CN217750287U

CN217750287U - Sleeve and locking device

Info

Publication number: CN217750287U
Application number: CN202123432041.2U
Authority: CN
Inventors: 方掩
Original assignee: Gree Electric Appliance Ganzhou Co ltd
Current assignee: Gree Electric Appliance Ganzhou Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-11-08
Anticipated expiration: 2031-12-30

Abstract

The utility model relates to a sleeve and locking device. The end part of the sleeve is provided with a sucker, the adsorption surface of the sucker is matched with the outer surface of an object to be adsorbed, a vacuum generating device is arranged inside the sleeve, and the vacuum generating device is connected with the sucker. According to the technical scheme, automation and intellectualization of installation of small parts such as nuts are realized, the labor cost is reduced, and the assembly efficiency is improved. In addition, the nut is prevented from falling off during automatic locking by improving the mode of adsorbing small parts such as the nut and the like of the sleeve, and a solid foundation is laid for automatic development; simultaneously through collocation controlling means and locking device, realize full-automatic nut lock and attach, it is more stable than artifical fixed, the fault rate is low, and efficiency is higher, has eliminated the line body post bottleneck.

Description

Sleeve and locking device

Technical Field

The utility model relates to an assembly line technical field, in particular to sleeve and locking device.

Background

At present, the production line of the air conditioner outdoor unit realizes a production mode of replacing a bent angle inflation valve with a straight pipe sleeve, but the procedures of assembling a valve core nut, assembling a connecting pipe nut and the like on the production line of the air conditioner outdoor unit are all finished manually, the labor intensity of workers is high, the personnel investment is large, the production line belongs to four high posts of typical high pollution, high danger, high strength and high temperature, and the hidden danger of thread scratching quality exists.

In addition, the original sleeve for the nut only has a sleeve opening with the size corresponding to that of the nut, and further comprises a section of supporting rod and a mechanical torque control part without any other auxiliary measures, so that in actual production, workers are required to manually pre-install the nut into the screw by using the sleeve firstly, and then lock the nut by using a torque wrench. However, the operator may tilt the nut, miss the nut, loosen the nut, thread the nut, etc. due to the operation error, and the sleeve cannot be identified and directly proceeds to the next operation, thereby causing a problem of the product quality being not good.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sleeve and locking device for at least, solve artifical installation operational benefit low, have the hidden danger of fish tail screw thread and incline, neglected loading, nut do not screw up and screw up smooth silk and cause technical problem such as quality is unqualified.

The utility model discloses an aspect provides a sleeve, telescopic tip is provided with the sucking disc, the adsorption plane of sucking disc and the surface looks adaptation of treating the adsorption object, the inside vacuum generator that is provided with of sleeve, vacuum generator with the sucking disc is connected.

Optionally, the central lines of the sleeves are on the same straight line; and/or a concave-convex structure for installing the sucking disc or the vacuum generating device is arranged on the inner wall of the sleeve.

Optionally, the sucking disc is made of an elastic material, and the elastic material is any one of silica gel, rubber or plastic.

Optionally, the number of the vacuum generating devices is at least one, and a connecting pipe is arranged between the vacuum generating devices.

Optionally, the object to be adsorbed is a nut, and the adsorption surface of the suction cup includes an arc surface portion and a prism surface portion.

Another aspect of the present invention provides a locking device, the locking device comprises a motor, a connecting mechanism and a sleeve according to any one of the above, the sleeve passes through the connecting mechanism is fixed on the motor.

Optionally, the locking device further includes a fixing base, and the motor, the connecting mechanism and the sleeve are mounted on the fixing base.

Optionally, the fixed base includes a sleeve fixing seat, a motor fixing seat and a motor mounting plate, and the motor is mounted on the motor mounting plate; the motor fixing seat and the sleeve fixing seat are integrally U-shaped, the first rear end of the sleeve fixing seat is mounted on the motor mounting plate, a circular hole is formed in the first front end of the sleeve fixing seat, and the sleeve is rotatably supported in the circular hole; the motor fixing seat is characterized in that a fixing shaft is arranged between the front end and the rear end of the motor fixing seat, and a spring, an adjusting ring and a motor mounting plate are sleeved on the fixing shaft.

Optionally, the number of the locking devices is at least one, and the locking devices are arranged in parallel; and/or an air inlet pipe is arranged at the rear end of the sleeve, an air outlet hole is further formed in the sleeve, and the air inlet pipe and the air outlet hole are respectively communicated with the vacuum generating device.

Optionally, a camera is further disposed on the fixed base.

Compared with the prior art, the utility model has the advantages of:

the above technical scheme of the utility model the automation and the intellectuality of small-size parts installation such as nut have been realized, have reduced the human cost, have improved assembly efficiency.

Specifically, the nut is prevented from falling off during automatic locking by improving the mode of adsorbing the small parts such as the nut and the like of the sleeve, and a solid foundation is laid for automatic development; simultaneously through collocation controlling means and locking device, realize full-automatic nut lock and attach, it is more stable than artifical fixed, the fault rate is low, and efficiency is higher, has eliminated the line body post bottleneck.

Furthermore, a step of reversely locking the teeth is added in the process of locking the nut, so that the occurrence of poor products such as sliding teeth and the like is ensured.

Drawings

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

FIG. 1 is a schematic perspective view of a sleeve in an embodiment of the present invention;

fig. 2 is a schematic top view of a sleeve according to an embodiment of the present invention;

fig. 3 is a schematic front view of a locking device according to an embodiment of the present invention;

fig. 4 is a schematic side view of a locking device in an embodiment of the invention;

fig. 5 is a side schematic view of another locking device in an embodiment of the invention;

fig. 6 is a schematic perspective view of a locking device according to an embodiment of the present invention.

Reference numerals:

100-a sleeve; 110-a suction cup; 120-a vacuum generating device; 130-connecting tube; 140-an air inlet pipe; 200-a connecting structure; 300-a reducer; 400-motor; 500-a fixed base; 510-a sleeve holder; 511-first front end; 512-a bearing; 513 — a first back end; 520-motor fixing seat; 521-a second rear end; 522-fixed shaft; 523-spring; 524-adjusting ring; 525-a second front end; 530-motor mounting plate; 540-connecting seat; 600-camera.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model discloses in, the definition uses locking device's sleeve direction in fig. 3 as the front end, with locking device's motor direction is the rear end.

Referring to fig. 1 and 2, the first aspect of the present invention discloses a sleeve 100, the end of which is provided with a suction cup 110, of course, the suction cup 110 may be a part of the sleeve. The suction cup 110 is preferably disposed on the inner cavity wall of the sleeve 100, and the suction surface of the suction cup 110 is adapted to the outer surface of the object to be sucked, so that the inner suction surface of the suction cup is tightly attached to the outer surface of the object to be sucked, thereby enhancing the suction effect.

The interior of the sleeve is provided with a vacuum generating means 120, which may be a commercially available vacuum generator. In fig. 1, the number of the vacuum generating devices 120 is one, and the specification and the number of the vacuum generating devices 120 can be selected according to the required suction force during the actual design, and the vacuum generating devices 120 are connected with the suction cup 110, so that the suction cup 110 generates the vacuum suction effect.

In a preferred embodiment, the centerlines of the sleeves 100 are collinear, i.e., the sleeves are straight tubular.

In order to fix the suction cup 110 and the vacuum generator 120, an uneven structure for mounting the suction cup 110 or the vacuum generator 120 is provided on the inner wall of the sleeve 100 so that the suction cup 110 and the vacuum generator 120 can be engaged with each other inside the sleeve 100.

In one embodiment, the suction cup 110 is made of an elastic material, such as any one of silicon gel, rubber or plastic, but any other material with elasticity and certain elasticity can be used, so as to ensure a good adhesion or adsorption effect.

Preferably, the number of the vacuum generating devices 120 is at least one, for example, referring to fig. 3, two vacuum generating devices 120 are arranged in the sleeve 100, and a connecting pipe 130 may be arranged between the vacuum generating devices 120.

In a preferred embodiment, referring to fig. 2, the object to be sucked is a nut, and the sucking surface of the suction cup includes an arc surface portion and a prism surface portion.

In the above embodiment, the upper opening design of the sleeve 100 may be consistent with the nut profile. For example, a typical nut includes a hexagonal prism structure at the bottom and a circular arc portion at the upper end, and thus an embedded suction cup is designed as shown in fig. 2.

The vacuum generating device 120 of the design mode has better effects on absorbing semi-permeable products and irregular contact surfaces, and ensures that the sucker 110 is not dropped off due to close attachment with the circular arc surface nut. Of course, the suction surface of the suction cup can also be designed according to the shapes of nut and screw and other similar small parts.

An embodiment of another aspect of the present invention discloses a locking device, as shown in fig. 3-6, comprising a motor 400, a connecting mechanism 200 and a sleeve 100 according to any one of the above, wherein the sleeve 100 is fixed on the motor 400 through the connecting mechanism 200.

The locking device drives the nut to wait for the rotation of the adsorption object through the rotation of the sleeve 100, thereby realizing the installation and the fixation.

Preferably, the connecting mechanism is a snap-on quick-release connector; a speed reducer 300 is further arranged between the motor 400 and the connecting mechanism 200, and the specification and the reduction ratio of the speed reducer 300 are designed according to the required rotating speed; the motor 400 is a servo motor or a dc motor that is easy to control and can rotate in forward and reverse directions.

In one embodiment, the locking device further includes a fixing base 500, and the motor 400, the coupling mechanism 200 and the sleeve 100 are mounted on the fixing base 500.

The fixing base 500 is preferably provided with an elastic mechanism therein so as to absorb a biasing force generated when the nut or the like is mounted during the mounting and fixing operation.

In a preferred embodiment, the fixing base 500 includes a sleeve holder 510, a motor holder 520, and a motor mounting plate 530, and the motor 400 is mounted on the motor mounting plate 530.

Referring to fig. 4 to 5, the motor fixing seat 520 and the sleeve fixing seat 510 are U-shaped as a whole, specifically, the first rear end 513 of the sleeve fixing seat 510 is mounted on the motor mounting plate 530, the connection mechanism 200 and the sleeve 100 pass through the sleeve fixing seat 510, and a circular hole is formed in the first front end 511 of the sleeve fixing seat 510, and the sleeve 100 is rotatably supported in the circular hole by a bearing 512 or a shaft sleeve.

With reference to fig. 4, a fixing shaft 522 is disposed between the front end and the rear end of the second rear end 521 and the second front end 525 of the motor fixing base 520, and a spring 523, an adjusting ring 524 and the motor mounting plate 530 are sleeved on the fixing shaft 522. The adjustment ring 524 is preferably a T-shaped structure to improve the stability of the structure.

In the above embodiment, when the front end of the sleeve 100 receives the mounting pressure, the mounting pressure is firstly transmitted to the motor mounting fixing plate 530, and both the motor mounting fixing plate 530 and the spring 523 are mounted on the fixing shaft 522, so that the mounting pressure is buffered by the spring 523, and the occurrence of damage such as tooth slipping caused by hard contact during mounting is avoided.

Referring to fig. 6, the fixing base 500 further includes a connecting seat 540 capable of connecting the one or more motor holders with a movement control device (not shown) for moving the locking device.

The number of the locking devices is at least one, and as shown in fig. 3 or fig. 6, the locking devices actually include two locking devices including the motor 400 and the sleeve 100, and the locking devices are arranged in parallel.

Preferably, the telescopic rear end is provided with intake pipe 514, still be provided with the venthole on the sleeve, intake pipe and venthole respectively with vacuum generating device intercommunication, above-mentioned intake pipe 514 and venthole are used for guaranteeing the work that vacuum generating device 120 can normally.

Referring to fig. 6, a camera 600 is further disposed on the fixed base 500, and the specific positions of the object to be adsorbed and the machine to be assembled can be obtained through an image captured by the camera 600.

An embodiment of another aspect of the utility model discloses a nut installation method according to above-mentioned locking device, nut installation method includes following step:

step S100, determining the position of the nut according to the image captured by the camera 600, and moving the locking device according to the position, so that the locking device can suck the nut by using the sleeve 100.

Step S200, moving the locking device to the position near a machine to be assembled, obtaining the position of an installation threaded hole of the machine to be assembled by using an image shot by the camera 600, moving the locking device according to the position of the installation threaded hole, and inserting the nut into the installation threaded hole by using the sleeve 100;

step S300, starting the motor 400, and fastening the nut to the mounting threaded hole.

The above steps can be implemented by a control system of the locking device, specifically by corresponding control through a preset program, so as to implement control of the vacuum generating device 120 and the motor 400, and thus implement and implement installation of the nut on the installation threaded hole of the machine to be assembled.

Preferably, in step S300, the fastening the nut to the mounting threaded hole specifically includes:

the nut is first rotated in a reverse direction by the motor 400 and then rotated in a forward direction to be fastened to the mounting screw hole.

This embodiment has increased the reverse rotation procedure and has avoided the nut to slide the tooth, the lock defect such as not advancing to can feed back and remind after the lock attaches to certain degree of depth, can not continue to push down again, thereby avoid the product defective rate to rise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the invention, moreover, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A sleeve is characterized in that a sucker is arranged at the end of the sleeve, the adsorption surface of the sucker is matched with the outer surface of an object to be adsorbed, a vacuum generating device is arranged in the sleeve and connected with the sucker, and the central line of the sleeve is on the same straight line; and/or a concave-convex structure for installing the sucking disc or the vacuum generating device is arranged on the inner wall of the sleeve.

2. The socket of claim 1, wherein the suction cup is made of an elastic material, and the elastic material is any one of silicone, rubber or plastic.

3. A socket according to claim 1 or claim 2, wherein the number of vacuum generating means is at least one, and a connecting tube is provided between each vacuum generating means.

4. The socket according to claim 1 or 2, wherein the object to be sucked is a nut, and the suction surface of the suction cup includes an arc surface portion and a prism surface portion.

5. A locking device, characterized in that the locking device comprises a motor, a coupling mechanism and a sleeve according to any one of claims 1-4, which sleeve is fixed to the motor by means of the coupling mechanism.

6. The locking device of claim 5, further comprising a fixed base on which the motor, coupling mechanism and sleeve are mounted.

7. The locking device of claim 6, wherein the fixed base comprises a sleeve holder, a motor holder and a motor mounting plate, and the motor is mounted on the motor mounting plate; the motor fixing seat and the sleeve fixing seat are integrally U-shaped, the first rear end of the sleeve fixing seat is mounted on the motor mounting plate, a circular hole is formed in the first front end of the sleeve fixing seat, and the sleeve is rotatably supported in the circular hole; the motor fixing seat is characterized in that a fixing shaft is arranged between the front end and the rear end of the motor fixing seat, and a spring, an adjusting ring and a motor mounting plate are sleeved on the fixing shaft.

8. A locking device according to any one of claims 5 to 7, wherein the number of the locking devices is two, and the locking devices are arranged in parallel; and/or an air inlet pipe is arranged at the rear end of the sleeve, an air outlet hole is further formed in the sleeve, and the air inlet pipe and the air outlet hole are respectively communicated with the vacuum generating device.

9. A locking device according to any one of claims 6 to 7, wherein a camera is also provided on the fixed base.