Multi-station cold header
Technical Field
The utility model belongs to the technical field of cold heading machines, and particularly relates to a multi-station cold heading machine.
Background
The cold header is special equipment specially used for mass production of nuts, bolts and other fasteners. The metal blank is pressed at normal temperature to produce plastic deformation in the mold cavity and to form the metal blank in certain shape and size. The multi-station cold header is a special equipment for manufacturing fasteners and special-shaped pieces, and is formed according to a specified shape and size by applying pressure to a metal blank at normal temperature through a cold header process to enable the metal blank to generate plastic deformation in a die cavity. The equipment is usually provided with a plurality of stations, and a plurality of working procedures such as cutting off, ball pressing, angle pressing, punching, forming and the like can be completed in one operation, so that the production efficiency and the product quality are improved, the existing multi-station cold header is not stable enough when driving a metal blank to move and punch, the metal blank can shift when moving, the punching block and the punching head are misplaced when punching, defective products are easily produced, and the production quality is seriously affected.
Disclosure of utility model
In order to overcome the defects, the utility model provides the multi-station cold header, which solves the problems that the multi-station cold header is not stable enough when driving a metal blank to move and punch, so that the metal blank can shift when moving, the stamping block and the stamping head are misplaced when stamping, defective products are easy to generate, and the production quality is seriously affected.
In order to achieve the purpose, the multi-station cold header comprises a cold header body, wherein one side of the cold header body is provided with a first motor, an output shaft of the first motor is provided with a rotating block through penetrating through the cold header body, the inner wall of the rotating block is fixedly connected with a linkage rod, one side of the linkage rod is fixedly connected with an L-shaped seat, one side of the L-shaped seat is rotatably connected with a rotating shaft, one side of the rotating shaft is provided with a linkage seat, the inner wall of the linkage seat is slidably connected with a connecting rod, one end of the connecting rod is fixedly connected with a limiting column, one end of the connecting rod, far away from the limiting column, is provided with a sliding cylinder, the outer part of the sliding cylinder is fixedly connected with a sliding seat, and one side of the sliding seat is provided with three stamping blocks.
As a further scheme of the utility model, the inner wall of the cold header body is fixedly connected with two mounting blocks, a sliding rod is arranged between the two mounting blocks, and the sliding rod is in sliding connection with the inner wall of the sliding cylinder.
As a further scheme of the utility model, two mounting brackets are arranged on the sliding seat, a first electric telescopic rod is arranged on each mounting bracket, and the same lifting frame is arranged below the two first electric telescopic rods.
As a further scheme of the utility model, one side of the lifting frame is fixedly connected with three second motors, each second motor output shaft is provided with a bidirectional threaded rod, the bidirectional threaded rods are rotatably connected with the lifting frame, and three limiting rods are arranged in the lifting frame.
As a further scheme of the utility model, the two-way threaded rod is externally connected with two clamping plates in a threaded manner, and the clamping plates are in sliding connection with the limiting rod.
According to the further scheme, a feed inlet is formed in the cold header body, one side of the cold header body is fixedly connected with a second electric telescopic rod, a stamping head is mounted on one side of the second electric telescopic rod, the stamping head corresponds to the stamping block in position, and a collecting box is connected to the inner bottom of the cold header body in a sliding mode.
Compared with the prior art, the utility model has the beneficial effects that:
1. This multistation cold heading machine through setting up first motor, the commentaries on classics piece, L shape seat and a slide section of thick bamboo, first motor drives the commentaries on classics piece through the output shaft and rotates, make the inside gangbar of commentaries on classics piece drive L shape seat with changeing the piece rotation, simultaneously along with L shape seat rotation, and then drive the pivot and rotate between L shape seat and the gangbar, thereby let L shape seat drive the gangbar seat slide outside the connecting rod, the gangbar promotes the connecting rod and slides outside the slide section of thick bamboo with a slide section of thick bamboo, and then drive the outside slide seat of a slide section of thick bamboo and carry out horizontal migration, make the slide seat drive the metal blank of centre gripping in the installing support together remove, thereby make the metal blank on the punching press piece remove to different punching press heads and process, improve the stability that the punching press piece removed, and improve work efficiency.
2. This multistation cold heading machine through setting up second motor, first electric telescopic handle, grip block and installing support, drives the crane through first electric telescopic handle and removes to drive three second motor simultaneously and remove together, the second motor makes the two-way threaded rod drive the grip block and carries out relative movement through driving two-way threaded rod in the crane rotation, thereby realizes that the centre gripping is fixed to the metal blank, thereby is convenient for carry out the centre gripping to the metal blank of different specifications, through the fixed connection of installing support and sliding seat, thereby lets the metal blank remove more stably.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic cross-sectional view of a cold header body and a first motor according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a sliding seat and a lifting frame according to the present utility model;
The cold header comprises a cold header body, a first motor, a rotating block, a 4-shaped linkage rod, a 5-shaped seat, a 6-shaped rotation shaft, a 7-shaped linkage seat, an 8-shaped connection rod, a 9-shaped limit column, a 10-shaped slide cylinder, an 11-shaped installation block, a 12-shaped slide rod, a 13-shaped slide seat, a 14-shaped punching block, a 15-shaped installation support, a 16-shaped first electric telescopic rod, a 17-shaped lifting frame, a 18-shaped second motor, a 19-shaped bidirectional threaded rod, a 20-shaped limit rod, a 21-shaped clamping plate, a 22-shaped feeding port, a 23-shaped second electric telescopic rod, a 24-shaped punching head, a 25-shaped collection box.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
As shown in fig. 1-3, the utility model provides a technical scheme that the multi-station cold header comprises a cold header main body 1, wherein two mounting blocks 11 are fixedly connected to the inner wall of the cold header main body 1, a slide bar 12 is arranged between the two mounting blocks 11, the slide bar 12 is in sliding connection with the inner wall of a slide cylinder 10, and the slide bar 12 is arranged to limit the slide cylinder 10, so that the slide cylinder 10 can horizontally move in the limit of the slide bar 12, and the slide cylinder 10 can conveniently drive a slide seat 13 to move together;
The cold header body 1 is provided with a feed inlet 22, one side of the cold header body 1 is fixedly connected with a second electric telescopic rod 23, one side of the second electric telescopic rod 23 is provided with a stamping head 24, the stamping head 24 corresponds to the stamping block 14 in position, the bottom of the cold header body 1 is slidably connected with a collecting box 25, and the collecting box 25 is arranged to collect machined parts in a concentrated mode, so that the machined parts can be carried out uniformly;
The cold header comprises a cold header body 1, a first motor 2, a rotating block 3 is arranged on an output shaft of the first motor 2 through penetrating through the cold header body 1, a linkage rod 4 is fixedly connected to the inner wall of the rotating block 3, a rotating shaft 6 is rotatably connected to one side of an L-shaped seat 5,L fixedly connected to one side of the linkage rod 4, a linkage seat 7 is arranged on one side of the rotating shaft 6, a connecting rod 8 is slidably connected to the inner wall of the linkage seat 7, a limit column 9 is fixedly connected to one end of the connecting rod 8, and the limit column 9 is arranged, so that when the L-shaped seat 5 drives the linkage seat 7 to slide outside the connecting rod 8, the limit column 9 can limit the linkage seat 7, and the linkage seat 7 is prevented from being separated from the connecting rod 8, so that the stability of the linkage seat 7 when the connecting rod 8 slides outside the connecting rod 8 is improved;
The sliding cylinder 10 is arranged at one end of the connecting rod 8 far away from the limit post 9, the sliding seat 13 is fixedly connected to the outer part of the sliding cylinder 10, three stamping blocks 14 are arranged on one side of the sliding seat 13, two mounting brackets 15 are arranged on the sliding seat 13, a first electric telescopic rod 16 is arranged on the mounting brackets 15, the same lifting frame 17 is arranged below the two first electric telescopic rods 16, and the first electric telescopic rod 16 drives the lifting frame 17 to move up and down by driving the lifting frame 17, so that clamping plates 21 in the lifting frame 17 move together, and metal blanks with different specifications are conveniently adapted;
three second motors 18 are fixedly connected to one side of the lifting frame 17, a bidirectional threaded rod 19 is installed on an output shaft of each second motor 18, the bidirectional threaded rod 19 is rotationally connected with the lifting frame 17, three limiting rods 20 are installed in the lifting frame 17, two clamping plates 21 are connected with the bidirectional threaded rod 19 in an external threaded mode, the clamping plates 21 are slidably connected with the limiting rods 20, when the bidirectional threaded rod 19 drives the clamping plates 21 to move, the clamping plates 21 slide outside the limiting rods 20, so that the limiting rods 20 can limit the clamping plates 21, the clamping plates 21 can move stably, and the clamping stability of the clamping plates 21 is improved.
The working principle of the utility model is as follows:
When the metal blank pressing machine is used, a metal blank enters the cold header main body 1 through the feeding hole 22, the second motor 18 drives the bidirectional threaded rod 19 through the output shaft to drive the clamping plate 21 to move relatively, so that the metal blank is clamped and fixed, then the first motor 2 drives the rotating block 3 to rotate, the linkage rod 4 drives the L-shaped seat 5 to rotate together along with the rotating block 3, the L-shaped seat 5 can drive the linkage seat 7 to slide outside the connecting rod 8 when rotating, the L-shaped seat 5 drives the linkage seat 7 to rotate through the rotating shaft 6, the linkage seat 7 is controlled to slide up and down on the surface of the connecting rod 8, the connecting rod 8 is driven to move left and right along with the linkage seat 7, the connecting rod 8 is driven to slide on the sliding rod 12, the sliding seat 13 is driven to push the metal blank conveniently, different stamping heads 24 are driven to punch the metal blank, the clamping plate 21 is driven to loosen through the second motor 18 after the stamping is completed, the metal blank clamped by the clamping plate 21 falls into the collecting box 25, and the stamping of the metal blank is completed.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.