Anti-torque arm tightening device

Abstract

The utility model relates to the technical field of tightening devices, in particular to an anti-torque arm tightening device which comprises a mounting frame, a connecting frame, a mounting cylinder and a tightening gun, a transverse adjusting mechanism is arranged between the mounting frame and the connecting frame, a longitudinal adjusting mechanism is arranged between the connecting frame and the mounting cylinder, and a height adjusting mechanism is arranged between the mounting cylinder and the tightening gun. The transverse adjusting mechanism comprises first threaded rods rotationally connected to the inner walls of the two sides of the mounting frame, and threaded holes matched with the first threaded rods are formed in the surfaces of the two sides of the connecting frame in a penetrating mode. The height adjusting mechanism and the threaded cylinder drive the tightening gun to move up and down under the rotation of the vertical threaded rod until the tightening gun is moved to the position above a screw to be tightened, at the moment, the tightening gun can be used for tightening, the screw can be tightened directionally and accurately, and the working efficiency is improved. And the conditions that the screw and the screw hole are deviated and the screw is loosened when the screwing gun is held by hand to operate are avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of tightening devices, in particular to an anti-torque arm tightening device. Background Art

[0002] The torque arm is a device that can absorb the reaction force generated by the electric torque screwdriver during operation. When the tightening gun reaches the predetermined torque pause moment, the torque arm absorbs the reaction force, making the operation comfortable and safer.

[0003] During the production and processing of some electrical equipment, different plate structures need to be assembled into one by several screws. At present, during the processing and installation of the assembly line, most of the screws are tightened manually by using a handheld screw gun. However, the handheld tightening method easily causes the screw joint to be offset and is not accurate enough. In addition, the vibration force generated by the screw gun during operation will cause fatigue to the user's hands. In view of this, the utility model proposes an anti-torque arm tightening device. Utility Model Content

[0004] The purpose of the utility model is to provide an anti-torque arm tightening device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-torque arm tightening device, comprising a mounting frame, a connecting frame, a mounting barrel and a tightening gun, wherein a lateral adjustment mechanism is provided between the mounting frame and the connecting frame, a longitudinal adjustment mechanism is provided between the connecting frame and the mounting barrel, and a height adjustment mechanism is provided between the mounting barrel and the tightening gun;

[0006] The lateral adjustment mechanism includes a first threaded rod rotatably connected to the inner walls of both sides of the installation frame, threaded holes matching the first threaded rod are formed on both sides of the connection frame, the connection frame is threadedly connected to the surface of the first threaded rod through the threaded holes, a first motor is fixedly installed on the left side surface of the installation frame, and the output shaft of the first motor extends to the inside of the installation frame and is fixedly connected to the left end of the first threaded rod;

[0007] The longitudinal adjustment mechanism includes a second threaded rod rotatably connected to the front wall and the rear wall of the connecting frame, a second motor is fixedly connected to the back of the connecting frame, an output shaft of the second motor extends to the interior of the connecting frame and is fixedly connected to the rear end of the second threaded rod, a threaded block is threadedly connected to the surface of the second threaded rod, and a lower surface of the threaded block is fixedly connected to the upper end of the mounting tube.

[0008] As a preferred technical solution, two symmetrical guide slide bars are fixedly connected inside the installation frame, and a sliding opening adapted to the guide slide bars is provided on the surface of the connection frame.

[0009] As a preferred technical solution, the height adjustment mechanism includes a vertical screw rotatably connected to the top wall of the mounting cylinder, a motor is fixedly installed on the right surface of the mounting cylinder, the output shaft of the motor extends into the interior of the mounting cylinder and is fixedly connected to the surface of the vertical screw with a bevel gear, and the surface of the vertical screw is threadedly connected to a threaded cylinder.

[0010] As a preferred technical solution, the two bevel gears mesh with each other, and the output shaft of the motor is transmission-connected to the vertical screw via the bevel gears.

[0011] As a preferred technical solution, the lower end of the threaded barrel is rotatably connected to a connecting block via a damping shaft, the lower surface of the connecting block is fixedly connected to two symmetrical mounting disks, the opposite surfaces of the two mounting disks are fixedly connected to a connecting rod, the surface of the connecting rod is rotatably connected to a rotating connecting rod, and the lower end of the rotating connecting rod is fixedly connected to the upper end of the tightening gun.

[0012] As a preferred technical solution, the inner top wall of the connecting block is provided with a mounting groove, the inner top wall of the mounting groove is fixedly connected to an electric push rod, and the telescopic end of the electric push rod is fixedly connected to a stop plate.

[0013] As a preferred technical solution, the lower surface of the abutment plate is fixedly connected with a limiting tooth, the surface of the rotating connecting rod is provided with a plurality of tooth grooves arranged in a circumferential array, and the limiting tooth is engaged with the inner wall of the tooth groove.

[0014] Beneficial Effects

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model uses a height adjustment mechanism. The threaded barrel drives the tightening gun to move up and down under the rotation of the vertical threaded rod until the tightening gun is moved above the screw to be tightened. At this time, the tightening gun can be used to tighten the screw in a directional and accurate manner, avoiding the deviation and loose thread of the screw and the screw hole caused by holding the tightening gun.

[0017] 2. The utility model uses the mounting plate and the position adjustment mechanism to drive the tightening gun to rotate by rotating the rotating connecting rod, so as to tighten the crooked screws, and drives the first threaded rod and the second threaded rod to rotate respectively under the operation of the first motor and the second motor, and the connecting frame drives the tightening gun to move left and right under the rotation of the first threaded rod. At the same time, the threaded block can drive the tightening gun to move forward and backward under the rotation of the second threaded rod, so as to achieve the purpose of adjusting the position of the tightening gun, making it more flexible when used. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the top-down section structure of the utility model;

[0021] Figure 3 It is a schematic diagram of the front section structure of the utility model;

[0022] Figure 4 For the utility model Figure 3 The enlarged structural diagram at A in the middle;

[0023] Figure 5 It is a schematic diagram of the side section structure of the utility model.

[0024] In the figure: 1. installation frame; 2. connection frame; 3. installation cylinder; 4. tightening gun; 5. first threaded rod; 6. first motor; 7. second threaded rod; 8. second motor; 9. threaded block; 10. guide slide rod; 11. vertical screw rod; 12. motor; 13. bevel gear; 14. threaded cylinder; 15. connection block; 16. installation plate; 17. rotating connecting rod; 18. electric push rod; 19. abutment plate; 20. limit teeth; 21. controller; 22. switch button. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] According to the attached Figure 1-5 As shown, an embodiment of the utility model provides an anti-torque arm tightening device, including an installation frame 1, a connecting frame 2, an installation cylinder 3 and a tightening gun 4, a lateral adjustment mechanism is arranged between the installation frame 1 and the connecting frame 2, a longitudinal adjustment mechanism is arranged between the connecting frame 2 and the installation cylinder 3, and a height adjustment mechanism is arranged between the installation cylinder 3 and the tightening gun 4.

[0027] The lateral adjustment mechanism includes a first threaded rod 5 rotatably connected to the inner walls on both sides of the mounting frame 1, threaded holes matching the first threaded rod 5 are penetrated through the surfaces of both sides of the connecting frame 2, the connecting frame 2 is threadedly connected to the surface of the first threaded rod 5 through the threaded holes, a first motor 6 is fixedly installed on the left side surface of the mounting frame 1, the output shaft of the first motor 6 extends to the interior of the mounting frame 1 and is fixedly connected to the left end of the first threaded rod 5, two symmetrical guide slide bars 10 are fixedly connected to the interior of the mounting frame 1, and a sliding opening matching the guide slide bar 10 is opened on the surface of the connecting frame 2.

[0028] The longitudinal adjustment mechanism includes a second threaded rod 7 rotatably connected to the inner front wall and the inner rear wall of the connecting frame 2, a second motor 8 is fixedly connected to the back of the connecting frame 2, the output shaft of the second motor 8 extends to the interior of the connecting frame 2 and is fixedly connected to the rear end of the second threaded rod 7, a threaded block 9 is threadedly connected to the surface of the second threaded rod 7, and the lower surface of the threaded block 9 is fixedly connected to the upper end of the mounting tube 3.

[0029] The height adjustment mechanism includes a vertical screw 11 rotatably connected to the top wall of the mounting cylinder 3, a motor 12 is fixedly installed on the right surface of the mounting cylinder 3, the output shaft of the motor 12 extends to the interior of the mounting cylinder 3 and is fixedly connected to the surface of the vertical screw 11 with a bevel gear 13, the surface of the vertical screw 11 is threadedly connected with a threaded cylinder 14, the two bevel gears 13 are meshed with each other, and the output shaft of the motor 12 is transmission-connected to the vertical screw 11 via the bevel gear 13.

[0030] The lower end of the threaded barrel 14 is rotatably connected to a connecting block 15 via a damping shaft, and the lower surface of the connecting block 15 is fixedly connected to two symmetrical mounting plates 16, and the opposite surfaces of the two mounting plates 16 are fixedly connected to a connecting rod, and the surface of the connecting rod is rotatably connected to a rotating connecting rod 17, and the lower end of the rotating connecting rod 17 is fixedly connected to the upper end of the tightening gun 4.

[0031] A mounting groove is provided on the inner top wall of the connecting block 15, and an electric push rod 18 is fixedly connected to the inner top wall of the mounting groove. A butt plate 19 is fixedly connected to the telescopic end of the electric push rod 18, and a limit tooth 20 is fixedly connected to the lower surface of the butt plate 19. A plurality of tooth grooves arranged in a circular array are provided on the surface of the rotating connecting rod 17, and the limit teeth 20 are engaged with the inner walls of the tooth grooves. A controller 21 and a switch button 22 are respectively provided on the front side of the mounting frame 1 and the left side surface of the tightening gun 4, and the first motor 6, the second motor 8, the motor 12, the electric push rod 18 and the switch button 22 are all connected to the controller 21 signal.

[0032] When the torque-resistant arm tightening device of the utility model is used, the mounting frame 1 is installed above the assembly line. Then, the user holds the tightening gun 4 and controls the first motor 6, the second motor 8, the electric push rod 18 and the motor 12 to operate respectively through the switch button 22. The operation of the motor 12 drives the vertical screw 11 to rotate through the bevel gear 13. The threaded barrel 14 drives the tightening gun 4 to move up and down under the rotation of the vertical screw 11 until the tightening gun 4 is moved above the screw to be tightened. At this time, the tightening gun 4 can be used to perform the tightening operation. At the same time, the electric push rod 18 retracts and drives the abutment plate 19 to move up. Until the limiting teeth 20 on the surface of the abutment plate 19 are separated from the tooth grooves on the surface of the rotating connecting rod 17, the tightening gun 4 can be rotated by rotating the rotating connecting rod 17 without the restriction of the limiting teeth 20, so that the crooked screws can be tightened, and the first threaded rod 5 and the second threaded rod 7 are respectively driven to rotate under the operation of the first motor 6 and the second motor 8. The connecting frame 2 drives the tightening gun 4 to move left and right under the rotation of the first threaded rod 5. At the same time, the threaded block 9 can drive the tightening gun 4 to move forward and backward under the rotation of the second threaded rod 7, so as to achieve the purpose of adjusting the position of the tightening gun 4, making it more flexible when used.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An anti-torque arm tightening device, comprising a mounting frame (1), a connecting frame (2), a mounting tube (3) and a tightening gun (4), characterized in that: A transverse adjustment mechanism is provided between the installation frame (1) and the connection frame (2), a longitudinal adjustment mechanism is provided between the connection frame (2) and the installation tube (3), and a height adjustment mechanism is provided between the installation tube (3) and the tightening gun (4); The lateral adjustment mechanism comprises a first threaded rod (5) rotatably connected to the inner walls on both sides of the installation frame (1); threaded holes matching the first threaded rod (5) are formed through the surfaces of both sides of the connection frame (2); the connection frame (2) is threadedly connected to the surface of the first threaded rod (5) through the threaded holes; a first motor (6) is fixedly mounted on the left side surface of the installation frame (1); an output shaft of the first motor (6) extends into the interior of the installation frame (1) and is fixedly connected to the left end of the first threaded rod (5); The longitudinal adjustment mechanism comprises a second threaded rod (7) rotatably connected to the inner front wall and the inner rear wall of the connection frame (2); a second motor (8) is fixedly connected to the back of the connection frame (2); an output shaft of the second motor (8) extends into the interior of the connection frame (2) and is fixedly connected to the rear end of the second threaded rod (7); a threaded block (9) is threadedly connected to the surface of the second threaded rod (7); and a lower surface of the threaded block (9) is fixedly connected to the upper end of the mounting tube (3).

2. The anti-torque arm tightening device according to claim 1, characterized in that: Two symmetrical guide slide bars (10) are fixedly connected inside the installation frame (1), and a sliding opening matched with the guide slide bars (10) is provided on the surface of the connection frame (2).

3. The anti-torque arm tightening device according to claim 1, characterized in that: The height adjustment mechanism comprises a vertical screw rod (11) rotatably connected to the top wall of the mounting cylinder (3); a motor (12) is fixedly mounted on the right surface of the mounting cylinder (3); an output shaft of the motor (12) extends into the interior of the mounting cylinder (3) and is fixedly connected to the surface of the vertical screw rod (11) with a bevel gear (13); and a threaded cylinder (14) is threadedly connected to the surface of the vertical screw rod (11).

4. The anti-torque arm tightening device according to claim 3, characterized in that: The two bevel gears (13) are meshed with each other, and the output shaft of the motor (12) is transmission-connected to the vertical screw rod (11) via the bevel gears (13).

5. The anti-torque arm tightening device according to claim 3, characterized in that: The lower end of the threaded barrel (14) is rotatably connected to a connecting block (15) via a damping shaft, the lower surface of the connecting block (15) is fixedly connected to two symmetrical mounting plates (16), the opposite surfaces of the two mounting plates (16) are fixedly connected to a connecting rod, the surface of the connecting rod is rotatably connected to a rotating connecting rod (17), and the lower end of the rotating connecting rod (17) is fixedly connected to the upper end of the tightening gun (4).

6. The anti-torque arm tightening device according to claim 5, characterized in that: The inner top wall of the connection block (15) is provided with a mounting groove, the inner top wall of the mounting groove is fixedly connected to an electric push rod (18), and the telescopic end of the electric push rod (18) is fixedly connected to a stop plate (19).

7. The anti-torque arm tightening device according to claim 6, characterized in that: The lower surface of the abutment plate (19) is fixedly connected with a limiting tooth (20), and the surface of the rotating connecting rod (17) is provided with a plurality of tooth grooves arranged in a circumferential array, and the limiting tooth (20) is engaged with the inner wall of the tooth groove.

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