CN113460677A

CN113460677A - Six-elbow telescopic gripper mechanism for tire

Info

Publication number: CN113460677A
Application number: CN202110746400.7A
Authority: CN
Inventors: 靳文泰
Original assignee: Shenyang De Antai Machinery Co ltd
Current assignee: Shenyang De Antai Machinery Co ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2021-10-01

Abstract

The invention relates to the technical field of auxiliary mechanical equipment, in particular to a six-elbow telescopic gripper mechanism for a tire, which comprises a motor, a toothed belt transmission system, a hoisting and fixing aluminum plate, a middle column and a six-elbow expanding mechanism, wherein the motor, the toothed belt transmission system, the hoisting and fixing aluminum plate, the middle column and the six-elbow expanding mechanism are sequentially connected from top to bottom; the motor is connected with the hoisting fixed aluminum plate through the hollow motor base; the toothed belt transmission system is in key connection with the six-elbow expansion mechanism. According to the six-elbow telescopic gripper mechanism for the tire, the rotary joints of the upper arm and the lower arm of the six-elbow telescopic gripper mechanism adopt a gear meshing mode, so that the six-elbow telescopic gripper mechanism has the advantages of light weight, small size, high stability and the like, and can be used for gripping a tire with the size of 400-610 mm in the inner opening of a tire within 135 kg; in addition, can be connected with EMS hoist transfer chain dolly through the fixed aluminum plate of hoist and mount, realize transporting at line automation.

Description

Six-elbow telescopic gripper mechanism for tire

Technical Field

The invention relates to the technical field of auxiliary mechanical equipment, in particular to a six-elbow stretching and contracting type tire gripper mechanism.

Background

Tire snatchs mechanism in the existing market generally adopts double-deck four-bar linkage or other forms, has the problem that can not compatible snatch the big small-size tire that the tire internal orifice is different, and still has the problem that weight is big, bulky, stability is not high.

Disclosure of Invention

The invention aims to provide a six-elbow telescopic type tire gripper mechanism, which solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: a six-elbow stretching-contracting type gripper mechanism for a tire comprises a motor, a toothed belt transmission system, a hoisting fixed aluminum plate, a center column and a six-elbow expanding mechanism which are sequentially connected from top to bottom; the motor is connected with the hoisting fixed aluminum plate through the hollow motor base; the toothed belt transmission system is in key connection with the six-elbow expansion mechanism.

Preferably, the toothed belt transmission system comprises a large belt pulley in key connection with a motor shaft, a tensioning pulley in the middle and a small belt pulley in the middle of the hoisting fixed aluminum plate, and the three are connected through a toothed belt.

Preferably, the six-elbow expansion mechanism comprises a screw rod, six retractable elbow arms and a gripper piece; the upper end of the screw rod is in key connection with the small belt pulley, and the middle end of the screw rod is in threaded connection with a nut connecting flange arranged in the middle column;

the retractable elbow arm comprises an upper arm and a lower arm which are meshed through a gear shaft and a joint gear; the upper arm is connected with the middle column through an upper connecting flange and an upper connecting lug, the upper arm is hinged with the upper connecting lug, and the upper connecting flange penetrates through a long guide groove in the middle column and is connected with the nut connecting flange through a bolt; the six lower arms are connected with the lower connecting flange through lower connecting lugs, and the lower arms are hinged with the lower connecting lugs;

the gripper pieces are mounted at the joint of the upper arm and the lower arm through the connecting plate.

Preferably, the screw rod is further provided with a bearing, and the bearing is positioned at the joint of the hoisting fixed aluminum plate and the screw rod and the joint of the lower connecting flange and the screw rod.

Preferably, the device also comprises an upper limit alarm device and a lower limit alarm device, which are arranged on the middle column through a switch bracket and electrically connected with an external controller.

Preferably, the anti-collision device further comprises a lower anti-collision part which is fixedly arranged on the lower connecting flange and sleeved on the screw rod.

Compared with the prior art, the invention has the following beneficial effects:

the six-elbow telescopic gripper mechanism for the tire, provided by the invention, has the advantages that the upper and lower arm rotary joints adopt a gear meshing mode, the weight is light, the size is small, the stability is high and the like, and the gripper mechanism can be used for gripping a tire with the size of 400mm-610mm in the inner opening of a tire within 135 kg; in addition, can be connected with EMS hoist transfer chain dolly through the fixed aluminum plate of hoist and mount, realize transporting at line automation.

Drawings

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

FIG. 2 is a schematic left-side sectional view of the present invention;

FIG. 3 is a right view of the structure of the present invention.

In the figure: 1. a motor; 2. a toothed belt drive system; 21. a large belt pulley; 22. a tension wheel; 23. a small belt pulley; 24. a toothed belt; 3. hoisting and fixing the aluminum plate; 4. a center pillar; 5. a six-elbow expansion mechanism; 51. a screw rod; 52. a retractable elbow arm; 521. an upper arm; 522. a lower arm; 523. a gear shaft; 524. a joint gear; 525. an upper connecting flange; 526. the upper connecting lug plate; 527. a lower connecting flange; 528. a lower connecting lug; 529. a connecting plate; 53. a grip piece; 54. the nut is connected with the flange; 55. a lower bumper; 56. a bearing; 57. an upper limit alarm device; 58. a lower limit alarm device; 59. switch support.

Detailed Description

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.

Referring to fig. 1-3, the invention provides a six-elbow telescopic gripper mechanism for a tire, which comprises a motor 1, a toothed belt transmission system 2, a hoisting fixed aluminum plate 3, a center pillar 4 and a six-elbow expanding mechanism 5, which are sequentially connected from top to bottom; the motor 1 is connected with a hoisting fixed aluminum plate 3 through a hollow motor base (not shown); the toothed belt drive 2 is keyed to the six-elbow expansion mechanism 5.

The operation principle is as follows:

when the device is used, the motor 1 is connected with the large belt pulley 21 through a key of a motor shaft and the large belt pulley 21 to drive the large belt pulley 21 to rotate, then the small belt pulley 23 is driven to rotate through the transmission of the toothed belt 24, and then the small belt pulley 23 is connected with a lead screw key to drive a lead screw to rotate; the screw rod 51 rotates to drive the nut connecting flange 54 to move up and down, and meanwhile, the upper connecting lug 526 and the upper arm 521 as well as the lower connecting lug 528 and the lower arm 522 rotate relatively; the upper arm 521 and the lower arm 522 rotate through the gear shaft 523 and the joint gear 524, so that the hand grip pieces 53 mounted at the joint of the upper arm 521 and the lower arm 522 are opened and closed in parallel. In addition, the automatic operation of the gripper mechanism can be realized by the upper limit alarm device 57 and the lower limit alarm device 58.

In the invention, the center post 4 is fixed with the hoisting fixing aluminum plate 3 through bolts, the bottom part is fixed with the lower connecting flange 527 through bolts, and the bottom part and the lower connecting flange 527 are fixed with the screw rod bearing 56. The center pillar 4 is formed with three elongated guide grooves so that the nut connecting flange 54 and the upper connecting flange 525 are integrally connected and can reciprocate up and down with respect to the center pillar 4.

The grip piece 53 and the grip piece 53 connecting plate 529 are fixed together through bolts, the grip piece 53 is an aluminum machining piece and has a radian with a tire binding surface, and a flange is arranged at the lower part to prevent the tire from falling off. The connecting plate 529 of the hand grip piece 53, the upper arm 521 and the lower arm 522 are all groove-shaped bending pieces, so that the hand grip piece is high in strength, light in weight and convenient to connect.

Preferably, the toothed belt transmission system 2 comprises a large belt pulley 21 connected with a motor shaft in a key manner, a tension pulley 22 positioned in the middle and a small belt pulley 23 positioned in the middle of the hoisting and fixing aluminum plate 3, which are connected through a toothed belt 24.

Preferably, the six-elbow expansion mechanism 5 comprises a screw 51, six retractable elbow arms 52 and a gripper piece 53; the upper end of the screw rod 51 is in key connection with the small belt pulley 23, and the middle end of the screw rod is in threaded connection with a nut connecting flange 54 arranged in the middle column 4;

the retractable elbow arm 52 comprises an upper arm 521 and a lower arm 522 which are meshed through a gear shaft 523 and an articulated gear 524; the upper arm 521 is connected with the center pillar 4 through an upper connecting flange 525 and an upper connecting lug 526, the upper arm 521 is hinged with the upper connecting lug 526, and the upper connecting flange 525 passes through a long guide groove on the center pillar 4 and is connected with the nut connecting flange 54 through a bolt; the six lower arms 522 are connected to the lower connecting flange 527 by lower connecting tabs 528, and the lower arms 522 are hingedly connected to the lower connecting tabs 528;

the grip piece 53 is mounted to the connection between the upper arm 521 and the lower arm 522 by a connection plate 529.

Preferably, the screw rod 51 is further provided with a bearing 56, which is located at the joint of the hoisting fixed aluminum plate 3 and the screw rod 51 and the joint of the lower connecting flange 527 and the screw rod 51.

Preferably, the device further comprises an upper limit alarm device 57 and a lower limit alarm device 58 which are mounted on the center pillar 4 through a switch bracket 59 and electrically connected with an external controller.

Preferably, the anti-collision device further comprises a lower anti-collision piece 55 fixedly mounted on the lower connecting flange 527 and sleeved on the screw rod 51.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A six-elbow stretching and contracting type gripper mechanism for a tire is characterized by comprising a motor (1), a toothed belt transmission system (2), a hoisting and fixing aluminum plate (3), a middle column (4) and a six-elbow expanding mechanism (5) which are sequentially connected from top to bottom; the motor (1) is connected with the hoisting fixed aluminum plate (3) through a hollow motor base; the toothed belt transmission system (2) is in key connection with the six-elbow expansion mechanism (5).

2. The six-elbow telescopic gripper mechanism for the tire as claimed in claim 1, wherein: the toothed belt transmission system (2) comprises a large belt pulley (21) in key connection with a motor shaft, a tension pulley (22) positioned in the middle and a small belt pulley (23) positioned in the middle of the hoisting fixed aluminum plate (3), and the large belt pulley, the tension pulley and the small belt pulley are connected through a toothed belt (24).

3. The six-elbow telescopic gripper mechanism for the tire as claimed in claim 2, wherein: the six-elbow expansion mechanism (5) comprises a screw rod (51), six retractable elbow arms (52) and a gripper plate (53); the upper end of the screw rod (51) is in key connection with the small belt pulley (23), and the middle end of the screw rod is in threaded connection with a nut connecting flange (54) arranged in the middle column (4);

the retractable elbow arm (52) comprises an upper arm (521) and a lower arm (522), which are meshed through a gear shaft (523) and a joint gear (524); the upper arm (521) is connected with the middle column (4) through an upper connecting flange (525) and an upper connecting lug (526), the upper arm (521) is hinged with the upper connecting lug (526), and the upper connecting flange (525) penetrates through a long guide groove in the middle column (4) and is connected with the nut connecting flange (54) through a bolt; six lower arms (522) are connected to a lower connecting flange (527) by lower connecting tabs (528), and the lower arms (522) are hinged to the lower connecting tabs (528);

the handle piece (53) is installed at the joint of the upper arm (521) and the lower arm (522) through a connecting plate (529).

4. The six-elbow telescopic gripper mechanism for the tire as claimed in claim 3, wherein: and a bearing (56) is further arranged on the screw rod (51) and is positioned at the joint of the hoisting fixed aluminum plate (3) and the screw rod (51) and the joint of the lower connecting flange (527) and the screw rod (51).

5. The six-elbow telescopic gripper mechanism for the tire as claimed in claim 4, wherein: the device also comprises an upper limit alarm device (57) and a lower limit alarm device (58), which are arranged on the center post (4) through switch brackets (59) (59) and are electrically connected with an external controller.

6. The six-elbow telescopic gripper mechanism for the tire as claimed in claim 5, wherein: the anti-collision device is characterized by further comprising a lower anti-collision piece (55) which is fixedly arranged on the lower connecting flange (527) and sleeved on the screw rod (51).