CN214645325U

CN214645325U - Automatic clamping and positioning mechanism for nut

Info

Publication number: CN214645325U
Application number: CN202120281585.4U
Authority: CN
Inventors: 李创; 张洪快
Original assignee: Shenzhen Xincube Automation Equipment Co ltd
Current assignee: Shenzhen Xincube Automation Equipment Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-11-09
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses an automatic centre gripping of nut and positioning mechanism relates to mechanical fixture technical field. Including card nut seat and grip block, be fixed with the pivot on the outer wall of card nut seat, it has the grip block to articulate in the pivot, be fixed with the casing on the outer wall of card nut seat, the cavity has been seted up to the inside of casing, and pivot and grip block all are located the inside cavity of casing, there is spring baffle in the both sides of card nut seat through fixed screw fixed mounting, spring baffle has seted up the circular slot No. one near one side of grip block, No. two circular slots have been seted up to one side that the grip block is close to spring baffle. This automatic centre gripping of nut and positioning mechanism is provided with card nut seat and grip block, can carry out accurate placing and pressing from both sides tightly to the nut through feeding thimble and ejection of compact thimble, makes things convenient for the nut to carry out the processing operation in later stage, and further promotion the speed of putting of nut has reduced workman's working strength.

Description

Automatic clamping and positioning mechanism for nut

Technical Field

The utility model relates to a mechanical fixture technical field specifically is an automatic centre gripping of nut and positioning mechanism.

Background

The injection molding part refers to various injection molding products produced by an injection molding machine, and is commonly called injection molding parts, and comprises various packages, parts and the like. The novel injection molding machine is mainly made of materials such as polyethylene or polypropylene and added with various organic solvents, some specially-made U-shaped nuts can be used in the production and processing process of injection molding parts, manual clamping, positioning and placing of the nut parts are needed in the factory assembly line processing process, the manual placing time is slow, and the placing precision and direction are inaccurate, so that the stability of the whole machine is affected, the later-stage processing is inconvenient, the production cost is greatly improved, and the production efficiency is greatly reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an automatic centre gripping of nut and positioning mechanism has solved the problem that above-mentioned background art mentioned.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an automatic nut clamping and positioning mechanism comprises a nut clamping seat and a clamping plate, wherein a rotating shaft is fixed on the outer wall of the nut clamping seat, the rotating shaft is hinged with the clamping plate, a shell is fixed on the outer wall of the nut clamping seat, a cavity is formed in the shell, the rotating shaft and the clamping plate are both positioned in the cavity in the shell, spring baffles are fixedly arranged on two sides of the nut clamping seat through fixing screws, a first circular groove is formed in one side, close to the clamping plate, of each spring baffle, a second circular groove is formed in one side, close to the spring baffles, of each clamping plate, the first circular groove and the second circular groove are positioned on the same horizontal straight line, the first circular groove and the second circular groove are the same in pore size, a limiting column is fixed on the inner wall of the first circular groove, a limiting spring is sleeved on the limiting column, one end of the limiting spring is fixed on the inner wall of the first circular groove, the other end of the limiting spring is fixed with the inner wall of the second circular groove.

Preferably, the nut clamping seat is provided with a discharge hole, and the nut clamping seat and the shell are both provided with positioning holes.

Preferably, a convex block is fixed on the outer wall of one side, close to the spring baffle, of the clamping plate, and the convex block is semicircular.

Preferably, the number of the clamping plates is four, every two clamping plates form a group, and the two groups of clamping plates are symmetrically arranged by taking the central line of the clamping nut seat in the horizontal direction as a symmetry axis.

Preferably, the inner wall of the discharge hole is penetrated and connected with a discharge thimble in a sliding manner.

Preferably, the fixing screws, the first circular groove and the second circular groove are arranged in two groups, and the two groups of fixing screws, the first circular groove and the second circular groove are symmetrically arranged by taking a central line in the vertical direction of the clamping nut seat as a symmetry axis.

(III) advantageous effects

The utility model provides an automatic centre gripping of nut and positioning mechanism. The method has the following beneficial effects:

(1) this automatic centre gripping of nut and positioning mechanism is provided with card nut seat and grip block, can carry out accurate placing and pressing from both sides tightly to the nut through feeding thimble and ejection of compact thimble, makes things convenient for the nut to carry out the processing operation in later stage, and further promotion the speed of putting of nut has reduced workman's working strength.

(2) The clamping plate is arranged on the automatic nut clamping and positioning mechanism, and the nut piece of the U type can be clamped efficiently through the arc design of the bottom of the clamping plate, so that the machining efficiency of the nut piece is improved to a great extent, the production cost is reduced, and the automatic nut clamping and positioning mechanism is suitable for wide popularization.

Drawings

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

FIG. 2 is a schematic structural view of the whole device of the present invention viewed from above;

FIG. 3 is a schematic structural view of the whole device of the present invention in cross section;

FIG. 4 is an enlarged schematic view of part A of the present invention;

fig. 5 is a schematic structural view of the side view of the nut holder of the present invention.

In the figure: the device comprises a nut seat 1, a rotating shaft 2, a clamping plate 3, a nut piece 4, a spring baffle 5, a fixing screw 6, a circular groove 7I, a circular groove 8 II, a limiting column 9, a limiting spring 10, a convex block 11, a feeding thimble 12, a shell 13, a positioning hole 14, a discharging thimble 15 and a discharging hole 16.

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. 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.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an automatic centre gripping of nut and positioning mechanism, includes card nut seat 1 and grip block 3, is equipped with on the card nut seat 1 and carries out spacing nut spacing groove to nut 4, is fixed with pivot 2 on the outer wall of card nut seat 1, and articulated on the pivot 2 have grip block 3, and grip block 3 can use the centre of a circle of pivot 2 to rotate as the centre of a circle and press from both sides tightly nut 4. A shell 13 is fixed on the outer wall of a clamping nut seat 1, a cavity is arranged in the shell 13, a rotating shaft 2 and a clamping plate 3 are both positioned in the cavity in the shell 13, spring baffles 5 are fixedly arranged on two sides of the clamping nut seat 1 through fixing screws 6, the spring baffles 5 play a limiting role on limiting springs 10, one side, close to the clamping plate 3, of each spring baffle 5 is provided with a first circular groove 7, one side, close to the spring baffles 5, of each clamping plate 3 is provided with a second circular groove 8, the first circular grooves 7 and the second circular grooves 8 are positioned on the same horizontal straight line, the aperture sizes of the first circular grooves 7 and the second circular grooves 8 are the same, four clamping plates 3 are arranged, every two clamping plates 3 are in one group, the two groups of clamping plates 3 are symmetrically arranged by taking the central line in the horizontal direction of the clamping nut seat 1 as a symmetrical axis, a discharge port 16 is arranged on the clamping nut seat 1, and can push a nut element 4 through a discharge thimble 15, so that the nut member 4 is separated from the nut clamping seat, the nut clamping seat 1 and the shell 13 are both provided with positioning holes 14, and the positioning holes 14 play a role in positioning the nut clamping seat 1.

Further, be fixed with spacing post 9 on the inner wall of circular slot 7, cup jointed spacing spring 10 on the spacing post 9, the one end of spacing spring 10 is fixed with the inner wall of circular slot 7, and the other end of spacing spring 10 is fixed with the inner wall of No. two circular slots 8, and spacing spring 10 plays buffering and tight effect of clamp, can make grip block 3 remove at certain migration within range, realizes putting and the ejection of compact of nut spare 4.

Further, the clamping plate 3 is fixed with the lug 11 on being close to the outer wall of spring baffle 5 one side, and the lug 11 is semicircle form, and the lug 11 can laminate with casing 13 at the in-process that the clamping plate 3 put and the centre gripping to nut 4, avoids clamping plate 3 directly to bump with casing 13, avoids clamping plate 3 to take place wearing and tearing, the effectual life who promotes clamping plate 3.

Further, the one end that pivot 2 was kept away from to two grip blocks 3 that are in same horizontal straight line is triangle opening form, can make nut 4 get into, at the in-process that nut 4 removed toward the nut spacing groove, grip block 3 can take place the side and move, make spacing spring 10 elongated, and spacing spring 10 can play spacing effect to grip block 3, place the nut 4 that remains to be processed between two sets of grip blocks 3, grip block 3 is pressing from both sides tightly nut 4, can realize that nut 4 is normal puts and ejection of compact operation.

Further, a discharging thimble 15 penetrates through and is connected to the inner wall of the discharging port 16 in a sliding manner, and the discharging thimble 15 can realize the function of discharging the nut piece 4.

Further, set screw 6, circular slot 7 and No. two circular slots 8 all are provided with two sets ofly, and just two sets of set screw 6, circular slot 7 and No. two circular slots 8 all use the ascending central line of the vertical side of the jack-nut seat 1 to set up as symmetry axis symmetry, the utility model provides a feeding thimble 12 and ejection of compact thimble 15 all transmit through pneumatic means.

When the nut clamping device is in operation (or in use), the nut piece 4 to be processed is placed at one end of the feeding thimble 12 close to the nut clamping seat 1, the head of the nut piece 4 is driven to move towards the direction of the clamping plate 3 by the feeding thimble 12, two sides of the nut piece 4 are attached to the inclined surfaces of the clamping plate 3, the clamping plate 3 is squeezed until the tail of the nut piece 4 is attached to the arc-shaped corners of the two groups of clamping plates 3, the nut piece 4 is clamped and fixed on the nut limiting groove by the two groups of clamping plates 3 at the moment, the nut clamping seat 1 can be moved or the nut piece 4 can be turned over and the like at the moment, the nut piece 4 is firmly fixed on the nut clamping seat 1 at the moment, then the nut piece 4 is ejected by the discharging thimble 15 through the discharging port 16 through the transmission of the pneumatic device and the discharging thimble 15, namely, the placing and discharging work of the nut piece 4 is completed, and the automatic clamping and positioning efficiency of the nut piece 4 can be effectively improved, thereby reducing the labor intensity of workers and being suitable for wide popularization.

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. The utility model provides an automatic centre gripping of nut and positioning mechanism, includes card nut seat (1) and grip block (3), its characterized in that: the clamping nut seat is characterized in that a rotating shaft (2) is fixed on the outer wall of the clamping nut seat (1), a clamping plate (3) is hinged on the rotating shaft (2), a shell (13) is fixed on the outer wall of the clamping nut seat (1), a cavity is formed in the shell (13), the rotating shaft (2) and the clamping plate (3) are both located in the cavity in the shell (13), spring baffles (5) are fixedly mounted on two sides of the clamping nut seat (1) through fixing screws (6), a first circular groove (7) is formed in one side, close to the clamping plate (3), of each spring baffle (5), a second circular groove (8) is formed in one side, close to the spring baffles (5), of each clamping plate (3), the first circular groove (7) and the second circular groove (8) are located on the same horizontal straight line, the aperture sizes of the first circular groove (7) and the second circular groove (8) are the same, and a limiting column (9) is fixed on the inner wall of the first circular groove (7), the limiting spring (10) is sleeved on the limiting column (9), one end of the limiting spring (10) is fixed to the inner wall of the first circular groove (7), and the other end of the limiting spring (10) is fixed to the inner wall of the second circular groove (8).

2. The automatic nut clamping and positioning mechanism of claim 1, wherein: the clamp nut seat (1) is provided with a discharge hole (16), and the clamp nut seat (1) and the shell (13) are both provided with positioning holes (14).

3. The automatic nut clamping and positioning mechanism of claim 1, wherein: the clamping plate (3) is fixed with a convex block (11) on the outer wall of one side close to the spring baffle (5), and the convex block (11) is semicircular.

4. The automatic nut clamping and positioning mechanism of claim 1, wherein: the clamping plates (3) are four, every two clamping plates (3) are a group, and the two groups of clamping plates (3) are symmetrically arranged by taking the central line of the clamping nut seat (1) in the horizontal direction as a symmetry axis.

5. The automatic nut clamping and positioning mechanism of claim 2, wherein: the inner wall of the discharge hole (16) is penetrated and connected with a discharge thimble (15) in a sliding way.

6. The automatic nut clamping and positioning mechanism of claim 1, wherein: the fixing screws (6), the first circular groove (7) and the second circular groove (8) are arranged in two groups, and the two groups of fixing screws (6), the first circular groove (7) and the second circular groove (8) are arranged symmetrically by taking the central line in the vertical direction of the clamping nut seat (1) as a symmetry axis.