CN216372198U - Automatic bolt tightening manipulator - Google Patents

Abstract

The utility model provides an automatic bolt tightening manipulator and relates to the technical field of intelligent manufacturing production lines. According to the automatic bolt screwing manipulator, a first servo motor drives a first gear to move along a first rack, and meanwhile, a first sliding block slides along a first guide rail, so that a first supporting seat moves to a horizontal and transverse set position relative to a supporting frame; a second servo motor drives a second gear to move along a second rack, and meanwhile, a second guide rail slides along a second sliding block, so that a second supporting seat moves to a set position in the vertical direction relative to a first supporting seat; the tightening shaft is driven by the horizontal longitudinal push-pull mechanism to move to a horizontal longitudinal set position; in this way, the bolt is tightened by the tightening shaft with the tightening degree of the tightening shaft being set in advance so as to place the tightening shaft close to the position where the bolt is to be tightened, thereby achieving standardization of the tightening degree.

Description

An automatic bolt tightening manipulator

technical field

The utility model relates to the technical field of intelligent manufacturing production lines, in particular to an automatic bolt tightening manipulator.

Background technique

At present, there are a variety of intelligent manufacturing production lines on the automobile assembly line for supporting production and assembly of components. However, the bolt tightening operation of the main bearing cover of the engine still needs to be supplemented by manual operation, which reduces the production and assembly efficiency of the intelligent manufacturing production line. In addition, manual operation is used to tighten the bolts of the main bearing cap of the engine, and it is difficult to standardize the tightening degree of the bolts, which leads to unstable assembly quality of the main bearing cap of the engine and affects the working performance of the engine.

Utility model content

The purpose of the utility model is to provide an automatic bolt tightening manipulator, which solves the technical problem of "currently using manual operation to tighten the bolts, resulting in the difficulty of standardizing the tightening degree of the bolts".

In order to achieve the above object, the technical solution adopted by the present utility model is as follows:

An automatic bolt tightening manipulator includes a support frame, a first support seat and a second support seat;

The support frame is provided with a first rack and a first guide rail, and the first rack and the first guide rail are arranged along the horizontal transverse direction;

The first support base is provided with a first servo motor, the first servo motor is connected with a first gear through a first transmission mechanism, and a first slider is set on the first support base;

the first gear meshes with the first rack, and the first sliding block is slidably connected to the first guide rail;

The first support base is provided with a second sliding block, the first support base is provided with a second servo motor, and the output shaft of the second servo motor is connected to the second gear;

The second support base is provided with a second rack and a second guide rail, and both the second rack and the second guide rail are arranged along the vertical direction;

the second rack meshes with the second gear, and the second guide rail is slidably connected to the second sliding block;

The second support base is provided with a tightening shaft and a horizontal longitudinal push-pull mechanism, and the horizontal longitudinal push-pull mechanism drives the tightening shaft to move along the horizontal longitudinal direction.

Preferably, the horizontal longitudinal push-pull mechanism includes a third servo motor, a lead screw and a lead screw seat, the third servo motor is arranged on the second support seat, and the output shaft of the third servo motor drives the When the screw rotates, the screw seat is slidably connected to the second support seat, the screw seat can move horizontally and longitudinally, the screw seat is matched with the screw, and the tightening shaft is arranged on the screw on the pole seat.

Preferably, the screw rod includes a left screw rod and a right screw rod, the left screw rod and the right screw rod are coaxially arranged, and the rotation directions of the left screw rod and the right screw rod are opposite; the screw rod seat includes a left screw rod and a right screw rod. A screw seat and a right screw seat; the left screw seat is matched with the left screw, the right screw seat is matched with the right screw, and a tightening shaft is arranged on both the left screw seat and the right screw seat.

Preferably, the horizontal and longitudinal push-pull mechanism includes an air cylinder and a push seat, the air cylinder is arranged on the second support seat, the push seat is slidably connected to the second support seat, and the push seat can move along the horizontal longitudinal direction. Moving, the telescopic end of the cylinder is connected to the push seat, and the tightening shaft is arranged on the push seat.

Preferably, the air cylinder includes a left air cylinder and a right air cylinder, the left air cylinder is disposed on the left side of the second support seat, and the right air cylinder is disposed on the right side of the second support seat; the push seat includes a left push seat and The right push seat; the telescopic end of the left cylinder is connected to the left push seat, the telescopic end of the right cylinder is connected to the right push seat, and the left push seat and the right push seat are both provided with tightening shafts.

Preferably, the first transmission mechanism includes a transmission, the output shaft of the first servo motor is connected to the input shaft of the transmission, the output shaft of the transmission is connected to the transmission shaft through a coupling, and the transmission shaft is equipped with a first gear.

Preferably, a first rack is provided on both sides of the support frame, and the transmission is provided with an input shaft and two output shafts, and the first gear on each side meshes with the first rack on the same side.

Preferably, a second sliding block is provided on each side of the first support base, two second guide rails are provided on each side of the second support base, and the second guide rails on each side are slidably connected to the second slide blocks on the same side. piece.

Preferably, the tightening shaft is configured as an electric tightening shaft.

The beneficial technical effects of the present utility model are:

In the automatic bolt tightening manipulator of the utility model, the first servo motor drives the first gear to move along the first rack, and at the same time, the first sliding block slides along the first guide rail, so that the first support seat moves relative to the support frame to The horizontal and transverse setting position; the second gear is driven by the second servo motor to move along the second rack, and at the same time, the second guide rail slides along the second slider, so that the second support seat moves relative to the first support seat to The setting position in the vertical direction; the tightening shaft is moved to the horizontal and vertical setting position by the horizontal and longitudinal push-pull mechanism; in this way, the tightening shaft is placed near the position where the bolt is to be tightened, the bolt is tightened through the tightening shaft, and the tightening shaft The tightening degree is preset to realize the standardization of the tightening degree.

Description of drawings

1 is a perspective view of an automatic bolt tightening manipulator according to an embodiment of the present invention;

Fig. 2 is the partial structure perspective view 1 of the automatic bolt tightening manipulator according to the embodiment of the present invention;

Fig. 3 is the partial structural perspective view 2 of the automatic bolt tightening manipulator according to the embodiment of the present invention;

Fig. 4 is the partial structure front view of the automatic bolt tightening manipulator according to the embodiment of the present invention;

Fig. 5 is the left side view of the partial structure of the automatic bolt tightening manipulator according to the embodiment of the present invention;

Fig. 6 is the partial structure top view of the automatic bolt tightening manipulator according to the embodiment of the present invention;

7 is a bottom view of the partial structure of the automatic bolt tightening manipulator according to the embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solutions and beneficial effects of the present utility model more clearly understood, the present utility model will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. Certain embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings, some but not all embodiments of which are shown. Indeed, various embodiments of the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth in this number; rather, these embodiments are provided so that the invention will satisfy applicable legal requirements.

In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "inside", "outside", "upper", "lower", "front", "rear", etc. The orientation or positional relationship is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a reference to the present utility model. limits. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the embodiment of the present invention, an automatic bolt tightening manipulator is provided, please refer to FIG. 1 to FIG. 7 .

An automatic bolt tightening manipulator includes a support frame 11, a first support base 12, a second support base 13 and the like.

The support frame 11 is provided with a first rack 211 and a first guide rail 311 , and the first rack 211 and the first guide rail 311 are both arranged along a horizontal transverse direction. The first support base 12 is provided with a first servo motor 41 , the first servo motor 41 is connected to the first gear 212 via a first transmission mechanism, and a first slider 312 is set on the first support base 12 . The first gear 212 meshes with the first rack 211 , and the first sliding block 312 is slidably connected to the first guide rail 311 . Driven by the driving of the first servo motor 41 , the first gear 212 moves along the first rack 211 , and at the same time, the first slider 312 slides along the first guide rail 311 , so that the first support base 12 is relative to the support frame 11 Move to the horizontal setting position.

Specifically, the first transmission mechanism includes a transmission 51, the output shaft of the first servo motor 41 is connected to the input shaft of the transmission 51, the output shaft of the transmission 51 is connected to the transmission shaft 53 through the coupling 52, and the end of the transmission shaft 53 is equipped with a first gear 212, the transmission shaft 53 is connected to the first support base 12 through the bearing assembly. In this embodiment, a first rack 211 is provided on both sides of the support frame 11, an input shaft and two output shafts are provided on the transmission 51, and the first gear 212 on each side meshes with the first gear on the same side Article 211. In this way, two sides of the support frame 11 are in contact with two sides of the support frame 11 respectively, leaving a space in the middle of the support frame 11 to facilitate the vertical movement of the second support base 13 .

The first support base 12 is provided with a second sliding block 322 , the first support base 12 is provided with a second servo motor 42 , and the output shaft of the second servo motor 42 is connected to the second gear 222 . A second rack 221 and a second guide rail 321 are provided on the second support base 13 , and both the second rack 221 and the second guide rail 321 are arranged along the vertical direction. The second rack 221 is engaged with the second gear 222 , and the second guide rail 321 is slidably connected to the second sliding block 322 . Driven by the driving of the second servo motor 42, the second gear 222 moves along the second rack 221, and at the same time, the second guide rail 321 slides along the second slider 322, so that the second support base 13 is relative to the first support The seat 12 is moved to a set position in the vertical direction.

Specifically, a second sliding block 322 is provided on each side of the first support base 12 , and two second guide rails 321 are provided on each side of the second support base 13 , and the second guide rails 321 on each side are slidably connected to the same The second slider 322 on the side. In this way, stable dynamic cooperation between the first support base 12 and the second support base 13 is achieved.

The second support base 13 is provided with a tightening shaft 6 and a horizontal longitudinal push-pull mechanism, and the horizontal longitudinal push-pull mechanism drives the tightening shaft 6 to move along the horizontal longitudinal direction. In this way, the tightening shaft 6 is driven by the horizontal and vertical push-pull mechanism to move to the horizontal and vertical set position. Wherein, the tightening shaft 6 in this embodiment is set as an electric tightening shaft.

The horizontal and vertical push-pull mechanism is set to two structural forms:

A horizontal longitudinal push-pull mechanism in a structural form includes a third servo motor 43, a screw (left screw 711 and right screw 712) and screw seats (left screw seat 721 and right screw seat 722). The third servo motor 43 is arranged on the second support base 13, the output shaft of the third servo motor 43 drives the screw to rotate, the screw base is slidably connected to the second support base 13, the screw base can move horizontally and longitudinally, and the screw The seat is matched with the screw rod, and the tightening shaft 6 is arranged on the screw rod seat. Specifically, the left screw 711 and the right screw 712 are coaxially arranged, and the rotation directions of the left screw 711 and the right screw 712 are opposite; the left screw seat 721 is matched with the left screw 711, and the right screw seat 722 is matched with the right screw 712, the left screw seat 721 and the right screw seat 722 are both provided with the tightening shaft 6.

Driven by the third servo motor 43, the left screw base 721 moves along the left screw 711, and the right screw base 722 moves along the right screw 712; at the same time, the left screw base 721 moves along the second support base 13 slides, and the right screw seat 722 slides along the second support seat 13 . In this way, the left screw base 721 and the right screw base 722 drive the tightening shaft 6 to move to the horizontal and vertical set position.

Another structural form of the horizontal longitudinal push-pull mechanism includes an air cylinder (left air cylinder 811 and right air cylinder 812 ) and a push seat (left push seat 821 and right push seat 822 ). The cylinder is arranged on the second support base 13, the push base is slidably connected to the second support base 13, the push base can move horizontally and longitudinally, the telescopic end of the cylinder is connected to the push base, and the tightening shaft 6 is arranged on the push base. Specifically, the left air cylinder 811 is arranged on the left side of the second support seat 13, and the right air cylinder 812 is arranged on the right side of the second support seat 13; the telescopic end of the left air cylinder 811 is connected to the left push seat 821, and the telescopic end of the right air cylinder 812 is connected to The right push seat 822 , the left push seat 821 and the right push seat 822 are all provided with the tightening shaft 6 . In this way, the left push seat 821 and the right push seat 822 drive the tightening shaft 6 to move to the horizontal and vertical set position.

So far, the present embodiment has been described in detail with reference to the accompanying drawings. Based on the above description, those skilled in the art should have a clear understanding of the automatic bolt tightening manipulator of the present invention. In an automatic bolt tightening manipulator of the present invention, the first servo motor 41 drives the first gear 212 to move along the first rack 211 , and at the same time, the first slider 312 slides along the first guide rail 311 to make the first support The seat 12 moves to a horizontal setting position relative to the support frame 11 ; the second gear 222 is driven by the second servo motor 42 to move along the second rack 221 , and at the same time, the second guide rail 321 slides along the second slider 322 , the second support base 13 is moved to the set position in the vertical direction relative to the first support base 12; the tightening shaft 6 is driven by the horizontal longitudinal push-pull mechanism to move to the set position in the horizontal longitudinal direction; in this way, the tightening shaft 6 is placed At the position close to the bolt to be tightened, the bolt is tightened by the tightening shaft 6, and the tightening degree of the tightening shaft 6 is preset to realize the standardization of the tightening degree.

The specific embodiments described above further describe the purpose, technical solutions and beneficial effects of the present invention in detail. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. In the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims (9)

1. An automatic bolt tightening manipulator, characterized in that: it comprises a support frame, a first support base and a second support base; The support frame is provided with a first rack and a first guide rail, and the first rack and the first guide rail are arranged along the horizontal transverse direction; The first support base is provided with a first servo motor, the first servo motor is connected with a first gear through a first transmission mechanism, and a first slider is set on the first support base; the first gear meshes with the first rack, and the first sliding block is slidably connected to the first guide rail; The first support base is provided with a second sliding block, the first support base is provided with a second servo motor, and the output shaft of the second servo motor is connected to the second gear; The second support base is provided with a second rack and a second guide rail, and both the second rack and the second guide rail are arranged along the vertical direction; the second rack meshes with the second gear, and the second guide rail is slidably connected to the second sliding block; The second support base is provided with a tightening shaft and a horizontal longitudinal push-pull mechanism, and the horizontal longitudinal push-pull mechanism drives the tightening shaft to move along the horizontal longitudinal direction. 2 . The automatic bolt tightening manipulator according to claim 1 , wherein the horizontal longitudinal push-pull mechanism comprises a third servo motor, a lead screw and a lead screw seat, and the third servo motor is arranged on the third servo motor. 3 . On the second support base, the output shaft of the third servo motor drives the screw rod to rotate, the screw rod base is slidably connected to the second support base, the screw rod base can move horizontally and longitudinally, and the screw rod The rod seat is matched with the screw rod, and the tightening shaft is arranged on the screw rod seat. 3 . The automatic bolt tightening manipulator according to claim 2 , wherein the screw rod comprises a left screw rod and a right screw rod, the left screw rod and the right screw rod are coaxially arranged, and the left screw rod The rotation directions of the rod and the right screw rod are opposite; the screw rod seat includes a left screw rod seat and a right screw rod seat; the left screw rod seat is matched with the left screw rod, and the right screw rod seat is matched with the right screw rod The left screw seat and the right screw seat are provided with tightening shafts. 4 . The automatic bolt tightening manipulator according to claim 1 , wherein the horizontal longitudinal push-pull mechanism comprises an air cylinder and a push seat, the air cylinder is arranged on the second support seat, and the push seat slides. 5 . The second support seat is connected, the push seat can move along the horizontal and longitudinal directions, the telescopic end of the cylinder is connected to the push seat, and the tightening shaft is arranged on the push seat. 5. The automatic bolt tightening manipulator according to claim 4, wherein the air cylinder comprises a left air cylinder and a right air cylinder, the left air cylinder is arranged on the left side of the second support seat, and the right air cylinder is arranged on the left side of the second support seat. The right side of the second support seat; the push seat includes a left push seat and a right push seat; the telescopic end of the left cylinder is connected to the left push seat, the telescopic end of the right cylinder is connected to the right push seat, the left push seat and the right push seat are connected A tightening shaft is set on the push seat. 6 . The automatic bolt tightening manipulator according to claim 1 , wherein the first transmission mechanism comprises a transmission, the output shaft of the first servo motor is connected to the input shaft of the transmission, and the output shaft of the transmission is connected to the transmission shaft. 7 . The shaft is connected to the transmission shaft, and the transmission shaft is equipped with a first gear. 7. The automatic bolt tightening manipulator according to claim 6, characterized in that: a first rack is provided on both sides of the support frame, and the transmission is provided with an input shaft and two output shafts, and each The first gear on one side meshes with the first rack on the same side. 8 . The automatic bolt tightening manipulator according to claim 1 , wherein a second sliding block is provided on each side of the first support seat, and two second sliding blocks are provided on each side of the second support seat. 9 . Guide rails, the second guide rails on each side are slidably connected to the second sliders on the same side. 9 . The automatic bolt tightening manipulator according to claim 1 , wherein the tightening shaft is configured as an electric tightening shaft. 10 .

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