CN210452805U

CN210452805U - Mechanical clamping jaw for mechanical manufacturing

Info

Publication number: CN210452805U
Application number: CN201921095259.3U
Authority: CN
Inventors: 欧元伍
Original assignee: Zunyi Lihui Technology Co Ltd
Current assignee: Zunyi Lihui Technology Co Ltd
Priority date: 2019-07-14
Filing date: 2019-07-14
Publication date: 2020-05-05
Anticipated expiration: 2029-07-14

Abstract

The utility model discloses a mechanical clamping jaw for machine manufacturing, which comprises a connecting frame, a motor and mechanical clamping jaw arms, wherein the bottom end of the connecting frame is horizontally and fixedly connected with a connecting plate, the upper surface of the connecting plate is vertically and fixedly connected with a sliding plate positioned in the connecting frame, the sliding plate is internally provided with a sliding groove, and a sliding block is connected between the inner walls of the sliding groove in a sliding way, the utility model can lead the two mechanical clamping jaw arms to extend or contract more freely by utilizing the lever principle, simultaneously utilizes the motor to rotate at a transmission end, realizes the reciprocating contraction or extension of the two mechanical clamping jaw arms by taking a hinged plate as a pivot under the limit of the sliding block and the sliding groove, simultaneously utilizes a buffer spring to avoid the over-fast rotation of the motor to cause the over-strong clamping force of the two mechanical clamping jaw arms to cause equipment damage, has better protection performance, is respectively provided with clamping saw teeth on, the whole device is simpler to operate, more convenient to use, more sufficient in gripping force and more stable in clamping.

Description

Mechanical clamping jaw for mechanical manufacturing

Technical Field

The utility model relates to a clamping jaw, in particular to mechanical clamping jaw for machine-building belongs to mechanical equipment technical field.

Background

The mechanical clamping jaw is automatic operation equipment which is similar to a hand and can be grabbed and operated, the existing mechanical clamping jaw mostly adopts a hydraulic cylinder or a telescopic device as transmission force to realize stretching or stretching functions, the stability is not high, the surfaces of the two clamping jaws are too smooth, the generated friction force is too small, the insufficient gripping force is easily caused, and the object falls off, and the safety is not high.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a mechanical clamping jaw for machine-building.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a mechanical clamping jaw for machine-building, including link, motor and mechanical clamping jaw arm, the horizontal fixedly connected with connecting plate in link bottom, the perpendicular fixedly connected with slide of connecting plate upper surface and position in the link inside, the inside spout that is equipped with of slide, sliding connection has the slider between the spout inner wall, the link inside and position in the slide upper end through frame fixedly connected with motor, the motor output end is connected with the pivot through the shaft coupling transmission, pivot surface fixed cover has the rocker, the rocker is kept away from pivot one end and is connected with first transfer line through the round pin axle activity, first transfer line bottom is through round pin axle activity connection on the slider side, the slider bottom surface is perpendicular fixedly connected with the telescopic link, the telescopic link runs through the connecting plate and is connected with the connecting plate sliding, surface fixed connection has concave frame under the connecting plate, the telescopic link is located the horizontal fixedly connected with driving plate of connecting plate lower extreme one side, four corners of driving plate all have the second transfer line, and four through round pin axle swing joint the second transfer line all is located the concave frame outside, per two just keep away from between the second transfer line that driving plate one side all has mechanical gripper jaw arm through transmission shaft swing joint, the perpendicular fixedly connected with spliced pole in concave frame bottom surface, the horizontal fixedly connected with articulated slab in spliced pole bottom, two mechanical gripper jaw arm middle part all is at the articulated slab both ends through transmission shaft swing joint.

As an optimal technical scheme of the utility model, the slide is located fixedly connected with buffer spring between top surface and the slider upper surface in the spout.

As a preferred technical scheme of the utility model, the upper and lower interval of concave frame inner chamber is greater than and uses the pivot as the centre of a circle, the rocker is the diameter of radius rotation, and the distance that the driving plate reciprocated equals to use the pivot as the centre of a circle, the rocker is the diameter of radius rotation.

As a preferred technical scheme, two mechanical clamping jaw arm bottom is "J" style of calligraphy, and two all be equipped with a plurality of centre gripping sawtooth on the mechanical clamping jaw arm bottom opposite face.

As a preferred technical scheme of the utility model, articulated slab all is equipped with the recess with two mechanical clamping jaw arm swing joint departments.

The utility model discloses the beneficial effect who reaches is: the utility model discloses a lever principle, make to extend or contract more freely between two mechanical gripper arms, it is rotatory to utilize the motor simultaneously at the transmission end, spacing under slider and spout, force the telescopic link to reciprocate, thereby realize that two mechanical gripper arms use the articulated slab to make a round trip to contract or extend as the fulcrum, pneumatic cylinder or electric putter's instability has been replaced, utilize buffer spring to avoid the motor to rotate too fast and cause two mechanical gripper arm centre gripping to be too violent hard and cause equipment to damage simultaneously, the protectiveness is better, all be equipped with the centre gripping sawtooth on two mechanical gripper arm opposite faces, frictional force is bigger, avoid the free whereabouts of article, whole device operation is simpler, high convenience is used, the gripping power is more sufficient, the centre gripping is more stable.

Drawings

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

FIG. 2 is a schematic structural view of a mechanical gripper arm of the present invention;

fig. 3 is a schematic structural diagram of the hinge plate of the present invention.

In the figure: 1. a connecting frame; 2. a connecting plate; 3. a motor; 4. a rotating shaft; 5. a rocker; 6. a first drive lever; 7. a slide plate; 8. a chute; 9. a slider; 10. a buffer spring; 11. a concave frame; 12. a telescopic rod; 13. a drive plate; 14. a second transmission rod; 15. connecting columns; 16. a mechanical jaw arm; 17. a hinge plate; 18. clamping the saw teeth; 19. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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.

Referring to fig. 1-3, a mechanical clamping jaw for machine manufacturing comprises a connecting frame 1, a motor 3 and a mechanical clamping jaw arm 16, wherein the bottom end of the connecting frame 1 is horizontally and fixedly connected with a connecting plate 2, the upper surface of the connecting plate 2 is vertically and fixedly connected with a sliding plate 7 positioned in the connecting frame 1, the sliding plate 7 is internally provided with a sliding chute 8, a sliding block 9 is slidably connected between the inner walls of the sliding chutes 8, the upper end of the sliding plate 7 positioned in the connecting frame 1 is fixedly connected with the motor 3 through a frame, the output end of the motor 3 is connected with a rotating shaft 4 through a coupling transmission, the surface of the rotating shaft 4 is fixedly sleeved with a rocker 5, one end of the rocker 5 far away from the rotating shaft 4 is movably connected with a first transmission rod 6 through a pin shaft, the bottom end of the first transmission rod 6 is movably connected on, surface fixedly connected with concave frame 11 under 2 connecting plates, telescopic link 12 is located the horizontal fixedly connected with driving plate 13 in connecting plate 2 lower extreme one side, four corners of driving plate 13 all have second transfer line 14 through round pin axle swing joint, and four second transfer lines 14 all are located the concave frame 11 outside, it all has mechanical gripper arm 16 through transmission shaft swing joint to keep away from driving plate 13 one side between per two second transfer lines 14, the perpendicular fixedly connected with spliced pole 15 in concave frame 11 bottom surface, the horizontal fixedly connected with articulated slab 17 in spliced pole 15 bottom, two mechanical gripper arm 16 middle parts are all at articulated slab 17 both ends through transmission shaft swing joint.

A buffer spring 10 is fixedly connected between the top surface of the sliding plate 7 positioned in the sliding chute 8 and the upper surface of the sliding block 9, plays a certain buffer role, avoids the damage of equipment caused by the over-violent clamping force of two mechanical clamping claw arms 16 due to the over-quick rotation of the motor 3, the vertical distance of the inner cavity of the concave frame 11 is larger than the diameter of the rotation by taking the rotating shaft 4 as the center of a circle and the rocker 5 as the radius, the distance of the up-and-down movement of the transmission plate 13 is equal to the diameter of the rotation taking the rotating shaft 4 as the circle center and the rocker 5 as the radius, the concave frame 11 is prevented from limiting the up-and-down movement path of the transmission plate 13, the bottom ends of the two mechanical clamping claw arms 16 are in a J shape, and the opposite surfaces of the bottom ends of the two mechanical clamping claw arms 16 are respectively provided with a plurality of clamping saw teeth 18, so that a clamping piece can be clamped more stably, and the movable connection part of the hinged plate 17 and the two mechanical clamping claw arms 16 is respectively provided with a groove 19, so that the two mechanical clamping claw arms 16 can extend or contract by utilizing the lever principle.

Specifically, when the utility model is used, firstly, an operator is required to check whether each part is normal or not, if the part has defects, the whole clamping jaw equipment is installed on a machine through a connecting hole on a connecting frame 1 after the part is checked to be correct, a motor 3 is utilized to rotate and drive a rotating shaft 4 to rotate, so as to drive a rocker 5 to rotate, a sliding block 9 is used as a limiting part to force a first transmission rod 6 to only swing back and forth left and right, further the sliding block 9 is pulled to move up and down in a sliding groove 8 of a sliding plate 7, a telescopic rod 12 stretches and retracts up and down along with the sliding block to drive a transmission plate 13 to lift in a concave frame 11, according to the lever principle, a hinged plate 17 is used as a fulcrum of two mechanical clamping jaw arms 16, and when four second transmission rods 14 move, the hinged plate 17 and the movable connection part of the mechanical clamping jaw arms 16 are used as the, namely, the transmission plate 13 moves to the lowest part of the concave frame 11, the four second transmission rods 14 extend to the largest angle, and the two mechanical gripper arms 16 contract to the smallest distance, so that the object can be stably clamped, otherwise, the object can be released, the whole device is more convenient to operate, the clamping is more stable, and the gripping force is more sufficient.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The mechanical clamping jaw for machine manufacturing is characterized by comprising a connecting frame (1), a motor (3) and a mechanical clamping jaw arm (16), wherein the bottom end of the connecting frame (1) is horizontally and fixedly connected with a connecting plate (2), the upper surface of the connecting plate (2) is vertically and fixedly connected with a sliding plate (7) positioned inside the connecting frame (1), a sliding groove (8) is formed in the sliding plate (7), a sliding block (9) is connected between the inner walls of the sliding groove (8) in a sliding manner, the motor (3) is fixedly connected to the upper end of the sliding plate (7) through a rack in the connecting frame (1), the output end of the motor (3) is connected with a rotating shaft (4) through shaft coupling transmission, a rocker (5) is fixedly sleeved on the surface of the rotating shaft (4), one end, away from the rotating shaft (4), of the rocker (5) is, the bottom end of the first transmission rod (6) is movably connected to the side face of the sliding block (9) through a pin shaft, a telescopic rod (12) is fixedly connected to the bottom face of the sliding block (9) in a vertical mode, the telescopic rod (12) penetrates through the connecting plate (2) and is in sliding connection with the connecting plate (2), a concave frame (11) is fixedly connected to the lower surface of the connecting plate (2), the telescopic rod (12) is located on one side of the lower end of the connecting plate (2) and is horizontally and fixedly connected with a transmission plate (13), four corners of the transmission plate (13) are respectively movably connected with second transmission rods (14) through pin shafts, the four second transmission rods (14) are respectively located on the outer side of the concave frame (11), every two second transmission rods (14) are arranged between the two transmission rods and far away from one side of the transmission plate (13) and are respectively connected with a mechanical clamping claw, the bottom end of the connecting column (15) is horizontally and fixedly connected with a hinged plate (17), and the middle parts of the mechanical clamping claw arms (16) are movably connected to the two ends of the hinged plate (17) through transmission shafts.

2. Mechanical jaw for machine building according to claim 1, characterised in that a buffer spring (10) is fixedly connected between the top surface of the slide (7) inside the chute (8) and the upper surface of the slide (9).

3. The mechanical clamping jaw for machine manufacturing according to claim 1, wherein the vertical distance between the inner cavities of the concave frame (11) is larger than the diameter of rotation by taking the rotating shaft (4) as the center of a circle and taking the rocker (5) as the radius, and the vertical distance of the transmission plate (13) is equal to the diameter of rotation by taking the rotating shaft (4) as the center of a circle and taking the rocker (5) as the radius.

4. The mechanical clamping jaw for machine manufacturing according to claim 1, characterized in that the bottom ends of the two mechanical clamping jaw arms (16) are J-shaped, and a plurality of clamping saw teeth (18) are arranged on the opposite surfaces of the bottom ends of the two mechanical clamping jaw arms (16).

5. Mechanical gripper for machine building according to claim 1, characterised in that the hinged plate (17) is provided with a groove (19) at the articulation of the two mechanical gripper arms (16).