CN114932165A

CN114932165A - Stamping lower die

Info

Publication number: CN114932165A
Application number: CN202210651885.6A
Authority: CN
Inventors: 鲁锐锋
Original assignee: Daye Xinnuo Precision Mould Co Ltd
Current assignee: Daye Xinnuo Precision Mould Co Ltd
Priority date: 2022-06-09
Filing date: 2022-06-09
Publication date: 2022-08-23

Abstract

The invention discloses a lower stamping die, which relates to the technical field of stamping processing. It includes a base, a movable unit and a clamping unit; a clamping unit is installed on the upper side of the base; , sliding rod, screw rod, mounting frame and fixing ears, the center of the upper end of the base is rotatably connected to the lower end of the rotating seat, the center of the outer periphery of the rotating seat is rotatably connected to the inner wall of the movable ring, and the left and right ends of the movable ring are respectively provided with There is a positioning seat, the upper end of the left positioning seat is provided with a sliding rod, the upper end of the right positioning seat is rotated to connect the lower end of the screw, the upper side of the rotating seat is provided with a mounting frame, and the left and right ends of the mounting frame are A fixed lug is respectively provided, and its structural design can provide stable clamping for workpieces of different sizes, and it is not easy to cause dislocation during stamping, and the adjustment of the machining angle of the workpiece is more flexible, which improves the convenience of using the mold.

Description

Stamping lower die

Technical Field

The invention relates to the technical field of stamping, in particular to a lower stamping die.

Background

With the continuous development of society, the mold industry has been rapidly developing at a growth rate of about 15%. The stamping die is a special process equipment for processing materials (metal or nonmetal) into parts (or semi-finished products) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation of the material, thereby obtaining a desired part.

In the prior art, part of structural design is insufficient in stability when clamping workpieces with different sizes, dislocation is easily caused during stamping, adjustment of machining angles of the workpieces is not flexible enough, and convenience of using a die is reduced.

Disclosure of Invention

The invention aims to overcome the existing defects and provides a lower stamping die, which is structurally designed to provide stable clamping for workpieces with different sizes, is not easy to cause dislocation during stamping, is more flexible in adjusting the processing angle of the workpiece, improves the convenience of using the die and can effectively solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a lower stamping die comprises a base, a movable unit and a clamping unit;

a base: a clamping unit is arranged on the upper side of the clamping unit;

a movable unit: include and rotate seat, loose ring, positioning seat, slide bar, screw rod, installing frame and fixed ear, the upper end center of base rotates the lower extreme of connecting the rotation seat, the inner wall of connecting the loose ring is rotated at the peripheral middle part of rotating the seat, both ends are equipped with a positioning seat respectively about the loose ring, and the upper end of left positioning seat is equipped with the slide bar, and the lower extreme of connecting screw rod is rotated to the upper end of positioning seat on right side, the upside of rotating the seat is equipped with the installing frame, both ends are equipped with a fixed ear respectively about the installing frame, and vertical slide opening has been seted up to the upper end of left fixed ear, and the slide opening upper end is equipped with the sliding ring, and the peripheral upside of the vertical swing joint slide bar of sliding ring, the screw hole has been seted up to the upper end of the fixed ear on right side, and the peripheral upside of screw hole threaded connection screw rod.

The base supports overall structure, promotes the stability of operation, adds man-hour, and rotatable rotation seat adjusts the angle of placing of work piece, then utilizes the movable ring to rotate two positioning seats, adjusts its centre gripping position, and during the height position of adjustment centre gripping work piece, the screw rod is rotated, makes the screw hole of the fixed ear on its threaded connection installing frame right side, and further left fixed ear of messenger's installing frame moves about along the direction of slide bar.

Further, the movable unit further comprises a hexagonal handle and a U-shaped positioning frame, the hexagonal handle is arranged on the lower side of the periphery of the screw, and the U-shaped positioning frame is arranged at the left end and the right end of the inner wall of the mounting frame respectively. The hexagonal hand lever promotes the pivoted convenience of screw rod, and control clamping unit carries out position adjustment under the restriction of U type locating rack.

Further, the centre gripping unit includes rack, locating plate, motor and gear, the both sides of the horizontal swing joint rack of inner wall of U type locating rack, the inner of rack is equipped with the locating plate, the front end of U type locating rack is equipped with motor support, and the one end of motor support fixed connection motor, the one end of the output shaft fixed connection gear of motor, gear engagement connects the rack. When a workpiece is clamped, the motor is started to drive the gear to rotate, the gear is further meshed with the connecting rack, and the positioning plate on the rack is controlled to position and clamp the workpiece under the limitation of the U-shaped positioning frame.

Furthermore, the screw rod further comprises a limiting piece, a clamping groove is formed in the upper end of the screw rod, and the clamping groove is connected with one end of the limiting piece in a clamping mode. The limiting piece limits the movable position of the mounting frame and prevents the mounting frame from falling off due to excessive movement.

Further, the die comprises a lower die seat, the upper end of the rotating seat is provided with the lower die seat, and nine rectangular array positioning holes are formed in the center of the upper end of the lower die seat. During processing, the workpiece is arranged on the lower die seat and is positioned through the positioning hole, so that the influence on the appearance of a finished product due to dislocation is prevented.

Furthermore, the die further comprises positioning pins, round holes are formed in four corners of the upper end of the lower die base respectively, and the positioning pins are arranged at the lower ends of the inner walls of the round holes. When the locating pin pushes down at the upper die, the locating pin can provide the effect of embedding location, guarantees the stability of punching press.

Compared with the prior art, the invention has the beneficial effects that: this punching press bed die has following benefit:

1. the lower stamping die is provided with the positioning plate capable of adjusting the clamping position according to different sizes, so that the stability of integral stamping can be kept, and the influence on the forming effect caused by the movement of a workpiece during stamping is prevented;

2. according to the punching lower die, the screw rod can be rotated more conveniently through the hexagonal hand lever, the convenience of height adjustment is improved, and the stability of integral clamping is improved by the aid of the mounting frame;

3. this mould under punching, its structural design can provide firm centre gripping to not unidimensional work piece, is difficult for leading to the dislocation when the punching press, and is more nimble to the adjustment of work piece processing angle, has promoted the convenience that the mould used.

Drawings

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

FIG. 2 is a partial structural view of a clamping unit according to the present invention.

In the figure: the device comprises a base 1, a movable unit 2, a rotating seat 21, a movable ring 22, a positioning seat 23, a sliding rod 24, a screw rod 25, an installation frame 26, a fixed lug 27, a hexagonal hand rod 28, a 29U-shaped positioning frame 3, a clamping unit 31, a rack 31, a positioning plate 32, a motor 33, a gear 34, a limiting sheet 4, a lower die seat 5 and a positioning pin 6.

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.

Referring to fig. 1-2, the present embodiment provides a technical solution: a stamping lower die comprises a base 1, a movable unit 2 and a clamping unit 3;

base 1: is provided with a clamping unit 3;

the clamping unit 3 comprises a rack 31, a positioning plate 32, a motor 33 and a gear 34, the inner wall of the U-shaped positioning frame 29 is transversely movably connected with two sides of the rack 31, the inner end of the rack 31 is provided with the positioning plate 32, the front end of the U-shaped positioning frame 29 is provided with a motor support, the motor support is fixedly connected with one end of the motor 33, the output shaft of the motor 33 is fixedly connected with one end of the gear 34, and the gear 34 is meshed with the rack 31. When a workpiece is clamped, the motor 33 is started to drive the gear 34 to rotate, the gear is further meshed with the connecting rack 31, and the positioning plate 32 on the rack 31 is controlled to position and clamp the workpiece under the limitation of the U-shaped positioning frame 29.

The movable unit 2: include and rotate seat 21, activity ring 22, positioning seat 23, slide bar 24, screw rod 25, installing frame 26 and fixed ear 27, the lower extreme that rotates seat 21 is connected in the rotation of the upper end center of base 1, the peripheral middle part of rotating seat 21 rotates the inner wall of connecting activity ring 22, both ends are equipped with a positioning seat 23 respectively about activity ring 22, the upper end of left positioning seat 23 is equipped with slide bar 24, the lower extreme of connecting screw rod 25 is rotated to the upper end of the positioning seat 23 on right side, the upside of rotating seat 21 is equipped with installing frame 26, both ends are equipped with a fixed ear 27 respectively about installing frame 26, vertical slide opening has been seted up to the upper end of left fixed ear 27, and the slide opening upper end is equipped with the sliding ring, the vertical swing joint slide bar's of sliding ring peripheral upside 24, the screw hole has been seted up to the upper end of the fixed ear 27 on right side, and the peripheral upside of screw hole threaded connection screw rod 25.

The base 1 supports the whole structure, the stability of the operation is improved, during the processing, the placing angle of the workpiece can be adjusted by rotating the rotating seat 21, then the two positioning seats 23 are rotated by the movable ring 22, the clamping position of the positioning seats is adjusted, when the height position of the clamped workpiece is adjusted, the screw rod 25 is rotated to be in threaded connection with the threaded hole of the fixing lug 27 on the right side of the mounting frame 26, and further the fixing lug 27 on the left side of the mounting frame 26 moves along the direction of the sliding rod 24.

The movable unit 2 further comprises a hexagonal handle 28 and a U-shaped positioning frame 29, the hexagonal handle 28 is arranged on the lower side of the periphery of the screw 25, and the U-shaped positioning frame 29 is arranged at the left end and the right end of the inner wall of the mounting frame 26 respectively. The hexagonal handle 28 can lift the rotation of the screw 25 and control the position adjustment of the clamping unit 3 under the limitation of the U-shaped positioning frame 29.

Still include spacing piece 4, the draw-in groove has been seted up to the upper end of screw rod 25, and the one end of draw-in groove joint spacing piece 4. The stopper piece 4 restricts the movable position of the mounting frame 26 and prevents the mounting frame from falling off due to excessive movement.

Still include lower die base 5, the upper end of rotating seat 21 is equipped with lower die base 5, and nine rectangular array locating holes have been seted up at the upper end center of lower die base 5. During processing, a workpiece is placed on the lower die seat 5 and is positioned through the positioning holes, so that the influence on the appearance of a finished product due to dislocation is avoided.

Still include locating pin 6, a round hole has been seted up respectively to the upper end four corners of bed die base 5, and the inner wall lower extreme of round hole is equipped with locating pin 6. When the positioning pin 6 is pressed down by the upper die, the embedding positioning function can be provided, and the stamping stability is ensured.

The working principle of the lower stamping die provided by the invention is as follows: when in processing, a workpiece is placed on the lower die seat 5 and is positioned through the positioning hole, the appearance of a finished product is prevented from being influenced by dislocation, the base 1 supports the whole structure, the stability of operation is improved, during processing, the rotating seat 21 can be rotated to adjust the placing angle of the workpiece, then the movable ring 22 is used for rotating the two positioning seats 23 to adjust the clamping positions of the positioning seats, when the height position of the clamped workpiece is adjusted, the screw rod 25 is rotated, the hexagonal hand rod 28 is used for improving the convenience of the rotation of the screw rod 25, the threaded hole of the fixing lug 27 on the right side of the installation frame 26 is connected with the screw thread of the hexagonal hand rod 28, the fixing lug 27 on the left side of the installation frame 26 is further moved along the direction of the sliding rod 24, the limiting sheet 4 limits the moving position of the installation frame 26 to prevent the mounting frame from excessively moving and falling off, after the height is determined, the workpiece is clamped, when the workpiece is clamped, the motor 33 is opened to drive the gear 34 to rotate, the gear is further engaged and connected with the rack 31, the locating plate 32 on the control rack 31 carries out location centre gripping to the work piece under U type locating rack 29's restriction, and locating pin 6 can provide the effect of embedding location when last mould pushes down, guarantees the stability of punching press, and the punching press finishes the back take off the work piece can, whole bed die finishes using.

It should be noted that the core chip of the control switch set disclosed in the above embodiments is a PLC single chip, the specific model is mitsubishi FX1s-10MT, the motor 33 can be freely configured according to the actual application scenario, and the motor 33 can be a stepping motor. The control switch group controls the operation of the motor 33 by a method commonly used in the art.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a punching press bed die which characterized in that: comprises a base (1), a movable unit (2) and a clamping unit (3);

base (1): a clamping unit (3) is arranged on the upper side of the frame;

active unit (2): comprises a rotating seat (21), a movable ring (22), positioning seats (23), sliding rods (24), screw rods (25), an installation frame (26) and fixing lugs (27), wherein the center of the upper end of a base (1) is rotatably connected with the lower end of the rotating seat (21), the peripheral middle part of the rotating seat (21) is rotatably connected with the inner wall of the movable ring (22), the left end and the right end of the movable ring (22) are respectively provided with one positioning seat (23), the upper end of the left positioning seat (23) is provided with the sliding rod (24), the upper end of the right positioning seat (23) is rotatably connected with the lower end of the screw rod (25), the upper side of the rotating seat (21) is provided with the installation frame (26), the left end and the right end of the installation frame (26) are respectively provided with one fixing lug (27), the upper end of the left fixing lug (27) is provided with a vertical sliding hole, the upper end of the sliding hole is provided with a sliding ring, and the sliding ring is vertically movably connected with the peripheral upper side of the sliding rod (24), the upper end of the right fixing lug (27) is provided with a threaded hole which is in threaded connection with the peripheral upper side of the screw rod (25).

2. A punch lower die as set forth in claim 1, wherein: activity unit (2) still include hexagonal handle bar (28) and U type locating rack (29), the peripheral downside of screw rod (25) is equipped with hexagonal handle bar (28), both ends are equipped with one U type locating rack (29) respectively about the inner wall of installing frame (26).

3. A punch lower die as set forth in claim 2, wherein: centre gripping unit (3) include rack (31), locating plate (32), motor (33) and gear (34), the both sides of the horizontal swing joint rack (31) of inner wall of U type locating rack (29), the inner of rack (31) is equipped with locating plate (32), the front end of U type locating rack (29) is equipped with the motor support, and the one end of motor support fixed connection motor (33), the one end of output shaft fixed connection gear (34) of motor (33), rack (31) is connected in gear (34) meshing.

4. A punch lower die as set forth in claim 1, wherein: the screw rod clamping device is characterized by further comprising a limiting piece (4), a clamping groove is formed in the upper end of the screw rod (25), and the clamping groove is clamped with one end of the limiting piece (4).

5. A punch lower die as set forth in claim 1, wherein: the die is characterized by further comprising a lower die seat (5), wherein the lower die seat (5) is arranged at the upper end of the rotating seat (21), and nine rectangular array positioning holes are formed in the center of the upper end of the lower die seat (5).

6. The lower stamping die of claim 5, wherein: the die is characterized by further comprising positioning pins (6), wherein round holes are formed in four corners of the upper end of the lower die seat (5) respectively, and the positioning pins (6) are arranged at the lower ends of the inner walls of the round holes.