CN210475381U

CN210475381U - Blind hole punching hot forging device convenient for separating punch and hot forging piece

Info

Publication number: CN210475381U
Application number: CN201921418524.7U
Authority: CN
Inventors: 卜志强; 何友谊; 王松领
Original assignee: Luoyang Gengli Construction Machinery Co ltd
Current assignee: Luoyang Gengli Construction Machinery Co ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-05-08
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a blind hole punching hot forging device convenient for separating a punch from a hot forging piece, which is used by combining a forging press and comprises a lower die component arranged on the lower working table surface of the forging press and an upper die component arranged on the upper working table surface and matched with the lower die component for use, wherein the lower die component is provided with a jacking component matched with the lower die component to withdraw from the hot forging piece; the upper membrane assembly comprises a separation resetting mechanism and a punch rod, the lower end of the punch rod penetrates through the separation resetting mechanism and is arranged in sliding fit with the lower end of the separation resetting mechanism, a punch is assembled at the lower end of the punch rod, and a limit protection mechanism of the punch is distributed on the punch rod along the axial direction of the punch rod; the utility model relates to a towards blind hole hot forging device convenient to drift and hot forging separation is applicable to the forging press, adopts the design of duplex position forging and pressing, can realize towards drift and hot forging autosegregation behind the blind hole through the separation canceling release mechanical system that is equipped with, accomplishes and unloads, is convenient for make the hot forging break away from the lower mould through the design of liftout subassembly, and the manipulator of being convenient for snatchs.

Description

Blind hole punching hot forging device convenient for separating punch and hot forging piece

Technical Field

The utility model relates to a machinery forging and pressing equipment technical field, in particular to towards blind hole hot forging device convenient to drift and hot forging separation.

Background

Realize on forging press that it is the common processing mode who uses in the mechanical forging and pressing to carry out towards the blind hole to the forge hot piece, the equipment that adopts at present, all need manual operation, and in use can not accomplish the material returned automatically, and can not realize cooperating with the manipulator, often can influence work efficiency like this, and do not realize the separation of man-machine, be unfavorable for workman's safety, and the towards blind hole mould that uses at present does not protect to the drift, the drift often can damage because of overshooting in work, be heated at hot forging process drift simultaneously and be out of shape easily, can bring certain loss for the enterprise like this.

The utility model relates to a blind hole punching die with a material returning mechanism, wherein the notice number is CN 202239192U, the notice date is 2012.05.30, the blind hole punching die with the material returning mechanism is combined on a blind hole punching machine table, and the blind hole punching die comprises an upper male die, so that the upper male die driving the blind hole punching die can punch blind holes; the improvement is that the front end of the blind hole punching die is provided with a containing space, a recovery device is arranged in the containing space, one end of the recovery device is abutted against a material returning die, so that when the blind hole punching is carried out, the material returning die is downwardly displaced through the blind hole punching die and is abutted against a processed base material, the recovery device is compressed and is pressurized on the material returning die, when the blind hole punching die is upwardly displaced, the material returning die can be continuously abutted against the processed base material, and until the recovery device gradually returns to the state before being compressed, the material returning die can be separated from the processed base material. Above utility model is used for towards the blind hole board, and only solve the matrix and withdraw from the material returned problem of material returned mould, do not relate to protection drift scheduling problem, do not relate to the problem of how to separate drift and processing matrix yet.

The utility model relates to a simultaneous punching and flanging die mechanism, the notice number is CN205096362U, the notice date is 2016.03.23, the utility model relates to a simultaneous punching and flanging die mechanism, a spring mounting recess is arranged in a lower die plate, a supporting spring is arranged in the spring mounting recess, a die holder is arranged on the lower die plate, a die is fixed in a die cavity of the die holder, a stripper plate is arranged above the die holder, a fixed plate is arranged above the stripper plate, an upper padding plate is arranged on the fixed plate, and a punch head is fixed on the fixed plate; the punch limiting end is fixed in the fixing plate, a cylindrical convex blind hole punching male die is arranged at the center of the lower end face of the punch cylinder, and the side wall of the lower end part of the punch cylinder is in smooth transition with the lower end face of the punch cylinder; the female die is internally provided with an inner bushing stepped hole, an inner bushing is arranged in the inner bushing stepped hole in a sliding mode, the lower end portion of the inner bushing is provided with an inner bushing limiting end, and the inner bushing limiting end is matched with a step of the inner bushing stepped hole. The utility model discloses can reduce mould quantity when in-service use, reduce technology steps, improve the quality of hole terminal surface. Above utility model is used for dashing the hole flanging, has solved the material returned problem through the installation spring, but built-in spring blocks easily and dies, and does not relate to protection drift scheduling problem, does not also relate to the problem of how to separate drift and processing matrix.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical scheme that is adopted for reaching the problem that:

a blind hole punching hot forging device convenient for separating a punch from a hot forging is used by combining a forging press and comprises a lower die component and an upper die component, wherein the lower die component is arranged on the lower working table of the forging press, the upper die component is arranged on the upper working table and matched with the lower die component for use, and a jacking component matched with the lower die component to withdraw from the hot forging is arranged on the lower die component; the membrane feeding assembly comprises a separation reset mechanism and a punch rod, the lower end of the punch rod penetrates through the separation reset mechanism and is in sliding fit with the lower end of the separation reset mechanism, a punch is assembled at the lower end of the punch rod, and a limit protection mechanism of the punch is distributed on the punch rod along the axial direction of the punch rod.

Preferably, separation canceling release mechanical system includes parallel arrangement's last bed-jig and fixed plate, goes up and is equipped with the pillar between bed-jig and the fixed plate, and slidable mounting has fixed slide on the pillar, and the cover is equipped with the spring on the pillar, and the bed-jig is gone up in the upper and lower end contact respectively and fixed slide setting, and the cover of unloading is installed to fixed slide lower extreme, and the cover slip suit of unloading is on the drift.

Preferably, the lower end of the discharging sleeve is provided with a forged flat annular surface matched with the lower die assembly.

Preferably, the discharging sleeve is further connected with a cooling assembly, the cooling assembly comprises a liquid guide pipe, one end of the liquid guide pipe is connected with the discharging sleeve through a threaded plug with a hole, and the other end of the liquid guide pipe is provided with a cooling liquid inlet.

Preferably, the limiting protection mechanism comprises a lower limiting part and an upper limiting part which are sleeved on the outer end face of the punch rod, the upper limiting part is fixedly connected with the upper mold bed plate, the lower limiting part is slidably connected with the punch rod, and a protection limiting block which is slidably connected with the punch rod is arranged between the upper limiting part and the lower limiting part.

Preferably, the upper limiting part comprises an upper limiting block, and the upper limiting block is fixedly connected with the upper mould bed plate through an upper limiting pressing plate; the lower limiting part comprises a lower limiting block, and the lower limiting block is fixedly connected with the fixed sliding plate through a lower limiting pressing plate.

Preferably, the lower die assembly comprises a lower die and a lower die jacket sleeved on the lower die, the lower die jacket is connected with the lower die bed plate through a lower die pressing plate, a placing groove for placing a hot forging piece is formed in the lower die, and the placing groove is communicated with the ejection assembly.

Preferably, the material ejecting assembly comprises an ejecting rod and a hydraulic system for driving the ejecting rod to move, and the upper end of the ejecting rod extends into the placing groove.

The utility model discloses the beneficial effect who has does:

1. the utility model relates to a towards blind hole hot forging device convenient to drift and hot forging separation is applicable to the forging press, adopt duplex position forging and pressing design, can realize towards drift and hot forging autosegregation behind the blind hole through the separation canceling release mechanical system that is equipped with, accomplish and unload, the design through liftout subassembly is convenient for make the hot forging break away from the lower mould, the manipulator of being convenient for snatchs, this device can realize the man-machine separation with the collaborative work of manipulator, do benefit to workman's safety, and can improve work efficiency, reduce enterprise's personnel selection cost.

2. The utility model discloses a be equipped with the cover of unloading for realize drift and hot forging separation after finishing towards the blind hole, the cover lower extreme of unloading is equipped with the forging and flattening torus, and in the work forged and flattened torus stretched into the standing groove of lower mould, the forging and flattening torus can compress tightly the hot forging and make the hot forging compact, plays hard spacing effect.

3. The utility model discloses a be equipped with the protection stopper, can be according to dashing the blind hole degree of depth difference, the displacement volume of control drift, the drift that comes protection device does not damage because of overshooting.

4. The utility model discloses a cooling module for the drift can obtain the cooling in the course of the work, thereby reduces the drift temperature, improves the drift life-span.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of the present invention;

FIG. 2 is a schematic view of the non-operating state of the present invention;

FIG. 3 is a schematic structural view of the mounting portion of the present invention and the upper working table;

FIG. 4 is a schematic structural view of the mounting portion of the lower working platform of the present invention;

fig. 5 is a schematic view of the working state of the present invention.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1-4, a blind hole punching hot forging device for separating a punch from a hot forging 15, which is used in combination with a forging press, and which is mounted on a lower working table of the forging press and an upper working table moving up and down relative to the lower working table, comprises a lower die assembly mounted on the lower working table of the forging press and an upper die assembly mounted on the upper working table and used in cooperation with the lower die assembly, wherein the lower die assembly is provided with a material ejecting assembly which is used in cooperation with the lower die assembly to withdraw from the hot forging 15; go up membrane module and include separation canceling release mechanical system and

drift pole

4, 4 lower extremes of drift pole pass separation canceling release mechanical system and set up with separation canceling release mechanical system's lower extreme sliding fit, and drift 12 are equipped with in 4 lower extremes of drift pole, and drift pole 4 has laid the spacing protection mechanism of drift 12 along its axial, and preferably, drift 12 and drift pole 4 can be dismantled and be connected, can be according to dashing the size that blind hole needs changed drift 12.

As shown in fig. 1-4, in order to realize the connection between the upper die bed plate 1 and the fixing plate 10 and realize the automatic separation between the punch 12 and the hot forged piece 15 after the blind hole punching, and complete the unloading, the present invention provides a separation resetting mechanism, which comprises an upper die bed plate 19 and a fixing plate 10 arranged in parallel, wherein the punch 12 extends out of the fixing plate 10 in the working state, preferably, the fixing plate 10 is ring-shaped, and the ring hole on the fixing plate 10 facilitates the extension of the punch 12; pillars 5 are arranged between the upper tire plate 19 and the fixed plate 10, preferably at least 2 pillars 5 are arranged, fixed sliding plates 9 are arranged on the pillars 5 in a sliding mode, springs 6 are sleeved on the pillars 5 in a sliding mode, the upper end and the lower end of each spring 6 are respectively in contact with the upper tire plate 1 and the corresponding fixed sliding plate 9, preferably, a bearing is arranged at the joint of the corresponding fixed sliding plate 9 and the corresponding pillar 5, a discharging sleeve 11 is arranged at the lower end of each fixed sliding plate 9, and the discharging sleeve 11 is sleeved on the corresponding punch 12 in a sliding mode; preferably, the lower end of the discharging sleeve 11 is provided with a forged flat circular ring, and the forged flat circular ring extends into the placing groove of the lower die 17 to press the hot forging 15 in work, so that the hot forging 15 is compact and plays a role in hard limiting; the discharging sleeve 11 is connected with a cooling assembly 13, the punch 12 is thin and small in size and easy to deform under heat in the embodiment, and the cooling assembly 13 is used for cooling the punch 12 in the working process of the punch 12; separation canceling release mechanical system can avoid the dead problem of the built-in easy card of spring 6 in the current design, need unpack apart the equipment like this and carry out spring 6 and reset and change, has reduced the efficiency of work, has mainly realized punching blind hole back drift 12 and the 15 autosegregation of forge hot piece, has avoided manual operation, and the man-machine separation of being convenient for improves workman's security, and can improve work efficiency, reduces enterprise's personnel selection cost.

As shown in fig. 1-4, in order to cool the punch 12 in operation, the cooling assembly 13 includes a liquid guide tube, one end of the liquid guide tube is connected to the discharging sleeve 11 through a screw plug 14 with a hole, and the other end of the liquid guide tube is provided with a cooling liquid input port communicated with cooling liquid, in this embodiment, the cooling liquid uses water.

In the process of punching blind holes, in order to avoid damaging the punch 12 by over punching, the utility model discloses a limit protection mechanism is provided, the limit protection mechanism comprises a lower limit part and an upper limit part which are sleeved on the outer end surface of the punch rod 4, the upper limit part is fixedly connected with the upper die bed plate 1, the lower limit part is connected with the punch rod 4 in a sliding way, and a protection limit block 7 connected with the punch rod in a sliding way is arranged between the upper limit part and the lower limit part; the thickness of the protection limiting block 7 is the maximum compression distance between the upper limiting part and the lower limiting part in the working process, and the down stroke amount of the punch 12 can be controlled by adjusting the thickness of the protection limiting block 7, so that the punch 12 is prevented from being damaged due to overshoot, in the embodiment, the upper limiting part comprises an upper limiting block 3, and the upper limiting block 3 is fixedly connected with the upper mold bed 1 through an upper limiting pressing plate 2; the lower limiting part comprises a lower limiting block 8, and the lower limiting block 8 is fixedly connected with the fixed sliding plate 9 through a lower limiting pressing plate.

As shown in fig. 1 to 4, in order to achieve good positioning of the hot forged pieces 15, facilitate punching blind holes on the upper film assembly, and achieve simultaneous processing of a plurality of hot forged pieces 15, the upper film assembly is provided with at least 2 groups, the lower film assembly is provided with at least 2 groups in cooperation with the upper film assembly, in this embodiment, the upper film assembly and the lower film assembly are provided with 2 groups; the lower die assembly comprises a lower die 17 and a lower die outer sleeve 16 sleeved on the lower die 17, the lower die outer sleeve 16 is connected with a lower die bed plate 19 through a lower die pressing plate 18, a placing groove for placing the hot forging piece 15 is formed in the lower die 17 and communicated with the ejection assembly, and when the blind hole punching state is achieved, the placing groove is matched with the punch 12 to achieve the purpose that the hot forging piece 15 punches the blind hole.

As shown in fig. 1 to 4, after the blind hole punching is completed, in order to facilitate separation of the hot forged part 15 from the lower die 17 and grasping of the hot forged part 15 by the manipulator, the ejector assembly includes an ejector rod 20 and a hydraulic system 21 for driving the ejector rod 20 to move, the upper end of the ejector rod 20 extends into the placement groove, the amount of extension of the ejector rod 20 in the placement groove is controlled by the hydraulic system 21, the ejector rod 20 jacks up the hot forged part 15, separation of the hot forged part 15 from the lower die 17 is achieved, the hydraulic system 21 in this embodiment is the prior art, and details are not repeated in this embodiment.

The utility model discloses a working process does:

as shown in fig. 4-5, the device of the present invention is installed on the lower working table and the upper working table of the forging press, the manipulator places the hot forged piece 15 in the placement groove of the lower die 17, the forging press switch is started to drive the upper working table to move downward relative to the lower working table, when the upper membrane module contacts with the lower die 17 module, the punch 12 contacts with the hot forged piece 15, the upper working table moves downward gradually, so that the upper positioning part drives the punch rod 4 to move downward, the indirect punch rod 4 drives the punch 12 to press the hot forged piece 15, then the lower end of the discharging sleeve 11 contacts with the upper end face of the lower die 17, the front end of the discharging sleeve 11 enters into the cavity of the lower die 17 to forge the end face of the hot forged piece 15 flat, the hot forged piece 15 is compacted to play a role of hard limit, the lower positioning part, the discharging sleeve 11 and the fixing slide plate 9 start to slide upward relative to the punch rod 4 along the axial direction of the punch rod 4, at this moment, water is conveyed into the discharging sleeve 11 through the liquid guide pipe, the separating reset mechanism starts to act at this moment, the spring 6 is compressed and stores energy under the action of the upper die bed plate 1 and the fixed sliding plate 9, when the upper limiting part and the lower limiting part move relatively until the upper limiting part is limited by the protection limiting block 7, the punch 12 moves in place, the blind hole punching of the hot forging piece 15 is realized, the thickness of the protection limiting block 7 can be adjusted according to the movement distance of the punch 12 in actual work, the protection limiting block 7 realizes the protection of the punch 12 through limiting, and the punch 12 is prevented from being damaged due to overshoot.

After the blind hole punching is finished, the working table top is moved upwards, the upper working surface and the upper punch 12 are moved upwards all the time, the compression spring 6 starts to recover the free state, the discharging sleeve 11 still contacts the lower die 17 due to the pressure of the spring 6, the punch 12 is drawn out of the hot forging piece 15 in this way until the spring 6 recovers the original position, the lower limiting part, the discharging sleeve 11 and the fixed sliding plate 9 start to move upwards together with the upper working surface and recover to the initial position, the hydraulic system 21 starts to work to drive the ejector rod 20 to eject the forged hot forging piece 15, and the manipulator clamps the hot forging piece 15 and places the hot forging piece 15 into the material frame to start the next process.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. 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, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning unless otherwise stated.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the above-described arrangements in the embodiments or equivalents may be substituted for some of the features of the embodiments, but such modifications or substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A blind hole punching hot forging device convenient for separating a punch from a hot forging is used by combining a forging press and comprises a lower die component and an upper die component, wherein the lower die component is arranged on the lower working table of the forging press, the upper die component is arranged on the upper working table and matched with the lower die component for use, and a jacking component matched with the lower die component to withdraw from the hot forging is arranged on the lower die component; the upper die assembly is characterized by comprising a separation reset mechanism and a punch rod, wherein the lower end of the punch rod penetrates through the separation reset mechanism and is in sliding fit with the lower end of the separation reset mechanism, a punch is assembled at the lower end of the punch rod, and a limit protection mechanism of the punch is distributed on the punch rod along the axial direction of the punch rod.

2. The blind hole punching hot forging device convenient for separating the punch from the hot forging piece as claimed in claim 1, wherein the separation resetting mechanism comprises an upper die plate and a fixed plate which are arranged in parallel, a pillar is arranged between the upper die plate and the fixed plate, a fixed sliding plate is slidably mounted on the pillar, a spring is sleeved on the pillar, the upper end and the lower end of the spring are respectively arranged in contact with the upper die plate and the fixed sliding plate, a discharging sleeve is mounted at the lower end of the fixed sliding plate, and the discharging sleeve is slidably sleeved on the punch.

3. The blind hole punching hot forging device facilitating punch separation from a hot forging piece as claimed in claim 2, wherein the lower end of the discharging sleeve is provided with a forged flat circular ring surface matched with the lower die assembly.

4. The blind hole punching hot forging device convenient for separating the punch from the hot forging piece as claimed in claim 2, wherein the discharging sleeve is further connected with a cooling assembly, the cooling assembly comprises a liquid guide pipe, one end of the liquid guide pipe is connected with the discharging sleeve through a screw plug with a hole, and the other end of the liquid guide pipe is provided with a cooling liquid inlet.

5. The blind hole punching and hot forging device convenient for separating the punch from the hot forging piece as claimed in claim 2, wherein the limiting protection mechanism comprises a lower limiting part and an upper limiting part which are sleeved on the outer end face of the punch rod, the upper limiting part is fixedly connected with the upper die plate, the lower limiting part is slidably connected with the punch rod, and a protection limiting block which is slidably connected with the punch rod is arranged between the upper limiting part and the lower limiting part.

6. The blind hole punching hot forging device for facilitating the separation of the punch and the hot forging piece as claimed in claim 5, wherein the upper limiting part comprises an upper limiting block, and the upper limiting block is fixedly connected with the upper die bed plate through an upper limiting pressing plate; the lower limiting part comprises a lower limiting block, and the lower limiting block is fixedly connected with the fixed sliding plate through a lower limiting pressing plate.

7. The blind hole punching hot forging device convenient for separating the punch head from the hot forging piece as claimed in claim 1 or 6, wherein the lower die assembly comprises a lower die and a lower die outer sleeve sleeved on the lower die, the lower die outer sleeve is connected with a lower die bed plate through a lower die pressing plate, a placing groove for placing the hot forging piece is arranged in the lower die, and the placing groove is communicated with the ejection assembly.

8. The blind piercing hot forging apparatus for facilitating separation of the punch from the hot forging as claimed in claim 7, wherein the ejector assembly includes an ejector pin and a hydraulic system for driving the ejector pin to move, and the upper end of the ejector pin extends into the receiving groove.