CN217801755U

CN217801755U - Mechanical arm for manufacturing mechanical equipment

Info

Publication number: CN217801755U
Application number: CN202221982496.3U
Authority: CN
Inventors: 顾满; 郭兴利; 冯佩佩; 盛青山; 陈元博
Original assignee: Henan Polytechnic Institute
Current assignee: Henan Polytechnic Institute
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-15
Anticipated expiration: 2032-07-29

Abstract

The utility model relates to the technical field of mechanical arms, and discloses a mechanical arm for manufacturing mechanical equipment, has solved to irregular part, though can also realize through the manipulator its centre gripping fixed, because general manipulator centre gripping from both sides, therefore the problem of relatively poor stability to the centre gripping of irregular part, it includes the roof, the symmetrical connection has the link plate on the roof, two link plates are connected with the both ends of bottom plate respectively, be connected with the motor on the roof, the output shaft of motor has the screw rod, the screw rod rotates with the bottom plate to be connected, screw rod and barrel threaded connection, the symmetrical connection has first pull rod on the barrel, two first pull rods rotate with two second pull rods respectively to be connected, two second pull rods rotate with two splint respectively to be connected; the utility model discloses, through the balancing piece that sets up, can make rack and anomalous part remain stable contact throughout through mutually supporting of rack and gear to improve the stability when fixed to anomalous part.

Description

Mechanical arm for manufacturing mechanical equipment

Technical Field

The utility model belongs to the technical field of the manipulator, specifically be a mechanical arm for mechanical equipment manufacturing.

Background

In the process of manufacturing mechanical equipment, a manipulator is required to clamp a part so as to process the part, and the manipulator generally clamps and fixes the part from two sides, so that the stability of clamping the regular part is good, but the above method has the following defects:

for irregular parts, the robot can also clamp and fix the irregular parts, but since the robot clamps the irregular parts from both sides, the stability of clamping the irregular parts is poor.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a mechanical arm is used in mechanical equipment manufacturing, the effectual solution to anomalous part, though also can realize fixing its centre gripping through the manipulator, nevertheless because general manipulator is from both sides centre gripping, consequently the relatively poor problem of stability to the centre gripping of anomalous part.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a mechanical arm for mechanical equipment manufacturing, includes the roof, and symmetrical connection has even the board on the roof, and two even boards are connected with the both ends of bottom plate respectively, be connected with the motor on the roof, the output shaft of motor has the screw rod, and the screw rod rotates with the bottom plate to be connected, screw rod and barrel threaded connection, and symmetrical connection has first pull rod on the barrel, and two first pull rods rotate with two second pull rods respectively to be connected, and two second pull rods rotate with two splint respectively to be connected, and two splint all with bottom plate sliding connection.

Preferably, the screw rod is rotatably connected with the base plate through a bearing, the first pull rod is rotatably connected with the second pull rod through a first pin shaft, and the clamping plate is rotatably connected with the second pull rod through a second pin shaft.

Preferably, the clamping plate is connected with a limiting block, the bottom plate is provided with a limiting groove, and the limiting block is connected with the limiting groove in a sliding manner.

Preferably, evenly be connected with the balancing piece on the splint, the balancing piece includes the mounting bracket of being connected with splint, rotates on the mounting bracket and is connected with the gear, and the symmetry meshing is connected with the rack on the gear, rack and guide bar sliding connection, splint one side symmetry set up flutedly, guide bar and groove connection.

Preferably, one end of the guide rod is connected with a sliding block, the sliding block is connected with a sliding groove in the rack in a sliding mode, the guide rod is sleeved with a spring, and the spring is located in the sliding groove.

Preferably, the radius of the sliding block is larger than the notch radius of the sliding groove, and the notch area of the groove is larger than the cross section area of the rack.

Preferably, the top end of the top plate is symmetrically provided with mounting holes, and the mounting holes are connected with external equipment through screws.

Compared with the prior art, the beneficial effects of the utility model are that:

1) In the work, the motor, the screw rod, the clamping plate and the like are matched for use, the screw rod can be driven by the motor to move, and the clamping plate is finally driven to realize the clamping process of regular parts;

2) In operation, through the balancing piece that sets up, can make rack and anomalous part remain stable contact all the time through mutually supporting of rack and gear to stability when improving the fixed to anomalous part.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram in an embodiment of the present invention;

FIG. 2 is a schematic structural view of a balance member according to an embodiment of the present invention;

fig. 3 is a schematic view of a rack mounting structure in an embodiment of the present invention;

in the figure: 1. a top plate; 2. connecting plates; 3. a base plate; 4. a motor; 5. a screw; 6. a cylinder body; 7. a first pull rod; 8. a second pull rod; 9. a splint; 10. a limiting block; 11. a limiting groove; 13. a balance member; 131. a mounting frame; 132. a gear; 133. a rack; 134. a guide bar; 135. a groove; 136. a slider; 137. a chute; 138. a spring.

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 some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The first embodiment is given by fig. 1-3, the utility model relates to a mechanical arm for manufacturing mechanical equipment, which comprises a top plate 1, wherein mounting holes are symmetrically formed in the top end of the top plate 1, the mounting holes are connected with external equipment through screws, connecting plates 2 are symmetrically connected to the top plate 1, the two connecting plates 2 are respectively connected with two ends of a bottom plate 3, a motor 4 is connected to the top plate 1, a screw 5 is connected to an output shaft of the motor 4, the screw 5 is rotatably connected with the bottom plate 3, the screw 5 is in threaded connection with a cylinder 6, first pull rods 7 are symmetrically connected to the cylinder 6, the two first pull rods 7 are respectively rotatably connected with two second pull rods 8, the two second pull rods 8 are respectively rotatably connected with two clamping plates 9, and the two clamping plates 9 are both slidably connected with the bottom plate 3;

during the use, fix roof 1 in suitable position department, when needs fix the part, only need drive screw rod 5 through motor 4 and rotate, screw rod 5 drives barrel 6 motion through the mode of screw thread, and barrel 6 drives the motion of second pull rod 8 through driving first pull rod 7, and second pull rod 8 drives splint 9 motion, and splint 9 moves along bottom plate 3 to fix the part through splint 9 of moving in opposite directions.

Specifically, screw rod 5 and bottom plate 3 pass through the bearing and rotate and be connected, can reduce frictional force through the bearing, rotate through first round pin axle between first pull rod 7 and the second pull rod 8 and be connected, rotate through the second round pin axle between splint 9 and the second pull rod 8 and be connected, are connected with stopper 10 on the splint 9, have seted up spacing groove 11 on the bottom plate 3, and sliding connection between stopper 10 and the spacing groove 11 can guarantee splint 9 horizontal motion on bottom plate 3.

Further, the balance pieces 13 are uniformly connected to the clamping plate 9, each balance piece 13 comprises a mounting frame 131 connected to the clamping plate 9, a gear 132 is rotatably connected to the mounting frame 131, racks 133 are symmetrically meshed and connected to the gear 132, and when the racks 133 are in contact with the part, due to the arrangement of the gear 132, the two racks 133 can be respectively in contact with different places on the part; the rack 133 is connected with the guide rod 134 in a sliding manner, grooves 135 are symmetrically formed in one side of the clamping plate 9, and the guide rod 134 is connected with the grooves 135; one end of the guide rod 134 is connected with a sliding block 136, and the sliding block 136 is in sliding connection with a sliding groove 137 in the rack 133, so that the rack 133 can be well guided and can stably move in the horizontal direction; a spring 138 is sleeved on the guide rod 134, and the spring 138 is positioned in the sliding groove 137; the radius of the slider 136 is greater than the notch radius of the slide groove 137, and the notch area of the groove 135 is greater than the cross-sectional area of the rack 133;

when the balancing piece 13 is in contact with the surface of the part in use, one of the racks 133 is firstly in contact with the part, then under the reaction of the part to one of the racks 133, one of the racks 133 drives the gear 132 to rotate in a meshing manner, and the gear 132 drives the other rack 133 to be in contact with the part in a meshing manner, so that when the part with an irregular shape is faced, the fixing stability of the part can be improved through the balancing piece 13.

Claims

1. The utility model provides a mechanical arm for mechanical equipment manufacturing, includes roof (1), and symmetrical connection has even board (2) on roof (1), and two even boards (2) are connected with the both ends of bottom plate (3) respectively, a serial communication port, be connected with motor (4) on roof (1), the output shaft of motor (4) has screw rod (5), and screw rod (5) rotate with bottom plate (3) to be connected, and screw rod (5) and barrel (6) threaded connection, the symmetrical connection has first pull rod (7) on barrel (6), and two first pull rod (7) rotate with two second pull rod (8) respectively to be connected, and two second pull rod (8) rotate with two splint (9) respectively to be connected, and two splint (9) all with bottom plate (3) sliding connection.

2. The robot hand for manufacturing mechanical equipment according to claim 1, wherein: the screw rod (5) is rotatably connected with the base plate (3) through a bearing, the first pull rod (7) is rotatably connected with the second pull rod (8) through a first pin shaft, and the clamping plate (9) is rotatably connected with the second pull rod (8) through a second pin shaft.

3. The robot hand for manufacturing mechanical equipment according to claim 1, wherein: the clamping plate (9) is connected with a limiting block (10), the bottom plate (3) is provided with a limiting groove (11), and the limiting block (10) is connected with the limiting groove (11) in a sliding mode.

4. The robot hand for manufacturing mechanical equipment according to claim 1, wherein: evenly be connected with balancing piece (13) on splint (9), balancing piece (13) include mounting bracket (131) be connected with splint (9), rotate on mounting bracket (131) and be connected with gear (132), and the symmetry meshing is connected with rack (133) on gear (132), and rack (133) and guide bar (134) sliding connection, splint (9) one side symmetry seted up recess (135), and guide bar (134) are connected with recess (135).

5. The robot hand for manufacturing mechanical equipment according to claim 4, wherein: one end of the guide rod (134) is connected with a sliding block (136), the sliding block (136) is in sliding connection with a sliding groove (137) in the rack (133), the guide rod (134) is sleeved with a spring (138), and the spring (138) is located in the sliding groove (137).

6. The robot hand for manufacturing mechanical equipment according to claim 5, wherein: the radius of the sliding block (136) is larger than the notch radius of the sliding groove (137), and the notch area of the groove (135) is larger than the cross-sectional area of the rack (133).

7. The robot hand for manufacturing mechanical equipment according to claim 1, wherein: the top end of the top plate (1) is symmetrically provided with mounting holes, and the mounting holes are connected with external equipment through screws.