CN214556729U

CN214556729U - Cold stamping die

Info

Publication number: CN214556729U
Application number: CN202120179582.XU
Authority: CN
Inventors: 李建斌
Original assignee: Xi'an Qinchuan Tool & Mould Co ltd
Current assignee: Xi'an Qinchuan Tool & Mould Co ltd
Priority date: 2021-01-22
Filing date: 2021-01-22
Publication date: 2021-11-02
Anticipated expiration: 2031-01-22

Abstract

The utility model discloses a cold stamping die, including the cover half, the top of cover half is equipped with the movable mould, the upper surface center rigid coupling of movable mould has the connecting rod, it has the work piece to center support tightly between movable mould and the cover half, the inside of cover half is equipped with supports a mechanism. This cold stamping die, through the cover half, the movable mould, the connecting rod, the work piece and support the cooperation between the mechanism, when the separation process appearance card death condition between work piece and the cover half after the suppression is accomplished, operating personnel carries out the gas injection operation through the gas injection pipe to the inside in cross bore and dovetail groove, make the inside atmospheric pressure reinforcing of dovetail groove, can make the together rebound of quarter butt and layer board, the layer board can produce the effort of supporting out to the work piece of top, can support out the dead work piece of the inside card of cover half fast, make the continuity of mould operation can strengthen.

Description

Cold stamping die

Technical Field

The utility model relates to the technical field of mold, specifically be a cold stamping die.

Background

The cold stamping die is a die, the die applies deformation force to a plate placed inside at room temperature, special tools for applying the deformation force to the plate at room temperature and obtaining product parts with certain shapes, sizes and performances are installed on a press, after 50 s of public and private camps, equipment such as a grinding machine, a milling machine, a sawing machine and the like is added, and a hardness tester, an outer diameter and inner diameter tester, a block gauge and the like are matched, so that the precision of the cold stamping die is improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cold stamping die to the back is accomplished in the work piece suppression that proposes in solving above-mentioned background art, the difficult separation condition that the work piece can appear dying with cover half intracavity portion card sometimes, and the continuity of mould operation remains to strengthen the problem.

In order to achieve the above object, the utility model provides a following technical scheme: a cold stamping die comprises a fixed die, wherein a movable die is arranged above the fixed die, a connecting rod is fixedly connected to the center of the upper surface of the movable die, a workpiece is tightly propped against the center between the movable die and the fixed die, and a propping mechanism is arranged inside the fixed die;

the abutting part mechanism comprises a trapezoidal groove, a plug, a circular plate, a rubber ring, an elastic band, a short rod, a groove, a supporting plate, a transverse hole, an electromagnetic valve, a joint and a gas injection pipe;

the lower surface center at the cover half is seted up to the dovetail groove, the inner wall screw thread in dovetail groove links to each other there is the plug, the bottom rigid coupling of plug has the plectane, the upper surface rigid coupling of plectane has the rubber ring, the rubber ring offsets tightly with the contact surface in dovetail groove, the top rigid coupling of plug has the elastic cord, the top rigid coupling of elastic cord has the quarter butt, the upper surface center at the cover half is seted up to the recess, the inside of recess is supported tightly has the layer board, the lower surface of layer board links to each other with the top stationary phase of quarter butt, the cross bore, right side have all been seted up to the inside left and right sides top in dovetail groove the solenoid valve is installed on the right side of cross bore, the left side of cross bore is installed and is connected, the other end that connects is connected with the gas injection pipe.

Preferably, a circular ring is fixed to the lower surface of the circular plate.

Preferably, the central points of the elastic band, the short rod and the supporting plate are all located on the same horizontal vertical line.

Preferably, the left side and the right side of the lower surface of the movable die are provided with guide mechanisms;

the guide mechanism comprises jacks, inserted rods, vertical grooves, cotton cloth ropes, blocking covers, clamping grooves, balls, transverse holes and cavities;

two the upper surface left and right sides at the cover half is seted up respectively to the jack, the inside of jack is equipped with the inserted bar, perpendicular groove, two have been seted up on the top of inserted bar the cavity is seted up respectively in the inside left and right sides of movable mould, the cavity is each other for the intercommunication with the inside of erecting the groove, the inside of cavity is equipped with the cotton rope, the top of cavity is equipped with the fender lid, it links to each other with the movable mould is articulated through the pin pole to keep off the lid, the outer wall bottom from the bottom up of inserted bar is the annular in proper order and has seted up the draw-in groove, the inside slip joint of draw-in groove has the ball, the cross bore has been seted up at the inside center of draw-in groove, the cross bore is each other for the intercommunication with the inside of erecting the groove.

Preferably, the two insert rods are bilaterally symmetrical relative to the center point of the movable mold.

Preferably, a handle is fixedly connected to one side of the upper surface of the blocking cover.

Compared with the prior art, the beneficial effects of the utility model are that: this cold stamping die, for traditional technique, have following advantage:

through the cover half, the movable mould, the connecting rod, the work piece and support the cooperation between the mechanism, when the separation process appears blocking the condition between work piece and the cover half after the suppression is accomplished, operating personnel carries out the gas injection operation through the inside of gas injection pipe to cross bore and dovetail groove, make the inside atmospheric pressure reinforcing of dovetail groove, can make the together rebound of quarter butt and layer board, the layer board can produce the effort of supporting out to the work piece of top, can support out the dead work piece of cover half inside card fast, make the continuity of mould operation can strengthen.

Through the cooperation between cover half, movable mould, connecting rod, work piece, inserted bar, slot, draw-in groove and the ball, support tight in-process at the upper surface of movable mould bottom and work piece, the inside of jack can be inserted to the inserted bar, and the ball rolls in the inside of draw-in groove a long way in this process, and the inner wall of jack can play the guide effect condition to inserted bar and ball and appear, can not appear the movable mould and move down the in-process and the positional deviation condition appears, does benefit to the accurate suppression of movable mould to the work piece.

Through the cooperation between movable mould, inserted bar, perpendicular groove, cotton cloth rope, fender lid, draw-in groove, ball, cross bore and the cavity, operating personnel can rotate the fender lid to the outside, pours into the lubricating oil of application of force into the inside at the cavity into, and the inside of cotton rope can be permeated to the lubricating oil part, can contact with the ball through the cross bore, can reduce the frictional force of ball when the draw-in groove is inside to roll.

Drawings

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

FIG. 2 is a schematic view of a connection structure of the fixed mold and the abutting member mechanism in FIG. 1;

FIG. 3 is a schematic view showing a coupling structure of the movable mold, the cavity and the cover in FIG. 1;

FIG. 4 is a schematic view showing a connection structure of the fixed mold, the plunger and the ball of FIG. 1.

In the figure: 1. the device comprises a fixed die, a movable die, a connecting rod, a workpiece, a pushing-against mechanism, a component 501, a trapezoidal groove, a thread plug 503, a circular plate, 504, a rubber ring, 505, an elastic band, 506, a short rod, 507, a groove, 508, a supporting plate, 509, a transverse hole, 510, an electromagnetic valve, 511, a connector, 512, an air injection pipe, 6, a guide mechanism, 601, a jack, 602, an inserting rod, 603, a vertical groove, 604, a cotton rope, 605, a blocking cover, 606, a clamping groove, 607, a ball, 608, a transverse hole, 609 and a cavity.

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. 1-4, the present invention provides a cold stamping die, which comprises: a cold stamping die comprises a fixed die 1, a movable die 2 is arranged above the fixed die 1, a connecting rod 3 is fixedly connected to the center of the upper surface of the movable die 2, the top end of the connecting rod 3 is connected with an external driving device in a butt joint mode and can drive the movable die 2 to move up and down, a workpiece 4 is tightly propped against the center between the movable die 2 and the fixed die 1, a propping mechanism 5 is arranged inside the fixed die 1, the propping mechanism 5 comprises a trapezoidal groove 501, a plug 502, a circular plate 503, a rubber ring 504, an elastic band 505, a short rod 506, a groove 507, a supporting plate 508, a transverse hole 509, an electromagnetic valve 510, a joint 511 and a gas injection pipe 512, the trapezoidal groove 501 is arranged in the center of the lower surface of the fixed die 1, the inner wall of the trapezoidal groove 501 is connected with the plug 502 through threads, the circular plate 503 is fixedly connected to the bottom end of the plug 502, the rubber ring 504 is fixedly connected to the upper surface of the circular plate 503, the rubber ring 504 is made of rubber material and has certain toughness to ensure the sealing performance between the trapezoidal groove 501 and the circular plate 503, the rubber ring 504 is abutted against the contact surface of the trapezoid groove 501, the top end of the plug 502 is fixedly connected with an elastic band 505, the elastic band 505 is formed by interweaving cotton or chemical fiber warp and weft yarns with a group of rubber silk latex silk or spandex silk according to a certain rule, the top end of the elastic band 505 is fixedly connected with a short rod 506, a groove 507 is arranged at the center of the upper surface of the fixed die 1, a supporting plate 508 is abutted against the inside of the groove 507, the lower surface of the supporting plate 508 is fixedly connected with the top end of the short rod 506, transverse holes 509 are arranged on the left side and the right side of the inside of the trapezoid groove 501, an electromagnetic valve 510 is arranged on the right side of the transverse hole 509, the electromagnetic valve 510 is a normally closed electromagnetic valve with the model of DW31, the power cord of the electromagnetic valve 510 is abutted against an external power supply control device, a joint 511 is arranged on the left side of the transverse hole 509 on the left side, the other end of the joint 511 is connected with an air injection pipe 512, the joint 511 is communicated with the inside of the air injection pipe 512, the outer side end of the air injection pipe 512 is abutted against an external air supply device, the lower surface of the circular plate 503 is fixedly connected with a circular ring, the circular ring can facilitate an operator to apply force to rotate the circular plate 503, the central points of the elastic band 505, the short rod 506 and the supporting plate 508 are all located on the same horizontal vertical line, and the elastic band 505 can apply force to the short rod 506 and the supporting plate 508 uniformly.

The left side and the right side of the lower surface of the movable mold 2 are provided with guide mechanisms 6, the guide mechanisms 6 comprise jacks 601, inserting rods 602, vertical grooves 603, cotton cloth ropes 604, blocking covers 605, clamping grooves 606, balls 607, transverse holes 608 and cavities 609, the two jacks 601 are respectively arranged on the left side and the right side of the upper surface of the fixed mold 1, the inserting rods 602 are arranged inside the jacks 601, the vertical grooves 603 are arranged at the top ends of the inserting rods 602, the two cavities 609 are respectively arranged on the left side and the right side of the inside of the movable mold 2, the cavities 609 are communicated with the inside of the vertical grooves 603, the cotton cloth ropes 604 are arranged inside the cavities 609, the blocking covers 605 are arranged above the cavities 609, the blocking covers 605 are hinged with the movable mold 2 through the pins, the clamping grooves 606 are sequentially arranged on the bottom end of the outer wall of the inserting rods 602 in an annular shape from bottom to top, the balls 607 are slidably clamped inside the clamping grooves 606, the balls 607 can roll inside of the clamping grooves 606 but cannot be separated from the clamping grooves 606, the transverse holes 608 are arranged in the center inside of the clamping grooves 606, the cross hole 608 and the inside of the vertical groove 603 are communicated with each other, the two insertion rods 602 are bilaterally symmetrical with respect to the center point of the movable mold 2, so that the two insertion rods 602 can uniformly apply force to the movable mold 2, and a handle is fixedly connected to one side of the upper surface of the stopper cover 605, so that an operator can conveniently apply force to rotate the stopper cover 605.

When the cold stamping die is used, an operator places a workpiece 4 to be pressed above the fixed die 1, the movable die 2 moves downwards to match with the fixed die 1 to press the workpiece 4 under the driving of the connecting rod 3, the movable die 2 moves upwards under the driving of the connecting rod 3 after the pressing is finished, the pressed workpiece 4 can be pressed after being taken down, if the separation process between the workpiece 4 and the fixed die 1 is blocked after the pressing is finished, the operator injects gas into the transverse hole 509 and the inside of the trapezoidal groove 501 through the gas injection pipe 512, so that the gas pressure inside the trapezoidal groove 501 is enhanced, the short rod 506 and the supporting plate 508 can move upwards together, the supporting plate 508 can generate a propping acting force on the workpiece 4 above, the blocked workpiece 4 inside the fixed die 1 can be quickly propped out, and the running continuity of the die is enhanced, then, air injection into the trapezoidal groove 501 is stopped, the electromagnetic valve 510 is opened and closed to discharge air in the trapezoidal groove 501, and then the elastic band 505 rebounds to restore the file 506 and the supporting plate 508, so that the upper surface of the supporting plate 508 is matched with the die cavity in the fixed die 1, and the next punching operation on the workpiece 4 is facilitated.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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. The utility model provides a cold stamping die, includes cover half (1), its characterized in that: a movable die (2) is arranged above the fixed die (1), a connecting rod (3) is fixedly connected to the center of the upper surface of the movable die (2), a workpiece (4) is tightly propped against the center between the movable die (2) and the fixed die (1), and a propping mechanism (5) is arranged in the fixed die (1);

the supporting part mechanism (5) comprises a trapezoidal groove (501), a plug (502), a circular plate (503), a rubber ring (504), an elastic band (505), a short rod (506), a groove (507), a supporting plate (508), a transverse hole (509), an electromagnetic valve (510), a joint (511) and a gas injection pipe (512);

the lower surface center at cover half (1) is seted up in dovetail groove (501), the inner wall screw thread of dovetail groove (501) links to each other has plug (502), the bottom rigid coupling of plug (502) has plectane (503), the upper surface rigid coupling of plectane (503) has rubber ring (504), rubber ring (504) offsets tightly with the contact surface of dovetail groove (501), the top rigid coupling of plug (502) has elastic cord (505), the top rigid coupling of elastic cord (505) has quarter butt (506), the upper surface center at cover half (1) is seted up in recess (507), the inside of recess (507) is supported tightly has layer board (508), the lower surface of layer board (508) links to each other with the top of quarter butt (506) is fixed, cross hole (509) have all been seted up to the inside left and right sides top of dovetail groove (501), and solenoid valve (510) are installed to the right side of cross hole (509), and a joint (511) is arranged on the left side of the transverse hole (509) on the left side, and the other end of the joint (511) is connected with a gas injection pipe (512).

2. A cold-stamping die according to claim 1, wherein: the lower surface of the circular plate (503) is fixedly connected with a circular ring.

3. A cold-stamping die according to claim 1, wherein: the central points of the elastic band (505), the short rod (506) and the supporting plate (508) are all positioned on the same horizontal vertical line.

4. A cold-stamping die according to claim 1, wherein: the left side and the right side of the lower surface of the movable mold (2) are provided with guide mechanisms (6);

the guide mechanism (6) comprises a jack (601), an inserted link (602), a vertical groove (603), a cotton rope (604), a blocking cover (605), a clamping groove (606), a ball (607), a transverse hole (608) and a cavity (609);

the two jacks (601) are respectively arranged at the left side and the right side of the upper surface of the fixed die (1), an insert rod (602) is arranged inside the insert hole (601), a vertical groove (603) is formed at the top end of the insert rod (602), two cavities (609) are respectively arranged at the left side and the right side inside the movable die (2), the cavity (609) is communicated with the interior of the vertical groove (603), a cotton cloth rope (604) is arranged in the cavity (609), a blocking cover (605) is arranged above the cavity (609), the blocking cover (605) is hinged with the movable mould (2) through a pin rod, the bottom end of the outer wall of the inserted link (602) is provided with a clamping groove (606) in a ring shape from bottom to top in sequence, the inside slip joint of draw-in groove (606) has ball (607), cross bore (608) have been seted up at the inside center of draw-in groove (606), cross bore (608) and the inside of erecting groove (603) are each other to be linked together.

5. A cold-stamping die according to claim 4, wherein: the two insert rods (602) are bilaterally symmetrical relative to the central point of the movable mold (2).

6. A cold-stamping die according to claim 4, wherein: a handle is fixedly connected to one side of the upper surface of the blocking cover (605).