CN209811669U - Compact type lifting clamping rotary mechanical claw - Google Patents

Abstract

The utility model relates to an automatic assembly technical field, concretely relates to compact lifts up and presss from both sides tight rotary mechanical claw, including installation unit, tight unit, rotary unit of clamp, the installation unit includes slip table, supporting seat, guide base, and tight unit of clamp includes hydro-cylinder, floating axle, supporting slider, locating pin, slip clamping jaw, and rotary unit includes servo motor, planetary reducer. The utility model effectively solves the problem that the space is insufficient but the clamping rotation is needed in the screwing or other assembling processes; the clamping unit is internally provided with the sliding clamping jaw, the positioning pin and the supporting slide block, the clamping and the loosening are realized through the vertical sliding of the supporting slide block, the manufacturing cost is reduced, the response is timely, the assembly efficiency is improved, and meanwhile, compared with the structure in the prior art, the synchronous variable pitch structure is realized through the arrangement of the electric elements, the fault rate is reduced, and the production cost is further reduced.

Description

Compact type lifting clamping rotary mechanical claw

Technical Field

The utility model relates to an automatic assembly technical field, concretely relates to compact lifts up and presss from both sides tight rotary machine claw.

Background

In the automatic assembly manufacturing field, the bolt tightening assembly is a general efficient mode, often be applied to the motor, in the assembling process such as gearbox, in semi-automatic tightening equipment, press from both sides tight rotation and be a common mechanism, because the complicated demand equipment function of process flow is more, perhaps the work piece shape itself is complicated, and cause the compression to the equipment space, on the basis of the not enough this kind of condition in space, this design provides the tight rotatory gripper of clamp of the more compact of a structure, the device theory of structure is simple, shared space is less, can adapt to multiple environment, can very effectual solution need the tight rotation of location clamp but the not enough problem in space in screwing up or other assembling processes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide a compact and lift up and press from both sides tight rotary mechanical claw, it can realize effectively solving need press from both sides tight rotatory but not enough problem in space screwing up or other assembling processes.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

a compact lift-clamp rotary gripper, comprising:

the mounting unit comprises a sliding table, a supporting seat and a guide base, wherein the supporting seat is vertically and rotatably connected to the sliding table, and the guide base is coaxially connected to the supporting seat;

the clamping unit comprises an oil cylinder, a floating shaft, a supporting slide block, a positioning pin and two sliding clamping jaws, the oil cylinder is installed in a hollow position of the guide base, the floating shaft is connected with the oil cylinder in a driving mode, the supporting slide block is clamped with the floating shaft, two first inclined planes symmetrical along the axis of the supporting slide block are arranged on the peripheral surface of the supporting slide block, a waist-shaped groove corresponding to the first inclined planes is formed in the upper portion of the supporting slide block, a clamping groove for clamping the supporting slide block and capable of vertically and freely sliding is formed in the corresponding guide base, two sliding clamping jaws are arranged on the corresponding guide base, sliding grooves for clamping the two sliding clamping jaws and capable of horizontally sliding are formed in the corresponding guide base, a second inclined plane matched with the first inclined planes on the supporting slide block are formed in the sliding clamping jaw, the positioning pin is provided with two second inclined planes which are respectively inserted in the two waist-shaped grooves of, the sliding clamping jaws are fixedly connected with the two sliding clamping jaws respectively;

the rotary unit comprises a servo motor and a planetary reducer, the planetary reducer is arranged on the sliding table and is in drive connection with the supporting seat, and the servo motor is in drive connection with the planetary reducer.

Furthermore, inlay on the slip table and be equipped with cross roller bearing, the cartridge has the transition pivot on the cross roller bearing, the one end and the planetary reducer drive connection of support seat are just kept away from to the coaxial rigid coupling of transition pivot and support seat.

Further, the clamping unit also comprises a proximity switch which is arranged on the guide base and used for detecting the vertical movement of the supporting slide block.

Furthermore, the rotating unit further comprises a limiting part, the limiting part comprises two limit stops correspondingly arranged on the sliding table, the two limit stops are respectively defined as a first limit stop and a second limit stop, and a limiting block located between the first limit stop and the second limit stop is arranged on the supporting seat.

The utility model has the advantages that: 1. the problem that clamping rotation is needed but the space is insufficient in the process of screwing or other assembling processes is effectively solved; 2. set up the slip clamping jaw in the clamping unit, the locating pin, supporting slide block, realize pressing from both sides tightly and unclamping through supporting slide block's vertical slip, when vertical upglide, the oblique contact surface between supporting slide block and the slip clamping jaw drives the slip clamping jaw and opens the tight work piece hole of clamp to both sides in step, inclined plane contact strength is big, the space is little, when vertical gliding, waist-shaped groove produces horizontal pulling force to the locating pin on the supporting slide block, pull back the middle part normal position with the slip clamping jaw, tighten up the clamping jaw and release the work piece, manufacturing cost is reduced, and the response is timely, the assembly efficiency is improved, compare the prior art simultaneously and realize the structure of synchronous displacement through setting up electrical element, the realization has reduced the fault rate.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic partial cross-sectional view of the three-dimensional structure of FIG. 1;

fig. 3 is a schematic view of a partial cross-sectional structure of two sliding jaws in an original state according to an embodiment of the present invention;

fig. 4 is a schematic view of a partial cross-sectional structure of two sliding jaws in a clamped state according to an embodiment of the present invention;

in the drawings, the reference numerals denote the following components:

1-transition rotating shaft, 2-crossed roller bearing, 3-sliding table, 4-servo motor, 5-planetary reducer, 6-guide base, 7-sliding clamping jaw, 8-supporting sliding block, 9-positioning pin, 10-floating shaft, 11-proximity switch, 12-supporting seat, 13-oil cylinder, 14-first limit stop, 15-second limit stop and 16-limiting block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

1-4, a compact lift-clamp rotary gripper, comprising:

the mounting unit comprises a sliding table 3, a supporting seat 12 and a guide base 6, wherein the supporting seat 12 is vertically and rotatably connected to the sliding table 3, and the guide base 6 is coaxially connected to the supporting seat 12;

clamping unit, clamping unit includes hydro-cylinder 13, float axle 10, supporting slide 8, locating pin 9, slip clamping jaw 7, hydro-cylinder 13 is installed in the cavity position of direction base 6, float axle 10 is connected with hydro-cylinder 13 drive, supporting slide 8 and float axle 10 joint are equipped with two first inclined planes along its axis symmetry on its global, and be equipped with on it with the corresponding waist type groove in first inclined plane, corresponding be equipped with in the direction base 6 and supply supporting slide 8 block, and can vertical free gliding draw-in groove, slip clamping jaw 7 is equipped with two, correspond open on the direction base 6 supply two slip clamping jaw 7 inlays the card, and can the horizontal slip sliding tray, be equipped with on the slip clamping jaw 7 with the second inclined plane of supporting slide 8 on the first inclined plane looks adaptation, locating pin 9 is equipped with two and inserts respectively and closes and freely slides along the length direction in waist type groove in two waist type grooves of supporting slide 8, which are fixedly connected with the two sliding clamping jaws 7 respectively;

the rotary unit, the rotary unit includes servo motor 4, planetary reducer 5 locates on the slip table 3 and is connected with the 12 drives of supporting seat, servo motor 4 is connected with the 5 drives of planetary reducer.

The sliding table 3 is embedded with a crossed roller bearing 2, a transition rotating shaft 1 is inserted on the crossed roller bearing 2, the transition rotating shaft 1 is coaxially fixedly connected with a supporting seat 12, one end of the transition rotating shaft 1, far away from the supporting seat 12, is in driving connection with a planetary reducer 5, and the supporting seat 12 is rotatably connected to the sliding table 3 through the arrangement of the transition rotating shaft 1 and the crossed roller bearing 2.

The clamping unit further comprises a proximity switch 11 provided on the guide base 6 for detecting vertical movement of the support slider 8, in particular the proximity switch 11 is a proximity switch of model E2B-M18KN 16-WZ-C12 MOMS manufactured by ohilongki, japan.

The rotary unit still includes the locating part, the locating part is defined as first limit stop 14, second limit stop 15 including corresponding two limit stop who locate on the slip table 3 respectively, be equipped with the stopper 16 that is located between first limit stop 14, the second limit stop 15 on the supporting seat 12, prevent that servo motor 4 from rotating the stroke overproof, lead to the assembly failure.

The utility model discloses when using: the external power supply is switched on, the mechanical claw is connected with other lifting devices through the sliding table, when an external workpiece reaches a designated position, the other lifting devices integrally lift the mechanical claw, the oil cylinder is located at an initial position, the sliding clamping jaw is located at a contraction original position, the sliding clamping jaw enters a positioning hole of the external workpiece, after the positioning, the oil cylinder extends out, the floating shaft is pushed to support the sliding block to move upwards, the force for upward movement of the sliding clamping jaw is provided, the sliding clamping jaw is limited by the vertical direction of the guide base, the sliding clamping jaw only symmetrically moves along the horizontal direction of the inclined plane of the supporting sliding block and the horizontal direction of the guide base to reach an opening state, and after the sliding clamping jaw is contacted with. After other work preparations are completed, the servo motor and the planetary reducer start to work and enter a rotating state, and the first limit stop, the second limit stop and the limit blocks ensure the safety of the rotating angle.

After the whole process is finished, the servo motor and the planetary reducer stop working, the oil cylinder resets, the supporting slide block moves downwards along with the floating shaft, the supporting slide block moves downwards by pulling the positioning pin, the positioning pin and the sliding clamping jaw are fixed into a whole, the sliding clamping jaw is limited by the vertical direction of the guide base, the sliding clamping jaw contracts symmetrically, the proximity switch detection process is finished, and other lifting devices move the whole mechanical jaw downwards through the sliding table.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (4)

1. A compact lift-clamp rotating gripper, comprising:

the mounting unit comprises a sliding table (3), a supporting seat (12) and a guide base (6), wherein the supporting seat (12) is vertically and rotatably connected to the sliding table (3), and the guide base (6) is coaxially connected to the supporting seat (12);

clamping unit, clamping unit includes hydro-cylinder (13), floating shaft (10), supporting slide block (8), locating pin (9), slip clamping jaw (7), install in the cavity position of direction base (6) hydro-cylinder (13), floating shaft (10) and hydro-cylinder (13) drive are connected, supporting slide block (8) and floating shaft (10) joint, be equipped with two along the first inclined plane of its axis symmetry on its global, and be equipped with on it with the corresponding waist type groove in first inclined plane, corresponding be equipped with in direction base (6) supply supporting slide block (8) block, and can vertical free gliding draw-in groove, slip clamping jaw (7) are equipped with two, correspond it has two slip clamping jaw (7) to supply on direction base (6) to inlay the card, and can the horizontal gliding sliding chute, be equipped with on slip clamping jaw (7) and supporting slide block (8) on the second inclined plane of first inclined plane looks adaptation, the positioning pins (9) are provided with two parts which are respectively inserted into the two waist-shaped grooves of the supporting slide block (8) and freely slide along the length direction of the waist-shaped grooves, and the positioning pins are respectively fixedly connected with the two sliding clamping jaws (7);

the rotary unit, the rotary unit includes servo motor (4), planetary reducer (5) are located on slip table (3) and are connected with supporting seat (12) drive, servo motor (4) are connected with planetary reducer (5) drive.

2. The compact type lifting clamping rotary gripper according to claim 1, is characterized in that a crossed roller bearing (2) is embedded on the sliding table (3), a transition rotating shaft (1) is inserted on the crossed roller bearing (2), and the transition rotating shaft (1) is coaxially and fixedly connected with the supporting seat (12) and one end far away from the supporting seat (12) is in driving connection with a planetary reducer (5).

3. A compact lifting clamping rotary gripper according to claim 1, characterised in that the clamping unit further comprises a proximity switch (11) provided on the guide base (6) for detecting the vertical movement of the support slider (8).

4. A compact lifting clamping rotary gripper according to claim 1, characterised in that said rotary unit further comprises a stop element comprising two limit stops, respectively defined as a first limit stop (14) and a second limit stop (15), correspondingly arranged on the slide (3), said support (12) being provided with a stop element (16) located between the first limit stop (14) and the second limit stop (15).