CN212371084U - Forging forming device for excavator flange - Google Patents

Forging forming device for excavator flange Download PDF

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Publication number
CN212371084U
CN212371084U CN202021440183.6U CN202021440183U CN212371084U CN 212371084 U CN212371084 U CN 212371084U CN 202021440183 U CN202021440183 U CN 202021440183U CN 212371084 U CN212371084 U CN 212371084U
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CN
China
Prior art keywords
forging
lower die
core
finish
flange
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202021440183.6U
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Chinese (zh)
Inventor
陆友荣
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Langxi Haoliang Forging Co ltd
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Langxi Haoliang Forging Co ltd
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Priority to CN202021440183.6U priority Critical patent/CN212371084U/en
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Publication of CN212371084U publication Critical patent/CN212371084U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a forging forming device of excavator flange belongs to and forges technical field. The utility model discloses a lower plate and upper plate, the upper plate is driven by the press and can the up-and-down motion, the top surface of lower plate is equipped with the die holder, the bottom surface of upper plate is equipped with the upper die base, one side of upper die base bottom surface is fixed to be equipped with mold core on the throwing, one side of the top surface of die holder is fixed to be equipped with the throwing lower mould, just the position of mold core and throwing lower mould corresponds on the throwing. The flange is formed by one-time heating forging, and the flange forging die has the advantages of simple process, few forging defects, high yield, high production efficiency, few required equipment, low cost, suitability for mass production and the like; and the inside of the forging can form a good stress strain state through one-time heating forging forming, so that the internal structure of the flange is fine and compact, the mechanical property is good, and the obtained forged flange has high strength, good toughness and long fatigue life.

Description

Forging forming device for excavator flange
Technical Field
The utility model belongs to the technical field of forge, especially relate to a forging forming device of excavator flange.
Background
Excavator flange forging is generally the loop forming piece, and the method of traditional forging flange is open die forging, and the flange middle is because the forging process reason generally all adds a piece of even skin waste material, cuts in follow-up side cut punching process, has the complicated process of production technology many inefficiency, with high costs, the required equipment is more the problem, can not fine satisfy the industrial production requirement.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a forging forming device of excavator flange to current problem has been solved: the problems of complex production process, multiple working procedures, low efficiency, high cost and more required equipment exist, and the requirement of industrial production cannot be well met.
In order to solve the technical problem, the utility model is realized by the following technical scheme:
the utility model discloses a forging forming device of excavator flange, which comprises a lower bottom plate and an upper bottom plate, wherein the upper bottom plate is driven by a press machine to move up and down, the top surface of the lower bottom plate is provided with a lower die holder, and the bottom surface of the upper bottom plate is provided with an upper die holder; a blank making upper mold core is fixedly assembled on one side of the bottom surface of the upper mold base, a blank making lower mold is fixedly assembled on one side of the top surface of the lower mold base, and the blank making upper mold core corresponds to the blank making lower mold in position; an upper die plate is further assembled between the lower die base and the upper die base, pull rods are connected to two sides of the upper die plate in a sliding mode and fixedly connected with the bottom end of the upper die base, and support rods are fixed to two ends of the bottom surface of the upper die plate and are connected with the lower die base in a sliding mode; the bottom surface of the upper die base is also fixedly provided with a pre-forging punch and a finish-forging punch, the top surface of the lower die base is fixedly provided with a pre-forging lower die core and a finish-forging lower die core, and the positions of the pre-forging punch, the positions of the finish-forging punch and the positions of the finish-forging lower die core respectively correspond to those of the pre-forging lower die core; the inner part of the lower bottom plate is fixedly provided with an ejector rod, the bottom of the ejector rod is fixedly connected with a stroke rod of a lower ejection cylinder, the lower ejection cylinder is fixedly connected with the bottom surface of the lower bottom plate, the top end of the ejector rod is fixedly provided with a top plate, two ends of the top plate are respectively and fixedly connected with a pre-forging lower die jacking core and a finish-forging lower die jacking core, and the pre-forging lower die jacking core and the finish-forging lower die jacking core are respectively positioned at the bottoms of the pre-forging lower die core and the finish-forging lower die core.
Preferably, the guide sleeves are fixedly assembled at two ends of one side of the top surface of the lower die holder, the guide pillars are fixedly assembled at two ends of one side of the lower die holder, the guide sleeves correspond to the guide pillars in position, and the forging forming device is in sliding connection with the guide sleeves and the guide pillars in the forging process so as to further ensure the stability during forging forming.
Preferably, the preforging punch and the finish forging punch are fixed to the bottom surface of the upper die holder by bolts through a preforging upper die positioning ring and a finish forging upper die positioning ring, respectively, and the blank-making upper die core is fixed to the bottom surface of the upper die holder by bolts.
Preferably, a pre-forging lower die pressing plate and a finish-forging lower die pressing plate are respectively fixed on one side of the top surface of the lower die base, which is located on the pre-forging lower die core and the finish-forging lower die core, arc-shaped pressing plates are respectively fixed on the other side of the top surface of the lower die base, which is located on the pre-forging lower die core and the finish-forging lower die core, and the pre-forging lower die core and the finish-forging lower die core are respectively fixed on the lower die base through the pre-forging lower die pressing plate, the finish-forging lower die pressing.
Preferably, the inside of the preforging lower die core and the inside of the finish forging lower die core are both in a step shape.
Preferably, the surfaces, far away from the pre-forging lower die core and the final forging lower die core, of the pre-forging lower die pressing plate and the final forging lower die pressing plate are provided with inclined surfaces matched with the lower die base, in the downward pressing process, the pre-forging lower die core and the final forging lower die core can be pushed and pressed at die installing positions on the left side of the lower die base, the pre-forging lower die core and the final forging lower die core are reliably positioned, and the pre-forging punch and the final forging punch are aligned with the pre-forging lower die core and the final forging lower die core.
Preferably, four holes are formed in the shoulder parts of the pre-forging lower die top core and the finish forging lower die top core, and oxide skin generated in the forging process can fall down through the holes.
Preferably, the front end of the finish forging punch is provided with a section of cylindrical structure, and the section of cylindrical structure firstly cuts off a connecting skin in the middle of the pre-forging piece in the forging process, so that the forging piece cannot form folding defects in the forging process.
Preferably, the press is any one of a hot die forging press, a screw press, a friction press and a hydraulic press.
The use method of the forging and forming device of the excavator flange is used for the forging and forming device of the excavator flange and comprises the following steps: placing a heated flange blank on a blank making lower die, starting a press machine to enable an upper bottom plate to move downwards, and fully punching the blank making cavity formed by a blank making upper die core and a blank making lower die by first striking to obtain a flange prefabricated blank; accurately positioning the pre-formed blank in the top core of the pre-forging lower die through the small concave semicircle in the middle, starting a press machine to enable the upper bottom plate to move downwards, and fully punching the cavity formed by the pre-forging lower die core, the pre-forging punch and the upper die plate by the pre-formed blank through second striking to obtain a pre-forged piece; starting a press machine to enable the upper bottom plate to move upwards, stopping the movement of the pull rod when the pre-forging punch moves upwards to a certain position, continuing the upward movement of the pre-forging punch, and realizing the demoulding of a pre-forging piece wrapped on the pre-forging punch under the action of an upper template; or starting a lower ejection cylinder, pushing a top plate to move upwards by the lower ejection cylinder through a top rod, pushing a pre-forging lower die ejecting core by the top plate to eject a pre-forging piece staying in a lower die cavity out of a pre-forging lower die core to realize demoulding; placing the pre-forging piece on the top core of the finish forging lower die core, starting a press machine to enable the upper bottom plate to move downwards, and fully punching a cavity defined by the finish forging lower die core, the finish forging punch and the upper die plate by the pre-forging piece through third striking to obtain a finish forging piece;
starting the press machine to enable the upper bottom plate to move upwards, stopping the movement of the pull rod when the finish forging punch moves upwards to a certain position, continuing the upward movement of the finish forging punch, and realizing the demoulding of a finish forging piece wrapped on the finish forging punch under the action of the upper template; or starting a lower ejection cylinder, pushing the top plate to move upwards by the lower ejection cylinder through the ejector rod, and pushing the finish forging lower die ejection core by the top plate to eject the finish forging staying in the lower cavity out of the finish forging lower die core to realize demoulding.
This practicality has following beneficial effect:
the forging forming device for the excavator flange greatly improves the production efficiency by conveniently forging the excavator flange, realizes one-time heating forging forming of the flange, and has the advantages of simple process, few forging defects, high yield, high production efficiency, few required equipment, low cost, suitability for mass production and the like; the utility model discloses a forging forming device of excavator flange can make the inside good stress strain state that forms of forging through once heating forging shaping, makes the fine and close mechanical properties of flange internal organization good, and the forging flange intensity that obtains is high, and toughness is good, fatigue life is long, and mechanical properties is superior to the casting flange, and can show the weight that reduces the flange, reduces energy resource consumption.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a front view of a forging apparatus for excavator flanges according to the present invention;
fig. 2 is a side sectional view of a forging apparatus for excavator flanges according to the present invention;
fig. 3 is a top view of the lower die holder of the forging device for excavator flanges.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a lower base plate; 2. a lower die holder; 3. a support bar; 4. mounting a template; 5. a guide post; 6. an upper die holder; 7. pre-forging the upper die positioning ring; 8. pre-forging a punch; 9. finish forging the upper die positioning ring; 10. finish forging the punch; 11. a pull rod; 12. finish forging the lower die top core; 13. a top rod; 14. a top plate; 15. pre-forging the lower die top core; 16. pre-forging; 17. a preform; 18. making a blank and arranging a mold core; 19. an upper base plate; 20. a guide sleeve; 21. an arc-shaped pressing plate; 22. finish forging the lower mold core; 23. finish forging the lower die pressing plate; 24. making a blank lower die; 25. pre-forging a lower die pressing plate; 26. pre-forging the lower mold core; 27. and (5) ejecting the cylinder downwards.
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. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without any creative effort belong to the protection scope of the present application.
The first embodiment is as follows:
please refer to fig. 1-3:
a forging forming device of excavator flange comprises a lower bottom plate 1 and an upper bottom plate 19, wherein the upper bottom plate 19 is driven by a press machine to move up and down;
here, the press machine may be any one of a hot die forging press, a screw press, a friction press, and a hydraulic press.
The top surface of the lower bottom plate 1 is provided with a lower die holder 2, and the bottom surface of the upper bottom plate 19 is provided with an upper die holder 6; a blank making upper die core 18 is fixedly assembled on one side of the bottom surface of the upper die holder 6, a blank making lower die 24 is fixedly assembled on one side of the top surface of the lower die holder 2, and the blank making upper die core 18 corresponds to the blank making lower die 24 in position; an upper template 4 is further assembled between the lower die holder 2 and the upper die holder 6, pull rods 11 are connected to two sides of the upper template 4 in a sliding mode, the pull rods 11 are fixedly connected with the bottom end of the upper die holder 6, supporting rods 3 are fixed to two ends of the bottom surface of the upper template 4, and the supporting rods 3 are connected with the lower die holder 2 in a sliding mode; a pre-forging punch 8 and a finish-forging punch 10 are further fixed on the bottom surface of the upper die holder 6, a pre-forging lower die core 26 and a finish-forging lower die core 22 are fixed on the top surface of the lower die holder 2, and the positions of the pre-forging punch 8, the pre-forging lower die core 26, the positions of the finish-forging punch 10 and the positions of the finish-forging lower die core 22 correspond to the positions of the pre-forging lower die core 26;
moreover, the front end of the finish forging punch 10 is provided with a section of cylindrical structure, and the section of cylindrical structure firstly cuts off the connecting skin in the middle of the pre-forging piece 16 in the forging process, so that the forging piece cannot form folding defects in the forging process.
The inside of the preforging lower core 26 and the finish forging lower core 22 are stepped.
Here, the preforging punch 8 and the finish forging punch 10 are fixed to the bottom surface of the upper die holder 6 by bolts through a preforging upper die positioning ring 7 and a finish forging upper die positioning ring 9, respectively, and the blank-making upper die core 18 is fixed to the bottom surface of the upper die holder 6 by bolts.
An ejector rod 13 is fixed inside the lower base plate 1, the bottom of the ejector rod 13 is fixedly connected with a stroke rod of a lower ejection cylinder 27, the lower ejection cylinder 27 is fixedly connected with the bottom surface of the lower base plate 1, a top plate 14 is fixed at the top end of the ejector rod 13, a pre-forging lower die jacking core 15 and a finish-forging lower die jacking core 12 are respectively fixedly connected with two ends of the top plate 14, and the pre-forging lower die jacking core 15 and the finish-forging lower die jacking core 12 are respectively positioned at the bottoms of a pre-forging lower die core 26 and a finish-forging lower die core 22.
Moreover, four holes are formed in the shoulders of the pre-forging lower die top core 15 and the finish forging lower die top core 12, and oxide skin generated in the forging process can fall through the holes.
The guide sleeve 20 is fixedly assembled at both ends of one side of the top surface of the lower die holder 2, the guide pillar 5 is fixedly assembled at both ends of one side of the lower die holder 2, the guide sleeve 20 corresponds to the position of the guide pillar 5, and then the forging forming device is in sliding connection with the guide sleeve 20 and the guide pillar 5 in the forging process, so that the stability of the forging forming device is further ensured.
A pre-forging lower die pressing plate 25 and a finish-forging lower die pressing plate 23 are respectively fixed on one side of the top surface of the lower die base 2, which is located on the pre-forging lower die core 26 and the finish-forging lower die core 22, an arc-shaped pressing plate 21 is fixed on the other side of the top surface of the lower die base 2, which is located on the pre-forging lower die core 26 and the finish-forging lower die core 22, and the pre-forging lower die core 26 and the finish-forging lower die core 22 are respectively fixed on the lower die base 2 through the pre-forging lower die pressing plate 25, the finish-forging lower.
The surfaces of the preforging lower die pressing plate 25 and the finish forging lower die pressing plate 23, which are far away from the preforging lower die core 26 and the finish forging lower die core 22, are provided with inclined surfaces matched with the lower die base 2, so that the preforging lower die core 26 and the finish forging lower die core 22 can be pushed to die-installing positions on the left side of the lower die base 2 in the downward pressing process, the preforging lower die core 26 and the finish forging lower die core 22 are reliably positioned, and the preforging punch 8 and the finish forging punch 10 are aligned with the preforging lower die core 26 and the finish forging lower die core 22.
Example two:
on the basis of the first embodiment, the use method of the device is disclosed, and the steps are as follows: placing the heated flange blank on a blank making lower die 24, starting a press machine to enable an upper bottom plate 19 to move downwards, and fully punching the blank making cavity formed by a blank making upper die core 18 and the blank making lower die 24 by first striking to obtain a flange prefabricated blank 17; secondly, accurately positioning the pre-formed blank 17 in the pre-forging lower die top core 15 through a small concave semicircle in the middle, starting a press machine to enable the upper bottom plate 19 to move downwards, and fully punching the pre-formed blank 17 into a cavity surrounded by the pre-forging lower die core 26, the pre-forging punch 8 and the upper die plate 4 through second striking to obtain a pre-forged piece 16; thirdly, starting the press machine to enable the upper bottom plate 19 to move upwards, stopping the movement of the pull rod 11 when the pre-forging punch 8 moves upwards to a certain position, continuing to move the pre-forging punch 8 upwards, and realizing the demoulding of the pre-forging piece 16 wrapped on the pre-forging punch 8 under the action of the upper template 4; or starting the lower ejection cylinder 27, wherein the lower ejection cylinder 27 pushes the top plate 14 to move upwards through the ejector rod 13, and the top plate 14 pushes the pre-forging lower die top core 15 to eject the pre-forging piece 16 staying in the lower die cavity out of the pre-forging lower die core 26 to realize demoulding; fourthly, placing the pre-forging piece 16 on the top core of the finish forging lower die core 22, starting a press machine to enable the upper bottom plate 19 to move downwards, and fully punching the cavity formed by the finish forging lower die core 22, the finish forging punch 10 and the upper die plate 4 by striking for the third time to obtain a finish forging piece by the pre-forging piece 16;
starting the press machine to enable the upper bottom plate 19 to move upwards, stopping the movement of the pull rod 11 when the finish forging punch 10 moves upwards to a certain position, continuing the upward movement of the finish forging punch 10, and realizing the demoulding of a finish forging piece wrapped on the finish forging punch 10 under the action of the upper template 4; or starting the lower ejection cylinder 27, wherein the lower ejection cylinder 27 pushes the top plate 14 to move upwards through the ejector rod 13, and the top plate 14 pushes the finish forging lower die top core 12 to eject the finish forging staying in the lower die cavity out of the finish forging lower die core 22 for demolding.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to aid in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the utility to the precise embodiments described. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The present application is limited only by the claims and their full scope and equivalents.

Claims (9)

1. The forging forming device for the excavator flange comprises a lower base plate (1) and an upper base plate (19), wherein the upper base plate (19) is driven by a press machine to move up and down, and is characterized in that: the top surface of the lower bottom plate (1) is provided with a lower die holder (2), and the bottom surface of the upper bottom plate (19) is provided with an upper die holder (6); a blank making upper mold core (18) is fixedly assembled on one side of the bottom surface of the upper mold base (6), a blank making lower mold (24) is fixedly assembled on one side of the top surface of the lower mold base (2), and the blank making upper mold core (18) corresponds to the blank making lower mold (24); an upper template (4) is further assembled between the lower die holder (2) and the upper die holder (6), pull rods (11) are connected to two sides of the upper template (4) in a sliding mode, the pull rods (11) are fixedly connected with the bottom end of the upper die holder (6), supporting rods (3) are fixed to two ends of the bottom surface of the upper template (4), and the supporting rods (3) are connected with the lower die holder (2) in a sliding mode; a pre-forging punch (8) and a finish-forging punch (10) are further fixed on the bottom surface of the upper die holder (6), a pre-forging lower die core (26) and a finish-forging lower die core (22) are fixed on the top surface of the lower die holder (2), and the positions of the pre-forging punch (8), the pre-forging lower die core (26), the positions of the finish-forging punch (10) and the positions of the finish-forging lower die core (22) correspond to each other respectively; an ejector rod (13) is fixed inside the lower base plate (1), the bottom of the ejector rod (13) is fixedly connected with a stroke rod of a lower ejection cylinder (27), the lower ejection cylinder (27) is fixedly connected with the bottom surface of the lower base plate (1), a top plate (14) is fixed at the top end of the ejector rod (13), two ends of the top plate (14) are fixedly connected with a pre-forging lower die ejection core (15) and a finish-forging lower die ejection core (12) respectively, and the pre-forging lower die ejection core (15) and the finish-forging lower die ejection core (12) are located at the bottoms of the pre-forging lower die core (26) and the finish-forging lower die core (22) respectively.
2. The forging and forming device of the excavator flange as claimed in claim 1, wherein both ends of one side of the top surface of the lower die holder (2) are fixedly provided with guide sleeves (20), both ends of one side of the lower die holder (2) are fixedly provided with guide pillars (5), and the guide sleeves (20) correspond to the guide pillars (5).
3. The forging forming device of the excavator flange as claimed in claim 1, wherein the pre-forging punch (8) and the finish-forging punch (10) are respectively fixed on the bottom surface of the upper die holder (6) through a pre-forging upper die positioning ring (7) and a finish-forging upper die positioning ring (9) by bolts, and the blank-making upper die core (18) is fixed on the bottom surface of the upper die holder (6) by bolts.
4. The forging forming device of the excavator flange as claimed in claim 1, wherein a pre-forging lower die pressing plate (25) and a finish-forging lower die pressing plate (23) are respectively fixed to one side of the top surface of the lower die base (2) and located on the pre-forging lower die core (26) and one side of the finish-forging lower die core (22), an arc-shaped pressing plate (21) is fixed to the other side of the top surface of the lower die base (2) and located on the pre-forging lower die core (26) and the other side of the finish-forging lower die core (22), and the pre-forging lower die core (26) and the finish-forging lower die core (22) are respectively fixed to the lower die base (2) through the pre-forging lower die pressing plate (25), the finish-forging lower die pressing plate (23) and the arc.
5. The forging and forming device of the excavator flange as claimed in claim 1, wherein the inside of the pre-forging lower die core (26) and the finish-forging lower die core (22) are both in a step shape.
6. The forging and forming device of the excavator flange as claimed in claim 4, wherein an inclined surface matched with the lower die holder (2) is arranged on one side surface of each of the pre-forging lower die pressing plate (25) and the finish-forging lower die pressing plate (23) far away from the pre-forging lower die core (26) and the finish-forging lower die core (22).
7. The forging and forming device of the excavator flange as claimed in claim 1, wherein four holes are formed in the shoulders of the pre-forging lower die top core (15) and the finish-forging lower die top core (12).
8. The forging and forming device of the excavator flange as claimed in claim 1, wherein the front end of the finish forging punch (10) has a cylindrical structure.
9. The forging and forming device of the excavator flange as claimed in claim 1, wherein the press is any one of a hot die forging press, a screw press, a friction press and a hydraulic press.
CN202021440183.6U 2020-07-21 2020-07-21 Forging forming device for excavator flange Expired - Fee Related CN212371084U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021440183.6U CN212371084U (en) 2020-07-21 2020-07-21 Forging forming device for excavator flange

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021440183.6U CN212371084U (en) 2020-07-21 2020-07-21 Forging forming device for excavator flange

Publications (1)

Publication Number Publication Date
CN212371084U true CN212371084U (en) 2021-01-19

Family

ID=74172657

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021440183.6U Expired - Fee Related CN212371084U (en) 2020-07-21 2020-07-21 Forging forming device for excavator flange

Country Status (1)

Country Link
CN (1) CN212371084U (en)

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Granted publication date: 20210119

Termination date: 20210721