CN220763669U - Stamping die protector - Google Patents

Abstract

The utility model belongs to the field of stamping dies, in particular to a stamping die protecting device, which comprises a base and a lower die holder; the top fixedly connected with a plurality of locating levers of base, the bottom one side of die holder is through a plurality of locating levers and base fixed connection, the top one side fixedly connected with fixed plate of locating lever, the inside sliding connection of fixed plate has the bed die, and is a plurality of the top sliding connection of locating lever has the upper die base, the top fixedly connected with hydraulic cylinder of upper die base, the bottom one side fixedly connected with upper die of upper die base, through the contact of inserted bar and slider, the condition of dislocation appears between preventing the in-process mould at the punching press, utilize the bottom of bed die and the top of fixed block to contact completely after, can extrude the protection switch at fixed block top and make the device stop operation, reduce the condition that damages appear because of the too big mould that causes of pressure between the mould, reduce the condition that the work piece splashes when the punching press fails.

Description

Stamping die protector

Technical Field

The utility model relates to the field of stamping dies, in particular to a stamping die protecting device.

Background

Stamping dies are a special piece of process equipment that processes materials (metal or non-metal) into parts (or semi-finished products) in a cold stamping process.

The stamping die consists of a fixed part and a movable part, wherein the fixed part is fastened on a workbench of a press machine by a pressing plate, a bolt and the like, the movable part is generally fastened on a sliding block of the press machine, and the die arranged on the press machine is used for applying pressure to materials to separate or plastically deform the materials, so that a pressure processing method of required parts is obtained.

In the prior art, when the traditional stamping die is used for stamping forming, a certain protection device is lacked, the stamping process die can move to cause the failure of a stamping die, the qualification rate of stamping finished products of workpieces is reduced, the workpieces which fail in stamping can be splashed when serious, the personal of workers is threatened, and the stamping efficiency of the workpieces is affected.

Therefore, a protection device for a stamping die is provided for the above problems.

Disclosure of Invention

In order to make up for the defects of the prior art, the problems that a traditional stamping die lacks a certain protection device when being used for stamping forming, a stamping process die possibly moves to cause a stamping die failure, the qualification rate of a workpiece stamping finished product is reduced, the workpiece which is possibly caused to be stamped to fail splashes when serious, the personnel of a worker are threatened, and the stamping efficiency of the workpiece is affected are solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a stamping die protecting device, which comprises a base and a lower die holder; the top of the base is fixedly connected with a plurality of positioning rods, the outer sides of the positioning rods are in sliding connection with the inner wall of the lower die holder, one side of the bottom of the lower die holder is fixedly connected with the base through the positioning rods, one side of the top of the positioning rods is fixedly connected with a fixing plate, the inside of the fixing plate is in sliding connection with a lower die, the bottom of the lower die is provided with a fixing block, and one side of the fixing block is fixedly connected with the fixing plate; the top of the positioning rods is slidably connected with an upper die holder, the top of the upper die holder is fixedly connected with a hydraulic cylinder, one side of the bottom of the upper die holder is fixedly connected with an upper die, the upper die and the lower die are horizontally arranged, and the four corners of the upper die are fixedly connected with inserted bars; two slots are formed in two ends of the top of the fixing plate, and the outer side of the inserted link slides with the inner wall of the slot through the upper die.

Preferably, each slot is sleeved with a sliding block, each sliding block is attached to one side of the bottom of the inserting rod on one side of the top, a reset spring is fixedly connected to one side of the bottom of each sliding block, one end of the bottom of each reset spring is fixedly connected with one side of the slot, and each sliding block slides in the slot through the corresponding reset spring.

Preferably, the spout has been seted up at the top of fixed plate, the middle part both sides of spout all with the both sides sliding connection of bed die, the equal fixedly connected with of both ends inner wall of fixed plate a plurality of second push rods, and every two the equal fixedly connected with limiting plate of one end of second push rod.

Preferably, one side of the limiting plate slides on one side of the chute through the second push rod, each two limiting plates are symmetrically arranged on two sides of one end of the fixing plate, and the limiting plates at two ends of the fixing plate are symmetrically arranged on two sides of the lower die.

Preferably, the bottom four corners of the lower die are fixedly connected with electric push rods, the bottom of each electric push rod is fixedly connected with a fixed plate, and a reset spring is sleeved on the outer side of each electric push rod.

Preferably, the fixed block comprises a protection switch, the protection switch is fixedly arranged on one side of the top of the fixed block, and one side of the protection switch is attached to one side of the bottom of the lower die through the fixed block.

Preferably, the inside sliding connection of last mould has the fly leaf, the equal fixedly connected with gag lever post in both ends of fly leaf, the outside of gag lever post overlaps equally and is equipped with reset spring, two the one end of gag lever post all with the inner wall sliding connection of upper die base.

Preferably, the middle part fixedly connected with connecting plate of fly leaf, one side fixedly connected with third push rod of connecting plate, the one end of third push rod and the inner wall fixed connection of upper die base, the fly leaf slides in the inside of last mould through the third push rod.

The utility model has the advantages that:

the utility model provides a stamping die protecting device, which is characterized in that a plurality of positioning rods are used for preventing dislocation of an upper die holder in the falling process, then the contact of a plunger rod and a sliding block is used for preventing dislocation of dies in the stamping process, after the bottom of a lower die is completely contacted with the top of a fixed block, a protecting switch at the top of the fixed block is extruded to stop the operation of the device, the die structure can be protected, the damage of the dies caused by overlarge pressure between the dies is reduced, the splashing of workpieces in the stamping failure can be reduced, the safety performance of the device is improved, and the qualification rate of stamped products of the workpiece stamping can be improved.

The utility model provides a protective device for a stamping die, which is characterized in that after a workpiece is placed in a chute, a plurality of second push rods at two ends of a fixed plate push limiting plates to move simultaneously, two limiting plates are utilized to extrude two sides of one end of the workpiece, the workpiece is fixed in the chute to prevent dislocation in the stamping process, the fixing requirements of different workpieces can be met, and the use efficiency of the stamping die is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of the fixing plate of the present utility model;

FIG. 3 is a cross-sectional perspective view of a fixing plate according to the present utility model;

FIG. 4 is a cross-sectional perspective view of an upper die holder of the present utility model;

in the figure: 1. a base; 2. a lower die holder; 3. a positioning rod; 4. an upper die holder; 5. a hydraulic cylinder; 6. an upper die; 61. a rod; 7. a fixing plate; 71. a chute; 8. a lower die; 81. a fixed block; 82. an electric push rod; 9. a slot; 91. a slide block; 10. a limiting plate; 11. a second push rod; 12. a return spring; 13. a movable plate; 14. a limit rod; 15. a connecting plate; 16. and a third push rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a protection device for a stamping die, which includes a base 1 and a lower die holder 2; the top of the base 1 is fixedly connected with a plurality of positioning rods 3, the outer sides of the positioning rods 3 are in sliding connection with the inner wall of the lower die holder 2, one side of the bottom of the lower die holder 2 is fixedly connected with the base 1 through the positioning rods 3, one side of the top of the positioning rods 3 is fixedly connected with a fixing plate 7, the inside of the fixing plate 7 is in sliding connection with a lower die 8, the bottom of the lower die 8 is provided with a fixing block 81, one side of the fixing block 81 is fixedly connected with the fixing plate 7, the fixing block 81 comprises a protection switch, the protection switch is fixedly arranged on one side of the top of the fixing block 81, and one side of the protection switch is attached to one side of the bottom of the lower die 8 through the fixing block 81; the top of the positioning rods 3 is slidably connected with an upper die holder 4, the top of the upper die holder 4 is fixedly connected with a hydraulic cylinder 5, one side of the bottom of the upper die holder 4 is fixedly connected with an upper die 6, the upper die 6 and the lower die 8 are horizontally arranged, and four corners of the upper die 6 are fixedly connected with inserting rods 61; two slots 9 are respectively formed at two ends of the top of the fixed plate 7, the outer sides of the inserting rods 61 slide with the inner walls of the slots 9 through the upper mold 6, a slide block 91 is sleeved in each slot 9, one side of the top of each slide block 91 is attached to one side of the bottom of the inserting rod 61, a return spring 12 is fixedly connected to one side of the bottom of each slide block 91, one end of the bottom of each return spring 12 is fixedly connected with one side of the slot 9, each slide block 91 slides in the slot 9 through the return spring 12, when the fixed plate is in operation, firstly, a plurality of positioning rods 3 are fixed at the top of the base 1, a lower mold base 2 is fixedly connected with the base 1 after penetrating through the plurality of positioning rods 3, then the fixed plate 7 is mounted at the top of the lower mold base 2, then the lower mold 8 is mounted in the fixed plate 7 according to the punching requirement, the upper mold 6 is fixedly connected with the bottom of the upper mold base 4, the hydraulic cylinder 5 at the top of the upper die holder 4 is installed on the punching machine, the base 1 is moved to enable the positioning rods 3 to penetrate through four corners of the upper die holder 4, when a workpiece is required to be punched, a worker places the workpiece in the chute 71, pushes the workpiece to move to the top of the lower die 8, pushes the upper die holder 4 to move downwards by the punching machine, further drives the upper die 6 to contact with the lower die 8, completes the punching work of the workpiece, utilizes the positioning rods 3 to prevent the upper die holder 4 from dislocation in the falling process, utilizes the falling of the upper die 6 to enable the inserting rods 61 to be inserted into the slot 9, utilizes the contact of the inserting rods 61 and the sliding blocks 91, utilizes the return spring 12 to improve the service life of the structure, prevents dislocation between the dies in the punching process, and utilizes the upper die 6 to punch the workpiece, the lower die 8 is driven to slide downwards in the fixing plate 7, after the bottom of the lower die 8 is completely contacted with the top of the fixing block 81, the protection switch at the top of the fixing block 81 is extruded to stop the operation of the device, the die structure can be protected, the damage of the die caused by overlarge pressure between the dies is reduced, the splashing of the workpiece during the failure of stamping can be reduced, the safety performance of the device is improved, and the qualification rate of stamped products of workpiece stamping can be improved.

Further, as shown in fig. 2 and fig. 3, the top of the fixed plate 7 is provided with a chute 71, two sides of the middle of the chute 71 are slidably connected with two sides of the lower die 8, two end inner walls of the fixed plate 7 are fixedly connected with a plurality of second push rods 11, one end of each second push rod 11 is fixedly connected with a limiting plate 10, one side of each limiting plate 10 slides on one side of the chute 71 through the second push rods 11, each two limiting plates 10 are symmetrically arranged on two sides of one end of the fixed plate 7, the limiting plates 10 at two ends of the fixed plate 7 are symmetrically arranged on two sides of the lower die 8, four corners of the bottom of the lower die 8 are fixedly connected with electric push rods 82, the bottom of each electric push rod 82 is fixedly connected with the fixed plate 7, and the outer side of each electric push rod 82 is also sleeved with a reset spring 12. During operation, place the work piece behind the inside of spout 71, promote limiting plate 10 removal simultaneously through a plurality of second push rods 11 at fixed plate 7 both ends, utilize two limiting plate 10 to extrude the one end both sides of work piece, fix the work piece in the inside of spout 71 and prevent that it from appearing the dislocation condition at the in-process of punching press, can satisfy the fixed demand of different work pieces, improve stamping die's availability factor, when utilizing last mould 6 to carry out the punching press to the work piece and drive down the mould 8 and move down, utilize four electric putter 82 of the bottom of the lower mould 8 to ensure the equilibrium of lower mould 8, reuse reset spring 12's elasticity, can reduce the condition that the dislocation appears in the lower mould 8, and utilize reset spring 12 and electric putter 82's cooperation can improve the shock attenuation effect of lower mould 8, improve the punching press effect of work piece.

Further, as shown in fig. 4, the movable plate 13 is slidably connected to the inside of the upper mold 6, both ends of the movable plate 13 are fixedly connected with the stop rods 14, the outside of the stop rods 14 is also sleeved with the return springs 12, one ends of the two stop rods 14 are slidably connected with the inner wall of the upper mold 4, the middle part of the movable plate 13 is fixedly connected with the connecting plate 15, one side of the connecting plate 15 is fixedly connected with the third push rod 16, one end of the third push rod 16 is fixedly connected with the inner wall of the upper mold 4, and the movable plate 13 slides in the inside of the upper mold 6 through the third push rod 16. During operation, the connecting plate 15 inside the upper die 6 is used for guaranteeing the stability of connection between the third push rod 16 and the movable plate 13, when the workpiece is punched, the punched workpiece is contacted with the movable plate 13, the two limiting rods 14 are used for guaranteeing the stability of the movable plate 13, the elastic force of the connecting plate 15 is utilized again, the movable plate 13 can slide in the upper die 6, the workpiece punching and cutting work is completed, the cut workpiece is clamped into the upper die 6, when the upper die holder 4 is controlled to ascend by utilizing the punching machine, the movable plate 13 is pushed by the third push rod 16 inside the upper die 6, the cut workpiece can be pushed out of the upper die 6, the next cutting of the workpiece is prevented from being influenced, and the use efficiency of the device is improved.

When the work piece is needed to be stamped, a worker places the work piece in the chute 71, pushes the work piece to move to the top of the lower die 8, pushes the limiting plates 10 to move simultaneously by utilizing the second push rods 11 at the two ends of the fixed plate 7, can extrude one end two sides of the work piece to fix the work piece in the chute 71, pushes the upper die holder 4 to move downwards by utilizing the stamping machine, further drives the upper die 6 to contact with the lower die 8, can drive the lower die 8 to slide downwards in the interior of the fixed plate 7, ensures the balance of the lower die 8 by utilizing the four electric push rods 82 at the bottom of the lower die 8, can reduce the dislocation of the lower die 8 by utilizing the elastic force of the reset spring 12, can extrude the protection switch at the top of the fixed block 81 after the bottom of the lower die 8 is completely contacted with the top of the fixed block 81, so that the device stops running, and pushes the movable plate 13 to move by utilizing the third push rod 16 in the upper die 6 when the upper die holder 4 is controlled to rise by utilizing the stamping machine after stamping is finished, so that the cut work piece can be pushed out of the upper die 6, and further finished to punch the work piece.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (8)

1. The stamping die protecting device comprises a base (1) and a lower die holder (2); the method is characterized in that: the top of the base (1) is fixedly connected with a plurality of positioning rods (3), the outer sides of the positioning rods (3) are in sliding connection with the inner wall of the lower die holder (2), one side of the bottom of the lower die holder (2) is fixedly connected with the base (1) through the positioning rods (3), one side of the top of the positioning rods (3) is fixedly connected with a fixing plate (7), the inside of the fixing plate (7) is in sliding connection with a lower die (8), a fixing block (81) is arranged at the bottom of the lower die (8), and one side of the fixing block (81) is fixedly connected with the fixing plate (7); the top of the positioning rods (3) is slidably connected with an upper die holder (4), the top of the upper die holder (4) is fixedly connected with a hydraulic cylinder (5), one side of the bottom of the upper die holder (4) is fixedly connected with an upper die (6), the upper die (6) and the lower die (8) are horizontally arranged, and four corners of the upper die (6) are fixedly connected with inserted bars (61); two slots (9) are formed in two ends of the top of the fixing plate (7), and the outer side of the inserting rod (61) slides with the inner wall of the slot (9) through the upper die (6).

2. The stamping die protector as claimed in claim 1, wherein: every the inside of slot (9) all overlaps and is equipped with slider (91), every the top one side of slider (91) all is laminated with the bottom one side of inserted bar (61), every the bottom one side fixedly connected with reset spring (12) of slider (91), the bottom one end of reset spring (12) and one side fixed connection of slot (9), every slider (91) all slides in the inside of slot (9) through reset spring (12).

3. The stamping die protector as claimed in claim 1, wherein: the top of fixed plate (7) has seted up spout (71), the middle part both sides of spout (71) all with the both sides sliding connection of bed die (8), the both ends inner wall of fixed plate (7) all fixedly connected with a plurality of second push rods (11), and every two the one end of second push rod (11) is all fixedly connected with limiting plate (10).

4. A stamping die protector as claimed in claim 3, wherein: one side of the limiting plate (10) slides on one side of the sliding groove (71) through the second push rod (11), every two limiting plates (10) are symmetrically arranged on two sides of one end of the fixed plate (7), and the limiting plates (10) at two ends of the fixed plate (7) are symmetrically arranged on two sides of the lower die (8).

5. The stamping die protector as defined in claim 4, wherein: four corners of the bottom of the lower die (8) are fixedly connected with electric push rods (82), the bottom of each electric push rod (82) is fixedly connected with a fixing plate (7), and a reset spring (12) is sleeved on the outer side of each electric push rod (82) in the same way.

6. The stamping die protector as claimed in claim 1, wherein: the fixed block (81) comprises a protection switch, the protection switch is fixedly arranged on one side of the top of the fixed block (81), and one side of the protection switch is attached to one side of the bottom of the lower die (8) through the fixed block (81).

7. The stamping die protector as claimed in claim 1, wherein: the inside sliding connection of last mould (6) has fly leaf (13), the both ends of fly leaf (13) are all fixedly connected with gag lever post (14), the outside of gag lever post (14) is equipped with reset spring (12) equally to the cover, two the one end of gag lever post (14) all with the inner wall sliding connection of upper die base (4).

8. The stamping die protector as defined in claim 7, wherein: the middle part fixedly connected with connecting plate (15) of fly leaf (13), one side fixedly connected with third push rod (16) of connecting plate (15), the one end and the inner wall fixed connection of upper die base (4) of third push rod (16), fly leaf (13) are slided in the inside of last mould (6) through third push rod (16).