CN213856639U - Automatic cylindrical porous stamping die with spring mechanism - Google Patents

Abstract

The utility model discloses an automatic cylindrical porous stamping die with a spring mechanism, which comprises a die handle, an upper die base, an upper die component, a lower die component and a lower die base, wherein the die handle is fixed at the top end of the upper die base, the upper die component is fixed at the bottom end of the upper die base, and the lower die component is fixed at the top end of the lower die base and is arranged opposite to the upper die component; the upper die component comprises a base plate, a fixing plate A, a fixing plate B, a spring mechanism C and an upper female die, wherein the fixing plate A is fixed at the bottom end of the base plate and surrounds the outer side of the fixing plate B; the spring mechanism C is arranged in a through hole formed in the middle of the fixing plate B, the spring mechanism B is installed in the space between the fixing plate A and the fixing plate B, and the upper female die is connected with the spring mechanism C and the base plate through the spring mechanism B. This scheme simple structure, convenient operation is convenient for cut, deep-drawing and punch a hole the masterbatch at the stamping process, has better shaping effect, improves work efficiency, has fine market using value.

Description

Automatic cylindrical porous stamping die with spring mechanism

Technical Field

The utility model relates to a mould frock field especially relates to, a porous stamping die of automatic cylinder with spring mechanism.

Background

With the continuous development of science and technology, the demands of people on various parts are continuously increased, and a plurality of dies for processing the parts are developed for producing the parts in a large scale and high efficiency. However, most of the devices for processing the parts adopt casting dies, namely forging is carried out in a molten steel glue pouring mode, and the processing mode is complicated, time-consuming and low in safety; the existing various stamping dies are not perfect in part processing, the functions of the dies are single, when various processes are required to be carried out on parts, a plurality of dies are required to complete the part manufacturing task, and the efficiency is low; some dies can perform various processes, but the structure is complicated, and the energy consumption is large; some whole dies can not be disassembled, so that the dies can not be replaced and used after being damaged, and resources are wasted; finally, the whole process is often completed by cooperation of more than one person, which results in waste of human resources, and therefore, it is urgent to develop an automatic cylindrical member processing apparatus which is simple, efficient, highly safe, and capable of being partially disassembled for maintenance and reducing manpower.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a novel plastic part deep-drawing integrative forming die that punches a hole is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an automatic cylindrical porous stamping die with a spring mechanism comprises a die handle, an upper die holder, an upper die component, a lower die component and a lower die holder, wherein the die handle is fixed in the middle of the top end of the upper die holder, the upper die component is fixed at the bottom end of the upper die holder, the lower die component is fixed at the top end of the lower die holder, and the upper die component is positioned above the lower die component and arranged oppositely;

the upper die component comprises a base plate, a fixing plate A, a fixing plate B, a spring mechanism C and an upper female die, the base plate is fixed in the middle of the bottom end of the upper die base, and the fixing plate B is fixed in the middle of the bottom end of the base plate; the fixing plate A is fixed at the bottom end of the backing plate and surrounds the outer side of the fixing plate B;

a through hole penetrating through the fixing plate B is formed in the middle of the fixing plate B, the spring mechanism C is arranged in the through hole of the fixing plate B, the top end of the spring mechanism C is connected with the bottom end of the backing plate, and the bottom end of the spring mechanism C is connected with the middle of the top end of the upper female die;

the spring mechanism B is arranged in the space between the fixing plate A and the fixing plate B, the top end of the spring mechanism B is connected with the bottom end of the backing plate, and the bottom end of the spring mechanism B is connected with the top end of the upper female die;

the lower part of the fixing plate B is provided with a plurality of knockout rods, the upper female die is provided with knockout holes penetrating through the upper female die corresponding to the positions of the knockout rods, and the knockout rods penetrate through the knockout holes.

Preferably, in the automatic cylindrical porous stamping die with the spring mechanism, the lower die component comprises a drop female die, a blank holder, a spring mechanism A and a lower male die, the lower male die is fixed in the middle of the top end of the lower die holder, and the drop female die surrounds the outer side of the lower male die;

the spring mechanism A is installed in the space between the breaking female die and the lower male die, the spring mechanism A is fixed on the lower die holder, and the top end of the spring mechanism A is connected with the blank holder.

Preferably, in the automatic cylindrical multi-hole stamping die with the spring mechanism, a blanking hole penetrating through the lower male die is formed in the position, corresponding to the knockout rod, of the lower male die, and the size of an opening at the top end of the blanking hole is matched with that of the knockout rod; the diameter of the lower part of the blanking hole is larger than that of the opening of the blanking hole.

Preferably, in the automatic cylindrical porous stamping die with the spring mechanism, the top end of the inner side of the drop die extends towards the direction of the lower punch to form an extension part, the upper part of the outer side of the blank holder is inwards recessed to form a limit, and the limit structure is matched with the extension part in structure.

Preferably, in the automatic cylindrical porous stamping die with the spring mechanism, the maximum height of the blank holder is flush with the top surface of the lower male die and slightly lower than the height of the drop female die.

Preferably, in the automatic cylindrical porous stamping die with the spring mechanism, the spring mechanism a, the spring mechanism B and the spring mechanism C are all composed of a telescopic sleeve and a spring sleeved on the telescopic sleeve.

Preferably, in the automatic cylindrical porous stamping die with the spring mechanism, the distance between the drop female die and the lower male die is matched with the width of the lower part of the blank holder; and the thickness of the die wall of the upper female die is matched with the width of the top end of the blank holder.

Preferably, in the automatic cylindrical porous stamping die with the spring mechanism, the upper die component further comprises a pressing component, and the pressing component is arranged on the outer side of the upper female die; the material pressing assembly comprises a material pressing column and a material pressing plate fixed at the bottom end of the material pressing column, and the top end of the material pressing column penetrates through the fixing plate A and the base plate and is connected with the bottom end of the upper die base.

Preferably, in the automatic cylindrical porous stamping die with the spring mechanism, the material pressing column is an elastic telescopic sleeve rod.

Preferably, in the automatic cylindrical porous stamping die with the spring mechanism, a guide sleeve is arranged on the upper die base and outside the upper die component, a guide pillar is arranged in the guide sleeve in a penetrating manner, and the bottom end of the guide pillar is fixed on the lower die base.

Compared with the prior art, the utility model has the advantages that by adopting the scheme, the utility model can simultaneously carry out drawing and punching operations, and has simpler structure and easy manufacture compared with other composite dies; a plurality of holes can be drilled at any position needing to be processed; after the processing is finished, the material is easy to unload; compared with other composite dies for simultaneously drawing and punching, the die can finish machining only by applying pressure to the die once by the die handle during working, so that energy is saved; when the production operation of the die is carried out, a finished porous workpiece can be quickly obtained, and the working efficiency is improved while the precision of the finished porous workpiece is ensured; the produced leftover materials are discharged along with the blanking hole, so that the cleanness of the die is convenient to maintain; most parts of the die can be replaced, and the service life of the die is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a bottom view of the embodiment of fig. 1 of the present invention;

FIG. 3 is a schematic structural view of the embodiment of FIG. 1 in an inoperative state;

the figures above show: the die comprises a die shank (1), an upper die base (2), a guide sleeve (3), a guide pillar (4), a base plate (5), a pressure cylinder (6), a fixing plate A (7), a fixing plate B (7-1), a pressure plate (8), a drop female die (9), a blank holder (10), a spring mechanism A (11), a lower die base (12), a spring mechanism B (13), a spring mechanism C (13-1), an upper female die (14), a knockout rod (15), a lower male die (16), a blanking hole (17) and master batches (18).

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "surround," "opposing," "circulate," "slide," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1-3, an embodiment of the present invention is an automatic cylindrical multi-hole stamping die with a spring mechanism, comprising a die handle (1), an upper die base (2), an upper die component, a lower die component and a lower die base (12), wherein the die handle (1) is fixed in the middle of the top end of the upper die base (2), the upper die component is fixed at the bottom end of the upper die base (2), the lower die component is fixed at the top end of the lower die base (12), and the upper die component is located above and opposite to the lower die component; preferably, a guide sleeve (3) is arranged on the upper die holder (2) and on the outer side of the upper die component, a guide pillar (4) penetrates through the guide sleeve (3), and the bottom end of the guide pillar (4) is fixed on the lower die holder (12). The mold adopts a straight cylindrical cutting edge on the aspect of the cutting edge; a rear guide post die set is selected on the aspects of the guide post (4) and the guide sleeve (3); a flange press-in type die handle is adopted on the aspect of the die handle (1); the die handle (1) is connected with the upper die base (2), the guide sleeve (3) is embedded into the upper die base (2), the upper end of the guide sleeve (3) is in sliding fit with the guide pillar (4), and the spring mechanism A, the spring mechanism B and the spring mechanism C are composed of a telescopic sleeve and a spring sleeved on the telescopic sleeve. The raw materials are conveyed in the longitudinal direction and the transverse direction, blanking, drawing and punching are firstly carried out, and drawing and punching can be completed only by one working cycle. Compared with other composite dies, the composite die is simpler and easier to manufacture, and can be simultaneously subjected to drawing and punching operations; a plurality of holes can be punched at any required positions; after the processing is finished, the finished product is pushed to the position which is flush with the upper end of the lower punch (16) by the blank holder (10), so that the discharging is easy; the produced leftover materials are discharged along with the blanking hole, so that the cleanness of the die is convenient to maintain. Compared with other composite dies for simultaneously drawing and punching, the die can complete processing only by giving pressure to the die by the die handle once during working, and energy is saved. When the die is used for production operation, a finished porous workpiece can be quickly obtained, and the working efficiency is improved while the precision of the finished porous workpiece is ensured.

The upper die component comprises a backing plate (5), a fixing plate A (7), a fixing plate B (7-1), a spring mechanism B (13), a spring mechanism C (13-1) and an upper female die (14), the backing plate (5) is fixed in the middle of the bottom end of the upper die base (2), and the fixing plate B (7-1) is fixed in the middle of the bottom end of the backing plate (5); the fixing plate A (7) is fixed at the bottom end of the backing plate (5) and surrounds the outer side of the fixing plate B (7-1); a through hole penetrating through the fixing plate B (7-1) is formed in the middle of the fixing plate B, the spring mechanism C (13-1) is arranged in the through hole of the fixing plate B (7-1), the top end of the spring mechanism C (13-1) is connected with the bottom end of the base plate (5), and the bottom end of the spring mechanism C (13-1) is connected with the middle of the top end of the upper female die (14); the spring mechanism B (13) is arranged in the space between the fixing plate A (7) and the fixing plate B (7-1), the top end of the spring mechanism B (13) is connected with the bottom end of the backing plate (5), and the bottom end of the spring mechanism B (13) is connected with the top end of the upper female die (14); the lower part of the fixing plate B (7-1) is provided with a plurality of knockout rods (15), the upper female die (14) is provided with knockout holes penetrating through the upper female die corresponding to the positions of the knockout rods (15), and the knockout rods (15) penetrate through the knockout holes. Preferably, the backing plate (5) is fixed in the middle of the bottom end of the upper die holder (2) through screws. The upper die component further comprises a material pressing component, and the material pressing component is arranged on the outer side of the upper female die (14); the material pressing assembly comprises a material pressing column (6) and a material pressing plate (8) fixed at the bottom end of the material pressing column (6), and the top end of the material pressing column (6) penetrates through the fixing plate A (7) and the base plate (5) and is connected with the bottom end of the upper die base (2). Preferably, the material pressing column (6) is an elastic telescopic sleeve rod. Preferably, the top end of the material pressing column (6) is fixed at the bottom end of the upper die holder (2) through a screw. Preferably, the lower part of the fixing plate B (7-1) is in threaded connection with the material beating rod (15), so that the material beating rod (15) is convenient to replace and install. The electric control system controls the power component to drive the upper die base (2) to move downwards, the master batch (18) is drawn and punched through the cooperation of the upper die component and the lower die component, waste materials generated after the punching of the knockout rod (15) are discharged through the blanking hole (17), and the electric control system controls the upper die base (2) to reset after the punching is completed to wait for the next work.

The lower die component comprises a drop-off female die (9), a blank holder (10), a spring mechanism A (11) and a lower male die (16), the lower male die (16) is fixed in the middle of the top end of the lower die holder (12), and the drop-off female die (9) surrounds the outer side of the lower male die (16); the spring mechanism A (11) is installed in the space between the drop-off female die (9) and the lower male die (16), the spring mechanism A (11) is fixed on the lower die holder (12), and the top end of the spring mechanism A (11) is connected with the blank holder (10). Preferably, a blanking hole (17) penetrating through the lower male die (16) is formed in the position, corresponding to the material beating rod (15), of the lower male die, and the size of an opening at the top end of the blanking hole (17) is matched with that of the material beating rod (15); the diameter of the lower part of the blanking hole (17) is larger than that of the opening of the blanking hole (17). Preferably, the top end of the inner side of the drop-off female die (9) extends towards the direction of the lower male die (16) to form an extending part, the upper part of the outer side of the blank holder (10) is inwards recessed to form a limiting part, and the limiting structure is matched with the structure of the extending part. Preferably, the maximum height of the blank holder (10) is flush with the top surface of the lower punch (16) and slightly lower than the height of the drop die (9). Preferably, the distance between the drop-off female die (9) and the lower male die (16) is matched with the width of the lower part of the blank holder (10); the thickness of the die wall of the upper female die (14) is matched with the width of the top end of the blank holder (10). The acting force of the spring mechanism B (13) and the spring mechanism C (13-1) is downward, the acting force of the spring mechanism A (11) is upward, in the process of pressing down the upper die component, the bottom end of the die wall of the upper female die (14) is firstly contacted with the master batch (18) and the lower die component, the die wall of the upper female die (14) and the blank holder (10) tightly press the master batch (18) and continuously move downward, and then the top ends of the pressure plate (8) and the drop-off female die (9) tightly press the raw materials; the acting force of the spring mechanism is smaller than that of a power part of the electric control system, the upper die holder (2) is driven to continuously press downwards along with the control of the electric control system by the power part, and the height of the blank holder (10) reaches the bottommost point to finish drawing processing; the upper die component is continuously pressed down, the height of the bottommost end of the knockout rod (15) is lower than that of the knockout hole, the bottommost end of the knockout rod (15) is located in the blanking hole (17), and waste generated by punching the master batch is discharged through the blanking hole (17) to complete punching; then, the power part drives the upper die part to move upwards to reset.

In the scheme, a straight cylindrical cutting edge is adopted in the aspect of cutting edge; a rear side guide pillar die frame is selected on the aspects of the guide pillar (4) and the guide sleeve (3), so that the material is convenient to transport; a flange press-in type die handle is adopted on the aspect of the die handle (1); the fixing plate A (7) and the fixing plate B (7-1) are both cylindrical and used for ensuring the stable and accurate movement of drawing and punching; the die handle (1) is connected with the upper die base (2), the guide sleeve (3) is embedded into the upper die base (2), the upper end of the guide sleeve (3) is in sliding fit with the guide post (4), and the round base plate (5) is tightly connected with the upper die base (2) through a plurality of screws which are enclosed into a round shape; the fixing plate A (7) and the fixing plate B (7-1) are both cylindrical, the circular base plate (5) is connected with the fixing plate A (7), and the base plate (5) is connected with the fixing plate B (7-1); the upper end of the knockout rod (15) is provided with threads, the knockout rod (15) is positioned in a pore of the upper female die (14), and the knockout rod (15) is connected with the fixed plate B (7-1) by threads, so that the knockout rod is convenient to replace and install; the spring mechanism A (11), the spring mechanism B (13) and the spring mechanism C (13-1) are in a structure combining a telescopic sleeve and a spring; the upper female die (14) is connected with the circular base plate (5) through a plurality of spring mechanisms B (13) and C (13-1) which are encircled into a circle, so that the upper female die (14) is ensured to be fixed relative to the upper and lower strokes of the upper die holder (2) and has enough pressure on master batches during processing; the fixing plate B (7-1), the upper female die (14) and the knockout rod (15) are mutually attached when the upper die part descends to the lowest point, and the stability of the upper female die (14) and the knockout rod (15) during working is kept; the blank holder (10) is generally cylindrical and has a certain thickness, the side face of the upper half part is parallel to the axis, the lower half part forms a certain angle with the axis, the maximum height which can be raised by the blank holder (10) is maintained by virtue of a cylindrical drop-off female die (9) which is sunken on the inner side, the blank holder is used for carrying out blank holding on a master batch (18) and lifting parts, the blank holder (10) is connected with a lower die holder (12) through a plurality of spring mechanisms A (11) which are enclosed into a circle, and the blank holder (10) is sleeved on a cylindrical lower male die (16); the material pressing column (6) is connected with the material pressing plate (8) and the upper die base (2) through screws; the cylindrical drop-off female die (9) with the concave inner side and the cylindrical lower male die (16) are connected with the lower die holder (12) through a plurality of round screws; the uppermost end of the blanking hole (17) is in interference fit with the knockout rod (15), and the sectional area of the rest part of the blanking hole (17) is larger than that of the knockout rod, so that the blanking hole (17) is not blocked by waste materials.

The working principle of the automatic cylindrical punching and drawing compound die with the spring mechanism provided by the embodiment is as follows: when the upper die is not machined, the upper die part is in a suspended state, and the upper female die (14) is positioned at the lowest end of the stroke under the combined action of the pulling force of the telescopic sleeve in the spring mechanism and the self gravity and is not contacted with the fixed plate A (7) and the fixed plate B (7-1); the knockout rod (15) is positioned in the hole of the upper female die (14), but the lowest end of the knockout rod (15) is higher than the lowest end of the hole and lower than the uppermost end of the hole, and the length of the knockout rod is greater than that of the hole. The blank holder (10) is at the maximum height position in an uncompressed state, is flush with the lower male die (16) and is slightly lower than the drop female die (9), and is convenient for positioning the master batch. When the mould starts to work, the mould handle (1) drives the upper mould part to move downwards, and the upper end of the guide sleeve (3) is in sliding fit with the guide post (4) to ensure that the relative positions of the upper mould and the lower mould are fixed. In the descending process, the upper female die (14) is firstly contacted with the master batch (18) and the lower die part to draw the master batch. In the drawing process, along with the gradual downward movement of the upper female die (14), a downward acting force is applied to the upper female die (14) by the spring, the upper female die (14) and the lower female die (16) generate an interaction force, and the blank holder (10) applies an upward acting force to the master batch to finish the drawing. When the drawing process is finished, the upper female die (14) is basically in a static state, and the height of the blank holder (10) reaches the bottommost point. And then, other parts of the upper die continuously move downwards, the height of the bottommost end of the knockout pin (15) is lower than that of the hole under the pressure action of the die shank (1), and the master batch is punched. And when the upper die part reaches the bottommost point under the action of the die handle (1), the punching processing is finished. At the moment, the upper edge of the upper female die (14) is attached to the fixing plate A (7) and the fixing plate B (7-1), the lowest end of the knockout rod (15) is positioned in the blanking hole (17), and generated waste materials are discharged through the blanking hole (17). And after all the parts of the upper die reach the lowest point, the return stroke is started, and the blank holder (10), the upper female die (14) and the knockout pin (15) gradually move upwards along with the return of the upper die part until the parts are reset.

It should be noted that the above technical features are continuously combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; moreover, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. An automatic cylindrical porous stamping die with a spring mechanism is characterized by comprising a die handle, an upper die base, an upper die component, a lower die component and a lower die base, wherein the die handle is fixed in the middle of the top end of the upper die base;

the upper die component comprises a base plate, a fixing plate A, a fixing plate B, a spring mechanism C and an upper female die, the base plate is fixed in the middle of the bottom end of the upper die base, and the fixing plate B is fixed in the middle of the bottom end of the base plate; the fixing plate A is fixed at the bottom end of the backing plate and surrounds the outer side of the fixing plate B;

a through hole penetrating through the fixing plate B is formed in the middle of the fixing plate B, the spring mechanism C is arranged in the through hole of the fixing plate B, the top end of the spring mechanism C is connected with the bottom end of the backing plate, and the bottom end of the spring mechanism C is connected with the middle of the top end of the upper female die;

the spring mechanism B is arranged in the space between the fixing plate A and the fixing plate B, the top end of the spring mechanism B is connected with the bottom end of the backing plate, and the bottom end of the spring mechanism B is connected with the top end of the upper female die;

the lower part of the fixing plate B is provided with a plurality of knockout rods, the upper female die is provided with knockout holes penetrating through the upper female die corresponding to the positions of the knockout rods, and the knockout rods penetrate through the knockout holes.

2. The automatic cylindrical porous stamping die with the spring mechanism as claimed in claim 1, wherein the lower die component comprises a drop-off female die, a blank holder, a spring mechanism A and a lower male die, the lower male die is fixed in the middle of the top end of the lower die holder, and the drop-off female die surrounds the outer side of the lower male die;

the spring mechanism A is installed in the space between the breaking female die and the lower male die, the spring mechanism A is fixed on the lower die holder, and the top end of the spring mechanism A is connected with the blank holder.

3. The automatic cylindrical multi-hole stamping die with the spring mechanism as claimed in claim 2, wherein a blanking hole penetrating through the lower male die is arranged at a position corresponding to the knockout rod, and the size of an opening at the top end of the blanking hole is matched with the knockout rod; the diameter of the lower part of the blanking hole is larger than that of the opening of the blanking hole.

4. The automatic cylindrical porous stamping die with the spring mechanism as claimed in claim 2, wherein the top end of the inner side of the drop die extends towards the lower punch to form an extension part, the upper part of the outer side of the blank holder is recessed inwards to form a limit, and the structure of the limit is matched with the structure of the extension part.

5. The automated cylindrical multi-hole stamping die with spring mechanism of claim 2, wherein the maximum height of the blankholder is flush with the top surface of the lower male die and slightly lower than the height of the drop female die.

6. The automatic cylindrical porous stamping die with the spring mechanism as claimed in claim 2, wherein the spring mechanism A, the spring mechanism B and the spring mechanism C are all composed of a telescopic sleeve and a spring sleeved on the telescopic sleeve.

7. The automated cylindrical multi-hole stamping die with the spring mechanism as claimed in claim 2, wherein the distance between the drop-off female die and the lower male die is adapted to the width of the lower portion of the blank holder; and the thickness of the die wall of the upper female die is matched with the width of the top end of the blank holder.

8. The automated cylindrical multi-hole stamping die with spring mechanism of claim 1, wherein the upper die component further comprises a swaging assembly disposed outside the upper female die; the material pressing assembly comprises a material pressing column and a material pressing plate fixed at the bottom end of the material pressing column, and the top end of the material pressing column penetrates through the fixing plate A and the base plate and is connected with the bottom end of the upper die base.

9. The automated cylindrical multi-hole stamping die with spring mechanism of claim 8, wherein the plunger is an elastic telescopic loop bar.

10. The automatic cylindrical multi-hole stamping die with the spring mechanism as claimed in claim 1, wherein a guide sleeve is provided on the upper die base and outside the upper die component, a guide post is inserted into the guide sleeve, and the bottom end of the guide post is fixed on the lower die base.

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