CN213591665U - Metal forging device - Google Patents

Metal forging device Download PDF

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Publication number
CN213591665U
CN213591665U CN202022007340.0U CN202022007340U CN213591665U CN 213591665 U CN213591665 U CN 213591665U CN 202022007340 U CN202022007340 U CN 202022007340U CN 213591665 U CN213591665 U CN 213591665U
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China
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sleeve
inert gas
heating
cavity
forged
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CN202022007340.0U
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Chinese (zh)
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张贞贞
张瑞勇
韩庆
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Beijing Gangye Xinte Technology Co ltd
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Beijing Gangye Xinte Technology Co ltd
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Abstract

The utility model provides a metal forging device relates to the relevant technical field of forging equipment, has solved the easy problem of being oxidized by the air in the forging process that exists among the prior art. The device includes the heating sleeve structure, fire-resistant heat preservation block structure, inert gas fills structure and tup, the heating sleeve structure is connected with the base of punching press lathe, the cavity is held in the heating sleeve structure, the structural import of having seted up of heating sleeve and the structural heating element that is provided with of heating sleeve, it fills the structure with inert gas to hold the cavity and be linked together, the heating element heating holds in the cavity fire-resistant heat preservation block structure and the heating sleeve structure cooperate with the shutoff import when waiting to forge the piece, the tup sets firmly on the drift of punching press lathe, the piece of waiting to forge in the holding cavity fire-resistant heat preservation block structure and heating sleeve structure are in the detached state and the punching press lathe drives the tup and gets into and hold the cavity and forge in order to treat the forging piece.

Description

Metal forging device
Technical Field
The utility model relates to a relevant technical field of forging equipment, specific saying so relates to a metal forging device.
Background
Forging is a process of using forging machinery to apply pressure to a metal blank to make it plastically deform to obtain a forging with certain mechanical properties, certain shape and size. The defects of as-cast porosity and the like generated in the smelting process of metal can be eliminated through forging, the microstructure is optimized, and meanwhile, because the complete metal streamline is preserved, the mechanical property of the forging is generally superior to that of a casting made of the same material.
The present applicant has found that the connector (low expansion alloy) for connecting two different materials (metal material and ceramic material) having large difference in expansion coefficient is mainly formed by forging in air, and is generally forged at an air temperature of 900 to 1200 ℃, and under such a condition, the following technical problems exist in the prior art:
the connecting piece is easily oxidized in the forging process, and oxide skin appears on the surface of the connector, so that the product quality and the structure are greatly influenced, particularly, the connector used in the field of military products is not allowed to have the defects, and a novel forging device is urgently needed to be developed, so that the requirement that the product blocks air to be oxidized or the structure of metal is damaged when being forged at 900-1200 ℃ can be met.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a metal forging device to the forging piece who exists among the solution prior art forges the easy air oxidation of in-process, thereby the technical problem that the cinder has very big influence to product quality and organizational structure appears in the surface. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a pair of metal forging device, fill structure and tup including heating sleeve structure, fire-resistant heat preservation block structure, inert gas, wherein: the heating sleeve structure is connected with a base of a punching machine tool, a containing cavity is arranged in the heating sleeve structure, an inlet is formed in the heating sleeve structure, a heating assembly capable of heating a part to be forged in the containing cavity is arranged on the heating sleeve structure, the containing cavity is communicated with an inert gas charging structure, the heating assembly heats the part to be forged in the containing cavity, the fire-resistant heat-insulation blocking structure is matched with the heating sleeve structure to block the inlet, the hammer head is fixedly arranged on a punch head of the punching machine tool, and the fire-resistant heat-insulation blocking structure is in a separation state with the heating sleeve structure when the part to be forged in the containing cavity is forged, and the punching machine tool drives the hammer head to enter the containing cavity to forge the part to be forged.
Preferably, the heating sleeve structure includes the sleeve and heating element, the sleeve forms the detachable connection with the base of punching press lathe, seted up the chamber groove between telescopic outer wall and the inner wall, the internally mounted of chamber groove has heating element.
Preferably, the sleeve includes sleeve body and base connecting portion, the sleeve body be hollow cylindricality structure just be formed with on the sleeve body with inert gas fills the opening that the structure is connected, follows the keeping away from of sleeve body the terminal surface edge of import extends to the direction that is kept away from to hold the cavity and forms base connecting portion, base connecting portion with the base bolted connection of punching press lathe.
Preferably, the sleeve body and the base connecting part are fixedly connected or integrally connected, and the cross section of the sleeve along the axial direction is T-shaped; the heating assembly comprises resistance wires which are uniformly arranged in the cavity groove formed between the outer wall and the inner wall of the sleeve body along the circumferential direction of the sleeve body.
Preferably, the inert gas charging structure comprises an inert gas storage tank and an inert gas pipeline, the inert gas storage tank is communicated with the port on the sleeve body through the inert gas pipeline so that inert gas can enter the accommodating cavity through the inert gas pipeline, and the inert gas pipeline is provided with a solenoid valve; the inert gas pipeline comprises a main pipeline and branch pipelines, the number of the openings is two, the two ends of the main pipeline are respectively connected with the inert gas storage tank and one of the openings, the two ends of the branch pipelines are respectively communicated with the main pipeline and the other opening, and the main pipeline is provided with the electromagnetic valve.
Preferably, the fireproof heat-insulating blocking structure is in a shape of a T and comprises a head part and a blocking part, the head part and the blocking part are fixedly connected or integrally connected, when the fireproof heat-insulating blocking structure is matched with the heating sleeve structure, at least part of the section of the blocking part is located in the accommodating cavity, and the piece to be forged is located between the blocking part and the sleeve body.
Preferably, the blocking part comprises a connecting section and a supporting section, the connecting section and the supporting section form a step structure, the supporting section is lower in height than the connecting section, and the diameter of the connecting section is larger than that of the supporting section.
Preferably, the tup includes tup body and drift connecting portion, the tup body with both fixed connection of drift connecting portion or both formula as an organic whole are connected, the drift connecting portion with the drift fixed connection of punching press lathe, when waiting to forge in the holding cavity the at least partial section of tup body is located in the holding cavity, keep away from on the tup body the tip of drift connecting portion is provided with the space of stepping down that can place waiting to forge.
Preferably, the connection section with all seted up at least one first annular protection gas flow channel on the tup body along the circumferential direction or/and seted up on the inner wall of sleeve body with first annular protection gas flow channel position and quantity the same second annular protection gas flow channel, be provided with safety vent valve on the sleeve body in order to right the gas in the holding cavity is carminative.
Preferably, the metal forging device further comprises a forging die outer sleeve, the forging die outer sleeve is arranged between the sleeve body and the part to be forged when the part to be forged in the accommodating cavity is forged, and the upper end face of the forging die outer sleeve is flush with the upper end face of the sleeve body.
The utility model provides a metal forging device, including the heating sleeve structure, fire-resistant heat preservation block structure, inert gas fills into structure and tup, wherein, the heating sleeve structure is connected with the base of punching press lathe, the cavity is holding in the heating sleeve structure, structural import and the heating sleeve of having seted up of heating sleeve are provided with the heating element that can heat the part of waiting to forge in the holding cavity, it fills into the structure with inert gas and is linked together to hold the cavity, fire-resistant heat preservation block structure cooperatees with the heating sleeve structure and imports with the shutoff when the part of waiting to forge in the heating element heating holding cavity, the tup sets firmly on the drift of punching press lathe, fire-resistant heat preservation block structure is in the detached state and the punching press lathe drives the tup entering and holds the cavity and forges in order to treat the part of forging when the part of waiting to forge in the. The workpiece to be forged is prevented from being oxidized in the whole forging process, and the quality of the product is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a metal forging apparatus (a refractory heat-preservation plugging structure is not shown) provided by an embodiment of the present invention;
fig. 2 is a schematic view of a fire-resistant thermal insulation plugging structure provided by the embodiment of the present invention.
Reference numerals: 1. a base; 2. a sleeve; 21. a sleeve body; 22. a base connection portion; 3. a heating assembly; 4. a main pipeline; 5. a branch line; 6. an electromagnetic valve; 7. a head portion; 8. a plugging section; 81. a connecting section; 82. a support section; 9. a hammer head; 10. a first annular shield gas flow passage; 11. a second annular shield gas flow passage; 12. a safety exhaust valve; 13. forging die outer sleeves; 14. and (5) a part to be forged.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-2, the utility model provides a metal forging device, fill structure and tup 9 including heating sleeve structure, fire-resistant heat preservation block structure, inert gas, wherein: heating sleeve structure is connected with base 1 of punching press lathe, the cavity is held in the heating sleeve structure, heating sleeve structure is last to be seted up import and heating sleeve structure and to be provided with can heat the heating element 3 who holds forging piece 14 in the cavity, it fills the structure with inert gas and is linked together to hold the cavity, heating element 3 heats the heat preservation block structure of holding treating in the cavity and cooperatees with the shutoff import with heating sleeve structure, tup 9 sets firmly on the drift of punching press lathe, the heat preservation block structure of holding treating in the cavity is in the detached state and heating sleeve structure and is in the separation state and punching press lathe drives tup 9 and gets into and hold the cavity in order to treat forging piece 14 and forge. The part 14 to be forged is prevented from being oxidized in the whole forging process, and the quality of the product is ensured.
As the utility model discloses optional embodiment, the heating sleeve structure includes sleeve 2 and heating element 3, and sleeve 2 forms to dismantle with the base 1 of punching press lathe and is connected, has seted up the chamber groove between the outer wall of sleeve 2 and the inner wall, and the internally mounted in chamber groove has heating element 3. In addition, the heating component 3 in this embodiment includes resistance wires, and the resistance wires are uniformly arranged in a cavity groove formed between the outer wall and the inner wall of the sleeve 2 along the circumferential direction of the sleeve 2.
As the utility model discloses optional embodiment, sleeve 2 includes sleeve body 21 and base connecting portion 22, and sleeve body 21 is formed with on hollow cylindricality structure and the sleeve body 21 and fills the opening of structural connection with inert gas, and the terminal surface edge of keeping away from the import along sleeve body 21 extends formation base connecting portion 22 to the direction of holding the cavity dorsad, base connecting portion 22 and the 1 bolted connection of base of punching press lathe, convenient to detach installation, convenient and fast.
Specifically, the sleeve body 21 and the base connecting portion 22 are fixedly connected or integrally connected, and the cross section of the sleeve 2 along the axial direction is T-shaped; the resistance wires are arranged uniformly in the cavity groove along the circumferential direction of the sleeve body 21.
As an optional implementation manner of the present invention, the inert gas filling structure in this embodiment includes an inert gas storage tank and an inert gas pipeline, the inert gas storage tank is communicated with the opening on the sleeve body 21 through the inert gas pipeline so that the inert gas can enter the accommodating cavity through the inert gas pipeline, and the inert gas pipeline is provided with a solenoid valve 6; referring to fig. 1, the inert gas pipeline in this embodiment includes a main pipeline 4 and a branch pipeline 5, the number of the through openings is two, two ends of the main pipeline 4 are respectively connected to the inert gas storage tank and one of the through openings, two ends of the branch pipeline 5 are respectively communicated with the main pipeline 4 and the other through opening, and the main pipeline 4 is provided with a solenoid valve 6.
As the utility model discloses optional embodiment, fire-resistant heat preservation block structure adopts fire-resistant heat preservation material to make, for example, the aluminium silicate, wholly be "T" style of calligraphy, including head 7 and shutoff portion 8, both fixed connection or both formula as an organic whole are connected between head 7 and shutoff portion 8, when fire-resistant heat preservation block structure and heating sleeve structure cooperate, at least partial district section of shutoff portion 8 is located the holding cavity and treats that forging 14 is located between shutoff portion 8 and sleeve body 21, when treating forging 14 heating through heating element 3, can reduce the thermal loss in the holding cavity through putting into fire-resistant heat preservation structure in the holding cavity, the messenger treats that forging 14 heats to required temperature rapidly.
As an optional embodiment of the present invention, the blocking portion 8 includes a connecting section 81 and a supporting section 82, the connecting section 81 and the supporting section 82 form a step structure, and the position height of the supporting section 82 is lower than the diameter of the connecting section 81 and the connecting section 81 is greater than the diameter of the supporting section 82. When the blocking portion 8 is placed in the accommodating cavity, the to-be-forged piece 14 is located between the supporting section 82 and the inner wall of the sleeve body 21, and it should be noted that the height of the supporting section 82 in the axial direction thereof is not less than the height of the to-be-forged piece 14 before forging through the hammer head 9.
The utility model discloses well tup 9's structure is similar with fire-resistant heat preservation block structure, as the utility model discloses optional embodiment, tup 9 includes tup 9 body and drift connecting portion, and tup 9 body and drift connecting portion both fixed connection or both formula as an organic whole are connected, and the drift fixed connection of drift connecting portion and punching press lathe holds the at least partial district section of 9 bodies of tup when 14 forges of forging of treating in the cavity and is located and holds the cavity, and the tip of keeping away from the drift connecting portion on the tup 9 body is provided with the space of stepping down that can place and treat 14 forgings. The punching machine can drive the hammer head 9 to beat the part 14 to be forged in the accommodating cavity when working.
As the utility model discloses optional embodiment, set up on the inner wall that all seted up at least one first annular protection airflow channel 10 or/and sleeve body 21 along the circumference direction on linkage segment 81 and the tup 9 body and protect airflow channel 11 with the second annular that first annular protection airflow channel 10 position and quantity are the same, be provided with safety vent valve 12 on the sleeve body 21 in order to exhaust the gas that holds in the cavity. The inert gas filled into the accommodating cavity through the inert gas filling structure can better flow in the first annular protective gas flow channel 10 or/and the second annular protective gas flow channel 11, and can better prevent outside air from entering the accommodating cavity.
As the utility model discloses optional embodiment, metal forging device still includes forging die overcoat 13, and forging die overcoat 13 sets up in sleeve body 21 and treats between forging 14 when the piece 14 forges that treats in the holding cavity, and the up end of forging die overcoat 13 flushes with the up end of sleeve body 21 mutually. The forging die outer sleeve 13 is also in a hollow ring shape, so that the resistance wire between the outer wall and the inner wall of the sleeve body 21 can be better protected from being damaged, and in addition, the forging die outer sleeve 13 in the embodiment is made of a non-heat-conducting material.
In addition, utilize the utility model provides a method that metal forging device realized forging, include following step:
(1) mounting a hammer 9 on a punch of a punching machine tool, and mounting a heating sleeve structure on a base 1 of the punching machine tool;
(2) restoring the hammer head 9 to the initial position;
(3) installing the piece to be forged 14 in a containing cavity of the heating sleeve structure, and then putting the piece into a fireproof heat-preservation plugging structure;
(4) opening the inert gas filling structure, introducing inert gas into the accommodating cavity for protection, and electrifying the heating assembly 3 to heat the piece to be forged 14 in the accommodating cavity;
(5) when the heating temperature reaches the preset temperature, the heating assembly 3 is powered off, and the temperature is kept for 10 minutes, so that the piece to be forged 14 is uniformly heated;
(6) taking out the fireproof heat-preservation blocking structure, and arranging the forging die outer sleeve 13 between the sleeve body 21 and the to-be-forged piece 14;
(7) opening the punching machine tool, and driving the hammer head 9 to vertically beat to the size required by a finished product through the punch;
(8) the hammer 9 is restored, and the punching machine tool is closed;
(9) taking out the forging die outer sleeve 13, putting the forging die outer sleeve into a fireproof heat-preservation blocking structure for heat preservation, and naturally cooling to below 200 ℃;
(10) closing the inert gas filling structure to work, stopping filling the inert gas into the accommodating cavity, and taking out the fireproof heat-preservation plugging structure;
(11) and taking out the forged forging (the to-be-forged piece 14).
In the process from step (4) to step (9), the inert gas is kept filled into the accommodating cavity.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of changes or substitutions within the technical scope of the present invention, and all should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a metal forging device, its characterized in that, fills structure and tup including heating sleeve structure, fire-resistant heat preservation block structure, inert gas, wherein:
the heating sleeve structure is connected with a base of a punching machine tool, a containing cavity is arranged in the heating sleeve structure, an inlet is formed in the heating sleeve structure, a heating assembly capable of heating a part to be forged in the containing cavity is arranged on the heating sleeve structure, the containing cavity is communicated with an inert gas charging structure, the heating assembly heats the part to be forged in the containing cavity, the fire-resistant heat-insulation blocking structure is matched with the heating sleeve structure to block the inlet, the hammer head is fixedly arranged on a punch head of the punching machine tool, and the fire-resistant heat-insulation blocking structure is in a separation state with the heating sleeve structure when the part to be forged in the containing cavity is forged, and the punching machine tool drives the hammer head to enter the containing cavity to forge the part to be forged.
2. The metal forging device as recited in claim 1, wherein the heating sleeve structure comprises a sleeve and the heating assembly, the sleeve is detachably connected with a base of a punching machine, a cavity groove is formed between an outer wall and an inner wall of the sleeve, and the heating assembly is installed inside the cavity groove.
3. The metal forging apparatus as recited in claim 2, wherein the sleeve includes a sleeve body having a hollow cylindrical structure and a base connecting portion formed with a through port connected to the inert gas charging structure, the base connecting portion being formed to extend in a direction away from the accommodating cavity along an end surface edge of the sleeve body remote from the inlet port, the base connecting portion being bolted to a base of the press machine.
4. The metal forging apparatus as recited in claim 3, wherein the sleeve body and the pedestal connection portion are fixedly connected to each other or integrally connected to each other, and a cross-sectional shape of the sleeve in an axial direction thereof is "T" -shaped;
the heating assembly comprises resistance wires which are uniformly arranged in the cavity groove formed between the outer wall and the inner wall of the sleeve body along the circumferential direction of the sleeve body.
5. The metal forging apparatus as recited in claim 3, wherein the inert gas filling structure includes an inert gas storage tank and an inert gas line, the inert gas storage tank and the port of the sleeve body being communicated through the inert gas line so that an inert gas can be introduced into the receiving cavity through the inert gas line, the inert gas line being provided with a solenoid valve;
the inert gas pipeline comprises a main pipeline and branch pipelines, the number of the openings is two, the two ends of the main pipeline are respectively connected with the inert gas storage tank and one of the openings, the two ends of the branch pipelines are respectively communicated with the main pipeline and the other opening, and the main pipeline is provided with the electromagnetic valve.
6. The metal forging device as recited in claim 3, wherein the refractory heat-insulating blocking structure is T-shaped and comprises a head portion and a blocking portion, the head portion and the blocking portion are fixedly connected or integrally connected, when the refractory heat-insulating blocking structure is matched with the heating sleeve structure, at least a part of the blocking portion is located in the accommodating cavity, and the piece to be forged is located between the blocking portion and the sleeve body.
7. The metal forging apparatus as recited in claim 6, wherein the blocking portion includes a connecting section and a supporting section, the connecting section and the supporting section form a stepped structure, the supporting section is located at a lower height than the connecting section, and a diameter of the connecting section is larger than a diameter of the supporting section.
8. The metal forging device of claim 7, wherein the hammer head comprises a hammer head body and a punch connecting portion, the hammer head body and the punch connecting portion are fixedly connected or integrally connected, the punch connecting portion is fixedly connected with a punch of the punching machine, at least a part of the section of the hammer head body is located in the accommodating cavity when the to-be-forged piece in the accommodating cavity is forged, and an abdicating space capable of placing the to-be-forged piece is arranged at the end of the hammer head body, which is far away from the punch connecting portion.
9. The metal forging device as recited in claim 8, wherein the connecting section and the hammer head body are respectively provided with at least one first annular protective gas flow channel along the circumferential direction, or/and the inner wall of the sleeve body is provided with second annular protective gas flow channels with the same positions and number as the first annular protective gas flow channels, and the sleeve body is provided with a safety exhaust valve for exhausting gas in the accommodating cavity.
10. The metal forging apparatus of claim 3, further comprising a die outer sleeve disposed between the sleeve body and the part to be forged when the part to be forged in the receiving cavity is forged, wherein an upper end surface of the die outer sleeve is flush with an upper end surface of the sleeve body.
CN202022007340.0U 2020-09-14 2020-09-14 Metal forging device Active CN213591665U (en)

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Application Number Priority Date Filing Date Title
CN202022007340.0U CN213591665U (en) 2020-09-14 2020-09-14 Metal forging device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114472795A (en) * 2022-02-22 2022-05-13 恒利达(福建)重工发展有限公司 Quick forging and pressing device of plate chain

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114472795A (en) * 2022-02-22 2022-05-13 恒利达(福建)重工发展有限公司 Quick forging and pressing device of plate chain
CN114472795B (en) * 2022-02-22 2024-03-19 恒利达(福建)重工发展有限公司 Quick forging device of plate link chain

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