CN216066847U

CN216066847U - Lower die trimming device of steel ball cold header

Info

Publication number: CN216066847U
Application number: CN202122116438.4U
Authority: CN
Inventors: 秦本洋
Original assignee: Anhui Ningguo Ninghu Steel Ball Co ltd
Current assignee: Anhui Ningguo Ninghu Steel Ball Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-03-18
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a lower die trimming device of a steel ball cold header, which comprises a machine body, wherein the machine body is in a U shape, a hydraulic oil cylinder is fixedly connected to the upper end of the machine body, a fixed plate is fixedly connected to the movable end of the hydraulic oil cylinder, a groove is formed in the lower end of the fixed plate, a sliding groove is formed in the top of the groove, a bidirectional lead screw is rotatably connected to the inner wall of the sliding groove, two sliding plates are in threaded connection with the side wall of the bidirectional lead screw, and the two sliding plates are in sliding connection with the inner wall of the sliding groove. According to the utility model, the polishing head is driven to rotate through the rotation of the motor through the disc, the fixing seat and the vertical rod, so that the inner wall of the lower die is repaired, meanwhile, the telescopic rod is adjusted to contract to drive the vertical rod to rotate, and further, the polishing head is driven to rotate, so that the polishing head can adjust the polishing position, different positions of the lower die are repaired under the condition that the lower die is fixed, the fixed position of the lower die does not need to be frequently replaced, and the repairing efficiency of the lower die is accelerated.

Description

Lower die trimming device of steel ball cold header

Technical Field

The utility model relates to the technical field of steel ball cold headers, in particular to a lower die trimming device of a steel ball cold header.

Background

The steel ball cold heading machine is special equipment which takes a pier as a main part and is specially used for producing fasteners such as nuts and bolts in batches, and a lower die of the steel ball cold heading machine needs to be trimmed by a polishing head after being used for a period of time.

Fix the lower mould earlier before repairing the lower mould at present, then carry out automatic trimming in using the head of polishing to the lower mould, but because present head of polishing rigidity for when needing to repair different positions in the lower mould, just need adjust the fixed position of lower mould, make and carry out frequent dismouting to the lower mould, complex operation, degree of automation is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a lower die trimming device of a steel ball cold header.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a steel ball cold heading machine lower mould trimming device, includes the organism, the organism is the U type form, organism upper end fixedly connected with hydraulic cylinder, hydraulic cylinder expansion end fixedly connected with fixed plate, the fixed plate lower extreme is seted up flutedly, the spout has been seted up at the recess top, the spout inner wall rotates and is connected with two-way lead screw, two-way lead screw lateral wall threaded connection has two slides, two slide and spout inner wall sliding connection, two the equal fixedly connected with splint of lateral wall that the slide is close to each other, the organism lower extreme passes through bracing piece fixedly connected with diaphragm, be equipped with the grinding machanism who polishes to the lower mould on the diaphragm.

Preferably, grinding machanism is including seting up the circular slot in diaphragm upper end, be equipped with the disc in the circular slot, diaphragm lower extreme fixedly connected with motor, motor expansion end and disc lower extreme fixed connection, disc upper end fixedly connected with fixing base, the fixing base upper end is rotated and is connected with the montant, montant upper end fixedly connected with head of polishing.

Preferably, the upper end of the disc is rotatably connected with a telescopic rod, and the movable end of the telescopic rod is rotatably connected with the side wall of the vertical rod.

Preferably, the splint is arc-shaped, and the side wall of the splint is provided with anti-skidding lines.

Preferably, one end of the bidirectional screw penetrates through the side wall of the fixing plate and is fixedly connected with a hand wheel, and a rubber pad is glued on the side wall of the hand wheel.

Preferably, the lateral wall of the bidirectional screw rod outside the fixing plate is provided with threads, and the threaded lateral wall is provided with a nut.

The utility model has the following beneficial effects:

1. through setting up two-way lead screw, slide and splint, rotate two-way lead screw for two slides of threaded connection at two-way lead screw lateral wall are close to each other, carry out two splint and can press from both sides tightly the lower mould, and is easy and simple to handle, and the practicality is strong.

2. Through setting up grinding machanism and telescopic link, the motor rotates through the disc, fixing base and montant drive the head of polishing rotate, thereby maintain the lower mould inner wall, it can drive the montant rotation to adjust the telescopic link shrink simultaneously, and then drive the head of polishing and rotate, thereby the head of polishing can adjust the position of polishing, make and maintain its different positions under the fixed condition of lower mould, need not to frequently change the fixed position of lower mould, thereby accelerate the efficiency of repairing to the lower mould.

Drawings

FIG. 1 is a schematic structural diagram of a lower die trimming device of a steel ball cold header, which is provided by the utility model;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural diagram of a cross-sectional view in the B-B direction in the lower die trimming device of the steel ball cold header provided by the utility model.

In the figure: the device comprises a machine body 1, a hydraulic oil cylinder 2, a fixing plate 3, a groove 4, a sliding groove 5, a bidirectional screw rod 6, a sliding plate 7, a clamping plate 8, a hand wheel 9, a nut 10, a transverse plate 11, a circular groove 12, a disc 13, a fixing seat 14, a vertical rod 15, a polishing head 16, a motor 17 and an expansion rod 18.

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 a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a steel ball cold heading machine lower mould trimming device, including organism 1, organism 1 is the U type form, 1 upper end fixedly connected with hydraulic cylinder 2 of organism, hydraulic cylinder 2 activity end fixedly connected with fixed plate 3, fixed plate 3 lower extreme is seted up flutedly 4, spout 5 has been seted up at 4 tops of recess, 5 inner walls of spout rotate and are connected with two-

way lead screw

6, 6 lateral wall threaded connection of two-way lead screw has two slides 7, two

slides

7 and 5 inner wall sliding connection of spout, the equal fixedly connected with splint 8 of lateral wall that two slides 7 are close to each other, 1 lower extreme of organism passes through bracing piece fixedly connected with diaphragm 11, be equipped with the grinding machanism who polishes the lower mould on the diaphragm 11.

Grinding machanism is including seting up at the circular slot 12 of diaphragm 11 upper end, is equipped with disc 13 in the circular slot 12, and diaphragm 11 lower extreme fixedly connected with motor 17, motor 17 expansion end and disc 13 lower extreme fixed connection, disc 13 upper end fixedly connected with fixing base 14, and the rotation of fixing base 14 upper end is connected with montant 15, and the fixedly connected with head 16 is ground on montant 15.

The upper end of the disc 13 is rotatably connected with a telescopic rod 18, and the movable end of the telescopic rod 18 is rotatably connected with the side wall of the vertical rod 15.

Further, when different positions in the lower die need to be repaired, the telescopic rod 18 is adjusted to contract at the moment, the vertical rod 15 drives the polishing head 16 to rotate downwards, the position of the polishing head 16 is adjusted, the disc 13 can drive the polishing head 16 to rotate when rotating, different positions in the lower die can be repaired, and the repairing efficiency is improved.

The clamping plate 8 is arc-shaped, and the side wall of the clamping plate 8 is provided with anti-skid lines.

One end of the bidirectional screw 6 penetrates through the side wall of the fixing plate 3 and is fixedly connected with a hand wheel 9, the side wall of the hand wheel 9 is glued with a rubber pad, the side wall of the bidirectional screw 6, which is positioned outside the fixing plate 3, is provided with a thread, and the thread side wall is provided with a nut 10.

Further, after the two-way screw 6 rotates to enable the two clamping plates 8 to clamp and fix the lower die, the nut 10 is rotated at the moment, the nut 10 is tightly attached to the side wall of the fixing plate 3, the rotating position of the two-way screw 6 can be fixed, the positions of the two clamping plates 8 are fixed, and stability of the lower die after fixing is guaranteed.

According to the utility model, a lower die is placed in a groove 4, a hand wheel 9 is rotated to drive a bidirectional screw 6 to rotate, two sliding plates 7 which are in threaded connection with the side wall of the bidirectional screw 6 are close to each other, two clamping plates 8 are close to each other, the lower die is clamped by the two clamping plates 8, then a nut 10 is rotated to enable the nut 10 to be tightly attached to the side wall of a fixing plate 3, the positions of the two clamping plates 8 are fixed, and the stability of the fixed lower die is ensured;

then, the extension of the hydraulic oil cylinder 2 is adjusted, the lower die moves downwards to enable the polishing head 16 to be in contact with the lower die, then the motor 17 is driven to rotate, the disc 13 rotates, and the polishing head 16 is driven to rotate through the fixed seat 14 and the vertical rod 15, so that the lower die is trimmed;

when different positions in the lower die need to be repaired, the telescopic rod 18 is adjusted to contract at the moment, the vertical rod 15 drives the polishing head 16 to rotate downwards, and then the hydraulic cylinder 2 is adjusted to extend again, so that the lower die moves downwards, the polishing head 16 can be in contact with different positions in the lower die, and when the disc 13 drives the polishing head 16 to rotate, different positions in the lower die can be repaired at the moment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A lower die trimming device of a steel ball cold header comprises a machine body (1), wherein the machine body (1) is U-shaped, it is characterized in that the upper end of the machine body (1) is fixedly connected with a hydraulic oil cylinder (2), a fixed plate (3) is fixedly connected with the movable end of the hydraulic oil cylinder (2), a groove (4) is formed at the lower end of the fixed plate (3), the top of the groove (4) is provided with a chute (5), the inner wall of the chute (5) is rotationally connected with a bidirectional screw rod (6), the side wall of the bidirectional screw rod (6) is in threaded connection with two sliding plates (7), the two sliding plates (7) are in sliding connection with the inner wall of the chute (5), the side walls of the two sliding plates (7) close to each other are fixedly connected with clamping plates (8), the lower end of the machine body (1) is fixedly connected with a transverse plate (11) through a supporting rod, and a polishing mechanism for polishing the lower die is arranged on the transverse plate (11).

2. The lower die trimming device of the steel ball cold header as claimed in claim 1, wherein the grinding mechanism comprises a circular groove (12) formed in the upper end of a transverse plate (11), a circular disc (13) is arranged in the circular groove (12), a motor (17) is fixedly connected to the lower end of the transverse plate (11), the movable end of the motor (17) is fixedly connected to the lower end of the circular disc (13), a fixed seat (14) is fixedly connected to the upper end of the circular disc (13), a vertical rod (15) is rotatably connected to the upper end of the fixed seat (14), and a grinding head (16) is fixedly connected to the upper end of the vertical rod (15).

3. The lower die trimming device of the steel ball cold header as claimed in claim 2, wherein the upper end of the disc (13) is rotatably connected with a telescopic rod (18), and the movable end of the telescopic rod (18) is rotatably connected with the side wall of the vertical rod (15).

4. The lower die trimming device of the steel ball cold header as claimed in claim 1, wherein the clamping plate (8) is arc-shaped, and the side wall of the clamping plate (8) is provided with anti-skid lines.

5. The lower die trimming device of the steel ball cold header as claimed in claim 1, wherein one end of the bidirectional screw (6) penetrates through the side wall of the fixing plate (3) and is fixedly connected with a hand wheel (9), and a rubber pad is glued on the side wall of the hand wheel (9).

6. The lower die trimming device of the steel ball cold header as claimed in claim 5, wherein the side wall of the bidirectional screw rod (6) outside the fixed plate (3) is threaded, and the threaded side wall is provided with a nut (10).