CN213033407U

CN213033407U - Composite die for measuring forming punching

Info

Publication number: CN213033407U
Application number: CN202021402704.9U
Authority: CN
Inventors: 崔传忠; 汪顺来; 李诗华; 任海军; 徐荣华; 王文军
Original assignee: Luode Precision Hardware Wuhu Co ltd
Current assignee: Luode Precision Hardware Wuhu Co ltd
Priority date: 2020-07-16
Filing date: 2020-07-16
Publication date: 2021-04-23
Anticipated expiration: 2030-07-16

Abstract

The utility model discloses a survey compound mould that shaping punched a hole, including last die carrier and lower die carrier, the lower fixed surface who goes up the die carrier is connected with the mould, the last fixed surface of die carrier is connected with the bed die down, the hydraulic pressure chamber has been seted up to the inside of going up the mould, the spout that extends to the hydraulic pressure chamber is seted up to the lower surface of going up the mould, the inner wall sliding connection of spout has first piston, the lower fixed surface of first piston is connected with the catch bar, and the bottom of catch bar and the upper surface overlap joint of bed die, the sliding tray has been seted up to the inner diapire in hydraulic pressure chamber. This survey compound mould that takes shape and punch a hole through setting up toper slider, stopper, first spring, second spring and push rod, when the toper slider of being convenient for contacted the bed die, toper slider extrusion stopper made the stopper break away from in the draw-in groove of push rod surface, made the pressure in the hydraulic pressure intracavity ejecting with the drift to reach the mesh of punching a hole after the shaping, saved cost and time.

Description

Composite die for measuring forming punching

Technical Field

The utility model relates to a compound mould technical field specifically is a survey compound mould that takes shape and punch a hole.

Background

The blank is formed into a tool with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like. The die has a specific contour or inner cavity shape, the blank can be separated (blanked) according to the contour shape by applying the contour shape with the cutting edge, and the blank can obtain a corresponding three-dimensional shape by applying the inner cavity shape.

When a workpiece with large deformation is formed, forming processing is carried out firstly and then punching processing is carried out, but two sets of dies are needed in the processing mode, so that the processing cost and time are greatly increased.

Therefore, a composite die for measuring, forming and punching is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a survey compound mould that shaping punched a hole to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the composite die for measuring forming punching comprises an upper die frame and a lower die frame, wherein an upper die is fixedly connected to the lower surface of the upper die frame, a lower die is fixedly connected to the upper surface of the lower die frame, a hydraulic cavity is formed in the upper die, a sliding chute extending to the hydraulic cavity is formed in the lower surface of the upper die, a first piston is slidably connected to the inner wall of the sliding chute, a push rod is fixedly connected to the lower surface of the first piston, the bottom end of the push rod is in lap joint with the upper surface of the lower die, a sliding groove is formed in the inner bottom wall of the hydraulic cavity, a second piston is slidably connected to the inner wall of the sliding groove, a push rod is fixedly connected to the lower surface of the second piston, a punch is arranged at the bottom end of the push rod, and a lower punch die matched with the punch.

Preferably, the opposite face fixedly connected with guide of going up die carrier and lower die carrier, the quantity of guide is four, and four guides are the upper surface four corners department that the rectangle array set up at last die carrier.

Preferably, the lower surface of the upper die is provided with a top groove, the inner wall of the top groove is connected with a conical sliding block in a sliding mode, the upper surface of the conical sliding block is fixedly connected with a first spring, and the top end of the first spring is fixedly connected with the inner top wall of the top groove.

Preferably, the inner wall of sliding tray has seted up the spacing groove, the inner wall sliding connection of spacing groove has the stopper, the draw-in groove with stopper looks adaptation is seted up on the surface of push rod, and the inner wall of draw-in groove and the surface joint of stopper.

Preferably, the top end of the push rod is fixedly connected with a strong spring, and the top end of the strong spring is fixedly connected with the inner top wall of the hydraulic cavity.

Preferably, the rectangular hole has been seted up on the surface of stopper, and the inner wall in rectangular hole and the surperficial sliding connection of toper slider, the side fixedly connected with second spring of stopper, and the second spring keeps away from the one end of stopper and the inside wall fixed connection of spacing groove.

Advantageous effects

The utility model provides a survey compound mould that takes shape and punch a hole possesses following beneficial effect:

1. this survey compound mould that takes shape and punch a hole, through setting up catch bar, first piston, second piston, push rod and drift, be convenient for when last mould descends, the catch bar extrudees first piston, makes the pressure increase in the hydraulic pressure chamber to drive second piston extrusion drift, in order to reach the purpose that punches a hole.

2. This survey compound mould that takes shape and punch a hole through setting up toper slider, stopper, first spring, second spring and push rod, when the toper slider of being convenient for contacted the bed die, toper slider extrusion stopper made the stopper break away from in the draw-in groove of push rod surface, made the pressure in the hydraulic pressure intracavity ejecting with the drift to reach the mesh of punching a hole after the shaping, saved cost and time.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

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

fig. 3 is a schematic perspective view of the limiting block.

In the figure: the device comprises an upper die frame 1, a lower die frame 2, an upper die 3, a lower die 4, a hydraulic cavity 5, a first piston 6, a push rod 7, a second piston 8, a push rod 9, a punch 10, a guide part 11, a conical slide block 12, a first spring 13, a limiting block 14, a strong spring 15 and a second spring 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a survey compound mould that takes shape and punch a hole, includes die carrier 1 and lower die carrier 2, goes up the opposite face fixedly connected with guide 11 of die carrier 1 and lower die carrier 2, and the quantity of guide 11 is four, and four guide 11 are the upper surface four corners department that the rectangle array set up at last die carrier 1.

Go up lower fixed surface of die carrier 1 and be connected with mould 3, the last fixed surface of die carrier 2 is connected with bed die 4 down, hydraulic pressure chamber 5 has been seted up to the inside of going up mould 3, be provided with hydraulic oil in the hydraulic pressure chamber 5, the spout that extends to hydraulic pressure chamber 5 is seted up to the lower surface of going up mould 3, the inner wall sliding connection of spout has first piston 6, the lower fixed surface of first piston 6 is connected with catch bar 7, and the bottom of catch bar 7 and the upper surface overlap joint of bed die 4, the top fixedly connected with powerful spring 15 of catch bar 7, and the top of powerful spring 15 and the interior roof fixed connection of hydraulic pressure chamber 5.

The sliding tray has been seted up to the inner diapire in hydraulic pressure chamber 5, the inner wall sliding connection of sliding tray has second piston 8, the lower surface fixedly connected with push rod 9 of second piston 8, the bottom of push rod 9 is provided with drift 10, the inner diapire of bed die 4 is provided with the drift lower mould with drift 10 looks adaptation, through setting up catch bar 7, first piston 6, second piston 8, push rod 9 and drift 10, be convenient for when last mould 3 descends, catch bar 7 extrudes first piston 6, make the increase of pressure in hydraulic pressure chamber 5, and drive second piston 8 extrusion drift 10, in order to reach the mesh that punches a hole.

The lower surface of the upper die 3 is provided with a top groove, the inner wall of the top groove is connected with a conical sliding block 12 in a sliding manner, the upper surface of the conical sliding block 12 is fixedly connected with a first spring 13, the top end of the first spring 13 is fixedly connected with the inner top wall of the top groove, the inner wall of the sliding groove is provided with a limiting groove, the inner wall of the limiting groove is connected with a limiting block 14 in a sliding manner, the surface of the push rod 9 is provided with a clamping groove matched with the limiting block 14, the inner wall of the clamping groove is clamped with the surface of the limiting block 14, the surface of the limiting block 14 is provided with a rectangular hole, the inner wall of the rectangular hole is connected with the surface of the conical sliding block 12 in a sliding manner, the side surface of the limiting block 14 is fixedly connected with a second spring 16, one end of the second spring 16 far away from the limiting block 14 is fixedly connected with the inner side wall of the limiting, the conical sliding block 12 extrudes the limiting block 14, so that the limiting block 14 is separated from the clamping groove on the surface of the push rod 9, and the punch 10 is ejected out by the pressure in the hydraulic cavity 5, thereby achieving the purpose of punching after molding and saving the cost and time.

The working principle is as follows: when the composite die for forming and punching is used, hydraulic oil is added into the hydraulic cavity 5, the die is fixed on an oil press, and in the process of operating the oil press, the upper die 3 descends, the push rod 9 drives the first piston 6 to move, the oil pressure in the hydraulic cavity 5 is increased, when the conical sliding block 12 contacts the lower die 4, the conical sliding block 12 pushes the limit block 14 to be separated from the clamping groove on the surface of the push rod 9, the oil pressure in the hydraulic cavity 5 drives the punch 10 to descend, and completes the punching work, after the forming and punching are finished, the oil press drives the upper die 3 to ascend, the conical sliding block 12 is reset under the acting force of the first spring 13 and drives the limit block 14 to move, meanwhile, the strong spring 15 drives the push rod 7 to reset, and the limit block 14 is clamped in the clamping groove on the surface of the push rod 9, by using the composite die for measuring, forming and punching, the purpose of punching after forming is achieved, and cost and time are saved.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a survey compound mould that takes shape and punch a hole, includes die carrier (1) and lower die carrier (2), its characterized in that: the lower surface of the upper die carrier (1) is fixedly connected with an upper die (3), the upper surface of the lower die carrier (2) is fixedly connected with a lower die (4), a hydraulic cavity (5) is arranged inside the upper die (3), a sliding groove extending to the hydraulic cavity (5) is arranged on the lower surface of the upper die (3), the inner wall of the chute is connected with a first piston (6) in a sliding way, the lower surface of the first piston (6) is fixedly connected with a push rod (7), the bottom end of the push rod (7) is lapped with the upper surface of the lower die (4), the inner bottom wall of the hydraulic cavity (5) is provided with a sliding groove, the inner wall of the sliding groove is connected with a second piston (8) in a sliding way, the lower surface of the second piston (8) is fixedly connected with a push rod (9), the bottom end of the push rod (9) is provided with a punch (10), and the inner bottom wall of the lower die (4) is provided with a punch lower die matched with the punch (10).

2. A composite die for side forming and punching according to claim 1, wherein: go up opposite face fixedly connected with guide (11) of die carrier (1) and lower die carrier (2), the quantity of guide (11) is four, and four guide (11) are the upper surface four corners department that the rectangle array set up at last die carrier (1).

3. A composite die for side forming and punching according to claim 1, wherein: the lower surface of the upper die (3) is provided with a top groove, the inner wall of the top groove is connected with a conical sliding block (12) in a sliding mode, the upper surface of the conical sliding block (12) is fixedly connected with a first spring (13), and the top end of the first spring (13) is fixedly connected with the inner top wall of the top groove.

4. A composite die for side forming and punching according to claim 1, wherein: the inner wall of sliding tray has seted up the spacing groove, the inner wall sliding connection of spacing groove has stopper (14), the draw-in groove with stopper (14) looks adaptation is seted up on the surface of push rod (9), and the inner wall of draw-in groove and the surface joint of stopper (14).

5. A composite die for side forming and punching according to claim 1, wherein: the top end of the push rod (7) is fixedly connected with a strong spring (15), and the top end of the strong spring (15) is fixedly connected with the inner top wall of the hydraulic cavity (5).

6. A composite die for side forming and punching according to claim 4, wherein: the surface of stopper (14) has seted up the rectangular hole, and the inner wall in rectangular hole and the surperficial sliding connection of toper slider (12), the side fixedly connected with second spring (16) of stopper (14), and second spring (16) keep away from the one end of stopper (14) and the inside wall fixed connection of spacing groove.