CN219648536U - Finish forging stamping die - Google Patents

Abstract

The utility model relates to a precision forging stamping die which comprises a bottom plate, wherein a frame body is fixedly connected to the top of the bottom plate, a hydraulic rod is fixedly connected to the top of the frame body, an upper die holder is fixedly connected to the bottom of the hydraulic rod, a punch is arranged in the upper die holder, a lower die is fixedly connected to the top of the bottom plate, a fixing assembly is arranged in the upper die holder, the fixing assembly comprises a threaded rod rotatably connected to the inside of the upper die holder, and a threaded block is connected to the outer surface of the threaded rod in a threaded manner. This finish forging stamping die, when needs change the drift, earlier will draw the board to keeping away from one side pulling of drift, make the dead lever break away from the fixed orifices, then rotate turn round the cap and drive the threaded rod rotation, the threaded rod rotation drives the thread piece and upwards moves, the thread piece upwards moves and drives the movable rod and rotate, the movable rod rotates and drives slide and draw-in groove one side removal to keeping away from, can take off the drift, then will need the drift that changes install can, finally with the dead lever card to the fixed orifices inside, carry out spacingly.

Description

Finish forging stamping die

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a precision forging stamping die.

Background

A stamping die is a special process equipment for processing a material (metal or nonmetal) into a part (or a semi-finished product) 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 material is pressed at room temperature by a die attached to a press to be separated or plastically deformed, thereby obtaining a desired part.

The Chinese patent with the publication number of CN110216198B discloses a stamping die, which comprises an upper die holder and a lower die holder, wherein the upper die holder is positioned at the position right above the lower die holder, a punch is arranged on the bottom surface of the upper die holder, a lower die plate is arranged at the top end of the lower die holder, a base plate is arranged on the top surface of the lower die plate, a connecting mechanism is uniformly arranged between the base plate and the lower die plate, a guiding buffer mechanism is arranged between the upper die holder and the base plate, a die cavity is formed in the top surface of the lower die plate, through holes are formed in the base plate, the through holes are mutually communicated with the die cavity, the connecting mechanism comprises an upper connecting block, and the upper connecting block is uniformly arranged on the circumferential direction of the base plate. According to the stamping die provided by the utility model, the backing plate with corresponding thickness is replaced according to the requirements of the convex hulls with different depths, then the backing plate is installed on the lower die plate through the connecting mechanism, a set of dies are not required to be independently developed for the convex hulls with different depths, resources are saved, and production cost is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a precision forging stamping die which has the advantages of and the like and solves the problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the precision forging stamping die comprises a bottom plate, wherein a frame body is fixedly connected to the top of the bottom plate, a hydraulic rod is fixedly connected to the top of the frame body, an upper die holder is fixedly connected to the bottom of the hydraulic rod, a punch is arranged in the upper die holder, a lower die is fixedly connected to the top of the bottom plate, and a fixing assembly is arranged in the upper die holder;

the fixing assembly comprises a threaded rod which is rotationally connected to the inside of an upper die holder, a threaded block is connected to the outer surface of the threaded rod in a threaded mode, a movable rod is hinged to one side, close to the punch, of the threaded block, a sliding groove is formed in the upper die holder, a sliding plate is connected to the inside of the upper die holder in a sliding mode, a clamping rod is fixedly connected to one side, close to the punch, of the sliding plate, a clamping groove is formed in the outer surface of the punch, a first spring is fixedly connected to the inner bottom of the upper die holder, a pull plate is fixedly connected to one side, close to the punch, of the first spring, a fixing rod is fixedly connected to one side, close to the punch, of the pull plate, and a fixing hole is formed in the outer surface of the threaded rod.

Further, the inside fixedly connected with second spring of bed die, second spring top fixedly connected with buffer head, buffer head swing joint is inside the bed die inner wall and runs through the bed die inner wall.

Further, the inside fixedly connected with fixing base of upper die base, the threaded rod rotates to be connected in the fixing base inside.

Further, the thread block is in sliding connection with the inside of the chute, the movable rod is hinged with the sliding plate, the cross section of the clamping rod is rectangular, the cross section of the clamping groove is rectangular, and the clamping rod is clamped with the inside of the clamping groove.

Further, the bottom of the threaded rod is fixedly connected with a torsion cap, and the outer surface of the torsion cap is provided with anti-skid patterns.

Further, the quantity of fixed orifices is more than the quantity of dead lever, dead lever joint and fixed orifices are inside, arm-tie sliding connection is inside the upper die base.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. this finish forging stamping die, when needs change the drift, earlier will draw the board to keeping away from one side pulling of drift, make the dead lever break away from the fixed orifices, then rotate turn round the cap and drive the threaded rod rotation, the threaded rod rotation drives the thread piece and upwards moves, the thread piece upwards moves and drives the movable rod and rotate, the movable rod rotates and drives slide and draw-in groove one side removal to keeping away from, can take off the drift, then will need the drift that changes install can, finally with the dead lever card to the fixed orifices inside, carry out spacingly.

2. This finish forging stamping die, start hydraulic stem drive upper die base and drift and remove downwards and carry out the punching press to the work piece, when upper die base and buffer head contact, first spring can cushion the impact force, reaches the effect of protecting the lower mould.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of the structure of the present utility model at A in FIG. 1;

fig. 3 is a front view of the structure of the present utility model.

In the figure: 1 a bottom plate, 2 a lower die, 3 a hydraulic rod, 4 an upper die holder, 5 a punch, 6 a frame body, 7 a fixing seat, 8 a threaded rod, 9 a threaded block, 10 a sliding groove, 11 a movable rod, 12 a sliding plate, 13 a clamping rod, 14 a clamping groove, 15 a torsion cap, 16 a fixing hole, 17 a fixing rod, 18 a pulling plate, 19 a first spring, 20 a second spring and 21 a buffer head.

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. 1-3, a precision forging stamping die in this embodiment includes a base plate 1, a frame 6 is fixedly connected to the top of the base plate 1, a hydraulic rod 3 is fixedly connected to the top of the frame 6, an upper die holder 4 is fixedly connected to the bottom of the hydraulic rod 3, a punch 5 is arranged inside the upper die holder 4, a lower die 2 is fixedly connected to the top of the base plate 1, and a fixing component is arranged inside the upper die holder 4.

The fixing component comprises a threaded rod 8 which is rotationally connected to the inside of the upper die holder 4, a torsion cap 15 is fixedly connected to the bottom of the threaded rod 8, anti-skidding patterns are formed on the outer surface of the torsion cap 15, and slipping during rotation of the torsion cap 15 can be prevented as much as possible. The inside fixedly connected with fixing base 7 of upper die base 4, threaded rod 8 rotates to be connected in fixing base 7 inside, can make threaded rod 8 more stable when rotating. The threaded rod 8 surface threaded connection has screw thread piece 9, and screw thread piece 9 is close to one side of drift 5 and articulates there is movable rod 11, and spout 10 has been seted up to upper die base 4 inside, and screw thread piece 9 sliding connection is in spout 10 inside, can prevent as far as possible that screw thread piece 9 from taking place to rotate.

Secondly, the inside sliding connection of upper die base 4 has slide 12, and movable rod 11 is articulated with slide 12, and slide 12 is close to the side fixedly connected with draw-in lever 13 of drift 5, and draw-in groove 14 has been seted up to drift 5 surface, and draw-in lever 13 cross-section shape is the rectangle, and draw-in groove 14 cross-section shape is the rectangle, and draw-in lever 13 joint is inside with draw-in groove 14. The bottom inside the upper die holder 4 is fixedly connected with a first spring 19, one side of the first spring 19, which is close to the punch 5, is fixedly connected with a pull plate 18, one side of the pull plate 18, which is close to the punch 5, is fixedly connected with a fixing rod 17, and the outer surface of the threaded rod 8 is provided with a fixing hole 16.

In addition, the inside fixedly connected with second spring 20 of bed die 2, second spring 20 top fixedly connected with buffer head 21, buffer head 21 swing joint just runs through bed die 2 inner wall in bed die 2 inner wall inside. The hydraulic rod 3 is started to drive the upper die holder 4 and the punch 5 to move downwards to punch the workpiece, and when the upper die holder 4 is in contact with the buffer head 21, the first spring 19 can buffer the impact force, so that the effect of protecting the lower die 2 is achieved.

The working principle of the embodiment is as follows:

(1) When the punch is required to be replaced, the pull plate 18 is pulled to the side far away from the punch 5, the fixing rod 17 is separated from the fixing hole 16, then the torsion cap 15 is rotated to drive the threaded rod 8 to rotate, the threaded rod 8 is rotated to drive the threaded block 9 to move upwards, the threaded block 9 is moved upwards to drive the movable rod 11 to rotate, the movable rod 11 is rotated to drive the sliding plate 12 and the clamping rod 13 to move to the side far away from the clamping groove 14, the punch 5 can be taken down, then the punch 5 required to be replaced is installed, and finally the fixing rod 17 is clamped into the fixing hole 16 to limit the position.

(2) According to the precision forging stamping die, the hydraulic rod 3 is started to drive the upper die holder 4 and the punch 5 to move downwards to stamp a workpiece, and when the upper die holder 4 is in contact with the buffer head 21, the impact force can be buffered by the first spring 19, so that the effect of protecting the lower die 2 is achieved.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 (6)

1. The utility model provides a finish forging stamping die, includes bottom plate (1), its characterized in that: the novel die comprises a bottom plate (1), a frame body (6) is fixedly connected to the top of the bottom plate (1), a hydraulic rod (3) is fixedly connected to the top of the frame body (6), an upper die holder (4) is fixedly connected to the bottom of the hydraulic rod (3), a punch (5) is arranged in the upper die holder (4), a lower die (2) is fixedly connected to the top of the bottom plate (1), and a fixing assembly is arranged in the upper die holder (4);

the utility model provides a fixed subassembly is including rotating threaded rod (8) of connecting in upper die base (4) inside, threaded rod (8) surface threaded connection has screw thread piece (9), one side that screw thread piece (9) are close to drift (5) articulates there is movable rod (11), spout (10) have been seted up to upper die base (4) inside, inside sliding connection of upper die base (4) has slide (12), one side fixedly connected with clamping rod (13) that slide (12) are close to drift (5), draw-in groove (14) have been seted up to drift (5) surface, one side fixedly connected with first spring (19) of upper die base (4) inside bottom, one side fixedly connected with arm-tie (18) that first spring (19) are close to drift (5), one side fixedly connected with dead lever (17) that arm-tie (18) are close to drift (5), fixed orifices (16) have been seted up to threaded rod (8) surface.

2. The precision forging press as set forth in claim 1, wherein: the inner part of the lower die (2) is fixedly connected with a second spring (20), the top of the second spring (20) is fixedly connected with a buffer head (21), and the buffer head (21) is movably connected inside the inner wall of the lower die (2) and penetrates through the inner wall of the lower die (2).

3. The precision forging press as set forth in claim 1, wherein: the upper die holder (4) is internally fixedly connected with a fixing seat (7), and the threaded rod (8) is rotationally connected inside the fixing seat (7).

4. The precision forging press as set forth in claim 1, wherein: the thread block (9) is in sliding connection with the inside of the chute (10), the movable rod (11) is hinged with the sliding plate (12), the cross section of the clamping rod (13) is rectangular, the cross section of the clamping groove (14) is rectangular, and the clamping rod (13) is clamped with the inside of the clamping groove (14).

5. The precision forging press as set forth in claim 1, wherein: the bottom of the threaded rod (8) is fixedly connected with a torsion cap (15), and anti-slip patterns are formed on the outer surface of the torsion cap (15).

6. The precision forging press as set forth in claim 1, wherein: the number of the fixing holes (16) is more than that of the fixing rods (17), the fixing rods (17) are clamped inside the fixing holes (16), and the pulling plate (18) is slidably connected inside the upper die holder (4).