CN202398706U

CN202398706U - Combined die for head cutting and rivet hole punching of leaf spring

Info

Publication number: CN202398706U
Application number: CN2011205375956U
Authority: CN
Inventors: 景秀坤; 张德顺; 郭云生
Original assignee: Fawer Liaoning Automobile Spring Co Ltd
Current assignee: Fawer Liaoning Automobile Spring Co Ltd
Priority date: 2011-12-21
Filing date: 2011-12-21
Publication date: 2012-08-29
Anticipated expiration: 2021-12-21

Abstract

A combined die for head cutting and rivet hole punching of a leaf spring relates to a die which is capable of cutting a round head and punching a rivet hole simultaneously for the leaf spring. The combined die is designed to solve the problem that two devices are used for cutting round heads and punching rivet holes for leaf springs currently. The combined die comprises a lower base plate, wherein a material supporting plate with a long hole is installed on the lower base plate, a cushion block with a boss is installed on the material supporting plate, a guide column and a lower knife fixing block are installed on the lower base plate, a lower knife and a padding plate are installed on the lower knife fixing block, a material returning plate with a hole is fixed on the lower knife fixing block, blades are arranged on two sides of the lower knife, a concave die is arranged on the lower knife, blanking through-holes are arranged on the lower knife fixing block, the lower base plate and the padding plate which is arranged below a cutting edge of the concave die, a punch head and a gasket are installed on a punch head fixing block, the punch head fixing block, an upper knife and an upper knife gasket are installed on an upper knife fixing block, blades are arranged on two sides of the upper knife, a guide sleeve on an upper base plate is sleeved on the guide column, the upper knife fixing block is installed on the upper base plate, and a die shank is arranged on the upper base plate. The combined die has the advantages of being capable of cutting the round head and punching the rivet hole simultaneously for the leaf spring on one device.

Description

Spring leaf crop punch rivet holes assembling die

Technical field:

The utility model relates to a kind of mould that can carry out circle of contact head and punch rivet holes simultaneously to the spring leaf after rolling.

Background technology:

Realize at present spring leaf circle of contact head and punch rivet holes with two equipment, that is, use the crop mould during circle of contact head, use the punch rivet holes mould during punch rivet holes, shortcoming is to need equipment many, and recruitment is many, process loaded down with trivial details, the processing cost height.

Summary of the invention:

The utility model technical problem to be solved provides a kind of spring leaf circle of contact head and spring leaf crop punch rivet holes assembling die of can be simultaneously giving after rolling of punch rivet holes.

Above-mentioned purpose is achieved in that it comprises lower shoe, and retainer plate is contained in the rear end of lower shoe through bolt, and slotted hole is arranged on the retainer plate, and cushion block is contained in the slotted hole of retainer plate through bolt; On the cushion block upper surface boss is arranged, through the adjustment bolt cushion block is moved forward and backward in slotted hole, guide pillar is contained in the front end of lower shoe, and following cutter fixed block is contained on the lower shoe through bolt; Following cutter fixed block between guide pillar and retainer plate, following cutter with its below backing plate be contained in down on the cutter fixed block through bolt, stripper is fixed on down on the cutter fixed block, stripper be buckled in down cutter directly over; Porose on the stripper, there is sword the forward and backward both sides of following cutter, and following cutter is provided with die; On the backing plate of below, cutting edge of die place, following cutter fixed block and the lower shoe blanking through hole is arranged, drift is arranged directly over the die, drift all is contained on the drift fixed block with the pad of its top; The drift fixed block is contained on the upper slitter fixed block, and during work, drift can pass through from the hole of stripper; Upper slitter and upper slitter pad are contained on the upper slitter fixed block through bolt, and there is sword the forward and backward both sides of upper slitter, and the sword of the sword of upper slitter rear side and following cutter front side is relative; There is upper plate the top of lower shoe, is fixed with guide pin bushing below the upper plate, and guide pin bushing is sleeved on the guide pillar; The upper slitter fixed block is contained on the upper plate through bolt, and die shank is arranged on the upper plate, and die shank supplies to be connected with press machine.

Squint about spring leaf when preventing work; Can on stripper, set up fixation side baffle plate and active side baffle plate; Wherein the fixation side baffle plate is fixed on the right side of stripper, and the active side baffle plate is contained in the left side of stripper through material returned bolt, and there is the material returned bolt pad material returned bolt end; Spring one end withstands on the active side baffle plate, and the other end withstands on the material returned bolt pad of material returned bolt end.

Skew before and after the upper and lower base plate can be set up two pairs of pieces of tossing about when preventing work, the wherein a pair of left and right sides that is fixed on lower shoe, and another is to being fixed on the corresponding position of upper plate, and the piece of tossing about on toss about piece and the upper plate on the lower shoe does not have the gap cooperation.

The course of work and advantage: the die shank in this device is connected with press machine, the spring leaf front end after rolling is placed on the following cutter of stripper below, according to the length adjustment cushion block of spring leaf; The rear end of spring leaf is withstood on the boss of cushion block, and adjustment active side baffle plate makes active side baffle plate and fixation side baffle plate be attached to the left and right sides of spring leaf; Press machine work drives upper plate and moves downward; Drive drift and upper slitter moved downward when upper plate moved downward, and can give spring leaf circle of contact head and punch rivet holes, advantage simultaneously is on an equipment, can give spring leaf circle of contact head and punch rivet holes simultaneously; Equipment is few; Recruitment is few, and high efficiency has reduced processing cost.

Description of drawings:

Fig. 1 is the main TV structure sketch map of the utility model; Fig. 2 is the plan structure sketch map of the utility model; Fig. 3 is the B-B view of Fig. 2; Fig. 4 is the A-A view of Fig. 2.

The specific embodiment:

With reference to Fig. 1-4, it comprises lower shoe 15, and retainer plate 16 is contained in the rear end of lower shoe through bolt, and slotted hole is arranged on the retainer plate; Cushion block 17 is contained in through bolt in the slotted hole of retainer plate, on the cushion block upper surface boss is arranged, and guide pillar 6 is contained in the front end of lower shoe 15; Following cutter fixed block 14 is contained on the lower shoe through bolt, and following cutter fixed block is between guide pillar 6 and retainer plate 16, and the backing plate 13 of following cutter 12 and its below is contained in down on the cutter fixed block 14 through bolt; Stripper 10 is fixed on down on the cutter fixed block, stripper be buckled in down cutter directly over, porose on the stripper; There is sword the forward and backward both sides of following cutter, and following cutter is provided with die, on the backing plate of below, cutting edge of die place, following cutter fixed block and the lower shoe blanking through hole are arranged; Drift 11 is arranged directly over the die, and drift all is contained on the drift fixed block 9 with the pad 3 of its top, and the drift fixed block is contained on the upper slitter fixed block 4; Upper slitter 8 and upper slitter pad 7 are contained on the upper slitter fixed block 4 through bolt, and there is sword the forward and backward both sides of upper slitter, and the sword of the sword of upper slitter rear side and following cutter front side is relative; There is upper plate 2 top of lower shoe, is fixed with guide pin bushing 5 below the upper plate, and guide pin bushing 5 is sleeved on the guide pillar 6; Upper slitter fixed block 4 is contained on the upper plate 2 through bolt, and die shank 1 is arranged on the upper plate 2, and die shank supplies to be connected with press machine.

Can on stripper 10, set up fixation side baffle plate 23 and active side baffle plate 22; Wherein fixation side baffle plate 23 is fixed on the right side of stripper 10; Active side baffle plate 22 is contained in the left side of stripper 10 through material returned bolt 19; There is material returned bolt pad 20 material returned bolt end, and spring 21 1 ends withstand on the active side baffle plate 22, and the other end withstands on the material returned bolt pad 20 of material returned bolt 19 ends.

Also can set up two pairs of pieces 18 of tossing about, the wherein a pair of left and right sides that is fixed on lower shoe 15, another is to being fixed on the corresponding position of upper plate 2, and the piece 18 no gaps of tossing about on toss about piece 18 and the upper plate on the lower shoe cooperate.

Claims

1. spring leaf crop punch rivet holes assembling die comprises lower shoe (15), it is characterized in that: retainer plate (16) is contained in the rear end of lower shoe through bolt; Slotted hole is arranged on the retainer plate, and cushion block (17) is contained in through bolt in the slotted hole of retainer plate, on the cushion block upper surface boss is arranged; Guide pillar (6) is contained in the front end of lower shoe (15), and following cutter fixed block (14) is contained on the lower shoe through bolt, and following cutter fixed block is positioned between guide pillar (6) and the retainer plate (16); The backing plate (13) of following cutter (12) and its below all is contained in down on the cutter fixed block (14) through bolt, and stripper (10) is fixed on down on the cutter fixed block, stripper be buckled in down cutter directly over; Porose on the stripper, there is sword the forward and backward both sides of following cutter, and following cutter is provided with die; On the backing plate of below, cutting edge of die place, following cutter fixed block and the lower shoe blanking through hole is arranged, drift (11) is arranged directly over the die, drift is contained on the drift fixed block (9) with the pad (3) of its top; The drift fixed block is contained on the upper slitter fixed block (4), and upper slitter (8) and upper slitter pad (7) are contained on the upper slitter fixed block (4) through bolt, and there is sword the forward and backward both sides of upper slitter; The blade of upper slitter and following cutter is relative, and there is upper plate (2) top of lower shoe, is fixed with guide pin bushing (5) below the upper plate; Guide pin bushing (5) is sleeved on the guide pillar (6), and upper slitter fixed block (4) is contained on the upper plate (2) through bolt, and die shank (1) is arranged on the upper plate (2).

2. according to the described spring leaf crop of claim 1 punch rivet holes assembling die; It is characterized in that: on stripper (10), set up fixation side baffle plate (23) and active side baffle plate (22); Wherein fixation side baffle plate (23) is fixed on the right side of stripper (10); Active side baffle plate (22) is contained in the left side of stripper (10) through material returned bolt (19); There is material returned bolt pad (20) material returned bolt end, and spring (21) one ends withstand on the active side baffle plate (22), and the other end withstands on the material returned bolt pad (20) of material returned bolt (19) end.

3. according to claim 1 or 2 described spring leaf crop punch rivet holes assembling dies; It is characterized in that: also have two pairs of pieces of tossing about (18); The wherein a pair of left and right sides that is fixed on lower shoe (15); Another is to being fixed on the corresponding position of upper plate (2), and the no gap of piece of tossing about (18) on the lower shoe and the piece of tossing about (18) on the upper plate cooperates.