CN113477863A

CN113477863A - Gear composite forging forming equipment

Info

Publication number: CN113477863A
Application number: CN202110913226.0A
Authority: CN
Inventors: 黄廷波; 左玉成; 蒯志刚; 张思彬; 王勇; 周智慧; 李旭东; 姜荣兵
Original assignee: Jiangsu Airship Gear Corp
Current assignee: Jiangsu Airship Gear Corp
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2021-10-08
Anticipated expiration: 2041-08-10
Also published as: CN113477863B

Abstract

The invention discloses a gear composite forging forming device, which relates to the technical field of gear manufacturing equipment.

Description

Gear composite forging forming equipment

Technical Field

The invention relates to the technical field of gear manufacturing equipment, in particular to gear composite forging forming equipment.

Background

The gear, one of the most basic parts for transmitting motion and power, is widely applied in the industrial field due to the advantages of high meshing efficiency, low noise, large transmission load and the like. The composite forging of the gear is to place a blank for manufacturing the gear in an extrusion forming mold shell, then perform upsetting treatment and then perform punch forming treatment to obtain the gear.

At present, the gear composite forging equipment is simply provided with two sets of mould shells for upsetting and punch forming treatment, the forging equipment needs workers to place a half-finished product after upsetting into a stamping die in the use process, and the forging method for transferring the half-finished product has low working efficiency.

Disclosure of Invention

In view of the above, the present invention provides a gear composite forging apparatus for solving the above-mentioned problems, such as the prior art, in which the gear composite forging apparatus is simply provided with two sets of mold shells for upsetting and stamping forming, and the forging apparatus requires a worker to place a half-finished product after upsetting into a stamping mold during use, and the forging method for transferring the half-finished product has low work efficiency.

In order to achieve the purpose, the invention adopts the following technical scheme:

a gear composite forging forming device comprises a fixed base, wherein an offset composite forging driving assembly is fixedly installed above the fixed base; the top of the offset type composite forging driving assembly is movably connected with a forging sliding table, and a lower stamping die and a blank placing groove are arranged above the forging sliding table; two sides of the forging sliding table are connected to the side supporting frames in a sliding manner; four sliding columns are arranged above the two side supporting frames; the four sliding columns are connected with a stamping plate in a sliding mode, and springs are arranged below the stamping plate; the four springs are respectively sleeved on the four sliding columns; the top of the sliding column is also fixedly provided with a top plate, the middle position above the top plate is fixedly provided with a stamping cylinder, and a push rod of the stamping cylinder penetrates below the top plate and is fixedly connected with the stamping plate; the bottom of the stamping plate is provided with a upsetting die head and a forging forming die head;

the offset type composite forging driving assembly comprises a first deflection assembly and a second deflection assembly; the first deflection assembly and the second deflection assembly are movably connected to the fixed seat through a rotating shaft; the upper parts of the first deflection assembly and the second deflection assembly are connected through a deflection linkage piece; one sides of the first deflection assembly and the second deflection assembly, which are far away from the deflection linkage piece, are provided with sliding grooves; a poke rod is inserted in the sliding groove; the two poke rods are welded with the driving rod in an F shape; the driving rod is connected in the sliding fixed shell in a sliding mode.

Furthermore, two stepped sliding grooves are formed in two sides of the forging sliding table; the inner sides of the tops of the two side support frames are provided with three step-shaped bulges, two sliding chutes on the forging sliding table are in sliding connection with two lower parts of the three step-shaped bulges of the side support frames, and the inner sides of the bulges above the three step-shaped bulges of the side support frames are provided with sliding outer frames; the sliding outer frame is sleeved outside the forging sliding table.

Further, the sliding distance of the forging sliding table in the sliding outer frame is consistent with the center distance of the upsetting die head and the forging forming die head.

Furthermore, the bottoms of the two side supporting frames are provided with fixed grooves, and fixed connecting beams are fixedly connected in the grooves; and the two fixed connecting beams are fixedly arranged on the fixed base.

Furthermore, a C-shaped shell is arranged above the fixed shell, the inner diameter of the fixed shell is consistent with the outer diameter of the driving rod, and a support arranged in a 'seam' shape is integrally arranged below the C-shaped shell; the fixed shell is fixedly arranged on the fixed seat.

Further, first subassembly and the second subassembly that deflects all set up to "L" form, and seted up the arc draw-in groove in the bottom of first subassembly and the second subassembly minor face that deflects to and the tip of first subassembly and the second subassembly minor face that deflects sets up to the arc form that can with arc draw-in groove matched with.

Furthermore, the upper ends of the first deflection assembly and the second deflection assembly, which are provided with the sliding grooves, are connected with a connecting rod through a rotating shaft; the upper end of the connecting rod extends into a groove formed in the bottom of the forging sliding table and is connected through a rotating shaft.

Furthermore, the deflection linkage piece comprises a metal outer cylinder, one end of the metal outer cylinder is closed, the other end of the metal outer cylinder is provided with an opening through which the T-shaped rod can conveniently penetrate, an extension spring and the T-shaped rod are arranged inside the metal outer cylinder, and the T-shaped rod penetrates through the extension spring.

Furthermore, the closed end of the metal outer barrel is clamped with the T-shaped protruding shaft through a connecting hook head; one end of the T-shaped rod penetrating to the outside of the metal outer barrel is clamped with the T-shaped protruding shaft through a connecting hook head; and the two T-shaped protruding shafts are respectively fixed on one sides of the first deflection assembly and the second deflection assembly, which are far away from the connecting rod.

Further, when the storage device is used, a large number of blank pieces can be placed in the blank piece placing grooves to be stored, so that workers can conveniently take and place during machining, and the working efficiency is greatly improved.

Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:

1. when the stamping die is used, a blank is placed in the stamping lower die, the stamping cylinder drives the upsetting die head to move downwards through the stamping plate and carries out upsetting treatment on the blank, after the upsetting is finished, the driving rod is pushed inwards by hands, the offset type composite forging driving assembly drives the forging sliding table to slide along the side support frame in the sliding outer frame, so that the stamping lower die moves to be right below the forging forming die head, the stamping cylinder acts again at the moment, and the stamping plate drives the forging forming die head to carry out stamping forming treatment on a semi-finished product after upsetting, the working mode realizes the composite forging forming of the gear, a workpiece does not need to be taken out during the forging, the operation is very convenient, and the working efficiency is greatly improved;

2. according to the invention, when the driving rod is pushed, the driving rod moves along the sliding fixed shell, the poke rod moves in the chute and forces the first deflection assembly and the second deflection assembly to overturn, and the forging sliding table moves under the driving of the connecting rod, so that the lower stamping die is switched between the upsetting die head and the forging forming die head;

3. according to the invention, when the first deflection assembly and the second deflection assembly deflect, the first deflection assembly firstly pulls the metal outer cylinder to deflect through the connecting hook head, and then pulls the second deflection assembly to deflect through the connecting hook head under the matching of the extension spring and the T-shaped rod, so that the situation that the first deflection assembly and the second deflection assembly are blocked and cannot be overturned due to the simultaneous action of the first deflection assembly and the second deflection assembly can be avoided, the deflection is realized through the action form that the first deflection assembly and the second deflection assembly are arranged in tandem, and the flexibility of the equipment is effectively increased;

4. according to the invention, the sliding distance of the forging sliding table in the sliding outer frame is consistent with the center distance of the upsetting die head and the forging forming die head, so that the lower stamping die can be ensured to accurately move from the lower part of the upsetting die head to the lower part of the forging forming die head;

5. according to the forging device, the first deflection assembly and the second deflection assembly are both arranged in an L shape, the bottoms of the short sides of the first deflection assembly and the second deflection assembly are provided with arc-shaped clamping grooves, the end parts of the short sides of the first deflection assembly and the second deflection assembly are arranged in arc shapes matched with the arc-shaped clamping grooves, the first deflection assembly and the second deflection assembly are clamped mutually after deflection, under the condition that no external force is applied, the first deflection assembly and the second deflection assembly cannot deflect, and displacement cannot occur during forging.

To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic perspective view of a composite gear forging apparatus according to the present invention;

FIG. 2 is a schematic plan view of the gear compound forging forming apparatus of the present invention;

FIG. 3 is a schematic half-sectional view of the gear compound forging apparatus of the present invention;

FIG. 4 is a bottom plan view of FIG. 3 of the gear compound forging forming apparatus of the present invention;

FIG. 5 is a schematic structural diagram of an offset compound forging drive assembly of the gear compound forging forming apparatus of the present invention;

FIG. 6 is a bottom plan view of FIG. 5 of the gear compound forging forming apparatus of the present invention;

FIG. 7 is a rear elevational view of FIG. 5 of the gear compound forging forming apparatus of the present invention;

FIG. 8 is an enlarged schematic view of the gear composite forging forming apparatus of FIG. 6 according to the present invention at A.

The reference numbers are as follows:

1. a fixed base; 2. an offset compound forging drive assembly; 21. a first deflection assembly; 22. a second deflection assembly; 23. a fixed seat; 24. a rotating shaft; 25. a T-shaped protruding shaft; 26. a deflection linkage; 261. a metal outer cylinder; 262. an extension spring; 263. a T-shaped rod; 264. connecting the hook heads; 27. a connecting rod; 28. sliding the fixed housing; 29. a drive rod; 210. a poke rod; 211. a chute; 3. forging a sliding table; 4. stamping a lower die; 5. a blank placing groove; 6. upsetting a die head; 7. forging a forming die head; 8. stamping the plate; 9. a traveler; 10. a spring; 11. a top plate; 12. punching a cylinder; 13. a side support frame; 14. fixing the connecting beam; 15. and (5) sliding the outer frame.

Detailed Description

Referring to fig. 1 to 8, which show the specific structure of the preferred embodiment of the present invention, a gear composite forging forming apparatus includes a fixed base 1, an offset composite forging driving assembly 2 is fixedly installed above the fixed base 1; the top of the offset type composite forging driving assembly 2 is movably connected with a forging sliding table 3, and a lower stamping die 4 and a blank placing groove 5 are arranged above the forging sliding table 3; two sides of the forging sliding table 3 are connected to the side supporting frames 13 in a sliding manner; four sliding columns 9 are arranged above the two side supporting frames 13; the four sliding columns 9 are connected with a stamping plate 8 in a sliding manner, and springs 10 are arranged below the stamping plate 8; four springs 10 are arranged and are respectively sleeved on the four sliding columns 9; a top plate 11 is fixedly arranged at the top of the sliding column 9, a stamping cylinder 12 is fixedly arranged in the middle position above the top plate 11, and a push rod of the stamping cylinder 12 penetrates below the top plate 11 and is fixedly connected with the stamping plate 8; the bottom of the stamping plate 8 is provided with a heading die head 6 and a forging forming die head 7;

the offset type composite forging driving assembly 2 comprises a first deflection assembly 21 and a second deflection assembly 22; the first deflection assembly 21 and the second deflection assembly 22 are movably connected to a fixed seat 23 through a rotating shaft 24; the first deflection assembly 21 and the second deflection assembly 22 are connected through a deflection linkage 26; one sides of the first deflection assembly 21 and the second deflection assembly 22 departing from the deflection linkage 26 are provided with sliding grooves 211; a poke rod 210 is inserted into the sliding groove 211; the two poke rods 210 are welded with the driving rod 29 in an F shape; the driving rod 29 is slidably connected in the slide-fixing housing 28.

In this embodiment, two stepped chutes are arranged on two sides of the forging sliding table 3; three step-shaped bulges are arranged on the inner sides of the tops of the two side support frames 13, two sliding chutes on the forging sliding table 3 are in sliding connection with two lower parts of the three step-shaped bulges of the side support frames 13, and a sliding outer frame 15 is arranged on the inner side of the bulge above the three step-shaped bulges of the side support frames 13; the sliding outer frame 15 is sleeved outside the forging sliding table 3.

Specifically, the forging sliding table 3 can slide smoothly along the side support frame 13, and the sliding outer frame 15 can limit the sliding position of the forging sliding table 3.

In this embodiment, the sliding distance of the forging sliding table 3 in the sliding outer frame 15 is the same as the center distance between the upsetting die 6 and the forging forming die 7.

Particularly, the lower stamping die 4 can be accurately moved to the position below the forging forming die head 7 from the position below the upsetting die head 6.

In the embodiment, the bottoms of the two side supporting frames 13 are provided with fixed grooves, and fixed connecting beams 14 are fixedly connected in the grooves; the two fixed connecting beams 14 are fixedly arranged on the fixed base 1.

More specifically, through the arrangement of the structure, the installation of the offset type composite forging driving assembly 2 is facilitated, and later-stage overhaul and maintenance are facilitated.

In this embodiment, a C-shaped housing is arranged above the fixed housing 28, the inner diameter of the fixed housing 28 is the same as the outer diameter of the driving rod 29, and a support arranged in a "seam" shape is integrally arranged below the C-shaped housing; the fixed shell 28 is fixedly mounted on the fixed seat 23.

The driving rod 29 is simple in structure and convenient to clamp, and meanwhile, a bearing force is provided for the driving rod 29, and the driving rod 29 can be guaranteed to move stably.

In this embodiment, the first deflecting assembly 21 and the second deflecting assembly 22 are both set to be "L" shaped, and the bottom of the short side of the first deflecting assembly 21 and the bottom of the short side of the second deflecting assembly 22 are provided with an arc-shaped slot, and the end portions of the short sides of the first deflecting assembly 21 and the second deflecting assembly 22 are set to be arc-shaped which can be matched with the arc-shaped slot.

Specifically, after deflection, the first deflection assembly 21 and the second deflection assembly 22 are clamped with each other, and under the condition that no external force is applied, the first deflection assembly 21 and the second deflection assembly 22 cannot deflect, so that displacement cannot occur during forging.

In this embodiment, the upper ends of the first deflecting assembly 21 and the second deflecting assembly 22, which are provided with the sliding groove 211, are connected with a connecting rod 27 through a rotating shaft; the upper end of the connecting rod 27 extends into a groove formed at the bottom of the forging sliding table 3 and is connected through a rotating shaft.

Specifically, the forging sliding table 3 can be moved by the connecting rod 27 while the first deflecting assembly 21 and the second deflecting assembly 22 deflect.

In this embodiment, the deflecting linkage 26 includes a metal outer cylinder 261, one end of the metal outer cylinder 261 is closed, the other end is provided with an opening for passing the T-shaped rod 263, an extension spring 262 and a T-shaped rod 263 are arranged inside the metal outer cylinder 261, wherein the T-shaped rod 263 passes through the extension spring 262; the closed end of the metal outer cylinder 261 is clamped with the T-shaped protruding shaft 25 through a connecting hook head 264; the T-shaped rod 263 penetrates through one end of the metal outer cylinder 261, and is clamped with the T-shaped protruding shaft 25 through a connecting hook head 264; two of the T-shaped protruding shafts 25 are fixed on the sides of the first deflecting unit 21 and the second deflecting unit 22 facing away from the connecting rod 27.

Specifically, when the first deflecting assembly 21 and the second deflecting assembly 22 deflect, the first deflecting assembly 21 firstly pulls the metal outer cylinder 261 to deflect through the connecting hook head 264, and then pulls the second deflecting assembly 22 to deflect through the connecting hook head 264 under the matching of the extension spring 262 and the T-shaped rod 263, so that the situation that the first deflecting assembly 21 and the second deflecting assembly 22 are blocked and cannot be overturned due to the simultaneous action of the first deflecting assembly 21 and the second deflecting assembly 22 can be avoided, the deflection is realized through the action mode that the first deflecting assembly 21 and the second deflecting assembly 22 are arranged in tandem, and the flexibility of the device is effectively increased.

The working principle of the invention is as follows: when in use, firstly, a blank is placed in the lower stamping die 4, the stamping air cylinder 12 drives the upsetting die head 6 to move downwards through the stamping plate 8, and carries out upsetting treatment on the blank, after the upsetting is finished, the driving rod 29 is pushed inwards by hands, when the driving rod 29 is pushed, the driving rod 29 moves along the sliding fixed shell 28, the poke rod 210 moves in the sliding groove 211 and forces the first deflection component 21 and the second deflection component 22 to turn over, when the first deflection component 21 and the second deflection component 22 deflect, the first deflection component 21 pulls the metal outer cylinder 261 to deflect through the connecting hook head 264, then under the matching of the extension spring 262 and the T-shaped rod 263, the second deflection component 22 is pulled to deflect through the connecting hook head 264, and the situation that the first deflection component 21 and the second deflection component 22 are blocked and can not turn over due to the simultaneous action can be avoided, deflection is realized through the action form of tandem of the first deflection assembly 21 and the second deflection assembly 22, the forging sliding table 3 is driven by the connecting rod 27 to move, the forging sliding table 3 slides along the side supporting frame 13 in the sliding outer frame 15, the punching lower die 4 is moved to the position right below the forging forming die head 7, at the moment, the punching cylinder 12 acts again, and the punching plate 8 drives the forging forming die head 7 to perform punch forming treatment on a semi-finished product after upsetting, the working mode realizes composite forging forming of the gear, a workpiece does not need to be taken out during forging, the operation is very convenient, and the working efficiency is greatly improved;

in the invention, the first deflection assembly 21 and the second deflection assembly 22 are both arranged in an L shape, the bottoms of the short sides of the first deflection assembly 21 and the second deflection assembly 22 are provided with arc-shaped clamping grooves, the end parts of the short sides of the first deflection assembly 21 and the second deflection assembly 22 are arranged in arc shapes matched with the arc-shaped clamping grooves, and after deflection, the first deflection assembly 21 and the second deflection assembly 22 are clamped with each other.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiment according to the technical spirit of the present invention are within the technical scope of the present invention.

Claims

1. The utility model provides a gear compound forging former which characterized in that: the device comprises a fixed base (1), wherein an offset type composite forging driving assembly (2) is fixedly arranged above the fixed base (1); the top of the offset type composite forging driving assembly (2) is movably connected with a forging sliding table (3), and a stamping lower die (4) and a blank placing groove (5) are arranged above the forging sliding table (3); two sides of the forging sliding table (3) are connected to the side supporting frames (13) in a sliding manner; four sliding columns (9) are arranged above the two side supporting frames (13); the four sliding columns (9) are connected with a stamping plate (8) in a sliding manner, and a spring (10) is arranged below the stamping plate (8); the four springs (10) are respectively sleeved on the four sliding columns (9); a top plate (11) is fixedly mounted at the top of the sliding column (9), a stamping cylinder (12) is fixedly mounted at the middle position above the top plate (11), and a push rod of the stamping cylinder (12) penetrates through the lower part of the top plate (11) and is fixedly connected with the stamping plate (8); the bottom of the stamping plate (8) is provided with a upsetting die head (6) and a forging forming die head (7);

the offset type composite forging driving assembly (2) comprises a first deflection assembly (21) and a second deflection assembly (22); the first deflection assembly (21) and the second deflection assembly (22) are movably connected to the fixed seat (23) through a rotating shaft (24); the first deflection assembly (21) and the second deflection assembly (22) are connected through a deflection linkage (26); one sides of the first deflection assembly (21) and the second deflection assembly (22) departing from the deflection linkage piece (26) are provided with sliding grooves (211); a poke rod (210) is inserted in the sliding groove (211); the two poke rods (210) are welded with the driving rod (29) in an F shape; the driving rod (29) is connected in the sliding fixed shell (28) in a sliding mode.

2. The gear composite forging forming apparatus of claim 1, wherein: two stepped sliding grooves are formed in two sides of the forging sliding table (3); three step-shaped bulges are arranged on the inner sides of the tops of the two side support frames (13), two sliding chutes on the forging sliding table (3) are in sliding connection with two lower parts of the three step-shaped bulges of the side support frames (13), and a sliding outer frame (15) is arranged on the inner side of the bulge above the three step-shaped bulges of the side support frames (13); the sliding outer frame (15) is sleeved outside the forging sliding table (3).

3. The gear composite forging forming apparatus of claim 3, wherein: the sliding distance of the forging sliding table (3) in the sliding outer frame (15) is consistent with the center distance of the upsetting die head (6) and the forging forming die head (7).

4. The gear composite forging forming apparatus of claim 2, wherein: the bottoms of the two side supporting frames (13) are provided with fixed grooves, and fixed connecting beams (14) are fixedly connected in the grooves; the two fixed connecting beams (14) are fixedly arranged on the fixed base (1).

5. The gear composite forging forming apparatus of claim 1, wherein: a C-shaped shell is arranged above the fixed shell (28), the inner diameter of the fixed shell (28) is consistent with the outer diameter of the driving rod (29), and a support arranged in a 'seam' shape is integrally arranged below the C-shaped shell; the fixed shell (28) is fixedly arranged on the fixed seat (23).

6. The gear composite forging forming apparatus of claim 1, wherein: first subassembly (21) and the second subassembly (22) that deflect all set up to "L" form, and seted up the arc draw-in groove in the bottom of first subassembly (21) and the second subassembly (22) short side that deflects to and the tip of first subassembly (21) and the second subassembly (22) short side that deflects sets up to the arc form that can with arc draw-in groove matched with.

7. The gear composite forging forming apparatus of claim 1, wherein: the upper ends of the first deflection assembly (21) and the second deflection assembly (22) at one side provided with the sliding groove (211) are connected with a connecting rod (27) through a rotating shaft; the upper end of the connecting rod (27) extends into a groove formed in the bottom of the forging sliding table (3) and is connected through a rotating shaft.

8. The gear composite forging forming apparatus of claim 1, wherein: the deflection linkage piece (26) comprises a metal outer cylinder (261), one end of the metal outer cylinder (261) is closed, the other end of the metal outer cylinder is provided with an opening through which a T-shaped rod (263) can conveniently penetrate, an extension spring (262) and the T-shaped rod (263) are arranged inside the metal outer cylinder (261), and the T-shaped rod (263) penetrates through the extension spring (262).

9. The gear composite forging forming apparatus of claim 8, wherein: the closed end of the metal outer cylinder (261) is clamped with the T-shaped protruding shaft (25) through a connecting hook head (264); one end of the T-shaped rod (263) penetrating to the outside of the metal outer cylinder (261) is clamped with the T-shaped protruding shaft (25) through a connecting hook head (264); the two T-shaped protruding shafts (25) are respectively fixed on one sides of the first deflection assembly (21) and the second deflection assembly (22) which are far away from the connecting rod (27).