CN106984692A - One kind set position die cutting die - Google Patents

Abstract

Position die cutting die is covered the invention discloses one kind, including punch-pin and cavity plate, the insertion charging aperture perpendicular provided with punching mouth and with punching mouth on the cavity plate, described punch-pin one end is intraoral positioned at being punched above mouth and being movable to punching, the other end, which is connected with, is connected with some groups of set hyte parts for fixing material to be punched in fixed plate, the fixed plate；The punch-pin internal run-through is provided with some air flues, and the air flue is connected with the gas-tpe fitting in fixed plate, the gas-tpe fitting is connected with getter device.The present invention on punch-pin by setting air flue, when being punched out, material to be punched is adsorbed by air flue by getter device, then coordinates with cavity plate and completes punching, after the completion of punching, continue to push by punch-pin and finished product is delivered into specified placement location, stop adsorbent equipment putting down finished product, it is possible to increase the punching efficiency of mould, it is ensured that the quality of finished product after punching, reduction punching cost, meets the punching demand of miniaturized products.

Description

A set of punching dies

technical field

The invention relates to the technical field of punching dies, in particular to a nested punching die.

Background technique

The punching die is usually installed on various presses and machinery equipped with pressure devices, and the specified material is punched out of the desired shape by pressing the die.

The existing metal punching die is shown in FIG. 1 , which includes a stripping plate 101 , a fixing plate 102 , a punch 103 , a die plate 104 , an upper die holder 105 and a lower die holder 106 . Among them, the fixed plate 102 plays the role of fixing the punch 103; the unloading plate 101 mainly plays three functions of unloading, guiding, and pressing; the die plate 104 can be used as the cutting edge of the die, and the die can also be inlaid on it. Insert. Four guide pillars 107 are used to guide and fix between the unloading plate 101, the fixing plate 102, and the concave template 104.

When the above metal punching die is working, the material to be punched is placed between the unloading plate 101 and the concave template 104. When punching, the unloading plate 101 is first pressed down to fix the material to be punched, and the punch 103 is pressed down through the unloading The material plate 101 is pressed and punched with the concave template 104, and the waste is discharged along the concave template 104 along with the pressed punch 103; then the punch 103 is lifted up and separated and retreated to the upper side of the unloading plate 101, and the unloading plate 101 separates the finished product from the convex mold. Die 103 separates and stays on concave die plate 104, promptly completes a punching.

However, the above metal punching die separates the waste area by punching and retains the finished product area, which is suitable for the punching of "hollowed out" large-format finished products; if a single small product is punched, the above metal punching die cannot be punched at one time Forming requires multiple times of punching or matching with a knife die to complete the punching, and the punched finished products are randomly distributed above the concave template 104 after being unloaded by the unloading plate 101 . It cannot meet the current market requirements for product miniaturization.

Contents of the invention

The purpose of the present invention is to provide a nested punching die, which can meet the punching requirements of miniaturized products, improve the punching efficiency of the die, ensure the quality of punched finished products, and reduce the punching cost.

To achieve this purpose, the present invention adopts the following technical solutions: a nested punching die, including a punch and a die, the die is provided with a punching notch and a feed port perpendicular to the punching notch, the One end of the punch is located above the punching opening and can be moved into the punching opening, and the other end is connected with a fixing plate, on which several sets of set-up components for fixing the materials to be punched are fixed on the fixed plate, and the set-up components include fixed The sleeve connected to the fixed plate, the spring located in the sleeve and the sleeve pin fixedly connected to one end of the spring and placed in the sleeve, the other end of the spring is fixedly connected to the fixed plate, and the sleeve pin Moving with the punch and passing through the feed port and the material to be punched, fixing the material to be punched and stopping in the die;

A plurality of air passages are provided through the inside of the punch, and the air passages communicate with the air pipe joint on the fixed plate, and the air pipe joint is connected with an air suction device.

As a preference, a sleeve socket is provided at the position corresponding to the sleeve pin on the die, and the sleeve pin passes through the sleeve socket, the feed port and the material to be punched sequentially, and the The material to be punched is fixed and stopped in the die.

Preferably, the set-up hole is arranged in two parts, which are respectively located at the upper and lower ends of the feed inlet.

Preferably, the concave mold is provided with an observation port connected to the feed port.

As a preference, the sleeve components are arranged in four groups, which are evenly distributed on both sides of the punch.

Preferably, the material to be punched enters the concave die through the feed port and is placed under the male die.

Preferably, the shape of the punch is consistent with the shape of the die-cut molded product, and several air channels are arranged on it.

Preferably, the punching slot is arranged to match the structure of the punch.

Preferably, the concave mold is also fixedly connected with several guide pillars arranged symmetrically on both sides of the male mold, and the fixing plate is arranged through the guide pillars and moves along the guide pillars.

Beneficial effects of the present invention:

1. By setting the air channel on the punch, when punching, the suction device will absorb the material to be punched through the air channel, and then cooperate with the die to complete the punching. Press to send the finished product to the designated place, stop the adsorption device, and put the finished product down, which can improve the punching efficiency of the mold, ensure the quality of the finished product after punching, reduce the cost of punching, and meet the punching demand of miniaturized products.

2. By setting the nesting component, while ensuring the positioning of the material to be punched, it solves the problem that the punching die cannot send the punched material out of the die because the positioning pin of the traditional nesting die is too long.

3. By setting the feed port in the die, the lower end of the feed port serves as the cutting edge of the die, and the upper end of the feed port serves as the discharge plate of the traditional stamping die, which can effectively reduce the mold cost.

Description of drawings

Fig. 1 is the metal stamping die structure schematic diagram in the prior art of the present invention;

Fig. 2 is a structural schematic diagram of a sleeve punching die of the present invention;

Fig. 3 is the schematic diagram of the structure of the sleeve punching die provided with the observation port in the present invention;

Fig. 4 is the bottom view of the sleeve punching die (not containing die) of the present invention;

Fig. 5 is the structural representation of die of the present invention;

Fig. 6 is a schematic diagram of the sleeve punching die of the present invention sending the finished product out of the die.

In the picture:

1. Punch die; 2. Die die; 3. Fixing plate; 4. Set assembly; 5. Air duct; 6. Air pipe joint; 7. Guide post; 24, guide post hole; 25, observation port; 41, casing; 42, spring; 43, sleeve pin; 101, unloading plate; 102, fixed plate; 103, punch; 104, concave Template; 105, upper die holder; 106, lower die holder; 107, guide post.

detailed description

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

The present invention provides a kind of sleeve punching die, as shown in Figure 2, it comprises punch 1 and die 2, and punch 1 lower end is provided with punch cutting edge, and it cooperates with die 2 to complete the cutting of the material to be punched. punching;

A punching opening 21 and a feed opening 22 perpendicular to the punching opening 21 are provided through the die 2, and the material to be punched enters the die 2 from the feed opening 22 and is arranged below the punch 1, and the punch 1 One end is located above the punching slot 21 and can be moved into the punching slot 21 , and punches the plate to be punched along the punching slot 21 . In this embodiment, the punching notch 21 is set through the die 2 , and then the punch 1 will continue to move after the punch 1 completes punching of the sheet to be punched, and pushes the punched finished product out of the die 2 .

The other end of the punch 1 is connected with a fixed plate 3, and the fixed plate 3 can be connected with a driving device to drive the punch 1 to move toward the die 2;

There are several sets of sleeve components 4 fixedly connected to the fixing plate 3 , preferably four sets in this embodiment, which are evenly distributed on both sides of the punch 1 , and the sleeve components 4 are used to fix the material to be punched. It can be understood that the above-mentioned nesting components 4 may not only be set in four groups, but may also be set in multiple groups as required. Specifically, the sleeve assembly 4 includes a sleeve 41 fixedly connected to the fixed plate 3, and a spring 42 with one end fixedly connected to the fixed plate 3 is arranged in the sleeve 41, and the other end of the spring 42 is fixedly connected with a sleeve pin. 43, one end of the sleeve pin 43 is placed in the sleeve 41, the other end moves with the punch 1 and passes through the feed port 22 and the material to be punched, and fixes the material to be punched, and passes through the material to be punched After the material is cut, the sleeve pin 43 is held against by the die 2 and does not move, and stops in the die 2 .

The above-mentioned material to be punched is provided with a positioning hole, and the position of the die 2 corresponding to the positioning pin 43 is provided with a positioning jack 23. Specifically, the positioning jack 23 is divided into two parts, which are respectively located at the feeding port The upper and lower ends of 22, when the sleeve pin 43 moves with the punch 1, it passes through the sleeve socket 23 on the upper end of the feed port 22 and the sleeve hole of the material to be punched, and then the material to be punched Fixed, and end in the sleeve socket 23 that is positioned at the lower end.

As a preferred technical solution, as shown in Figure 3, in this embodiment, an observation port 25 connected to the feed port 22 can also be provided on the die 2, through which the operator can visually check Whether the needle 43 is aligned with the sleeve hole on the material to be punched, when not aligned, the position of the material to be punched can be adjusted. In this embodiment, the upper surface of the material to be punched is located within the display range of the viewing port 25, that is to say, the operator can observe the upper surface of the material to be punched from the viewing port 25, so as to better realize the display of the material to be punched. positioning. The position of above-mentioned viewing port 25 is preferably positioned at the left side of feeding port 22 (position shown in Figure 6), and when the operator observes, will not be affected by other parts, it can be understood that this viewing port 25 can also be provided with At other positions of the die 2, it only needs to be able to observe the position of the material to be punched without affecting the punching process.

In this embodiment, a plurality of air passages 5 are provided through the inside of the punch 1, and an air pipe joint 6 communicating with the air passage 5 is provided on the fixed plate 3. The above air pipe joint 6 is connected with an air pipe, and is connected through the air pipe. Aspirator. The punch 1 is moved above the material to be punched, and then the suction device is turned on, and the suction device absorbs the material to be punched on the punch edge of the punch 1 through the air channel 5 .

Preferably, referring to Fig. 4, the shape of the above-mentioned punch 1 is consistent with the shape of the molded product after punching, and several air passages 3 are provided on it. In this embodiment, the punch 1 is preferably set to an L-shaped structure, and its There are three air passages 3 on the top, specifically, two of the three air passages 3 are set on the shorter side of the punch 1, and the other is set on the longer side of the punch 1, so as to more smoothly absorb the Material. Of course, the structure of the punch 1 and the distribution of the air channels 3 in this embodiment are not limited to the above structures, and can be set according to actual production needs.

In this embodiment, the punching notch 21 of the die 2 is matched with the structure of the punch 1. Specifically, as shown in Figure 5, the die 2 is also an L-shaped structure, so that when the punch 1 moves downward, In the punching opening 21, the material to be punched is punched into shape.

In this embodiment, several guide pillars 7 arranged on both sides of the punch 1 are fixedly connected to the die 2. Preferably, the guide pillars 7 can be symmetrically arranged on both sides of the punch 1, specifically on the die 1. 2 is provided with a guide post hole 24 that does not penetrate, and the guide post 7 is fixed in the guide post hole 24; the fixed plate 3 is arranged through the guide post 7, and can move along the guide post 7 under the drive of the driving device. The column 7 is used to guide the movement of the punch 1 and the fixed plate 3, and also play a certain role in supporting the punch 1 and the fixed plate 3. In this embodiment, the guide column 7 can be set to four, which are evenly distributed And symmetrically arranged on the concave mold 2, it can also be set as two, and symmetrically arranged at the middle position of the concave mold 2, in this embodiment, it is preferably set to two.

The punching process of the present invention is set forth below:

The material to be punched with a set hole is sent into the die 2 along the feed port 22; the driving device controls the fixed plate 3 to go down, and the fixed plate 3 drives the punch 1 and the set assembly 4 to go down, during this process The fixed plate 3 is guided by the guide post 7, and then the punch 1 enters the punching opening 21, and simultaneously the setting pins 43 of the setting assembly 4 pass through the setting insertion hole 23 above the feeding port 22 successively, to be punched The nesting hole of the material fixes the material to be punched; at the same time, the airway opening of the airway 5 in the punch 1 generates an adsorption force (that is, opens the suction device) to suck the material to be punched;

Then the driving device continues to drive the fixed plate 3 and the punch 1 to go down, and the set pin 43 passes through the set hole of the material to be punched and enters the set insertion hole 23 below the feed port 22, and the lower end surface of the punch 1 ( That is, the punch edge) and the feed port 22 lower end surface (die edge) of the die 2 complete punching and forming;

The driving device continues to drive the punch 1 downward, the punch 1 absorbs the punched finished product and goes down to the outside of the die 2 along the punching incision 21, as shown in Figure 6, and reaches the designated position, then the suction device is stopped, and the finished product It falls off from the lower end of the punch 1; as the punch 1 continues to descend, the set pin 43 goes to the bottom of the set jack 23 at the lower end of the feed port 22 and no longer goes down, and its force on the set jack 23 Next, the spring 42 in the sleeve 41 is compressed, so that the positioning pin 43 retracts in the sleeve 41, which solves the problem that the punched material cannot be sent out of the die because the positioning pin of the traditional positioning die is too long. question;

After the finished product is put down, the driving device drives the fixed plate 3, the punch 1, and the set assembly 4 to rise. When the punch 1 retreats to the upper end of the feed port 22, the punched waste is taken out, and then the next one to be The punching material is sent into the die 2 along the feed port 22, and then the above steps are repeated to punch and shape the material to be punched until all are completed.

In this embodiment, after the punching is completed, the finished product is sucked, which solves the problem that the punch of the traditional stamping die can only fall freely along the waste discharge hole of the die after punching, and at the same time ensures the relative size of the punch to the designated position precision. And by setting the feed port 22 in the die 2, the lower end surface of the feed port 22 serves as the cutting edge of the die, and the upper end face of the feed port 22 serves as the stripping plate of the traditional stamping die, which can effectively reduce the mold cost.

Apparently, the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, rather than limiting the implementation of the present invention. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. It is not necessary and impossible to exhaustively list all the implementation manners here. All modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the claims of the present invention.

Claims (9)

1. one kind set position die cutting die, it is characterised in that described including punch-pin (1) and cavity plate (2) Insertion is provided with punching mouth (21) and the charging aperture (22) perpendicular with punching mouth (21) on cavity plate (2), Described punch-pin (1) one end is located above punching mouth (21) and is movable in punching mouth (21), the other end It is connected with fixed plate (3), the fixed plate (3) and is connected with some groups of sets for fixing material to be punched Hyte part (4), the set hyte part (4) includes the sleeve pipe (41) being fixed in fixed plate (3), position In the spring (42) in sleeve pipe (41) and affixed and be placed in sleeve pipe (41) with spring (42) one end Set position contact pin (43), the other end of the spring (42) is fixed in fixed plate (3), the set position Contact pin (43) moves through charging aperture (22) and the material to be punched with punch-pin (1), will be described Material to be punched is fixed, and is terminated in cavity plate (2)；

Punch-pin (1) internal run-through is provided with some air flues (5), the air flue (5) and fixed plate (3) On gas-tpe fitting (6) be connected, the gas-tpe fitting (6) is connected with getter device.

2. set position according to claim 1 die cutting die, it is characterised in that the cavity plate (2) is right It should cover provided with set position jack (23) at the position of a contact pin (43), set position contact pin (43) is worn successively Set position jack (23), charging aperture (22) and the material to be punched are crossed, the material to be punched is fixed, And terminate in cavity plate (2).

3. set position according to claim 2 die cutting die, it is characterised in that set position jack (23) two parts are set to, respectively positioned at the upper and lower ends of charging aperture (22).

4. set position according to claim 1 die cutting die, it is characterised in that on the cavity plate (2) Offer the observation panel (25) for being communicated in charging aperture (22).

5. set position according to claim 1 die cutting die, it is characterised in that the set hyte part (4) Four groups are set to, the both sides of punch-pin (1) are distributed on.

6. set position according to claim 5 die cutting die, it is characterised in that the material to be punched Entered by charging aperture (22) in cavity plate (2), and be placed in the lower section of the punch-pin (1).

7. set position according to claim 1 die cutting die, it is characterised in that the punch-pin (1) Shape is consistent with the shaped article shape being punched, and which is provided with some air flues (5).

8. set position according to claim 7 die cutting die, it is characterised in that the punching mouthful (21) Match setting with the structure of the punch-pin (1).

9. according to any described set position die cutting dies of claim 1-8, it is characterised in that the cavity plate (2) some guide pillars (7) for being symmetricly set on punch-pin (1) both sides are also connected with, the fixed plate (3) is worn Guide pillar (7) setting is crossed, and it is mobile along guide pillar (7).