CN113399581B - Cold extrusion molding device for gear manufacturing - Google Patents
Cold extrusion molding device for gear manufacturing Download PDFInfo
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- CN113399581B CN113399581B CN202110895513.3A CN202110895513A CN113399581B CN 113399581 B CN113399581 B CN 113399581B CN 202110895513 A CN202110895513 A CN 202110895513A CN 113399581 B CN113399581 B CN 113399581B
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- sliding
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- shell
- extrusion forming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/14—Particular arrangements for handling and holding in place complete dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/027—Combined feeding and ejecting devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/05—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work specially adapted for multi-stage presses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/26—Making other particular articles wheels or the like
- B21D53/28—Making other particular articles wheels or the like gear wheels
Abstract
The invention discloses a cold extrusion molding device for gear manufacturing, which relates to the technical field of gear manufacturing equipment, and when in use, firstly, a blank for manufacturing a gear is placed into a first extrusion molding mould shell, a stamping cylinder drives a sliding plate to move downwards, an ejector rod enters a hook head piece sliding groove, a hook head-shaped downward moving piece overcomes the elasticity of a spring to move downwards and drives an inward moving type sliding frame to move inwards, a top plate is jacked upwards under the matching of the inward moving type sliding frame and a middle jacking piece, and meanwhile, an extrusion die head performs stamping and preforming on a gear blank part; after the preforming finishes, the gear preforming piece falls on the roof, treat that the ejector pin shifts up after breaking away from the shell body, will the gib head form jack-up that moves down under the elasticity of spring, the formula of moving in resets under the action of gravity of roof and gear, the displacement cylinder drives the inside promotion of push rod through the connecting plate this moment, with the below of preforming gear propelling movement to second extrusion mould shell, saved the manual work and got the loaded down with trivial details that a put, very big improvement work efficiency.
Description
Technical Field
The invention relates to the technical field of gear manufacturing equipment, in particular to a cold extrusion molding device for gear manufacturing.
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. At present, a plurality of gears are still produced by machining methods such as gear shaping, broaching and the like, the defects of low material utilization rate, low production efficiency, poor mechanical property and the like exist, the cold extrusion forming process can save materials, improve the production efficiency and reduce the production cost, and the product after extrusion has high comprehensive quality.
Current gear cold extrusion equipment needs two sets of moulds when carrying out the extrusion to the gear, and first set is the preforming extrusion, and another set is the shaping extrusion, but the gear need the manual work to take out after the preforming extrusion finishes, and the extrusion is put into second forming die again, and this kind of work efficiency is low, and the tooth of preforming gear is less in addition, and easy skew when placing in second forming die, this line that discordance appears just leading to the gear after the shaping extrusion, lead to the gear defect to appear.
Disclosure of Invention
In view of the above, the present invention provides a cold extrusion molding device for manufacturing a gear, which aims to solve the problems mentioned in the above background that when the existing gear cold extrusion device performs extrusion molding on a gear, two sets of dies are required, the first set is performing extrusion, the other set is molding extrusion, but the gear needs to be manually taken out after performing extrusion and then put into the second molding die for extrusion, which has low working efficiency, and the teeth of the performing gear are small and are easy to deflect when being placed in the second molding die, which causes the gear to have inconsistent lines after molding extrusion, resulting in gear defects.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cold extrusion molding device for manufacturing gears comprises a stamping device shell, wherein a linkage type shifting module is arranged in the stamping device shell, and guide posts are fixedly arranged at four corners of the top of the linkage type shifting module; top plates are fixedly arranged at the tops of the four guide columns; a stamping cylinder is fixedly arranged in the middle of the top plate; the cylinder rod of the stamping cylinder penetrates below the top plate and is connected with a sliding plate; through holes which can be sleeved on the guide posts to slide are formed on the periphery of the sliding plate;
the top of the linkage type movable mould is provided with a first extrusion forming mould shell and a second extrusion forming mould shell for cold extrusion forming of the gear, and open grooves are formed in the outer sides of the first extrusion forming mould shell and the second extrusion forming mould shell;
the bottom of the sliding plate is provided with two extrusion die heads for cold extrusion of the gear, and the two extrusion die heads are respectively positioned right above the first extrusion forming die shell and the second extrusion forming die shell; and an ejector rod is arranged at the outer side of the extrusion die head; the two ejector rods are respectively arranged above the two open grooves;
the linkage type moving module comprises an outer shell, and hook-head-shaped downward moving pieces are arranged at two ends of the inner part of the outer shell; a spring is arranged right below the two hook-head-shaped downward moving pieces; and the inner sides of the two hook-shaped downward moving pieces are connected with an inward moving type sliding frame in a sliding way; a middle jacking piece is arranged between the two inward-moving sliding frames; a top plate is arranged above the middle jacking piece; the top plate is positioned below the first extrusion forming formwork and the second extrusion forming formwork.
Furthermore, a through groove is formed in one side of the outer shell; the through groove also penetrates through the hook-shaped downward moving piece, and a pushing rod is arranged in the through groove; one end of the pushing rod is connected with the displacement cylinder through a connecting plate; the displacement cylinder is fixed outside the outer shell.
Furthermore, side mounting frames which are convenient to be clamped with the stamping equipment shell are fixedly mounted at the upper ends of the two sides of the linkage type moving die; and bottom supporting frames are fixed on two sides of the bottom of the linkage type mold moving piece.
Furthermore, two inclined planes are arranged on two sides of the upper end of the inward-moving type sliding frame, one inclined plane is attached and connected with the hook-shaped downward-moving piece, and the other inclined plane is attached and connected with the top plate.
Further, the outer shell comprises a mounting shell; the top of the installation shell is provided with two formwork installation grooves which are convenient for the first extrusion forming formwork and the second extrusion forming formwork to be embedded in, and two longitudinal sliding grooves which are convenient for the top plate to slide are arranged below the first extrusion forming formwork and the second extrusion forming formwork; a middle sliding groove is arranged between the two longitudinal sliding grooves; a hook piece sliding groove which is convenient for the hook-shaped downward moving piece to slide is arranged right below the open slot; the lower position of the mounting shell is transversely provided with a transverse sliding chute which is convenient for the inward-moving sliding frame to move.
Furthermore, the both sides of roof be equipped with four sliders, and four sliders peg graft and sliding connection in vertical spout, and be equipped with the inclined plane with interior formula carriage matched with at the both ends of roof.
Furthermore, the middle jacking part comprises two driving arms, one ends of the two driving arms are movably connected with the inner sides of the two inward-moving sliding frames through rotating shafts, and the other ends of the two driving arms are hinged with connecting rods; and a top supporting plate for supporting the top plate is arranged above the connecting rod.
Furthermore, the inner side of the top supporting plate is integrally provided with a convex sliding block and is arranged in the middle sliding groove to be in sliding connection.
Further, when the ejector rod completely passes through the open slot and enters the hook head piece sliding slot, the top plate is tightly propped against the bottoms of the first extrusion forming formwork and the second extrusion forming formwork.
Furthermore, one end of the pushing rod, which is far away from the connecting plate, is also provided with a C-shaped frame which is convenient for the gear to move.
Compared with the prior art, the invention has obvious advantages and beneficial effects, and specifically, the technical scheme includes that:
1. in the invention, during pre-stamping forming, firstly, a blank for manufacturing the gear is placed into a first extrusion forming die shell, then a stamping cylinder drives a sliding plate to move downwards, a top rod firstly passes through an open slot and enters a hook piece sliding slot, a hook head-shaped downward moving piece is forced to overcome the elasticity of a spring to move downwards and drive an inward moving type sliding frame to move inwards, a top plate is upwards jacked up under the matching of the inward moving type sliding frame and a middle jacking piece and is tightly jacked at the bottoms of the first extrusion forming die shell and a second extrusion forming die shell, and meanwhile, a stamping preforming is carried out on the gear blank by an extrusion die head;
2. according to the invention, after preforming is finished, the gear preformed piece falls on the top plate, after the ejector rod moves upwards to be separated from the outer shell, the hook-head-shaped downward moving piece is jacked up under the elasticity of the spring, the inward moving type sliding frame resets under the gravity action of the top plate and the gear, at the moment, the displacement cylinder drives the pushing rod to push inwards through the connecting plate, the preformed gear is pushed to the position below the formwork formed by secondary extrusion, the complexity of manually taking and placing the gear is saved, and the working efficiency is greatly improved;
3. according to the invention, one end of the push rod, which is far away from the connecting plate, is also provided with the C-shaped frame which is convenient for pushing the gear, and the preformed gear is pushed by the C-shaped frame, so that the problems of inconsistent lines and defects of the gear after forming extrusion due to the fact that preformed gear teeth are not attached to the tooth grooves of the second extrusion forming formwork caused by deflection of the gear are prevented;
4. according to the invention, when the two movable sliding frames move inwards, the two driving arms arch upwards and drive the top supporting plate to support the top plate upwards through the connecting rod, so that a supporting force can be provided for the top plate when the gear is stamped;
5. according to the invention, two inclined planes are arranged on two sides of the upper end of the inward moving type sliding frame, one inclined plane is attached and connected with the hook head shaped downward moving piece, and the other inclined plane is attached and connected with the top plate, so that the hook head shaped downward moving piece can be driven by the inclined plane on the side surface of the hook head shaped downward moving piece to move inwards under the downward pressing of the ejector rod.
In order to more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Drawings
FIG. 1 is a schematic perspective view of a gear manufacturing cold extrusion molding apparatus according to the present invention;
FIG. 2 is a schematic plan view of the gear manufacturing cold extrusion molding apparatus of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2 in use inbase:Sub>A gear manufacturing cold extrusion apparatus of the present invention;
FIG. 4 is a schematic view of a portion of the cold extrusion apparatus for gear manufacturing according to the present invention;
FIG. 5 is a sectional view of the structure of a linkage type mold moving part in the gear manufacturing cold extrusion molding device of the invention;
FIG. 6 is a half bottom view of the linkage type mold moving part used in the gear manufacturing cold extrusion molding device of the present invention;
FIG. 7 is a schematic plane structure diagram of a linkage type mold moving part in the gear manufacturing cold extrusion molding device.
The reference numbers are as follows:
1. a stamping device housing; 2. a guide post; 3. a top plate; 4. punching a cylinder; 5. a sliding plate; 6. a side mounting bracket; 7. a linkage type mold moving part; 71. an outer housing; 711. mounting a shell; 712. a formwork mounting groove; 713. a longitudinal chute; 714. a middle chute; 715. a hook piece chute; 716. a transverse chute; 72. a hook-head-shaped downward moving piece; 73. a through groove; 74. an inward-moving sliding frame; 75. a spring; 76. an intermediate jacking member; 761. a drive arm; 762. a connecting rod; 763. a top pallet; 77. a top plate; 8. a bottom support frame; 9. a displacement cylinder; 10. a connecting plate; 11. a push rod; 12. an extrusion die head; 13. a top rod; 14. carrying out primary extrusion forming on a formwork; 15. extruding and forming the formwork for the second time; 16. an open slot.
Detailed Description
Referring to fig. 1 to 7, which show specific structures of preferred embodiments of the present invention, a cold extrusion molding apparatus for gear manufacturing includes a stamping device housing 1, a linkage type moving module 7 is disposed inside the stamping device housing 1, and guide posts 2 are fixedly mounted at four corners of the top of the linkage type moving module 7; the top parts of the four guide posts 2 are fixedly provided with top plates 3; a stamping cylinder 4 is fixedly arranged in the middle of the top plate 3; the cylinder rod of the stamping cylinder 4 penetrates below the top plate 3 and is connected with a sliding plate 5; through holes which can be sleeved on the guide posts 2 to slide are formed in the periphery of the sliding plate 5;
the top of the linkage type movable mould part 7 is provided with a first extrusion forming mould shell 14 and a second extrusion forming mould shell 15 for cold extrusion forming of the gear, and open grooves 16 are formed in the outer sides of the first extrusion forming mould shell 14 and the second extrusion forming mould shell 15;
the bottom of the sliding plate 5 is provided with two extrusion die heads 12 for cold extrusion of the gear, and the two extrusion die heads 12 are respectively positioned right above a first extrusion forming die shell 14 and a second extrusion forming die shell 15; and a mandril 13 is arranged at the outer side of the extrusion die head 12; the two push rods 13 are respectively arranged above the two open grooves 16;
the linkage type mold moving component 7 comprises an outer shell 71, and hook-head-shaped downward moving components 72 are arranged at two ends inside the outer shell 71; a spring 75 is arranged right below the two hook-head-shaped downward moving pieces 72; and the inner sides of the two hook-shaped downward moving pieces 72 are connected with an inward moving type sliding frame 74 in a sliding way; an intermediate jacking piece 76 is arranged between the two inward-moving sliding frames 74; a top plate 77 is arranged above the middle jacking piece 76; the top plate 77 is located below the first extrusion forming mold shell 14 and the second extrusion forming mold shell 15.
In this embodiment, a through slot 73 is formed on one side of the outer shell 71; the through groove 73 also penetrates through the hook-head-shaped downward moving piece 72, and the pushing rod 11 is arranged in the through groove 73; one end of the pushing rod 11 is connected with the displacement cylinder 9 through a connecting plate 10; the displacement cylinder 9 is fixed outside the outer housing 71.
More specifically, after the gear preforming, the displacement cylinder 9 drives the push rod 11 through the connecting plate 10 and moves to the inside, is convenient for promote the preforming gear to the below of second extrusion mould shell 15 from first extrusion mould shell 14, has saved the manual work and has got the loaded down with trivial details of putting the piece, very big improvement work efficiency.
In the embodiment, the upper ends of two sides of the linkage type mold moving component 7 are fixedly provided with side mounting frames 6 which are conveniently clamped with the shell 1 of the stamping equipment; and bottom supporting frames 8 are fixed on two sides of the bottom of the linkage type mold moving piece 7.
Particularly, the linkage type movable mould part 7 can be fixed through the side mounting frame 6 and the bottom support frame 8, and the linkage type movable mould part is simple in structure and convenient to disassemble and assemble.
In this embodiment, the two sides of the upper end of the inward-moving carriage 74 have two inclined surfaces, one inclined surface is attached to the hook-shaped downward-moving member 72, and the other inclined surface is attached to the top plate 77.
Specifically, the hook head-like down-shift piece 72 is pushed down by the jack 13, and the inward-shift carriage 74 is driven to move inward by the inclined surface of the side surface thereof.
In this embodiment, the outer housing 71 includes a mounting housing 711; the top of the installation shell 711 is provided with two formwork installation grooves 712 convenient for the first extrusion forming formwork 14 and the second extrusion forming formwork 15 to be embedded, and two longitudinal sliding grooves 713 convenient for the top plate 77 to slide are arranged below the first extrusion forming formwork 14 and the second extrusion forming formwork 15; an intermediate sliding groove 714 is arranged between the two longitudinal sliding grooves 713; a hook piece sliding groove 715 for facilitating the sliding of the hook piece-shaped downward moving piece 72 is arranged right below the open slot 16; the lower portion of the mounting housing 711 is transversely provided with a transverse sliding slot 716 for facilitating the movement of the inward-moving sliding rack 74.
Specifically, through the arrangement of various sliding grooves, smooth operation of various components is facilitated, during pre-stamping forming, firstly, a blank for manufacturing a gear is placed into a first extrusion forming formwork 14, then, a stamping cylinder 4 drives a sliding plate 5 to move downwards, an ejector rod 13 firstly penetrates through an open groove 16 and enters a hook piece sliding groove 715, a hook piece downward moving piece 72 is forced to move downwards against the elasticity of a spring 75 and drive an inward moving sliding frame 74 to move inwards, a top plate 77 is jacked upwards under the matching of the inward moving sliding frame 74 and an intermediate jacking piece 76 and is tightly jacked at the bottoms of the first extrusion forming formwork 14 and a second extrusion forming formwork 15, and meanwhile, an extrusion die head 12 performs stamping preforming on gear blank parts;
after preforming, the gear preforming piece falls on roof 77, treat that ejector pin 13 shifts up and break away from behind shell body 71, will hook form down move 72 jack-ups under spring 75's elasticity, the formula carriage 74 that moves inwards resets under the action of gravity of roof 77 and gear, displacement cylinder 9 drives propelling movement rod 11 through connecting plate 10 this moment and inwards promotes, with preforming below that the gear pushed to second extrusion form mould shell 15, the loaded down with trivial details of artifical piece of getting put has been saved, very big improvement work efficiency.
In this embodiment, four sliding blocks are disposed on two sides of the top plate 77, and the four sliding blocks are inserted into the longitudinal sliding slot 713 for sliding connection, and two ends of the top plate 77 are disposed with inclined surfaces matched with the inward sliding rack 74.
Specifically, the inward-moving sliding frame 74 can jack up the top plate 77, and the top plate 77 can move up and down through a linkage structure, so that cold machining of the gear and pushing of the gear are facilitated.
In this embodiment, the intermediate jacking member 76 includes two driving arms 761, one end of each of the two driving arms 761 is movably connected to the inner sides of the two inward-moving sliding frames 74 through a rotating shaft, and the other end of each of the two driving arms 761 is hinged to a connecting rod 762; a jacking plate 763 for jacking the top plate 77 is arranged above the connecting rod 762.
Specifically, when the two sliding racks 74 move inward, the two driving arms 761 arch upward and drive the top plate 763 via the connecting rod 762 to lift the top plate 77 upward, so that a bearing force can be applied to the top plate 77 during the gear punching.
In this embodiment, the inner side of the supporting plate 763 is integrally provided with a protruding sliding block, and is slidably connected in the middle sliding slot 714.
More specifically, the top plate 763 can be stably moved upward, and the top plate 77 can be smoothly lifted.
In this embodiment, when the top bar 13 completely passes through the open slot 16 and enters the hook member sliding groove 715, the top plate 77 abuts against the bottoms of the first and second extruded forms 14 and 15.
In particular, the cold extrusion of the gear can be realized while the top plate 77 abuts against the bottoms of the first extrusion forming die shell 14 and the second extrusion forming die shell 15 to provide bearing capacity for the gear.
In this embodiment, a C-shaped frame convenient for gear pushing is further disposed at one end of the pushing rod 11 away from the connecting plate 10.
Pass the preforming gear through C type frame, prevent that the gear from taking place to deflect and leading to preforming gear tooth and 15 tooth's socket of second extrusion mould shell not laminate and lead to the problem of inconsistent line and defect to appear in the gear after the shaping extrusion.
The working principle of the invention is as follows: when the gear is pre-stamped and formed, firstly, a blank for manufacturing the gear is placed into a first extrusion forming formwork 14, then the stamping cylinder 4 drives the sliding plate 5 to move downwards, the ejector rod 13 firstly passes through the open slot 16 and enters a hook head piece sliding slot 715, the hook head piece 72 is forced to overcome the elasticity of the spring 75 to move downwards, and the inner moving sliding frame 74 is driven to move inwards, when the two moving sliding frames 74 move inwards, the two driving arms 761 arch upwards, and the connecting rod 762 drives the top supporting plate 763 to support the top plate 77 upwards, the top plate 77 is tightly supported at the bottoms of the first extrusion forming formwork 14 and the second extrusion forming formwork 15, when the gear is stamped, a supporting force can be provided for the top plate 77, and meanwhile, the extrusion die head 12 performs stamping and pre-forming on the gear blank;
after preforming, the gear preforming piece falls on roof 77, after ejector pin 13 shifts up and breaks away from shell body 71, shift down the part 72 jack-up that will hook form under spring 75's elasticity, the formula carriage 74 that moves in resets under the action of gravity of roof 77 and gear, displacement cylinder 9 drives push rod 11 through connecting plate 10 and inwards promotes this moment, because push rod 11 keeps away from the one end of connecting plate 10 still to be equipped with the C type frame that is convenient for the gear to pass, pass preformed gear through C type frame, prevent that the gear from taking place the deflection and leading to preforming gear tooth and 15 tooth's socket not laminating and the problem that leads to the gear after the shaping extrusion to appear uncoordinated line and defect, push preformed gear to the below of second extrusion form 15, the loaded down with trivial details of artifical a work piece of getting is saved, very big work efficiency has been improved.
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 (7)
1. The utility model provides a be used for gear manufacturing cold extrusion forming device which characterized in that: the stamping device comprises a stamping device shell (1), wherein a linkage type die moving part (7) is arranged in the stamping device shell (1), and guide columns (2) are fixedly arranged at four corners of the top of the linkage type die moving part (7); top plates (3) are fixedly arranged at the tops of the four guide columns (2); a stamping cylinder (4) is fixedly arranged in the middle of the top plate (3); a cylinder rod of the stamping cylinder (4) penetrates below the top plate (3) and is connected with a sliding plate (5); through holes which can be sleeved on the guide posts (2) to slide are formed on the periphery of the sliding plate (5);
the top of the linkage type moving module (7) is provided with a first extrusion forming mould shell (14) and a second extrusion forming mould shell (15) for cold extrusion forming of the gear, and open grooves (16) are formed in the outer sides of the first extrusion forming mould shell (14) and the second extrusion forming mould shell (15);
the bottom of the sliding plate (5) is provided with two extrusion die heads (12) for cold extrusion of the gear, and the two extrusion die heads (12) are respectively positioned right above a first extrusion forming die shell (14) and a second extrusion forming die shell (15); and a mandril (13) is arranged at the outer side of the extrusion die head (12); the two ejector rods (13) are respectively arranged above the two open grooves (16);
the linkage type mold moving component (7) comprises an outer shell (71), and hook-head-shaped downward moving components (72) are arranged at two ends of the inner part of the outer shell (71); a spring (75) is arranged right below the two hook-head-shaped downward moving pieces (72); and an inward-moving sliding frame (74) is connected to the inner sides of the two hook-head-shaped downward-moving pieces (72) in a sliding manner; an intermediate jacking piece (76) is arranged between the two inward-moving sliding frames (74); a top plate (77) is arranged above the middle jacking piece (76); the top plate (77) is positioned below the first extrusion forming formwork (14) and the second extrusion forming formwork (15);
two inclined surfaces are arranged on two sides of the upper end of the inward moving type sliding frame (74), one inclined surface is attached and connected with the hook head-shaped downward moving piece (72), and the other inclined surface is attached and connected with the top plate (77);
the outer shell (71) comprises a mounting shell (711); the top of the installation shell (711) is provided with two formwork installation grooves (712) which are convenient for the first extrusion forming formwork (14) and the second extrusion forming formwork (15) to be embedded, and two longitudinal sliding grooves (713) which are convenient for the top plate (77) to slide are arranged below the first extrusion forming formwork (14) and the second extrusion forming formwork (15); an intermediate sliding groove (714) is arranged between the two longitudinal sliding grooves (713); a hook piece sliding groove (715) which is convenient for the hook piece-shaped downward moving piece (72) to slide is arranged right below the open slot (16); a transverse sliding groove (716) which is convenient for the inward sliding frame (74) to move is transversely formed in the lower position of the mounting shell (711);
and four sliding blocks are arranged on two sides of the top plate (77), are inserted into the longitudinal sliding grooves (713) and are connected in a sliding manner, and inclined surfaces matched with the inward-moving sliding frame (74) are arranged at two ends of the top plate (77).
2. The cold extrusion molding apparatus for gear manufacturing according to claim 1, wherein: a through groove (73) is formed in one side of the outer shell (71); the through groove (73) also penetrates through the hook-shaped downward moving piece (72), and a pushing rod (11) is arranged in the through groove (73); one end of the push rod (11) is connected with the displacement cylinder (9) through a connecting plate (10); the displacement cylinder (9) is fixed outside the outer shell (71).
3. The cold extrusion molding apparatus for gear manufacturing according to claim 1, wherein: the upper ends of the two sides of the linkage type die moving part (7) are fixedly provided with side mounting frames (6) which are conveniently clamped with the stamping equipment shell (1); two sides of the bottom of the linkage type mold moving component (7) are fixed with bottom supporting frames (8).
4. The cold extrusion molding apparatus for gear manufacturing according to claim 1, wherein: the middle jacking part (76) comprises two driving arms (761), one end of each of the two driving arms (761) is movably connected with the inner sides of the two inward-moving sliding frames (74) through a rotating shaft, and the other end of each of the two driving arms is hinged with a connecting rod (762); and a jacking plate (763) for jacking the top plate (77) is arranged above the connecting rod (762).
5. The cold extrusion molding apparatus for gear manufacturing according to claim 4, wherein: the inner side of the jacking plate (763) is integrally provided with a convex sliding block and is arranged in the middle sliding groove (714) to be in sliding connection.
6. The cold extrusion molding apparatus for gear manufacturing according to claim 1, wherein: when the ejector rod (13) completely passes through the open slot (16) and enters the hook head piece sliding groove (715), the top plate (77) is tightly propped against the bottoms of the first extrusion forming formwork (14) and the second extrusion forming formwork (15).
7. The cold extrusion molding apparatus for gear manufacturing according to claim 2, wherein: one end of the pushing rod (11) far away from the connecting plate (10) is further provided with a C-shaped frame convenient for gear pushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110895513.3A CN113399581B (en) | 2021-08-05 | 2021-08-05 | Cold extrusion molding device for gear manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110895513.3A CN113399581B (en) | 2021-08-05 | 2021-08-05 | Cold extrusion molding device for gear manufacturing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113399581A CN113399581A (en) | 2021-09-17 |
| CN113399581B true CN113399581B (en) | 2023-02-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110895513.3A Active CN113399581B (en) | 2021-08-05 | 2021-08-05 | Cold extrusion molding device for gear manufacturing |
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| CN (1) | CN113399581B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006248055A (en) * | 2005-03-10 | 2006-09-21 | Citizen Electronics Co Ltd | Two stage ejection mechanism of injection molding mold |
| CN209206275U (en) * | 2018-12-16 | 2019-08-06 | 泰州鼎鑫齿轮有限公司 | A kind of gear cold extrusion forming auxiliary device |
| CN110586743A (en) * | 2019-10-24 | 2019-12-20 | 六安正辉优产机电科技有限公司 | Automatic charging component for silicon steel sheet blanking operation |
| CN210498065U (en) * | 2019-09-25 | 2020-05-12 | 浙江东和康电器有限公司 | Pan production is with being convenient for get quick stamping device of piece |
| CN212792588U (en) * | 2020-07-23 | 2021-03-26 | 浙江工业职业技术学院 | Device for cold extrusion processing of gearbox gear of agricultural machine |
-
2021
- 2021-08-05 CN CN202110895513.3A patent/CN113399581B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006248055A (en) * | 2005-03-10 | 2006-09-21 | Citizen Electronics Co Ltd | Two stage ejection mechanism of injection molding mold |
| CN209206275U (en) * | 2018-12-16 | 2019-08-06 | 泰州鼎鑫齿轮有限公司 | A kind of gear cold extrusion forming auxiliary device |
| CN210498065U (en) * | 2019-09-25 | 2020-05-12 | 浙江东和康电器有限公司 | Pan production is with being convenient for get quick stamping device of piece |
| CN110586743A (en) * | 2019-10-24 | 2019-12-20 | 六安正辉优产机电科技有限公司 | Automatic charging component for silicon steel sheet blanking operation |
| CN212792588U (en) * | 2020-07-23 | 2021-03-26 | 浙江工业职业技术学院 | Device for cold extrusion processing of gearbox gear of agricultural machine |
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| CN113399581A (en) | 2021-09-17 |
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