CN213225027U

CN213225027U - Screw assembling device

Info

Publication number: CN213225027U
Application number: CN202021599061.1U
Authority: CN
Inventors: 周俊源; 张先通; 张升辉
Original assignee: Umeki Precision Industry Zhuhai Co ltd
Current assignee: Umeki Precision Industry Zhuhai Co ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-05-18
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses in the automatic assembly field, thereby for reducing the condition that the spiral shell tool bit takes place the equipment that damages of friction with inhaling, provide a screw assembly device, include: a frame; the screwdriver head is rotatably arranged on the rack; the driving device is arranged on the rack and used for driving the screw cutter head to rotate; the suction nozzle is sleeved on the screwdriver head and used for sucking the screw; the shaft sleeve is arranged between the screwdriver head and the suction nozzle; use the utility model discloses a thereby screw assembly device can reduce the condition emergence of the equipment is damaged in the spiral shell tool bit and the emergence friction of inhaling.

Description

Screw assembling device

Technical Field

The utility model relates to an automatic change assembly field, in particular to screw assembly quality.

Background

In the middle of the current product assembling process, in order to facilitate the automation of grabbing and installing the screw, a suction nozzle is generally sleeved on the periphery of an electric screw driver on the basis of the electric screw driver, the suction nozzle is connected with a vacuumizing device, the screw is sucked to a tool bit of the electric screw driver through the suction force of the suction nozzle, and then the electric screw driver is controlled to rotate to install the screw in place.

In order to ensure that the vacuum pipeline is convenient to install, the suction nozzle needs to have a certain length, the extending-out suction nozzle arranged on the tool bit of the electric screw driver is needed at the moment, and the tool bit is long, so that the tool bit is easy to shake in the rotating process and further rubs with the suction nozzle, and equipment is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a screw assembly quality can reduce thereby the condition emergence that the equipment was damaged in the spiral shell tool bit and the emergence friction of inhaling chewing.

The utility model discloses a screw assembly device, include: the screw driver comprises a rack and two screw driver heads, wherein two driving devices are rotatably arranged on the rack and used for driving the screw driver heads to rotate two suction nozzles which are sleeved on the screw driver heads and used for sucking two shaft sleeves of screws and arranged between the screw driver heads and the suction nozzles.

Further, the shaft sleeve is in interference fit with the suction nozzle, and the shaft sleeve is in clearance fit with the screwdriver head.

Furthermore, a mounting seat is arranged on the rack, a connecting piece is arranged on the mounting seat, the connecting piece is connected with the mounting seat through a screw, the suction nozzle is arranged on the connecting piece, and the shaft sleeve is in interference fit with the connecting piece.

Further, the suction nozzle is in threaded connection with the connecting piece.

Furthermore, a sliding sleeve is arranged inside the suction nozzle, the sliding sleeve is sleeved around the screwdriver head, a spring is connected between the sliding sleeve and the connecting piece, and the sliding sleeve can extend out of the suction nozzle under the action of the spring.

Further, a step portion is provided in the nozzle, and the sliding sleeve can abut against the step portion under the action of the spring.

Further, an air pipe connector is arranged on the suction nozzle and is connected with a vacuumizing device through an air pipe.

Further, a screw assembling apparatus, comprising: the lifting mechanism comprises a fixed support, two lifting cylinders, two lifting slide blocks, a frame, two first balancing weights and two lifting slide blocks, wherein the two lifting slide blocks are arranged on the fixed support, are in driving connection with the lifting cylinders and can lift under the driving of the lifting cylinders, and the frame is arranged on the two first balancing weights on the lifting slide blocks and is arranged on the frame.

Furthermore, a second balancing weight is arranged on the first balancing weight and detachably connected with the first balancing weight.

Furthermore, two second balancing weights are arranged on the first balancing weight and are respectively positioned on two sides of the driving device.

By applying the screw assembling device of the utility model, in the screw assembling process, the screw is firstly sucked to the screwdriver head by the suction nozzle, then the driving device is controlled to drive the screwdriver head to rotate, and the screw is arranged in the component to be assembled; thereby take place the shake and produce eccentric rotation if the spiral shell tool bit in the middle of rotating the process, can butt to the axle sleeve, the axle sleeve can prevent the further eccentric rotation of spiral shell tool bit to touch the suction nozzle this moment to effectively reduce because the eccentric rotation of spiral shell tool bit takes place the friction with the suction nozzle, the condition of the equipment damage that leads to.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

figure 1 is the utility model discloses a screw assembly device's axonometric drawing two

Fig. 2 is an axonometric view of a screw assembling device at another visual angle of the embodiment of the present invention

Fig. 3 is a cross-sectional view of a screw assembling apparatus according to an embodiment of the present invention;

FIG. 4 is an enlarged view at E in FIG. 3;

the above figures contain the following reference numerals.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the present number, and the terms greater than, less than, within, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be interpreted as indicating or implying relative importance or implicit indicating the number of technical features indicated or implicit indicating the precedence of technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, a screw assembling apparatus includes: a frame 100; the screwdriver head 111 is rotationally arranged on the rack 100 and provided with two driving devices, is arranged on the rack 100 and is used for driving the screwdriver head 111 to rotate; the suction nozzle 130 is sleeved on the screwdriver head 111, and the suction nozzle 130 is used for sucking the screw; and a bushing 112 disposed between the screw head 111 and the suction nozzle 130.

By applying the screw assembling device of the embodiment, in the screw assembling process, the suction nozzle 130 sucks the screw to the screwdriver head 111, then the driving device is controlled to drive the screwdriver head 111 to rotate, and the screw is assembled in a component to be assembled; if the screwdriver head 111 shakes in the rotating process to generate eccentric rotation, the eccentric rotation can be abutted to the shaft sleeve 112, and at the moment, the shaft sleeve 112 can prevent the screwdriver head 111 from further eccentric rotation to touch the suction nozzle 130, so that the damage of equipment caused by the friction between the eccentric rotation of the screwdriver head 111 and the suction nozzle 130 is effectively reduced.

The driving device can drive the screwdriver head 111 to rotate in various manners, such as driving the screwdriver head 111 to rotate by using an electric screwdriver 110 widely used in the prior art, or driving the screwdriver head 111 to rotate by using an air cylinder or a hydraulic motor, and the like.

It will be appreciated that it is one practice to connect the nozzle 130 to a vacuum extractor to suck the screws by suction, but other practices may be used herein, such as providing an electromagnet in the nozzle 130, sucking the screws by suction from the electromagnet, etc.

As shown in fig. 4, the sleeve 112 is in interference fit with the suction nozzle 130, and the sleeve 112 is in clearance fit with the screw driver head 111.

As shown in fig. 1 and 4, a mounting seat 120 is arranged on the machine frame 100, a connecting piece 134 is arranged on the mounting seat 120, the connecting piece 134 is connected with the mounting seat 120 through a screw, the suction nozzle 130 is arranged on the connecting piece 134, and the shaft sleeve 112 is in interference fit with the connecting piece 134; when different suction nozzles 130 are required to be disassembled and replaced according to parameters of different screws, the connector 134 can be disassembled from the mounting base 120, replacement is facilitated, and when the suction nozzles 130 are disassembled, the screwdriver head 111 can be exposed outside and is convenient to replace together.

Further, as shown in fig. 4, the suction nozzle 130 and the connecting member 134 may be screwed to facilitate mounting and dismounting of components provided inside the suction nozzle 130.

As shown in fig. 4, a sliding sleeve 132 is arranged inside the suction nozzle 130, the sliding sleeve 132 is sleeved around the screwdriver head 111, a spring 133 is connected between the sliding sleeve 132 and the connecting piece 134, and the sliding sleeve 132 can extend out of the suction nozzle 130 under the action of the spring 133; when the screw is sucked under the vacuum suction effect of the suction nozzle 130, the sliding sleeve 132 and the spring 133 can provide a buffer force for the screw, so that the screw is prevented from being damaged due to overlarge impact force generated between the screw and the screw cutter head 111; the suction nozzle 130 and the connecting member 134 are screwed, so that the sliding sleeve 132 and the spring 133 can be easily fitted into the suction nozzle 130.

As shown in fig. 4, in practical use, in order to ensure smooth rotation of the screwdriver bit 111, a certain gap is kept between the screwdriver bit 111 and the sliding sleeve 132, and the spring 133 is also sleeved around the screwdriver bit 111.

As shown in fig. 4, in order to prevent the sliding sleeve 132 from coming off the suction nozzle 130, a step is provided in the suction nozzle 130, and the sliding sleeve 132 can abut against the step by the spring 133, so that the sliding sleeve 132 is prevented from coming off the suction nozzle 130 while the sliding sleeve 132 is ensured to be able to extend out of the suction nozzle 130.

As shown in fig. 1 and 4, the suction nozzle 130 is provided with an air pipe connector 131, and the air pipe connector 131 is connected to a vacuum extractor through an air pipe.

As shown in fig. 1 and 2, in order to ensure the stability of the whole screw assembling device during the moving process, the screw assembling device comprises: a fixing bracket 200; a lifting cylinder 210 disposed on the fixing bracket 200; the lifting slider 220 is in driving connection with the lifting cylinder 210 and can be driven by the lifting cylinder 210 to lift, and the rack 100 is arranged on the lifting slider 220; the first weight block 140 is disposed on the frame 100.

The first weight block 140 can effectively increase the weight of the lifting portion, and can effectively reduce the swing of the screwdriver 110 during the lifting and operation processes.

As shown in fig. 1 and 2, the first weight block 140 is provided with a second weight block 150, and the second weight block 150 is detachably connected to the first weight block 140, so that whether to install the second weight block 150 can be flexibly determined by combining the operation parameters of the electric screwdriver 110 according to the situation on site; at this time, the second weight block 150 can be detachably connected through various ways such as screw connection, magnetic attraction, clamping and the like.

As shown in fig. 2, two second balancing weights 150 are disposed on the first balancing weight 140, and the two second balancing weights 150 are respectively disposed at two sides of the driving device.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A screw assembling apparatus, comprising:

a frame (100);

the screwdriver head (111) is rotatably arranged on the rack (100);

the driving device is arranged on the rack (100) and is used for driving the screwdriver head (111) to rotate;

the suction nozzle (130) is sleeved on the screwdriver head (111), and the suction nozzle (130) is used for sucking screws;

and the shaft sleeve (112) is arranged between the screwdriver head (111) and the suction nozzle (130).

2. Screw assembly device according to claim 1, wherein the sleeve (112) is in interference fit with the suction nozzle (130), the sleeve (112) being in clearance fit with the screwdriver bit (111).

3. The screw assembling device according to claim 2, wherein the rack (100) is provided with a mounting seat (120), the mounting seat (120) is provided with a connecting piece (134), the connecting piece (134) is connected with the mounting seat (120) through a screw, the suction nozzle (130) is installed on the connecting piece (134), and the shaft sleeve (112) is in interference fit with the connecting piece (134).

4. Screw fitting arrangement according to claim 3, characterised in that the suction nozzle (130) is screwed to the connecting piece (134).

5. Screw assembly device according to claim 3 or 4, wherein a sliding sleeve (132) is arranged inside the suction nozzle (130), the sliding sleeve (132) is sleeved around the screw driver head (111), a spring (133) is connected between the sliding sleeve (132) and the connecting piece (134), and the sliding sleeve (132) can extend out of the suction nozzle (130) under the action of the spring (133).

6. Screw fitting arrangement according to claim 5, characterised in that a step is provided in the suction nozzle (130), against which step the sliding sleeve (132) can abut under the action of the spring (133).

7. Screw assembly device according to claim 1, wherein the suction nozzle (130) is provided with an air pipe connector (131), and the air pipe connector (131) is connected with a vacuum device through an air pipe.

8. The screw fitting apparatus according to claim 1, comprising:

a fixed bracket (200);

the lifting cylinder (210) is arranged on the fixed bracket (200);

the lifting sliding block (220) is in driving connection with the lifting cylinder (210) and can be driven by the lifting cylinder (210) to lift, and the rack (100) is arranged on the lifting sliding block (220);

a first weight block (140) disposed on the frame (100).

9. The screw fitting device according to claim 8, wherein a second weight block (150) is provided on the first weight block (140), the second weight block (150) being detachably connected to the first weight block (140).

10. Screw fitting device according to claim 9, wherein two second weights (150) are provided on said first weight (140), said second weights (150) being located on either side of said driving means.