CN113442087A

CN113442087A - Blow little draw ratio screw of nail formula and tighten up axle

Info

Publication number: CN113442087A
Application number: CN202110552733.6A
Authority: CN
Inventors: 盛冬平; 顾佳威; 徐红丽; 胡少刚; 何亚峰; 门艳忠
Original assignee: Changzhou Institute of Technology
Current assignee: Changzhou Institute of Technology
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-09-28
Anticipated expiration: 2041-05-20
Also published as: CN113442087B

Abstract

The invention relates to a blow-nailing type screw tightening shaft with a small length-diameter ratio, which comprises a fixing plate, wherein an electric tightening gun slides on the fixing plate, a copper sleeve seat is fixed at the bottom of the fixing plate, an installation module is rotatably arranged on the copper sleeve seat, a hard rail for placing screws is further fixed on one side of the fixing plate, the position of the installation module corresponds to the position of a discharge hole of the hard rail, and the electric tightening gun is used for tightening the screws in the installation module. The invention solves the problem that the conventional tightening shaft can not realize the feeding of the screws with small length-diameter ratio by using a blow-feeding type feeding method at present, and obviously improves the feeding and tightening efficiency of the screws with small length-diameter ratio; the mode that the clamping flaps need to be opened through the air cylinder to achieve screwing in a conventional screwing shaft is eliminated, and the simplified design of the structure is achieved.

Description

Blow little draw ratio screw of nail formula and tighten up axle

Technical Field

The invention relates to the technical field of mechanical tools, in particular to a blow-type screw tightening shaft with a small length-diameter ratio.

Background

The tightening shaft is generally applied to the automatic assembly industry, but the types of the tightening shaft are more:

the parts are distinguished according to the types of the parts, and comprise nuts, screws and the like;

according to different feeding modes, the nail blowing type and the nail sucking type are mainly divided. The nail blowing type efficiency is high, the speed is high, and the ceiling type efficiency is lower; the blow-type is mainly applied to screws with a length-diameter ratio larger than 1.3, while the suction-type is often used for micro-screws or screws with a length-diameter ratio smaller than 1.3.

Considering that for the screw tightening shaft with the length-diameter ratio of less than 1.3, the movement stroke is large, so that the time is long and the efficiency is low because the screw tightening shaft needs to grab the screw from the screw feeding position and then goes to the working position for tightening.

Disclosure of Invention

The invention provides a blow-nailing type small-length-diameter-ratio screw tightening shaft, which aims to solve the problem of low tightening efficiency of small-length-diameter-ratio screws and comprises a fixing plate, wherein an electric tightening gun slides on the fixing plate, a copper sleeve seat is fixed at the bottom of the fixing plate, an installation module rotates on the copper sleeve seat, a hard rail for placing screws is further fixed on one side of the fixing plate, the position of the installation module corresponds to the position of a discharge hole of the hard rail, and the electric tightening gun is used for tightening the screws in the installation module.

Preferably, a motor is fixed on the copper sleeve seat, the motor penetrates the copper sleeve seat to be in transmission connection with the connecting rod, the other end of the connecting rod is provided with a convex edge, and the installation module is connected with the convex edge. The motor drives the connecting rod to rotate, so that the position of the installation module can be adjusted, the installation module can rotate to the discharge port of the hard track to take the screw, then the motor drives the installation module to reset, the position of the electric tightening gun is adjusted, and the screw in the installation module is screwed into a required place. The motor drives the connecting rod to rotate, so that the mounting module is driven to rotate, the structure is more automatic, and the operation is convenient.

Further, the installation module includes left clamp lamella and right clamp lamella, left mounting hole and right mounting hole have been seted up on the flange, left side clamp lamella rotates through the round pin axle to be set up in the left side mounting hole, right side clamp lamella also rotates through the round pin axle to be set up in the right side mounting hole, left side clamp lamella and right clamp lamella cooperation are used for placing the screw, still be fixed with erection column one and erection column two on left side clamp lamella and the right clamp lamella respectively, be connected with the spring between erection column one and the erection column two. Left side clamp lamella and right clamp lamella can rotate on the chimb, and under the effect of spring, left side clamp lamella and right clamp lamella keep the clamping state under the condition of not atress, and when needs were screwed up the screw, electronic tightening gun downstream struts left side clamp lamella and right clamp lamella, and after screwing in the position that needs with the screw, electronic tightening gun reset, and left side clamp lamella and right clamp lamella reset, keep clamping state. The mode that the left clamping flap and the right clamping flap are opened by the air cylinder is omitted, the structure is simpler, and the use is convenient.

Preferably, the left clamping flap and the right clamping flap are respectively provided with a semicircular groove, and the semicircular grooves are spliced to form mounting grooves for placing the screws. The shape and size of mounting groove are unanimous with the shape and size of screw, and the mounting groove can be used for placing the screw, guarantees the stability of screw when the wrong needs position.

Further, a sliding rail is fixed on the fixing plate, a sliding block slides on the sliding rail, a mounting seat is fixedly connected to the bottom of the sliding block, and the electric tightening gun is mounted on the mounting seat. The slider can slide on the slide rail, and the slider drives the electronic rifle of screwing up on the mount pad and slides to realize reciprocating of electronic rifle of screwing up, satisfy the screw and screw up work.

Preferably, the mounting seat is further provided with a clamping seat, and the clamping seat fixes the electric tightening gun on the mounting seat.

Further, the upper end of the sliding block is connected with an air cylinder, and the air cylinder is fixed on the fixing plate through a gun seat. The cylinder drives the slider to slide from top to bottom, thereby driving the electronic rifle of screwing up on the mount pad to slide, satisfying the screw and screwing up work.

Has the advantages that: the invention solves the problem that the conventional tightening shaft can not realize the feeding of the screws with small length-diameter ratio by using a blow-feeding type feeding method at present, and obviously improves the feeding and tightening efficiency of the screws with small length-diameter ratio; the mode that the clamping flaps need to be opened through the air cylinder to achieve screwing in a conventional screwing shaft is eliminated, and the simplified design of the structure is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is another schematic view of the overall structure of the present invention;

FIG. 4 is an enlarged view of FIG. 3 at B;

in the figure: 1. a fixing plate; 2. electrically tightening the gun; 3. a copper sleeve seat; 4. a hard track; 5. installing a module; 5-1, clamping the valve at the left side; 5-2, right clamping flap; 6. a motor; 7. a connecting rod; 8. a convex edge; 9. A left mounting hole; 10. a right mounting hole; 11. a screw; 12. mounting a first column; 13. mounting a second column; 14. a spring; 15. mounting grooves; 16. a slide rail; 17. a slider; 18. a mounting seat; 19. A card holder; 20. a cylinder; 21. a gun seat; 22. and (7) a pin shaft.

Detailed Description

In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it is to be understood that the terms "upper", "top", "bottom", and the like, as used herein, refer to an orientation or positional relationship based on that shown in the drawings, which is for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be taken as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.

Example 1

The utility model provides a blow little draw ratio screw tightening axle of nail formula, includes fixed plate 1, it has electronic rifle 2 of screwing up to slide on the fixed plate 1, the bottom of fixed plate 1 is fixed with copper sheathing seat 3, it has installing module 5 to rotate on the copper sheathing seat 3, one side of fixed plate 1 is still fixed with the hard track 4 that is used for placing screw 11, installing module 5 the position with the position of the discharge gate of hard track 4 is corresponding, electronic rifle 2 of screwing up is used for screwing up screw 11 in the installing module 5.

Be fixed with motor 6 on the copper sheathing seat 3, motor 6 passes copper sheathing seat 3 is connected with the transmission of connecting rod 7, the other end of connecting rod 7 is equipped with chimb 8, installation module 5 with chimb 8 is connected. The motor 6 drives the connecting rod 7 to rotate, so that the position of the installation module 5 can be adjusted, the installation module 5 can rotate to the discharge hole of the hard rail 4 to take the screw 11, then the motor 6 drives the installation module 5 to reset, the electric tightening gun 2 is adjusted to the position, and the screw 11 in the installation module 5 is screwed into a required place. The motor 6 drives the connecting rod 7 to rotate, so that the mounting module 5 is driven to rotate, the structure is more automatic, and the operation is convenient.

Installation module 5 includes left clamp lamella 5-1 and right clamp lamella 5-2, left mounting hole 9 and right mounting hole 10 have been seted up on the chimb 8, left side clamp lamella 5-1 rotates through round pin axle 22 and sets up in left side mounting hole 9, right side clamp lamella 5-2 also rotates through round pin axle 22 and sets up in right side mounting hole 10, left side clamp lamella 5-1 and right clamp lamella 5-2 cooperation are used for placing screw 11, still be fixed with erection column one 12 and erection column two 13 on left side clamp lamella 5-1 and the right clamp lamella 5-2 respectively, be connected with spring 14 between erection column one 12 and the erection column two 13. The left clamping flap 5-1 and the right clamping flap 5-2 can rotate on the convex edge 8, under the action of the spring 14, the left clamping flap 5-1 and the right clamping flap 5-2 are kept in a clamping state under the condition of no stress, when the screw 11 needs to be screwed, the electric tightening gun 2 moves downwards to prop open the left clamping flap 5-1 and the right clamping flap 5-2, after the screw 11 is screwed to a required position, the electric tightening gun 2 resets, the left clamping flap 5-1 and the right clamping flap 5-2 reset, and the clamping state is kept. The mode that the left clamping flap 5-1 and the right clamping flap 5-2 are opened by the air cylinder 20 is omitted, the structure is simpler, and the use is convenient.

The left clamping flap 5-1 and the right clamping flap 5-2 are respectively provided with a semicircular groove, and the two semicircular grooves are spliced to form a mounting groove 15 for placing the screw 11. The shape and size of the mounting groove 15 are consistent with those of the screw 11, and the mounting groove 15 can be used for placing the screw 11, so that the stability of the screw 11 when being screwed into a required position is ensured.

The fixing plate is characterized in that a sliding rail 16 is fixed on the fixing plate 1, a sliding block 17 slides on the sliding rail 16, the bottom of the sliding block 17 is fixedly connected with a mounting seat 18, and the electric tightening gun 2 is mounted on the mounting seat 18. The slider 17 can slide on the slide rail 16, and the slider 17 drives the electronic rifle 2 of screwing up on the mount pad 18 and slides to realize electronic rifle 2 of screwing up reciprocating, satisfy screw 11 and screw up work.

The mounting seat 18 is further provided with a clamping seat 19, and the electric tightening gun 2 is fixed on the mounting seat 18 through the clamping seat 19.

The upper end of the sliding block 17 is connected with an air cylinder 20, and the air cylinder 20 is fixed on the fixing plate 1 through a gun seat 21. The air cylinder 20 drives the sliding block 17 to slide up and down, so that the electric tightening gun 2 on the mounting seat 18 is driven to slide, and the tightening work of the screw 11 is met.

The working principle is as follows: the motor 6 is rotated, the motor 6 drives the connecting rod 7 to rotate, the connecting rod 7 drives the installation module 5 to rotate, the installation module 5 is aligned with the discharge hole of the hard track 4, then the screw 11 is placed into the hard track 4, and the screw 11 falls into the installation groove 15 formed by splicing the left clamping flap 5-1 and the right clamping flap 5-2 of the installation module 5 from the hard track 4. The motor 6 rotates to drive the installation module 5 to reset. The cylinder 20 begins work, drives the slider 17 motion downwards, and the slider 17 downward motion, the electronic batch head of screwing up rifle 2 aims at screw 11, then electronic rifle 2 work of screwing up, and electronic rifle 2 of screwing up is under the drive of cylinder 20, and downward motion ceaselessly, and the batch head of electronic rifle 2 of screwing up is rotary motion simultaneously, screws up screw 11. In the process, the electric tightening gun 2 downwards extrudes the screw 11, the screw 11 downwards applies force, so that the left clamping flap 5-1 and the right clamping flap 5-2 are propped by the screw 11, the screw 11 is separated from the mounting groove 15 and screwed into a required position, then the electric tightening gun 2 stops working, the air cylinder 20 drives the electric tightening gun 2 to move upwards, the left clamping flap 5-1 and the right clamping flap 5-2 are reset under the action of the spring 14, the two semicircular grooves are continuously spliced to form the mounting groove 15, and the next working is waited.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a blow little length-diameter ratio screw tightening shaft of nail formula which characterized in that: including fixed plate (1), it has electronic rifle (2) of screwing up to slide on fixed plate (1), the bottom of fixed plate (1) is fixed with copper sheathing seat (3), it has installing module (5) to rotate on copper sheathing seat (3), one side of fixed plate (1) still is fixed with hard track (4) that are used for placing screw (11), the position of installing module (5) with the position of the discharge gate of hard track (4) is corresponding, electronic rifle (2) of screwing up is used for twisting screw (11) in installing module (5).

2. The blow-nailed low aspect ratio screw tightening shaft of claim 1, wherein: be fixed with motor (6) on copper sheathing seat (3), motor (6) pass copper sheathing seat (3) are connected with connecting rod (7) transmission, the other end of connecting rod (7) is equipped with chimb (8), installation module (5) with chimb (8) are connected.

3. The blow-nailed low aspect ratio screw tightening shaft of claim 2, wherein: installation module (5) press from both sides lamella (5-1) and right side and press from both sides lamella (5-2) including a left side, left mounting hole (9) and right mounting hole (10) have been seted up on chimb (8), a left side presss from both sides lamella (5-1) and rotates through round pin axle (22) and sets up in left side mounting hole (9), right side presss from both sides lamella (5-2) and also rotates through round pin axle (22) and sets up in right side mounting hole (10), a left side presss from both sides lamella (5-1) and right side and presss from both sides lamella (5-2) cooperation and be used for placing screw (11), it is fixed with erection column one (12) and erection column two (13) still respectively on left side clamp lamella (5-1) and the right side presss from both sides lamella (5-2), be connected with spring (14) between erection column one (12) and erection column two (13).

4. The blow-nailed low aspect ratio screw tightening shaft of claim 3, wherein: the left clamping flap (5-1) and the right clamping flap (5-2) are respectively provided with a semicircular groove, and the semicircular grooves are spliced to form a mounting groove (15) for placing the screw (11).

5. The blow-nailed low aspect ratio screw tightening shaft of claim 1, wherein: the electric tightening gun is characterized in that a sliding rail (16) is fixed on the fixing plate (1), a sliding block (17) slides on the sliding rail (16), a mounting seat (18) is fixedly connected to the bottom of the sliding block (17), and the electric tightening gun (2) is mounted on the mounting seat (18).

6. The blow-nailed low aspect ratio screw tightening shaft of claim 5, wherein: the mounting seat (18) is further provided with a clamping seat (19), and the electric tightening gun (2) is fixed on the mounting seat (18) through the clamping seat (19).

7. The blow-nailed low aspect ratio screw tightening shaft of claim 5, wherein: the upper end of the sliding block (17) is connected with an air cylinder (20), and the air cylinder (20) is fixed on the fixing plate (1) through a gun seat (21).