A feeding mechanism for a cold stamping progressive die

Abstract

The application discloses a feeding mechanism of a cold-punching progressive die, which comprises a feeding mechanism body, a feeding direction of the feeding mechanism body is defined as a front-rear direction, the feeding mechanism body comprises a feeding frame, a connecting rod assembly, a front feeding fixed plate, a rear feeding fixed plate, a rotating shaft arranged along a left-right direction and a driving assembly, the front feeding fixed plate and the rear feeding fixed plate are arranged on the feeding frame and can move along the front-rear direction, feeding fingers are installed on the front feeding fixed plate and the rear feeding fixed plate, the connecting rod assembly comprises a front connecting rod, a middle connecting rod and a rear connecting rod which are arranged in sequence from front to back, the middle connecting rod is fixed on the rotating shaft, the front end of the middle connecting rod is hinged to the rear end of the front connecting rod, the rear end of the middle connecting rod is hinged to the front end of the rear connecting rod, the front end of the front connecting rod is hinged to the front feeding fixed plate, and the rear end of the rear connecting rod is hinged to the rear feeding fixed plate. The feeding mechanism of the cold-punching progressive die has the characteristics of simple structure, low cost, stable and reliable operation and high feeding efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of molds, in particular to a feeding mechanism of a cold punching progressive die. BACKGROUND

[0002] The cold punching progressive die is composed of multiple stations, each station is sequentially associated to complete different processing, and a series of different stamping processes are completed in one stroke of the punch. At present, the feeding mechanism of the cold punching progressive die has the problems of complex structure and low feeding efficiency, and therefore it is urgent to solve. SUMMARY

[0003] The present application aims at the above-mentioned problems, and provides a feeding mechanism of a cold punching progressive die to solve the problems of complex structure and low feeding efficiency of the feeding mechanism of the existing cold punching progressive die.

[0004] The purpose of the present application is achieved by the following technical solutions:

[0005] The feeding mechanism of the cold punching progressive die comprises a feeding mechanism body, the feeding direction of the feeding mechanism body is defined as the front-rear direction, the feeding mechanism body comprises a feeding frame, a connecting rod assembly, a front feeding fixed plate, a rear feeding fixed plate, a rotating shaft arranged in the left-right direction, and a driving assembly for driving the rotating shaft to rotate, the front feeding fixed plate and the rear feeding fixed plate are arranged on the feeding frame and can move in the front-rear direction, and feeding fingers for transferring the material are arranged on the front feeding fixed plate and the rear feeding fixed plate, the connecting rod assembly comprises a front connecting rod, an intermediate connecting rod and a rear connecting rod arranged in sequence from front to back, the intermediate connecting rod is fixed on the rotating shaft, the front end of the intermediate connecting rod is hinged to the rear end of the front connecting rod, the rear end of the intermediate connecting rod is hinged to the front end of the rear connecting rod, the front end of the front connecting rod is hinged to the front feeding fixed plate, and the rear end of the rear connecting rod is hinged to the rear feeding fixed plate.

[0006] As a preferred scheme of the present application, the driving assembly comprises a cylinder, a rack and a gear capable of engaging with the rack, the piston rod of the cylinder extends downward, the rack is arranged in the vertical direction, the upper end of the rack is connected to the piston rod of the cylinder, and the gear is fixed on the rotating shaft.

[0007] As a preferred scheme of the present application, the cylinder is installed on the upper die of the cold punching progressive die.

[0008] As a preferred scheme of the present application, the lower end of the rack is connected with a limiting pad for limiting the rotation angle of the gear.

[0009] As a preferred scheme of the present application, a guide rod is arranged on the feeding frame in the front-rear direction, and the front feeding fixed plate and the rear feeding fixed plate are both slidingly connected to the guide rod.

[0010] As a preferred scheme of the present application, the connecting rod assembly is two and symmetrically arranged on the rotating shaft.

[0011] The present application has the advantages that the feeding mechanism of the cold-punching progressive die has the characteristics of simple structure, low cost, stable and reliable operation, and high feeding efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view of the feeding mechanism of the cold-punching progressive die;

[0013] Figure 2 It is a top view of the feeding mechanism of the cold-punching progressive die. DETAILED DESCRIPTION

[0014] The technical scheme of the present application will be further described below in combination with the drawings and through specific embodiments. It can be understood that the embodiments described herein are only used to explain the present application, but not to limit the present application.

[0015] Please refer to Figure 1 and Figure 2 shown, Figure 1 It is a front view of the feeding mechanism of the cold-punching progressive die; Figure 2 It is a top view of the feeding mechanism of the cold-punching progressive die.

[0016] In the present embodiment, a feeding mechanism of a cold-punching progressive die comprises a feeding mechanism body, the feeding direction of the feeding mechanism body is defined as front-rear direction, the feeding mechanism body comprises a feeding frame 11, a connecting rod assembly, a front feeding fixed plate 1, a rear feeding fixed plate 2, a rotating shaft 3 arranged in left-right direction, and a driving assembly for driving the rotating shaft 3 to rotate, the front feeding fixed plate 1 and the rear feeding fixed plate 2 are both arranged on the feeding frame 11 and can move in the front-rear direction, and the front feeding fixed plate 1 and the rear feeding fixed plate 2 are both provided with feeding fingers for transferring materials, the connecting rod assembly comprises a front connecting rod 4, an intermediate connecting rod 5, and a rear connecting rod 6 arranged in front-rear direction, the intermediate connecting rod 5 is fixed on the rotating shaft 3, the front end of the intermediate connecting rod 5 is hinged to the rear end of the front connecting rod 4, the rear end of the intermediate connecting rod 5 is hinged to the front end of the rear connecting rod 6, the front end of the front connecting rod 4 is hinged to the front feeding fixed plate 1, and the rear end of the rear connecting rod 6 is hinged to the rear feeding fixed plate 2.

[0017] The driving assembly comprises a cylinder 7, a rack 8 and a gear 9 engaged with the rack 7, the piston rod of the cylinder 7 extends downward, the rack 8 is arranged along the vertical direction, the upper end of the rack 8 is connected to the piston rod of the cylinder 7, and the gear 9 is fixed to the rotating shaft 3; the feeding mechanism of the cold punching progressive die can realize feeding without the power of the punch and is directly driven by the cylinder 7.

[0018] Preferably, the cylinder 7 is installed on the upper die of the cold punching progressive die, so that the feeding mechanism body can be driven by the power of the punch itself.

[0019] In order to limit the rotating angle of the gear 9, the lower end of the rack 8 is connected with a limiting pad 10 for limiting the rotating angle of the gear 9 in the embodiment.

[0020] In order to ensure the smooth movement of the front feeding fixed plate 1 and the rear feeding fixed plate 2, guide rods 12 are arranged on the feeding frame 11 along the front-rear direction, and the front feeding fixed plate 1 and the rear feeding fixed plate 2 are both slidingly connected to the guide rods 12.

[0021] In order to ensure the stability of operation, the connecting rod assembly is two and is symmetrically arranged on the rotating shaft 3.

[0022] In operation, the punch drives the upper die to move downward, thereby driving the cylinder 7 and the rack 8 connected to the piston rod of the cylinder 7 to move downward, so as to drive the gear 9 to rotate, the rotation of the gear 9 drives the rotating shaft 3 to rotate, and then the rear feeding fixed plate 2 is driven to move forward through the transmission of the connecting rod assembly, the feeding fingers on the rear feeding fixed plate 2 drive the belt to move forward, at the same time, the front feeding fixed plate 1 is moved backward to position the feeding fingers on the front feeding fixed plate 1 into the process holes on the belt, then the punch drives the upper die to move upward and reset, the cylinder 7 and the rack 8 on the piston rod of the cylinder 7 move upward, thereby driving the gear 9 to rotate reversely, also driving the rotating shaft 3 to rotate reversely, and then the rear feeding fixed plate 2 is driven to move backward through the transmission of the connecting rod assembly, the feeding fingers on the rear feeding fixed plate 2 move backward after being separated from the process holes on the belt, at the same time, the front feeding fixed plate 1 moves forward, the feeding fingers on the front feeding fixed plate 1 drive the belt to move forward, and the above process is repeated to realize the transfer of the belt, and the transfer efficiency is greatly improved.

[0023] The above embodiments only illustrate the basic principles and characteristics of the present application, and the present application is not limited to the above embodiments, and various changes and modifications can be made without departing from the spirit and scope of the present application, and these changes and modifications all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims.

Claims

1. A feed mechanism for a cold-stamping progressive die, comprising a feed mechanism body, characterized in that: The feeding direction of the feeding mechanism body is defined as the front-rear direction, the feeding mechanism body comprises a feeding frame, a connecting rod assembly, a front feeding fixed plate, a rear feeding fixed plate, a rotating shaft arranged along the left-right direction and a driving assembly for driving the rotating shaft to rotate, the front feeding fixed plate and the rear feeding fixed plate are arranged on the feeding frame and can move along the front-rear direction, and feeding fingers for transferring the material are arranged on the front feeding fixed plate and the rear feeding fixed plate, the connecting rod assembly comprises a front connecting rod, an intermediate connecting rod and a rear connecting rod arranged in sequence from front to rear, the intermediate connecting rod is fixed on the rotating shaft, the front end of the intermediate connecting rod is hinged to the rear end of the front connecting rod, the rear end of the intermediate connecting rod is hinged to the front end of the rear connecting rod, the front end of the front connecting rod is hinged to the front feeding fixed plate, and the rear end of the rear connecting rod is hinged to the rear feeding fixed plate; The driving assembly comprises a cylinder, a rack and a gear capable of engaging with the rack, the piston rod of the cylinder extends downward, the rack is arranged along the vertical direction, and the upper end of the rack is connected to the piston rod of the cylinder, and the gear is fixed on the rotating shaft; During operation, the punch drives the upper die to move downward, thereby driving the cylinder and the rack connected to the piston rod of the cylinder to move downward, so as to drive the gear to rotate, the rotation of the gear drives the rotating shaft to rotate, and the rear feeding fixed plate is driven to move forward through the transmission of the connecting rod assembly, the feeding fingers on the rear feeding fixed plate drive the material to move forward, at the same time, the front feeding fixed plate is driven to move backward to position the feeding fingers on the front feeding fixed plate into the process hole on the material, then the punch drives the upper die to move upward, the cylinder and the rack on the piston rod of the cylinder move upward, thereby driving the gear to rotate reversely, also driving the rotating shaft to rotate reversely, and the rear feeding fixed plate is driven to move backward through the transmission of the connecting rod assembly, the feeding fingers on the rear feeding fixed plate move backward away from the process hole on the material, at the same time, the front feeding fixed plate is driven to move forward, and the feeding fingers on the front feeding fixed plate drive the material to move forward.

2. A feed mechanism for a progressive die cold punch as claimed in claim 1, wherein: The cylinder is installed on the upper die of the cold punching progressive die.

3. A feed mechanism for a progressive die cold heading die as defined in claim 2 wherein: The lower end of the rack is connected with a limiting pad for limiting the rotation angle of the gear.

4. A feed mechanism for a progressive die cold heading die as defined in claim 3 wherein: The feeding frame is provided with a guide rod arranged along the front-rear direction, and the front feeding fixed plate and the rear feeding fixed plate are slidingly connected to the guide rod.

5. A feeding mechanism for a progressive die for cold stamping according to any one of claims 1 to 4, characterized in that: The connecting rod assembly comprises two connecting rod assemblies symmetrically arranged on the rotating shaft.

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