CN215392005U

CN215392005U - Die for punching spring clip

Info

Publication number: CN215392005U
Application number: CN202022823272.5U
Authority: CN
Inventors: 张勇在; 白笃; 陈美英; 郭养臣; 徐志炜; 李希敏; 包志强; 温秀兰
Original assignee: Baotou Northem Safety Equipment Manufacturing Co ltd
Current assignee: Baotou Northem Safety Equipment Manufacturing Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2022-01-04
Anticipated expiration: 2030-11-30

Abstract

The utility model discloses a die for punching spring clips, which comprises a male die, an upper die plate, inclined wedges, sliding blocks, a movable female die and a lower die plate, wherein the upper die plate is positioned right above the lower die plate, a push rod is vertically fixed at the central position of the upper die plate, the central position of the bottom end of the upper die plate is connected with a fixed plate through a connecting piece, the upper end of the fixed plate is provided with a first through hole matched with the push rod, the bottom end of the fixed plate is fixedly connected with the male die through bolts, the left side and the right side of the upper end of the lower die plate are symmetrically provided with sliding grooves, the sliding blocks are respectively connected in the sliding grooves in a sliding manner in the horizontal direction, one side of each sliding block close to the axis of the push rod is connected with the movable female die, and the inclined wedges matched with the two sliding blocks are respectively and vertically fixed at the left side and the right side of the male die, the utility model can realize the forming of parts only by pushing the push rod to drive the upper die plate to move downwards, the manual bending forming is not needed, and the processing efficiency is improved, the problem that the parts are stressed unevenly due to complete manual operation is solved, and the assembly quality of the parts cannot be guaranteed.

Description

Die for punching spring clip

Technical Field

The utility model relates to the technical field of dies, in particular to a die for punching a spring clip.

Background

The spring clip part has the material thickness of t 0.4-t 1, is similar to a gourd shape, has multiple varieties and no interchangeability of special dies, and has the advantages of cost saving, manual bending forming by a fitter, manufacturing a clamping fixture of the part by the fitter before the bending process and manual completion. However, this not only results in low processing efficiency, but also easily causes the problem of uneven stress on the part when the part is bent manually, so that the shape and size of the part cannot be ensured, thereby affecting the assembly quality of the part.

Therefore, a die for punching spring clips is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a die for punching a spring clip to solve the above-mentioned problems of the prior art.

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

the die for punching the spring clips comprises a male die, an upper die plate, a wedge, sliders, a movable female die and a lower die plate, wherein the upper die plate is positioned right above the lower die plate, a push rod is vertically fixed at the central position of the upper die plate, the central position of the bottom end of the upper die plate is connected with a fixed plate through a connecting piece, a first through hole matched with the push rod is formed in the upper end of the fixed plate, the bottom end of the fixed plate is fixedly connected with the male die through a bolt, sliding grooves are symmetrically formed in the left side and the right side of the upper end of the lower die plate, the sliders are connected with the sliding blocks in a sliding manner in the sliding grooves in the horizontal direction, the movable female die can be detachably connected to one side of each slider close to the axis of the corresponding push rod, at least two push rods penetrating through the bottom ends of the sliders are horizontally fixed in the sliding grooves, one end, close to the axis of each push rod, of each push rod is sleeved with a second spring, one end of each second spring is connected with one end, close to the axis of each sliding groove, and the other end of the second spring is fixed on the side wall of the sliding block, and the left side and the right side of the male die are respectively and vertically fixed with a wedge matched with the two sliding blocks.

Preferably, the connecting piece includes unloading screw and first spring, the upper end of fixed plate and the outside that is located first through-hole equidistant ring be equipped with the screw thread fixed orifices of unloading screw looks adaptation, set up the second through-hole with screw thread fixed orifices one-to-one on the cope match-plate pattern, every the screw of unloading passes the second through-hole and is connected with the screw thread fixed orifices, just be used for connecting the first spring of second through-hole and screw thread fixed orifices between fixed plate and the cope match-plate pattern, and first spring housing is established on the screw of unloading.

Preferably, the movable female die is fixed on the sliding block in a pin or bolt mounting mode.

Preferably, a guide rod matched with the sliding block is horizontally fixed in each sliding groove.

Compared with the prior art, the utility model has the beneficial effects that:

when the bending starts, the blank is pressed into a U shape on a plate bending machine, then the blank is placed on the die, as shown in the figure, the die adopts a wedge structure, wherein a male die is connected with a fixed plate, the fixed plate is connected with an upper die plate through a discharging screw and a push rod, the first spring is pressed down along with the continuous descending of the upper die plate, the male die is in place, the wedges positioned at the left side and the right side of the upper die plate descend and press the two slide blocks, two movable female dies on the two slide blocks move towards the middle to bend and form the U-shaped part inwards, and when the upper die plate returns, a second spring arranged in a lower die plate resets the movable female dies.

In the punching process, the force applied to the left side and the right side of the U-shaped part by the two movable female dies is the same through the matching of the wedge and the sliding block, so that the shape and the size of the part are ensured, the assembly quality of the part can be effectively ensured, and in addition, the part can be formed by only replacing the male die and the movable female dies aiming at the spring clamp parts with different sizes.

In conclusion, the forming of the parts can be realized only by pushing the push rod to drive the upper die plate to move downwards, the operation is very simple, manual bending forming is not needed, the machining efficiency is improved, and the problem that the assembling quality of the parts cannot be guaranteed due to the fact that the parts are stressed unevenly due to complete manual operation is solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of the structure of the lower template.

In the figure: 1. a male die; 2. a fixing plate; 3. mounting a template; 4. a discharge screw; 5. a push rod; 6. a first spring; 7. a wedge; 8. a slider; 9. a movable female die; 10. a lower template; 11. a top rod; 12. a guide bar; 13. a chute; 14. a second spring.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, an embodiment of the present invention is shown:

the die for punching the spring clips comprises a male die 1, an upper die plate 3, a wedge 7, a sliding block 8, a movable female die 9 and a lower die plate 10, wherein the upper die plate 3 is positioned right above the lower die plate 10, a push rod 5 is vertically fixed at the central position of the upper die plate 3, the central position of the bottom end of the upper die plate 3 is connected with a fixed plate 2 through a connecting piece, a first through hole matched with the push rod 5 is formed in the upper end of the fixed plate 2, the bottom end of the fixed plate 2 is fixedly connected with the male die 1 through a bolt, sliding grooves 13 are symmetrically formed in the left side and the right side of the upper end of the lower die plate 10, the sliding grooves 13 are internally and horizontally and evenly and slidably connected with the sliding block 8, the movable female die 9 can be detachably connected to one side, close to the axis of the push rod 5, at least two ejector rods 11 penetrating through the bottom ends of the sliding blocks 8 are horizontally fixed in the sliding grooves 13, and a second spring 14 is sleeved at one end, close to the axis of each ejector rod 11, one end of the second spring 14 is connected with one end of the sliding groove 13 close to the axis of the push rod 5, the other end of the second spring 14 is fixed on the side wall of the sliding block 8, and the left side and the right side of the male die 1 are respectively and vertically fixed with the wedges 7 matched with the two sliding blocks 8.

In this embodiment, the connecting piece includes unloading screw 4 and first spring 6, the equidistant ring in the outside that is located first through-hole in the upper end of fixed plate 2 is equipped with the screw thread fixed orifices with 4 looks adaptations of unloading, set up the second through-hole with screw thread fixed orifices one-to-one on the cope match-plate pattern 3, every the screw 4 of unloading passes the second through-hole and is connected with the screw thread fixed orifices, just be used for connecting the first spring 6 of second through-hole and screw thread fixed orifices between fixed plate 2 and the cope match-plate pattern 3, and first spring 6 cover is established on the screw 4 of unloading.

In this embodiment, the movable female die 9 is fixed on the sliding block 8 by means of a pin or a bolt, so that the movable female die 9 is convenient to replace.

In this embodiment, the slide grooves 13 are horizontally fixed with guide rods 12 matched with the slide blocks 8, so as to ensure that the slide blocks 8 keep moving linearly in the slide grooves 13.

The working principle is as follows: when the bending starts, a blank is pressed into a U shape on a plate bending machine, then the blank is placed on the die, as shown in fig. 1, the die adopts a wedge structure, wherein a male die 1 is connected with a fixed plate 2, the fixed plate 2 is connected with an upper die plate 3 through a discharging screw 4 and a push rod 5, the first spring 6 is pressed down along with the continuous descending of the upper die plate 3, the male die 1 is in place, wedges 7 positioned on the left side and the right side of the upper die plate 3 descend along with the descending of the upper die plate 3 and press two sliding blocks 8, two movable female dies 9 on the two sliding blocks 8 move towards the middle, U-shaped parts are pressed and bent inwards to be formed, and when the upper die plate 3 returns, the second springs 14 arranged in a lower die plate 10 reset the movable female dies 9.

In the punching process, the force applied to the left side and the right side of the U-shaped part by the two movable female dies 9 is the same through the matching of the wedge 7 and the sliding block 8, so that the shape and the size of the part are ensured, the assembly quality of the part can be effectively ensured, and in addition, the part can be formed by only replacing the male die 1 and the movable female dies 9 aiming at the spring clamp parts with different sizes.

In conclusion, the forming of the parts can be realized only by pushing the push rod 5 to drive the upper template 3 to move downwards, the operation is very simple, the manual bending forming is not needed, the machining efficiency is improved, and meanwhile, the problem that the assembling quality of the parts cannot be guaranteed due to the fact that the parts are not uniformly stressed due to manual completion is avoided.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a mould for punching spring clip which characterized in that: including terrace die (1), cope match-plate pattern (3), slide wedge (7), slider (8), activity die (9) and lower bolster (10), cope match-plate pattern (3) are located lower bolster (10) directly over, and the central point department of cope match-plate pattern (3) vertical fixation has push rod (5), the central point department of cope match-plate pattern (3) bottom is connected with fixed plate (2) through the connecting piece, and the upper end of fixed plate (2) set up with the first through-hole of push rod (5) looks adaptation, and the bottom of fixed plate (2) passes through bolt and terrace die (1) fixed connection, spout (13) have been seted up to the left and right sides symmetry of lower bolster (10) upper end, and equal sliding connection has slider (8) in spout (13) in the horizontal direction, one side that slider (8) are close to push rod (5) axis all can be connected with activity die (9), equal horizontal fixation has two at least ejector pins (11) that pass from slider (8) bottom in spout (13) ) One end of each ejector rod (11) close to the axis of the push rod (5) is sleeved with a second spring (14), one end of each second spring (14) is connected with one end of each sliding groove (13) close to the axis of the push rod (5), the other end of each second spring (14) is fixed on the side wall of each sliding block (8), and inclined wedges (7) matched with the two sliding blocks (8) are respectively and vertically fixed on the left side and the right side of the male die (1); the connecting piece is including unloading screw (4) and first spring (6), the equidistant ring in the outside that is located first through-hole in the upper end of fixed plate (2) is equipped with the screw thread fixed orifices with the screw (4) looks adaptation of unloading, set up the second through-hole with screw thread fixed orifices one-to-one on cope match-plate pattern (3), every screw (4) of unloading pass the second through-hole and be connected with the screw thread fixed orifices, be provided with first spring (6) in the screw thread fixed orifices on fixed plate (2) and the second through-hole on cope match-plate pattern (3), just first spring (6) cover is established on the screw (4) of unloading.

2. The die for punching a spring clip according to claim 1, wherein: the movable female die (9) is fixed on the sliding block (8) in a pin or bolt mounting mode.

3. The die for punching a spring clip according to claim 1, wherein: and guide rods (12) matched with the sliding blocks (8) are horizontally fixed in the sliding grooves (13).