CN211360250U

CN211360250U - Alloy punch

Info

Publication number: CN211360250U
Application number: CN201921907874.XU
Authority: CN
Inventors: 王昕�
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-08-28
Anticipated expiration: 2029-11-07

Abstract

The utility model relates to the technical field of machining, and an alloy drift is disclosed, including first jumper bar, first stop collar has been cup jointed to the bottom of first jumper bar is fixed, the bottom surface fixed connection of first jumper bar is at the top surface of altitude mixture control pole, the outside threaded connection of altitude mixture control pole has the adjusting collar, the bottom surface both sides fixedly connected with of adjusting collar receives and presses the cover, the inside of receiving and pressing the cover has been seted up and has been accomodate the die cavity, the fixed pre-compaction spring that has cup jointed in inside of accomodating the die cavity, the fixed flexible piece that has cup jointed in the outside of pre-compaction spring. The utility model discloses a pre-compaction structure is constituteed to pre-compaction spring, stripper bar and movable sleeve, when the blanking head carries out the blanking to sheet metal class work piece, utilizes the elasticity extrusion characteristic of pre-compaction spring to bulldoze stripper bar and movable sleeve, makes the movable sleeve carry out the pre-compaction to the blanking district, avoids the blanking head to lift the work piece and drags the deformation by the traction force of blanking head, improves the processing yield of device, reduces the processing cost.

Description

Alloy punch

Technical Field

The utility model relates to the technical field of machining, specifically an alloy drift.

Background

The alloy punch is a metal part on a stamping die in a mechanical tool, and is generally mounted on the stamping die to perform continuous stamping and blanking operation, so that a processed material is separated or plastically deformed, and a required finished product or semi-finished product is obtained.

But current drift, when to sheet metal class work piece product punching press, the drift return stroke can exert traction force to work piece blanking position, and the work piece is drawn and is dragged the deformation, leads to the work piece yields to in the punching press process, have blanking material to get into in the punch head notch, lead to the wearing and tearing of drift to accelerate, blanking performance reduces, and the punching press cost increases thereupon.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an alloy drift possesses the die-cut, the advantage that prevents the card material of pre-compaction, has solved the problem mentioned among the above-mentioned background art.

The utility model provides a following technical scheme: an alloy punch comprises a first punch rod, wherein a first limit sleeve is fixedly sleeved at the bottom of the first punch rod, the bottom surface of the first punch rod is fixedly connected to the top surface of a height adjusting rod, an adjusting sleeve is in threaded connection with the outer side of the height adjusting rod, a pressure receiving sleeve is fixedly connected to two sides of the bottom surface of the adjusting sleeve, a receiving cavity is formed in the pressure receiving sleeve, a pre-pressing spring is fixedly sleeved in the receiving cavity, a flexible block is fixedly sleeved on the outer side of the pre-pressing spring, the outer side of the flexible block is movably sleeved in the receiving cavity, an extrusion rod is movably sleeved at the bottom of the receiving cavity, a limit block is fixedly connected to the top surface of the extrusion rod, the outer side of the limit block is movably sleeved at the bottom of the receiving cavity, a second limit sleeve is arranged on the outer side of the extrusion rod, and the fixing sleeve of the second limit sleeve is sleeved at, the bottom surface fixed connection of extrusion pole is in the top surface both sides of movable sleeve, the movable sleeve activity cup joints the outside at the second die-pin, second die-pin top surface fixed connection is in the bottom surface of altitude mixture control pole, the groove of stepping down has been seted up to the inside of second die-pin, the fixed cover in the inside in groove of stepping down has been cup jointed the pipe, the one end of pipe is equipped with the hole of stepping down, the hole of stepping down is seted up at the top of second die-pin, the bottom surface fixedly connected with punching head of second die-pin.

The fine selection is carried out, the diameter values of the first limiting sleeve and the second limiting sleeve are both larger than the diameter value of the height adjusting rod, and the first limiting sleeve and the second limiting sleeve are mutually symmetrical by taking the central point of the height adjusting rod as a datum point.

And the bottom surface of the adjusting sleeve is fixedly connected with two compression sleeves.

Carefully, the hole of stepping down has been seted up to the bottom surface of receiving and pressing the cover, and states the hole activity of stepping down of receiving and pressing the cover bottom surface and cup joint in the top outside of extrusion stem, the hole diameter value of stepping down of receiving and pressing the cover bottom surface is less than the diameter value of stopper, the top surface fixed connection of stopper is in the one end of pre-compaction spring.

Carefully, two flexible blocks are fixedly sleeved on the outer side of the pre-pressing spring, and the diameter value of each flexible block is larger than that of each limiting block.

And in selection, the bottom end of the guide pipe is fixedly sleeved and connected with the top of the punching head, and the bottom surface of the guide pipe is a conical surface.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the utility model discloses a pre-compaction structure is constituteed to pre-compaction spring, stripper bar and movable sleeve, when the blanking head carries out the blanking to sheet metal class work piece, utilizes the elasticity extrusion characteristic of pre-compaction spring to bulldoze stripper bar and movable sleeve, makes the movable sleeve carry out the pre-compaction to the blanking district, avoids the blanking head to lift the work piece and drags the deformation by the traction force of blanking head, improves the processing yield of device, reduces the processing cost.

2. The utility model discloses a let in compressed air to the inside of pipe, blow off the waste material that the blanking of punching head produced, avoid the waste material card to go into the inside of punching head, maintain the cutting performance of punching head, prolong the life of punching head, and then improve device's practicality.

Drawings

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

FIG. 2 is a front view of the structure of the present invention;

fig. 3 is an enlarged schematic view of a position a in the structure diagram 1 of the present invention.

In the figure: 1. a first ram; 2. a first stop collar; 3. a height adjustment lever; 4. an adjusting sleeve; 5. a compression sleeve is compressed; 6. pre-pressing a spring; 7. a soft mass; 8. an extrusion stem; 9. a second stop collar; 10. a movable sleeve; 11. a second ram; 12. a conduit; 13. punching a head; 14. a limiting block; 15. a hole of abdication; 16. a receiving cavity; 17. a yielding groove.

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, an alloy punch comprises a first punch 1, a first limit sleeve 2 is fixedly sleeved at the bottom of the first punch 1, the bottom surface of the first punch 1 is fixedly connected to the top surface of a height adjusting rod 3, an adjusting sleeve 4 is in threaded connection with the outer side of the height adjusting rod 3, a pressure receiving sleeve 5 is fixedly connected to two sides of the bottom surface of the adjusting sleeve 4, a receiving cavity 16 is formed in the pressure receiving sleeve 5, a pre-pressing spring 6 is fixedly sleeved in the receiving cavity 16, a flexible block 7 is fixedly sleeved on the outer side of the pre-pressing spring 6, the outer side of the flexible block 7 is movably sleeved in the receiving cavity 16, an extrusion rod 8 is movably sleeved at the bottom of the receiving cavity 16, a limit block 14 is fixedly connected to the top surface of the extrusion rod 8, the outer side of the limit block 14 is movably sleeved at the bottom of the receiving cavity 16, a second limit sleeve 9 is arranged on the outer side of the extrusion rod 8, and a fixed sleeve, bottom surface fixed connection of extrusion pole 8 is in the top surface both sides of movable sleeve 10, the outside at second jumper bar 11 is cup jointed in the activity of

movable sleeve

10, 11 top surface fixed connection of second jumper bar are in the bottom surface of altitude mixture control pole 3, the groove 17 of stepping down has been seted up to the inside of second jumper bar 11, the fixed cover in the inside of groove 17 of stepping down has connect pipe 12, the one end of pipe 12 is equipped with the hole 15 of stepping down, the hole 15 of stepping down is seted up at the top of second jumper bar 11, the bottom surface fixedly connected with of second jumper bar 11 punches head 13.

Wherein, the diameter value of first stop collar 2 and second stop collar 9 all is greater than the diameter value of altitude mixture control pole 3, and first stop collar 2 and second stop collar 9 use the central point of altitude mixture control pole 3 as datum point mutual symmetry, and first stop collar 2 and second stop collar 9 restrict the activity stroke of adjusting collar 4 to for operating personnel provide the height stroke adjust the biggest, minimum distance reference thing, guarantee the rationality of device.

Wherein, threaded connection between the external screw thread that the outside of altitude mixture control pole 3 was seted up and the internal thread that the adjusting collar 4 inboard was seted up, and two receipts of the bottom surface fixedly connected with of adjusting collar 4 press the cover 5, utilize the stable, quick detachable characteristics of threaded connection for adjusting collar 4 can high-speed governing on altitude mixture control pole 3, improves the flexibility of device.

Wherein, the hole of stepping down has been seted up to the bottom surface of receipts pressure cover 5, and state the hole activity of stepping down of the 5 bottom surfaces of receipts pressure cover and cup joint in the top outside of ejector pin 8, the hole diameter value of stepping down of the 5 bottom surfaces of receipts pressure cover is less than the diameter value of stopper 14, stopper 14's top surface fixed connection is in the one end of pre-compaction spring 6, through pre-compaction spring 6, the pre-compaction structure is constituteed with movable sleeve 10 to ejector pin 8, when blanking head 13 carries out the blanking to sheet metal class work piece, utilize the elasticity extrusion characteristic of pre-compaction spring 6 to bulldoze ejector pin 8 and movable sleeve 10, make movable sleeve 10 carry out the pre-compaction to the blanking district, avoid blanking head 13 to lift the work piece and receive the traction force of blanking head 13 to drag the deformation, the processing.

Wherein, two soft pieces 7 have been cup jointed to pre-compaction spring 6's the outside is fixed, and the diameter value of soft piece 7 is greater than the diameter value of stopper 14, and soft piece 7 can make pre-compaction spring 6 segment shrink when pre-compaction spring 6 receives the extrusion shrink, avoids pre-compaction spring 6 to shrink by a wide margin and produces plastic deformation, prolongs pre-compaction spring 6's life.

Wherein, the fixed cover in bottom of pipe 12 connects the top of punching head 13, and the bottom surface of pipe 12 is the conical surface, through letting in compressed air to the inside of pipe 12, blows off the waste material that punching head 13 blanking produced, avoids the waste material card to go into the inside of punching head 13, maintains the cutting performance of punching head 13, prolongs the life of punching head 13, and then improves the practicality of device.

The working principle is as follows: when in use, the adjusting sleeve 4 is screwed, the bottom surface of the movable sleeve 10 is adjusted to be the same horizontal plane with the bottom surface of the blanking head 13 through the pressure sleeve 5 and the extrusion rod 8, when the punching head 13 descends to prepare punching on a thin plate workpiece, the bottom surface of the movable sleeve 10 contacts and adheres to the surface of the workpiece, and immediately after the punching head 13 cuts into the workpiece, the movable sleeve 10 pushes the extrusion rod 8 into the inner part of the compression sleeve 5, then the pre-pressing spring 6 is extruded to stress the pre-pressing spring 6, the blanking head 13 is lifted after the blanking is finished, the pre-pressing spring 6 releases the pressure to push the extrusion rod 8, and then the movable sleeve 10 is pressed against the blanking area to maintain the stability of the blanking area of the workpiece, thereby avoiding the workpiece from being dragged and deformed, before the punching head 13 performs punching, an air tube is inserted into the interior of the guide tube 12, compressed air is supplied, and the punched scrap is blown out of the interior of the punching head 13, thereby maintaining the cutting performance of the end of the punching head 13.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Simultaneously in the utility model discloses an in the drawing, fill the pattern and just do not do any other injecions for distinguishing the picture layer.

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. An alloy punch comprising a first punch stem (1), characterized in that: the bottom of the first punch rod (1) is fixedly sleeved with a first limiting sleeve (2), the bottom surface of the first punch rod (1) is fixedly connected to the top surface of the height adjusting rod (3), the outer side of the height adjusting rod (3) is in threaded connection with an adjusting sleeve (4), two sides of the bottom surface of the adjusting sleeve (4) are fixedly connected with a pressure receiving sleeve (5), a receiving cavity (16) is formed in the pressure receiving sleeve (5), a pre-pressing spring (6) is fixedly sleeved in the receiving cavity (16), a flexible block (7) is fixedly sleeved on the outer side of the pre-pressing spring (6), the outer side of the flexible block (7) is movably sleeved in the receiving cavity (16), an extrusion rod (8) is movably sleeved at the bottom of the receiving cavity (16), a limiting block (14) is fixedly connected to the top surface of the extrusion rod (8), and the outer side of the limiting block (14) is movably sleeved at the bottom of the receiving cavity (16), the outside of extrusion pole (8) is equipped with second stop collar (9), the fixed cover of second stop collar (9) connects in the bottom of altitude mixture control pole (3), the bottom surface fixed connection of extrusion pole (8) is in the top surface both sides of movable sleeve (10), the outside at second die-pin (11) is cup jointed in activity cover (10), second die-pin (11) top surface fixed connection is in the bottom surface of altitude mixture control pole (3), the groove of stepping down (17) have been seted up to the inside of second die-pin (11), the fixed cover of the inside in groove of stepping down (17) has cup jointed pipe (12), the one end of pipe (12) is equipped with hole of stepping down (15), hole of stepping down (15) are seted up at the top of second die-pin (11), the bottom surface fixedly connected with punching head (13) of second die-pin (11).

2. An alloy punch as defined in claim 1, wherein: the diameter values of the first limiting sleeve (2) and the second limiting sleeve (9) are larger than the diameter value of the height adjusting rod (3), and the first limiting sleeve (2) and the second limiting sleeve (9) are mutually symmetrical by taking the central point of the height adjusting rod (3) as a datum point.

3. An alloy punch as defined in claim 1, wherein: the outer threads formed on the outer side of the height adjusting rod (3) are in threaded connection with the inner threads formed on the inner side of the adjusting sleeve (4), and the two compression sleeves (5) are fixedly connected to the bottom surface of the adjusting sleeve (4).

4. An alloy punch as defined in claim 1, wherein: the bottom surface of the pressing sleeve (5) is provided with a yielding hole, the yielding hole on the bottom surface of the pressing sleeve (5) is movably sleeved on the outer side of the top of the extrusion rod (8), the diameter value of the yielding hole on the bottom surface of the pressing sleeve (5) is smaller than that of the limiting block (14), and the top surface of the limiting block (14) is fixedly connected with one end of the pre-pressing spring (6).

5. An alloy punch as defined in claim 1, wherein: two flexible blocks (7) are fixedly sleeved on the outer side of the pre-pressing spring (6), and the diameter value of each flexible block (7) is larger than that of the limiting block (14).

6. An alloy punch as defined in claim 1, wherein: the bottom end of the guide pipe (12) is fixedly sleeved with the top of the punching head (13), and the bottom surface of the guide pipe (12) is a conical surface.