece;

[0017] a plurality of groups of bearings, wherein the bearings are arranged on the outer surface of the joint positioning member;

[0018] The plug is located inside the joint positioning piece, and a spring installation groove is provided in the joint positioning piece, a plug rebound spring is provided in the spring installation groove, and the plug rebound spring is connected to one end of the plug.

[0019] Furthermore, a motor is provided on the frame, a first gear is provided on the motor, a second gear is provided on the first positioning sleeve, and the first gear is meshed with the second gear.

[0020] Furthermore, a plane bearing is provided in the second positioning sleeve, and the inclined block is oppositely arranged on the second positioning sleeve.

[0021] Furthermore, a downward pressure buffer spring is provided between the oblique block connector and the clamping block.

[0022] Furthermore, a clamping block assembly installation groove is provided on the first positioning sleeve, the clamping block assembly is installed in the clamping block assembly installation groove, and the clamping block extends into the first positioning sleeve.

[0023] Furthermore, a plurality of groups of rebound springs are provided between the oblique block connector and the first positioning sleeve.

[0024] Furthermore, the pushing mechanism is a cylinder.

[0025] The beneficial effects of the present invention are: the present technical solution provides an automatic tightening device, including a frame, a pushing mechanism, a joint fixing mechanism and a locking mechanism, the locking mechanism including a first positioning sleeve and a second positioning sleeve, the second positioning sleeve is fixedly connected with a plurality of bevel blocks, the first positioning sleeve is penetrated by a clamping block assembly; the clamping block assembly includes a bevel block connector and a clamping block, the bevel block connector is provided with a bevel groove corresponding to the bevel block; the clamping block is connected to the bevel block connector, and the clamping block is provided with a clamping groove; when the push rod pushes the bevel block into the bevel groove, the clamping block moves toward the center and closes to complete the fixation of the sheath nut; the first positioning sleeve positions the sheath nut and then rotates so that the sheath nut is tightened on the insulating sheath. The automatic tightening device provided by the present technical solution only needs to insert the product to be processed into the first positioning sleeve to complete the tightening of the sheath nut. The present invention has a compact structure, high processing efficiency, high degree of automation, and saves time and effort. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0027] Figure 1 A three-dimensional diagram of an automatic tightening device according to the present invention;

[0028] Figure 2 A three-dimensional diagram of a positioning mechanism in an automatic tightening device of the present invention;

[0029] Figure 3 for Figure 2 Exploded diagram;

[0030] Figure 4 A cross-sectional view of an automatic tightening device according to the present invention;

[0031] Figure 5 for Figure 4 A magnified view of point A in the figure;

[0032] Figure 6 for Figure 4 Enlarged view of point B in FIG.

[0033] Figure 7 for Figure 4 Enlarged view of point C in the figure;

[0034] Figure 8 This is a three-dimensional diagram of an existing power cord.

[0035] Marked in the accompanying drawings are: 1-frame, 2-motor, 201-first gear, 3-pushing mechanism, 4-push rod, 5-joint fixing mechanism, 501-bearing, 502-joint positioning piece, 503-spring mounting groove, 504-head rebound spring, 505-head, 6-locking mechanism, 601-first positioning sleeve, 6011-clamping block assembly mounting groove, 602-clamping block assembly, 6021-oblique block connecting piece, 6022-oblique groove, 6023-rebound spring, 6024-clamping block, 6025-clamping groove, 6026-downward pressure buffer spring, 603-second positioning sleeve, 604-oblique block, 605-plane bearing, 7-second gear, 8-insulating sheath, 801-sheath nut, 802-joint. DETAILED DESCRIPTION

[0036] In order to enable those skilled in the art to better understand the technical solutions of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of this application.

[0037] Refer to the instruction manual Figure 1-8 As shown, an automatic tightening device includes a frame 1, a pushing mechanism 3, a joint fixing mechanism 5 and a locking mechanism 6; the pushing mechanism 3 is arranged on the frame 1, and one end of the pushing mechanism 3 is connected to the push rod 4; the joint fixing mechanism 5 is fixedly connected to the frame 1, and the joint fixing mechanism 5 is used to position the joint of the workpiece to be processed; the locking mechanism 6 includes a first positioning sleeve 601 and a second positioning sleeve 603, the second positioning sleeve 603 is connected to the push rod 4, and the second positioning sleeve 603 is fixedly connected to a plurality of inclined blocks 604, the first positioning sleeve 601 is penetrated by a clamping block assembly 602; the clamping block assembly 602 includes an inclined block connector 6021 and a clamping block 6024, and the inclined block connector 6021 is connected to the clamping block 6024. 021 is provided with an oblique groove 6022 corresponding to the oblique block 604; the clamping block 6024 is connected to the oblique block connector 6021, and the clamping block 6024 is provided with a clamping groove 6025; when the push rod 4 pushes the oblique block 604 into the oblique groove 6022, the clamping block 6024 moves toward the center and closes to complete the fixation of the sheath nut 801; the first positioning sleeve 601 positions the sheath nut 801 and then rotates it so that the sheath nut 801 is tightened on the insulating sheath 8. The automatic tightening device provided by the present technical solution only needs to insert the product to be processed into the first positioning sleeve to complete the tightening of the sheath nut. The present invention has a compact structure, high processing efficiency, high degree of automation, and saves time and effort.

[0038] As a preferred implementation manner of this embodiment, the joint fixing mechanism 5 includes a joint positioning member 502; several groups of bearings 501, and the bearings 501 are arranged on the outer surface of the joint positioning member 502; a plug 505, and the plug 505 is located inside the joint positioning member 502, and a spring mounting groove 503 is provided in the joint positioning member 502, and a plug rebound spring 504 is provided in the spring mounting groove 503, and the plug rebound spring 504 is connected to one end of the plug 505. The joint with the processed product extends into the joint positioning member 502, and the plug 505 will resist the joint due to the elastic force of the plug rebound spring 504.

[0039] Specifically, the frame 1 is provided with a motor 2, the motor 2 is provided with a first gear 201, the first positioning sleeve 601 is provided with a second gear 7, the first gear 201 and the second gear 7 are engaged with each other, and the motor 2 is used to drive the first positioning sleeve 601 and the clamping block assembly 602 to rotate, thereby driving the sleeve nut to be tightened, and the processing efficiency is high.

[0040] Specifically, a plane bearing 605 is provided in the second positioning sleeve 603 , and the inclined block 604 is oppositely arranged on the second positioning sleeve 603 .

[0041] Specifically, a downward pressure buffer spring 6026 is provided between the oblique block connector 6021 and the clamping block 6024 to prevent the outer polygon from being misaligned when the oblique block connector 6021 drives the clamping block 6024 to be pressed downward, causing damage to the sleeve nut. During the tightening process, the outer polygon is automatically repaired and aligned, and then tightened.

[0042] Specifically, a clamping block assembly installation groove 6011 is provided on the first positioning sleeve 601 , the clamping block assembly 602 is installed in the clamping block assembly installation groove 6011 , and the clamping block 6024 extends into the first positioning sleeve 601 .

[0043] Specifically, a plurality of groups of rebound springs 6023 are provided between the inclined block connector 6021 and the first positioning sleeve 601 to ensure that the clamping block 6024 can be reset after the inclined block 604 moves out of the inclined slot 6022 .

[0044] In addition, the pushing mechanism 3 is a cylinder.

[0045] Working principle: The product to be processed is inserted into the joint positioning piece 502 for positioning, and the pushing mechanism 3 pushes the second positioning sleeve 603 forward through the push rod 4, and the inclined block 604 on the second positioning sleeve 603 moves to the inclined groove 6022, and the inclined block connecting piece 6021 drives the clamping block 6024 to move toward the center of the first positioning sleeve 601 to complete the fixation of the part to be processed. At this time, the motor 2 drives the second gear 7 on the first connecting sleeve 601 to rotate through the first gear 201, and then the nut fixed by the first connecting sleeve 601 and the clamping block assembly 602 rotates at the same time to complete the fixation of the nut. At this time, the pushing mechanism 3 is reset, the inclined block 604 moves out of the inclined groove 6022, and the clamping block 6024 is reset due to the action of the rebound spring 6023 to complete the separation of the part to be processed.

[0046] From the above description, it can be seen that the above embodiments of the present invention achieve the following technical effects:

[0047] The present technical solution provides an automatic tightening device, including a frame, a pushing mechanism, a joint fixing mechanism and a locking mechanism, the locking mechanism including a first positioning sleeve and a second positioning sleeve, the second positioning sleeve is fixedly connected with a plurality of bevel blocks, the first positioning sleeve is penetrated by a clamping block assembly; the clamping block assembly includes a bevel block connector and a clamping block, the bevel block connector is provided with a bevel groove corresponding to the bevel block; the clamping block is connected to the bevel block connector, and the clamping block is provided with a clamping groove; when the push rod pushes the bevel block into the bevel groove, the clamping block moves toward the center and closes to complete the fixation of the sheath nut; the first positioning sleeve positions the sheath nut and then rotates so that the sheath nut is tightened on the insulating sheath. The automatic tightening device provided by the present technical solution only needs to insert the product to be processed into the first positioning sleeve to complete the tightening of the sheath nut. The present invention has a compact structure, high processing efficiency, high degree of automation, and saves time and effort.

[0048] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0049] Unless otherwise specifically stated, the relative arrangement of the parts and steps, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to actual proportional relationships. The techniques, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values ​​should be interpreted as being merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0050] In the description of this application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, longitudinal, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application. In addition, the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0051] It should be understood that when an element is referred to as being “on” or “connected to” another element, it can be directly on or directly connected to the other element, or it can be indirectly connected with an intervening element between the two. Conversely, when an element is referred to as being “directly on” or “directly connected to” another element, there are no intervening elements between the two.

[0052] In addition, it should be noted that in the description of the present invention, the use of words such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood as limiting the scope of protection of this application. In the description of the present invention, unless otherwise stated, the meaning of "multiple" refers to two or more.

[0053] The above is a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications are also considered to be within the scope of protection of the present invention.

Claims

1. An automatic tightening device, characterized in that: include: frame; A pushing mechanism, wherein the pushing mechanism is arranged on the frame and one end of the pushing mechanism is connected to a push rod; A joint fixing mechanism, the joint fixing mechanism is fixedly connected to the frame and is used to position the joint of the workpiece to be processed; A locking mechanism, the locking mechanism comprising a first positioning sleeve and a second positioning sleeve, the second positioning sleeve being connected to the push rod, and the second positioning sleeve being fixedly connected to a plurality of inclined blocks, and the first positioning sleeve being penetrated by a clamping block assembly; The clamping block assembly comprises: An oblique block connecting piece, wherein the oblique block connecting piece is provided with an oblique groove corresponding to the oblique block; A clamping block, the clamping block is connected to the oblique block connecting piece, and the clamping block is provided with a clamping groove; When the push rod pushes the inclined block into the inclined groove, the clamping block moves toward the center and closes to fix the sheath nut; After the first positioning sleeve positions the sheath nut, the first positioning sleeve is rotated so that the sheath nut is tightened onto the insulating sheath; The joint fixing mechanism comprises: Joint positioning piece; a plurality of groups of bearings, wherein the bearings are arranged on the outer surface of the joint positioning member; A plug, the plug is located inside the joint positioning piece, and a spring installation groove is provided in the joint positioning piece, a plug rebound spring is provided in the spring installation groove, and the plug rebound spring is connected to one end of the plug; The frame is provided with a motor, the motor is provided with a first gear, the first positioning sleeve is provided with a second gear, and the first gear is meshed with the second gear; A plane bearing is provided in the second positioning sleeve, and the inclined block is oppositely arranged on the second positioning sleeve; The first positioning sleeve is provided with a clamping block assembly installation groove, the clamping block assembly is installed in the clamping block assembly installation groove, and the clamping block extends into the first positioning sleeve.

2. An automatic tightening device according to claim 1, characterized in that: A downward-pressing buffer spring is provided between the oblique block connector and the clamping block.

3. An automatic tightening device according to claim 2, characterized in that: A plurality of groups of rebound springs are provided between the oblique block connecting piece and the first positioning sleeve.

4. An automatic tightening device according to claim 3, characterized in that: The pushing mechanism is a cylinder.

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