CN210146734U

CN210146734U - Stamping die is used in production of machinery metal accessories

Info

Publication number: CN210146734U
Application number: CN201920705035.3U
Authority: CN
Inventors: 陈绍祥
Original assignee: HAIAN SHENGTAI COLD-DRAWING STEEL Co Ltd
Current assignee: HAIAN SHENGTAI COLD-DRAWING STEEL Co Ltd
Priority date: 2019-05-17
Filing date: 2019-05-17
Publication date: 2020-03-17
Anticipated expiration: 2029-05-17

Abstract

The utility model discloses a stamping die for producing mechanical metal accessories, which belongs to the field of cold-drawing steel production, and comprises a lower die holder and an upper die holder, wherein the upper end of the lower die holder is fixedly connected with a lower die, both sides of the upper end of the lower die are provided with die cavities, both die cavities are provided with die cores, accessory forming grooves are arranged in the die cores, one side of the upper end of the lower die holder is fixedly provided with a hydraulic cylinder through a support frame, the telescopic end of the hydraulic cylinder is fixedly connected with the top end of the upper die holder, the periphery of the upper die holder is fixedly connected with the top end of the lower die holder through a guide mechanism, both sides of the lower end of the upper die holder are fixedly connected with an upper die matched with the accessory forming grooves, one side of the upper end of the lower die is rotatably connected with a middle plate, the stable stamping between the upper die and the lower, the cooling speed of the formed object is increased, and the cooling forming time is shortened.

Description

Stamping die is used in production of machinery metal accessories

Technical Field

The utility model relates to a cold-drawn shaped steel production field, more specifically say, relate to a stamping die is used in production of mechanical metal accessory.

Background

The mechanical metal fitting product can be matched with bicycle industry, hardware tool industry, machining manufacturing industry and textile machinery processing factories, and is widely applied to the fields of machine tool manufacturing, hydroelectric equipment manufacturing, woodworking machinery manufacturing, motorcycle and bicycle fittings and the like. The mechanical metal fittings can be generally produced by a stamping technology, in which a stamping die is used, and an object to be stamped is placed in the stamping die to be stamped to obtain a finished product.

When the existing stamping die is used for stamping an object to be stamped, the upper die and the lower die directly stamp each other, and the stamping stability and accuracy of the existing stamping die are still to be improved.

Therefore, the stamping die for producing the mechanical metal fittings is provided for improving the stamping accuracy of the stamping die.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a stamping die is used in production of mechanical metal accessories can realize the firm punching press between mould and the bed die, effectively improves the stamping forming quality, and through being provided with cooling device for the cooling rate of shaping article shortens the cooling shaping time.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A stamping die for producing mechanical metal accessories comprises a lower die holder and an upper die holder, wherein the upper end of the lower die holder is fixedly connected with a lower die, two sides of the upper end of the lower die are respectively provided with a cavity, two cavities are respectively provided with a die core, accessory forming grooves are arranged in the die cores, one side of the upper end of the lower die holder is fixedly provided with a hydraulic cylinder through a support frame, the telescopic end of the hydraulic cylinder is fixedly connected with the top end of the upper die holder, the periphery of the upper die holder is fixedly connected with the top end of the lower die holder through a guide mechanism, two sides of the lower end of the upper die holder are respectively fixedly connected with an upper die matched with the accessory forming grooves, one side of the upper end of the lower die is rotatably connected with a middle plate, two hollow cavities matched with the accessory forming grooves are arranged on the side wall of the middle plate, the hollow cavities are communicated with, firm punching press between mould and the bed die can be realized, stamping forming quality is effectively improved, and through being provided with cooling device for the cooling rate of shaping article shortens the cooling shaping time.

Further, guiding mechanism includes the guide post of fixed connection in the die holder upper end, sliding connection has the guide block on the lateral wall of guide post, the one end of guide block and the lateral wall fixed connection of upper die base have improved the steadiness that the upper die base was stamped on vertical direction.

Furthermore, a set of guiding holes are formed in two sides of the upper end of the middle plate, the two sets of guiding holes are symmetrically formed in two sides of the hollow cavity, the lower ends of the guiding holes are communicated with the cavity, guiding rods matched with the guiding holes are fixedly connected to the side walls of two sides of the lower end of the upper die base, and the guiding rods are guided by the guiding holes in a matched mode, so that the stamping stability and accuracy of the upper die for the part forming grooves are further improved.

Further, rotate through two hinges and connect on the lateral wall of bed die on one side lateral wall of medium plate, the medium plate is kept away from and is seted up the spliced eye on the one end lateral wall of hinge, the upper end of bed die set up with last spliced eye assorted lower spliced eye, and go up the spliced eye and peg graft through the inserted bar down between the spliced eye, extract the inserted bar, be convenient for overturn to the medium plate to be convenient for take the shaping article.

Further, cooling device is including seting up the cooling chamber in the inside both sides of bed die, the cooling chamber corresponds the setting with the position of die cavity, the both sides of bed die all run through and set up the inlet tube, and two inlet tubes are linked together with the lateral wall of cooling chamber respectively, liquid collecting chamber, two have been seted up to the inside of die holder the relative one end in cooling chamber all is linked together through communicating pipe and the top lateral wall in liquid collecting chamber, and runs through on the outside of die holder and be equipped with the drain pipe that is linked together with liquid collecting chamber, through the flow of the coolant liquid in cooling chamber, plays rapid cooling effect to the finished product.

Further, the lower extreme four corners homoenergetic fixedly connected with supporting legs of die holder, and the upper end fixedly connected with blotter of supporting legs sets up the blotter, helps playing certain buffering cushioning effect to the mould at the punching press in-process.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize the firm punching press between mould and the bed die through adding the medium plate of establishing can the upset, effectively improves the stamping forming quality, and behind the upset medium plate, is convenient for take the shaping article, through being provided with cooling device simultaneously for the cooling rate of shaping article shortens the cooling shaping time.

(2) The guide mechanism comprises a guide post fixedly connected to the upper end of the lower die holder, a guide block is connected to the side wall of the guide post in a sliding mode, one end of the guide block is fixedly connected with the side wall of the upper die holder, and the stability of the upper die holder in the vertical direction in stamping is improved.

(3) A set of guiding hole has all been seted up to the upper end both sides of medium plate, and two sets of guiding hole symmetries set up the both sides in well cavity, and the lower extreme and the die cavity of guiding hole are linked together, equal fixedly connected with and the guiding lever that the guiding hole matches on the lower extreme both sides lateral wall of upper die base, and the cooperation direction of guiding lever and guiding hole has further improved the punching press stability and the accurate nature of last mould to accessory shaping groove.

(4) Rotate through two hinges on one side lateral wall of medium plate and connect on the lateral wall of bed die, the bed die is kept away from and is seted up the spliced eye on the one end lateral wall of hinge, the upper end of bed die set up with last spliced eye assorted lower spliced eye, and go up the spliced eye and peg graft through the inserted bar down between the spliced eye, the inserted bar plays the fixed action to the medium plate, extracts the inserted bar, is convenient for overturn to the medium plate to be convenient for take the shaping article.

(5) Through setting up the circulating flow at cooling cavity coolant liquid, the cooling cavity is located the die cavity below, effectively plays rapid cooling effect to the finished product.

(6) The lower extreme four corners homoenergetic fixedly connected with supporting legs of die holder, and the upper end fixedly connected with blotter of supporting legs sets up the blotter, helps playing certain buffering cushioning effect to the mould at the punching press in-process.

Drawings

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

FIG. 2 is a schematic perspective view of the junction between the middle plate and the lower mold according to the present invention;

fig. 3 is a schematic diagram of the external structure of the present invention.

The reference numbers in the figures illustrate:

the device comprises a lower die holder 1, a lower die 2, a die cavity 3, a die core 4, a part forming groove 5, an upper die holder 6, an upper die 7, a hydraulic cylinder 8, a middle plate 9, a hollow cavity 10, a guide hole 11, a guide rod 12, a guide block 13, a guide column 14, a cooling cavity 15, a water inlet pipe 16, a liquid collecting cavity 17 and a water outlet pipe 18.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; but not all embodiments, are based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

please refer to fig. 1-3, a stamping die for producing mechanical metal fittings, including a lower die holder 1 and an upper die holder 6, the upper end of the lower die holder 1 is fixedly connected with a lower die 2, the upper ends of the lower die 2 are both provided with cavities 3, two cavities 3 are both provided with mold cores 4, the mold cores 4 are provided with fitting forming grooves 5, one side of the upper end of the lower die holder 1 is fixedly provided with a hydraulic cylinder 8 through a support frame, the telescopic end of the hydraulic cylinder 8 is fixedly connected with the top end of the upper die holder 6, the periphery of the upper die holder 6 is fixedly connected with the top end of the lower die holder 1 through a guide mechanism, the guide mechanism comprises a guide post 14 fixedly connected with the upper end of the lower die holder 1, the side wall of the guide post 14 is slidably connected with a guide block 13, one end of the guide block 13 is fixedly connected with the side wall of the upper.

The two sides of the lower end of the upper die holder 6 are fixedly connected with an upper die 7 matched with the accessory forming groove 5, one side of the upper end of the lower die 2 is rotatably connected with a middle plate 9, the side wall of the middle plate 9 is provided with two hollow cavities 10 matched with the accessory forming groove 5, the hollow cavities 10 are communicated with the accessory forming groove 5, the two sides of the upper end of the middle plate 9 are respectively provided with a group of guide holes 11, the two groups of guide holes 11 are symmetrically arranged at the two sides of the hollow cavities 10, the lower ends of the guide holes 11 are communicated with the die cavity 3, the side walls of the two sides of the lower end of the upper die holder 6 are respectively fixedly connected with guide rods 12 matched with the guide holes 11, the guide rods 11 are matched with the guide holes 12 for guiding, the stamping stability and the accuracy of the upper die 7 for objects in the accessory forming groove 5 are further improved, and it is required to be explained that the side wall of, the jack has been seted up on the one end lateral wall that hinge was kept away from to medium plate 9, lower mould 2's upper end seted up with last jack assorted lower jack, and go up the jack and peg graft through the inserted bar down between the jack, extract the inserted bar, be convenient for overturn to medium plate 9 to be convenient for take the shaping article in accessory shaping groove 5.

Be provided with cooling device between lower bolster 2 and die holder 1, cooling device is including seting up the cooling chamber 15 in 2 inside both sides of lower mould, cooling chamber 15 corresponds the setting with the position of die cavity 3, the both sides of lower mould 2 all run through and set up inlet tube 16, and two inlet tubes 16 are linked together with the lateral wall of cooling chamber 15 respectively, liquid collecting cavity 17 has been seted up to the inside of die holder 1, two relative one ends of cooling chamber 15 all are linked together through the top lateral wall of communicating pipe with liquid collecting cavity 17, and run through on the outside of die holder 1 and be equipped with the drain pipe 18 that is linked together with liquid collecting cavity 17, flow through the coolant liquid of cooling chamber 15, play rapid cooling effect to the shaping article.

In order to improve the shock absorption effect of the stamping die, the supporting legs can be fixedly connected with the four corners of the lower end of the lower die base 1, the cushion pads are fixedly connected with the upper ends of the supporting legs, and the cushion pads are arranged, so that the die can be buffered and damped in a certain mode in the stamping process.

When the stamping die is used for stamping mechanical articles, the articles to be stamped are placed in the accessory forming groove 5 of the stamping die core 4, the internal structure of the accessory forming groove 5 is matched with the shape of the articles to be stamped, the hydraulic cylinder 8 is started, the hydraulic cylinder 8 drives the upper die holder 6 to move downwards, the upper die 7 passes through the hollow cavity 10 on the middle plate 9 and abuts against the articles to be stamped in the accessory forming groove 5, in the stamping process, the upper die holder 6 is guided by the guide blocks 13 on two sides of the upper die holder 6, the stamping stability is effectively improved, meanwhile, the upper die 7 penetrates through the hollow cavity 10 in the middle plate 9 in the stamping process, and the guide rods 12 on two sides of the upper die 7 are matched and spliced with the guide holes 11 on the middle plate 9, the stamping precision is further improved, after the stamping is finished, a large amount of heat can be generated on the surface of the molded articles, and the cooling speed is accelerated, the cooling liquid can be continuously injected into the cooling cavity 15 in the phase lower die 2, the cooling liquid flows through the cooling cavity 15 and is guided into the liquid collecting cavity 17 in the lower die base 1 and finally discharged through the drain pipe 18, and the guided cooling liquid can be recycled.

After the cooling is completed, the inserting rod is pulled out upwards, and the middle plate 9 is turned over so as to take the formed product.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model.

Claims

1. The utility model provides a stamping die is used in production of machinery metal accessories, includes die holder (1) and upper die base (6), its characterized in that: the upper end of the lower die holder (1) is fixedly connected with a lower die (2), both sides of the upper end of the lower die (2) are provided with die cavities (3), two die cavities (3) are internally provided with die cores (4), the die cores (4) are internally provided with accessory forming grooves (5), one side of the upper end of the lower die holder (1) is fixedly provided with a hydraulic cylinder (8) through a support frame, the telescopic end of the hydraulic cylinder (8) is fixedly connected with the top end of an upper die holder (6), the periphery of the upper die holder (6) is fixedly connected with the top end of the lower die holder (1) through a guide mechanism, both sides of the lower end of the upper die holder (6) are fixedly connected with an upper die (7) matched with the accessory forming grooves (5), one side of the upper end of the lower die (2) is rotatably connected with a middle plate (9), two hollow cavities (10) matched with the accessory forming grooves (5) are arranged, the hollow cavity (10) is communicated with the accessory forming groove (5), and a cooling device is arranged between the lower die (2) and the lower die holder (1).

2. The press die for machine metal fitting production according to claim 1, characterized in that: the guide mechanism comprises a guide post (14) fixedly connected to the upper end of the lower die holder (1), a guide block (13) is connected to the side wall of the guide post (14) in a sliding mode, and one end of the guide block (13) is fixedly connected with the side wall of the upper die holder (6).

3. The press die for machine metal fitting production according to claim 1, characterized in that: a set of guiding hole (11) has all been seted up to the upper end both sides of medium plate (9), and is two sets of guiding hole (11) symmetry sets up in the both sides of well cavity (10), and the lower extreme and die cavity (3) of guiding hole (11) are linked together, equal fixedly connected with and guiding hole (11) assorted guide bar (12) on the lower extreme both sides lateral wall of upper die base (6).

4. The press die for machine metal fitting production according to claim 3, characterized in that: the side wall of one side of the middle plate (9) is rotatably connected to the side wall of the lower die (2) through two hinges, an upper inserting hole is formed in the side wall of one end, away from the hinge, of the middle plate (9), a lower inserting hole matched with the upper inserting hole is formed in the upper end of the lower die (2), and the upper inserting hole and the lower inserting hole are connected through an inserting rod in an inserting mode.

5. The press die for machine metal fitting production according to claim 1, characterized in that: the cooling device comprises cooling cavities (15) formed in two sides of the inner portion of a lower die (2), the cooling cavities (15) are arranged corresponding to positions of cavities (3), water inlet pipes (16) are arranged on two sides of the lower die (2) in a penetrating mode and communicated with side walls of the cooling cavities (15) respectively, a liquid collecting cavity (17) and two water inlet pipes (16) are arranged inside a lower die base (1) in a penetrating mode, the relative end of each cooling cavity (15) is communicated with the side wall of the top end of the liquid collecting cavity (17) through a communicating pipe, and a drain pipe (18) communicated with the liquid collecting cavity (17) is arranged on the outer side of the lower die base (1) in a penetrating mode.

6. The press die for machine metal fitting production according to claim 1, characterized in that: the lower die holder (1) is characterized in that supporting legs can be fixedly connected to four corners of the lower end of the lower die holder, and a cushion pad is fixedly connected to the upper ends of the supporting legs.