CN216881299U

CN216881299U - Punching die for castings

Info

Publication number: CN216881299U
Application number: CN202123335271.7U
Authority: CN
Inventors: 吴义恒; 王山; 张衡
Original assignee: Taizhou Qiaoke Technology Co ltd
Current assignee: Taizhou Qiaoke Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-07-05
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a punching die for castings, in particular to the technical field of casting processing, when punching is carried out, an object can deviate at the moment when a punch contacts, the accuracy of punching is influenced, meanwhile, objects with different lengths need to be punched, the punching die comprises a workbench, a die groove is fixedly arranged on the upper surface of the workbench, vertical plates are fixedly arranged on the surfaces of the workbench, which are positioned at two ends of the die groove, moving plates are arranged on the vertical plates in a sliding manner, a first spring in the die groove pushes a first stop plate to limit the side surface of the object, a rotating wheel is rotated to drive a double-headed screw to rotate, moving blocks inserted by threads at two ends of the double-headed screw move together and are adjusted according to the objects with different lengths, before the punch contacts the objects, the thrust of a second stop plate cylinder contacts the objects, four second stop plates fix the upper surface of the objects, and the influence of punching position caused by the shaking of the punch when the punch contacts the objects is avoided, the punching accuracy is improved.

Description

Punching die for castings

Technical Field

The utility model relates to the technical field of casting processing, in particular to a punching die for a casting.

Background

The casting is a metal molding object obtained by various casting methods, namely, smelted liquid metal is poured into a casting mold prepared in advance by pouring, injecting, sucking or other casting methods, and after the liquid metal is cooled and subjected to subsequent processing means such as grinding and the like, the obtained object with certain shape, size and performance needs to be punched in the casting processing.

The punching die in the prior art has the following problems:

1. when punching, the article can produce the skew in the moment of drift contact, influences the accuracy of punching, needs to punch a hole to the article of different length simultaneously.

2. After punching, can not automatic discharge, the staff operation of unloading is comparatively loaded down with trivial details.

To this end we propose a punch die for castings to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a punching die for castings, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a punching die for castings comprises a workbench, wherein a die groove is fixedly formed in the upper surface of the workbench, vertical plates are fixedly arranged on the surfaces of the workbench, which are positioned at two ends of the die groove, a moving plate is arranged on the vertical plates in a sliding mode, a punching plate is fixedly arranged on the lower surface of the moving plate, a punch is fixedly arranged on the lower surface of the punching plate, and a stop mechanism is arranged in the die groove and the punching plate;

the stop mechanism comprises a first stop plate and a second stop plate, the first support plate is positioned in a mold groove, a plurality of first springs at equal intervals are fixedly arranged on the inner wall of the mold groove, one end, far away from the inner wall of the mold groove, of each first spring is fixedly connected to the first stop plate, the second stop plate is positioned below a punching plate, one side, close to the movable plate, of the punching plate is fixedly provided with a mounting plate which is symmetrically distributed, a first sliding groove is formed in the mounting plate, two symmetrically distributed moving blocks are arranged in the first sliding groove in a sliding manner, one side, close to the mold groove, of the punching plate is provided with a second sliding groove, one end, far away from the first sliding groove, of each moving block is arranged in the second sliding groove in a sliding manner, a stop block is movably inserted at the lower end of each moving block, the second stop plate is fixedly arranged on the stop block, and a second spring is fixedly arranged at one end, far away from the moving block, of the second stop block, of the moving block is positioned at the moving block, one end of the second spring is fixedly connected in the moving block.

As a preferred technical scheme of the present invention, a double-threaded screw is rotatably disposed in one of the mounting plates, the moving block is threadedly inserted into the double-threaded screw, a rotating shaft is fixedly disposed at one end of the double-threaded screw, a rotating wheel is fixedly disposed at one end of the rotating shaft away from the double-threaded screw, and a connecting plate is fixedly disposed between adjacent moving blocks.

As a preferable technical scheme of the utility model, a guide rod is fixedly arranged in the mounting block far away from the double-end screw, and the moving block far away from the double-end screw is movably inserted on the guide rod.

As a preferred technical scheme of the utility model, a fixed plate is fixedly arranged at the upper end of the movable plate of the vertical plate, an air cylinder is placed on the fixed plate, the output end of the air cylinder is fixedly connected to the movable plate, and punching grooves distributed in the same way as the punches are formed in the die groove.

According to a preferable technical scheme, the workbench is positioned below the punching groove and is provided with a waste material opening, the lower surface of the workbench is fixedly provided with a first material receiving box, a second material receiving box is movably inserted into the first material receiving box, and one side of the second material receiving box is fixedly provided with a handle.

According to a preferable technical scheme, symmetrically distributed top plates are movably arranged in the die groove, ejector rods are fixedly arranged at the lower ends of the top plates and penetrate through the workbench, connecting rods are fixedly arranged at the lower ends of the two ejector rods, a toothed plate is fixedly arranged at one end, located on the lower surface of the workbench, of the ejector rods, gears are meshed at tooth openings of the toothed plate, a motor is arranged on one side, close to the gears, of the lower surface of the workbench, and the output end of the motor is fixedly connected to the gears.

Compared with the prior art, the utility model has the beneficial effects that:

1. the first spring in the die groove can push the first stop plate to limit the side face of an object, the rotating wheel is rotated to drive the double-threaded screw to rotate, threads at two ends of the double-threaded screw are inserted into moving blocks to move together, the moving blocks are adjusted according to the objects with different lengths, the air cylinder is started to push the moving plate to enable the punch below the moving plate to punch holes in the object placed in the die groove, before the punch contacts with the object, the second stop plates are also in contact with the object along with the thrust of the air cylinder, the four second stop plates can fix the upper surface of the object, the situation that the punch is shaken when in contact with the object to affect the punching position is avoided, and the punching accuracy is improved.

2. The motor passes through the gear and drives the pinion rack rebound for the ejector pin will promote the roof, makes the roof can promote the article rebound of mould inslot, reaches the purpose of unloading, makes things convenient for the staff to collect the article after the completion of punching a hole, reduces staff's labour.

Drawings

FIG. 1 is a schematic view of the front view structure of the present invention,

FIG. 2 is a schematic top view of the present invention,

figure 3 is a schematic view of the structure of the punching plate of the utility model,

figure 4 is a schematic cross-sectional view of a moving block according to the present invention,

FIG. 5 is a schematic view of the die slot structure of the present invention.

In the figure: 1. a work table; 11. a vertical plate; 12. moving the plate; 13. a fixing plate; 14. a cylinder; 15. a mold slot; 16. punching a hole groove; 17. a first stopper plate; 18. a first spring; 19. a punch; 2. punching a plate; 21. Mounting a plate; 211. a first chute; 22. a moving block; 23. a second chute; 24. a stopper block; 25. a second stopper plate; 26. a second spring; 27. a connecting plate; 28. a rotating shaft; 29. a rotating wheel; 30. a guide bar; 31. a double-ended screw; 4. a motor; 41. a gear; 42. a toothed plate; 43. a top rod; 44. a top plate; 45. a connecting rod; 5. a waste material port; 51. a first material receiving box; 52. a second material receiving box; 53. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment is as follows: as shown in fig. 1-5, the utility model provides a punching die for castings, which comprises a workbench 1, wherein a die groove 15 is fixedly arranged on the upper surface of the workbench 1, vertical plates 11 are fixedly arranged on the surfaces of the workbench 1, which are positioned at two ends of the die groove 15, a moving plate 12 is slidably arranged on the vertical plates 11, a punching plate 2 is fixedly arranged on the lower surface of the moving plate 12, a punch 19 is fixedly arranged on the lower surface of the punching plate 2, and a stop mechanism is arranged in the punching plate 2 and the die groove 15;

the stop mechanism comprises a first stop plate 17 and a second stop plate 25, the first support plate is positioned in the mold groove 15, a plurality of first springs 18 with equal intervals are fixedly arranged on the inner wall of the mold groove 15, one end, far away from the inner wall of the mold groove 15, of each first spring 18 is fixedly connected to the first stop plate 17, each first spring 18 pushes the first stop plate 17 to limit the side surface of an object, the second stop plate 25 is positioned below the punching plate 2, one side, close to the moving plate 12, of the punching plate 2 is fixedly provided with symmetrically distributed mounting plates 21, the mounting plates 21 are provided with first sliding grooves 211, two symmetrically distributed moving blocks 22 are arranged in the first sliding grooves 211 in a sliding mode, one side, close to the mold groove 15, of the punching plate 2 is provided with second sliding grooves 23, one end, far away from the first sliding grooves 211, of each moving block 22 is arranged in the corresponding second sliding groove 23 in a sliding mode, a stop block 24 is movably inserted at the lower end of each moving block 22, and the second stop plate 25 is fixedly arranged on the stop block 24, the second stop block 24 is located one end of the moving block 22 and is fixedly provided with a second spring 26, one end of the second spring 26 is fixedly connected in the moving block 22, before the punch 19 and the punching, the second stop plate 25 contacts with the object along with the thrust of the cylinder 14, the four second stop plates 25 fix the upper surface of the object, the punch 19 is prevented from shaking when contacting with the object to affect the punching position, and the punching accuracy is improved.

Further, a double-threaded screw 31 is rotatably arranged in one of the mounting plates 21, a moving block 22 is inserted into the double-threaded screw 31 in a threaded manner, a rotating shaft 28 is fixedly arranged at one end of the double-threaded screw 31, a rotating wheel 29 is fixedly arranged at the end, away from the double-threaded screw 31, of the rotating shaft 28, the rotating wheel 29 drives the double-threaded screw 31 to rotate, the moving blocks 22 inserted into the double-threaded screw 31 at the two ends in a threaded manner move together, the adjusting is performed according to objects with different lengths, the second stop plate 25 is still used for fixing the objects with different lengths, a connecting plate 27 is fixedly arranged between the adjacent moving blocks 22, a guide rod 30 is fixedly arranged in the mounting block away from the double-threaded screw 31, the moving block 22 away from the double-threaded screw 31 is movably inserted into the guide rod 30, and stability is provided for the moving block 22.

Further, a fixing plate 13 is fixedly arranged on the vertical plate 11 and located at the upper end of the moving plate 12, an air cylinder 14 is arranged on the fixing plate 13, the output end of the air cylinder 14 is fixedly connected to the moving plate 12, the air cylinder 14 drives the punch 19 to punch holes on the object in the die groove 15, and a punching groove 16 which is distributed the same as the punch 19 is formed in the die groove 15 and is matched with the punch 19 to punch holes.

Furthermore, workstation 1 is located punching groove 16 below and has seted up waste opening 5, and the fixed surface of workstation 1 is equipped with first receipts workbin 51, and first receipts workbin 51 internalization is inserted and is equipped with second receipts workbin 52, and second receipts workbin 52 one side is fixed and is equipped with handle 53, and the waste material is in punching groove 16 falls into second receipts workbin 52, conveniently collects and transport and handle.

Further, the activity is equipped with the roof 44 of symmetric distribution in the mould groove 15, the fixed ejector pin 43 that is equipped with of roof 44 lower extreme, ejector pin 43 runs through workstation 1, two ejector pin 43 lower extreme fixes and is equipped with connecting rod 45, ejector pin 43 is located the fixed pinion rack 42 that is equipped with of 1 lower surface one end of workstation, the meshing of pinion rack 42 tooth mouth department is equipped with gear 41, 1 lower surface of workstation is close to gear 41 one side and is equipped with motor 4, motor 4's output end fixed connection is on gear 41, motor 4 passes through gear 41 and drives pinion rack 42 rebound, make ejector pin 43 will promote roof 44, make roof 44 can promote the article rebound in the mould groove 15, reach the purpose of unloading, make things convenient for the staff to collect the article after the completion of punching a hole, reduce staff's labour.

The working principle is as follows: when the punching die is used, an object to be punched is placed in the die groove 15, the first spring 18 in the die groove 15 pushes the first stop plate 17 to limit the side face of the object, the rotating wheel 29 can be rotated, the rotating wheel 29 drives the double-headed screw 31 to rotate, so that the moving blocks 22 inserted with threads at two ends of the double-headed screw 31 move together and are adjusted according to the objects with different lengths, then the air cylinder 14 is started, the air cylinder 14 pushes the moving plate 12 to enable the punch 19 below the moving plate 12 to punch the object placed in the die groove 15, before the punch 19 is contacted with the object, the second stop plates 25 are also contacted with the object along with the pushing force of the air cylinder 14, the four second stop plates 25 fix the upper surface of the object, the phenomenon that the punch 19 shakes when contacting with the object to affect the punching position is avoided, the punching accuracy is improved, and when unloading is needed, cylinder 14 drives drift 19 and second check plate 25 and returns former, and starter motor 4 afterwards, and motor 4 drives pinion rack 42 rebound through gear 41 for ejector pin 43 will promote roof 44, makes roof 44 can promote the article rebound in the mould groove 15, reaches the purpose of unloading, makes things convenient for the staff to collect the article after the completion of punching a hole, reduces staff's labour.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cut-out press of foundry goods, includes workstation (1), its characterized in that: the upper surface of the workbench (1) is fixedly provided with a die groove (15), the surface of the workbench (1) is fixedly provided with vertical plates (11) at two ends of the die groove (15), the vertical plates (11) are provided with movable plates (12) in a sliding manner, the lower surfaces of the movable plates (12) are fixedly provided with punching plates (2), the lower surfaces of the punching plates (2) are fixedly provided with punches (19), and the punching plates (2) and the die groove (15) are internally provided with stop mechanisms;

the stop mechanism comprises a first stop plate (17) and a second stop plate (25), the first stop plate (17) is positioned in a die groove (15), a plurality of equidistant first springs (18) are fixedly arranged on the inner wall of the die groove (15), one end, far away from the inner wall of the die groove (15), of each first spring (18) is fixedly connected to the first stop plate (17), the second stop plate (25) is positioned below a punching plate (2), symmetrically distributed mounting plates (21) are fixedly arranged on one side, close to a movable plate (12), of each punching plate (2), a first sliding groove (211) is formed in each mounting plate (21), two symmetrically distributed moving blocks (22) are arranged in each first sliding groove (211) in a sliding mode, a second sliding groove (23) is formed on one side, close to the die groove (15), of each punching plate (2), and one end, far away from the first sliding groove (211), of each moving block (22) is arranged in the second sliding groove (23), a stop block (24) is movably inserted at the lower end of the moving block (22), the second stop plate (25) is fixedly arranged on the stop block (24), a second spring (26) is fixedly arranged at one end, located on the moving block (22), of the second stop block (24), and one end of the second spring (26) is fixedly connected into the moving block (22).

2. A punching die for a casting according to claim 1, wherein: a double-threaded screw (31) is rotationally arranged in one of the mounting plates (21), the moving block (22) is inserted in the double-threaded screw (31) in a threaded manner, a rotating shaft (28) is fixedly arranged at one end of the double-threaded screw (31), a rotating wheel (29) is fixedly arranged at one end, far away from the double-threaded screw (31), of the rotating shaft (28), and a connecting plate (27) is fixedly arranged between every two adjacent moving blocks (22).

3. A punching die for a casting according to claim 2, wherein: a guide rod (30) is fixedly arranged in the mounting block far away from the double-end screw (31), and a moving block (22) far away from the double-end screw (31) is movably inserted on the guide rod (30).

4. A punching die for a casting according to claim 1, wherein: the vertical plate (11) is fixedly provided with a fixed plate (13) at the upper end of the movable plate (12), an air cylinder (14) is placed on the fixed plate (13), the output end of the air cylinder (14) is fixedly connected to the movable plate (12), and punching grooves (16) which are distributed the same as the punches (19) are formed in the die groove (15).

5. A punching die for a casting according to claim 4, wherein: workstation (1) is located punching groove (16) below and has seted up waste material mouth (5), workstation (1) lower fixed surface is equipped with first receipts workbin (51), first receipts workbin (51) internalization is inserted and is equipped with second and receive workbin (52), second is received workbin (52) one side and is fixed and be equipped with handle (53).

6. A punching die for a casting according to claim 1, wherein: mould groove (15) internalization is equipped with roof (44) of symmetric distribution, roof (44) lower extreme is fixed and is equipped with ejector pin (43), ejector pin (43) run through workstation (1), two ejector pin (43) lower extreme is fixed and is equipped with connecting rod (45), ejector pin (43) are located workstation (1) lower surface one end and are fixed and are equipped with pinion rack (42), pinion rack (42) tooth mouth department meshing is equipped with gear (41), workstation (1) lower surface is close to gear (41) one side and is equipped with motor (4), the output end fixed connection of motor (4) is on gear (41).