CN-224224618-U - Briquetting machine door locking device

CN224224618UCN 224224618 UCN224224618 UCN 224224618UCN-224224618-U

Abstract

The utility model is suitable for the technical field of briquetting machines, and provides a door locking device of a briquetting machine, which comprises a lock rod used for locking a door cover of the briquetting machine, wherein an accommodating space is arranged in the lock rod, a clamping piece is fixedly connected in the accommodating space, a lock head assembly is arranged in the accommodating space of the lock rod, the lock head assembly comprises a special-shaped block clamped with the clamping piece and a transition piece abutted against the inner wall of the accommodating space, a lock head is fixedly connected on the transition piece, and the door locking device can quickly recover a working state under the condition that the front end of the lock head is abnormally worn by adjusting the relative positions of the clamping piece and the lock head assembly, so that the maintenance efficiency is improved, and the working efficiency is improved.

Inventors

ZHANG HUI
LIU LU
XU ZHOU
LI XIN

Assignees

山东君合机械制造有限公司

Dates

Publication Date: 20260512
Application Date: 20250424

Claims (6)

1. The briquetting machine door locking device is characterized by comprising a lock rod for locking a briquetting machine door cover, wherein an accommodating space is arranged in the lock rod, and a clamping piece is fixedly connected in the accommodating space; The lock rod comprises a lock rod body and is characterized in that a lock head assembly is arranged in an accommodating space of the lock rod body, the lock head assembly comprises a special-shaped block clamped with a clamping piece and a transition piece abutted to the inner wall of the accommodating space, and a lock head is fixedly connected to the transition piece.
2. The briquetting machine door locking device according to claim 1, wherein a central shaft is fixedly connected in the lock rod, an elastic piece is sleeved outside the central shaft, one end of the elastic piece is fixedly connected in the lock rod, the other end of the elastic piece is fixedly connected with a baffle, and the baffle is abutted against the special-shaped block.
3. The briquetting machine door locking device of claim 2, wherein at least one group of clamping pieces is fixedly connected in the lock rod, and one group of clamping pieces is arranged as a retainer ring clamped with the special-shaped block.
4. The briquetting machine door locking device according to claim 3, wherein the special-shaped blocks are elliptical, gaps are arranged between a group of check rings, the minimum diameter of the special-shaped blocks can pass through the gaps, protrusions are fixedly connected on the special-shaped blocks, and pin holes matched with the protrusions are formed in the check rings.
5. The briquetting machine door locking device of claim 4, wherein the lock head assembly further comprises a transition shaft fixedly connected with the special-shaped piece, a connecting shaft is fixedly connected between the transition shaft and the transition piece, the centers of the transition shaft and the connecting shaft are respectively provided with a channel capable of allowing the central shaft to pass through, and the outer diameters of the transition shaft and the connecting shaft are smaller than the inner diameter of the check ring.
6. The briquetting machine door locking device according to claim 5, wherein the transition piece is provided with a limiting shaft, the outer wall of the limiting shaft is attached to the inner wall of the space in the lock rod, and the locking head is fixedly connected to the limiting shaft.

Description

Briquetting machine door locking device Technical Field The utility model relates to the technical field of briquetting machines, in particular to a door locking device of a briquetting machine. Background The metal briquetting machine extrudes various light and thin metal scraps (scraps, shavings, scrap steel, scrap aluminum, scrap copper, scrap stainless steel, scrapped car scraps and the like) into qualified furnace charges in various shapes such as cuboid, octagonal body, cylinder and the like, is convenient to store and transport, and is ideal equipment for treating the metal scraps in steelworks, nonferrous metal factories and smelting factories. The existing metal briquetting machine has the problems of abrasion or fracture under the condition of long-term use of a bolt, difficult maintenance and low efficiency, thereby influencing the working efficiency of the briquetting machine. The patent publication No. CN 221339700U's chinese patent discloses a hydraulic pressure metal briquetting machine door locking device, relates to metal briquetting machine door locking mechanism technical field, which comprises a bod, one side of organism is provided with the door closure, one side of organism is provided with pushes away the lid hydro-cylinder, one side of organism is provided with the side push hydro-cylinder, one side of organism is provided with the main hydro-cylinder that pushes away, one side of organism is provided with locking device, locking device includes the door locking hydro-cylinder, first circular hole has been seted up to one side of organism, one side fixedly connected with fixed plate that the organism is close to first circular hole, first screw has been seted up to one side of fixed plate, one side fixedly connected with ring flange of door locking hydro-cylinder, the second circular hole has been seted up to one side of ring flange, and above-mentioned door locking device is difficult for maintaining, influences work efficiency. In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed. Disclosure of utility model Aiming at the defects, the utility model aims to provide a door locking device of a briquetting machine, which can quickly restore the working state, improve the maintenance efficiency and improve the working efficiency. In order to achieve the aim, the utility model provides a door locking device of a briquetting machine, which comprises a lock rod used for locking a door cover of the briquetting machine, wherein an accommodating space is arranged in the lock rod, a clamping piece is fixedly connected in the accommodating space, a lock head assembly is arranged in the accommodating space of the lock rod, the lock head assembly comprises a special-shaped block clamped with the clamping piece and a transition piece abutted against the inner wall of the accommodating space, and a lock head is fixedly connected on the transition piece. According to the briquetting machine door locking device, the central shaft is fixedly connected in the lock rod, the elastic piece is sleeved outside the central shaft, one end of the elastic piece is fixedly connected in the lock rod, the other end of the elastic piece is fixedly connected with the baffle, and the baffle is abutted against the special-shaped block. According to the briquetting machine door locking device, at least one group of clamping pieces are fixedly connected in the lock rod, and one group of clamping pieces are arranged as check rings clamped with the special-shaped blocks. According to the door locking device of the briquetting machine, the special-shaped blocks are elliptical, gaps are formed between a group of check rings, the minimum diameter of each special-shaped block can pass through the gaps, the special-shaped blocks are fixedly connected with bulges, and pin holes matched with the bulges are formed in the check rings. According to the briquetting machine door locking device, the lock head assembly further comprises a transition shaft fixedly connected with the special-shaped piece, a connecting shaft is fixedly connected between the transition shaft and the transition piece, the centers of the transition shaft and the connecting shaft are respectively provided with a channel capable of containing a central shaft to pass through, and the outer diameters of the transition shaft and the connecting shaft are smaller than the inner diameter of the check ring. According to the briquetting machine door locking device, the transition piece is arranged to be a limiting shaft, the outer wall of the limiting shaft is attached to the inner wall of the space in the lock rod, and the locking head is fixedly connected to the limiting shaft. The utility model provides a door locking device of a briquetting machine, which comprises a lock rod used for locking a door cover of the briquetting machine, wherein an accommodating space is formed in the lock rod, a clamp