CN214922145U

CN214922145U - A assembly structure for silencer screw

Info

Publication number: CN214922145U
Application number: CN202121315170.0U
Authority: CN
Inventors: 沈建荣; 曾孝强
Original assignee: Chongqing Haoge Electromechanical Co ltd
Current assignee: Chongqing Haoge Electromechanical Co ltd
Priority date: 2021-06-11
Filing date: 2021-06-11
Publication date: 2021-11-30
Anticipated expiration: 2031-06-11

Abstract

The utility model discloses an assembly structure for a silencer screw, which comprises a workbench, wherein a positioning unit is arranged on the workbench; the positioning unit comprises an installation frame, the installation frame is arranged on the workbench, two tightening structures which are matched with each other are arranged on the installation frame, and each tightening structure comprises two tightening pieces which are matched with each other; the tightening piece comprises a first positioning frame, a first air cylinder is arranged on the first positioning frame, a first motor is arranged on the second positioning frame, an output shaft of the first motor is connected with the upper end of the fastening rod, the lower end of the fastening rod movably penetrates through the sliding piece, and a positioning hole is formed in the lower end of the fastening rod. The utility model replaces the existing manual tightening, on one hand, the positioning effect is better, and the inclination generated during the assembly and tightening is avoided, thereby effectively improving the assembly quality; on the other hand, the labor intensity of operators is reduced while the assembly efficiency is improved, and the assembly tool has the advantages of being not easy to damage, simple and convenient to operate, low in manufacturing cost and the like.

Description

A assembly structure for silencer screw

Technical Field

The utility model relates to a screw up the device, specifically speaking, in particular to an assembly structure for silencer screw.

Background

In the prior art, when screws of an engine silencer are screwed, the assembly and the screwing are carried out manually, but on one hand, the screws are assembled and screwed manually, and on the other hand, the screws are positioned without tools, so that the assembly quality is poor (the screws are inclined when being assembled) due to the direct manual screwing, and the reliability is poor; on the other hand, the manual tightening efficiency is slow, and the labor intensity of operators is high.

Those skilled in the art have therefore endeavored to provide an assembly structure for a muffler screw that can effectively solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects in the prior art, the technical problem to be solved in the present invention is to provide an assembling structure for a muffler screw, which can effectively solve the above-mentioned technical problem.

In order to achieve the purpose, the utility model provides an assembly structure for a silencer screw, which comprises a workbench, wherein a positioning unit is arranged on the workbench;

the positioning unit comprises a mounting frame, the mounting frame is arranged on the workbench, two tightening structures matched with each other are arranged on the mounting frame, and each tightening structure comprises two tightening pieces matched with each other;

the tightening part comprises a first positioning frame, a first air cylinder is arranged on the first positioning frame, a piston rod of the first air cylinder is connected with the upper end of a sliding part, two sides of the sliding part are respectively connected with the first positioning frame and a second positioning frame in a sliding mode, a second air cylinder is arranged at the upper end of the sliding part, and a piston rod of the second air cylinder is connected with the second positioning frame; the second positioning frame is provided with a first motor, an output shaft of the first motor is connected with the upper end of the fastening rod, the lower end of the fastening rod movably penetrates through the sliding piece, and the lower end of the fastening rod is provided with a positioning hole;

the lower end of the sliding part is provided with a tightening head, a conveying channel penetrating through the tightening head is arranged in the tightening head, and the lower half section of the fastening rod is movably arranged in the conveying channel; and a first connecting pipe penetrating through the conveying channel is arranged on the tightening head.

Preferably, the mounting frame comprises two upright posts, the upper ends of the upright posts are connected through a cross rod, a support rod is arranged on the cross rod, a main support and two auxiliary supports are respectively arranged on two sides of the support rod, and two tightening pieces are simultaneously arranged on the main support and the auxiliary supports and the support rod respectively; each auxiliary support is provided with a tightening piece, and the heights of the auxiliary supports are different.

Preferably, each first positioning frame comprises a first positioning plate, each first positioning plate is detachably connected with the main support and the auxiliary support respectively, a second positioning plate is arranged at the upper end of each first positioning plate, and the first cylinder is arranged on the second positioning plate;

the slider includes connecting portion, sliding part and extension, the mobilizable passing of piston rod of first cylinder the second locating plate and with the upper end of connecting portion is connected, the second cylinder sets up the upper end of connecting portion, the upper end of sliding part with the lower extreme of connecting portion is connected, the both sides of sliding part respectively with first locating rack and second locating rack sliding connection, the lower extreme of sliding part with the extension is connected, the lower extreme of anchorage bar is through holing mobilizable passing the extension, screw up the head with the lower extreme of extension is connected.

Preferably, a driving pinion is arranged on an output shaft of the first motor, a driven gearwheel meshed with the driving pinion is arranged on the second positioning frame, the driven gearwheel is rotatably connected with the positioning disc, the positioning disc is arranged on the second positioning frame, and the upper end of the fastening rod is connected with the driven gearwheel.

Preferably, the extension part is provided with two positioning rods, and the lower end of each positioning rod is provided with a positioning head.

The utility model has the advantages that: the utility model replaces the existing manual tightening, on one hand, the positioning effect is better, and the inclination generated during the assembly and tightening is avoided, thereby effectively improving the assembly quality; on the other hand, the labor intensity of operators is reduced while the assembly efficiency is improved, and the assembly tool has the advantages of being not easy to damage, simple and convenient to operate, low in manufacturing cost and the like.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the present invention used in cooperation with a rotation fixing unit.

Fig. 3 is a schematic view of a partial structure of the positioning unit of the present invention.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 5 is a schematic structural view of the present invention used in cooperation with the feeding unit and the rotary fixing unit.

Fig. 6 is a schematic structural view of the tightening head of the present invention.

Fig. 7 is a schematic structural view of a rotation fixing unit used in cooperation with the present invention.

Fig. 8 is a partially enlarged structural view at B in fig. 7.

Fig. 9 is a schematic view of the structure of the fixed seat provided with the to-be-screwed part.

Fig. 10 is a schematic structural view of a feeding unit used in cooperation with the present invention.

Fig. 11 is a schematic structural view of the material receiving block used in cooperation with the slider.

Fig. 12 is a schematic view of a part of the structure of the mounting rack of the present invention.

Fig. 13 is a schematic view of the structure of the slider.

Fig. 14 is a schematic structural view of the second spacer.

FIG. 15 is a schematic view of the structure of the distributor.

Fig. 16 is a schematic view of the structure of fig. 15 without the cover plate installed.

Fig. 17 is a schematic structural view of the dispensing box of the present invention.

Fig. 18 is a schematic bottom view of the fastening rod of the present invention.

Detailed Description

The invention will be further explained with reference to the following figures and examples:

in the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

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; can be mechanically or electrically connected; 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 in specific cases to those skilled in the art.

As shown in fig. 1 to 18, an assembly structure for a muffler screw includes a workbench 1, in the present invention, the workbench 1 is disposed on a frame body 107, and a feeding unit 2, a positioning unit 3 and a rotary fixing unit 5 are disposed on the workbench 1;

the feeding unit 2 comprises two vibrating pieces 6; each vibrating piece 6 is respectively connected with a distributor 7, and each distributor 7 is provided with two feeding pipes (not shown in the figure) communicated with the distributor 7; the feeding pipe is made of transparent material and is used for conveying screws in the separator 7 to the first connecting pipe 22 and then into the conveying channel 21.

The positioning unit 3 comprises a mounting frame 8, the mounting frame 8 is arranged on the workbench 1, two mutually matched tightening structures 9 are arranged on the mounting frame 8, and the tightening structures 9 comprise two matched tightening pieces 10;

the tightening piece 10 comprises a first positioning frame 11, a first air cylinder 12 is arranged on the first positioning frame 11, a piston rod of the first air cylinder 12 is connected with the upper end of a sliding piece 13, two sides of the sliding piece 13 are respectively connected with the first positioning frame 11 and a second positioning frame 15 in a sliding mode, a second air cylinder 16 is arranged at the upper end of the sliding piece 13, and a piston rod of the second air cylinder 16 is connected with the second positioning frame 15; the second positioning frame 15 is provided with a first motor 17, an output shaft of the first motor 17 is connected with the upper end of a fastening rod 18, the lower end of the fastening rod 18 movably penetrates through the sliding part 13, and the lower end of the fastening rod 18 is provided with a positioning hole 19;

a tightening head 20 is arranged at the lower end of the sliding member 13, a conveying channel 21 penetrating through the tightening head 20 is arranged in the tightening head 20, and the lower half section of the fastening rod 18 is movably arranged in the conveying channel 21; the tightening head 20 is provided with a first connecting pipe 22 penetrating through the conveying channel 21, and the first connecting pipe 22 is connected with the feeding pipe;

and a rotary fixing unit 5 matched with the positioning unit 3 for use is arranged on the workbench 1.

The feeding unit 2 comprises a vibration disc 23 and a linear vibrator 26, the vibration disc 23 is arranged on the workbench 1, the vibration disc 23 is connected with the linear vibrator 26 arranged on the workbench 1, and the other end of the linear vibrator 26 is connected with the distributor 7.

The distributor 7 comprises a distributing box 27, the lower end of the distributing box 27 is provided with two second connecting pipes 28 penetrating through the distributing box 27, and each feeding pipe is connected with the distributing box 27 through the second connecting pipes 28;

the upper end of the material distribution box 27 is provided with a feed port 29, the feed port 29 is communicated with the feeding unit 2, a slide block 30 is movably arranged in the material distribution box 27, the front end of the slide block 30 is provided with a notch 31 matched with the feed port 29 for use, the slide block 30 is driven by a third air cylinder 32, and the third air cylinder 32 is arranged on the outer side of the material distribution box 27;

be provided with the mounting groove on the slider 30, be provided with material receiving block 99 in the mounting groove, material receiving block 99's upper end with slider 30 upper end flushes, material receiving block 99's front end be provided with spacing mouth 33 that breach 31 cooperation was used, divide magazine 27 upper end to be provided with detachable apron 35, the first half section of apron 35 be provided with spacing mouth 33 and breach 31 cooperation are used straight mouthful 36, the latter half section of apron 35 is seted up two mutual symmetries and is provided with and the bevel connection 37 of intercommunication, and the guide bar 38 can be followed bevel connection 37's direction and removed, the lower extreme of guide bar 38 with material receiving block 99 is connected.

When the utility model is used, the screws in the feeding pipe can directly slide into the conveying channel 21 through the height setting, but in order to make the structure more compact, as a further preference, the distributor is provided with an air inlet pipe, air is conveyed into the feeding pipe through the air inlet pipe, and the screws in the feeding pipe are conveyed into the first connecting pipe 22 and then enter the conveying channel 21 through the air;

each second connecting pipe 28 is provided with a detection unit for detecting whether the screw enters the feeding pipe.

The mounting rack 8 comprises two upright posts 39, the upper ends of the upright posts 39 are connected through a cross bar 50, a support bar 53 is arranged on the cross bar 50, a main bracket 51 and two auxiliary brackets 52 are respectively arranged on two sides of the support bar 53, and the main bracket 51 and the auxiliary brackets 52 are respectively connected with the lower ends of the support bar 53;

two tightening pieces 10 are simultaneously arranged on the main bracket 51; one tightening member 10 is provided to each of the sub-brackets 52, and the height of each of the sub-brackets 52 is different. The utility model discloses in set up two auxiliary stands to set two auxiliary stands to different size of a dimension, for each of being convenient for screw up the head and use with the pore pair cooperation of waiting to screw up the silencer respectively.

Each first positioning frame 11 comprises a first positioning plate 55, each first positioning plate 55 is detachably connected with the main bracket 51 and the auxiliary bracket 52, a second positioning plate 56 is arranged at the upper end of each first positioning plate 55, and the first air cylinder 12 is arranged on the second positioning plate 56;

the sliding member 13 includes a connecting portion 57, a sliding portion 58 and an extending portion 59, the piston rod of the first air cylinder movably penetrates through the second positioning plate 56 and is connected to the upper end of the connecting portion 57, the second air cylinder 16 is disposed at the upper end of the connecting portion 57, the upper end of the sliding portion 58 is connected to the lower end of the connecting portion 57, two sides of the sliding portion 58 are respectively slidably connected to the first positioning frame 11 and the second positioning frame 15, the lower end of the sliding portion 58 is connected to the extending portion 59, the lower end of the fastening rod 18 movably penetrates through the extending portion 59 through a through hole 60, and the tightening head 20 is connected to the lower end of the extending portion 59.

A driving pinion 60 is arranged on an output shaft of the first motor 17, a driven gearwheel 61 meshed with the driving pinion 60 is arranged on the second positioning frame 15, the driven gearwheel 61 is rotatably connected with a positioning disc 62, the positioning disc 62 is arranged on the second positioning frame 15, and the upper end of the fastening rod 18 is connected with the driven gearwheel 61.

Two positioning rods 63 are arranged on the extension part 59, and a positioning head 65 is arranged at the lower end of each positioning rod 63.

The rotary fixing unit 5 comprises a rotary disc 66, and the lower end of the rotary disc 66 is provided with a power source 67 for rotating the rotary disc 66;

the upper end of the rotating disc 66 is provided with a plurality of fixing seats 68, each fixing seat 68 is arranged along the central line of the rotating disc 66 in a circular array, each fixing seat 68 comprises a first fixing plate 69, the first fixing plate 69 is detachably connected with the rotating disc 66, the first fixing plate 69 is provided with two second fixing plates 70 which are symmetrical to each other, the upper end of each second fixing plate 70 is provided with a first inclined surface, two ends of each first inclined surface are provided with positioning seats 72, and each first inclined surface is provided with a first clamping seat 75 and a second clamping seat 76;

the first clamping seat 75 comprises a first clamping plate 77, the front half section of the first clamping plate 77 is attached to a first inclined surface and is located between two positioning seats 72, the front half section of the first clamping plate 77 is detachably connected with the second fixing plate 70 through a screw, two first clamping columns 78 are arranged at the upper end of the rear half section of the first clamping plate 77, a first plane 79 is arranged on each first clamping column 78, a first vertical plate 80 is arranged between the first clamping columns 78, a second inclined surface 81 is arranged at the upper end of each first vertical plate 80, a first opening 82 is arranged at the rear end of the first clamping plate 77, and the first opening 82 is located between the two first clamping columns 78;

the second clamping seat 76 comprises a second clamping plate 83, the front half section of the second clamping plate 83 is attached to the first inclined surface and located between the two positioning seats 72, the front half section of the second clamping plate 83 is detachably connected with the second fixing plate 70 through screws, two second clamping columns 84 are arranged at the upper end of the rear half section of the second clamping plate 83, each second clamping column 84 is provided with a second plane 85 matched with the first plane 79 for use, a second vertical plate 86 is arranged between the second clamping columns 84, the upper end of the second vertical plate 86 is provided with a third inclined surface 87, and an arc-shaped opening 88 is formed in the third inclined surface 87;

the rear end of the second snap-gauge 83 is provided with a second opening symmetrically arranged with the first opening 82, and the second opening is located between two second snap-studs 84.

The utility model discloses in, the number of screwing up the piece is decided according to the screw number of actually screwing up, the utility model discloses the screw that the well muffler was installed is four, so the number of screwing up the piece is four, when in-service use, can carry out corresponding increase or reduction according to specifically waiting to screw up the product

The working principle of the utility model is as follows:

firstly, the silencer to be screwed is arranged on each fixing seat 68, when the silencer is fixed, the silencer 105 is clamped between the two first clamping columns 78 and the two second clamping columns 84 (as shown in a position C in fig. 7), then the shell 106 is sleeved on the silencer, at this time, the two first clamping columns 78 and the two second clamping columns 84 are attached to the inner wall of the shell 106, so that the shell 106 is limited, and the screws can be directly put into the first connecting pipe 22 by hands and then enter the conveying channel 21 to be screwed, in order to further improve the working efficiency and reduce the labor intensity of operators, so that the silencer is matched with the feeding unit 2 for use, specifically, a plurality of screws are placed in each vibration disc 23, the screws are sent into the distributor 7 through the vibration discs 23 and the straight vibration devices 26, and the screws entering the distributor 7 fall into the limiting openings 33 through the feeding openings 29, at this time, the sliding block 30 is pushed by the third cylinder 32, the material receiving block 99 arranged on the sliding block 30 moves along with the sliding block 30, and meanwhile, the guide rod 38 moves along the direction of the bevel opening 37, so that the material receiving block 99 slides, the limiting opening 33 and the notch 31 are not overlapped any more, along with the movement of the material receiving block 99, the lower half section of the screw is pushed by the notch 31, so that the screw falls into the second connecting pipe 28, the screw is sent to the first connecting pipe 22 through the feeding pipe and then enters the conveying channel 21, as a further preference, an air inlet pipe can be arranged on the material distributor, air is conveyed into the feeding pipe through the air inlet pipe, and the screw in the feeding pipe is sent into the first connecting pipe 22 through the air and then enters the conveying channel 21; meanwhile, a detection unit is disposed at each second connection pipe 28, and the detection unit is used for detecting whether the screw enters the feeding pipe. After the screw enters into transfer passage 21, drive slider 13 through starting first cylinder 12 and reciprocate, realize first regulation, after first regulation is accomplished, drive second locating rack 15 through second cylinder 16 and remove to make its first motor 17 that sets up on second locating rack 15 follow the removal, stop after entering into the lower extreme locating hole 19 of anchorage bar 18 until the screw head, start first motor 17 and rotate the screw and screw up.

The utility model discloses in, the screw of waiting to screw up the silencer is four, through setting up four tightening parts 10, carries out the screw tightening to four setpoint 101 simultaneously, accomplish screw up the back carry on next time fix a position through the rotatory rotary disk 66 of power supply 67 can, accomplish the silencer of location and take off shell and inner part simultaneously between can.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The utility model provides an assembly structure for silencer screw, characterized by: the device comprises a workbench (1), wherein a positioning unit (3) is arranged on the workbench (1);

the positioning unit (3) comprises a mounting rack (8), the mounting rack (8) is arranged on the workbench (1), two tightening structures (9) which are matched with each other are arranged on the mounting rack (8), and the tightening structures (9) comprise two tightening pieces (10) which are matched with each other;

the tightening piece (10) comprises a first positioning frame (11), a first air cylinder (12) is arranged on the first positioning frame (11), a piston rod of the first air cylinder (12) is connected with the upper end of a sliding piece (13), two sides of the sliding piece (13) are respectively in sliding connection with the first positioning frame (11) and a second positioning frame (15), a second air cylinder (16) is arranged at the upper end of the sliding piece (13), and a piston rod of the second air cylinder (16) is connected with the second positioning frame (15); a first motor (17) is arranged on the second positioning frame (15), an output shaft of the first motor (17) is connected with the upper end of a fastening rod (18), the lower end of the fastening rod (18) movably penetrates through the sliding part (13), and the lower end of the fastening rod (18) is provided with a positioning hole (19);

the lower end of the sliding part (13) is provided with a tightening head (20), a conveying channel (21) penetrating through the tightening head (20) is arranged in the tightening head (20), and the lower half section of the fastening rod (18) is movably arranged in the conveying channel (21); the tightening head (20) is provided with a first connecting pipe (22) penetrating through the conveying channel (21).

2. The assembling structure for a muffler screw according to claim 1, wherein: the mounting frame (8) comprises two upright posts (39), the upper ends of the upright posts (39) are connected through a cross rod (50), a support rod (53) is arranged on the cross rod (50), a main support (51) and two auxiliary supports (52) are respectively arranged on two sides of the support rod (53), and the main support (51) and the auxiliary supports (52) are respectively connected with the lower ends of the support rod (53);

two tightening pieces (10) are arranged on the main bracket (51) at the same time; each sub-bracket (52) is provided with a tightening piece (10), and the height of each sub-bracket (52) is different.

3. The assembling structure for a muffler screw according to claim 1, wherein: each first positioning frame (11) comprises a first positioning plate (55), each first positioning plate (55) is detachably connected with the main support (51) and the auxiliary support (52), a second positioning plate (56) is arranged at the upper end of each first positioning plate (55), and the first air cylinder (12) is arranged on the second positioning plate (56);

the sliding part (13) comprises a connecting part (57), a sliding part (58) and an extending part (59), a piston rod of the first air cylinder (12) can movably penetrate through the second positioning plate (56) and is connected with the upper end of the connecting part (57), the second air cylinder (16) is arranged at the upper end of the connecting part (57), the upper end of the sliding part (58) is connected with the lower end of the connecting part (57), two sides of the sliding part (58) are respectively connected with the first positioning frame (11) and the second positioning frame (15) in a sliding mode, the lower end of the sliding part (58) is connected with the extending part (59), the lower end of the fastening rod (18) can movably penetrate through the extending part (59) through a through hole, and the fastening head (20) is connected with the lower end of the extending part (59).

4. The assembling structure for a muffler screw according to claim 1, wherein: be provided with drive pinion (60) on the output shaft of first motor (17), be provided with on second locating rack (15) with driven gear wheel (61) of drive pinion (60) meshing, driven gear wheel (61) are rotated with positioning disk (62) and are connected, positioning disk (62) set up on second locating rack (15), the upper end of anchorage bar (18) with driven gear wheel (61) are connected.

5. The assembling structure for a muffler screw according to claim 3, wherein: two positioning rods (63) are arranged on the extension part (59), and the lower end of each positioning rod (63) is provided with a positioning head (65).