CN211276396U

CN211276396U - Multi-station lower die clamping mechanism for cold header equipment

Info

Publication number: CN211276396U
Application number: CN201922064890.3U
Authority: CN
Inventors: 陈明海
Original assignee: Zhejiang Shinetop Machinery Co ltd
Current assignee: Zhejiang Shinetop Machinery Co ltd
Priority date: 2019-11-26
Filing date: 2019-11-26
Publication date: 2020-08-18
Anticipated expiration: 2029-11-26

Abstract

The utility model discloses a multistation lower mould fixture for cold heading machine equipment, including first splint, second splint, clamp plate and centre gripping base, the mounting panel is all installed to centre gripping base bottom all around, and the both sides of mounting panel all are provided with the mounting hole, first fixed plate is all installed to the both sides on centre gripping base top, and first fixed plate inboard both ends all install first electronic jar, first splint are all installed on the top that first fixed plate one side was kept away from to first electronic jar, and first splint all with first electronic jar fixed connection, the both sides on centre gripping base top of first splint below all are provided with first spout. The utility model discloses an install first electronic jar, first spout and first slider for be convenient for adjust the interval of two first splint, so that the cold heading machine multistation lower mould of different length is decided to the clamp fastening.

Description

Multi-station lower die clamping mechanism for cold header equipment

Technical Field

The utility model relates to a cold heading machine technical field specifically is cold heading machine multistation lower mould fixture for equipment.

Background

The multi-station automatic cold header adopts a cold header mode to automatically header various hexagonal nuts and tap the disc element or the bar material, namely, standard hexagon nuts are finished, bar materials are fed by roller transmission, feeding, cutting, ball pressing, angle pressing and punching are sequentially carried out, a plurality of processes are completed by one machine, cold heading stations are horizontally arranged, and the automatic cold heading machine has the characteristics of accurate positioning, stable operation, convenient maintenance and the like, is suitable for equipment for producing nuts in batches by manufacturers, is special equipment for producing hexagon nuts and some nonstandard parts, and at present, the multi-station lower die is usually required to be installed in a cold header so as to facilitate the production and processing of parts, but most of the existing multi-station lower die clamping mechanisms are simple in structure, inconvenient to adjust and single in application range, meanwhile, the shock absorption performance of the clamping mechanism is poor, and the shock energy generated in the part machining process can not be well reduced, so that the multi-station lower die clamping mechanism for cold header equipment is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multistation lower mould fixture is used to cold heading machine equipment to solve the simple structure who proposes in the above-mentioned background art, inconvenient regulation, application scope is single, and its damping performance is relatively poor simultaneously, the problem of the shock energy that produces in the reduction parts machining process that can not be fine.

In order to achieve the above object, the utility model provides a following technical scheme: the multi-station lower die clamping mechanism for the cold header equipment comprises a first clamping plate, a second clamping plate, a pressing plate and a clamping base, wherein the mounting plate is installed at the bottom end of the periphery of the clamping base, mounting holes are formed in two sides of the mounting plate, first fixing plates are installed on two sides of the top end of the clamping base, first electric cylinders are installed at two ends of the inner side of each first fixing plate, first clamping plates are installed at the top ends of the clamping base, far away from one sides of the first fixing plates, of the first electric cylinders, and are fixedly connected with the first electric cylinders, first sliding grooves are formed in two sides of the top end of the clamping base below the first clamping plates, first sliding blocks are installed on two sides of the bottom end of each first clamping plate, and are connected with the first sliding grooves, second fixing plates are installed at two ends of the top end of the clamping base, and second electric cylinders are installed at two ends of the inner side of each second, the top ends of the clamping bases of the second electric cylinders far away from the second fixing plate are respectively provided with a second clamping plate, the second clamping plate is fixedly connected with the second electric cylinder, the two ends of the inner sides of the second clamping plate and the first clamping plate are both provided with a pressing plate, the two ends of the top end of the clamping base below the second clamping plate are both provided with second sliding grooves, the two sides of the bottom end of the second clamping plate are both provided with second sliding blocks, the second sliding blocks are connected with the second sliding grooves, the two sides of the interior of the clamping base are provided with damping grooves, and the bottom ends of the inner parts of the shock absorption grooves are all uniformly provided with shock absorption loop bars, the inner parts of the shock absorption loop bars are all provided with shock absorption rods, and the top of shock attenuation pole is all vertically run through the top of shock attenuation loop bar and is connected with the interior roof of shock attenuation groove, the outside of shock attenuation loop bar all is equipped with damping spring, and damping spring's both ends all with the interior wall connection of shock attenuation groove.

Preferably, first fixed plate and first splint and second fixed plate all set up about the axis symmetry of centre gripping base.

Preferably, the both ends that first splint and second splint are close to clamp plate one side all are provided with the spacing groove, and the pressure spring is all installed to the bottom of spacing inslot portion, the stopper is all installed to one side that the clamp plate is close to the spacing groove, and the stopper all is connected with the spacing groove, the bottom of stopper all with the top fixed connection of pressure spring, the top of first splint and the second splint of stopper top all is provided with the thread groove, and the inside of thread groove all installs the screw rod, the equal vertical inside of running through the thread groove of screw rod.

Preferably, the bottom ends of the pressing plates are all uniformly provided with anti-skid convex lines.

Preferably, the top of mounting panel all evenly installs the strengthening rib, and the strengthening rib all with the lateral wall fixed connection of centre gripping base.

Preferably, the outer diameter of the shock absorption rod is equal to the inner diameter of the shock absorption sleeve rod.

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

(1) the device is provided with the first electric cylinder, the first sliding groove and the first sliding block, so that the distance between the two first clamping plates can be conveniently adjusted, the multi-station lower die of the cold header with different lengths can be clamped and fixed, meanwhile, the device is provided with the second electric cylinder, the second sliding groove and the second sliding block, so that the distance between the two second clamping plates can be conveniently adjusted, the multi-station lower die with different widths can be clamped and fixed, and the application range is wider;

(2) the device is convenient to drive the pressing plate to vertically move up and down through the screw rod, the thread groove, the limiting block, the limiting groove and the pressure spring, so that the height of the pressing plate is convenient to adjust, multi-station lower dies with different thicknesses are convenient to press and fix, the fixing effect of the lower die is further improved, and the stable work of the lower die is ensured;

(3) the device is through installing shock attenuation groove, shock attenuation pole, damping spring and shock attenuation loop bar for be convenient for through damping spring's elastic deformation and shock attenuation pole at the inside removal of shock attenuation loop bar, be favorable to greatly reduced parts machining in-process vibrations ability that produces, avoid it to cause the damage to multistation lower mould and the device, be favorable to improving the device and the life of multistation lower mould.

Description of the drawings:

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

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

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic structural view of the first clamping plate of the present invention.

In the figure: 1. a first fixing plate; 2. a first electric cylinder; 3. a first splint; 4. a second splint; 5. a second fixing plate; 6. pressing a plate; 7. a limiting block; 8. mounting holes; 9. clamping the base; 10. reinforcing ribs; 11. mounting a plate; 12. a first chute; 13. a damping groove; 14. a shock-absorbing lever; 15. a second chute; 16. a second slider; 17. a damping spring; 18. a first slider; 19. a shock-absorbing loop bar; 20. a second electric cylinder; 21. a screw; 22. a thread groove; 23. a pressure spring; 24. a limiting groove.

The specific implementation mode is as follows:

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. 1-4, the present invention provides an embodiment: the multi-station lower die clamping mechanism for cold header equipment comprises a first clamping plate 3, a second clamping plate 4, a pressing plate 6 and a clamping base 9, wherein mounting plates 11 are respectively mounted at the bottom ends of the periphery of the clamping base 9, reinforcing ribs 10 are uniformly mounted at the top ends of the mounting plates 11, the reinforcing ribs 10 are fixedly connected with the side walls of the clamping base 9, so that the stability of the mounting plates 11 is improved, mounting holes 8 are respectively formed in the two sides of the mounting plates 11, first fixing plates 1 are respectively mounted on the two sides of the top end of the clamping base 9, first electric cylinders 2 are respectively mounted at the two ends of the inner sides of the first fixing plates 1, the types of the first electric cylinders 2 can be SDG40, the first electric cylinders 2 are connected with commercial power through wires, the first clamping plate 3 is mounted at the top ends of the clamping base 9, which are far away from one side of the first fixing plates 1, of the first electric cylinders 2, the first clamping plates 3 are fixedly connected with the first electric cylinders, the two sides of the bottom end of the first clamping plate 3 are respectively provided with a first sliding block 18, the first sliding blocks 18 are respectively connected with the first sliding grooves 12, the two ends of the top end of the clamping base 9 are respectively provided with a second fixing plate 5, the two ends of the inner side of the second fixing plate 5 are respectively provided with a second electric cylinder 20, the model of the second electric cylinder 20 can be SDG50, the second electric cylinder 20 is connected with commercial power through a lead, the top end of the clamping base 9, far away from one side of the second fixing plate 5, of the second electric cylinder 20 is respectively provided with a second clamping plate 4, the first fixing plate 1, the first clamping plate 3, the second clamping plate 4 and the second fixing plate 5 are symmetrically arranged about the central axis of the clamping base 9, so as to clamp and fix the lower die, the second clamping plate 4 is respectively fixedly connected with the second electric cylinder 20, the two ends of the inner sides of the second clamping plate 4 and the first clamping plate 3 are respectively provided with a, both ends of one side, close to the pressing plate 6, of the first clamping plate 3 and the second clamping plate 4 are respectively provided with a limiting groove 24, the bottom ends of the insides of the limiting grooves 24 are respectively provided with a pressure spring 23, one side, close to the limiting groove 24, of the pressing plate 6 is respectively provided with a limiting block 7, the limiting blocks 7 are respectively connected with the limiting grooves 24, the bottom ends of the limiting blocks 7 are respectively fixedly connected with the top ends of the pressure springs 23, the top ends of the first clamping plate 3 and the second clamping plate 4 above the limiting blocks 7 are respectively provided with a thread groove 22, the insides of the thread grooves 22 are respectively provided with a screw rod 21, the screw rods 21 vertically penetrate through the insides of the thread grooves 22, so that the height of the pressing plate 6 can be conveniently adjusted to fix lower dies with different thicknesses, both ends of the top end of the clamping base 9 below the second clamping plate 4 are respectively provided with a second sliding groove 15, both sides of the bottom end of, shock attenuation loop bar 19 is all evenly installed to the inside bottom of shock attenuation groove 13, shock attenuation 14 is all installed to the inside of shock attenuation loop bar 19, the external diameter of shock attenuation 14 all equals with the internal diameter size of shock attenuation loop bar 19, be convenient for connect, be favorable to consuming the energy that vibrations produced simultaneously, the top of shock attenuation 14 all vertically runs through the top of shock attenuation loop bar 19 is connected with the interior roof of shock attenuation groove 13, the outside of shock attenuation loop bar 19 all overlaps and is equipped with damping spring 17, damping spring 17's both ends all with the interior wall connection of shock attenuation groove 13.

The working principle is as follows: firstly, the device is arranged at a designated position on a cold header through an installation plate 11 and an installation hole 8, when a part needs to be processed, a selected multi-station lower die is placed on a clamping base 9, the position is adjusted, then a first electric cylinder 2 is opened, a first clamping plate 3 is pushed to move along a first sliding groove 12 through the first electric cylinder 2 until two sides of the lower die are clamped and fixed, a second electric cylinder 20 is opened, a second clamping plate 4 is pushed to move along a second sliding groove 15 through the second electric cylinder 20 until two ends of the lower die are clamped and fixed, finally a screw 21 is rotated, a limiting block 7 is pushed to move along a limiting groove 24 through the screw 21, so that a pressing plate 6 is driven to press and fix the top end of the lower die, the fixing effect is firmer, after the fixing is finished, the part can be processed through the cold header and the lower die, meanwhile, in the processing process, elastic deformation of a damping spring 17 and the movement of a damping rod 14 in a damping sleeve rod 19 are realized, the vibrations that are favorable to the greatly reduced part machining in-process to produce can, avoid it to cause the damage to multistation lower mould and the device to improve the device and the life of multistation lower mould, do above the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Cold heading machine is multistation lower mould fixture for equipment, including first splint (3), second splint (4), clamp plate (6) and centre gripping base (9), its characterized in that: the bottom of the periphery of the clamping base (9) is provided with mounting plates (11), mounting holes (8) are formed in two sides of each mounting plate (11), first fixing plates (1) are mounted on two sides of the top end of the clamping base (9), first electric cylinders (2) are mounted at two ends of the inner side of each first fixing plate (1), first clamping plates (3) are mounted at the top ends of the clamping bases (9) on the sides, far away from the first fixing plates (1), of the first electric cylinders (2), the first clamping plates (3) are fixedly connected with the first electric cylinders (2), first sliding grooves (12) are formed in two sides of the top end of the clamping base (9) below the first clamping plates (3), first sliding blocks (18) are mounted on two sides of the bottom end of the first clamping plates (3), the first sliding blocks (18) are connected with the first sliding grooves (12), second fixing plates (5) are mounted at two ends of the top end of the clamping base (9), and the two ends of the inner side of the second fixing plate (5) are both provided with a second electric cylinder (20), the top end of the clamping base (9) of the second electric cylinder (20) far away from one side of the second fixing plate (5) is both provided with a second clamping plate (4), the second clamping plate (4) is fixedly connected with the second electric cylinder (20), the two ends of the inner sides of the second clamping plate (4) and the first clamping plate (3) are both provided with a pressing plate (6), the two ends of the top end of the clamping base (9) below the second clamping plate (4) are both provided with a second sliding chute (15), the two sides of the bottom end of the second clamping plate (4) are both provided with a second sliding block (16), the second sliding block (16) is both connected with the second sliding chute (15), the two sides of the inner part of the clamping base (9) are both provided with damping grooves (13), and the bottom ends of the inner part of the damping grooves (13) are both uniformly, damping rod (14) are all installed to the inside of shock attenuation loop bar (19), and the top of damping rod (14) is all vertically run through the top of shock attenuation loop bar (19) and is connected with the interior roof of shock attenuation groove (13), the outside of shock attenuation loop bar (19) all is overlapped and is equipped with damping spring (17), and the both ends of damping spring (17) all with the interior wall connection of shock attenuation groove (13).

2. The multi-station lower die clamping mechanism for the cold header equipment as claimed in claim 1, wherein: first fixed plate (1) and first splint (3) and second splint (4) and second fixed plate (5) all set up about the axis symmetry of centre gripping base (9).

3. The multi-station lower die clamping mechanism for the cold header equipment as claimed in claim 1, wherein: first splint (3) and second splint (4) are close to both ends of clamp plate (6) one side and all are provided with spacing groove (24), and pressure spring (23) are all installed to the inside bottom of spacing groove (24), stopper (7) are all installed to one side that clamp plate (6) are close to spacing groove (24), and stopper (7) all are connected with spacing groove (24), the bottom of stopper (7) all with the top fixed connection of pressure spring (23), the top of first splint (3) and second splint (4) of stopper (7) top all is provided with thread groove (22), and the inside of thread groove (22) all installs screw rod (21), the inside of the equal vertical through thread groove (22) of screw rod (21).

4. The multi-station lower die clamping mechanism for the cold header equipment as claimed in claim 1, wherein: the bottom of the pressing plate (6) is uniformly provided with anti-skid convex lines.

5. The multi-station lower die clamping mechanism for the cold header equipment as claimed in claim 1, wherein: reinforcing ribs (10) are evenly installed on the top ends of the installation plates (11), and the reinforcing ribs (10) are fixedly connected with the side walls of the clamping bases (9).

6. The multi-station lower die clamping mechanism for the cold header equipment as claimed in claim 1, wherein: the outer diameter of the shock absorption rod (14) is equal to the inner diameter of the shock absorption sleeve rod (19).