CN216176299U

CN216176299U - Pressing die for producing step rod

Info

Publication number: CN216176299U
Application number: CN202122152674.1U
Authority: CN
Inventors: 刘彬; 施灿辉; 王文国
Original assignee: Xiamen Dahonghan Metal Material Technology Co ltd
Current assignee: Xiamen Dahonghan Metal Material Technology Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-04-05
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a pressing die for producing a step rod, which belongs to the field of alloy rods and comprises male dies and female dies, wherein a forming groove is formed in the female die, the forming groove penetrates through the female die and extends to the top surface and the bottom surface of the female die, a guide mechanism is detachably arranged at the bottom of the female die, two groups of male dies are arranged, and the two groups of male dies are respectively inserted into the forming groove from the top surface and the bottom surface of the female die; the male die comprises a base, a punching plate and a punching groove, wherein the punching plate is integrally formed on the top surface of the base, the punching groove is formed in the top surface of the punching plate, the side wall of the punching plate is in sliding connection with the forming groove, the punching groove comprises a first pressing groove, a transition groove and a second pressing groove, and the first pressing groove, the transition groove and the second pressing groove jointly form a complete punching groove.

Description

Pressing die for producing step rod

Technical Field

The utility model relates to the technical field of alloy bars, in particular to a pressing die for producing a step bar.

Background

In alloy rod production process, often adopt the embossing mold utensil to carry out the compression molding to alloy rod and handle, wherein at production step stick in-process, because the one end diameter ratio of step stick is less than other end diameter to in the pressing process of step stick, need multiple technology just can accomplish the manufacturing to the step stick, the process is comparatively loaded down with trivial details, and at the in-process of production step stick, there is the use of raw materials comparatively extravagant, can not practice thrift the used raw materials of production step stick.

Therefore, it is desirable to provide a press die for producing a step bar to solve the above problems.

Disclosure of Invention

The utility model aims to provide a pressing die for producing a step rod, which completes the pressing overshoot of the step rod by arranging a punching groove on a male die and synchronously inserting two male die differences into a forming groove on a female die from the top surface and the bottom surface of the female die respectively, so that the use of raw materials is reduced during pressing, the cost is saved, and the manufacturing procedures are reduced, thereby solving the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a pressing die for producing a step rod comprises male dies and female dies, wherein forming grooves are formed in the female dies, penetrate through the female dies and extend to the top surface and the bottom surface of the female dies, guide mechanisms are detachably mounted at the bottoms of the female dies, two groups of male dies are arranged, and the two groups of male dies are respectively inserted into the forming grooves from the top surface and the bottom surface of the female dies;

the male die comprises a base, a punching plate and a punching groove, wherein the punching plate is integrally formed on the top surface of the base, the punching groove is formed in the top surface of the punching plate, and the side wall of the punching plate is in sliding connection with the forming groove;

the punching groove comprises a first pressing groove, a transition groove and a second pressing groove, and the first pressing groove, the transition groove and the second pressing groove jointly form a complete punching groove.

Preferably, the groove diameter of the first indent is 1.5mm, the groove diameter of the second indent is 2.16mm, and the inclination angle of the transition groove from the first indent to the second indent is 15.5 °.

Preferably, the unilateral gap between the forming groove in the female die and the punching plate is 0.01 mm.

Preferably, the guide mechanism comprises a slot, a movable plate, a fixed seat and a spring, the slot is formed in the female die, one end of the fixed seat is inserted into the slot, and the other end of the fixed seat is installed on the inner side wall of the bottom of the female die through a screw.

Preferably, the side wall of the fixed seat is slidably connected with a movable plate, and the bottom end of the movable plate is provided with an arc-shaped chamfer.

Preferably, the spring is installed to the inside of fixing base and one side equidistance of movable plate, and the spring spacing groove has all been seted up to the inside of fixing base and the inside of movable plate, the spring spacing groove is arranged in respectively at the both ends of spring.

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

the utility model provides a pressing die for producing a step rod, which is characterized in that punching grooves are formed in a male die, the two male die differences are respectively and synchronously inserted into forming grooves in a female die from the top surface and the bottom surface of the female die, and the single-side gap between the forming groove in the female die and a punching plate is 0.01mm, so that the use of raw materials is reduced by 20-30% during pressing, and the cost is saved.

And the manufacturing mode that the two male dies are inserted into the forming grooves of the female die is adopted, so that the processes can be reduced in the process of manufacturing the step rod, and the processing is convenient.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic view of a negative mold structure of the present invention;

FIG. 4 is a schematic cross-sectional view of the female mold of the present invention;

fig. 5 is an enlarged structural diagram at B in fig. 4 according to the present invention.

Reference numbers in the figures: 1. a base; 2. punching a plate; 3. notching; 301. a first indent; 302. a transition groove; 303. a second press groove; 4. a female die; 5. forming a groove; 6. a guide mechanism; 601. a slot; 602. moving the plate; 603. a fixed seat; 604. a 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.

The utility model provides a pressing die for producing a step rod as shown in figures 1-5, which comprises a male die and a female die 4, wherein a forming groove 5 is formed in the female die 4, the forming groove 5 penetrates through the female die 4 and extends to the top surface and the bottom surface of the female die 4, a guide mechanism 6 is detachably mounted at the bottom of the female die 4, the guide mechanism 6 comprises a slot 601, a moving plate 602, a fixed seat 603 and a spring 604, the slot 601 is formed in the female die 4, one end of the fixed seat 603 is inserted into the slot 601, the other end of the fixed seat 603 is mounted on the inner side wall of the bottom of the female die 4 through a screw, the side wall of the fixed seat 603 is slidably connected with the moving plate 602, the bottom end of the moving plate 602 is provided with an arc-shaped chamfer, and the moving plate 602 is used for transition through a punching plate 2 of the lower male die so that the lower male die can be conveniently inserted into the forming groove 5.

The springs 604 are arranged in the fixed seat 603 and on one side of the moving plate 602 at equal intervals, spring limiting grooves are formed in the fixed seat 603 and the moving plate 602, two ends of each spring 604 are arranged in the spring limiting grooves respectively, and the moving plate 602 can move in the fixed seat 603 in a telescopic mode through telescopic motion of the springs 604, so that the punch plate 2 on the lower punch male die can be guided and can have a buffering effect, and the moving plate 602 is prevented from being damaged due to extrusion on the punch plate 2 of the lower punch male die.

The two groups of male molds are respectively inserted into the forming groove 5 from the top surface and the bottom surface of the female mold 4, each male mold comprises a base 1, a punching plate 2 and a punching groove 3, the punching plate 2 is integrally formed on the top surface of the base 1, the punching groove 3 is formed in the top surface of the punching plate 2, and the side wall of the punching plate 2 is in sliding connection with the forming groove 5;

the notching 3 comprises a first pressing groove 301, a transition groove 302 and a second pressing groove 303, and the first pressing groove 301, the transition groove 302 and the second pressing groove 303 form a complete notching 3; the groove diameter of the first pressure groove 301 is 1.5mm, the groove diameter of the second pressure groove 303 is 2.16mm, the inclination angle of the transition groove 302 from the first pressure groove 301 to the second pressure groove 303 is 15.5 degrees, and the punch plates 2 on the two male dies are butted in the forming groove 5, so that the step rod can be pressed and formed under the action of the punch groove 3 on the male dies, specifically, the two male dies are an upper punch male die and a lower punch male die, the punch plates 2 on the upper punch male die and the lower punch male die can be inserted into the forming groove 5 in the female die 4, and the step rod can be extruded by the punch grooves 3 on the upper punch male die and the lower punch male die to form the step rod.

Wherein, the unilateral clearance between the forming groove 5 and the punching plate 2 in the female die 4 is 0.01mm, so that the clearance between the punching plate 2 and the forming groove 5 is reduced, and the generation of waste materials after the step rod is formed is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A pressing die for producing a step bar comprises a male die and a female die (4), and is characterized in that: a forming groove (5) is formed in the female die (4), the forming groove (5) penetrates through the female die (4) and extends to the top surface and the bottom surface of the female die (4), a guide mechanism (6) is detachably mounted at the bottom of the female die (4), two groups of male dies are arranged, and the two groups of male dies are respectively inserted into the forming groove (5) from the top surface and the bottom surface of the female die (4);

the male die comprises a base (1), a punching plate (2) and a punching groove (3), wherein the punching plate (2) is integrally formed on the top surface of the base (1), the punching groove (3) is formed in the top surface of the punching plate (2), and the side wall of the punching plate (2) is in sliding connection with the forming groove (5);

the notching (3) comprises a first pressing groove (301), a transition groove (302) and a second pressing groove (303), and the first pressing groove (301), the transition groove (302) and the second pressing groove (303) jointly form a complete notching (3).

2. A press die for producing a stepped bar according to claim 1, wherein: the groove diameter of the first pressing groove (301) is 1.5mm, the groove diameter of the second pressing groove (303) is 2.16mm, and the inclination angle of the transition groove (302) from the first pressing groove (301) to the second pressing groove (303) is 15.5 degrees.

3. A press die for producing a stepped bar according to claim 1, wherein: and a unilateral gap between the forming groove (5) in the female die (4) and the punching plate (2) is 0.01 mm.

4. A press die for producing a stepped bar according to claim 1, wherein: the guide mechanism (6) comprises a slot (601), a moving plate (602), a fixed seat (603) and a spring (604), the slot (601) is formed in the female die (4), one end of the fixed seat (603) is inserted into the slot (601), and the other end of the fixed seat (603) is installed on the inner side wall of the bottom of the female die (4) through a screw.

5. A compaction tool for producing stepped bars according to claim 4 wherein: the side wall of the fixed seat (603) is connected with a movable plate (602) in a sliding mode, and an arc-shaped chamfer is arranged at the bottom end of the movable plate (602).

6. A compaction tool for producing stepped bars according to claim 4 wherein: spring (604) are installed to the inside of fixing base (603) and one side equidistance of movable plate (602), and the spring spacing groove has all been seted up to the inside of fixing base (603) and the inside of movable plate (602), the spring spacing groove is arranged respectively in at the both ends of spring (604).